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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!
ESP32 I2S Audio Processing – Guide
Audio processing, voice recognition, and efficient data transmission have become integral aspects of modern technology. In this step-by-step guide, we explore a hands-on ESP32...
Power Factor Regulator Converter Reference Design
The reference design offers a tested supply platform for PFCs, ensuring efficiency and robust output protection for appliances, making it versatile and reliable.
Major appliances...
Reference Design Of Forehead Thermometer
The design for a forehead thermometer features a microcontroller with ADC, power management, and connectivity for healthcare applications.
The reference design from NXP semiconductor for...
Reference Design For Infrared Forehead Thermometer
With precision, adaptability, and energy efficiency, this innovation sets a new standard in monitoring and safeguarding public health.
In today's ever-evolving world, health and well-being...
Skin Temperature Measurement Reference Design
The design uses a temperature sensor and BLE MCU for skin contact measurements, offering two modes: a long shelf life and iOS device monitoring.
A...
Thermometer Reference Design With Integrated MCU, Capacitive Touch Module And Bluetooth
Discover how Microchip's Connected Thermometer Board utilizes technology to create a Bluetooth-connected digital thermometer, offering efficient power management, capacitive touch interfaces, and global compatibility.
Thermometers...
IR Contactless Thermometer Reference Design
The IR contactless thermometer design includes a microcontroller, a lithium-ion battery charger, and a low dropout regulator, which are suitable for healthcare applications.
Infrared (IR)...
Reference Design For Charging Solutions For Industrial Light Electric Vehicles (LEVs)
As industries worldwide embrace the shift towards cleaner and more sustainable electric mobility, this design offers efficiency, precision, and adaptability to ensure reliable and...
E-bike Charger Reference Design
The reference design caters to e-mobility and general power supply needs with high efficiency, a wide input range, and a compact size, suitable for...
Low-Cost Stereo Audio Amplifier Under 50 Rupees
Audio amplifiers are essential components in various electronic devices, ranging from smartphones and gaming consoles to gadgets and audio systems. They play a crucial...
84 W AC-DC Reference Design For E-bike Battery Charger
This highly versatile solution supports a wide output load range from 6 V to 42 V, making it suitable for various applications.
Battery chargers for...
500-W CC/CV e-Bike Charger Reference Design
The charger, a 500-watt design for e-bikes, offers a 71.4V, 7A output with 95.8% efficiency and an adjustable CC/CV feature, suitable for various charging...
High-Power-Density Battery Charger For eBikes Reference Design
The design integrates three PowiGaN-based ICs for a 180W battery charger, suitable for power tools and eBikes, focusing on efficiency and power density, with...
Personalized E-Paper Clock Using ESP32 Microcontroller
We designed a Personalized DIY E-Paper Clock Using ESP32 Microcontroller. Circuit Diagram and Code explained in the article.
E-paper is continuously evolving. The day is...
5kW Low Voltage Electric Traction Inverter Reference Design Kit
Discover how ST Microelectronics' reference design shapes the future of cleaner and more efficient transportation with its cutting-edge technology, precision control, and robust power...
200 kW Three-Phase Inverter Reference Design
The 200kW three-phase inverter reference design improves power density and efficiency, using a platform for SiC MOSFETs suitable for multiple applications.
A 200 kW three-phase...
Joystick-Controlled Arduino System for Operating Home Appliances
In the world of electronics and embedded systems, the use of a joystick and an Arduino Uno board has many possibilities for developing control...
Traction Inverter Direct Evaluation Reference Design Kit
The design offers advanced IGBT technology and customizable testing options for early-stage development and performance assessment in motor control.
The traction inverter is crucial in...



