New Improved version Pro Mini Atmega328P 5V / 16MHz For Electronic blocks Interactive Media 100% brand ... which 6 can be used as PWM outputs), 8 analog inputs, a 16MHz resonator, a reset button, mounting ... output port RX, TX, D2 to D132.8 analog input ports A0 ~ A7Of 3.1 pairs TTL ... . Atmel Atmega328P-AU microcontroller6. Supports serial download7. Support for external 3.3V ~ 12V DC power supply8. To ...