•Microcontroller: Atmel ATmega328
•Operating voltage (logic level): 5V
•Input voltage: 7 - 12V
•Input voltage (limit): 6 - 20V
•Digital I/O pins: 14 (6 PWM)
•Analog input pins: 8
•DC current per I/O pin: 40mA
•Flash memory: 32 KB (ATmega328) of which 2 KB used by bootloader
•SRAM: 2 KB (ATmega328)
•Clock speed: 16MHz
•Dimensions: 0.73" x 1.70"
•Length: 45mm
•Width: 18mm