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

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 ...

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 ...

The ESP32 keeps finding new jobs in my house.

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 ...

The Insta360 Mic Pro is not the smallest wireless mic you can get, but it might be the best for sound quality and certainly for build quality. Your first impression of the Insta360 Mic Pro may be ...

Cells are squishy and soft. Tiny nanometer-sized particles such as quantum sensors cannot move freely inside them due to viscous drag, which makes sensing challenging. Researchers at the Indian ...

We may receive a commission on purchases made from links. Smart sensors aren't just for turning lights on when you walk into a room. There's all manner of fun and clever ways to use them around your ...

LEGO has just debuted its greatest innovation in 50 years, since the introduction of the LEGO Minifigure in 1978, at the Consumer Electronics Show in Las Vegas. It represents a radical shift to ...

Northwest U.S. utility Puget Sound Energy (PSE) has joined with Norway-headquartered Heimdall Power on a dynamic line rating (DLR) pilot project in Washington state. The companies on October 22 said ...