Basic Remote Tester

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Test your remote control of TV, DVD, VCD etc with this circuit. There is an infra-red sensor TSOP4838. When this sensor gets infrared signal, the voltage at its VO pin drops and that triggers the BC557 transistor. At each trigger signal, BC557 glows the LED. Thus, you can see the response of your remote control signal.

 

Download “ckt diagram” circuit_of_occupancy_light_indicator.png – Downloaded 48 times – 127 KB

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