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.
Make This Solid-State Relay Driver for Microcontroller
Here is a simple solid-state relay (SSR) driver circuit using a transistor. An SSR is similar in operation to a traditional electromagnetic relay with...
RFID And Face Recognition-Based Smart Attendance System
Every organisation needs an attendance system to obtain data about its working hours and also keep track of its employee’s punch in and out...
Develop a Smart Android App for Temperature Alert System
This project presents an Android app to generate an alert (alarm) on a smartphone when temperature of the process under consideration exceeds user-defined maximum...
Simulate MOSFET-Based Ideal Diode
A simple explanation for the working of an ideal diode circuit based on P-channel MOSFET and PNP transistor is presented here. The typical voltage...
Build A Model Of Satellite Dish Antenna Angle Controller
Presented here is an Arduino-based dish antenna angle controller to align the position of a satellite dish antenna by setting azimuth and elevation angles....
Gesture Controlled Wheelchair Using ATmega32
Wheelchairs are useful for people for whom walking is difficult or impossible due to some illness, injury or disability. There are different types of...
IR Remote-Controlled RGB Bulb
Infrared (IR) remote-controlled RGB bulbs available in the market are extremely expensive. Here is a simple, easy-to-build and inexpensive circuit built using Arduino Uno...
Mini Fridge With Peltier Modules
It was in the middle of 1821 when J.T. Seebeck discovered that if two dissimilar metals connected at two different points are held at...
Decode An IR Remote For Home Automation
This article describes how to decode a remote controller and use it for home automation, along with Arduino. An infrared (IR) remote controller used...
Portable Digital Weighing Machine Upto 100kg
You must have seen a digital weighing machine in numerous shops, but have you ever wondered how it works and how it can be...
Smart Digital Calendar That Tells You Live News From EFY
We all must have used a photo frame in our houses, but have you ever wondered that you can make a smart digital photo...
Alarm Clock Radio Using Arduino
This project describes how to make the alarm clock radio in Arduino. The main feature of this project is that it will display date,...
AC Lamp Blinker Using Timer 555
There are at least two popular applications of blinking a string of 110V/230V AC incandescent lamps. The first is audio-visual warning at construction sites...
Design Your Own Portable Spectrum Analyser
This low-cost portable spectrum analyser can be used to analyse the frequency content of input signals up to 5kHz. Frequency spectrum of an input...
Simple Key-Operated Gate Locking System
This simple key-operated gate locking system allows only those persons who know the preset code to open the gate. The code is to be...
Handy Tester
For beginners, here’s a low-cost multitester that can be used to test the condition of almost all the electronic components from resistors to ICs....
Develop A Fastest Finger First System for Six Players
Described here is an Arduino-based fastest finger first system. In quiz shows, the buzzer or fastest finger first round is frequently used to determine...
Make Your Own Portable Rain and Steam Detector
This is a simple portable rain and steam detector in one circuit. It is compact in size, runs on 9V battery and is easy...