How to use GPIO pins with Klipper

Published at : 23 Dec 2025

Tutorial on how to use your Raspberry Pi GPIO pins to expand your 3D printer board. Connect and control all kinds of devices with Klipper MCU running on the Pi.

Klipper Pi MCU: https://www.klipper3d.org/RPi_microcontroller.html
Klipper config reference: https://www.klipper3d.org/Config_Reference.html

Relay board: https://amzn.to/30vGnca

Mosfet: https://s.click.aliexpress.com/e/_ANx5l9

SSR relay: https://amzn.to/2YMhclb

Power distribution board: https://amzn.to/3GjQJMK

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