Knock? Knock! did you hear that sound, now you can add sound detection to your Arduino…
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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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Clap switch circuit using IC 555
This Clap switch circuit using IC 555 is a hobby circuit, makes LED to glow while you…
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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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Simple FM transmitter
Simple FM transmitter circuit made with few easily available components, This Frequency Modulation reaches several meters…
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