HomeEngineering Projects For YouMEGA COLLECTION OF ELECTRONICS DIY PROJECTS

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.

Bi-Directional Li-Fi Optical Communication System

A bi-directional Li-Fi (light fidelity) optical communication system has been developed for high-speed, two-way digital data transfer over free-space optical links. Using laser diodes,...

Universal Power Supply

A regulated DC power supply is one of the most useful tools for electronics hobbyists, students, and repair technicians. During circuit development and testing,...

Build a Network-on-Chip (NoC) Router in Verilog: Learn Modern Chip Communication

Microcontrollers such as Arduino and ESP32 are excellent for building embedded projects, but they reveal only one part of digital system design. Inside every...

Simple Weather Satellite Station

Imagine a radio that listens to satellites instead of FM stations. Using a Raspberry Pi and an RTL SDR dongle, it is possible to...

Turn Raspberry Pi Into Smart Barcode and QR Code Scanner

Barcode and QR code readers are widely used in inventory tracking, retail billing, office management, and event check-ins. They help identify items quickly and...

IoT-enabled Smart Weighing Scale that Talks, Calculates, and Keeps Track of Sales

A smart talking grocery scale is an advanced digital weighing scale designed for small shops, grocery stores, and home use. It accurately measures the...

DIY 3D LiDAR Mapping: Convert a 2D LiDAR into a 3D Scanner

This is a DIY electronics project article that teaches how to build a low-cost 3D LiDAR mapping system using a standard 2D LiDAR sensor,...

DIY ESP32 Voice Recorder with SD Card and OLED Display

This project demonstrates how to build a compact portable digital voice recorder using an ESP32-S2-based IndusBoard Coin, an INMP441 I2S MEMS microphone, an OLED...

IoT Relay To Control Appliances Through The Internet Using Smartphone

Electrical appliances such as lights, fans, air-conditioners, TVs, and water pumps are typically operated using manual switches. This system enables these appliances to be...

Generative AI Smart Speaker

Smart speakers such as Alexa, Google Home, and Apple Home have transformed how people interact with technology, enabling voice-based control of smart devices, instant...

Compact Robotic Platform With Motor Driver On Chassis PCB

An N20 motor is a compact DC geared motor widely used in robotics and DIY applications. By combining a small DC motor with an...

Simple 12V To 24V Voltage Doubler

Many electronic circuits require a voltage higher than that available from the power supply. For example, when only a 12V battery or adaptor is...

Temperature-Based Dual Safety System For Smart Homes

A temperature-based dual safety system addresses common household risks through intelligent control. Built on an Arduino Uno, it operates in two selectable modes via...

10 Solar Electronics Projects You Can Build at Home

In this article, we have compiled some of the best DIY solar-powered electronics projects that you can build, learn from, and adapt for your...

Simple Solar Light Circuit

Summary: Automatic solar garden lights provide nighttime illumination without requiring grid power or complex wiring. A small solar panel charges a rechargeable Ni-Cd battery during...

Batteryless Gaming Console

The Game Boy, the legendary gaming console of the 1990s, still holds a special place in the hearts of gamers. Its simplicity, durability, and...

High-Speed Li-Fi Data Transfer Using Laser Communication

A Li-Fi (light fidelity)-based optical communication system is designed to transmit digital data as light signals using a laser diode and a photodiode. Unlike...

Open Source Rocket Design and Simulation

Rocket design is one of the most exciting yet complex areas of engineering. It offers a completely different perspective on how physics behaves in...
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