The Bigtreetech SKR mini E3 is a plug and play 32 bit mainboard for the Creality Ender 3, Ender 5 and CR-10. It is very popular because it is affordable and capable. In this third iteration, many of the bugs have been ironed out and a strong focus on reliability has been added.

In this video I explain the changes in the new version, cover installation, compiling firmware, BLtouch, EEPROM, filament runout, Neopixels, TFT35 touch screen, BTT wifi and sensorless homing. Thanks to the great work by the Marlin devs and Bigtreetech, most of these are quite easy to set up.

This board should be more reliable and offers slightly more refinement due to the automatic control of the electronics fan. I’ve never had any overheating with my previous SKR mini boards, but if you have, this updated version may be the answer. This is far superior to the Creality silent board because it is cheaper, has newer TMC2209s connected in UART (linear advance friendly), is 32 bit and has much more IO options.

Tip from viewer Dale for helping this board connect easily to Octoprint when using a BTT TFT as well. Add this line to the "Additional Serial Ports" in settings: /dev/serial/by-id/usb-LeafLabs_Maple-if00

This board was supplied free of charge by Bigtreetech for the purposes of making this guide. All opinions expressed are my own.

Purchase the SKR mini E3 V2.0:
Aliexpress: http://s.click.aliexpress.com/e/_dVKuZYU
Amazon (with TFT35): https://amzn.to/2YQ8XS7
Purchase the DCD5V mode module for high powered 5V add ons such as Neopixels:
Aliexpress: http://s.click.aliexpress.com/e/_d72O83O

BTT GitHub (select V2 inside firmware and hardware folders): https://github.com/bigtreetech/BIGTRE...
Manual: https://github.com/bigtreetech/BIGTRE...
Universal dual filament dragon clip by Lyl3: https://www.thingiverse.com/thing:375...
My Creality Melzi (standard) wiring checklist: https://imgur.com/a/Zy7rdq4
My SKR mini E3 V2.0 wiring checklist: https://imgur.com/a/idnV4q6
Ender 3 universal electronics case: https://www.thingiverse.com/thing:368...

Previous relevant video guides:
BTT TFT35 dual mode touchscreen:    • BTT TFT35 dual mode touch screen guide  
BTT WIFI module:    • Add wifi to your Bigtreetech mainboar...  
Neopixels:    • 3D printer LEDs - Beginner and advanc...  
SKR Mini E3 V1.0:    • SKR Mini E3 - The best Ender 3 upgrad...  
SKR mini E3 V1.2:    • SKR mini E3 V1.2 guide - Best budget ...  

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