The advantage of a bistable relay is that it remains in its state when its power supply is no longer provided. When you search for a bistable relay module, you will often notice that the relay ...
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In this post we are reviewing the ESP-01 Wi-Fi Relay Module. It is one of the cheapest smart switches you can purchase currently for making smart home, internet of things, and other wireless do it ...
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 ...
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