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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!

11 kW Charger Powers EVs and Grid

Reference design integrates an 11 kW three-phase onboard charger and 2.5 kW low-voltage converter for bidirectional electric vehicle power applications. Texas Instruments has developed a...

How to Reduce Cable Power Loss in Water Heaters

Reducing cable power loss is becoming increasingly important as the number of high-rise apartments and the number of floors in these buildings continue to...

200W Power Factor Correction Supply

Reference design delivers a high-voltage DC output from a wide AC input range using boundary current mode control for power factor correction. ROHM Semiconductor has...

Compact system-on-module design streamlines embedded product development workflows

A new reference design combines integrated processing, connectivity and modular expansion to help engineers accelerate embedded system development across demanding applications and varied product...

Buck converter module with integrated inductor reference design

A compact buck converter design converts a wide input range to a low-voltage output while delivering 3 A in limited board space. Texas Instruments (TI)...

6.6W Isolated Auxiliary Power Supply

Reference design provides isolated and non-isolated 12V auxiliary outputs from a wide 20V to 48V input range for power-conversion applications. Microchip Technology has developed a...

Reference Design for Modular Embedded Systems 

It combines microcontroller, analog, sensing, data-conversion, and power functions to help engineers rapidly prototype and validate embedded-system architectures. Microchip Technology’s Building Block Solutions Embedded Systems...

5 kW Three-Phase Inverter Evaluation Kit

Reference design provides a several-kilowatt three-phase inverter platform using a silicon carbide power module for high-power conversion applications. ROHM Semiconductor has developed a reference design...

Building a Low-Latency Endoscopic Camera System

There is a moment during minimally invasive surgery when everything depends on the camera. The surgeon is working entirely from what appears on the...

24 W Isolated Flyback Power Supply

Reference design provides an isolated 12 V power supply with PWM control for industrial and general-purpose AC-DC applications. ROHM Semiconductor has developed a reference design...

A 500W Onboard Charger For EV Two-Wheelers

A 500W onboard charger reference design uses gallium nitride transistors to enable electric two-wheelers to charge from standard AC outlets without specialised charging infrastructure. Renesas...

Reference Design for Ultrasonic Fragrance Diffusers

A reference design helps build fragrance diffusers with mist control, water sensing, touch buttons, lights, and fan control. Holtek’s 3MHz/5V/5W fragrance diffuser reference design provides...

Two-Stage High-Current DC-DC Converter

Reference design provides a high-efficiency two-stage DC-DC converter that delivers 1.2 V at 100 A from a 48 V server power bus. Toshiba Electronic Devices...

Reference design for humidifier

A humidifier reference design helps control mist, adjust output, detect low water, and track frequency for ultrasonic humidifiers. Holtek’s 1.7MHz/24V/20W humidifier reference design shows how...

DIY Flight Radar: Track Aircraft in Real Time

The purpose of this Flight Radar is to track Unmanned Aerial Vehicles (UAVs), drones, and flights flying overhead. It is not actually connected to...

1.3kW Half-Bridge LLC Converter

Reference design provides a 1.3kW half-bridge LLC resonant converter for data-centre, battery backup and industrial power applications. ROHM Semiconductor has developed a 1.3 kW half-bridge...

Compact System Platform Simplifies Embedded Product Development Cycles

An 800MHz processor module with M.2 connectivity offers developers a compact platform for flexible embedded designs, helping to shorten development cycles and further simplify...

Turn ESP8266 into Smart Dictionary That Finds Meanings, Synonyms, and Antonyms in Real Time

This Wi-Fi-enabled smart dictionary uses an ESP8266 NodeMCU to retrieve word meanings, synonyms, and antonyms from online APIs in real time. The project uses...
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