{"id":32443,"date":"2021-12-31T12:26:21","date_gmt":"2021-12-31T12:26:21","guid":{"rendered":"https:\/\/3dwork.io\/btt-skr-mini-e3-v3\/"},"modified":"2026-04-18T07:36:39","modified_gmt":"2026-04-18T06:36:39","slug":"skr-mini-e3-v3","status":"publish","type":"post","link":"https:\/\/3dwork.io\/en\/skr-mini-e3-v3\/","title":{"rendered":"SKR MINI E3 V3: Analysis and complete guide of this new electronic board revision"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">If we already considered it the <strong><a href=\"https:\/\/3dwork.io\/en\/btt-skr-mini-e3-v20\/\">SKR MINI E3 V2<\/a><\/strong> electronics as one of the best board of its format, the new <strong>SKR MINI E3 V3<\/strong> does not only not disappoint us with the improvements introduced, but it gives it a twist by creating a board with a spectacular aesthetic that will make you want to leave the electronics in view.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this guide we cover the main improvements over the SKR Mini E3 V2, wiring diagrams, available expansions, and step-by-step configuration with Marlin and Klipper for Creality Ender 3 and Ender 5 printers.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"introduction\">Introduction<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">It should be remembered that all the electronic boards of the E3 range are specially designed for the use and\/or replacement of the electronics of Creality Ender 3 or Creality Ender 5 printers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Although they can be used without any problem in other printers according to the wiring and specific characteristics of each one.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you need more information or help do not hesitate to join the SKR Telegram group <a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/t.me\/SKR_board_32bits\" target=\"_blank\" class=\"external\"><strong>@SKR_board_32bits<\/strong><\/a>.\u200c We remind you that you have more help guides in our Telegram bot <strong><a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/t.me\/ThreeDWorkHelpBot\" target=\"_blank\" class=\"external\">@ThreeDWorkHelpBot<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Before continuing, we encourage you as always to join our <strong><a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/t.me\/The3DWorkChannel\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/t.me\/The3DWorkChannel\" class=\"external\">Telegram channel<\/a><\/strong> or to follow us on our social networks, where you will find more fanatic people by 3D printing like us.<\/p>\n\n\n\n\n\n<div style=\"height:65px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"where-to-buy-the-skr-mini-e3-v3\">Where to buy the SKR MINI E3 V3?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">You can buy the <strong><a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/s.click.aliexpress.com\/e\/_A5Wq0Y\" data-type=\"URL\" data-id=\"https:\/\/s.click.aliexpress.com\/e\/_A5Wq0Y\" target=\"_blank\" class=\"external\">SKR MINI E3 V3<\/a> <\/strong>in different marketplaces and internet shops. By the way, we leave you here some direct links.<\/p>\n\n\n\n\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"new-features-in-the-skr-mini-e3-v3\">New features in the SKR MINI E3 V3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In this new review of the <strong>SKR MINI E3<\/strong> range we can find a series of improvements with very interesting characteristics as well as at the visual level that will surely create a trend in future electronic boards.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For start, we leave you here an introductory video by <strong>Bigtreetech<\/strong> quite interesting:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Meet All-new Motherboard BIGTREETECH SKR MINI E3 V3 0\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/nGf5gPxSzY4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The most notable improvements include the following:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>New heatsink for drivers and electronics <\/strong>: Which is of a high quality and visually impressive, offering us an excellent finish of the board.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2FXtc4iZmpeufBut036lVP%2Fimage.png?alt=media&amp;token=59aaae20-5e95-4d22-9850-7e0d8362708d\" alt=\"- - -\" title=\"- -\"><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MCU and EEPROM<\/strong>: ARM Cortex-M0 + STM32G0B1RET6 from 32b to 64 Mhz and 512KB Flash improving previous revisions, in addition to including a 4KB 24C32 on-board EEPROM<\/li>\n\n\n\n<li><strong>Fans<\/strong>: Add a third manageable fan for optimal performance<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2Fwi2fPpHk33AcqPfcE6hP%2Fimage.png?alt=media&amp;token=516935a0-e623-4cf2-9be1-44ec44bdbe1d\" alt=\"- - -\" title=\"- -\"><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>3D Firmware <\/strong>: Bigtreetech from its Github added support for both Marlin and <strong>Klipper<\/strong><\/li>\n\n\n\n<li><strong>Extra protections : <\/strong>New and better protections in thermistors and fan connectors<\/li>\n\n\n\n<li><strong>Improved connection <\/strong>: Use of Micro USB instead of the old Mini USB<\/li>\n\n\n\n<li><strong>SPI bus <\/strong>: Option to use 3.3v for SPI output<\/li>\n<\/ul>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"schematics-diagrams\">Schematics \/ Diagrams<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">We attach the schematics and diagrams of the SKR MINI E3 V3:<\/p>\n\n\n\n<div class=\"wp-block-uagb-tabs uagb-block-8f6b3ec9 uagb-tabs__wrap uagb-tabs__hstyle1-desktop uagb-tabs__vstyle6-tablet uagb-tabs__vstyle6-mobile\" data-tab-active=\"0\"><ul class=\"uagb-tabs__panel uagb-tabs__align-left\" role=\"tablist\"><li class=\"uagb-tab uagb-tabs__active\" role=\"none\"><a href=\"#uagb-tabs__tab0\" class=\"uagb-tabs-list uagb-tabs__icon-position-left\" data-tab=\"0\" role=\"tab\">Electronic board<\/a><\/li><li class=\"uagb-tab \" role=\"none\"><a href=\"#uagb-tabs__tab1\" class=\"uagb-tabs-list uagb-tabs__icon-position-left\" data-tab=\"1\" role=\"tab\">Pinouts<\/a><\/li><li class=\"uagb-tab \" role=\"none\"><a href=\"#uagb-tabs__tab2\" class=\"uagb-tabs-list uagb-tabs__icon-position-left\" data-tab=\"2\" role=\"tab\">Size<\/a><\/li><\/ul><div class=\"uagb-tabs__body-wrap\">\n<div class=\"wp-block-uagb-tabs-child uagb-tabs__body-container uagb-inner-tab-0 uagb-tabs__inner-tab\" aria-labelledby=\"uagb-tabs__tab0\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2FMvRlqL6BKKv9eHksq7Yf%2Fimage.png?alt=media&amp;token=71df3c45-3654-4cad-91cc-2a5fbc684688\" alt=\"- - -\" title=\"- -\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-tabs-child uagb-tabs__body-container uagb-inner-tab-1 uagb-tabs__inner-tab\" aria-labelledby=\"uagb-tabs__tab1\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2FNCoXj20CWpTOOxE0jZ7E%2Fimage.png?alt=media&amp;token=3dad2702-1dd1-4128-aaee-de7a0b76a248\" alt=\"- - -\" title=\"- -\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-tabs-child uagb-tabs__body-container uagb-inner-tab-2 uagb-tabs__inner-tab\" aria-labelledby=\"uagb-tabs__tab2\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2FssMw8o9TfiDuQzVpON0u%2Fimage.png?alt=media&amp;token=63d51046-754f-4724-864c-c24d84075c4a\" alt=\"- - -\" title=\"- -\"><\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"expansion-improvements\">Expansion \/ Improvements<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>SKR MINI E3 V3<\/strong>, like the rest of the MINI E3 range electronic boards from Bigtreetech, has multiple dedicated connectors to improve and expand its functionalities by improving our printer with leveling sensors, filament, relay modules, UPS modules, Neopixel or RGB led strips, etc.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2FdV0zLmUscaafcnA2nm7w%2Fimage.png?alt=media&amp;token=9a78d92b-212f-4218-9dd5-72f3d28bf3e1\" alt=\"- - -\" title=\"- -\"><\/figure>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Here are details of some of them:<\/p>\n\n\n\n<div class=\"wp-block-uagb-tabs uagb-block-29fc5ccd uagb-tabs__wrap uagb-tabs__hstyle1-desktop uagb-tabs__vstyle6-tablet uagb-tabs__vstyle6-mobile\" data-tab-active=\"0\"><ul class=\"uagb-tabs__panel uagb-tabs__align-left\" role=\"tablist\"><li class=\"uagb-tab uagb-tabs__active\" role=\"none\"><a href=\"#uagb-tabs__tab0\" class=\"uagb-tabs-list uagb-tabs__icon-position-left\" data-tab=\"0\" role=\"tab\">BLTouch \/ 3DTouch<\/a><\/li><li class=\"uagb-tab \" role=\"none\"><a href=\"#uagb-tabs__tab1\" class=\"uagb-tabs-list uagb-tabs__icon-position-left\" data-tab=\"1\" role=\"tab\">Relay<\/a><\/li><li class=\"uagb-tab \" role=\"none\"><a href=\"#uagb-tabs__tab2\" class=\"uagb-tabs-list uagb-tabs__icon-position-left\" data-tab=\"2\" role=\"tab\">UPS<\/a><\/li><li class=\"uagb-tab \" role=\"none\"><a href=\"#uagb-tabs__tab3\" class=\"uagb-tabs-list uagb-tabs__icon-position-left\" data-tab=\"3\" role=\"tab\">Neopixel<\/a><\/li><li class=\"uagb-tab \" role=\"none\"><a href=\"#uagb-tabs__tab4\" class=\"uagb-tabs-list uagb-tabs__icon-position-left\" data-tab=\"4\" role=\"tab\">DCDC 5V<\/a><\/li><\/ul><div class=\"uagb-tabs__body-wrap\">\n<div class=\"wp-block-uagb-tabs-child uagb-tabs__body-container uagb-inner-tab-0 uagb-tabs__inner-tab\" aria-labelledby=\"uagb-tabs__tab0\">\n<p class=\"wp-block-paragraph\">A great improvement for our printers that can make it easier for us to have the first layer as perfect as possible is the installation of a leveling sensor such as the <strong><a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/s.click.aliexpress.com\/e\/_A5xFbS\" data-type=\"URL\" data-id=\"https:\/\/s.click.aliexpress.com\/e\/_A5xFbS\" target=\"_blank\" class=\"external\">BLTouch<\/a><\/strong> for is one of the most versatile.<\/p>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">You have detailed information in our <a href=\"https:\/\/3dwork.io\/en\/configure-bltouch-in-marlin\/\" data-type=\"URL\" data-id=\"https:\/\/3dwork.io\/en\/configure-bltouch-in-marlin\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Bltouch guide<\/strong><\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2F3Lmr8vfpbwT2A8DPyGGj%2Fimage.png?alt=media&amp;token=879370af-ff8f-4032-b0d4-9836f29709c4\" alt=\"- - -\" title=\"- -\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-tabs-child uagb-tabs__body-container uagb-inner-tab-1 uagb-tabs__inner-tab\" aria-labelledby=\"uagb-tabs__tab1\">\n<p class=\"wp-block-paragraph\">It gives us a control of the on or off of our machine in a controlled way, such as turning it off once the printing is finished.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2FmJexN2y8Cg902Ls4CUVj%2Fimage.png?alt=media&amp;token=43381efe-283b-423d-afa9-ba145c77674d\" alt=\"- - -\" title=\"- -\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-tabs-child uagb-tabs__body-container uagb-inner-tab-2 uagb-tabs__inner-tab\" aria-labelledby=\"uagb-tabs__tab2\">\n<p class=\"wp-block-paragraph\">Like the relay module, the UPS allows us to perform a <strong>correct emergency shutdown<\/strong> especially if we use PLR (Power Loss Recovery) \/ print restoration in the event of any power failure.<\/p>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">You can find more detailed information in the following <a rel=\"noreferrer noopener\" href=\"https:\/\/labs.3dwork.io\/guias-impresion-3d\/mejoras-upgrades\/otras-mejoras\/modulo_ups\" target=\"_blank\"><strong>guide<\/strong><\/a>.<\/p>\n\n\n\n<div style=\"height:29px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2FuyVm0KKlJL2Txubm2Dlm%2Fimage.png?alt=media&amp;token=a890f14c-5684-4ed4-9d2f-b4c47f61fe59\" alt=\"- - -\" title=\"- -\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-tabs-child uagb-tabs__body-container uagb-inner-tab-3 uagb-tabs__inner-tab\" aria-labelledby=\"uagb-tabs__tab3\">\n<p class=\"wp-block-paragraph\">Although it is not a direct improvement in the use of the printer, the inclusion of a controllable led strip is very useful either as lighting of the printing area as well as event management.<\/p>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">We encourage you to review the <a href=\"https:\/\/labs.3dwork.io\/guias-impresion-3d\/mejoras-upgrades\/ leds-neopixel\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Neopixel guide<\/strong><\/a> where you will find more detailed information.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2FuKrxq0HkBEOHlcUCK5Ch%2Fimage.png?alt=media&amp;token=26a965a2-7beb-437f-a61b-7d093a0963ed\" alt=\"- - -\" title=\"- -\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-tabs-child uagb-tabs__body-container uagb-inner-tab-4 uagb-tabs__inner-tab\" aria-labelledby=\"uagb-tabs__tab4\">\n<p class=\"wp-block-paragraph\">In the case that we use many external components using the board&#8217;s 5V bus, and especially in the case of using LED strips, it is advisable to install the <strong><a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/www.aliexpress.com\/w\/wholesale-bigtreetech.html\" data-type=\"URL\" target=\"_blank\" class=\"external\">Bigtreetech DCDC 5V<\/a><\/strong>.<\/p>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">For its use \/ configuration we have a jumper:<\/p>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2FEZTHUhTOR2V5SJx0xMfC%2Fimage.png?alt=media&amp;token=5211bd08-9a1a-46c9-9833-73615536d5e7\" alt=\"- - -\" title=\"- -\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">In the case that we do not have it and we use the 5V of the plate:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2FyFOwvd8jU3cV8YYGNb1O%2Fimage.png?alt=media&amp;token=2266fb57-3a06-4a36-b954-f56496a346ac\" alt=\"- - -\" title=\"- -\"><\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"firmware\">Firmware<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Like almost all <strong>Bigtreetech<\/strong> boards, these pay special attention to maximum compatibility and support with the most popular firmwares.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">And although the SKR MINI E3 V3 electronics is focused mainly as <strong>replacement of original plates of the Creality Ender 3 or Creality Ender 5<\/strong>, this time <strong>Bigtreetech<\/strong> very correctly has added <strong>direct support for Klipper<\/strong> to its Github repository, great news for sure.<\/p>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"marlin\">Marlin<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">We advise you to follow our <strong><a href=\"https:\/\/labs.3dwork.io\/guias-impresion-3d\/mejoras-upgrades\/marlin-guia-compilacion\" target=\"_blank\" rel=\"noreferrer noopener\">guide to &#8220;cook&#8221; your own Marlin<\/a> <\/strong>that we have in the \/ Marlin section of our Telegram help bot <a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/t.me\/ThreeDWorkHelpBot\" target=\"_blank\" class=\"external\"><strong>@ThreeDWorkHelpBot<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You can find the sources of the official firmware <strong><a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/github.com\/bigtreetech\/BIGTREETECH-SKR-mini-E3\/tree\/master\/firmware\/V3.0\/Marlin\" target=\"_blank\" class=\"external\">here<\/a><\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As we have already mentioned, this electronic board is by default designed to be used in an Ender 3 or 5 and <strong>Bigtreetech<\/strong> provides us with the Marlin firmware for these machines already pre-compiled.<\/p>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"ender-3-firmware-marlin-pre-compiled\">Ender-3 Marlin firmware pre-compiled<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/github.com\/bigtreetech\/BIGTREETECH-SKR-mini-E3\/blob\/master\/firmware\/V3.0\/Marlin\/firmware-ender3.bin\" target=\"_blank\" class=\"external\"><strong>firmware-ender3.bin<\/strong><\/a>: The original firmware for Ender-3, does not have support for BLTouch<\/li>\n\n\n\n<li><a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/github.com\/bigtreetech\/BIGTREETECH-SKR-mini-E3\/blob\/master\/firmware\/V3.0\/Marlin\/firmware-ender3-bltouch.bin\" target=\"_blank\" class=\"external\"><strong>firmware-ender3-bltouch.bin<\/strong><\/a>: Same as above but in this case with BLTouch support<\/li>\n\n\n\n<li><a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/github.com\/bigtreetech\/BIGTREETECH-SKR-mini-E3\/blob\/master\/firmware\/V3.0\/Marlin\/firmware-ender3-bltouch-for-z-homing.bin\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/github.com\/bigtreetech\/BIGTREETECH-SKR-mini-E3\/blob\/master\/firmware\/V3.0\/Marlin\/firmware-ender3-bltouch-for-z-homing.bin\" class=\"external\"><strong>firmware-ender3-bltouch-for-z-homing.bin<\/strong><\/a>: Same as the previous one but in this case configured so that the homing of the Z axis is performed with the <strong><a href=\"https:\/\/s.click.aliexpress.com\/e\/_A5xFbS\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" class=\"external\">BLTouch<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"ender-5-firmware-marlin-pre-compiled\">Ender-5 Marlin firmware pre-compiled<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/github.com\/bigtreetech\/BIGTREETECH-SKR-mini-E3\/blob\/master\/firmware\/V3.0\/Marlin\/firmware-ender5.bin\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external\"><strong>firmware-ender5.bin<\/strong><\/a>: The original firmware for Ender-5, does not have support for BLTouch<\/li>\n\n\n\n<li><a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/github.com\/bigtreetech\/BIGTREETECH-SKR-mini-E3\/blob\/master\/firmware\/V3.0\/Marlin\/firmware-ender5-bltouch.bin\" target=\"_blank\" class=\"external\"><strong>firmware-ender5-bltouch.bin<\/strong><\/a>: Same as above but in this case with BLTouch support<\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/bigtreetech\/BIGTREETECH-SKR-mini-E3\/blob\/master\/firmware\/V3.0\/Marlin\/firmware-ender5-bltouch-for-z-homing.bin\" data-type=\"URL\" data-id=\"https:\/\/github.com\/bigtreetech\/BIGTREETECH-SKR-mini-E3\/blob\/master\/firmware\/V3.0\/Marlin\/firmware-ender5-bltouch-for-z-homing.bin\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" class=\"external\"><strong>firmware-ender5-bltouch-for-z-homing.bin<\/strong><\/a>: Same as the previous one but in this case configured so that the homing of the Z axis is performed with the <strong><a href=\"https:\/\/s.click.aliexpress.com\/e\/_A5xFbS\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" class=\"external\">BLTouch<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-uagb-info-box uagb-infobox__outer-wrap uagb-block-23ace537\"><div class=\"uagb-infobox__content-wrap uagb-infobox uagb-infobox-has-icon uagb-infobox-icon-left uagb-infobox-left uagb-infobox-stacked-tablet uagb-infobox-image-valign-top uagb-infobox-enable-border-radius \"><div class=\"uagb-ifb-left-right-wrap\"><div class=\"uagb-ifb-image-icon-content uagb-ifb-imgicon-wrap\"><div class=\"uagb-ifb-icon-wrap\"><span class=\"uagb-ifb-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M256 8C119.043 8 8 119.083 8 256c0 136.997 111.043 248 248 248s248-111.003 248-248C504 119.083 392.957 8 256 8zm0 110c23.196 0 42 18.804 42 42s-18.804 42-42 42-42-18.804-42-42 18.804-42 42-42zm56 254c0 6.627-5.373 12-12 12h-88c-6.627 0-12-5.373-12-12v-24c0-6.627 5.373-12 12-12h12v-64h-12c-6.627 0-12-5.373-12-12v-24c0-6.627 5.373-12 12-12h64c6.627 0 12 5.373 12 12v100h12c6.627 0 12 5.373 12 12v24z\"><\/path><\/svg><\/span><\/div><\/div><div class=\"uagb-ifb-content\"><div class=\"uagb-ifb-title-wrap\"><\/div><div class=\"uagb-ifb-separator-parent\"><div class=\"uagb-ifb-separator\"><\/div><\/div><div class=\"uagb-ifb-text-wrap\"><p class=\"uagb-ifb-desc\">The names of the firmware after download must be renamed to <strong>firmware.bin<\/strong> if it does not already have that name before being copied to the SD for updating.<\/p><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">If you want to use it for a different machine, we advise you to go through the <strong><a href=\"https:\/\/labs.3dwork.io\/guias-impresion-3d\/mejoras- upgrades \/ marlin-compilation-guide \">guide to&#8221; cook &#8220;your own Marlin<\/a> <\/strong>, either using as a base the preconfigured ones of your printer or perhaps better using the preconfigured ones for an Ender 3 5 with this plate and adapting the characteristics of our machine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Anyway, below we will do a specific review for these cases.<\/p>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"marlin-setup-for-skr-mini-e3-v3\">Marlin setup for SKR MINI E3 V3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Basically we will have to adjust the 3 Marlin files that are usually used for this purpose. So below we will advise you the values to adjust:<\/p>\n\n\n\n<div class=\"wp-block-uagb-info-box uagb-infobox__outer-wrap uagb-block-b5eb3f48\"><div class=\"uagb-infobox__content-wrap uagb-infobox uagb-infobox-has-icon uagb-infobox-icon-left uagb-infobox-left uagb-infobox-stacked-tablet uagb-infobox-image-valign-top uagb-infobox-enable-border-radius \"><div class=\"uagb-ifb-left-right-wrap\"><div class=\"uagb-ifb-image-icon-content uagb-ifb-imgicon-wrap\"><div class=\"uagb-ifb-icon-wrap\"><span class=\"uagb-ifb-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M256 8C119.043 8 8 119.083 8 256c0 136.997 111.043 248 248 248s248-111.003 248-248C504 119.083 392.957 8 256 8zm0 110c23.196 0 42 18.804 42 42s-18.804 42-42 42-42-18.804-42-42 18.804-42 42-42zm56 254c0 6.627-5.373 12-12 12h-88c-6.627 0-12-5.373-12-12v-24c0-6.627 5.373-12 12-12h12v-64h-12c-6.627 0-12-5.373-12-12v-24c0-6.627 5.373-12 12-12h64c6.627 0 12 5.373 12 12v100h12c6.627 0 12 5.373 12 12v24z\"\/><\/svg><\/span><\/div><\/div><div class=\"uagb-ifb-separator-parent\"><div class=\"uagb-ifb-separator\"><\/div><\/div><div class=\"uagb-ifb-text-wrap\"><p class=\"uagb-ifb-desc\"><strong>This board requires Marlin official 2.0.9.3 or higher.<\/strong> Earlier versions do not include the required STM32G0B1 profile. Make sure you are using at least this version before compiling.<\/p><\/div><\/div><\/div><\/div>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"platformio-ini\">Platformio.ini<\/h5>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2FfiS6ze1tDQtRLSsVTQ08%2Fimage.png?alt=media&amp;token=db448bbc-a539-4178-bb91-9449e023900e\" alt=\"- - -\" title=\"- -\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">In this file we must indicate the chipset that our board has, so we must look at the beginning of the file for the value &#8220;env_default&#8221; and change it to the following:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\ndefault_envs = STM32G0B1RE_btt\n<\/pre><\/div>\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"marlin-configuration-h\">\/Marlin\/configuration.h<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">Add a comment to any line that we modify since later it will be much easier for us to find our modifications. For this we can add:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\nIn the case that you do not already have a comment, the line\n... \/\/ 3DWORK\nIn case you already have a comment\n... \/\/ 3DWORK ...\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">We will start by correctly configuring the SERIAL and BAUDRATE for this machine, something key for the correct operation of our TFT, USB or WIFI connection.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define SERIAL_PORT 2 \/\/ 3DWORK E3v3\n...\n#define BAUDRATE 115200 \/\/ 3DWORK E3v3\n...\n#define SERIAL_PORT_2 -1 \/\/ 3DWORK E3v3\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Now we will define our MOTHERBOARD which, like we did the <strong>platformio.ini<\/strong>, indicates the type of chipset that our board carries and that allows Marlin to use one pin configuration or another.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#ifndef MOTHERBOARD\n  #define MOTHERBOARD BOARD_BTT_SKR_MINI_E3_V3_0 \/\/ 3DWORK E3v3\n#endif\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">We will define the number of extruders and the diameter of the filament that our printer uses, which basically indicates its diameter. Normally printers use 1.75mm filament although another more or less standard measure is 3mm.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n\/\/ This defines the number of extruders\n\/\/ :&#x5B;0, 1, 2, 3, 4, 5, 6, 7, 8]\n#define EXTRUDERS 1\n\n\/\/ Generally expected filament diameter (1.75, 2.85, 3.0, ...). Used for Volumetric, Filament Width Sensor, etc.\n#define DEFAULT_NOMINAL_FILAMENT_DIA 1.75\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Thermistors<\/strong>, in these variables we will indicate which thermistors we have. We advise you to identify which one is yours or, failing that, use one of value 1 which is usually the most normal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It is very important to indicate the correct type of thermistor so that the measurements that Marlin receives are correct to avoid extrusion problems and\/or reading errors.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the event that we want to deactivate or activate the heated bed, we will comment or activate the thermistor of the bed. In this way we indicate to Marlin whether or not he has a hot bed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In our example and for this board we will use a hotend and a heated bed with a standard temperature sensor.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define TEMP_SENSOR_0 1 \/\/ 3DWORK E3v3 TE0\n#define TEMP_SENSOR_1 0 \n#define TEMP_SENSOR_2 0 \n#define TEMP_SENSOR_3 0\n#define TEMP_SENSOR_4 0\n#define TEMP_SENSOR_5 0\n#define TEMP_SENSOR_6 0\n#define TEMP_SENSOR_7 0\n#define TEMP_SENSOR_BED 1 \/\/ 3DWORK E3v3 TB\n#define TEMP_SENSOR_PROBE 0 \n#define TEMP_SENSOR_CHAMBER 0\n#define TEMP_SENSOR_COOLER 0\n#define TEMP_SENSOR_BOARD 0\n#define TEMP_SENSOR_REDUNDANT 0\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>PID<\/strong>, another very important part is the PID of which you can obtain more detailed information in the <strong>\/Calibration\/Calibration<\/strong> Initial section of our help bot in Telegram <a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/t.me\/ThreeDWorkHelpBot\" target=\"_blank\" class=\"external\"><strong>@ThreeDWorkHelpBot<\/strong><\/a> or <strong><a rel=\"noreferrer noopener\" href=\"https:\/\/labs.3dwork.io\/guias-impresion-3d\/calibracion_3d#4.-ajuste-pid\" target=\"_blank\">in our calibration guide<\/a><\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Basically the PID helps Marlin to adequately control the temperature without having large fluctuations.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define PIDTEMP \/\/ 3DWORK PID\n#define PIDTEMPBED \/\/ 3DWORK PID\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>ENDSTOPS or limit switches<\/strong>, it is important to verify when we change the electronics and turn on for the first time that the logic of the limit switches is correct using the command <strong>M119 from a terminal like Pronterface.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is <strong>OPEN<\/strong> in normal state and <strong>TRIGGERED<\/strong> when they are pressed. We can reverse this logic by changing:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define X_MIN_ENDSTOP_INVERTING false \/\/ Set to true to invert the logic of the endstop.\n#define Y_MIN_ENDSTOP_INVERTING false \/\/ Set to true to invert the logic of the endstop.\n#define Z_MIN_ENDSTOP_INVERTING false \/\/ Set to true to invert the logic of the endstop.\n#define X_MAX_ENDSTOP_INVERTING false \/\/ Set to true to invert the logic of the endstop.\n#define Y_MAX_ENDSTOP_INVERTING false \/\/ Set to true to invert the logic of the endstop.\n#define Z_MAX_ENDSTOP_INVERTING false \/\/ Set to true to invert the logic of the endstop.\n#define Z_MIN_PROBE_ENDSTOP_INVERTING false \/\/ Set to true to invert the logic of the probe.\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">On the other hand and although the normal thing is that the machines make the home in MIN (lower left corner) instead of MAX (upper right corner), using HOME_DIR for this change -1 (MIN) 1 (MAX), we must remember that in In the case of changing the logic, enable the corresponding limit switches:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define USE_XMIN_PLUG\n#define USE_YMIN_PLUG\n#define USE_ZMIN_PLUG\n\/\/#define USE_XMAX_PLUG\n\/\/#define USE_YMAX_PLUG\n\/\/#define USE_ZMAX_PLUG\n<\/pre><\/div>\n\n\n<div class=\"wp-block-uagb-info-box uagb-infobox__outer-wrap uagb-block-cf63fc08\"><div class=\"uagb-infobox__content-wrap uagb-infobox uagb-infobox-has-icon uagb-infobox-icon-left uagb-infobox-left uagb-infobox-stacked-tablet uagb-infobox-image-valign-top uagb-infobox-enable-border-radius \"><div class=\"uagb-ifb-left-right-wrap\"><div class=\"uagb-ifb-image-icon-content uagb-ifb-imgicon-wrap\"><div class=\"uagb-ifb-icon-wrap\"><span class=\"uagb-ifb-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M256 8C119.043 8 8 119.083 8 256c0 136.997 111.043 248 248 248s248-111.003 248-248C504 119.083 392.957 8 256 8zm0 110c23.196 0 42 18.804 42 42s-18.804 42-42 42-42-18.804-42-42 18.804-42 42-42zm56 254c0 6.627-5.373 12-12 12h-88c-6.627 0-12-5.373-12-12v-24c0-6.627 5.373-12 12-12h12v-64h-12c-6.627 0-12-5.373-12-12v-24c0-6.627 5.373-12 12-12h64c6.627 0 12 5.373 12 12v100h12c6.627 0 12 5.373 12 12v24z\"><\/path><\/svg><\/span><\/div><\/div><div class=\"uagb-ifb-content\"><div class=\"uagb-ifb-title-wrap\"><\/div><div class=\"uagb-ifb-separator-parent\"><div class=\"uagb-ifb-separator\"><\/div><\/div><div class=\"uagb-ifb-text-wrap\"><p class=\"uagb-ifb-desc\"><strong>Remember that this board has TMC2209 in UART mode and SensorLess can be used. <br>The use of SensorLess will make it possible to dispense with physical limit switches, freeing up components and cables.<br>To enable sensorless feature, we suggest only for X and Y axis, you need to add a jumper to related DIAG pins.<\/strong><br><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2FGYLc1g5uuqzDI3jPd76y%2Fimage.png?alt=media&amp;token=b43d8ac1-27f0-491d-aee6-e2760ca8f820\" alt=\"- - -\" title=\"- -\"><br><\/p><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Drivers<\/strong>, as we have already mentioned, this board has 4 TMC2209 UART drivers:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define X_DRIVER_TYPE  TMC2209 \/\/ 3DWORK DRIVERS\n#define Y_DRIVER_TYPE  TMC2209 \/\/ 3DWORK DRIVERS\n#define Z_DRIVER_TYPE  TMC2209 \/\/ 3DWORK DRIVERS\n\/\/#define X2_DRIVER_TYPE A4988\n\/\/#define Y2_DRIVER_TYPE A4988\n\/\/#define Z2_DRIVER_TYPE A4988\n\/\/#define Z3_DRIVER_TYPE A4988\n\/\/#define Z4_DRIVER_TYPE A4988\n\/\/#define I_DRIVER_TYPE  A4988\n\/\/#define J_DRIVER_TYPE  A4988\n\/\/#define K_DRIVER_TYPE  A4988\n#define E0_DRIVER_TYPE TMC2209 \/\/ 3DWORK DRIVERS\n\/\/#define E1_DRIVER_TYPE A4988\n\/\/#define E2_DRIVER_TYPE A4988\n\/\/#define E3_DRIVER_TYPE A4988\n\/\/#define E4_DRIVER_TYPE A4988\n\/\/#define E5_DRIVER_TYPE A4988\n\/\/#define E6_DRIVER_TYPE A4988\n\/\/#define E7_DRIVER_TYPE A4988\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>STEPS or motor steps<\/strong>, with these values we will indicate to Marlin the motor steps to perform movements. In this example we will use the ones that an Ender printer carries by default.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define DEFAULT_AXIS_STEPS_PER_UNIT { 80.00, 80.00, 400.00, 93 } \/\/ 3DWORK Steps for Ender3 axis (X, Y, Z, Extruder)\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>S_CURVE_ACCELERATION<\/strong>, this functionality offers a great improvement in print quality by smoothing acceleration or deceleration when the print head is in motion.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define S_CURVE_ACCELERATION \/\/ 3DWORK IMPROVEMENTS\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>PROBE<\/strong> or leveling sensor, we have already commented there is a <strong><a href=\"https:\/\/3dwork.io\/en\/configure-bltouch-in-marlin\/\" data-type=\"URL\" data-id=\"https:\/\/3dwork.io\/en\/configure-bltouch-in-marlin\/\" target=\"_blank\" rel=\"noreferrer noopener\">detailed guide on how to install a BLTouch sensor<\/a><\/strong>. We are going to carry out a review of the most important parts to take into account in the event that we want to install a leveling sensor, something highly advisable to ensure that our prints always have the most perfect first layer possible.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We will start by indicating where our leveling sensor is connected, in this case we will connect it to the dedicated PROBE connector.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define USE_PROBE_FOR_Z_HOMING \/\/ 3DWORK PROBE we indicate to Marlin that our sensor is connected in PROBE\n#define USE_PROBE_FOR_Z_HOMING \/\/ 3DWORK PROBE we tell Marlin that we will use the sensor for the homing of the Z axis\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Sensor type BLTouch or Inductive<\/strong>, there are different types of sensors. Depending on the one used, we will have to uncomment one or the other.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\nIn the case of an Inductive sensor:\n#define FIX_MOUNTED_PROBE \/\/ 3DWORK PROBE\nIn the case of a BLTouch type sensor:\n#define BLTOUCH \/\/ 3DWORK PROBE\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Sensor offsets<\/strong>, it is very important to tell Marlin where exactly our leveling sensor is installed. We will do this by defining the PROBE OFFSETs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Offset is the distance between the tip of the nozzle and the tip of the leveling sensor, which depending on where it is must be positive or negative values, you can use the following graph as an example of what value to put in each case.<br><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2FS7dNQoZxvW8UDxbcJHzK%2Fimage.png?alt=media&amp;token=faf07d2e-4039-4799-86e2-6013e47b926b\" alt=\"- - -\" title=\"- -\"><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">In our case and as an example, our sensor is displaced to the left of the nozzle in X 40mm and 10mm in Y since it is that distance towards the bottom of the printer that are the values of the Creality kit for these machines.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define NOZZLE_TO_PROBE_OFFSET { -40, -10, -1.85 } \/\/ 3DWORK PROBE\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>PROBING_MARGIN<\/strong> (in previous versions <strong>MIN_PROBE_EDGE <\/strong>), it is very normal that we have a glass as a printing base in our printers although personally we like more <strong><a href=\"https:\/\/s.click.aliexpress.com\/e\/_ANZSbW\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" class=\"external\">magnetic PEI sheets<\/a><\/strong> that although being a little more susceptible to being marked with blows have excellent adhesion, it does not limit the size of the bed and removing the pieces is extremely simple and fast.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In any case, we already have glass or another surface, it is advisable that the sensor is away from any object that may bother it during the leveling process, be it staples to fix the glass or the mismatch of the beginning and end of the bed that makes the sensor cannot measure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For this we will use this <strong>PROBING_MARGIN<\/strong> in which we will tell you how many millimeters to move away from the edges of the bed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In our case using a <strong><a href=\"https:\/\/3dwork.io\/en\/configure-bltouch-in-marlin\/\" data-type=\"URL\" data-id=\"https:\/\/3dwork.io\/en\/configure-bltouch-in-marlin\/\" target=\"_blank\" rel=\"noreferrer noopener\">BLTouch<\/a><\/strong> and a<strong> <a href=\"https:\/\/s.click.aliexpress.com\/e\/_ANZSbW\" data-type=\"URL\" data-id=\"https:\/\/s.click.aliexpress.com\/e\/_ANZSbW\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" class=\"external\">PEI platform<\/a><\/strong> we leave it by default.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define PROBING_MARGIN 10 \/\/ 3DWORK PROBE\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Direction of motors<\/strong>, another very common problem when starting a printer is that the wiring of the coils of our motors does not coincide and there can be two cases:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>That the connectors of our coils are <strong>mixed<\/strong>, it is very easy to identify since the motor will not rotate correctly and will stumble. To solve this, it is advisable to check the pinout of the old plate and \/ or the motor and compare it with that of our new plate to make sure that they match<\/li>\n\n\n\n<li>That the <strong>motor rotates in the wrong direction<\/strong>. In this case again we have two options. First one and recommended is to modify the motor rotation in Marlin and the second is to reverse the wiring of one of the motor coils<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">In our case we opt for the first one by modifying the following lines in Marlin changing the current value on the contrary &#8230; in this case we invert the Z axis.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define INVERT_X_DIR true\n#define INVERT_Y_DIR true\n#define INVERT_Z_DIR false \/\/ 3DWORK We reverse the rotation of the Z axis\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Print size<\/strong>, if we have used a generic Marlin it is important to verify that the print dimensions are correct for our machine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For the bed size in the example we use an Ender 3 at its maximum size, it is advisable to verify that you can physically reach these measurements and adjust it if necessary:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define X_BED_SIZE 235 \/\/ 3DWORK BED\n#define Y_BED_SIZE 235 \/\/ 3DWORK BED\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">We will also define the size of our Z axis:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define Z_MAX_POS 250 \/\/ 3DWORK BED\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Filament sensor<\/strong>, we advise you to review in the section <strong>\/Improvements\/Filament sensor<\/strong> of our help bot in Telegram @ThreeDWorkHelpBot.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define FILAMENT_RUNOUT_SENSOR \/\/ 3DWORK FILAMENT SENSOR\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">As with the limit switches, it is advisable to check the status of the filament sensor with an M119, which should appear TRIGGERED with filament and OPEN without. In the case that it seems inverted we will have to play with the value of (LOW\/HIGH):<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define FIL_RUNOUT_STATE LOW \/\/ 3DWORK FILAMENT SENSOR\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">In the case that our filament sensor works by detection of filament flow (like the <strong><a href=\"https:\/\/www.aliexpress.com\/w\/wholesale-bigtreetech-smart-filament-sensor.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" class=\"external\">BigTreeTech Smart Filament Sensor<\/a><\/strong>) we must enable the following:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define FILAMENT_MOTION_SENSOR \/\/ 3DWORK FILAMENT SENSOR\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Self-leveling<\/strong>, as we mentioned earlier in the <strong>\/Leveling<\/strong> section of our bot <strong><a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/t.me\/ThreeDWorkHelpBot\" target=\"_blank\" class=\"external\">@ThreeDWorkHelpBot<\/a><\/strong> you have more detailed information on how to activate <a rel=\"noreferrer noopener\" href=\"https:\/\/labs.3dwork.io\/guias-impresion-3d\/ improvements-upgrades \/ levelacion \/ levelado-ubl-unified-bed-leveling\" target=\"_blank\"><strong>UBL self-leveling<\/strong><\/a> (the most advanced and recommended for beds of a certain size or with problems) and <a rel=\"noreferrer noopener\" href=\"https:\/\/labs.3dwork.io\/guias-impresion-3d\/mejoras-upgrades\/nivelacion\/nivelado-manual-mesh\" target=\"_blank\"><strong>MESH<\/strong><\/a>, that allows you to have a mesh without a sensor by doing the process manually.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In any case, for this example we will enable BILINEAR.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define AUTO_BED_LEVELING_BILINEAR \/\/ 3DWORK PROBE \n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">It is important to tell Marlin to enable self-leveling (G29) after a homing (G28) although in current versions it is no longer necessary but we advise enabling it.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define RESTORE_LEVELING_AFTER_G28 \/\/ 3DWORK PROBE\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">In the case of BILINEAR, we will specify the number of points to perform per mesh in the next part of Marlin (by default it has 3 points per axis, 3&#215;3 = 9 check points).<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\nif EITHER(AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_BILINEAR)\n\/\/ Set the number of grid points per dimension.\n#define GRID_MAX_POINTS_X 3 \/\/ 3DWORK PROBE\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Another function that for safety we must enable is to perform a homing in the center of the bed, this helps us to do two things \u2026 the first to ensure that the sensor has a surface to detect the limit switch and the second for visually verify that our Offsets are correct, since the leveling sensor has to be perfectly positioned in the center of our bed.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define Z_SAFE_HOMING \/\/ 3DWORK PROBE\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>EEPROM<\/strong>, in the EEPROM Marlin saves the configuration values of different functions so that these can be used by the system and be changed by the user without having to modify Marlin source files, compile and upload the firmware at each change. It is highly advisable to activate it and with our <strong>SKR MINI E3 V3<\/strong> we will not have memory problems.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define EEPROM_SETTINGS \/\/ 3DWORK EEPROM\n#define EEPROM_CHITCHAT \/\/ 3DWORK EEPROM\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Nozzle Park<\/strong>, in the example we are explaining we have added a filament sensor. For this to work we must activate NOZZLE_PARK_FEATURE which basically allows us to &#8220;park&#8221; the print head in a safe area to carry out this filament change, although if we do not have a filament sensor it is highly advisable to have it active as it allows us to improve the pause functions.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define NOZZLE_PARK_FEATURE \/\/ 3DWORK FILAMENT SENSOR\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>SD<\/strong>, If we want our Marlin to be able to read from our SD either the one on the board or on a compatible screen (note that the Touch is not) we must activate the SD support.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define SDSUPPORT \/\/ 3DWORK SD\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Advanced Homing Menu<\/strong>. It is not necessary but it is very advisable in the case of tests to enable this function that allows us to perform a separate homing of each axis.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define INDIVIDUAL_AXIS_HOMING_MENU \/\/ 3DWORK IMPROVEMENTS\n<\/pre><\/div>\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"marlin-configuration-adv-h\">Marlin \/ configuration_adv.h<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">We have already finished the first part and now we will have to go to the advanced options configuration.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Scroll and long file names<\/strong>, it is interesting to activate this function to be able to show the full name of the files to be printed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Like the previous one and for it to work correctly we have to activate the following option.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define LONG_FILENAME_HOST_SUPPORT \/\/ 3DWORK IMPROVEMENTS\n#define SCROLL_LONG_FILENAMES \/\/ 3DWORK IMPROVEMENTS\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>SD connection<\/strong>, in configuration.h we enable SD Support and in <strong>configuration_adv.h<\/strong> we will define where Marlin will try to use that SD from.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We have three options, LCD where we will use that of the Marlin screen. ONBOARD where we will use the one of the electronic board and CUSTOM_CABLE where we will indicate that we use an external reader connected to the electronic board.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As we mentioned previously, not all screens that have SD will work correctly.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define SDCARD_CONNECTION LCD \/\/ 3DWORK SD\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Fans,<\/strong> a great success by <strong>Bigtreetech<\/strong> is the inclusion of 3 manageable fans.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The definition of the pin of each FAN can be found in the pins file of the board that we have put at the beginning of the article.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>FAN0<\/strong>, in this case we are not going to make any changes in its role since it is the layer fan and this is managed by the slicer\/laminator itself to cool the filament.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>FAN1<\/strong>, in our example we are going to assign it to the hotend so that it is dynamically only activated when the hotend is in operation, avoiding fan wear and unnecessary noise:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define E0_AUTO_FAN_PIN FAN1_PIN \/\/ 3DWORK FAN1 assigned hotend\n...\n#define EXTRUDER_AUTO_FAN_TEMPERATURE 50 \/\/ 3DWORK FAN1 activation at temperature\n#define EXTRUDER_AUTO_FAN_SPEED 255 \/\/ 255 == full speed\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>FAN2<\/strong>, to take advantage of this arsenal of manageable fans (we can have more by reusing pins from other functions such as RGB for example) to assign FAN2 as a dynamic electronics fan so that it is activated when the drivers are in use, minimizing wear and noise again by the fan:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define USE_CONTROLLER_FAN \/\/ 3DWORK FAN2 enabled electronic managed ventilation\n...\n#define CONTROLLER_FAN_PIN FAN2_PIN \/\/ 3DWORK FAN2 assigned to electronics\n...\n#define CONTROLLER_FAN_EDITABLE \/\/ 3DWORK FAN2 manageable gcode M710\n...\n#define CONTROLLER_FAN_MENU \/\/ 3DWORK FAN2 enable screen management menu\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Babystepping<\/strong>, an almost essential function to have is babystepping. Babystepping allows us to adjust the height of Z during a print to manually adjust this height to our liking.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In our example we will enable that it can be activated with a double click on the button\/encoder, which is always available and shows us graphic improvements in the adjustment to understand the direction of the adjustment from the screen.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define BABYSTEPPING \/\/ 3DWORK IMPROVEMENTS\n#define DOUBLECLICK_FOR_Z_BABYSTEPPING \/\/ 3DWORK IMPROVEMENTS\n#define BABYSTEP_ALWAYS_AVAILABLE \/\/ 3DWORK IMPROVEMENTS\n#define BABYSTEP_ZPROBE_GFX_OVERLAY \/\/ 3DWORK IMPROVEMENTS\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>In case of failure in leveling<\/strong>, another very useful function is to be able to retry the homing process in case of failure. Sometimes our leveling sensor may have a specific failure and through this function it will allow us to try again a finite number of times.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define G29_RETRY_AND_RECOVER \/\/ 3DWORK IMPROVEMENTS\n#define G29_MAX_RETRIES 4 \/\/ 3DWORK IMPROVEMENTS\n<\/pre><\/div>\n\n\n<div class=\"wp-block-uagb-info-box uagb-infobox__outer-wrap uagb-block-5a089d7c\"><div class=\"uagb-infobox__content-wrap uagb-infobox uagb-infobox-has-icon uagb-infobox-icon-left uagb-infobox-left uagb-infobox-stacked-tablet uagb-infobox-image-valign-top uagb-infobox-enable-border-radius \"><div class=\"uagb-ifb-left-right-wrap\"><div class=\"uagb-ifb-image-icon-content uagb-ifb-imgicon-wrap\"><div class=\"uagb-ifb-icon-wrap\"><span class=\"uagb-ifb-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M256 8C119.043 8 8 119.083 8 256c0 136.997 111.043 248 248 248s248-111.003 248-248C504 119.083 392.957 8 256 8zm0 110c23.196 0 42 18.804 42 42s-18.804 42-42 42-42-18.804-42-42 18.804-42 42-42zm56 254c0 6.627-5.373 12-12 12h-88c-6.627 0-12-5.373-12-12v-24c0-6.627 5.373-12 12-12h12v-64h-12c-6.627 0-12-5.373-12-12v-24c0-6.627 5.373-12 12-12h64c6.627 0 12 5.373 12 12v100h12c6.627 0 12 5.373 12 12v24z\"><\/path><\/svg><\/span><\/div><\/div><div class=\"uagb-ifb-content\"><div class=\"uagb-ifb-title-wrap\"><\/div><div class=\"uagb-ifb-separator-parent\"><div class=\"uagb-ifb-separator\"><\/div><\/div><div class=\"uagb-ifb-text-wrap\"><p class=\"uagb-ifb-desc\">In case of using UBL leveling, this option is not compatible.<\/p><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ARC support<\/strong>, a substantial improvement in the quality of our prints and also when we print through serial devices such as TFT, Octoprint, etc &#8230;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It allows to simplify the gcodes commands, minimizing the number of movements and making them more fluid, also avoiding a large number of retractions.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/telegra.ph\/file\/c9fa979e6ddc3e9d6a65d.png\" alt=\"- - -\" title=\"- -\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">To use it we must configure our slicer\/laminator to apply these changes or in the case of <strong>Octoprint<\/strong> we can use a plugin. Regarding the changes in Marlin:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define ARC_SUPPORT \/\/ 3DWORK IMPROVEMENTS\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">It is important to emphasize that in the case of enabling ARC for its use, it is advisable, in the case that we also have it enabled, the compatibility with S_CURVE. You have more information at this <a rel=\"noreferrer noopener\" href=\"https:\/\/labs.3dwork.io\/octoprint\/plugins-mejoras-octoprint\/arc-welder\" target=\"_blank\"><strong>calibration guide<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Advanced pause<\/strong>, as we discussed earlier in this example we use a filament sensor. For it to work correctly we have to enable <strong>ADVANCED_PAUSE_FEATURE<\/strong> which enables the gcode <strong>M600<\/strong> command to change the filaments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This can be done with or without a leveling sensor and requires <strong>NOZZLE PARK<\/strong> for its correct operation.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define ADVANCED_PAUSE_FEATURE \/\/ 3DWORK FILAMENT SENSOR\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Driver configuration<\/strong>, with our TMC2209 drivers in UART we have to correctly configure the advanced parameters that we will find in the <strong>HAS_TRINAMIC_CONFIG<\/strong> section.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Micro-steps, although we can configure from 16 to 256 micro-steps, we do not advise you at all to use a value other than 16. With these micro-steps, the definition that we could achieve mechanically is practically impossible to achieve with normal printers. that the TMC drivers already perform the interpolation of these themselves to always offer maximum reliability and precision.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you desire to read a <strong>great article about TMC Drivers<\/strong> not doubt in check this link: <strong><a href=\"https:\/\/3dwork.io\/en\/tmc-drivers\/\" data-type=\"URL\" data-id=\"https:\/\/3dwork.io\/en\/tmc-drivers\/\" target=\"_blank\" rel=\"noreferrer noopener\">TMC Drivers: Discover the best drivers for 3D printing and their available technologies<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Speaking of reliability is another important aspect when it comes to micro-steps, the stepper motors that our printers carry lose torque (and steps) at high revolutions so increasing this definition of steps will exponentially increase the reliability percentage and therefore that our pieces do not come out correctly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the following example we can see how we have 16 microsteps for our X axis.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#if AXIS_IS_TMC(X)\n#define X_CURRENT 650 \/\/ (mA) RMS current\n#define X_CURRENT_HOME X_CURRENT\n#define X_MICROSTEPS 16 \/\/ 0..256\n#define X_RSENSE 0.11\n#define X_CHAIN_POS -1\n#endif\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Another important value of the previous values is that of <strong>CURRENT<\/strong> where we will adjust the current of our motors. You can also adjust them <strong>from the LCD from Settings\/Advanced\/TMC<\/strong> along with other options that we will explain below.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>STEALTHCHOP<\/strong>, it is important to enable it if we want our motors to be &#8220;silent&#8221; since if they will not be working in <strong>SpreadCycle<\/strong> mode, which is the power mode.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define STEALTHCHOP_XY \/\/ 3DWORK DRIVERS\n#define STEALTHCHOP_Z \/\/ 3DWORK DRIVERS\n#define STEALTHCHOP_E \/\/ 3DWORK DRIVERS\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Although rare, some extruders may work better with StealthChop mode disabled. If this is our case, we will comment on the following line.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n\/\/#define STEALTHCHOP_E \/\/ 3DWORK DRIVERS\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>CHOPPER TIMMING<\/strong>, is used by StealthChop for the synchronization of signals to the motors. This has to match the voltage used in our printer, in the case of Ender 3 and normally in all 24v printers.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define CHOPPER_TIMING CHOPPER_DEFAULT_24V \/\/ 3DWORK DRIVERS\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Monitor Status<\/strong>, this function allows Marlin to control in detail all the parameters of the drives to be able to adjust, for example, their temperature to avoid more serious problems.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define MONITOR_DRIVER_STATUS \/\/ 3DWORK DRIVERS\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Hybrid Threshold<\/strong>, another interesting function is Hybrid Threshold that allows Marlin to switch between StealthChop (silence) or SpreadCycle (power) dynamically based on the speed of movements.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define HYBRID_THRESHOLD \/\/ 3DWORK DRIVERS\n#define X_HYBRID_THRESHOLD 100 \/\/ &#x5B;mm\/s]\n#define Y_HYBRID_THRESHOLD 100\n#define Z_HYBRID_THRESHOLD 15\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">In our case we use the values indicated for an Ender which are 100mm \/ s for X Y and 15 for Z although we can adjust it to our needs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>TMC Debug<\/strong>, in this case it is a <strong>MONITOR_DRIVER_STATUS<\/strong> requirement that we must enable and will allow us to have the <strong>M122<\/strong> command accessible, very useful for obtain advanced information on the status and configuration of our drivers.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n#define #define TMC_DEBUG \/\/ 3DWORK DRIVERS\n<\/pre><\/div>\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"pin-file-of-our-skr-mini-e3-v3\">Pin file of our SKR MINI E3 V3<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">The pins file containing the references for this board can be found in the Marlin firmware, at the following path: <strong>Marlin\/src\/pins\/stm32g0\/pins_BTT_SKR_MINI_E3_V3_0.h<\/strong><\/p>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"update-marlin-firmware\">Update Marlin firmware<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">In this case it is very simple and we just have to copy our <strong>firmware.bin<\/strong> to the root of the <strong>SD formatted in FAT32<\/strong>, insert the SD in the module slot and wait about 30 seconds for finish the process.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Once done, the <strong>firmware.bin <\/strong>file <strong>must be renamed to firmware.CUR<\/strong>, which we can save as a backup (remember that a compiled firmware cannot be modified, this process only it can be done with the source files of your firmware and recompiled).<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"klipper\">Klipper<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.klipper3d.org\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" class=\"external\"><strong>Klipper<\/strong><\/a> is an open-source firmware for 3D printers that <strong>leverages the power of a Raspberry Pi or similar board<\/strong> to control the printer&#8217;s electronics, enabling higher processing speed, real-time configuration changes and advanced features. If you are new to Klipper, we recommend starting with our <a href=\"https:\/\/klipper.3dwork.io\/klipper\/empezamos\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Klipper getting started guide at klipper.3dwork.io<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Something that Klipper will allow us in any case is <strong>to be able to have a lower level control of our machine, which will also require extra knowledge\/efforts, a greater speed when applying any changes and a first-class remote control of our machine (hardware)<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It is important to emphasize that <strong>if we come from other systems, Klipper may have some restrictions regarding compatibility with components or with certain functions<\/strong> that we have already in our printer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">On the other hand,<strong> we have very interesting control function<\/strong>s of our printer such as <strong>Pressure Advance<\/strong> (similar to Marlin&#8217;s Linear Advance) and <strong>Input Shaper<\/strong> which will greatly improve speed and quality.<br><\/p>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"raspberry-pi-connection-to-our-skr-mini-e3-v3\">Raspberry Pi connection to our <strong>SKR MINI E3 V3<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">As we have already mentioned, the heart of Klipper runs in a <strong><a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/s.click.aliexpress.com\/e\/_9Q6Oos\" target=\"_blank\" class=\"external\">Raspberry Pi<\/a><\/strong> normally, we can connect using a USB cable or via USART to our SKR MINI E3 v3 but for our example we will use the most common\/simple one which is using a USB cable.<\/p>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"klipper-firmware-generation\">Klipper firmware generation<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">In order for <strong>Klipper<\/strong> to control our <strong>SKR MINI E3 V3<\/strong>, it must contain a firmware which we can obtain in different ways:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Using the <strong>precompiled firmwares<\/strong> that we can find on the Bigtreetech github\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/github.com\/bigtreetech\/BIGTREETECH-SKR-mini-E3\/blob\/master\/firmware\/V3.0\/Klipper\/firmware-USB.bin\" data-type=\"URL\" data-id=\"https:\/\/github.com\/bigtreetech\/BIGTREETECH-SKR-mini-E3\/blob\/master\/firmware\/V3.0\/Klipper\/firmware-USB.bin\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" class=\"external\"><strong>firmware-USB.bin<\/strong><\/a> in the case that we use the connection between our Klipper and SKR MINI E3 v3 via USB<\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/bigtreetech\/BIGTREETECH-SKR-mini-E3\/blob\/master\/firmware\/V3.0\/Klipper\/firmware-USART2.bin\" data-type=\"URL\" data-id=\"https:\/\/github.com\/bigtreetech\/BIGTREETECH-SKR-mini-E3\/blob\/master\/firmware\/V3.0\/Klipper\/firmware-USART2.bin\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" class=\"external\"><strong>firmware-USART2.bin<\/strong><\/a> in this other case we will use the connection USART2 to communicate both components.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-uagb-info-box uagb-infobox__outer-wrap uagb-block-850d1156\"><div class=\"uagb-infobox__content-wrap uagb-infobox uagb-infobox-has-icon uagb-infobox-icon-left uagb-infobox-left uagb-infobox-stacked-tablet uagb-infobox-image-valign-top uagb-infobox-enable-border-radius \"><div class=\"uagb-ifb-left-right-wrap\"><div class=\"uagb-ifb-image-icon-content uagb-ifb-imgicon-wrap\"><div class=\"uagb-ifb-icon-wrap\"><span class=\"uagb-ifb-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M256 8C119.043 8 8 119.083 8 256c0 136.997 111.043 248 248 248s248-111.003 248-248C504 119.083 392.957 8 256 8zm0 110c23.196 0 42 18.804 42 42s-18.804 42-42 42-42-18.804-42-42 18.804-42 42-42zm56 254c0 6.627-5.373 12-12 12h-88c-6.627 0-12-5.373-12-12v-24c0-6.627 5.373-12 12-12h12v-64h-12c-6.627 0-12-5.373-12-12v-24c0-6.627 5.373-12 12-12h64c6.627 0 12 5.373 12 12v100h12c6.627 0 12 5.373 12 12v24z\"><\/path><\/svg><\/span><\/div><\/div><div class=\"uagb-ifb-content\"><div class=\"uagb-ifb-title-wrap\"><\/div><div class=\"uagb-ifb-separator-parent\"><div class=\"uagb-ifb-separator\"><\/div><\/div><div class=\"uagb-ifb-text-wrap\"><p class=\"uagb-ifb-desc\">To use the USART connection we have to connect the UART-TX pin of our Raspberry with the USART-RX2 pin of our board, the UART-RX pin of our Raspberry with the USART-TX2 pin of our board.<\/p><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Compiling our firmware<\/strong>\n<ul class=\"wp-block-list\">\n<li>To install Klipper, follow our <a href=\"https:\/\/klipper.3dwork.io\/klipper\/instalacion\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Klipper installation guide at klipper.3dwork.io<\/strong><\/a>. We recommend using <a href=\"https:\/\/github.com\/th33xitus\/kiauh\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" class=\"external\"><strong>Kiauh<\/strong><\/a> for the installation process. If you run into issues, check our <a href=\"https:\/\/klipper.3dwork.io\/klipper\/troubleshooting\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>troubleshooting guide<\/strong><\/a>.<\/li>\n\n\n\n<li>Following the previous documentation we will go to the <strong>option Building the microcontroller<\/strong> using this configuration:\n<ul class=\"wp-block-list\">\n<li>[*] Enable extra low-level configuration options<\/li>\n\n\n\n<li>Micro-controller Architecture = <strong>STMicroelectronics STM32<\/strong><\/li>\n\n\n\n<li>Processor model = <strong>STM32G0B1<\/strong><\/li>\n\n\n\n<li>Bootloader offset = <strong>8KiB bootloader (stm32duino)<\/strong><\/li>\n\n\n\n<li>Clock Reference = <strong>8 MHz crystal<\/strong><\/li>\n\n\n\n<li>If we use <strong>USB<\/strong>\n<ul class=\"wp-block-list\">\n<li>Communication interface = <strong>USB (on PA11\/PA12)<\/strong><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>If we use <strong>USART2<\/strong>\n<ul class=\"wp-block-list\">\n<li>Communication interface = <strong>Serial (on USART2 PA3\/PA2)<\/strong> &lt; \/ li&gt;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The firmware <strong>klipper.bin<\/strong> will be generated in the folder <strong>home\/pi\/klipper\/out<\/strong> which if Klipper is not able to copy it directly to the SD of our SKR MINI E3 V3 manually copy to SD using WinSCP or the pscp command in CMD.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2FOuyNHAO0mULrKQqBS69X%2Fimage.png?alt=media&amp;token=0d3f8177-c257-475b-8fd8-9851b24f2c65\" alt=\"- - -\" title=\"- -\"><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Updating our SKR MINI E3 V3 to Klipper firmware<\/strong>, it will be enough to rename the firmware created \/ downloaded firmware-USB.bin, firmware-USART2.bin or klipper.bin to fiwmware.bin, which is the default name used by our Octupus bootloader to make the. update process.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"klipper-basic-configuration\">Klipper basic configuration<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Using as reference <a rel=\"noreferrer noopener\" href=\"https:\/\/klipper.3dwork.io\/klipper\/instalacion\" target=\"_blank\"><strong>official Klipper documentation to install it<\/strong><\/a><strong> <\/strong>to configure Klipper we will use the configuration<strong> <a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/github.com\/bigtreetech\/BIGTREETECH-SKR-mini-E3\/blob\/master\/firmware\/V3.0\/Klipper\/SKR-mini-E3-V3.0-klipper.cfg\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/github.com\/bigtreetech\/BIGTREETECH-SKR-mini-E3\/blob\/master\/firmware\/V3.0\/Klipper\/SKR-mini-E3-V3.0-klipper.cfg\" class=\"external\"><strong>SKR MINI V3 klipper.cfg<\/strong><\/a> <\/strong>as the basis for our <strong>printer.cfg<\/strong> which includes the correct pinning level definitions for our <strong>SKR MINI E3 V3<\/strong>.<\/li>\n\n\n\n<li>To configure the basic features, check our <a href=\"https:\/\/klipper.3dwork.io\/klipper\/empezamos\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Klipper first steps guide<\/strong><\/a> and the <a href=\"https:\/\/klipper.3dwork.io\/klipper\/mejoras\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>improvements and calibration guide<\/strong><\/a>.<\/li>\n\n\n\n<li>If we are going to use USB to communicate Klipper with SKR MINI E3 V3 we will execute the following command from <strong>Klipper ls\/dev\/serial\/by-id\/*<\/strong>, from <strong>Kiauh<\/strong> available. We can quickly and easily execute this action from its menu, to identify the correct ID of our SKR MINI E3 V3 and add it to our <strong>printer.cfg<\/strong>.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/files.gitbook.com\/v0\/b\/gitbook-x-prod.appspot.com\/o\/spaces%2F-MTqLw6KI5FruaRNEMZD-887967055%2Fuploads%2FYXqe1vr3TDhebEpYQ6qG%2Fimage.png?alt=media&amp;token=7fa5ad2b-ade5-4f42-b115-4732bc343475\" alt=\"- - -\" title=\"- -\"><\/figure>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n...printer.cfg\n&#x5B;mcu]\nserial: \/dev\/serial\/by-id\/usb-Klipper_stm32g0b1xx_4D003C000B50345033313820-if00\n<\/pre><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>If we use USART2 to communicate we will need to modify some settings on our Raspberry Pi directly on the SD from the computer or in the most comfortable and advisable way that is through SSH.\n<ul class=\"wp-block-list\">\n<li>Delete or comment the line <strong>console = serial0,115200<\/strong> in <strong>\/boot\/cmdline.txt<\/strong><\/li>\n\n\n\n<li>Add <strong>dtoverlay=pi3-miniuart-bt<\/strong> to the end of <strong>\/boot\/config.txt<\/strong><\/li>\n\n\n\n<li>Modify the <strong>configuration[mcu]<\/strong> in <strong>printer.cfg<\/strong> to <strong>serial:\/dev\/ttyAMA0<\/strong> and enable <strong>restart_method:command<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n...printer.cfg\n&#x5B;mcu]\nserial: \/dev\/ttyAMA0\nrestart_method: command\n<\/pre><\/div>\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"configuration-of-ui-klipper-for-lcd-tft\">Configuration of UI Klipper for LCD\/TFT<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">To enable the Klipper UI for LCD \/ TFT screens we have the following examples:<\/p>\n\n\n\n<div class=\"wp-block-uagb-tabs uagb-block-6a3ab4d4 uagb-tabs__wrap uagb-tabs__hstyle1-desktop uagb-tabs__vstyle6-tablet uagb-tabs__vstyle6-mobile\" data-tab-active=\"0\"><ul class=\"uagb-tabs__panel uagb-tabs__align-left\" role=\"tablist\"><li class=\"uagb-tab uagb-tabs__active\" role=\"none\"><a href=\"#uagb-tabs__tab0\" class=\"uagb-tabs-list uagb-tabs__icon-position-left\" data-tab=\"0\" role=\"tab\">BTT TFT Emulation<\/a><\/li><\/ul><div class=\"uagb-tabs__body-wrap\">\n<div class=\"wp-block-uagb-tabs-child uagb-tabs__body-container uagb-inner-tab-0 uagb-tabs__inner-tab\" aria-labelledby=\"uagb-tabs__tab0\">\n<p class=\"wp-block-paragraph\"><a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/www.aliexpress.com\/w\/wholesale-bigtreetech.html\" data-type=\"URL\" target=\"_blank\" class=\"external\"><strong>BigTreeTech&#8217;s dual TFTs<\/strong><\/a> are all-rounders and the best screens for our printers have a perfect emulation mode to use in Klipper. To enable them we will configure the [display] section in printer.cfg as follows:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: cpp; gutter: true; title: ; notranslate\" title=\"\">\n&#x5B;display]\nlcd_type: emulated_st7920\nspi_software_miso_pin: PD8 # status led, Virtual MISO\nspi_software_mosi_pin: PD6\nspi_software_sclk_pin: PB9\nen_pin: PB8\nencoder_pins: ^PA10, ^PA9\nclick_pin: ^!PA15\n\n&#x5B;output_pin beeper]\npin: PB5\n<\/pre><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"final-notes\">Final notes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Now we only have to compile, adjust any error that the compiled report reports to us and put it on our electronic board. And of course, we advise you to initially verify the printer as follows:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Check limit switches using a terminal (Pronterface for example) with the <strong>M119 command<\/strong>.<\/li>\n\n\n\n<li>Check individually Homing of each of the movement axis in order (XYZE) and reverse motor rotation if is necessary.<\/li>\n\n\n\n<li>Check that our thermistors reports the temperature correctly.<\/li>\n\n\n\n<li>Check that our heatbed and hotend heaters work correctly and without any issue.<\/li>\n\n\n\n<li>Carry out the <strong><a href=\"https:\/\/labs.3dwork.io\/guias-impresion-3d\/calibracion_3d\" data-type=\"URL\" data-id=\"https:\/\/labs.3dwork.io\/guias-impresion-3d\/calibracion_3d\" target=\"_blank\" rel=\"noreferrer noopener\">Initial Calibration guide<\/a><\/strong> that you can find in our bot in the <strong>\/Calibration<\/strong> section.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">We hope this guide helps you get the most out of your <strong>BigTreeTech SKR Mini E3 V3<\/strong>. If you have questions or need help with your setup, leave a comment below \u2014 we read every one.<\/p>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">You may also find these related articles useful:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/3dwork.io\/en\/btt-skr-3\/\" target=\"_blank\" rel=\"noreferrer noopener\">BTT SKR 3: Complete guide and configuration<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/3dwork.io\/en\/btt-manta-m8p\/\" target=\"_blank\" rel=\"noreferrer noopener\">BTT Manta M8P: Review and Klipper setup guide<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/3dwork.io\/en\/btt-pad-7\/\" target=\"_blank\" rel=\"noreferrer noopener\">BTT Pad 7: Klipper screen for your 3D printer<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/3dwork.io\/en\/btt-pi\/\" target=\"_blank\" rel=\"noreferrer noopener\">BTT Pi: Raspberry Pi alternative for Klipper<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/3dwork.io\/en\/btt-e3-rrf\/\" target=\"_blank\" rel=\"noreferrer noopener\">BTT E3 RRF: RepRapFirmware board for Ender 3<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/3dwork.io\/en\/btt-skr-mini-e3-v20\/\" target=\"_blank\" rel=\"noreferrer noopener\">BTT SKR Mini E3 V2: Previous generation review<\/a><\/li>\n<\/ul>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Complete guide to the BTT SKR Mini E3 V3: improvements over V2, wiring diagrams, expansions, and step-by-step configuration with Marlin and Klipper for Creality Ender 3 and Ender 5 printers.<\/p>\n","protected":false},"author":6,"featured_media":32390,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[3702,5772],"tags":[4789,5839,5840,5832,4077],"class_list":["post-32443","post","type-post","status-publish","format-standard","has-post-thumbnail","category-articles","category-electronic-boards","tag-bigtreetech-2-en","tag-btt-en","tag-btt-skr-mini-e3-v3-en","tag-klipper-en","tag-marlin-en"],"uagb_featured_image_src":{"full":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3.jpg",1409,956,false],"thumbnail":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3-150x150.jpg",150,150,true],"medium":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3-300x204.jpg",300,204,true],"medium_large":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3-768x521.jpg",768,521,true],"large":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3-1024x695.jpg",1024,695,true],"1536x1536":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3.jpg",1409,956,false],"2048x2048":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3.jpg",1409,956,false],"pixwell_370x250":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3-370x250.jpg",370,250,true],"pixwell_370x250-2x":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3-740x500.jpg",740,500,true],"pixwell_370x250-3x":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3-1110x750.jpg",1110,750,true],"pixwell_280x210":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3-280x210.jpg",280,210,true],"pixwell_280x210-2x":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3-560x420.jpg",560,420,true],"pixwell_400x450":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3-400x450.jpg",400,450,true],"pixwell_400x600":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3-400x600.jpg",400,600,true],"pixwell_450x0":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3-450x305.jpg",450,305,true],"pixwell_780x0":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3-780x529.jpg",780,529,true],"pixwell_780x0-2x":["https:\/\/3dwork.io\/wp-content\/uploads\/2021\/12\/bigtreetech-skr-mini-e3-v3.jpg",1409,956,false]},"uagb_author_info":{"display_name":"JJR","author_link":"https:\/\/3dwork.io\/en\/author\/juanjo\/"},"uagb_comment_info":82,"uagb_excerpt":"Complete guide to the BTT SKR Mini E3 V3: improvements over V2, wiring diagrams, expansions, and step-by-step configuration with Marlin and Klipper for Creality Ender 3 and Ender 5 printers.","_links":{"self":[{"href":"https:\/\/3dwork.io\/en\/wp-json\/wp\/v2\/posts\/32443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3dwork.io\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/3dwork.io\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/3dwork.io\/en\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/3dwork.io\/en\/wp-json\/wp\/v2\/comments?post=32443"}],"version-history":[{"count":2,"href":"https:\/\/3dwork.io\/en\/wp-json\/wp\/v2\/posts\/32443\/revisions"}],"predecessor-version":[{"id":41390,"href":"https:\/\/3dwork.io\/en\/wp-json\/wp\/v2\/posts\/32443\/revisions\/41390"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3dwork.io\/en\/wp-json\/wp\/v2\/media\/32390"}],"wp:attachment":[{"href":"https:\/\/3dwork.io\/en\/wp-json\/wp\/v2\/media?parent=32443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3dwork.io\/en\/wp-json\/wp\/v2\/categories?post=32443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3dwork.io\/en\/wp-json\/wp\/v2\/tags?post=32443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}