As each servo pin has its own number bltouch will be controled with the servo pin number as following. These images were taken from the bigtreetech github site.
Bltouch Upgrade The Unofficial Jgaurora Wiki
Bltouch wiring diagram. V20 v21 board use the same pin out for the bltouch if you have the v21 board follow the wiring guide for v20. The bltouch plugs into the skr mini board as shown in the image below. Bltouch smart v22 manual january 2019 bltouch smart v20 manual october 2017 bltouch smart v10 manual. 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. 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. Please check wiring defects with blue and red led smart v20 only.
3dtouch can be operated in the following condition. However there are some differences between versions and the colour coded cables that connect them. 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. Soldering and firmware update might be needed in rare case m280 p0 s90 servo0pin. 3 fixes for bltouch v3 on creality machines teaching tech production dates can be tracked with unique qr codes marked on bltouch. So lets get started.
The bltouch troubleshooting section of this readme covers some other wiring issues you might encounter but i didnt have these problems. Bltouch smart v30 manual creality3d cr 10s pro wiring march 2019 youtube. It is recommended that you use the z endstop as the bltouch switch instead of the alternate wiring method. Recommended wiring for bltouch on the skr mini e3 v12 recommended bltouch wiring for the skr mini e3 v20. And i do not know if bltouch works with marlin 119 i assume it will it is a highernewer version. Install bl touch on ender 3 with skr board.
Nonetheless for ease ability i have listed the two main variants based upon original antclabs bltouch versions. The rar file i send contains a pdf file look at page 1 point 3. One io for control pwm or software pwm one io for z min z probe gnd and 5v power. M280 p2 s90 servo2pin blue red led. M280 p1 s90 servo1pin. Connecting a bltouch style probe is an easy affair on the skr v14 3d printer board.
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.
Gallery of Bltouch Wiring Diagram
