ITEM NAME:Pro Mini ATMEGA328P 328 Mini ATMEGA328 5V 16MHz for arduino Nano Control BSEAU The professional Mini Pro is a microcontroller circuit board. It has 14 digital I / O pins (6 of which can be used as PWM outputs), 8 analog inputs, a 16 MHz resonator, a reset button, and mounting hole pins. Technical parameters: 1. 14 digital I / O ports Rx, TX, D2 ~ D13, 2. 8 analog input ports A0 ~ A7 3. 1 pair of TTL level serial port Rx / TX 4.6 PWM ports, D3, D5, D6, D9, D10, D11 5. ATMEL atmega328p-au MCU is used 6. Support serial port download 7. Support external 3.3V ~ 12V DC power supply 8. Support 9V battery power supply 9. Clock frequency 16mhz 10. Size: 33.3 * 18.0 (mm) Package included: 1Pc.Clock frequency 16mhz. It has 14 digital I / O pins (6 of which can be used as PWM outputs), 8 analog inputs, a 16 MHz resonator, a reset button, and mounting hole pins. Support serial port download.