PIR Sensor with Arduino
The PIR (Passive Infrared) sensor widely used for motion detection applications. This is suitable for low…
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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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Simple Rain detector alarm circuit
Single transistor Rain detector alarm or water drop detector alarm, We can use this circuit any…
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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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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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12V battery level monitor Circuit
This circuit contains LM3914 ic, it is also called as dot/bar display driver. It sense magnitude…
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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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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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