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HomeEngineering Projects For You

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!

High-Voltage Flyback Supply

Reference design delivers a 48W isolated flyback power supply using an integrated 1700V SiC MOSFET for wide-input industrial power applications. ROHM Semiconductor has developed a...

Turn Raspberry Pi Into Smart Barcode and QR Code Scanner

Barcode and QR code readers are widely used in inventory tracking, retail billing, office management, and event check-ins. They help identify items quickly and...

IoT-enabled Smart Weighing Scale that Talks, Calculates, and Keeps Track of Sales

A smart talking grocery scale is an advanced digital weighing scale designed for small shops, grocery stores, and home use. It accurately measures the...

Programmable Isolated Flyback Converter

Reference design provides a digitally programmable isolated flyback converter with wide input and output voltage ranges for industrial and automotive power applications. Microchip Technology has...

Non-Isolation Buck Converter Reference Design

This reference design converts AC power into a -12V supply using fewer parts, while offering low power use, built-in protection and a small board...

Edge AI Maintenance System

The reference design combines edge machine learning and Wi-Fi connectivity to enable predictive maintenance for industrial motors and rotating equipment. Microchip Technology has introduced an...

Automated test equipment reference design

A reference design shows how to build an 80V source and measurement unit for chip testers that can supply, measure, and test semiconductor devices. Automated...

Low-Side Current Sensing Board

The reference design enables accurate low-side current sensing for automotive and industrial equipment using a shunt resistor and a low-noise operational amplifier. ROHM Semiconductor has...

High-Density 240W Power Converter

Reference design enables high-density DC-DC power conversion using GaN MOSFETs with a wide input-voltage range and high output current.  Microchip Technology has introduced a 240...

GaN Reference Design Powers Bidirectional Converters

Enables compact, high-efficiency bidirectional power conversion for battery storage, EV charging, and grid-connected industrial systems.  The rapid adoption of renewable energy systems, battery energy storage,...

High-Voltage Modular Battery Management System

Reference design enables scalable battery management for high-voltage battery packs with integrated monitoring, protection, cell balancing and isolated communication. Microchip Technology has unveiled a reference...

Microchip Unveils High-Speed Edge Vision Reference Design

Microchip's new reference design combines PolarFire FPGA technology with CoaXPress connectivity to enable low-power, high-speed image capture for industrial edge vision systems. Microchip has introduced...

High-Voltage Hardware-Based E-Fuse

Reference design demonstrates a hardware-only e-fuse architecture for high-voltage AC and DC systems with configurable protection, bidirectional current blocking and modular implementation. Microchip has announced...

Wireless Control for Brushed DC Motors

Design enables wireless monitoring and control of brushed DC motors using Bluetooth LE for consumer, industrial and medical applications. Microchip has introduced a reference design...

Reference Design Simplifies High-Efficiency Residential Solar Inverter Development

Texas Instruments introduced a gallium nitride reference design enabling compact, efficient 3.6kW residential solar inverters with integrated wireless connectivity and simplified development. Texas Instruments has...

DIY 3D LiDAR Mapping: Convert a 2D LiDAR into a 3D Scanner

This is a DIY electronics project article that teaches how to build a low-cost 3D LiDAR mapping system using a standard 2D LiDAR sensor,...

Reference Design Enables Isolated Automotive Power

Built around the BD7F105EFJ-C flyback converter, the REF67006 reference design generates an isolated 16.5V output from an 8V–32V input, helping engineers accelerate automotive and...

DIY ESP32 Voice Recorder with SD Card and OLED Display

This project demonstrates how to build a compact portable digital voice recorder using an ESP32-S2-based IndusBoard Coin, an INMP441 I2S MEMS microphone, an OLED...
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