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Newly Updated Circuit Projects:

High Current Wireless Battery Charger Circuit

Last Updated on May 17, 2026 by Swagatam 59 Comments

wireless

In this article I have explained regarding how to design and make your own customized high current wireless battery charger circuit using wireless power transfer concept. Introduction In many of my earlier articles I have comprehensively discussed wireless power transfer, in this article we will go a step ahead and try to learn how to […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charger, Current, High, Wireless

Clap Operated Toy Car Circuit

Last Updated on July 25, 2019 by Swagatam 9 Comments

clap2Bmotor

In this post we study how to make a simple clap operated toy car circuit using a clap switch circuit and a MIC amplifier, to control its forward and reverse movements,  in response to the claps of the user. The idea was requested by Mr, Zeeshan. This clap operated toy car is will move in […]

Filed Under: Sensors and Detectors Tagged With: Clap, Operated

Make this Simple Weather Station Project for Homes and Offices

Last Updated on May 14, 2026 by Swagatam 6 Comments

In this post I will show how to construct an interesting Arduino based mini weather station project, which can show you ambient temperature, humidity, pressure, air quality and much more data from your surroundings, which can be used to predict weather from home. If you are interested in meteorology this project might come in handy […]

Filed Under: Arduino Projects, Sensors and Detectors Tagged With: Homes, Offices, Project, Simple, Station, Weather

How to Build a Simple Cloth Dryer for Rainy Season

Last Updated on May 28, 2026 by Swagatam 12 Comments

cloth1

In this post I have explained a simple homemade electric cloth dryer circuit using iron heater coil assembly which can be used for drying clothes at home during rainy season or overcast conditions. The idea was requested by Mr. Nelson. Circuit Objectives and Requirements I have read through some of the topics explained at your […]

Filed Under: Home Electrical Circuits Tagged With: Build, Cloth, Dryer, Rainy, Season, Simple

Charging Battery with Piezo Mat Circuit

Last Updated on June 30, 2026 by Swagatam 15 Comments

piezo

In this post I have explained a method to harvest free electricity from a  piezo embedded mat by walking on it, and try to investigate how this energy may be used for charging a small battery. Normally a human body carries a huge amount of energy which simply gets wasted in our regular day to […]

Filed Under: Energy from Magnets and Earth Tagged With: Battery, Charging, Piezo

Electronic Engine Speed Governor Circuit

Last Updated on June 30, 2026 by Swagatam 27 Comments

In this post I have explained an electronic engine speed governor or controller circuit using an RPM feedback signal loop through a hall effect sensor network. The idea was requested by Mr. Imsa Naga. Circuit Objectives and Requirements Thank you very much for your time. I believe this circuit would be suitable for a single […]

Filed Under: Motor Controller Tagged With: Electronic, Engine, Governor, Speed

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