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Using this optical remote switch, you can switch on/off any electrical or electronic load. Like any remote control system, it has a mini transmitter unit (Fig. 1) and a receiver unit (Fig. 2) to ...

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 ...

This remote controlled switch circuit can control AC loads such as lights, fans etc through the remote handset of TV. It uses the 555 timer in the bistable mode. In the bistable mode output IC555 ...

[Vadim] chose an ATtiny2313 to handle the RC-5 IR protocol and switch the light. The circuit still has a switch to manually control the lights, preserving the original functionality of the light ...

We frequently get home automation tips, many of which have simple circuit-based on/off control for lights. [Paulo Borges] has created something quite different, however, with his in-the-wall servo-… ...

Remote operated switch circuit. IR receiver module TSOP 1738 (IRX1) is used to sense the pulsed 38kHz IR rays from the TV remote handset. The IR receiver module has a PIN photodiode and a preamplifier ...