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    ESP8266-01 Relay Board


    This board is built specifically for the ESP8266 WiFi module. It allows you to control all kinds of devices over the Internet from the wildly popular ESP8266-01 Module. Simply power up and program the board.

    • Board size: 45 * 28 mm
    • Board function description:
    • IN +, IN-: 5V power input;
    • TX, RX, GND: Serial debug pin
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