This simple continuity tester circuit constructed with single npn switching transistor SL100, this circuit will give…
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Simple FM transmitter
Simple FM transmitter circuit made with few easily available components, This Frequency Modulation reaches several meters…
Continue ReadingIC 555 Based Touch Alarm
IC 555 used in many simple and useful circuits, every electronics hobbyist may surely tried IC…
Continue ReadingSimple PIR sensor circuit
To detect movement or motion of person the simple PIR (Passive InfraRed) circuit can be used,…
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