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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.

Biometric Electronic Voting System with Real-Time Authentication and Keypad

This project presents a secure, low-cost electronic voting system using Arduino Uno, an R305 fingerprint sensor, a keypad-based button interface, and an LCD display....

Power Bank Circuit Diagram

In our fast-paced digital world, staying connected is essential, and a reliable power bank is a must-have accessory for smartphone users. This smartphone power bank...

This Face-Recognition Robot Santa Is the Coolest Christmas Project

This is a cool device that can recognise you and greet you while playing the song “Jingle Bells” and distributing chocolates. We are now in...

Resistor Color Code Calculation Formulas, Calculator, and Common Mistake

This table will help you with managing resistor color code so that you don't burn up your circuit due to a wrong resistor. Right below...

Digital Thermometer using Arduino

We built this Arduino-based Digital Thermometer for temperature measurement applications. Thermometers have been useful for temperature measurement for a long time. A digital thermometer is...

Smart EcoBin: Intelligent Waste Management System

The Smart EcoBin is an intelligent waste management system designed to promote environmental sustainability and improve the efficiency of waste collection. Equipped with multiple...

Superior Motion Sensor Using Microwave Doppler Radar

An earlier design introduced a touch solid-state AC switch. The new version advances this concept with a sophisticated human radar sensing system that can...

Control AC Loads Wirelessly With This RF Relay Switch

The demand for convenient and reliable switching systems is increasing across homes, offices, and industrial environments. Conventional methods, such as wired switches and infrared...

Fancy USB LED Vase

This USB LED vase is a simple yet elegant device that fuses art with electronics to create a decorative lighting display. Powered directly from...

Miniature IoT Water TDS And Level Monitor Cum Controller

For setups that rely on stored water, clear awareness of tank level and water quality is essential. Traditional level monitors are often bulky offline...

Smart Energy Meter With ESP32 to Predict Electricity Bill

Unexpected electricity bills can often be frustrating. This smart energy monitor, built using an ESP32 microcontroller, measures real-time power consumption and predicts upcoming bills...

Hand-Picked ECE Projects for Electronics Engineers

Electronics and Communication Engineering (ECE) Students and Enthusiasts are always searching for new projects to try out in their free time. They are also...

Automatic Plant Watering System using Arduino

During the summer, most people are too lazy to water the potted plants on their rooftop gardens every day. So, we build a simple...

Designing 1kW Sine Wave Inverter Circuit

An inverter provides power backup for mains-based appliances in the event of a power failure. Most of the inverters available in the market have...

Build Your Own Stereo Amplifier Using TDA2822

Here is a simple stereo amplifier that can be used to amplify audio from mobile devices. IC TDA2822M used in the circuit comes in...

AI Vision Assistant Camera That Can See, Read, and Translate

The AI vision assistant camera is a smart device for image recognition and interpretation. Powered by AI, it analyses images from user-defined prompts and...

Smallest Portable Game Boy And Wi-Fi Hacking Device

In the late 1980s and 1990s, the Game Boy redefined handheld entertainment. With its chunky buttons, monochrome screen, and pocket-sized design, it evolved from...

Dual-Tone Single Bell For Two Doors

In modern homes, apartments, and offices, multiple entrance doors are common. Traditionally, each door requires a separate doorbell, which increases cost and can confuse...
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