Pro Mini 3.3V/8M ATMEGA328 for Arduino

Tscinbuny Pro Mini 328 Mini 3.3V/8M ATMEGA328 ATMEGA328P-AU 3.3V/8MHz for Arduino Red Button Technical parameters:1. 14 digital input/output port RX and TX, D2 ~ D13,2. 8 analog input port A0 ~ A73. 1 To the TTL level a serial port to send and receive port RX/TX4. 6 a PWM port, D3, D5, D6, D9, D10, D115. Using Atmel Atmega328P - AU microcontroller6. Support serial download7. Support external 3.3 V ~ 12 V DC power supply8. Support 9 v batteries9. 16 MHZ clock frequency