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EMX-00003-A

(Last updated) Jun 20, 2026

Arduino Mega

High-pin microcontroller board

The Arduino Mega 2560 is a microcontroller board based on the ATmega2560. It offers 54 digital I/O pins, 16 analog inputs, multiple serial ports, and is designed for complex projects requiring high I/O and memory. It is widely used in robotics, automation, IoT systems, and large-scale embedded applications.
Microcontroller Chip ATmega2560
Analog I/O Pins 16
Digital I/O Pins 54 (of which 14 provide PWM output)
Flash Memory 256 KB of which 8 KB used by bootloader
SRAM 8 KB
EEPROM 4 KB
DC Current per I/O Pin 40 mA
DC Current for 3.3V Pin DC Current for 3.3V Pin
Operating Voltage 5V
Input Voltage 7V to 12V
Input Voltage (limit) 6V-20V