5Pcs Arduino Compatible 5V 16M Pro Mini Microcontroller Board Improved AtMega328P 328

Specification:

14 Digital input / output port: RX， TX， D2 - D13
8 analog inputs: A0 - A7
1 pairs of ports TTL level serial transceiver: RX / TX
6 PWM ports: D3， D5， D6， D9， D10， D11
Using Atmel AtMega328P-AU MCU
Support serial download
Support for external 3.3V - 12V DC power supply
Support 9V battery supply
Clock frequency: 16MHz
Size: 33.3 x 18.0mm
Circuit voltage: 3.3 V
Standard power supply: 5V

Note:

If you fail to use bootloader， you can follow the steps of review from customer Mattias Schlenker

Package included:

5 x Pro mini microcontroller circuit board with pins