Back in 2011, Elektor presented a DIY Ultrasonic Directive Speaker using an array of piezo ultrasonic transducers (up to 200) ...

Piezoelectric sensors are great for monitoring ... and the Raspberry Pi outputs sound via the native Alsa driver and a USB sound card. This project goes a long way to show how much simpler a ...

Piezoelectric drivers and piezoelectric amplifiers are power sources that provide the high voltage levels needed to drive other piezoelectric devices such as actuators, motors, transducers, and ...

Audio Driver is what makes you listen to audio come out of your speaker. It interacts with hardware and the Operating System. Now, that you know their importance, you would realize that it is ...

If the audio device is disabled on your Windows 11/10 computer, try the following solutions: Enable audio device from Sound settings Configure your audio device Reinstall the sound card driver.

For the most part, the build is what you would expect: a 16×8 LED Matrix display driven by a TLC5920 LED driver ... enclosure as well as added a piezo speaker to allow the clock to chime ...

In the name of practicality, usefulness, and a little bit of fun, we decided to spend the second half of our semester building a laser-based microphone. The idea behind this was that sound waves will ...

For such a small, budget-friendly speaker, it boasts an integrated woofer that’s combined with a 48mm driver, passive radiators and exclusive XBASS technology that delivered my much-needed extra ...

Fyne Audio has a new entry-level speaker range, and it boasts driver technology that was once the preserve of its flagship ...

Opinions expressed by Forbes Contributors are their own. Technology journalist specializing in audio, computing and Apple Macs. Formed by John Moulton in 2013, Noble Audio has been making ...