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Home Engineering Projects For You

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 video are available in the market. You...

Multi-Language Voice Control IOT Home Automation System Using Google Assistant and Raspberry Pi

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 to own a smart home, but sometimes...
Circuit Breaker

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 switch intended to protect an electrical circuit...
DC motor speed controller

DC Motor Speed Controller

Here is a simple DC motor speed controller circuit that can be configured to control the sweep rate of automobiles’ windscreen wiper. The circuit comprises a timer NE555 (IC1), medium-power driver transistor...

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 ambient light and activate a pump motor...

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 two electrical equipment can be a light...
A Novel Architecture For Decimal Conversion In 8-Bit MCU

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 PIC microcontrollers (MCUs). Statistical analysis of different...

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 outputs capable of driving loads up to...

LM386 Audio Amplifier

Here is a simple LM386 based audio amplifier circuit with the author’s prototype shown below. LM386 based audio amplifier: circuit and working Circuit diagram of the LM386 based audio amplifier is shown in...

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 the choice of circuit board material. To...

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A Novel Architecture For Decimal Conversion In 8-Bit MCU

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...

Top 30 Android Project Ideas

Android Project Ideas | Android Projects
There is a lot of confusion among students when it comes to projects. Nowadays almost everybody is...

Image Processing Using MATLAB: Basic Operations (Part 1 of 4)

image processing using MATLAB
In this series of four articles, fundamentals, as well as advanced topics of image processing using MATLAB,...

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