The Arduino ADK is a card based on the ATmega2560 microcontroller and has a USB interface for connection with phones using Android. This module has 54 digital inputs / outputs (14 of which can be used as PWM outputs), 16 analog inputs, 4 UARTs, a USB connection and a reset button. Microcontroller: ATmega2560 Supply to be provided: - either 5 Vdc via USB port - or 7 to 12 Vdc via power connector Input voltage: 6 to 20 Vdc Logic inputs / outputs: 54 (including 15 PWM) 10-bit analog inputs: 16 Current per I / O pin: 40 mA Current for the 3.3 V pin: 50 ma Flash memory: 256 kB (including 8 kB for the bootloader) SRAM memory: 8 kB Eeprom memory: 4 kB Clock speed: 16 Mhz Dimensions : 102 x 54 mm
