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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!
Simple FM Radio Receiver Using KA 2101
Here is a simple circuit diagram of 88-108 MHz FM Radio Receiver Circuit diagram. The circuit is very simple and the components used in...
Unveiling Our Open-Source Facial Expression Recognition Technology
I recently discovered a robot called SEER, which can copy your facial expressions in real-time. This is called the "Simulative Emotional Expression System," and...
Reference Design For 6.6 kW Bi-Directional EV On-Board Charger
The Bi-Directional EV On-Board Charger is the future of efficient EV charging, being compact yet power-packed and offering benefits beyond mere charging.
The evolution of...
Reference Design For 7 kW On-Board Charger
The on-board charger reference design of electric vehicles offers high power efficiency, innovative heat management, and modular adaptability.
An on-board charger (OBC) is an integral...
Mastering Product Risk Analysis for Robust and Reliable Designs
Those who are following the author’s series of articles would have seen the design of the charge controller in the previous article. In that...
Single-Cell Battery Charging Circuit For IoT Devices
A crucial component in many IoT and wearable electronic designs is the single-cell battery charging circuit. However, implementing this vital element and finding cost-effective...
Low-cost Touch Switchboard Circuit Design
The touch switchboard is fascinating, bringing a sleek and contemporary vibe to our homes and various devices. What sets it apart is its absence...
Reference Design For 7.4-kW On-Board Charger
Elevate the Electric Vehicle charging landscape with amplified efficiency, sleek designs, and high power density of on-board chargers.
On-board chargers (OBCs) represent a critical component...
Hydroponic Automation: Smart Watering System with NTP Scheduling
Considering the geographical location, some regions experienced temperatures rising to 48ºC during the peak summer season. In such situations, a hydroponic automation system, a...
High-Speed PCB Design Guide
High-speed PCB design consists of multiple steps. Design re-spin is not only cost-sensitive but also time-consuming. So, one should follow proper design rules early...
Hector Slam Mapping And Indoor Positioning ROBOT With ROS And Lidar
In previous segments, we delved into lidar-based obstacle detection and the integration of lidar and lane detection systems for the ADAS system.
If you...
Building A Wireless Call Bell With Basic Components
Traditional doorbell systems often require extensive wiring, intricate assembly, and the expertise of a qualified electrician for installation. In contrast, wireless doorbells offer a...
TA 2003 FM Radio Receiver
Here is a simple FM Radio Receiver Using single chip TA 2003. This IC have inbuilt RF Amplifier, local oscillator, a mixer, FM detector...
Combating Speeding And Drunk Driving With RF And Alcohol Detection Technology
This proposed system aims to address the shortcomings of the existing system by utilizing cutting-edge technology to reduce road accidents caused by over-speeding and...
Smart Electronic Voting Machine Using Arduino
The motivation behind this EVM project is to create an electronic voting machine (EVM) that will help overcome the challenges posed by manual voting...
Automatic Dispenser Using 555 Timer
The 555 timer has been a popular choice in electronics for a long time due to its versatility and wide range of applications.
It...
Interesting Reference Designs Of Smart Electric Meters
Title of Reference DesignPrecise Polyphase Meter with Temperature SensingImageKey AttractionsThis reference design for a 3-phase energy meter provides a reliable solution for various metering...
Reference Design For Grid-Connected Solar Microinverter
Microchip has introduced a solar microinverter design that optimises panel performance, enhances grid integration, boosts efficiency, and reduces costs.
Grid-connected solar microinverters are essential components...