PIR Burglar Alarm Circuit
PIR sensor (Passive Infrared sensor) widely used in motion detection applications and security based applications, the…
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Binary Counter Circuit Diagram
Binary counter circuit diagram has many applications and widely used in digital electronics and counter circuits.…
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Darkness Detector Circuit
Darkness detector circuit can be used as a alarm circuit or as a watchdog circuit and…
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Simple Touch Switch Circuit
To Sense the touch event we don’t need complex circuits or micro controllers, we can sense…
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SHT31 Arduino Interface
Various Sensors are available to sense humidity and temperature but when we need small size and…
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BH1750 Sensor Arduino Interfacing
Ambient Light Sensors are used in lighting and image related applications, BH1750FVI is an digital Ambient Light…
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LDR Switch Relay Circuit
This LDR switch relay circuit eliminates the physical contact with electrical appliance switch, consider the bath…
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Arduino DAC Tutorial
To give more power to Arduino board DAC (Digital to Analog Converter) interfaced through breakout board…
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LASER diode driver circuit
LASER is Light Amplification by Stimulated Emission of Radiation and laser diodes are widely used in…
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Frequency Divider Circuit
Frequency divider circuits are takes important place in digital logic circuits and some analog multiplex circuits,…
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