Features:
• 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)EEPROM1 KB (ATmega328).
• Clock Speed: 16 MHz.