The Ultrasonic sensor is very popular and used to measure the distance to an object. It comes complete with ultrasonic transmitter and receiver modules. Hc-sr04 transmit high-frequency sound and when ...

One of the most useful sensors we have is the ultrasonic distance sensor. This simple sensor may be used in a variety of ways with our mobile robot platforms. \n ...

[Emil] got his hands on a dozen HC-SR04 ultrasonic sensors, but wasn’t too happy with their performance. Rather than give up, he reverse engineered the sensor and built an improved version. H… ...

The ultrasonic sensor module HC-SR04 is a popular and cheap: (<; $2) per unit; it is, mainly, used and designed for distance measurement. In this article, a time space framework for a linear array of ...