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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!

3 kW Server Power Supply

Reference design provides a high-density 50 V power supply using surface-mounted silicon carbide devices for server and telecommunications applications. Toshiba Electronic Devices & Storage Corporation...

Modbus RTU AC Power and Energy Meter

This Modbus RTU energy meter design is a low-cost, portable AC power testing and monitoring device that directly measures voltage, current, power, energy, frequency,...

300 W Automotive DC-DC Converter

Reference design provides an isolated 48 V output from a wide high-voltage DC input using a half-bridge LLC topology for automotive power systems. Texas Instruments...

USB Power Delivery Battery Charger

Reference design provides USB PD fast charging, bidirectional Type-C operation and power-path management for single-cell portable devices. Monolithic Power Systems has developed a USB Power...

USB-C PD Reference Design

A dual-port USB-C charger delivers up to 90W, shares power between ports, and protects devices from heat, voltage, and current issues. Microchip’s USB-C Power Delivery...

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...

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...
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