Simple condenser mic circuit to convert Acoustic sound signal into electric audio signal. This Simple mic…
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LED flasher circuit
Simple LED flasher circuit by suing Single IC LM3909. The LM3909 is a monolithic oscillator specifically…
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Light Fence circuit
Simple Light Fence circuit and this circuit can be used for security purpose, by implementing light…
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Variable LED flasher
This is single IC LM3909 variable LED flasher circuit, and it needs only 1.5 volts for operation,…
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Monostable multivibrator
Simple Monostable multivibrator circuit designed by using timer IC 555. Components List S.No Name Quantity 1.…
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Astable multivibrator
Simple Astable multivibrator circuit designed by using timer IC 555. Components List S.No Name Quantity 1.…
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Emergency LED light circuit
Easy to construct Emergency LED light circuit, This Portable emergency LED lamp circuit designed with simple…
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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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