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This light activated remote switch circuit comes with a significant though small current drain in order of 15mA and must be turned off while not in use. On the other hand, when using the CMOS timer ...

You can add a second light switch anywhere in your house without wiring a new three-way switch thanks to smart home technology. This guide will show you what you need, and how to do this without ...

Using this shock proof remote switch circuit, you can control any AC/DC appliance remotely through inexpensive, low-voltage cabling and a standard push switch. The circuit can easily support cable ...

Fig. 2 illustrates the circuit diagram of the IR remote switch. The circuit is built around the TSOP1738 IR module (IR1), IC 4027 (IC1), two PNP BC558 transistors (T1, T2), a 5V SPDT relay, and a few ...