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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!
Mini Offline UPS
Most of the systems are powered by AC mains. Uninterrupted power supply systems (UPSes) are there as a back-up to power the systems when...
Visual and Audible Monitor for Electronic Interfaces
Most of the modern PCs and embedded systems have digital interfaces as RS232, printer ports, LIN, etc. for exchanging of commands and data with...
Panic Alarm
If you feel threatened or need emergency assistance, simply activate this panic alarm. It will catch the attention of others for immediate help. The...
Shock-Proof Remote Switch
Using this shock proof remote switch circuit, you can control any AC/DC appliance remotely through inexpensive, low-voltage cabling and a standard push switch. The...
Infrared Burglar Alarm
A special feature of this infrared burglar alarm is latching operation. Also, the circuit is highly sensitive.
The circuit comprises transmitter and receiver sections. Whenever...
Android Smartphone As Barcode/QR Scanner
We are all familiar with the barcode scanner used in shopping malls, logistics and other places.
These can scan only barcodes and are usually wired....
Digital Soil Moisture Meter
A digital soil moisture meter is used for indicating the water content of a given soil sample. As crop production requires water at different...
Low-Range AM Radio Transmitter
Here is a simple low range radio transmitter for transmission up to 25 metres. It is basically an AM modulator whose signal can be...
10 Microcontroller Based Projects You Must Not Miss!
Looking for some microcontroller based projects to work on? Check out this list and let us know which ones you like.
1. Microcontroller-Based Tachometer
A tachometer...
Ultra-Low-Power Sensor Hub Using nRF24L01 Modules
Presented here is an ATmega328P microcontroller-based ultra low power sensor hub using nRF24L01+ radio frequency (RF) transceiver modules having transmitter and receiver units.
The transmitter...
Computer Vision Based Quality Control Using Python
Quality control is an important process in all manufacturing industries. Normally, it includes checking the final product on sample basis and confirming whether the...
Decade Counter Based Flash Light
This decade counter based flash light circuit generates flashing lights in running pattern. In conventional running lights, the LEDs glow one by one. In...
Audio Noise Limiter
Audio noise can be annoying, especially if you are trying to listen to a very weak radio station. Peaks of unwanted background noise completely...
15 Free Mechatronics Books
Presented here are the 15 best free mechatronics books that will come in handy for robotics and mechatronics enthusiasts.
1. Robotics
Author/s: Wikibooks
Publisher: Wikibooks, 2012
The author...
Battery Level Indicator
Normally, in mobile phones, the battery level is shown in dot or bar form. This lets you easily recognise the battery level. Here we...
WordPress Web Server Setup on Raspberry Pi
WordPress is a PHP and MySQL based open source blogging platform and content management system. It is a popular blogging system and includes features...
Phone Broadcaster
Here is a simple yet very useful phone broadcaster circuit which can be used to eavesdrop on a telephone conversation. The circuit can also...
Designing Anti-Sleep Alarm Circuit
Most accidents on highways at the night occur due to drivers’ poor vision caused by the continuous exposure of their eyes to the bright...