Create an SR04 object. Then use SR04.measure_centimeter() to get data.

Honor GT Pro is expected to get a Snapdragon 8 Elite processor New model could cost more than the older Honor GT Honor GT was launched in China in December last year ...

Abstract: In order to simplify the complexity of ultrasonic and electromagnetic wave signal detection and improve the accuracy of partial discharge detection of power equipment, a sensor design idea ...

A JSN-SR04T ultrasonic sensor, connected to an ESP8266 to calculate the water level in a water tank. Water level monitor using open-source microcontrollers (Arduino, ESP8266, ESP32) and ultrasonic ...

With a standard old HC-SR04 ultrasonic sensor, an audio module and a servo to drive a custom gauge needle he’s made a device which can warn people around you if they’re too close for comfort.