Connect the VCC pin of the LCD screen adapter to a 5V pin on the NodeMCU. If the NodeMCU doesn't have a 5V pin, you may need an external power supply or a voltage regulator to supply the required ...
This video walks you through how to create a smart light switch using ESP32, a relay module, and the RemoteXY mobile app. You’ll learn how to build an IoT light switch using Wi-Fi, control your lights ...
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