ATMEGA 2560 R3 Board CH340 Mega2560 R3 Compatible Atmega2560-16AU for Arduino
ab 1,19 €
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.
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