They work by measuring the time ... the receiver across a known distance. Wind direction can be calculated by taking velocity readings from two ultrasonic sensor pairs perpendicular to each ...
The SRF01 is a popular ultrasonic ... a problem when measuring very close distances. The transducer emits a pulse of sound and then must listen for the echo. The smaller the distance, the smaller ...
These sensors are used for tank level measurement, remote monitoring, distance ranging, object detection, and agricultural applications. Image Credit: BinMaster The TS-100 series of ultrasonic ...