Abstract: In this paper, a precise relative distance measuring problem is addressed for indoor formation flight of quadrotors. We have used the range sensor to measure the relative distance between ...

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 ...

If you’ve been holding out on adding a distance-measuring device to your gear arsenal, now is the time to act, because FlightScope’s i4 Rangefinder is packed with game-enhancing features to help you ...

Generative AI apps have seen tremendous growth in both downloads and in-app revenue in the first half of 2025, a report from market intelligence firm Sensor Tower said. Users downloaded GenAI apps 1.7 ...

Support our Mission. We independently test each product we recommend. When you buy through our links, we may earn a commission. My eight-year-old daughter loves golf. She’s officially at the age where ...

Though the Guadalupe River basin high in the Texas Hill Country is known for its flooding danger, the lack of a modern flood warning system sent campers and others in low-lying areas scrambling with ...

We may receive a commission on purchases made from links. Broadly speaking, the purpose of a laser level is to measure long, flat surfaces, as well as ensure that they're leveled out. In theory, the ...

Rex Hoggard reports from Colonial Country Club on Scottie Scheffler laying low after the PGA Championship and on the PGA Tour's distance measuring device testing, with insight from Tommy Fleetwood and ...

We love Arduino here at Hackaday; they’ve probably done more to make embedded programming accessible to more people than anything else in the history of the field. One thing the Arduino ecosystem is ...