Features : * Microcontroller: ATmega328P * Operating voltage: 5V * Input voltage (recommended): 7-12V * Input voltage (limit values): 6-20V * Digital I / O Pin 14 (6 of them provide PWM output) * PWM Digital I / O Pinlar: 6 * Analog Input Pin: 6 * DC current per I / O Pin: 20 mA * 3.3V Pin DC current: 50mA * Flash Memory 32 KB (ATmega328P) which is used by the 0.5 KB bootloader * SRAM: 2 KB (ATmega328P) * EEPROM: 1 KB (ATmega328P) * Clock Speed: 16 MHz * Length: 68.6 mm * Width: 53.4 mm