In this video I've created a device that can notify in real time about events that happen on a website. The project uses NodeMCU board and a buzzer to produce sound as alert. The board is programmed ...

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...

SEATTLE — Sound Transit is rolling out a new tap-to-pay option for riders across the Puget Sound region beginning Monday, allowing passengers to board light rail and most buses using contactless ...

I’m deep inside Lego’s headquarters in Billund, Denmark, in a private office that’s part of the company’s Creative Play Lab. The secretive division of 237 staff based here and in London, Boston, and ...

When automating your smart home, much of the attention centers on cameras and lights, but I believe HomeKit door sensors are arguably among the most critical devices to add to your setup. I’ve written ...

Researchers from Guangxi University, China have developed a new gas sensor that detects ammonia with a record speed of 1.4 seconds. The sensor's design mimics the structure of alveoli—the tiny air ...

Many videos today are recorded using only a single microphone, such as those built into smartphones or cameras. While this is convenient, it means that the recorded sound does not contain information ...

A new gas sensor using ruthenium dioxide nanosheets achieves ultra-sensitive ethanol detection down to 5 ppb, enabling real-time breath alcohol monitoring at under 30 milliwatts. (Nanowerk News) ...

Dozens of protesters were detained Monday night after making a lot of noise outside a hotel where they believed the Border Patrol commander was staying. Something troopers threatened to use to clear ...

With this library Infineon's XENSIV™ BGT60TR13C 60 GHz radar sensor can be configured and used with Arduino via SPI. Please refer to the product pages linked below for more information about the ...

The new sensor-packed Smart Play Brick will land this spring as part of a special Star Wars collection. The update adds interactive lights and sound to the Lego experience—including the minifigs.

Physically, sound is just pressure moving through a medium. If you harness that pressure correctly, you can actually push things around using nothing but sound. That's exactly what researchers at ...