FreArduino ADK Main Board Module for Arduino (Works with Official Arduino Boards)
Model ADK02 Quantity 1 Color Red Material FR4 Features Compatible with Google ADK / Arduino Mage ADK; 56 digital IOs; 16 analog input; 14 PWM outputs; 4 hardware serial ports; 1 hardware TWI; 1 hardware SPI (up to 8Mbps); Working voltage: 3.3V / 5V (selectable) Application Arduino DIY project Packing List 1 x Main board 1 x Mini USB cable (22cm)