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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!

Bidirectional DC-DC Converter Reference Design For Automotive Systems

It offers a scalable multiphase option and utilises a highly integrated solution with automotive-qualified components, ensuring robust performance and reliability in automotive applications. A bidirectional...

7805 Voltage Regulator IC Pinout, Circuit, and Applications

Voltage sources in a circuit may have fluctuations resulting in not providing fixed voltage outputs. A voltage regulator IC maintains the output voltage at...

Solar Breaker Reference Design

The solution for single-phase residential solar installations is designed for operation under high temperatures and includes advanced power monitoring and fault detection capabilities. Solar breakers...

Automotive Door Control Switch Reference Design

This reference design provides an efficient, lightweight, and cost-effective alternative to traditional automotive door control switch panels, paving the way for advanced automotive control...

HEV/EV HVAC eCompressor Motor Control Reference Design

The reference design used sensorless field-oriented control without a position sensor, aiming to reduce development time and enhance system efficiency. For decades, the internal combustion...

Sawtooth Waveform Generator

A sawtooth waveform is a type of linear, non-sinusoidal waveform with a triangular shape in which the rise time and fall time are different....

AC Level 2 Charger Platform Reference Design

The AC level 2 charger platform features a low standby power stage, control interfaces, and applications for residential and commercial settings, ensuring energy management...

Simple FM Radio Receiver Using AN7236

This is a simple FM Radio Receiver that is built around a single IC1 AN7236 (18-pin), a single HF transistor Q1( BF 494) and...

Mobile Cell Phone Charger Circuit using 555 Timer

Cellphone chargers can be a major challenge while traveling, as power sources are not always easily accessible. If you keep your cellphone continuously on,...

GPS Tracker With Arduino

We have designed an Arduino-based GPS Tracker using the NEO-6M GPS Module. A GPS (global positioning system) tracker utilises satellite signals to accurately determine the...

IoT Based Electricity Energy Meter with Dashboard 

Track your electricity usage effortlessly with our non-invasive IoT energy meter. Real-time monitoring, easy setup, and safe for all electrical setups. Energy meters in homes...

Wearable Electrocardiogram Reference Design

The Wearable ECG reference design measures heart rate data and movement and enables IoT connectivity for health management. Electrocardiogram (ECG) heart data, which provides a...

Heart-Rate Monitor Wrist Band Reference Design

The design features compact components suitable for creating efficient heart rate monitors with advanced functionality and performance. Wearable devices are valued for compactness, often designed...

56G Retimer MCB Reference Design

This reference design effectively uses the DS560DF410 retimer in a versatile, high-performance MCB suitable for various high-speed data communication applications. The 56G PAM-4 retimer DS560DF410...

Guide To Calculating PCB Area: Optimization Strategies & Cost Reduction

Calculating the area of a Printed Circuit Board (PCB) accurately is essential for optimizing the layout and cost-effectiveness of these crucial components in electronic...

Wearable Demo Reference Design

This comprehensive integration of sensors and connectivity solutions provides a robust reference design for wearable technology. It ensures high performance and low power consumption...

Wearable Sensor Unit Reference Design

The reference design fits within a watch strap for real-time activity monitoring and seamless sensor interaction, optimized for wearable and portable applications. Wearable sensor units...

DSP + ARM Processor Audio Processing Reference Design

The design is equipped with a simple serial user interface, facilitating easy interaction and control.  The Reference Design TIDEP0069 by Texas Instruments is an advanced...
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