New Version: We now have a modern USB C connector on the board (instead of micro USB), a I2C switch to connect D1 and D2 for easy I2C interfacing, 3V power output pin up to 500mA, and a Stemma QT connector that lets you plug & play any Stemma QT or Qwiic devices, sensors and displays. Wouldn't it be cool to drive a tiny OLED display, read a color sensor, or even just flash some LEDs directly ...