Automatic Stopwatch Circuit for Runners

Jan 31, 2017

In this post we are going to construct a stopwatch which automatically starts timer when the runner begins to run and the timer stops when the runner reaches the end. The elapsed time between starting and ending point is displayed on a 16 x 2 LCD.

High Current Wireless Battery Charger Circuit

Jan 29, 2017

In this article we learn regarding how to design and make your own customized high current wireless battery charger circuit using wireless power transfer concept.

Clap Operated Toy Car Circuit

Jan 24, 2017

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.

Mini Weather Station Using Arduino

Jan 21, 2017

 In this post we are going 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.

Simple Cloth Dryer Circuit

The post explains 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.

Piezo Mat Electricity Generator Circuit

Jan 18, 2017

In this post we learn 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.

Electronic Engine Speed Governor Circuit

Jan 17, 2017

The post discusses 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.

Timer Circuit for Fitness Gym Application

Jan 16, 2017

In this post we learn how to make a timer circuit for fitness, or gym workout application. The idea was requested by Mr. Jan.

Automatic Street Light Dimmer using Arduino

Jan 11, 2017

In this post we are going to construct an Arduino automatic street light dimmer circuit, which can reduce its brightness when no vehicle is passing in the road to save power.

Induction Heater Circuit for Labs and Shops

Jan 10, 2017

The post explains how to make small homemade induction heater circuit for laboratories and shops for carrying out small scale heating jobs such as melting ornaments, or boiling small quantity of liquids using electricity or battery The idea was requested by Mr. Suni and Mr. naeem

Universal Battery Charger Circuit with Fixed Resistors

Jan 5, 2017

This universal automatic battery charger circuit is extremely versatile with its functioning and can be adapted for all types of battery charging and even for solar charge controller application.

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