The following article shows you how to interface the SR04T Waterproof Ultrasonic sensor with an Arduino Uno to obtain distance data. The article also discusses the working of the module along with a ...

The HC-SR04 ultrasonic sensor uses SONAR to determine the distance of an object just like the bats do. It offers excellent non-contact range detection with high accuracy and stable readings in an easy ...

above 20Khz, and travels with a velocity of 340m/sec. An ultrasonic sensor comprises of 2 individual sensors Emitter Receiver Distance measurement principle is based on the travel time of the sound ...