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Newly Updated Circuit Projects:

How to Generate Electricity from Road Speed Breakers

Last Updated on May 20, 2026 by Swagatam 17 Comments

speed breaker electricity generation

Free Energy is available all around us in a variety of different forms, it just needs to be appropriately harnessed and used. One such example is our modern streets and roads where thousands of heavy and small vehicles pass everyday non-stop. Electricity from Roads The amount of energy transferred across the roads by these vehicles […]

Filed Under: Energy from Magnets and Earth Tagged With: Breakers, Electricity, Generate, Road, Speed

Remote Controlled Wireless Water Level Controller Circuit

Last Updated on May 1, 2020 by Swagatam 164 Comments

remote control water level control

For multi-storey buildings where water tanks could be at considerable heights over building terraces, monitoring the levels automatically could become a major issue. RF remote control modules have become pretty cheap nowadays which could be effectively used for solving the inconvenience. I have explained how to make and install a wireless water level controller circuit […]

Filed Under: Remote Control Circuits, Water Controller Tagged With: Controlled, Controller, Level, Remote, Water, Wireless

Earth Leakage Indicator Circuit for Detecting Current Leakages in Ground Wires

Last Updated on July 30, 2019 by Swagatam 75 Comments

earth leakage indicator circuit

A simple earth leakage indicator circuit discussed here can be used for getting some very useful results regarding current leakages from an appliance body into the earth pin. The idea was requested by Mr. SS kopparthy. The circuit of the proposed earth leakage indicator is shown in the figure below. Each such unit may be […]

Filed Under: Security and Alarm Tagged With: Current, Detecting, Earth, Indicator, Leakage, Leakages

AC Phase, Neutral, Earth Fault Indicator Circuit

Last Updated on July 30, 2019 by Swagatam 22 Comments

The circuit explained here will provide LED indications and show if there’s a possible fault in the wiring of your home AC Phase, Neutral, and Earth connections. The idea was requested by Mr. SS kopparthy. Technical Specifications sir, very good morning. I thank you for your help. I further wanted you to consider a circuit […]

Filed Under: Sensors and Detectors Tagged With: AC, Earth, Fault, Indicator, Neutral, Phase

Microcontroller Basics Explored

Last Updated on May 14, 2026 by Swagatam 9 Comments

microcontroller pinout

One thing is great about microcontroller ICs, these are available almost in all parts of the globe and electronic retailers. Introduction Fundamentally microcontroller devices are popularly used in applications involving assessments of the surrounding environment and in similar electronics. You could find these devices being used for displaying a certain parameter, in motor control applications, […]

Filed Under: Arduino Projects Tagged With: Basics, Explored, Microcontroller

Multiple Appliances Remote Control Circuit

Last Updated on November 26, 2023 by Swagatam 82 Comments

remote pressing

In this post I have explained a simple IR remote control circuit which can be used for controlling many appliances independently through a single transmitter handset. The idea employs ordinary components like IC LM567, IC 555 and does not incorporate microcontroller devices. The idea was requested by Mr. Saeed Abu and also other dedicated readers […]

Filed Under: Remote Control Circuits Tagged With: Appliances, Control, Multiple, Remote

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