A cadence sensor is a compact cycling device that measures pedaling rate in RPMs to provide real-time feedback.

In a way, the magic of a soil moisture sensor’s functionality boils down to a simple RC circuit. But of course, in practice there is a bit more to it than that. [rbaron] explains exactly how ...

If you need to measure a distance, it is tempting to reach for the ubiquitous ultrasonic module like an HC-SR04. These work well, and they are reasonably easy to use. However, they aren’t without ...

Haptic sensors have been around for a while now and come in various forms. Regardless of the type of haptic technology utilized, they all work around similar principles of using a combination of force ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. You’ve probably seen them—sensors watching from the corners of ...

I like this report from Ford on how they keep self driving sensors clean. They have air blowers which can divert any insects heading for the sensor up and over it, and sprayers and other air blowers ...