Someone said he wanted a remote controlling unit that the transmitter was to function as a switch to the receiver activated by supplying a 12V DC current to the transmitter (switch it on). The receiver then permited a 12V DC current to be supplied to a designated appliance. When the transmitter was shut off the receiver would shut down.
According to the picture above, he wants the transmitter can be activated by manual switch and turn receiver on/off when the current in that circuit is on/off. First, the transmitter is supposed to be connected to power supply and that manual switch. Second, designated appliance should be connected to receiver.
We prepare a demonstration for this practical use.
We switch on the manual switch and the transmitter will send an “ON” signal to the receiver. The receiver receives the signal to instruct the light to turn on. We switch off the manual switch and the transmitter will send an “OFF” signal to the receiver. The receiver receives the signal to instruct the light to turn off.
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