ATMEGA328P Pro Mini 328 Mini ATMEGA328 5V/16MHz with Pin Header for arduino

Parameters

1. 14 digital input / output port RX, TX, D2 to D13;
2. 8 analog input ports A0 ~ A7;
3. 1 pairs TTL level serial transceiver port RX / TX;
4. 6 PWM port, D3, D5, D6, D9, D10, D11;
5. Atmel Atmega328P-AU microcontroller;
6. Supports serial download;
7. Support for external 3.3V ~ 12V DC power supply;
8. Support 9V battery power;
9. Clock frequency of 16MHz;
10. Size: 33.3 * 18.0 (mm).