Klipper Expander PCB - Complete

This Klipper expander PCB by Timmit99 allows those running Klipper firmware easy access to additional fans, thermistors, and other inputs/outputs - regardless of your main controller board's hardware limitations.

Read more at the GitHub page here.

Overview:

Simple MCU board for use with Klipper 3D Printer firmware with:

STM32F042F6P6 MCU with internal oscilator

SWD (Serial Wire Debug) header for easy debugging

4 3A Mosfet outputs

2 Thermistor inputs

1 Level Shifted Neopixel output

1 GPIO header

I2C Header with Pullup Resistors