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MEGA COLLECTION OF ELECTRONICS DIY PROJECTS

Every week, we publish 2 to 3 projects, sometimes even more! They range from simple circuits for beginners, to advanced projects that you can use to develop complete innovative products! Most projects have been developed by enthusiasts like you. Some by experts. And, some by our team. Many are tested at EFY Labs, and some are not–but they typically have a proof-of-concept video.

Fan Cooling For Improved Performance Of Refrigerators

The refrigerator is one of the most heavily used household appliances, operating continuously throughout the year. Therefore, any improvement in its operating conditions can...

Portable Ultrasonic Trench Logger For Optical Fibre Cable

In modern telecom infrastructure deployments, optical fibre cable (OFC) is typically laid in underground trenches, where maintaining the specified trench depth is critical for...

Remote Control Over Internet Using Mobile

The article discusses a way of controlling a device (turn ON/OFF) remotely over Internet using an Android Mobile and an ESP32 Wi-Fi module. This...

DIY H-Bridge Motor Driver for N20 DC Motors

If you’ve ever worked with N20 gear motors, you already know the struggle—adding an external motor driver module increases wiring, takes up space, and...

This IoT Project Tracks Nuclear Radiation Live

Nuclear leakage detection and radiation monitoring have become critical as the world generates increasing amounts of nuclear waste. Almost every country produces nuclear waste,...

Tachometer with LED display using Arduino

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as kitchen appliances...

Energy Monitoring in Real Time with IoT

Earlier, we designed a smart energy meter that used a current sensor to measure current. In that version, we manually set the voltage range...

Audio Spectrum Analyser With Bar-Type LED Display

An audio spectrum analyser is an electronic instrument or device that measures and displays the amplitude of an input signal as a function of...

Batteryless Power Bank for IoT Devices

Many IoT (the Internet of Things) devices require a reliable secondary power backup. If the primary supply or battery is depleted or suddenly disconnected,...

AI-Based Gateman System To Record Vehicle Number Plates

An earlier version of this automatic gateman system, built around a camera-based design, was published on the Electronics For You website and can be...

BLDC Motor Failure Detection System For Drone Safety

Drones are widely used across several fields, including aerial photography, surveying, inspection, agriculture, and recreation. Despite their growing importance, many drones develop hardware faults...

Face and Object Tracking AI Smart Robot

Precision in human-robot interaction depends on the ability to recognise and track human faces along with detailed facial landmarks. This capability underpins emotional analysis...

Rotary Switch-Selectable Timer for Industrial and Domestic Use

The rotary switch-selectable timer for industrial and domestic applications is designed as a robust and practical timing device for systems that require fixed delays...

Time Lapse Timed Photography On Raspberry Pi Zero Board

We previously developed a time-lapse photography system based on the MaixCam platform, which performed remarkably well in terms of functionality and features. However, one...

₹500 Blind Stick Without Code

The Blind Stick is a low-cost assistive device designed to help visually impaired individuals detect obstacles and navigate safely. It uses an infrared (IR)...

Build Your Own IR Audio Communication System at Home

Infrared Audio Communication is a method of transmitting sound wirelessly using pulses of invisible light rather than radio waves. It works by modulating the...

433 MHz RF Signal Strength Detector

The 433 MHz RF Signal Strength Detector is a circuit designed to sense and measure the intensity of radio frequency signals in the 433...

8×8 Programmable Matrix Display For Primary School Kids – Teaching Aid

The custom-built matrix display for primary school children’s character visualisation is an accessible innovation that strengthens primary education. Its 8×8 programmable format offers a...
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