Jul 29, 2025 · Combining ultrasonic waves to create audible sound is something we’ve seen show up in different ways, like using an array of transducers to focus sound like a laser beam.

Mar 5, 2025 · The speaker itself is an array of in-phase ultrasonic transducers, and she demonstrates the result on her audience. This project is surprisingly simple, should you wish to have a go yourself.

Nov 24, 2025 · Taking apart an ultrasonic cleaner revealed a very large element, but mounting it to a small blade would be a problem. The next stop was an ultrasonic toothbrush.

Apr 30, 2020 · Of course one could just use headphones. But a hackier way would be to build a parametric speaker that focuses soundwaves into a narrow beam like [Shane] did with this ultrasonic …

Jan 30, 2023 · 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.

Dec 6, 2024 · Initial experiments centered around the ubiquitous dual-transducer ultrasonic modules used in all sorts of ranging and detection project, with some slight modifications to tap into the …

Mar 21, 2025 · This is where ultrasonic food processing comes in. Ultrasonic cutting blades exist for one primary reason—they enable the cutting of all kinds of different foods without sticking, squashing, or...

Apr 3, 2025 · Among the obvious differences are that the ultrasonic cleaner is made out of metal and AC-powered, and does a much better job at cleaning things like rusty parts.

Nov 16, 2025 · Just about every “getting started with microcontrollers” kit, Arduino or otherwise, includes an ultrasonic distance sensor module.

Jun 1, 2024 · Ultrasonic sensors detect objects like sonar — they send sound pulses and measure the time it takes for the signal to bounce off the object and come back.