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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!
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...
Build Your Own Stereo Amplifier Using TDA2822
Here is a simple stereo amplifier that can be used to amplify audio from mobile devices. IC TDA2822M used in the circuit comes in...
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 e-Books
Presented here are 15 free mechatronics ebooks, that will come in handy for robotics and mechatronics enthusiasts.
1. Robotics
Author/s: Wikibooks
Publisher: Wikibooks, 2012
The author of the...
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...
Dice with 7-Segment Display
This 7-segment display dice circuit has been realized using an astable oscillator circuit followed by a counter, display driver and a display. Here we...
Fuel Reserve Indicator For Vehicles
Here is a simple fuel reserve indicator circuit for monitoring the fuel level in vehicles. It gives an audio-visual indication when the fuel level...
Understanding Signal Frequency Spectrum
A signal can be viewed as a composition of a number of sinusoidal signals with varied amplitude, frequency and phase. Distinguishing this composition requires...
Automatic Water Pump Motor Controller
Municipal corporations in many cities supply water during early morning hours. So, you have to wake up early, just to switch on your motor...
Simulation of 7-Segment Display Using LabVIEW
A digital decoder IC is a device that converts one digital format into another, and one of the most commonly-used device for doing this...