# Klipper Expander

{% hint style="info" %}
Please note that this document is sourced from the following link:\
<https://github.com/VoronDesign/Voron-Hardware/tree/master/Klipper_Expander/Documentation>
{% endhint %}

## STM32-Klipper-Expande

<figure><img src="/files/QXzkahmFxSHjpStRpvut" alt=""><figcaption></figcaption></figure>

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


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