I've tested dozens of wireless portable party speakers. Here are my current top picks that can play loud and power your next ...

These are some great DIY projects that you can do for cheap.

Arjun Goli, a 14-year-old rising sophomore from Saratoga, developed a hearing aid that can isolate specific voices in noisy ...

Setting it up is really easy.

Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...

Currently AI systems cannot "read" audio and video files, making it difficult to search and index them. but there is new ...

This noise generator has an adjustable bandwidth and a consistent amplitude no matter what bandwidth is selected. When working on a recent Design Idea for an adjustable filter, I wanted to use an ...

It catches very low frequency radio waves made by lightning, solar storms and charged particles moving through Earth’s ...

Learn how to use a Minecraft Note Block, crafting recipe, tune notes, change instruments, and create amazing songs using ...

There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...

Researchers have investigated how spiders listen to their environments through webs and found that the webs match the acoustic particle velocity for a wide range of sound frequencies. Playing sound ...