Keyestudio 328 WIFI PLUS main control board adopts two MCU including ATMEGA328 and esp8266, containing all functions of Arduino unoR3 and ESP8266development board.
The download function of the serial port is controlled by the toggle switch, and the codes of the two MCU can be burned separately by using a USB interface so that two development boards can be used alone or combined. It is very convenient when using.
Esp8266+Arduino UNO is suitable for the development of the Internet of Things, networking functions, and independent wireless network construction.