MEGA 2560 R3

Arduino Mega 2560  is an open source precise microcontroller board Successor to the Arduino Mega 2560 based on the ATmega2560 SMD chip .The  Mega 2560 R3 also 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 allow the shields to adapt to the voltage provided from the board. The other is a not connected 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.

This Board has 54 digital input/output pins (of which 15 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. Using the board is also very easy, simply connect it to a computer with a USB cable or power it with DC adapter or battery to get started. The Mega 2560 R3 board is compatible with most shields designed for Arduino Uno board.

Weight 40 g
Dimensions 101 × 55 × 20 cm
Main Chip

ATmega2560

Operating Voltage

5V

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

Built In LED Pin

13

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