Flasher Circuit using NE 555

admin October 30, 2018 30 Comments
In this project, we’re building a simple Lamp Flasher circuit using NE 555. A lamp flasher is nothing but a lamp dimmer circuit – where the lamp is turned ON/OFF at set frequency or time intervals. We’ve designed this...
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Touch Switch Circuit

admin October 30, 2018 33 Comments
In this project guide, we’re building a Touch Switch Circuit using NE 555 IC. As you know, NE/SE 555 is a very popular timer IC with multiple applications in different projects. A touch switch is basically a simple switching...
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Melody Generator using IC UM66

jacky October 17, 2018 25 Comments
Melody Generator Circuit This is a simple project using the IC UM66. UM66 has an inbuilt beat and tone generator. This IC, with its three legs, looks like a transistor. This IC has many versions for playing different songs/beats....
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InfraRed (IR) Sensor/Detector Circuit

jacky November 6, 2018 11 Comments
InfraRed (IR) Sensor/Detector Circuit Description The IR circuit described below is mainly designed for liquid level detection or proximity detection. The IR sensors used here are an IR LED and an IR photo diode. The circuit operates by detecting the...
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Simple Water Level Indicator

jacky November 6, 2018 271 Comments
Water Level Indicator Description This is the circuit diagram of a simple corrosion free water level indicator for home and industries. In fact, the level of any conductive non-corrosive liquids can be measured using this circuit. The circuit is...
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Fridge Door Open Alarm

jacky November 3, 2018 11 Comments
Fridge Door Open Alarm Circuit Description A fridge door open alarm circuit is explained with its detailed working and circuit. The objective of this circuit is to produce an audible alarm when fridge is left open for more than...
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Automatic LED Emergency Light Circuit

admin October 23, 2018 327 Comments
LED Emergency Light An Automatic LED Emergency Light circuit is designed to turn ON when there is no adequate lighting or if the power supply is cut-off. Earlier fluorescent lights were used to build such circuits. But the use...
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