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.
Top 20 RFID Project Ideas
Radio-Frequency Identification (RFID) is a technology that uses radio-frequency electromagnetic fields to transfer information from a tag to RFID reader for identification purposes. The...
Laser Communication System
This laser communication system transmits sound or music signals through a laser beam. The intensity of the laser beam changes with the amplitude of...
DC-AC SSR Switch for Microcontroller/Robotic Projects
SSR stands for Solid State Relay. SSRs are not very different in operation from traditional electromagnetic relays that have movable contacts. An electromagnetic relay...
Arduino-based Line Frequency Meter Based on Reciprocal Counting
Precise measurement of line signal frequency is very important in many applications, especially in the management of power grid systems. Tasks like calibration of...
Surveillance Camera Using RaspiCam And Android App
This project describes how to build a surveillance camera based on Raspberry Pi (Raspi) that records HD video only when something moves in the...
Mini Candle Light Using Old Mobile Phone Battery
According to the three Rs—reuse, reduce and recycle—we must save our planet from e-waste. Sometimes we have a dead mobile phone whose battery is...
Configurable DC-to-DC Converter Module Using Three ICs
Most kits with embedded microcontrollers (MCUs) operate off a single power supply (VCC) source like 5V or 3.3V. But for some experiments you need...
Make Your Controllers For Any Game Using Arduino: DIY
Nowadays, we have lots of game controllers that are improving the gaming experience over the years. There are number of factors responsible for a game...
Weight Machine
Eight years back I purchased a small bathroom scale from @Home ,Mumbai and it cost me a good amount of money then. It's a...
Wireless Control Of Servo Motor
I made my first robot when I was in college and always thought to make totally wireless. So the same I thought about making...
HV Generator for Microcontroller Projects
To drive small neon lamps or similar devices in your microcontroller/robotic projects, you need a high-voltage dc power supply for consistent and fast performance....
Simple Low-Cost And Versatile Battery Charger
Presented here is a versatile battery charger circuit to charge batteries ranging from 6V through 48V. At home, garage or laboratory, you may have...
Variable Power Supply with Digital Control
The most frequently used device in electronic workshops and laboratories is a universal power supply that provides a variable, fluctuation-free output. Here we present...
Arduino Based Windows PC Volume Remote Control
Presented here is a project that turns your Arduino into a remote control. Infrared (IR) remotes have been very prominent since 1980’s. In today’s...
Get started with NOT Gate IC | 7400 Series Tutorials
NOT Gate Logic Symbol and Boolean ExpressionTruth Table for NOT gate ICRecommended Operating Conditions of NOT Gate IC 7404Pin-Out Diagram of 7404 NOT Gate IC7400...
Temperature Control & Indicator System
Here is an easy-to-construct temperature indicator-cum-controller that can be interfaced with a heater’s coil to maintain the ambient room temperature. The temperature control system is...
Mobile Sniffer
This mobile sniffer circuit can detect the use of a GSM mobile in mobile-phone-restricted areas such as examination halls and other ‘do not disturb’...
USB Interface Using Python Software
This is a simple transistor’s output characteristic curve-tracer program through PIC microcontroller & USB interface using Python programming language. Output characteristic curve of a...



