/challenges-projects/design-challenges/twist-turn-and-move-design-challenge-with-te-robotics/b/blog/posts/ardumobo-blog-3-ultrasonic-sensors-testingObstacle detection For obstacle detection my mobile robot will use two HC-SR04 ultrasonic sensors. One sensor will be mounted at the front of the truck and the other at the back of the truck so that obstacle detection will be possible in both forwarden-USTelligent Community 12https://community.element14.com/challenges-projects/design-challenges/twist-turn-and-move-design-challenge-with-te-robotics/b/blog/posts/ardumobo-blog-3-ultrasonic-sensors-testingMon, 22 Aug 2022 19:34:58 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:fd2ec96c-501b-44ad-8977-20dc4b6a680crobogary0<p>Cool. Did you test 4 different HC-SR04s by the same vendor ?&nbsp;</p><img src="https://community.element14.com/aggbug?PostID=24270&AppID=374&AppType=Weblog&ContentType=0" width="1" height="1">