How to distance identify using Ultra sonic Ways Sensor ??

Aug 15 2017 12:11 PM
An Ultrasonic sensor is a device that can measure the distance to an object by using sound waves. It measures distance by sending out a sound wave at a specific frequency and listening for that sound wave to bounce back.
 
 
But GPIO pin connected with raspberry pi so import GPIO ultra sonic wave modul find out the object distance with cm any one tell me this Quest??  

Answers (2)