The Mega 2560 ATmega2560-16AU Board without USB Cable for Arduino is a powerful microcontroller board based on the Atmel ATmega2560-16AU. It contains everything needed to support the microcontroller; simply connect it with a compatible USB cable to get started. With 54 digital input/output pins, 16 analog inputs, a USB connection, power jack, ICSP header, and reset button, this board is ideal for those looking to build or expand their Arduino projects.