Nano Atmega168 controller compatible for Arduino nano Atmega168PA-AU CH340 CH340C replace CH340G USB driver

Technical parameters:

1. 20 digital input/output port RX and TX, D2 ~ D13, A0 ~ A5

2. 8 analog input port A0 ~ A7

3. 1 to the TTL level a serial port to send and receive port RX/TX

4. 6 PWM port, D3, D5, D6, D9, D10, D11

5. Using Atmel Atmega168P-AU microcontroller

6. Support serial download and ISP download

7. Support external 3.3V ~ 12V dc power supply

8. Support the Li-ion polymer batteries while direct connecting Vcc Pin

9. 16 MHZ clock frequency