Collaborate Disseminate
At Hackaday, we see community-driven open source development as the great equalizer. Whether it’s hardware or software — if there’s some megacorp out there trying to sell you something, you …read more Continue reading Setting the Stage for Open Source Sonar Development
If you want to play with radar — and who could blame you — you can pretty easily get your hands on something like the automotive radar sensors used for …read more Continue reading Hacked Ultrasonic Sensors Let You See With Sound
Manufacturing could be dramatically changed thanks to two new techniques for joining materials created by scientists in Austria. The two methods create super strong bonds at the pore level, eliminating the need for caustic adhesives.Continue ReadingCat… Continue reading No glue required: Wood and metal bonded with sound and 3D printing
Over the last decade or so, we’ve been inundated with appliances with wireless or “smart” technology that is often of dubious utility. No one really needs a tablet in their …read more Continue reading Automatic Garbage Can Keeps Cooking Cleaner
Some coffee snobs might call this sacrilege. Cold brew is supposed to take a long time — that’s part of how it gets its characteristic smoothness. But a group of …read more Continue reading Much Faster Cold Brew Through Cavitation
Conventional speakers work by moving air around to create sound, but tiny speakers that use ultrasonic frequencies to create pressure and generate sound opens some new doors, especially in terms …read more Continue reading Tiny Speaker Busts Past Sound Limits with Ultrasound
If you’ve been making up for lost years of travel in 2023, you might have seen a fellow traveler in the airport terminal or train station walking with their luggage …read more Continue reading UChaser Follows You Anywhere
The range of human hearing goes up to about 20 kilohertz, which is fine for our purposes, but is pretty poor compared to plenty of other animal species. Dogs famously …read more Continue reading Listening to Bats As They Search For Food
In the real world, missile systems use advanced radars, infrared sensors, and other hardware to track and prosecute their targets. [Raspduino Uno] on YouTube has instead used ultrasound for targeting …read more Continue reading Arduino-Powered Missile System Uses Ultrasound To Aim
While ultrasonic cleaning might sound a bit like the “sonic shower” from Star Trek, this is actually one case where the futuristic-sounding technology predates its use in Sci-Fi. Ultrasonic cleaners …read more Continue reading Converting a Sink to an Ultrasonic Cleaner