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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!

Compact Hybrid PFC Plus Flyback Reference Design

Designed for consumer and industrial power supplies, it delivers precise voltage regulation, overcurrent protection, and operational logging, helping engineers reduce PCB size and system...

RFID-Based Smart Metro Ticketing System Using Arduino and IoT

Metro smart automated systems always look cool to us. You can scan and rescan to travel just using a MetroCard. No need for special...

EtherCAT P Reference Design For Industrial Networks

It combines high-speed communication and power delivery over a single cable, reducing wiring complexity in factory automation, robotics, and process control.  The EtherCAT P Reference...

Radial Graphics Display Reference Design

Control IoT devices with a swipe. One board, round screen, wireless built-in. See how this design can speed up your product idea. The PIC32MZ DA...

Install Multiple ESP32 Board Versions – Full Tutorial

In this tutorial, we will learn how to install multiple versions of the ESP32 board package in the Arduino IDE. Once set up, you’ll...

USB Type-C Connector Reference Design

The USB design separates data and power for safer, faster, and cleaner connections from factories to hospitals. See more! The CN0590 is a galvanic isolation...

High Voltage Reference Designs For EV 

Five new reference designs, spanning 16 W to 120 W and featuring both wound-core and planar transformer options, are set to enhance DC-DC conversion,...

UART Reference Design For FPGA Based Applications

Ideal for applications in industrial, automotive, and consumer electronics, this ready-to-integrate IP core enables fast, reliable data exchange with minimal resource usage and faster...

Interesting Reference Designs Of 100W LED Driver

Title of Reference Design100W LED Commercial Power Supply100W Flyback LED Ballast100W LED Driver100W Dimmable DC-DC LED Driver100W High-Efficiency LED DriverImageKeyAttractionsThe reference design lets lights...

DC-DC Buck Converter Design: 1.2V–3.3V High-Efficiency Circuit

A buck converter is a DC-DC power converter that efficiently steps down a voltage. It uses an inductor, resistors, and a capacitor to regulate...

Electronic Toggle Ratchet Relay Circuit

An electronic toggle ratchet relay is a specialised relay that, unlike standard relays, retains its state (on or off) even after the control signal...

Advanced Satellite for Telemetry and Remote Access

Advanced Satellite for Telemetry and Remote Access (ASTRA) is a CubeSat model designed to offer hands-on experience in satellite technology. It serves as a...

DIY LED Strip Controller with Motion Sensor

Decorative lighting has become quite popular, with options such as LED surface panels, strip lights, COB lights, spotlights, and profile lights that are widely...

Power Saver Air Conditioner Circuit

This air-conditioner (AC) power saver circuit can control the operation of two separate AC units, reducing energy consumption during preset periods and cutting overall...

Mini FM Radio Earbud: DIY RDA5807M Receiver Circuit Project

In the June issue, the construction of a Miniature Watch-Style FM Radio delivering stereo FM output was described. Building on that concept, the next...

AI-Powered Smoking Detection System Using MaixCam and YOLOv5

Over the past few years, smoking prevalence among adults in India fell from 14.0% (2009-2010) to 10.7% (2016-2017), thanks to public smoking bans, advertising...

Current Loop Transmitter Reference Design

The design uses two signals to control current more accurately, changes them into a smooth voltage, and works safely with microcontrollers in small systems. The...

Wireless Power Transmitter Reference Design 

With enhanced foreign object detection, secure authentication support, and a compact footprint, it's ideal for integrating mid-power wireless charging into automotive, industrial, and consumer...
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