SparkFun Ultrasonic Distance Sensor - TCT40 Arduino Library for the SparkFun SparkFun Ultrasonic Distance Sensor The SparkFun Ultrasonic Distance Sensor - TCT40 (sen-24805) a user-friendly upgrade to ...

I purchased one of each of these cheap sensors recently from aliexpress for testing purposes. Compared with the ubiquitous HC-SR04 (*), I liked the idea of having a combined emitter/receiver, i.e.

A new technique for the ultrasonic wind speed measurement is presented in this paper. This technique measures the start and end time for the received signal to be detected on a given threshold and ...

Developed by the research team at the Helmholtz Institute for Renewable Energy Research in Erlangen-Nuremberg, Germany (HI ...