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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!

Reference Design for AI-Based Arc Fault Detection

AI and machine learning enable faster and more accurate arc fault detection for AC and DC applications, accelerating the development of intelligent safety systems. The...

Reference Design for Multi-Axis Motor Control

Design demonstrates multi-motor field-oriented control for industrial automation, robotics and appliance systems. A reference design from Microchip demonstrates how a 32-bit microcontroller platform can control...

Reference Design for Isolated AC Voltage Sensing

Reference design enables isolated AC voltage sensing for motor control, charging, and power applications, supporting accurate monitoring of high-voltage systems. A reference design from Vishay...

IoT Relay To Control Appliances Through The Internet Using Smartphone

Electrical appliances such as lights, fans, air-conditioners, TVs, and water pumps are typically operated using manual switches. This system enables these appliances to be...

Generative AI Smart Speaker

Smart speakers such as Alexa, Google Home, and Apple Home have transformed how people interact with technology, enabling voice-based control of smart devices, instant...

Compact Robotic Platform With Motor Driver On Chassis PCB

An N20 motor is a compact DC geared motor widely used in robotics and DIY applications. By combining a small DC motor with an...

Simple 12V To 24V Voltage Doubler

Many electronic circuits require a voltage higher than that available from the power supply. For example, when only a 12V battery or adaptor is...

Temperature-Based Dual Safety System For Smart Homes

A temperature-based dual safety system addresses common household risks through intelligent control. Built on an Arduino Uno, it operates in two selectable modes via...

5 Interesting Reference Designs For Automotive Electronic Control Units

What if ECU design was already done? The right reference design can do more than save development time. Explore reference designs that help engineers...

Reference Design for Intelligent Battery Shunt Sensor

The design enables accurate current, voltage, power and temperature measurements for high-voltage applications with CANFD communication. A new reference design of an intelligent battery shunt...

Reference Design for Isolated High-Current Sensing

The design enables isolated measurement of high AC currents while providing an analogue output for monitoring and control applications. The reference design offered by Vishay...

Reference design for High-Voltage Current Sensing

The design enables precise measurement of high AC currents while maintaining electrical isolation between the sensing and measurement circuits. Applications like EV powertrains, battery monitoring...

Reference Design for Isolated DC Voltage Sensing

Using an isolated sensing architecture, the circuit converts high DC voltages while maintaining electrical isolation between the input and measurement circuitry. In high voltage systems...

Humanoid Major Joint Motor Control Reference Design

The design helps you build motor control systems for humanoid robot joints faster by simplifying power and signal connectivity. Molex has released a Major Joint...

Industrial AMR Reference Design to Accelerate Robot Development

This design integrates industrial-grade hardware, AI computing, and ROS 2 software to simplify development, reduce integration complexity, and speed deployment of next-generation mobile robots. Autonomous...

Reference Design for 3.3 V Active Backup Power

Using supercapacitor-based energy storage, the circuit maintains power to 3.3 V systems during power interruptions and battery replacement. A reference design  by Vishay gives power...

Reference Design for Active Discharge of 800 V Systems

The active discharge circuit reduces stored capacitor energy to safer levels while eliminating the continuous power losses associated with conventional discharge methods. DC-link capacitors with...

GaN-Based Microinverter Reference Design 

Designed for modern PV modules exceeding 400W, the design demonstrates a high-frequency, single-stage DC-AC conversion approach that reduces component count, lowers BOM cost, and...
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