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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!
Portable Power Tool Reference Design
It meets the needs of DIY users and professionals alike by combining advanced motor control, optimized power management, and versatile connectivity in a robust,...
World’s Smallest Programable Indus Phone Design (Part 2)
This is the second part of designing the world’s smallest phone Indus Phone, where the UI is integrated with the basic functions of the...
STK435 IC-Based Stereo Amplifier
This stereo AF amplifier uses the STK435 IC, a highly popular choice due to its simplicity. The STK435, with its 15-pin configuration, requires only...
Arduino-based Sewer Drain Shield for Smart Cities
Drainage systems are vital for storm water management but often transport pollutants, especially plastics, to rivers and oceans, harming ecosystems. Traditional sewer cleaning methods...
ESP32 Speech Function: Text to Speech
Speech capability in technology primarily has two dimensions: text to speech (TTS) and speech to text (STT). This ESP32 Text-to-Speech device focuses on TTS....
Street Light Controller
Two of the problems commonly associated with street lights are false triggering due to slight variation in the intensity of ambient light and no control over switching action. Here is a simple switching circuit for street lights that overcomes these problem
Flame-Sensing Fire Alarm Using an Arduino Nano
Fire safety alarms are crucial in both residential and industrial environments. Early fire detection can prevent significant damage and save lives. Flame sensors offer...
IoT-Based Distribution Transformer Condition Monitoring System
The proposed IoT-based distribution transformer condition monitoring system enables real-time monitoring of distribution transformers, identifying such deviations as overload conditions and overheating. Through IoT...
300W Wireless Power Transfer Reference Design
The 300W Wireless Power Transfer system is designed for powering devices such as drones and EVs, achieving over 90% efficiency with a compact design.
Wireless...
Distributed Multi-Axis Servo Drive Reference Design
The design features a multi-axis servo drive system using a fast serial interface for enhanced communication suitable for industrial automation and robotics.
Motion control is...
Reference design For 150W Coolant Pump
It operates with input voltages ranging from 7V to 18V, ensuring compatibility with automotive power systems and applications requiring 3-phase full-bridge topology.
A 150W coolant...
Micro Inverter – Battery Charger Circuit
Need a quick power boost? This simple circuit converts 12V DC to 230V AC. Perfect for relaxing with a night lamp or charging your...
IoT based Entry and Exit Monitoring System
The IoT based Entry and Exit Monitoring System is an RFID-based solution for tracking individuals entering and exiting a monitored area. Each person scans...
20 Things that Electronic Product Designers Should Look for!
Discover 20 essential focus areas for startups and MSMEs in product development, from architecture to innovation, and navigate the path to success in the...
Discrete RF Sampling Transceiver Reference Design
The RF sampling transceiver reference design supports up to 5GHz bandwidth for crucial communication and radar functions in space applications.
Space-grade discrete RF sampling transceivers...
Pulse Oximeter And Heart-Rate Monitor Reference Design
With dual optical channels, flexible interfaces, and a rechargeable battery, it provides a ready-to-use platform for wearable development, making early detection of health issues...
Reference Design For 1kW LLC Module
By combining high efficiency, compact size, and reliable performance, it sets a new benchmark for power conversion designs, making it a versatile solution across...
Stacked Overvoltage Battery Protector Reference Design
The design ensures voltage monitoring, supports integration with various monitors, and provides protection through fuse-blowing mechanisms for safety.
Secondary-level protectors are now required for 48V-60V...