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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!

Motor and Motion Control for Humanoids

Could a single motion-control platform bring together movement, sensing, communication, and AI processing in humanoid robots? The answer may change robot design. As humanoid robots...

High-Power Servo Drive Reference Design for Industrial Automation

It provides a complete reference design for next-generation robotics, CNC systems, and automated manufacturing solutions. The STEVAL-ISD01KCB from STMicroelectronics is a compact, high-power servo drive...

Humanoid robot hand reference design

What if six motors could run from a single controller? This reference design shows an approach for robotic hands and multi-axis motion systems. Humanoid robots...

Simple Solar Light Circuit

Summary: Automatic solar garden lights provide nighttime illumination without requiring grid power or complex wiring. A small solar panel charges a rechargeable Ni-Cd battery during...

Small Engine Control Reference Design

From fuel injection and ignition control to diagnostics and ECU communication, this reference design brings key engine management functions together for engineers to test...

Vehicle Control Unit Reference Design

See how engineers can build, connect, test, and validate vehicle systems using one reference design. The AS260 Vehicle Control Unit (VCU) reference design from Renesas...

Reference Design for Active Capacitor Discharge

What happens to stored energy after a system shuts down? This design shows a way to discharge it only when needed. High-voltage DC-link capacitors are...

5 Interesting Reference Designs For Air-Conditioner And HVAC Systems

From smarter compressors to sensor-driven climate control, these HVAC reference designs show how cooling systems are becoming far more intelligent and efficient. Modern air-conditioning and...

Batteryless Gaming Console

The Game Boy, the legendary gaming console of the 1990s, still holds a special place in the hearts of gamers. Its simplicity, durability, and...

High-Speed Li-Fi Data Transfer Using Laser Communication

A Li-Fi (light fidelity)-based optical communication system is designed to transmit digital data as light signals using a laser diode and a photodiode. Unlike...

Open Source Rocket Design and Simulation

Rocket design is one of the most exciting yet complex areas of engineering. It offers a completely different perspective on how physics behaves in...

Building Humanoid Robotic Arm at Home

Humanoid robotics is gaining popularity, though a common misconception remains that it is complex and expensive. This system is designed to simplify entry into...

A Smart Pillbox For Timely Medication

As families grow busier, maintaining medication schedules for seniors, home-bound patients, and children who may not fully understand medication routines can become increasingly difficult,...

Automotive high-voltage BMS reference design

A reference platform allows you to compare wired and wireless battery management architectures for EV battery packs with cell monitoring, balancing, and communication support. Texas...

Smart Power Cut-Off Timer for Chargers, Pumps & Home Appliances

In today’s fast-paced life, we often leave our mobile chargers, Laptop chargers or small appliances plugged in longer than necessary, especially during sleeping. This...

Automotive Radar Reference Platform for ADAS Development

Accelerate ADAS development with a 77 GHz radar platform supporting real-time sensing, object detection, prototyping, and radar integration for automotive applications. The Automotive Radar Reference...

Automotive Bidirectional DC-DC Converter Reference Design 

A modular DC-DC reference design integrates power conversion and MCU-based control functions, helping engineers accelerate development, simplify testing, and reduce design complexity in automotive...

AI Hand Gesture Controlled Mini Robot

Controlling a robot's direction, speed, individual wheel movement, and more via a single FPC wire makes the overall design compact and efficient. The system...
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