Arduino mega-development board
Microcontroller – ATmega2560
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 the 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