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.

A Smart Pillbox For Timely Medication

As families grow busier, maintaining medication schedules for seniors, home-bound patients, and children who may not fully understand medication routines can become increasingly difficult,...

AI Hand Gesture Controlled Mini Robot

Controlling a robot's direction, speed, individual wheel movement, and more via a single FPC wire makes the overall design compact and efficient. The system...

Dusk-To-Dawn Auto ON/OFF LED Strip Lighting With Timer

Automatic lighting systems are widely used to improve energy efficiency and convenience in residential and commercial applications. The presented auto dusk-todawn LED strip on/off...

Simple 12V to 24V Voltage Doubler

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

FM Radio Receiver

This FM radio receiver project demonstrates the practical application of RF engineering and analog signal processing principles. Designed to operate within the standard Very...

USB To Serial TTL Converter With USB Type C Connector

In today's digital landscape, seamless connectivity and communication are essential for the smooth operation of various electronic devices. The USB  to Serial TTL Converter...

Run LLM Locally on Raspberry Pi: No API, Free & Offline

In this guide, you’ll learn how to build your own local AI system using lightweight LLMs, AI agents, and affordable hardware like a Raspberry...

Sawtooth Wave Generator Using 4-Bit DAC

A sawtooth (staircase) wave generator is a circuit that converts a digital binary sequence into a rising analogue voltage ramp. With a 4-bit R-2R...

CAN-Bus-Based Doppler Radar and IMU Sensor System

The controller area network (CAN) bus is a reliable, real-time communication protocol and remains the backbone of modern automotive, electric vehicle, aerospace, and marine...

Battery Pack Balanced Cell Charge Monitoring System

Balanced charging of each cell in a battery pack is critical to meeting system requirements and maximising lifespan, while continuous monitoring of temperature, current,...

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...
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