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Simple metal detector circuit
Very simple metal detector circuit is given here, it uses Inductive proximity sensor. It has the…
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Mosquito repellent circuit
Simple mosquito repellent circuit given here, it uses timer IC555 and piezo buzzer element. This circuit…
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IC 555 as Amplifier
The IC 555 timer, often referred to simply as the “555” is a highly flexible and…
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Simple Mic circuit
Simple condenser mic circuit to convert Acoustic sound signal into electric audio signal. This Simple mic…
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