Pro Mini 3.3V 8M 5V 16M atmega328 Replace ATmega128 for Arduino Compatible Nano
ARDUINO PRO MINI. 1 x ARDUINO PRO MINI. 5V 16M Crystal oscillator. Analog Input Pins 6. 8 analog inputs ports:A0 ~ A7. DC Current per I/O Pin 40 mA. 20 Digital input / output ports:TX, RX, D2 ~ D13, A0~A5.