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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!
Bi-Directional Active Front End Reference Design
A bidirectional converter design shows how SiC devices handle charging and discharging in EV systems, with simple control and flexible setup for testing different...
I Turned My Raspberry Pi into an AI agent with OpenClaw That Can Control Apps, Shop & Automate Tasks (OpenClaw Guide)
The openClaw and AI agents represent a revolutionary advancement in AI. These agents can now perform real-world tasks beyond mere answering; they can also...
Switching Converter Reference Design
A single platform brings multiple DC-DC regulators together, helping you test performance, compare topologies, validate behavior, and move from evaluation to design integration.
The Building...
Solar Energy Harvesting Circuit
Summary:
A low-light solar energy harvesting system using the LTC3105 with built-in MPPT can efficiently extract power from indoor ambient light (as low as a...
Build Your Own IR Audio Communication System at Home
Infrared Audio Communication is a method of transmitting sound wirelessly using pulses of invisible light rather than radio waves. It works by modulating the...
SiC Gate Driver Reference Design
A 100 kW-class inverter reference platform that helps design engineers accelerate development of high-efficiency SiC-based traction and motor drive systems.
For design engineers working on...
433 MHz RF Signal Strength Detector
The 433 MHz RF Signal Strength Detector is a circuit designed to sense and measure the intensity of radio frequency signals in the 433...
8×8 Programmable Matrix Display For Primary School Kids – Teaching Aid
The Custom-built matrix display for Primary Kids' Character Visualisation" is an accessible innovation that revolutionises primary education.8x8 Programmable Matrix Display is a seamless and...
SiC-Based Three-Phase Inverter Design
A ready-to-use reference platform that helps engineers accelerate the development of efficient mid-power inverter systems using advanced SiC technology.
Designed around silicon carbide (SiC) technology,...
Energy-Efficient Ethernet Reference Designs
Start building a 24-port Ethernet switch faster. Test features, check performance, save power, and turn an idea into a working system with less effort.
These...
SiC Inverter Reference Design Simplified
It offers engineers a ready-to-use three-phase inverter platform, accelerating prototyping and evaluation of high-efficiency SiC-based power systems.
ROHM Semiconductor’s reference deign is particularly useful for...
I Turned Raspberry Pi into a QR Code based Entry System with Auto ID Cards
QR codes are widely used in entry and exit systems for various events to monitor the number of participants and ensure that only authorized...
400V DC eFuse Protection Reference Design
A high-voltage, bidirectional electronic fuse architecture demonstrating ultra-fast fault protection, low-loss SiC switching, and isolated current monitoring for 400V DC power systems up to...
48V Zone Reference Design
Cars are moving to 48V power systems. A new design shows how power can flow easily, use less wiring, and still run old 12V...
Wireless Smoke Detector Reference Design
It provides design engineers with a practical architecture, hardware components, and firmware framework for developing reliable and scalable fire-safety devices used in smart homes...
Smart Speed Monitoring System For Road Safety
Advances in embedded systems and sensors have enabled efficient, intelligent surveillance solutions that improve safety and control in transportation and automation applications. The system...
Real-Time Face Tracking Using Raspberry Pi 4 Versus Raspberry Pi 5 With Hailo-8L
Real-time face tracking has evolved from a research novelty into a practical tool for interactive robotics, surveillance, and automation. Advances in single-board computers and...
High-Voltage Capacitor Discharger
During repairs of vacuum tube equipment, switch-mode power supplies, microwave ovens, or similar systems, buffer or reservoir capacitors can retain potentially lethal voltages even...
