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.
Automated Alarm Circuit
Two automated alarm circuits are presented here. One produces bird-chirping sound and the other British police siren tone. Fig.1 shows the circuit of the...
Multipurpose Power Pulser
The idea behind this multipurpose power pulser is very simple. As shown in the circuit (Fig. 1), it uses a low-frequency oscillator to drive...
Midnight Security Light
Most thefts happen after midnight hours when people enter the second phase of sleep called 'paradoxical' sleep. Here is an energy-saving night security light...
Anti-Sleep Alarm for Students
This anti sleep alarm circuit saves both time and electricity for students. It helps to prevent them from dozing off while studying, by sounding...
Password-Protected Bluetooth Remote Control
This password protected bluetooth based remote control operating at 2.4GHz frequency can be used to control robots, home appliances, machines, etc. Here we have...
Simple 8-Bit Computer for Learning
This project helps you build a 8-Bit computer while also providing an insight into the working of an MPU & its construction mechanism.
Computers take...
Efficient Egg Candler
Candling eggs, while they are incubating, is the proven method to test them for fertility. Often, egg candling is done using a light source...
Micro-Solder Pot
To make a great solder joint, component preparation is a must. It is very important to clean component leads, wires and contact surfaces prior...
DC Motor Starter Using Arduino Uno Board
Motor starter reduces the load, torque and current surge of a motor during startup. On starting, the motor takes more than five times the...
Midget Vibration Detector
This article describes a low-cost sensitive midget vibration detector that can interface directly with any microcontroller. The entire circuit operates off a single 5...
Arduino Ping Pong Game
Ping Pong was the first ever video game that reached mass market. For the first time in history, the concept of a “video game”...
Web Server using Raspberry Pi 2
Raspberry Pi is a small credit-card sized computer capable of performing various functionalities. It is heavily used in surveillance systems, military applications, etc. Several...
High Fidelity FM Transmitter
FM broadcasting is radio broadcasting using frequency modulation technology. In order to attain high-fidelity broadcast of music and speech, all audio frequencies up to...
PC Based Stepper Motor Controller
This PC based stepper motor controller is perhaps the cheapest, smallest and simplest. A pair of H-bridges with a software program written in ‘C++’...
Magnet Operated Toggle Switch
When the author decided to develop a magnet operated toggle switch, what he had had in mind was an ‘unorthodox’ design that was as...
16-Way Clap Operated Switch
Control your home appliances with this clap operated switch, without getting out of your bed. You just have to clap in the vicinity of...
Continuity Tester With A Chirping Sound
Today, there’s a party at your home. And you are busy detecting faults in the decorative lights hanging over the boundaries of your house....
Shadow Alarm: Light Sensitive Circuit
This light sensitive alarm circuit sounds an alarm whenever a shadow falls on it. So it can be used at night by shopkeepers to...