Orangepip Arduino Compatible Open Source Development Boards - Orangepip KONA328, The Orangepip Kona328 is an Arduino UNO compatible development board based around the ATmega328 microcontroller.
The board features 14x digital I/O pins (six of which may be used as PWM outputs), 6 analog inputs and a 16MHz crystal oscillator.
The board is simple to use, just requiring connection to a computer via USB to get started.
Orangepip Kona328 Arduino UNO Compatible Development Board