The Mega 2560 board has a variety of amenities for communicating with a pc, A different board, or other microcontrollers. The ATmega2560 provides 4 components UARTs for TTL (5V) serial interaction. An ATmega16U2 (ATmega 8U2 to the revision one and revision 2 boards) within the board channels a person of these about USB and presents a virtual com po