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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!
750W AC/DC Reference Design
The reference design demonstrates peak current control in a ZVS Full-Bridge topology with digital slope compensation for efficiency and reduced software overhead.
The power electronics...
Generate Power Using Microturbine
Presented here is the Hydropower Generation circuit that generates power from a water pipe in a building using a microturbine. The generated electricity can...
How To: Make Decorative And Automated Garden Watering
Key Takeaways
What is a Decorative and Automated Garden Watering System?
How to interface a soil sensor with your garden soil.
Step-by-step installation of your Decorative and...
Making Your Own Programmable IndusPhone Design (Part 3)
Today, we're diving into some super exciting stuff:
Extracting contacts and phone book from a SIM card
Designing a calculator (yup, your very own!)
Making the dial...
Multi-channel Lithium Ion Battery Testing System Design
The 8-channel lithium-ion battery testing system is designed for high-demand uses, offering reliable charging control and temperature checks.
The multichannel lithium ion battery testing system...
Inductive Sensing 32-Position Encoder Knob Reference Design
Designed to withstand dirt, moisture, and oil, this solution eliminates wear-prone parts and avoids magnet reliance, enhancing longevity in automotive, appliance, and consumer electronics...
SEPIC Converter Reference Design For Server Battery Backup Charging
The design combines high efficiency, precise control, and compactness, making it an excellent choice for high-power applications in demanding environments and the flexible control...
QR Method Isolated Power Supply Reference Design
The design offers a 20V output with advanced power management, efficient QR operation, and comprehensive safety features, suitable for high-demand devices.
An isolated 90W 20V...
Automatic Water Pump Controller
Here’s a circuit for an automatic water pump controller that manages the operation of a water pump motor. The motor automatically turns on when...
Arduino based Window Alarm Annunciator
Presented here is a window alarm annunciator based on Arduino Uno board. An annunciator is mainly used in process plants, power plants and industries...
100 W LLC DC-DC Converter Reference Design
The converter design provides efficiency and compact design, suitable for industrial equipment and various applications, achieving 88% efficiency at full load.
The LLC DC-DC Converter...
Two-Phase Interleaved LLC Resonant Converter Reference Design
With its robust design and flexible control options, this resonant converter is an ideal solution for a variety of applications, including server power supplies,...
Digital LLC Converter Reference Design
The converter board system converts 390 V DC to 12 V/21 A, achieving over 96% efficiency. It’s designed for safe use in labs and...
Interleaved LLC DC to DC Converter Reference Design
The 60 kW 3-phase interleaved LLC DC-DC converter doubles power output, optimizing operations in demanding applications like EV charging.
LLC DC-DC converters are key components...
Exploring Variable Thevenin And Norton Small Signal Equivalents for Preamplifier 5G Antenna Circuits Using BJTs
PSpice is central to the 5G transformation, offering powerful simulation capabilities that act as a secret weapon for fine-tuning BJT circuits to excel in...
Haptic Feedback Metal Touch Button Reference Design
This design offers an advanced, reliable alternative to traditional mechanical buttons, improving durability and user satisfaction across multiple applications.
Many modern systems and devices, spanning...
Smart GPS Tracker Using Arduino: Ensure Safety For Kids And Vehicles
Today, we’re going to build a smart gps tracker using Arduino that can help you keep tabs on your child’s location – and as...
Thermal Printing Reference Design
The design helps control thermal printers effectively, ensuring accurate printing even when the operating system is unpredictable.
Thermal printing is a critical technology widely used...