V1 Beta 1

First UNTESTED release of the Klipper Expander.

This is a simple MCU board with:

• STM32F042F6P6 MCU with internal oscillator
• SWD header for easy debugging
• 4 3A Mosfet outputs
• 2 Thermistor inputs
• 1 Level Shifted Neopixel output
• 1 GPIO header
• I2C Header with Pullup Resistors

This board is designed to be used as a:

• Chamber Heater Controller
• Extra Fan Controller
• Lighting Controller
• Other interface controller
• Whatever else you can think of!

Files

KiCad Files

Source files are supplied as well as a .step file for mount creation.

PCB Files

Gerber.zip includes all needed files for use with many online PCB fab houses (OSH Park, JLC PCB, Macrofab, Seeed Studio)

Production Files

Files/Folders are supplied for use with both JLC and Seeed Studios for their PCB-Assembly services.