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Newly Updated Circuit Projects:

High Current Adjustable Switching Power Supply Circuit using L296 IC

Last Updated on October 13, 2024 by Swagatam 12 Comments

L296 high current adjustable switching power supply circuit

The L296 is a monolithic power switching regulator IC, incorporating an adjustable output voltage, current limiting, and thermal shutdown. Due to these features, this IC has become a favorite option for a many different applications such as bench power supplies, battery chargers, and motor controllers. The IC L296 will be used in this circuit to […]

Filed Under: Power Supply Circuits Tagged With: Adjustable, Current, High, Power, Supply, Switching

Non Contact AC Phase Detector Circuit [Tested]

Last Updated on October 12, 2024 by Swagatam 52 Comments

noncontactacsensor

The circuit discussed in this article is of a non-contact mains AC field detector which displays the presence of a mains AC field from a distance of more an 6 inches. Locating Fault in AC Lines without Physical Contact The circuit can be used for locating faults in house wiring without the need of making […]

Filed Under: Sensors and Detectors Tagged With: AC, Contact, Detector, Phase, Tested

Laser Activated GSM Call Alert Security Circuit

Last Updated on October 2, 2024 by Swagatam 55 Comments

simple2Bdelay2BON2Bcircuit

In this post I have explained a simple laser GSM call alert security circuit which immediately calls the master as soon as an intruder is detected through a laser beam interruption. The idea was requested by Mr. Roldan. Circuit Objectives and Requirements I am not an electronic engineer, but I can manage to troubleshoot minor […]

Filed Under: Security and Alarm Tagged With: Activated, Alert, Call, GSM, Laser, Security

Simple Digital Clock using LM8650 IC Circuit

Last Updated on September 30, 2024 by Swagatam 66 Comments

largedigitalclockcircuit

The digital time clock explained here is a circuit which most electronic amateurs would love to make. You might have heard about digital clocks made from clock ICs such as the popular LM8361, MM5387 etc but these ICs could be today quite obsolete and/or complex to build. Circuit Operation The present design is much easier […]

Filed Under: Sensors and Detectors Tagged With: Clock, Digital, LM8650, Simple

5 Useful Motor Dry Run Protector Circuits Explained

Last Updated on September 22, 2024 by Swagatam 272 Comments

motor2Bdry2Brunning2Bpreventor2Bcircuit

The 5 simple dry run protector circuits presented here shows simple methods by which  insufficient water conditions inside an underground tank can be sensed without introducing probes inside the underground tank, and thus preventing any possibility of motor dry running. The circuit also incorporates an overhead water overflow control feature. The idea was requested by […]

Filed Under: Water Controller Tagged With: Circuits, Explained, Motor, Protector, Useful

Security Alarm Circuit using RCWL-0516 Microwave Radar Sensor

Last Updated on August 22, 2024 by Swagatam 9 Comments

microwave radar intruder security alarm circuit

This security alarm circuit using RCWL-0516 microwave radar motion sensor will detect any moving thing in the restricted area and turn ON an alarm sound. The RCWL-0516 is basically an advanced motion sensor using microwave radar signals. I have already discussed the working of RCWL-0516 elaborately, which you can read for more details. Circuit Description The […]

Filed Under: Security and Alarm Tagged With: 0516, Alarm, Microwave, Radar, RCWL, Security

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