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Arduino Compatible Mega 2560 R3 Board

The new Mega 2560 R3 includes all the features of the previous R2 board, but now uses an ATMega16U2 instead of the ATMega8U2 chip. This allows for faster transfer rates and an increase in memory. No drivers are needed for Linux or Mac (inf file for Windows is needed and included in the Arduino IDE). It also gives you the ability to have the Mega show up as a keyboard, mouse, joystick, etc.

We use these Arduino compatible boards here in the shop on a daily basis so we can attest to their high quality and usability first hand.

Product No. MXN5JGTL
List Price: 50.00 USD
Price: 28.00 USD
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The Mega 2560 R3 adds SDA and SCL pins next to the AREF. In addition, there are two new pins placed near the RESET pin. One is the IOREF that allows the shields to adapt to the voltage provided from the board. The other is a non connected pin and is reserved for future purposes. The Mega 2560 R3 works with all existing shields but can adapt to new shields which use these additional pins.

Revision 3 of the board has the following new features:

  • 1.0 pinout: added SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allows the shields to adapt to the voltage provided from the board. In future, shields will be compatible both with the board that use the AVR, which operate with 5V and with the Arduino Due that operate with 3.3V. The second one is a non connected pin, that is reserved for future purposes.
  • Stronger RESET circuit.

Description

Microcontroller: ATmega2560

Operating Voltage: 5V

Input Voltage (recommended): 7-12V

Input Voltage (limits): 6-20V

Digital I/O Pins: 54 (of which 15 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