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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!

2 kW Four-Phase Interleaved Buck Converter

Reference design provides a high-efficiency 48 V to 12 V DC-DC conversion platform using coupled inductors and voltage-mode control. Texas Instruments has developed a 2...

240W Dual-Phase Battery Charger

Reference design provides a compact, high-density buck-boost battery-charging platform for notebook and portable applications. Texas Instruments has developed a compact dual-phase multi-cell battery charger reference...

People Counter Using An IR Sensor

A people counter enables real-time occupancy monitoring, making it ideal to check occupancy in offices, factories, libraries, meeting halls, and other public spaces. The...

Wi-Fi-Controlled Robot Toy Car Using IndusBoard Coin

This Arduino cloud-based IoT toy car can be controlled remotely using a smartphone, tablet, or laptop connected to the internet. The design can also...

Face-Tracking System Using A Laptop, ESP32, And YOLOE

The system combines a laptop running the YOLOE (You Only Look Once – Everything) face-detection model with an ESP32 for servo control and sensor...

AI-Based Substation Load Monitoring And Prediction

The growing electricity demand is increasing substation loading, making accurate load forecasting essential for transformer planning and reliable operation. This article presents an AI-based...

Wi-Fi Tool And Indoor Location Tracking Device

Modern Wi-Fi signals can do more than transfer data. These radio waves can be analysed using channel state information (CSI) to detect movement, estimate...

BFO Metal Detector

This BFO (beat frequency oscillator) metal detector system demonstrates the practical application of analogue signal mixing and processing techniques. Beat frequency oscillator provides one...

Edge AI Readiness Beyond The Model

Why deploying AI at the industrial edge demands far more than an accurate model. A representative industrial lab deployment revealed a gap between model performance...

Tips To Avoid Common Design Challenges

Hardware does not forgive assumptions. Challenging common misconceptions, exposing real design mistakes, and following disciplined design practices can prevent costly PCB re-spins. We will explore...

5 Interesting Reference Designs Of DC-DC Converters For EVs

Build better EV power systems with these five DC-DC converter reference designs for charging and battery management. DC-DC converter reference designs help engineers address the...

Build an AI Powered Advanced Driver Assistance Systems (ADAS)

In Advanced Driver Assistance Systems (ADAS), semantic segmentation is one of the most important computer vision technologies. Unlike traditional object detection, which only identifies...

60 W High-Current Power Supply 

Reference design provides a 12 V output for CCTV and strip-lighting applications using a flyback topology with secondary-side regulation. Vistar Technovation has developed a 60W...

10 Solar Electronics Projects You Can Build at Home

In this article, we have compiled some of the best DIY solar-powered electronics projects that you can build, learn from, and adapt for your...

Employee Counter Circuit

Monitoring how many people enter or exit a space is essential in many environments such as offices, factories, libraries, and meeting halls. Manual tracking...

High-Power PoE Adapter Reference Design

Reference design provides a 52 V DC output for Power over Ethernet systems using a flyback topology and secondary-side regulation. Vistar Technovation has developed a...

Turn ESP32 Into Offline Text-to-Speech Device Without Internet

This project shows how to build an offline text-to-speech system using an ESP32-based IndusBoard Coin, TalkiePCM, and a MAX98357A I2S amplifier. Unlike cloud-based TTS...

High-Current 12 V Power Supply

Reference design provides a 12 V, 20 A power supply using a forward and flyback topology for CCTV, LED display and industrial applications. Vistar Technovation...
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