Ive had the skr mini e3 and the bl touch lying in my room since january as i had installed the skr mini board into my 3d printer earlier the time has come to install the bl touch to the printer. Bltouch smart v22 manual january 2019 bltouch smart v20 manual october 2017 bltouch smart v10 manual.
Skr 1 3 Bltouch
Bltouch wiring diagram. The bltouch plugs into the skr mini board as shown in the image below. M280 p1 s90 servo1pin. M280 p2 s90 servo2pin blue red led. These images were taken from the bigtreetech github site. One io for control pwm or software pwm one io for z min z probe gnd and 5v power. 3dtouch can be operated in the following condition.
So lets get started. 22 wiring the 3dtouch auto leveling sensor has 5 wires 3 for the first servo connection and 5v and 2 for the z min end stop negative and signal pins. Please check wiring defects with blue and red led smart v20 only. Install bl touch on ender 3 with skr board. Recommended wiring for bltouch on the skr mini e3 v12 recommended bltouch wiring for the skr mini e3 v20. Bltouch smart v30 manual creality3d cr 10s pro wiring march 2019 youtube.
V20 v21 board use the same pin out for the bltouch if you have the v21 board follow the wiring guide for v20. However there are some differences between versions and the colour coded cables that connect them. Also different from the video for me the yellow wire had to be closest to the sd card port the front of the board and the blue wire after switching wires was toward the back of the board. The rar file i send contains a pdf file look at page 1 point 3. It is recommended that you use the z endstop as the bltouch switch instead of the alternate wiring method. Nonetheless for ease ability i have listed the two main variants based upon original antclabs bltouch versions.
Connecting a bltouch style probe is an easy affair on the skr v14 3d printer board. As each servo pin has its own number bltouch will be controled with the servo pin number as following. 3 fixes for bltouch v3 on creality machines teaching tech production dates can be tracked with unique qr codes marked on bltouch. If you connect your bltouch and when auto homing the sensor doesnt register the z axis keeps dropping pressing into your bed turn your printer off disconnect the power and invert the black and white connectors in the z limit. Soldering and firmware update might be needed in rare case m280 p0 s90 servo0pin. And i do not know if bltouch works with marlin 119 i assume it will it is a highernewer version.
The bltouch troubleshooting section of this readme covers some other wiring issues you might encounter but i didnt have these problems.
Gallery of Bltouch Wiring Diagram
