ATmega2560 MEGA DEVELOPMENT BOARD

The ATmega2560 MEGA DEVELOPMENT BOARD (Arduino® Compatible) Mega 2560 is a microcontroller board based on the ATmega2560. It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. The Mega is compatible with most shields designed for the Arduino Duemilanove or Diecimila.
Features:

100% compatible with Arduino® MEGA2560

Specifications:

microcontroller: ATmega2560
operating voltage: 5 VDC
input voltage (recommended): 7-12 VDC
input voltage (limits): 6-20 VDC
digital I/O pins: 54 (of which 15 provide PWM output)
analogue input pins: 16
DC current per I/O pin: 40 mA
DC current for 3.3 V pin: 50 mA
flash memory: 256 kB of which 8 kB used by bootloader
SRAM: 8 kB
EEPROM: 4 kB
clock speed: 16 MHz
length: 112 mm
width: 55 mm
weight: 62 g