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PD Micro is the first Arduino-compatible board with USB-C power delivery.
PD Micro allows you use up to 20 V of power in your project, delivered in simple fashion over USB-C. It’s perfect for projects that would require separate power sources if your control board only output 3.3 or 5 V - like those involving motor control or high-power LEDs. The output voltage can be controlled in your Arduino sketch using our new library.
PD Micro is accompanied by our newly-implemented, simple, compact, USB-C power delivery library that allows you to set power delivery output levels by updating code through the Arduino IDE. This was written over the course of porting the code for PD Micro. We ended up writing a library completely from scratch. The result is a simple, compact, portable source code for USB-C device-only application, which can be programmed to ATMega328 and ATmega32U4 controllers.