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Engineering Projects For You
Free electronics projects, circuit diagrams and software codes available for students and hobbyists. Complete instructions on DIY electronic devices also available. These projects have been tested by EFY and are available with source codes. These are helpful with understanding concepts of electronics including basic components. The projects are designed to be helpful for engineering students and professionals building their own designs and circuits. The projects are also compiled from time to time to provide a single destination for project junkies. Let us know how you feel about the content and any thing you would like us to cover in the future. We hope you enjoy the content on this page!
Make Video Streaming Camera with Raspberry Pi
Live streaming video cameras can be used for security or personal purposes. A variety of webcams, camcorders, DSLRs and mirrorless cameras for streaming live...
Multi-Language Voice Control IOT Home Automation Using Google Assistant and Raspberry Pi (Hindi & English Video)
Today, home automation using Internet of things (IoT) is one of the major domains which is attracting attention from large tech companies.
We all want...
Adjustable AC Circuit Breaker
This circuit breaker employs a single operational amplifier (op-amp) and yet has a wide range and is user-friendly. A circuit breaker is an electrical...
DC Motor Speed Controller
Here is a simple DC electric motor variable speed controller circuit that can be configured to control the sweep rate of automobiles’ windscreen wipers.
The...
Automatic Plants Watering System With Melody
Here is a circuit for automatic plants watering, which can be undertaken every morning without any human effort. A sensor is used to detect...
Home Automation System Using A Wi-Fi Module
This home automation system can measure temperature, relative humidity, light intensity and control two electrical equipment on Cayenne IoT (Internet of Things) platform. The...
A Novel Architecture For Decimal Conversion In 8-Bit MCU
This article highlights common errors in 8-bit instruction sets, and introduces a novel architecture for decimal conversion instructions, especially in 8051, 8086, 8085 and...
Multipurpose Configurable Audio Buffer For Headphones
This article presents a simple, low-cost stereo headphones buffer using two LM358 operational amplifiers (op-amps). It is used to connect the headphones to line...
Power Up Your Audio: Build an LM386-Based Amplifier with Just a Few Components
Looking to boost the sound of your DIY projects without the hassle of complicated circuits?
This simple LM386-based audio amplifier is an affordable and easy...
Selecting The Right PCB Board Materials
Electronic devices, microwaves and other household devices rely on PCB technology to stay in working condition.
Lifetime and performance of a PCB board depend on...
Digital Protractor And Angle Measurement Device With Arduino
A compass and a protractor are two of the most basic tools used in geometry. For mathematics and engineering students, these tools are a...
Smart Arduino Touch Switch Board For Home Automation With IoT
If you are still using the traditional switches, then I’m sorry to say this but they are outdated now. Moreover, these traditional switches have...
Control Panel For Submersible Monoblock Pumpset
Presented here is a submersible pump starter circuit using electronic overload relay, solid-state relay and adjustable startup delay.
A submersible pump is a type of...
Wireless Caller ID Display for Bikers
This simple telephone caller identification display can be very useful for bikers. While riding a bike or any two-wheeler, the cellphone is usually kept...
Alarm using your own Voice
This alarm plays your prerecorded voice message. It is built around the readily available quartz clock. Take the buzzer out of the quartz clock...
Music-Operated RGB LED
Here, RGB LED light intensity and colour change with the rhythm and volume of music. It is a great idea to have such a...
Magnetic Walking Stick for the Visually-Impaired
A white cane is used by the blind or the visually-impaired to scan the surroundings for obstacles and orientation marks, and find the correct...
Ambient Backscatter: Power And Communication To Battery-Free Devices
With recent advancements in communication technology, there is a new technique—called ambient backscatter—that allows devices to communicate with each other, for which it does...