Specification:
Microcontroller: ATmega2560 Operating voltage: 5V Input voltage (recommended): 7-12V Input voltage (limits): 6-20V Digital I / O pins: 54 (of which 14 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: 256 KB of which 4 KB used by bootloader SRAM: 8 KB EEPROM: 4 KB Clock Speed: 16MHz
