Arduino Mega 2560 Rev3 - A000067

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Arduino Mega2560 Board

The Arduino Mega 2560 is a microcontroller board based on the ATmega2560. 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. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. The Mega is compatible with most shields designed for the Arduino Duemilanove or Diecimila.


  • Microcontroller- ATmega2560
  • Operating Voltage- 5V
  • Input Voltage (recommended)- 7-12V
  • Input Voltage (limits)- 6-20V
  • Digital I/O Pins- 54 (of which 14 provide PWM output)
  • Analog Input Pins- 16
  • DC Current per I/O Pin- 40 mA
  • DC Current for 3.3V Pin- 50 mA
  • Flash Memory- 256 KB of which 8 KB used by bootloader
  • SRAM- 8 KB
  • EEPROM- 4 KB
  • Clock Speed- 16 MHz


  • Microcontroller:   ATmega32U4
  • Operating Voltage:   5V
  • Input Voltage (recommended):   7-12V
  • Input Voltage (limit):   6-20V
  • Digital I/O Pins:   54 (of which 15 provide PWM output)
  • Analog Input Pins:   16
  • DC Current per I/O Pin:   20 mA
  • DC Current for 3.3V Pin:   50 mA
  • Flash Memory:   256 KB of which 8 KB used by bootloader
  • SRAM:   8 KB
  • EEPROM:   4 KB
  • Clock Speed:   16 MHz
  • LED_BUILTIN:   13
  • Length:   101.52 mm
  • Width:   53.3 mm
  • Weight:   37 g
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