아두이노 메가 https://store.arduino.cc/usa/mega-2560-r3 Arduino Mega 2560 Rev3 | Arduino Official Store The Arduino 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 powe store.arduino.cc Arduino Mega 2560은 ATmega2..