Arduino Mega

The Arduino MEGA 2560 is designed for projects that require more I/O lines, more sketch memory and more RAM. With 54 digital I/O pins, 16 analog inputs and a larger space for your sketch it is the recommended board for 3D printers and robotics projects. This gives your projects plenty of room and opportunities maintaining the simplicity and effectiveness of the Arduino platform.

Microcontroller - ATmega2560
Operating Voltage - 5V
Input Voltage (recommended) - 7 to 9VDC
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