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 A Simple Power Supply For Adjustable Voltage And Current
Sometimes a simple analogue power supply with adjustable output voltage and adjustable current-limiting function is needed. This article presents a simple power supply using...
Monitor Temperature With Voice Alerts
This project is based on Arduino Uno and Processing software for monitoring temperature and sending voice alerts. Processing is an open source IDE that...
Build This Electronic Toy For A Child
Presented here is an electronic toy circuit for your child’s entertainment. The concept of a joint family is disappearing, and childcare is also becoming...
Serial LCD Module
In most electronic systems, it is necessary to provide information in the visual form for a convenient user interface. The most commonly used displays...
SMS-Based Smart Notice Board
We are all familiar with how notice boards in schools, offices, colleges and railway platforms look like. But have you ever wondered how they...
Make Your Own 15W Audio Amplifier
Here is a simple audio amplifier circuit based on TDA2050 IC. This amplifier can deliver an output power of around 15W for an 8-ohm...
Make A Smart Presentation IR Pointer Using Arduino
Smart presentation pointers are readily available in the market but are expensive. Here is a simple, easy-to-build, inexpensive and infrared (IR)-based smart slide pointer...
Build Your Own Miniature VAW Meter
The circuit presented here can measure voltage (V), current (A) and wattage (W) on an OLED. It is actually voltmeter, ammeter and wattmeter circuits...
Automatic Power-Resumption Alarm
Most power-resumption alarm devices produce non-stop alarm when power resumes. To overcome this problem, here is an automatic Power-Resumption alarm circuit that sounds an alarm...
Web-Based Device Controller With Arduino Board
Arduino board can also be used to control electrical devices and appliances over the Internet. Just by clicking a few buttons on a webpage,...
Microcontroller-Based Morse Code Encoder
Morse code is a method of transmitting textual information as a series of on-off tones, lights or clicks that can be directly understood by...
IoT-Based Smart Agriculture System
Most of us have a small garden, farmland or a plantation area. Our busy schedule, however, doesn’t allow us to maintain it well. But...
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...