Abstract: In this study, we demonstrate a sound navigation and ranging (SONAR) projector with a higher and wider frequency range using an inversion layer. Because the working frequency range of the ...

Folks in the US can now snap up the first smart projector that's powered by Roku tech. The Aurzen Roku TV Smart Projector D1R Cube is available on Amazon for a regular price of $250. Until October 1, ...

The projector is currently discounted from $249.99 to $179.99 on Amazon. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. SAN JOSE, Calif.—Roku ...

Sponsored Content. We may receive a commission on purchases made from links. Is it really "the big game" if you're watching your favorite team on a tiny TV? Are you constantly squinting to see the ...

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. CNET’s expert staff reviews and ...

That was the first question my wife asked me upon seeing the box for the Unihertz Tank 3 Pro, a smartphone that’s quite a bit different than any other I’ve encountered before. It tosses aside the ...

This paper describes the development and implementation of a control system for a direct current (DC) motor using the Arduino Uno microcontroller, based on the speed and direction control of the motor ...

If you want a good display and interface device for an embedded project, it’s hard to look past an old smartphone. After all, you’ve got an excellent quality screen and capacitive touch interface all ...

This year’s Battle Royale of UST projectors brought eight contenders into a room. Find out which one emerged victorious. While large flat panel TVs have dropped in price lately, they still max out at ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including ...

A star projector is a great way to create your own home planetarium or give a child's room that cosmic feel. But is it worth buying one in 2025's Black Friday sales? When you purchase through links on ...