Arduino Mega 2560 Rev3 is a type of microcontroller based on the ATmega2560 microcontroller. It main component for controlling different circuits and devices that work in the human brain. Different memory units such as SRAM, EEPROM, and Flash memory are configured on this controller.
 
Technical Features of Arduino Mega 2560 Rev3
The technical features of the Arduino Mega 2560 Rev3 are discussed here
Microcontroller type: ATmega2560
Operating voltage: five volts
Input voltage: 7 to 12V
Input voltage (limit): 6 to 20V
Digital I/O pins: 54 (fifteen are PWM outputs)
Analog input pins: Sixteen
DC for single  I/O pinout: 20 milliamperes
DC for 3.3V pin: 50 milliamperes
Flash memory: 256 KB of which the bootloader uses 8 KB
SRAM: 8 kilobyte
EEPROM: 4 kilobyte
Clock speed: 16 Megahertz