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Newly Updated Circuit Projects:

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

Timer Controlled Fitness Gym Application Circuit

Last Updated on December 28, 2018 by Swagatam 26 Comments

carturnsignalbargraphcircuit

In this post I have explained how to make a timer circuit for fitness, or gym workout application. The idea was requested by Mr. Jan. Circuit Objectives and Requirements I need a circuit diagram for a timer which is used in a fitness gym. It consists out of 5 x incandescent (5 channels) 220V colored […]

Filed Under: Timer and Delay Relay Tagged With: Application, Controlled, Fitness, Timer

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