This is just some config files and tips for my modded Ender 3 V2 (SKR Pico + Klipper + LGX)
Add dtoverlay=pi3-miniuart-bt to the upper most part of /boot/config.txt so that serial connection to the SKR Pico works
Use fish://pi@192.168.37.3/ in Dolphin to connect to the Pi
The endstops on the SKR Pico board have three pins each: io pin, gnd, 5V. you need to connect the endstop switches to pin and gnd. The 5V you can ignore
I use an original BL Touch 3.1. Older versions or clones might need different configs
Check if BL Touch Pin moves up and down:
BLTOUCH_DEBUG COMMAND=pin_down
BLTOUCH_DEBUG COMMAND=pin_up
Check if it is triggering correct:
bl tough should be red
BLTOUCH_DEBUG COMMAND=pin_down
pin should be down and no light
BLTOUCH_DEBUG COMMAND=touch_mode
QUERY_PROBE
result should read "open"
move the pin carefully up until red light goes and and hold it there with one hand (if it fully retracts you pushed too far). use other hand to send another:
QUERY_PROBE
result should read "triggered"
remove finger
pin should be down and red light should be off
QUERY_PROBE
result should read "open"
BLTOUCH_DEBUG COMMAND=pin_up