The Mega 2560 board has several facilities for speaking with a pc, One more board, or other microcontrollers. The ATmega2560 provides four hardware UARTs for TTL (5V) serial interaction. An ATmega16U2 (ATmega 8U2 around the revision 1 and revision two boards) around the board channels a person of these around https://lukasusmha.topbloghub.com/34135881/details-fiction-and-liga-mega25