Simple Crystal Radio Circuit using No Batteries

Apr 30, 2016

A crystal radio circuit is probably the simplest form of radio that uses hardly any electronic components, and needs absolutely no external power for the operations.

Motionless Electromagnetic Generator Circuit ( MEG )

Apr 29, 2016

A term MEG refers to motionless electromagnetic generator circuit which is designed to generate electrical energy without using any moving components or involving any kind of mechanical stages.

Simple Vertical Axis Wind Turbine Generator Circuit

Apr 26, 2016

The post explains a simple vertical axis wind turbine generator circuit using ready made high power generator dynamo and a vertical axis wind turbine mechanism. The idea was requested by Mr. Taibani.

Digital Clock Circuit Using Arduino and 16x2 LCD Display

Apr 23, 2016

The post explains how to make a simple digital clock using Arduino and a 16 x 2 LCD display.

Solar Inverter Circuit for 1.5 Ton AC

Apr 22, 2016

Here we learn how to build a solar inverter circuit for a 1.5 ton air conditioner (AC) for powering the AC during daytime directly from solar panels without depending on grid power. The idea was requested by Mr. Subhashish.

Foolproof Laser Security Alarm Circuit

Apr 19, 2016

The post discusses a a simple yet versatile foolproof laser security alarm circuit which can be used for securing any concerned premise with extreme accuracy. The idea was requested by GPS.

Battery Backup Time Indicator Circuit

Apr 17, 2016

The post explains a battery backup time indicator circuit for monitoring the battery power usage by the connected load and for estimating the approximate remaining backup time of the battery. The idea was requested by Mr. Mehran Manzoor.

Make Arduino on Breadboard

Apr 15, 2016

In this article we are going to learn how to make an arduino on a breadboard. We are also going to see what is an arduino, how to program it and how to assemble them as standalone microcontroller on a breadboard or PCB.

Battery Charger Circuit using Triac

The post explains a simple a battery charger circuit using a triac auto shut-off facility. The circuit can be used for charging any high current, high AH types battery with a full-charge auto cut-off feature. The idea was requested by Mr. Rakesh Parmar.

Motorcycle Accident Alarm Circuit

Apr 1, 2016

In this post we learn how to make an useful motorcycle accident alarm circuit for sending alarm signal to the distant population in an event of an accident, especially if it happens in a relatively lonely area. The idea was requested by Mr. Rayan D'souza.

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