Thursday, December 9, 2021

Community Projects

Projects published below, have NOT been tested at Electronics For You Labs. But, that does not mean that they don’t work.

We invite YOU to try and test them, and share your feedback and suggestions for improvements.

We will be happy to recognise the good ones via Certificate of Recognition and a Surprise Gift, on a weekly basis….

audio power amplifier

Simple Audio Power Amplifier With NE5534/А And Darlington Transistors With Up To 30W Of...

These days there a lot of audio power amplifiers in integrated circuits (ICs). But it is still interesting to produce audio power amplifiers with operational amplifiers (OAs) and with output power...
digital weight machine circuit

Weight Machine

Eight years back I purchased a small bathroom scale from @Home ,Mumbai and it cost me a good amount of money then. It's a simple analog weight machine. You stand up...

Auto Power Switching Mains, Solar Inverter or Generator

This project is based on the AEIOU heuristic framework of Design Engineering Approach. Design for Performance, Safety and Reliability is ensured in terms of switching module. Design for Ergonomics and Aesthetics is ensured...
Automatic Curtain System

Automatic Curtain Operation Using LDR

We have witnessed a rapid inclination towards automation lately. Considering some of the factors such as time consumption, affordability, feasibility and convenience, automation has enhanced our standards of living in numerous...
smart stick using arduino circuit diagram

Smart Stick Using Arduino Uno: Aiding The Visually Impaired

Obstacle detection is one of the major concerns for a fully or a partially blind person (e.g. person suffering from night-blindness, cataracts, glaucoma, albinism or injury). Presented here is a smart...

Ensuring Safety While Filling Air Inside A Tyre

In this article, our focus is related to air pressure while filling air in the tyre. This is important because the tyre may get burst and create many other problems due...
Active AC analog probe

Low Cost Dual Channel Active AC Analog Probe

Introduction When we are experimenting with AM receivers for LW, MW and SW we are in need of high impedance analog probe with low input capacitance, e.g. well below 20pF. The required input...

Smart Wireless Water Meter With Web DB IoT Projects

As water consumption and wastage increases day by day, water scarcity has become a growing concern around the globe. While some irresponsible people are overusing water and wasting it daily, a...

Image Processing Based Fire Detection & Extinguisher System Using Arduino

This is an image processing based fire detection and extinguisher system using Arduino. It is basically the system is divided into two parts: Fire detection 2. Fire alert and extinguisher In the first...
reaction time game author prototype

Reaction Time Game

This  reaction time game tests the time taken by two players to react, and declare the fastest one as a winner. To do this I am using external interrupts and pin...

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