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HomeEngineering Projects For YouMEGA COLLECTION OF ELECTRONICS DIY PROJECTS

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.

Sound Operated Timer

This sound operated timer is based on LM324 quad-operational amplifier and NE555 timer. Time delay can be set from a few seconds to 30...

555 Timer PWM Audio Amplifier

The “555” integrated circuit is a general-purpose timer useful for a variety of functions. In this 555 audio PWM project, we explore its use...

Intelligent Water Pump Controller with Water-level Display

Most of the circuits for intelligent level controller for water in tanks employ a bunch of wires running between the circuit and the overhead tank,...

World’s Top 20 IoT Project Ideas for IoT Enthusiasts

IoT has been all the rage over the past couple of years. The extensive use of sensors and wireless connectivity among devices has increased...

Top 15 Microcontroller Projects for Electronic Enthusiasts

The role of a microcontroller in the life of a design engineer is immense. These provide integrated solutions for engineers, incorporating multiple peripherals along...

Top 15 Raspberry Pi Projects Ideas For Engineers

Raspberry is a development board that has made a lot of noise since its introduction to the public. The cost and the wide support...

IR Remote Control for Home Appliances

Most remote controls around us, use IR for signal transmission. An IR remote control for home appliances helps you connect to your decices at...

Mobile Charging With Heat Using A TEG Module

This circuit can come in handy when you are camping in a remote area where there is no electricity available to charge your mobile...

Ultrasonic Transmitter and Receiver

Most ultrasonic transmitters and receivers are built around timer IC 555 or complementary metal-oxide semiconductor (CMOS) devices. These devices are preset-controlled variable oscillators. The...

Digital Speedometer

Tachometer with LED display using Arduino GPS-based Speedometer Microcontroller-based Speedometer-Cum-Odometer This digital speedometer displays the speed of the vehicle in kmph. An...

Hybrid Solar Charger

Efficiency of a solar charging system depends on the weather conditions. Usually the solar panel gets four to five hours of bright sunlight in...

Arduino Based GSM Home Security System

This project is designed using normally-closed reed switches connected to doors and windows and additional passive infrared (PIR) motion sensors to detect movement of...

12V Battery Charger-cum-Variable Power Supply

The 12v battery charger-cum-variable power supply circuit presented here can charge a 12V lead-acid battery of 50Ah to 80Ah (even up to 100Ah) capacity...

Remote Control for Toy Car

Make any battery-operated toy car remote controlled using this circuit. This remote controlled toy car circuit, consisting of an infrared transmitter-receiver pair, uses IR...

Remote-Controlled Smartfan Using AT89C2051

The remote-controlled smartfans available in the market are very expensive and their operating principles are difficult to understand. Here is a simple circuit for...

Noise Level Alarm

Noise is a serious environmental problem that affects us in our daily life. There is scientific evidence supporting that noise exposure can cause hearing...

Voice Recorder and Playback System

There are several types of voice recorder and playback systems available in the market but most of them are expensive and their circuits are...

Low Power Voltage Doubler

All miniature electronic devices operate off batteries. Some of them need higher than the standard battery voltages to operate efficiently. If the battery of...
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