The SRF01 is a popular ultrasonic sensor used primarily for range finding applications ... Be sure to check out the teardown for more details on how the SRF01 works.

While it’s not radar, subbing in ultrasonic ... the human-audible range; they sound more like honks than pings, but it’s still pretty cool. To make the simple range sensor more radar-like ...

The ultrasonic technology enables 4-in-1 combined sensor operation ... The Gasboard-8500FS-X200 has a flow rate in the range of 240 L/minute. The system has been designed to have ultrasonic ...