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.
AirPod: Standalone FM Earbud
Earlier in this series, a compact FM radio was created using a touch display. From there, the design moved forward with an FM radio...
Object Recognition and Distance Measurement Using Raspberry Pi 5 And Hailo-8L AI
Imagine a vehicle cruising at 54 kilometres per hour, roughly the speed of an object moving 0.5 metres per frame at 30 frames per...
Smart Trolley Robot ‘TROLL.E 1.0’
Robots now play a vital role across modern society, often described as human-like due to their growing presence in social and commercial environments. With...
433MHz Wireless Relay Switch
This cost-effective 433MHz wireless relay switch circuit allows remote relay control using an RF transmitter and receiver module. It is ideal for scenarios where...
Miniature AC-DC Module With Selectable Voltage
The increasing use of IoT devices and smart appliances has driven demand for compact and efficient power solutions. Traditional AC-DC converters tend to be...
Smart RFID Based Metro Station System
Metro smart automated systems always look cool to us. You can scan and rescan to travel just using a MetroCard. No need for special...
Installing Multiple Versions Of The ESP32 Board Package in Arduino IDE
In this tutorial, we will learn how to install multiple versions of the ESP32 board package in the Arduino IDE. Once set up, you’ll...
Compact Buck Converter Design for Wearables and IoT (1.2V–3.3V Output)
A buck converter is a DC-DC power device that efficiently steps down a voltage to a lower level. It uses an inductor, resistors, and...
Electronic Toggle/Ratchet Relay
An electronic toggle ratchet relay is a specialised type of relay that, unlike standard relays, maintains its state (either on or off) even after...
Advanced Satellite for Telemetry and Remote Access
Advanced Satellite for Telemetry and Remote Access (ASTRA) is a CubeSat model designed to offer hands-on experience in satellite technology. It serves as a...
DIY Smart Motion-Activated LED Strip Controller
Decorative lighting has become quite popular, with options such as LED surface panels, strip lights, COB lights, spotlights, and profile lights that are widely...
Power Saver For Air-Conditioners
This air-conditioner (AC) power saver circuit can control the operation of two separate AC units, reducing energy consumption during preset periods and cutting overall...
Build a Tiny FM Radio Inside an Earbud
In the June issue, the construction of a ‘Miniature Watch-Style FM Radio’ delivering stereo FM output was described. Building on that concept, the next...
AI-Powered Smoking Detection System Using MaixCam and YOLOv5
Over the past few years, smoking prevalence among adults in India fell from 14.0% (2009-2010) to 10.7% (2016-2017), thanks to public smoking bans, advertising...
Real-time Web-based Home Automation
In today's era of the Internet of Things (IoT), smart home automation has evolved from being a luxury to an accessible and essential part...
RFID Attendance IoT System
In this project, we will create an IoT-based RFID attendance system using the IndusBoard Coin with the ESP32-S2 chip. The system will read RFID...
Real‑Time Crop Monitoring and Remote Irrigation via ThingSpeak
Modern agriculture requires efficient resource management and real-time monitoring to ensure optimal crop growth. However, traditional methods often rely on labour-intensive manual checks, which...
Miniature Watch-Style FM Radio
Radio has remained one of the most enduring and essential communication devices, retaining its relevance to this day. Its evolution—from large, bulky units to...