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.
DIY Countdown Timer
Sometimes there is a need to switch on or off electrical appliances or gadgets after a predetermined time. The circuit presented here can switch...
Arduino Based Digital IC Tester Using MATLAB
Testing of digital electronic systems generally involves applying a set of test stimuli to inputs of the device-under-test (DUT) and analyzing responses of the...
Stereo Amplifier Using TDA7052 ICs For Portable Devices
Portable devices like personal computers, MP3 players, sound recorders, telephones and audible sensors are frequently in need of additional stereo amplifier to produce sufficient...
Colour Sensing Robot with MATLAB
A camera is one of the most powerful and accurate sensors if you know how to process the images taken by it for the...
Short-Range FM Radio Station
This article shows you how to build a small radio station at home and share music with others. The station can also be used...
Smart Cellphone Guard
Smart cellphone guard presented here is in fact a simple infrared (IR) sensor alarm secures your cellphone with an invisible beam of light that...
Washing Machine Motor Controller
Washing machines usually employ a single-phase motor. In semi-automatic washing machines, a purely mechanical switch controls the timing and direction of the motor. These...
Microcontroller Based Speedometer-Cum-Odometer
Normally, digital speedometers are found only in luxury cars and high-end motorbikes. Even if your motorbike has a mechanical speedometer, what will you do...
RFID Based Security System
A radio-frequency identification (RFID) based access-control system allows only authorised people to enter a particular area of an establishment. Authorised people are provided with...
Arduino Based Digital Capacitance Meter: An Interrupt Based Approach
Capacitive sensors are widely used to measure various physical and chemical process parameters such as displacement, acceleration, thickness, force, pressure, stress, level and humidity....
How to Play with Pancake Vibration Motors
Nowadays numerous electronic devices make use of vibrotactile feedback to increase user interaction with the help of suitable haptic feedback hardware like the eccentric...
Auto-reversible DC Motor with Speed and Rotation Control
DC motors are widely used in different machines, mechanisms and motion controls in manufacturing and processing industries. In these machines, it is often required...
Ethernet Interface for Automation Systems
Communication with remotely located automation systems is possible via the Internet. A physical communication port with a network is required for this communication. An...
Computerized Universal Timer
This simple and flexible timer is more accurate than the real-time clock of the computer used for the purpose. It can be used in...
Periodically On-Off Mosquito Repellent
Some of the mosquito repellent available in the market use a toxic liquid to generate poisonous vapours in order to repel mosquitoes out of...
Water-level Controller
In most houses, water is first stored in an underground tank (UGT) and from there it is pumped up to the overhead tank (OHT)...
3W/6W audio amplifier using TDA2003
This is a simple audio-frequency (AF) amplifier using the popular audio amplifier IC TDA2003. The IC comes in a 5-pin TO-220B package.
Audio amplifier circuit...
Duck Hunt Game Using Arduino And Python
Duck hunt game is a shooting game based on pygame, using Arduino and an accelerometer sensor. In this project a gun pointer is made...