In his opinion, this kind of sensor is the best compromise ... enclosure that you can see in the picture above using PVC parts. Enclosed are the ultrasonic sensor, a temperature sensor and an ...

Phones have mostly ditched curved edges due to user request, but the fingerprint reader under most screens is the new problem.

While it’s not radar, subbing in ultrasonic sensors is how [Dzl] built this ... [Dzl] was able to get pretty good images showing clear reflections of objects in the lab. If you want to start ...