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.
GPS Navigator
Global positioning system (GPS) is a wonderful technology that has made navigation systems highly accurate and efficient in recent years. All the mobile phones...
Over-Heat Detector
NTC thermistors are often the preferred choice for temperature sensing and control in many applications, primarily because of their small package sizes and attractive...
Microcontroller Projects: Electronic Card Lock for Appliances
The circuit presented here can be used as a lock for important electronic and electrical appliances. When a card is inserted inside its mechanism,...
Arduino Based Fancy Lights Controller
Assemble yourself a portable, four-channel multi-mode light controller using an Arduino Uno board and very few external components.
The fancy lights controller described here is...
Quiz Game Controller
This PIC16F877A microcontroller-based quiz controller, designed for up to six players or teams, is suitable for school and college quiz competitions. It is similar...
PC-Based GPS Receiver
Today, there are many gadgets available with GPS technology. GPS stands for ‘global positioning system.’ It provides the data corresponding to the position of...
Fruit Sorting Using OpenCV on Raspberry Pi
Sorting fruit one-by-one using hands is one of the most tiring jobs. It requires lots of effort and manpower and consumes lots of time...
Measure Difficult Angles With This Digital Protractor
Digital compass and protractor are two of the most basic tools for specifying directions and measuring angles. But sometimes it is difficult to get...
Configurable RS232 To TTL To I2C Adaptor
RS232 signals cover a much longer distance than standard TTL and I2C signals. Also, RS232 signals have better noise immunity. RS232 is a well-known...
Solar Light For A Portable Toilet
Despite being more expensive than standard permanent outdoor toilets, portable toilets (Fig. 1) have several significant benefits as these are self-contained and can be...
Simple DC To DC Converter For Microcontroller Kit
This article describes a simple, low-cost DC to DC converter for a microcontroller (MCU) kit. This converter is built around popular NE555 timer. It...
Raspberry Pi Bluetooth Speaker Audio Streaming System
Making Raspberry Pi Bluetooth Speaker and Streaming audio from mic directly to speakers is difficult when we do not have a Bluetooth mic and...
Make A Crystal-Locked FM Transmitter
The circuit presented here uses a crystal oscillator and frequency multiplier to generate a highly-stable carrier signal frequency of 96MHz. With 40mW of RF...
Arduino Nano Based Car Security & Automatic Wiper System
This project addresses the automatic wiper and car security system for a car. Apart from that, it takes care of the security in terms...
Battery Charger and Discharger Using USB Power Supply
Gadgets like electronic toys and musical players commonly use 1.2V rechargeable batteries in capacities ranging from 200mAh to 2800mAh, which need to be charged...
Automatic Water Tap Without Using Microcontroller
Water scarcity is one of the biggest issues plaguing the world today. To prevent this from becoming any worse, we need to focus on...
Active Probe With High Input Impedance And Selectable Gain
A high input impedance AC and DC active probe is required to increase the input resistance and sensitivity of such measuring instruments as oscilloscopes...
Extend Transmission Range Of 433MHz RF Transmitter Module
433MHz radio frequency (RF) modules are widely used in different wireless projects and products. Normal range of most RF transmitter and receiver modules is...