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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!
Automatic Ambient Light System With IoT Home Automation
Wouldn’t it be amazing if our room light automatically adjusts its brightness according to our needs? Or if we can control the brightness of...
Stop Tank Overflow With This Wireless Water-Level Indicator-Cum-Controller
Simple Overflow Stopper For Water Tanks
Water Level Indicator Circuit (LED based)
Water Level Indicator using 7-Segment Display
Water Tank...
Greater Functionality Demands Higher Levels of Technology
Companies are trying to maintain their competitive edge by adding more functionality to their products. This is making systems that were previously relatively simple...
Hacking Bluetooth Headset To Control A Robot
In this project, an old Bluetooth headset can be used, along with a cellphone to make a robot controller, without a microcontroller (MCU) or...
Smart Receptionist With Smartlock System
Presented here is a security system that lets you see a visitor while your main office door is locked. If you are in...
Monitor Light Level In Underground Mines And Caves
This circuit monitors light in surrounding areas at all times, displays light level on the LCD and sounds an alarm when light level becomes...
Electronic Candle
Electronic or flameless candles are an alternative to traditional wick candles. These are used for home décor and do not carry the risk of...
Meter To Measure Short Distances
This Arduino-based distance meter can be used for measuring the distance between the sensor and object in the range of 2cm to 400cm using...
How To Minimise Electromagnetic Interference And Improve Compatibility In Medical Devices
This article talks about methods to improve EMI and EMC in medical devices.
Electromagnetic compatibility (EMC) of a device means that it is compatible with...
Wi-Fi & Bluetooth Mesh Enabled IOT Smart Device For Athletes
This device can provide real-time data of the movements of players during trainings and games, like acceleration, angle and directions, as well as their...
LED Torchlight
Most commercial torchlights use three AA or AAA cells connected in series, which produces 4.5V to drive white LEDs using a current-limiting resistor. These...
Dual-Colour Stroboscope
Stroboscope is a device used to make a cyclically moving object appear slow-moving or stationary. This is realised by illuminating the object intermittently with...
Make Your Own Joystick for Robot
Here is a simple joystick to control a robot to move in forward, backward, right, left, clockwise (CW) and counter-clockwise (CCW) directions using six...
Voltage Regulator as Audio Amplifier
LM338 voltage regulator can also be used as an audio amplifier. The output voltage can be controlled by varying the IC’s reference voltage (pin...
Make Your Own ESP8266-12E/F Module Programmer
This article describes a method for making an ESP8266-12E/F module programmer and also discusses the support circuitry required for real-time applications.
NodeMCU board is a...
Home Automation System For Up To Four Devices
This project is designed to control up to four home electrical devices using Node-RED, Raspberry Pi and local Wi-Fi network. Node-RED is a flow-based...
Appliance Guard To Prevent Damage
This circuit monitors the AC current flowing through an electrical appliance and automatically turns the appliance off when the current goes beyond maximum or...
IoT-Enabled Air Pollution Meter With Digital Dashboard On Smartphone
Presented here is a IoT enabled air pollution meter to monitor air quality on your smartphone using Blynk application and Arduino board. Blynk is...