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…
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IC 555 Based Touch Alarm
IC 555 used in many simple and useful circuits, every electronics hobbyist may surely tried IC…
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Simple PIR sensor circuit
To detect movement or motion of person the simple PIR (Passive InfraRed) circuit can be used,…
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