Filter by Categories
HomeEngineering 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!

Simple Antenna Preamplifier for AM Radios

AM radios are still used for capturing transmissions from long distances (DX reception). But AM radios normally require long (10-30m) outdoor antennae. That is...

Power Measurement and Control Using Programmable Logic

In a complex system design, power consumption of hardware components is a very important performance metric because of the resulting thermal and reliability concerns....

Part 2 of 3: Using AVR Microcontroller for Projects

In the first part of this article, we had described the main features of the AVR microcontroller and the hardware/software required for an AT-PROG...

How to Design Medical Devices for Rural India

Medical devices intended for use in rural India have certain differences compared to those used almost everywhere else. In this article, we consider the...

Soldering Iron Tip preserver

Although 60/40 solders melt at about 200°C, the tip temperature of a soldering iron should be about 370°C. This is necessary to make a...

Standalone GPS Receiver with LCD Display

This AVR microcontroller-based global positioning system (GPS) receiver can be used to find the exact location of a place and know its standard time....

Put your own Smiley on GLCD

The regular 16×2 LCD can display characters of only certain dimensions. A graphical LCD (GLCD), on the other hand, can display custom graphics. GLCDs...

Remote Controlled Wireless Doorbell

This circuit lets you wirelessly control an appliance from a remote place by using a wireless doorbell. The appliance is triggered by the signal...

FM Bug

This FM bug transmitter circuit will let you spy on people. The transmitter can be placed in the desired room and the conversation heard...

Calling Bell Using an Intercom

Here is a simple calling bell circuit that can be used in small offices to call the office boy using an existing intercom system....

Simple Stereo Level Indicator

Usually, low-priced home stereo power amplifiers don’t have output level indicators. An output power level indicator can be added to each channel of these...

Circuit Design Calculator Using ‘C++’

While designing electronic circuits, component values are calculated using formulae from the circuit’s theory. These calculations waste a lot of time. This circuit design...

JavaScript Based Man-Demon Puzzle Simulator

Man-demon puzzle is like a classic river-crossing puzzle. The missionaries-cannibals—one of the river-crossing puzzles—is a well-known game problem in artificial intelligence, where it is...

Rainbow Clock

Here is a simple circuit using different colour LEDs that makes your clock glow in different colours of rainbow. The clock’s dial (shown in...

Buffer and Driver for Square-Wave Signals

Most square-wave generators have a single output that doesn’t have a high driving capability/slew rate or is not adjustable in the required amplitude range....

Phonebook for PC Using Memory Access Functions in ‘C’

Programming languages like ‘C’, Assembly and Java are used in embedded system development. Of these, ‘C’ is most commonly used because it is more...

Phone Bell Auto Silencer

Telephone ringing all of a sudden in the middle of a serious meeting is quite irritating. The automatic bell silencer circuit described here is...

Programmable Industrial On-Off Timer With RF Remote

In most of the modern manufacturing and processing industries, there is complete industrial automation through sophisticated hardware and software like programmable logic controller (PLC),...
1...160161162...175Page 161 of 175

Most Popular DIY Projects

Unique DIY Projects

Electronics News

Truly Innovative Electronics

MOst Popular Videos

Components Corner