It configures WiFi and serial parameters based on Web Server. The serial port of the shield is controlled by a dual-dial switch, so that it can be used alone as an Arduino MCU expansion board or as an ESP8266 shield. Meanwhile, it uses the voltage conversion chip when connecting the Arduino MCU, which compatibles with 3.3V and 5V. The pin is compatible with the main control board such as Arduino Uno and Mega2560. It is ESP-13 with metal shield, with strong anti-interference ability. The keyestudio ESP13 shield is particularly designed for Arduino microcontrollers to connect the WiFi. Nowadays, WiFi is seen everywhere in our daily life and Arduino microcontrollers are getting more and more popular.
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