What’s the radar enthusiast to do? While it’s not radar, subbing in ultrasonic sensors is how [Dzl] built this sonar imaging system using a lot of radar principles. Initial experiments ...

Leaked files suggest the Samsung Galaxy S25 Ultra will have a car crash detection sensor. Previous Samsung flagships also have the same sensor, but Samsung has not yet rolled out the car crash ...

While a well-known use of this is sonar, ultrasonic sensors can also be put to use to make a radar-like system. This ultrasonic radar project is from [mircemk] who uses a small ultrasonic distance ...