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.
Multi-utility flashlight
This multi-utility flashlight consists of three sections: a flasher, a sound-to-light display and a white LED-based flashlight.
Multi-utility flashlight circuit
The flasher circuit is built around...
White LED Light Probe for Inspection
This white LED light probe circuit is useful for inspecting narrow spaces like the inside of the CPUs, monitors, PCB modules and other electronic...
Digital Night Vision Goggle
At night, on highways, the high-intensity light from the headlight of heavy vehicles blinds oncoming light vehicle drivers (bike riders and car drivers) for...
Wireless Extender For IR Remote Controls
Using this system, you can control your IR-remote-controlled home appliances like DVD player and air-conditioner from another room without the hassle of running extra cables between the two rooms.
Water Pump Controller
A water pump controller senses the level of water in a tank and drives the water pump. The circuit described here is built around...
Clock Tick-Tock Sound Generator & LED Pendulum
Wooden-case, battery-operated wall clocks with pendulums are available in the market. Some even have chimes. What is missing is the tick-tock sound of old...
Photo Counter
You can use this photo counter gadget to detect whether somebody opened your cupboard or drawer in your absence. The gadget is small and...
Touch Sensitive Alarm
Security has been a major concern for people for long. Any personal belonging kept out of personal reach is prone to attack and sometimes,...
Emergency Photo Lamp
This emergency photo lamp can be powered either by a rechargeable battery (like 3.6V Ni-Cd) or a non-rechargeable battery (3.0V CR2032). The white LED...
Single-Wire 4×4 Matrix Keypad Using AVR
This tutorial demonstrates a different way of interfacing a 4x4 matrix keypad with ATmega32 AVR microcontroller. Keypad is one of the most important input...
How to Play With Light Using LDR
In electronics, there are many ways to play with light the way you dream. If you are looking for an inexpensive solution, regular light-dependent...
Triple Power Supply From USB
Nowadays, most portable electronic gadgets are powered by USB adaptors. These adaptors have 5V, 1A to 5V, 2.1A output, which is enough to power...
Add-on USB Power Circuit For UPS
Most computer UPS have only 230V output and no USB output. Presented here is a USB power circuit that gives 5V USB output using...
Connected Message Lamps using ESP8266 | IoT Projects
It is not just another Engraved LED lamp that you see on the market nowadays. This is an advanced version of that lamps. In...
Solid State Voltage Stabiliser
In India, we have a large power distribution system with heavy distribution losses and variations in industrial/ domestic load. This results in voltage variations...
Car Stereo Player Circuit
Using a mobile phone while driving is dangerous. It is also against the law. However, you can use your mobile phone as a powerful...
1-30 Minute Timer
Using this 30 minute timer circuit you can switch on an appliance for a desired time. The circuit provides selectable time settings of 1,...
Car Fan Speed Controller
Using this fan speed controller circuit you can control the speed of 12V DC fans used in cars. The circuit is built around timer...