Digital I/O digital input/output terminal: 0~13.

Analog I/O Analog input/output terminal: 0~5.

Support USB interface protocol and power supply (without external power supply).

Support ISP download function, support MCU TX/RX terminal.

Support AREF terminal

Support six sets of PWM terminals (Pin11, Pin10, Pin9, Pin6, Pin5, Pin3)

Input voltage: no need for external power supply or external 7V~12V DC input when connected to USB

Output voltage: 5V DC output and 3.3V DC output and external power input

Using Atmel Atmega328P-PU MCU

Arduino size: length 70mm X width 54mm

8 groups of digital signal interfaces, 6 groups of analog signal interfaces, IIC interfaces, serial communication interfaces, and a motor drive interface.

CH340 USB to TTL chip driver