The Arduino Mega2560-Rev.3 board is a microcontroller board based on the ATmega2560 microcontroller. It has 54 digital input/output pins (of which 14 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; simply connect it to a computer with a USB cable or power it with AC-to-DC adapter or battery to get started. Arduino Mega 2560 Kit is a comprehensive development kit that enables easy interfacing many devices to Mega2560 board. Mega 2560 Kit contains: • 16 switches • LCD 2x16 • Grafical LCD 128x64 (optional item) • Seven segments • RS232 serial interface • 64KB(2x32KB) Serial EEPROM • RTC (DS1307) • Relays • LEDs • Buzzer • Analog Input • Temperature sensor • Bread Board This Development Board come with FREE Arduino Mega-2560 Rev3 Compatible (MADE IN CHINA) - More Informationclick here