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Built around ATmega 2560 @ 16MHz Massive GPIOs: 70 digital I/Os, 16 Analog input and 4 UART etc Small form factor, 30% smaller than Arduino Mega 3.3V and 5V dual mode Can be powered through a battery or through a AC to DC adaptor

Seeeduino Mega is a powerful micro-controller derived from Arduino Mega. It features ATmega2560 processor which brings a large number of I/O pins, as much as 70 digital I/O, 16 analog inputs, 14 PWM, and 4 hardware serial ports. Compared to Arduino Mega, we shrunk the volume of Arduino Mega by at least 30% and made it 100% compatible with Seeed Shield products. And as a member of Seeeduino series, Seeeduino Mega inherits deliberate details from Seeeduino, like selectable operating voltage(3.3V/5V), right angle reset button, and so on.


  • ATmega 2560 @ 16MHz

  • Selectable 5V/3.3V operation

  • 70 Digital IO

  • 16 Analog inputs

  • 14 PWM outputs

  • 4 Hardware serial ports (UART)

  • Compatible with most Arduino Duemilanove and Diecimila Shields

  • Small form factor, 30% smaller than Arduino Mega

  • Easy to program, no additional hardware is required to load firmware – just plug to a USB port and you’re good to go.

  • ICSP Header

  • Can be powered through a battery or through a AC to DC adaptor

An Open Software Ecosystem

We recognize that each project has different requirements and goals. As such we have worked to provide as much flexibility to developers as possible. Our quad-core solution allows us to run numerous software solutions. From the selection of algorithms, NLP services, smart assistants, operating systems, and more, we wish to support our users. If you have suggestions on what services you would like to see us officially support let us know on our forums, or if you enjoy the work yourself, submit a merge request to our github.

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