New Improved version Pro Mini Atmega328P 5V / 16MHz For Electronic blocks Interactive Media 100% brand new Details:The professional version ... 14 digital input / output pins (of which 6 can be used as PWM outputs), 8 analog inputs, a 16MHz resonator, a ... , D10, D115. Atmel Atmega328P-AU microcontroller6. Supports serial download7. Support for external 3.3V ~ 12V DC power supply8. To support 9V ...