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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!

Speed Controller for Small Cooling Fans

Small cooling fans are used in some equipment for cooling semiconductor devices. The circuit given here is of a simple automatic speed controller for...

10 More Amazing Circuit Designs For Awesome Projects

Here's bringing 10 more circuit designs, to experiment, try and enjoy. Happy making! Atithya Amaresh 1. Earth Fault Indicator In mains-powered equipment, exposed metal parts are connected...

Charging Batteries Wirelessly in a Compact, Efficient Manner

Wireless Power System: An Overview As shown in Figure 1, a wireless power system is composed of two parts separated by a gap: transmit circuitry,...

Difference Counter for In and Out Gates

Sometimes, we need to know whether someone is still inside a building before it is locked. And if so, how many persons are still...

Designing Dual-Priority Encoder Using LabView

In priority encoder, if two or more inputs are equal to 1 at the same time, the input having the highest priority will take...

Efficient 5V Relay Driver

This design idea outlines a method to use an analogue switch and discrete components to reduce the power dissipated in relay actuation. Presented here...

C++ Implementation of Digital FIR Filters Using Blackman Window

This utility program can be a handy tool for anyone working in the field of signal processing with interest in implementation of the project...

Designing with FPGAs: FPGA-Embedded Processors (Part 5 of 5)

FPGA devices are suitable for implementing parallel algorithms. However, sequential algorithms, especially those that do not demand large processing power, are easier to implement...

Precision Null Detector

Precise determination of null point in AC/DC bridges helps us to evaluate accurate values of circuit components like L and C. Here’s a null...

Auto Snooze for Digital Alarm Clocks

Alarm clocks are made to wake you up. However, it is quite bothersome to hear the alarm continuously until you get up and put...

Simple Tester for 74xx04 and 74xx14 ICs

The integrated circuits (ICs) 74xx04 and 74xx14 are very frequently used and reused during circuit design. Here xx stands for HC, HCT, AC and...

Mains Operated Remote Control Tester

This handy remote control tester responds to the signal received from any infrared hand-piece (IR remote control). Circuit and working Fig. 1 shows the circuit diagram...

Designing with FPGAs: Clock Management (Part 4 of 5)

The focus in this article is on clock management in field-programmable gate arrays (FPGAs). It talks about the digital clock manager (DCM), which is...

Smoke Extractor

Here is a low-cost circuit that automatically extracts solder fumes while you assemble a circuit, thereby saving you from inhaling the same. The solder...

Processor Selection for Embedded System

When we began working on this article, the first question in our mind was about what made it worthwhile to spend time on this....

12 Android Apps for Electronics Engineers

Here are 12 awesome android apps for electronics engineers that can be used on your phone to get acquainted with electronics while on the...

Subwoofer for Cars

This system needs to be attached to an existing car stereo amplifier to add extra 'boom effect' to the music. It has a dedicated...

Designing with FPGAs: An RS232 UART Controller (Part 3 of 5)

The first and second parts of the article discussed the implementation of I2C master controller and LCD display using FPGAs. The focus in this...
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