IN - This pin is also called the control pin because it is used to control the output of the relay. COM - is connected to the device you intend to connect. NC - terminal is connected to the COM ...
In this Lora IoT project tutorial, I have shown how to make the LoRa Arduino ESP8266 control relay from the Blynk IoT platform with real-time feedback. Explained this ESP8266 Arduino Lora IoT-based ...
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