HiLetgo 3pcs Pro Mini Atmega328P 5V/16MHz Development Board Compatible with Arduino pro Mini;

Description:
Great little Pro mini development board. Well built and nice and small development board for DIY projects. Works with Arduino software perfectly and comes with bootloadered.

Tip
You will need a usb to serial converter chip/board to program this.

Parameters:
Main Chip: Atmega328P-AU
14 digital input / output port: RX, TX, D2 D13
8 analog input ports: A0 ~ A7
1 pair TTL level serial transceiver port: RX / TX
6 PWM ports: D3, D5, D6, D9, D10, D11
Clock frequency: 16MHz
Dimension: 18mm*33mm approx.

Packing included:
3* PRO Mini Atmega328 Development Board 5V/16MHz
1* Pin Header Kit