We can create Emergency Fan Circuit which will helps in multiple tasks by using 9V DC…
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hobby electronic circuits
Clap Switch Circuit with Relay
If you want to design a Switch circuit to turn ON and turn OFF without reach…
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Door Knob Touch Alarm Circuit
Simple Door Knob Touch Alarm Circuit is constructed by using timer IC 555 and few easily available…
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Fire Alarm Circuit
Simple Fire Alarm Circuit designed by using 10K NTC (Negative Temperature Coefficient) Thermistor and timer IC…
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Water Level Indicator Alarm
Water is very precious thing and we need to conserve adequately and should ensure proper water…
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Non Contact AC Voltage Detector Circuit
By using this simple Non Contact AC Voltage Detector Circuit we can identify the presence of AC…
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Broken Wire Detector Circuit using CD4069
Identifying & Locating the broken wire Inside wall or inside plastic insulation is very difficult, Here…
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Metal Detector Circuit
Simple metal detector circuit is Implemented by employing IC CS209A from cherry semiconductor (now its on…
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Simple LED Flasher Circuit
Simple LED flasher circuit can be designed by using timer IC 555, as we know the…
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Lie Detector Circuit
Simple two transistor based lie detector circuit is just a fun electronic circuit, some times works…
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