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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!

40W Isolated Flyback Power Supply

Reference design delivers a 40W isolated flyback power supply with PWM control, integrated high-voltage switching and high conversion efficiency for industrial power applications. ROHM Semiconductor...

Humanoid robotics audio subsystem reference design

See how this reference design helps engineers build robot audio systems with voice capture, AI support, and microphone arrays. As humanoid robots become more capable,...

200W Active Clamp Forward Converter

Reference design delivers a 200W isolated DC-DC converter using an active clamp forward topology with synchronous rectification for high-efficiency power conversion. Toshiba Electronic Devices &...

Reference design simplifies high-performance drone motor control development

A new reference design combines integrated motor control, CAN connectivity and field-oriented control to improve drone propulsion efficiency, responsiveness, reliability and development speed. Microchip Technology...

Multi-Protocol Wireless Module Platform

Reference design provides a chip-down platform for developing multi-protocol wireless modules with validated RF guidance, production-ready resources and streamlined product qualification. Microchip Technology has introduced...

Turn ESP32 Into Self-Programming AI Microcontroller with ESP-Claw

This tutorial explains how to install ESP-Claw, configure the firmware and LLM, and test the system with a practical ESP32 example. ESP-Claw Turns an...

NE555 Timer Rebuilt in PSOC 4: A Hands-On Mixed-Signal Design Tutorial

Designed by Hans Camenzind in 1971, the NE555 timer IC went on to become one of the most widely manufactured electronic components ever made....

Three-Phase Multilevel Inverter

Reference design delivers a five-level three-phase inverter using MOSFETs for industrial motor drive and power conversion applications. Toshiba Electronic Devices & Storage Corporation has introduced...

EnviroSense AI Brings Edge Intelligence to Environmental Monitoring

Microchip's EnviroSense AI reference design combines edge AI, multi-sensor monitoring and real-time classification to enable intelligent environmental monitoring without cloud dependence. Microchip Technology has introduced...

High-Efficiency Server Power Supply 

Reference design delivers a 3kW server power supply with high efficiency and compact power density using surface-mounted silicon carbide MOSFETs. Toshiba Electronic Devices & Storage...

NFC Business Card with Energy Harvesting

NFC (near field communication) is a short-range wireless technology that enables data exchange between two devices placed within 4cm of each other. In an...

YOLOE – YOLO For Everything!

This article describes how a YOLO-based model can be extended to detect both standard object classes and previously unseen or user-defined objects without retraining...

IoT Device Health Monitoring Over MQTT

IoT devices are widely used to monitor and control physical systems such as lights, fans, motors, and industrial equipment. This system extends that capability...

Open Source Model Rocket: Design and Simulation

In the previous article in this series, ‘Open Source Model Rocket: Design And Simulation (Part 1),’ published in June issue, the model rocket was...

Bi-Directional Li-Fi Optical Communication System

A bi-directional Li-Fi (light fidelity) optical communication system has been developed for high-speed, two-way digital data transfer over free-space optical links. Using laser diodes,...

Universal Power Supply

A regulated DC power supply is one of the most useful tools for electronics hobbyists, students, and repair technicians. During circuit development and testing,...

5 Interesting Reference Designs For Building Blocks For Humanoid Robots

Explore reference designs for humanoid robots covering motion control, AI, sensing, motor drives, and power systems. Humanoid robots rely on precise, coordinated motion to walk,...

Three-Phase Inverter Board

Reference design delivers a three-phase inverter board using 1200V silicon carbide MOSFETs to drive AC 440V motors in industrial power applications. Toshiba Electronic Devices &...
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