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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!
Automotive 5-W Inverting Buck-Boost Reference Design For Lidar
These buck devices are ideal for high-duty-cycle ranges and effortless startups below 5-V input.
The Simple Switcher's integrated FET in an inverting buck-boost configuration offers...
Wi-Fi Network Analyzer Smart Watch
We've developed a programmable Wi-Fi Analyzer Smart Watch that not only tracks health data but also allows users to customize and program various functionalities...
Build Your Own Simple Smartwatch
The aim of this project is to create an affordable and programmable smartwatch capable of tracking health data, providing real-time information, and enabling customization...
Build Smart Speed Dial
In this project, we will create a versatile smart speed dial using the GC9A01 display and the powerful IndusBoard. This smart dial can be...
TV To FM Converter Using Single Transistor
Here is a simple circuit of TV to FM converter. With this simple one-transistor BF494 circuit. you will be able to receive FM and...
Pulse Oximeter Reference Design
Based on the Renesas RL78/G13 microcontroller, the pulse oximeter design includes external hardware, signal processing, and connectivity options for enhanced functionality.
Pulse oximetry, a critical...
Build a Real-Time IoT Dashboard for Wireless Sensor Data Monitoring
Obtaining sensor data wirelessly and with minimal wiring is a significant application of IoT. This system is useful for monitoring people, machines, environments, and...
Integration of Mixed Signal Processing Into Smart Locking Systems Using Finite State Machine
In the era of advancing technology, the need for security has become an essential part of everyday life. One of the basic and most...
Reference Design For SpO2 Measurements
A SpO2 reference design utilises a biosensor for non-invasive blood oxygen level measurements, focusing on accuracy and efficiency.
A pulse oximeter is a non-invasive medical...
I2S Microphone Input
For Audio processing , Voice recognition and and audio transmission the I2S is needed.
voice recognition, and efficient audio transmission. By utilizing the I2S interface,...
Interfacing OLED Display With Indusboard
OLED displays are commonly used in various projects and are typically I2C-based. All ESP32 chips come with at least one I2C port, and some...
RFID Card Cloning: Step-by-Step Guide
RFID and NFC tags are ubiquitous in our daily lives, powering systems like metro and bus cards, parking lots, office attendance systems, entry gates,...
Build Smallest Pulse Oximeter
An oximeter is an essential tool for both doctors and individuals, enabling daily health monitoring by measuring blood oxygen levels, pulse, and heart rate....
Over the Air (OTA) Programming Made Simpler
The IndusBoard can be managed and powered wirelessly, allowing for firmware updates and programming without the need for physical connections. The board can be...
Advanced Pulse Oximeter Reference Design
Unveiling a low-cost, low-power handheld or wearable solution, this demo board allows designers to create devices capable of measuring heart rate and blood oxygen...
Power Electronics – Basics and Design Ideas
Explore circuits, design considerations, and IC marvels – empowering the future of energy solutions.
With the advent of new energy sources and the requirement for...
Single-Chip Pulse Oximeter Reference Design With 90dB Dynamic Range For Lower Perfusion Index
This compact device offers real-time oxygen saturation and heart rate measurements, transforming patient care in hospitals, clinics, and home healthcare.
The single-chip pulse oximeter represents...
Sensorless Sinusoidal Field-Oriented Control Drone Propeller Reference Design
Dive into technology with the dsPIC33EP Digital Signal Controller and Sinusoidal Field-Oriented Control, and learn how these innovations are revolutionizing drone propeller design and...