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Make this Home Security Project Using Arduino – Tested and Working

Last Updated on December 5, 2024 by Swagatam 2 Comments

Scan 6

In this article we are going to see how to build a home security system circuit using arduino which might save your home from intruders one day. Housebreaking happens every few seconds in the world. By the time you read this sentence, crooks already broke into someone’s house. A golden rule: Prevention is better than […]

Filed Under: Arduino Projects Tagged With: Arduino, Home, Project, Security, Tested, Working

Induction Heater Circuit Using IGBT (Tested)

Last Updated on January 24, 2024 by Swagatam 233 Comments

In this post I will comprehensively discuss how to build a high power 1000 watt induction heater circuit using IGBTs which are considered to be the most versatile and powerful switching devices, even superior to mosfets. Induction Heater Working Principle The principle on which induction heating works is very simple to understand. A magnetic field […]

Filed Under: Temperature Controllers Tagged With: Heater, IGBT, Induction, Tested

Simple Mobile Phone Detector Circuit [Tested]

Last Updated on December 13, 2024 by Swagatam 162 Comments

RFsensor

A cellphone or mobile phone detector is actually a high gain op amp amplifier which detects slightest of RF disturbance from a mobile phone, and illuminates an LED. Mobile phones today being the major generator of RF interference is easily picked up by this circuit and can be seen through an LED illumination at the […]

Filed Under: Sensors and Detectors Tagged With: Detector, Mobile, Phone, Simple, Tested

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

3 Tested 220V High and Low Voltage Cut OFF Circuits Using IC LM324 and Transistors

Last Updated on January 19, 2024 by Swagatam 176 Comments

over2Bvoltage2Bprotector

An AC mains high/low cut-off device will cut off or disconnect the mains supply from home electrical whenever a high voltage or low voltage situation is detected. In this way it ensures total safety to the home wiring and appliances from fire hazards, due to abnormal over voltages, brown outs or low voltages. In this […]

Filed Under: Voltage Control and Protection Tagged With: 220V, Circuits, High, OFF, Tested, Voltage

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