diymore 5pcs Pro Mini ATmega328P 3.3V 8M Module Board with Crystal Oscillator Pins Replace ATmega128
<b>Specification:</b><br> Supports auto-reset<br> Clock frequency: 8MHz<br> 8 analog input ports A0 ~ A7<br> Support 9V battery power supply<br> 6 PWM ports, D3, D5, D6, D9, D10, D11<br> Atmel Atmega328P-AU microcontroller<br> 1 TTL level serial port transceiver port RX / TX<br> 14 digital input / output ports RX, TX, D2 ~ D13<br> Support external 3.5V ~ 12V DC power supply (using RAW and GND power port)<br><br> <b>Package Included:</b><br> 5X Pro Mini ATmega328P 3.3V 8M Development Board with Pin Headers