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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!
Reference Design For A Class 0.5 3-Phase Smart Meter
TIDM-THREEPHASEMETER-F67641 from TI is a reference design that can calculate active and reactive power and energy, RMS current and voltage, power factor, line frequency,...
Connecting Arduino To The Internet
If you're new to Arduino and connecting Arduino to the internet, the process might seem complicated at first. Many beginners face challenges when it...
Identify and Classify Objects with Edge Impulse and ESP32 Cam
This device can recognize items like vegetables and fruits and help in segregating them as well as classify them as per their size and...
Reference Design For Multi-Button IR Remote Control
A wireless infrared remote control reference design for air conditioners and small home appliances, ensuring low power consumption and optimized performance.
In air conditioners and...
Arduino Gaming Glove
This Arduino-based gaming glove works like a mouse and keyboard in the air and allows you to control a graphic user interface (GUI). Enhance...
Reference Design For Bluetooth Low Energy Remote Control
The Bluetooth Low Energy remote control reference design, combines advanced capacitive touch sensing technology with Bluetooth 4.1-compliant connectivity, providing a versatile solution.
In the Internet...
Reference Design For A Polyphase Smart Meter
YBILL-IT-RX21ASMARTMETER from Renesas is a reference design for a polyphase smart meter.
The reference design has a dynamic range between 10mA and 100A over an...
Reference Design For A Single Phase Energy Meter
The Kinetis M Series One-Phase Power Meter Reference Design from NXP is designed for the measurement and registration of active and reactive energy in...
Generate 528Hz Miracle Tone with Arduino
This article discusses the concept of Solfeggio Frequencies and how we can generate 528Hz love frequency with Arduino.
The 528Hz tone is predominantly known among...
Reference Design For Smart Remote
Advanced Bluetooth low energy remote control reference design with unparalleled voice input options and ultra-low power performance.
An advanced, highly featured smart remote is needed...
Stop Water Cooler Damage with DIY Dry Running Protection System
With this dry running protection system, you can prevent your water cooler’s motor from dry running and activate it for about one-third of the...
Simple Stereo FM Radio Receiver Circuit
There are many AM/FM receiver circuits available, but the difficult part is making the coils and tuning the circuits. Without their proper construction and...
Interesting Reference Designs Of Wireless Chargers
Title of Reference Design
5-Watt Wireless Charger
15-Watt Wireless Charging Receiver
Wireless Battery Charger
Wireless Charging Transmitter
Wireless Charger for Wearable Applications
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Key Attractions
This reference design for a Wireless 5W...
Reference Design For An Automatic Liquid Dispenser
Reference design for a liquid dispenser that employs an infrared LED and a phototransistor to detect hand and dispense a predetermined amount of liquid.
Do...
Reference Design For Voice Remote Control
Unlock the potential of voice-based remote controls with the reference design, supporting Bluetooth low energy (BLE), ZigBee, and multi-standard protocols.
Remote controls serve as convenient...
Computer Vision Guided RC Car
Self-driving cars that use computer vision to detect the presence of obstacles in their path and to do waypoint navigation are being actively developed...
Telegram-based OTP Smart Locker to Open Door Lock Wirelessly
We often desire an OTP based locker that allows us to share a virtual key for one-time use to unlock it. This kind of...
Reference Design For 1 kW Cooling Fan
The 1 kW engine cooling fan's reference design for 12 V applications can be adjusted for similar applications with equal or lesser power needs.
An...