Thingiverse
Flsun Z probe
by machanzar
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Probe upgrade for Flsun Q5, QQS-Pro, Super Racer and v400. It uses the same magnet and connectors so no soldering. Trigger distance is less than 0.4mm without the clicking sound, and can be adjusted to match actual nozzle height for zero Z-Offsetting. [InfraRed Differential sensor](https://www.aliexpress.us/item/3256801408334718.html) uses header pins and you can be replace with JST-XH3 plastic, middle wire for ground, Red for VCC and White goes to output. Get the magnet and m3 screws from stock probe.
It should emit red light when you cover bottom part. If it doesn't stop during autolevel quickly power off to save the bed, you'll need to invert the trigger. Edit Configuration.h on Marlin and set the following to either true or false.
Z_MIN_ENDSTOP_INVERTING
Z_MIN_PROBE_ENDSTOP_INVERTING
For Klipper's printer.cfg, add or remove !bang command like so:
[probe]
pin: ^!PC8
It should emit red light when you cover bottom part. If it doesn't stop during autolevel quickly power off to save the bed, you'll need to invert the trigger. Edit Configuration.h on Marlin and set the following to either true or false.
Z_MIN_ENDSTOP_INVERTING
Z_MIN_PROBE_ENDSTOP_INVERTING
For Klipper's printer.cfg, add or remove !bang command like so:
[probe]
pin: ^!PC8
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