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.
ESP8266 Based Wireless Web Server
This ESP8266 based wireless web server project is built around an arduino. Currently, ESP8266 is gaining popularity in the field of electronics because it...
Garage Light and Security Control
Useful for vehicle owners, this garage light control & security system automatically turns on indoor/outdoor garage lights and raises an alert when an automobile...
5-Band Graphic Equaliser
This graphic equaliser uses low-cost op-amps. Good quality op-amps powered by a single voltage supply are readily available in the market. The op-amp should...
Lead-Acid Battery Charger With Voltage Analyser
Nowadays maintenance free lead-acid batteries are common in vehicles, inverters, and UPS systems. If the battery is left in a poor state of charge,...
IR Remote Switch
Imagine the convenience of selecting TV channels using your remote and then pointing the same remote to your switchboard to switch on/off the fan...
LED Hourglass Timer
This circuit (Fig. 1) simulates the old hourglass timer. A total of 32 LEDs create the effect of sand grains passing from the upper...
PWM Based Speed Control for DC Motors
There are several methods for controlling the speed of DC motors. One simple method is to add series resistance using a rheostat. As considerable...
Number Guessing Game
This number guessing game is quite simple. In this game the player thinks of any number between 1 and 99. Then he scans the...
Precision 1Hz Clock
This precision clock uses just two ICs and one junction field-effect transistor (JFET) in conjunction with a commonly available crystal and a handful of...
RJ45 Cable Tester
Described here is a simple RJ45 cable tester circuit which can be used for testing the RJ45 network cables. The circuit can check...
8 Digit Code Lock for Appliance Switching
This 8 digit code lock is useful for appliances requiring exclusive or authorised use by those who know the preset code. If desired, the...
Light Operated Internal Door Latch
Using this light operated door latch circuit, you can close or open the door of your room remotely from your bed. You just have...
Cellphone Controlled Audio/Video Mute Switch
The circuit automatically disconnects power supply to the audio/video system whenever the mobile handset is lifted off the holder for making or receiving a call.
Dome Lamp Dimmer
A reading light inside the car greatly assists passengers during night, but often the interior dome lamp is too bright and distracting to the...
Low Resistance Continuity Tester
Continuity testing is the act of testing the resistance between two points. If there is very low resistance (less than a few Ωs), the...
Sensitive Optical Burglar Alarm
Burglar alarms have become standard equipment in stores and other businesses, and they're becoming increasingly common in private homes as well. If you've ever...
Emergency Ultraviolet Light
This emergency ultraviolet light circuit serves both as an emergency light (using a 6W fluorescent tube) and an ultraviolet light (using a 6W ultraviolet...
Clap Operated Electronic Switch
Here’s a simple clap operated electronic switch. Using this switch, you can turn on any appliance by clapping five times and turn it off...