1PCS Mini ATMEAG328 3.3V 8Mhz Replace ATmega128 For Arduino Pro Mini Compatible 711717658193 | eBay

14 digital input/output port RX, TX, D2 ~ D13. 8 analog input port A0 ~ A7. 1 to TTL level port RX/TX. 6 PWM port, D3, D5, D6, D9, D10, D11. Color: as pictures. | eBay!