Operating Voltage (logic level): 5V

8 analog inputs ports: A0 ~ A7

14 Digital input / output ports: TX, RX, D2 ~ D13

1 pair of TTL level serial transceiver ports RX / TX

Using Atmel Atmega328P-AU MCU

There is a bootloader installed in it

Standard 0.1” spacing DIP (breadboard friendly).

Manual reset switch.

Driver CH340 to be installed