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The Arduino Mega 2560 R3 is a powerful open-source microcontroller board based on the ATmega2560 chip. It is designed for advanced projects requiring more input/output pins and memory than standard Arduino boards. Featuring 54 digital I/O pins, 16 analog inputs, and 4 hardware serial ports, it supports complex sensor and actuator integration. The board includes additional SDA, SCL, and IOREF pins for improved shield compatibility and future expansion. Running at 16 MHz, it is easy to program via USB and works seamlessly with most Arduino shields, making it ideal for robotics, automation, and large-scale embedded applications.

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