How to build your own flood sensor for under five bucks Not only will it save money, but a single homemade device can monitor your whole basement.

Researchers designed an IoT network using sound and motion sensors that estimates public space utilization. The ideas can be applied to other IoT sensor networks.

A Boeing engineer tells me that a modern airplane has about 10,000 sensors constantly recording information, not only to inform pilots about the plane's performance but also to forecast mechanical ...

Montana is about as far from the sea as it gets, and has been since at least 60 million years ago. And yet when it comes to measuring the acidity of ocean water, a group from Missoula has proved ...

The Etch a Sketch toy has gone more or less unchanged for over 60 years, but if you’re handy with a soldering iron you can build an upgraded version that ...

Wireless Sensor Networks will open the floodgates to the wireless revolution. But building a practical wireless network can be a daunting challenge unless the concepts are kept simple.

Automakers build these sensors with a long lifecycle, the only reason you’d need to test or change the transmission speed sensor would be because it began to malfunction again.

When light strikes the photodiode’s active region, current flows from cathode to anode. Ideally, this entire photocurrent ...

This DIY sensor has a matrix of 32 x 32 photo cells, just over 1,000 pixels. Sean Hodgins Hodgins recently created a working 1-kilopixel sensor and stuck it inside a 3D printed camera body. Although ...

Fuel smell under the hood or a stubborn check-engine light often points to a bad fuel-pressure sensor, but nothing stalls a driveway repair faster than not knowing where that tiny part hides. In most ...