•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: 128 KB of which 4 KB used by bootloader
•SRAM: 8 KB
•EEPROM: 4 KB
•Clock Speed: 16 MHz