Wednesday, December 1, 2021
Electric projects

Top 35+ Electrical Engineering Project Ideas

Engineers are always in search of projects, and finding meaningful projects makes that search worthwhile. Listed below are some electrical engineering project ideas for such engineers. A lot of them may...

School/College Quiz Buzzer

Manual buzzers used for quiz competitions in schools and colleges create a lot of confusion in identifying the first respondent. Although there are circuits using PCs and discrete ICs, they are...
Circuit diagram

Low-cost 3.7V to 5V-6V DC-to-DC converter

This article presents a simple, low-cost DC to DC converter that converts 3.6V-3.7V battery input into three outputs of 6V, 5.3V and 5V. These voltage outputs can be used simultaneously or...
LED based Rechargeable torch

Rechargeable Torch Based on White LED

Rechargeable torches don’t come without problems. You need to replace the bulbs and charge the batteries frequently. The average incandescent light-emitting diode (LED) based torch, for instance, consumes around 2 watts....
Fig. 3: Schematic Circuit diagram of the laser light security alarm system

Laser Light Security Alarm

The aim of this article to make a laser light security alarm and it can also be used as a home security system. The essence of this project is that anyone...

Automatic Water Tap Without Using Microcontroller

Water scarcity is one of the biggest issues plaguing the world today. To prevent this from becoming any worse, we need to focus on water conservation. Water is the most precious resource...
Telephone Receiver project

Telephone Receiver

Ever wondered how the old telephones used to work? find out here. This is a circuit for a telephone receiver without a dialling section. It consists of a ringing section and a condenser mic.
Stereo Amplifier Using TDA2822

Build Your Own Stereo Amplifier Using TDA2822

Here is a simple stereo amplifier that can be used to amplify audio from mobile devices. IC TDA2822M used in the circuit comes in an 8-pin DIP package and is readily...

Smart 230V AC Bulb Holder

The smart 230V AC bulb holder introduced here is an ultra-simple device with an automatic electric bulb controller switch and a standard electric bulb holder realised with the help of a...
Author Prototype for 5W Stereo Audio Amplifier

5W Stereo Audio Amplifier

Here is how we can build a 5W stereo audio power amplifier based on TEA 2025 IC and two potentiometers for left and right volume controls. Its power output is 2.5W...

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