Main Power Interruption Alarm
This main power interruption alarm circuit constructed with few simple components and…
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Main power supply Indicator circuit
This circuit provides the status about the presence of main power supply through visual and audible…
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Over voltage protection switch circuit
This Over voltage protection switch circuit constructed with TL431 adjustable shunt…
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Power saver circuit using PIR sensor
Many times we forgot to turn off some home appliances when it not…
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Remote alarm for smoke detector
This remote alarm for smoke detector circuit is an application note from…
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RF signal detector circuit
This circuit can be used to detect the RF signal and electromagnetic…
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Tracking transmitter circuit diagram
This tracking transmitter circuit can be used for to track and identify…
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IR remote control circuit for home appliances
Here we present a circuit to control any home appliances through IR remote control, you can…
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Simple continuity tester circuit diagram
This simple continuity tester circuit constructed with single npn switching transistor SL100, this circuit will give…
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Audio Power Amplifier Circuit diagram
Simple 5.8W Audio power amplifier circuit designed with very few external parts, this circuit…
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