Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

What if you could get an instant SMS alert the moment a fire or smoke is detected at home or office? Through this project tutorial, you can build a fire and smoke alarm system using Arduino UNO R4 ...

ABSTRACT: This study investigates the optimization of Fresnel lens designs using Zemax software, with a focus on minimizing beam divergence by controlling the output spot diameter on the image plane.

Walking safely and confidently can be a challenging task for visually impaired individuals, but with the help of technology, we can make it easier for them. This DIY Blind Stick is an innovative yet ...

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Issues are used to track todos, bugs, feature requests, and more.

Members can download this article in PDF format. Millimeter-wave (mmWave) radar-sensor integrated circuits enable a variety of proximity-sensing applications. Today, 60-GHz radar sensors are replacing ...

Romanian military scuba divers (R) in a speed boat are pictured backdropped by Romanian frigate "King Ferdinand" during an exercise in April 2024. (Daniel Mihailescu/AFP via Getty Images) MILAN — NATO ...

As radar technology continues to advance, it offers an increasingly broad range of capabilities, making it a viable alternative to traditional passive infrared (PIR) sensors. With radar’s enhanced ...

Companies have been trying to make augmented reality glasses a thing for more than a decade, but the product category has yet to take off. But Meta thinks it might be close to cracking the code.

Smart homes are becoming more and more intelligent by the day, but there’s nothing quite as smart as a home that can detect where you are in order to automatically trigger a wide variety of different ...