-Microcontroller: ATmega328
-Operating Voltage: 5V
-Input Voltage (recommended): 7-12V
-Input Voltage (limits): 6-20V
-Digital I/O Pins: 14 (of which 6 provide PWM output)
-Analog Input Pins: 6
-DC Current per I/O Pin: 40 mA
-DC Current for 3.3V Pin:50 mA
-Flash Memory: 32 KB (ATmega328) of which 0.5 KB used by bootloader
-SRAM: 2 KB (ATmega328)
-EEPROM: 1 KB (ATmega328)
-Clock Speed: 16 MHz