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