Ever since the prices of Raspberry Pi single-board computers hit deranged levels, I’ve found myself gravitating towards the ...

One of the best aspects of ESP32 boards (and by extension, sensors) is their dirt-cheap pricing, and that’s pretty much why I ...

The code is written in the Arduino IDE for a smart cooker whistle counter using an ESP32 microcontroller.

If you’ve never heard of the Spin Semiconductors FP-1 digital signal processor chip, don’t worry– that just means you haven’t ...

The flip-flop, aka latch, can also be understood as Bistable Multivibrator as two stable states. Generally, these latch ...

In the art of transforming data into easily interpretable displays, visualization is usually the go-to option. But sight isn’t the only sense we can use to make sense of numeric ...

It’s not just eyes on a fire — it’s now ears, too. A low-intensity grassland fire “hums” loudly enough to be monitored by sound alone, researchers report in the July 16 Geophysical Research Letters.

Create an account to access more content and features on IEEE Spectrum, including the ability to save articles to read later, download Spectrum Collections, and participate in conversations with ...

Czech startup Neuron Soundware built Sound Shield, an AI acoustic drone detection system using €100-150 sensors that consume 1W each. Czech startup Neuron Soundware has built an AI-powered acoustic ...

Most of us think of espresso as a hot, high-pressure ritual. Finely ground coffee goes into a machine, boiling water is forced through it, and in about 30 seconds we get a concentrated shot with crema ...

After three generations, Google is apparently saying goodbye to its built-in temperature sensor on Pixel 11 Pro. 2023’s Pixel 8 Pro introduced one of Google’s first new hardware features in some time, ...

The sound you can’t hear might just save your house. It sounds like something out of a sci-fi blockbuster, but firefighters in California are firing up a fascinating new way to fight flames — with ...