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.
Universal Power Supply
Linear regulators like LM317, LM337, 78xx and 79xx, Zener diodes (1.3W) and reference diodes (e.g., LM336) are quite inexpensive and widely available. So you...
Visitor Counter
Presented here is a simple counter circuit that counts the number of visitors entering or exiting an auditorium or any other place where you...
Stress Meter | Circuit Diagram With Full Explanation
This stress monitor lets you assess your emotional pain. If the stress is very high, it gives visual indication through a light-emitting diode (LED) display along with a warning beep. The gadget is small enough to be worn around the wrist.
Simple Low-Cost Visitors Counter
Here is a simple and inexpensive visitor counter circuit that you can build easily. Visitor counters available in the market are generally expensive and...
Portable Crystal Tester
A crystal tester is an indispensable tool. Most electronics projects working with high-frequency equipment utilise crystals to generate frequency for an oscillator. Using this...
Low-Cost Quadraphonic Amplifier
Here is a circuit for a simple but useful low-cost quadraphonic (having four channels) amplifier. It can be used for experiments in open or...
DIY: Arduino Chatting
Networking is the one of the most important mean of communication used to communicate with people who are connected to one. Most of the...
Auto Switch-off Staircase Light
In areas like staircase or porch of your home, lighting is required only for a short period of time at night. We often forget...
Electronics Projects: Simple RF Based Code Lock
This simple radio frequency (RF) based code lock incorporates a pair of 433MHz ready made RF transmitter and receiver modules. It is a remote-controlled...
Electronics Projects: How to Build a Lid-Monitoring Sensor Module
If you need a lid monitor sensor system for an application, this is the circuit you have been looking for. One application for such...
Live Streaming Using Raspberry Pi Development Board
Imagine you are talking to your friend who works in another country and at the same time you are streaming your plush drawing room...
Electronics Projects: Build an RC Plane Finder
The lost plane finder introduced here is a little on board beacon, also known as lost model alarm/crashed aircraft beacon, which helps you find...
Automated Line Follower Robot
A line follower robot with pick-and-placement capabilities is commonly used in manufacturing plants. These move on a specified path to pick the components from...
Introduction To Smart Wi-Fi
We need faster tools and media to prove our ideas, and this is where ready-to use modules like Smart Wi-Fi enter. Fig. 1 shows...
RFID-Based Automatic Vehicle Parking System
Radio-frequency identification (RFID) is an automatic identification method wherein the data stored on RFID tags or transponders is remotely retrieved. The RFID tag is...
Arduino For Atmega32
Arduino is very helpful for people who have little knowledge of programming or electronics. The user does not need to understand the hardware or...
Restaurant Menu Ordering System
Automation systems are increasing in day to day life. Applications like home and industrial automation reduce man power while increasing the efficiency. Here in this restaurant...
High Impedance Audio Buffer With JFET
The high impedance audio buffer circuit described here can be used to enhance the AC input impedance of audio amplifiers that are used with...