The acoustic emission frequency is 40kHz, and measuring angle is 45-75 degree ... Below is the Arduino Sketch used to test the JSN-SR04T ultrasonic distance sensor. This sample code does not require a ...

This ultrasonic radar project is from [mircemk] who uses a small ultrasonic distance sensor attached ... of the objects around the sensor. With some upgrades to the code, [mircemk] is also able ...

The 40- to 70-kHz range tends to be most popular. Its main application is object detection and distance measurement. Ultrasonic sensors are already widely used in automotive applications and a ...

For [Jianjia Ma]’s QingStation, he decided to build another type of wind sensor ... measuring the time it takes for an ultrasonic audio pulse to be reflected the receiver across a known distance.

The 40- to 70-kHz range tends to be most popular. Its main application is object detection and distance measurement. Ultrasonic sensors are already widely used in automotive applications and a ...