Basic espresso machine controls on Arduino Nano extension board.
Supports 3-Way valve control, PSM control for a vibe pump based on zero-crossing detector, Qwiic I2C connector for various peripherals (e.g. displays, thermal sensors), full header breakout for Nano pins.
This project is provided AS-IS, use at your sole discretion and your own risk. Parts of this project can work under dangerous voltages and require special care. Please don't do anything you're not sure about. The maintainer(s) can not be held liable for any suffer or loss or harm or anything else.