Hi, I am currently working on a project where I need an ultrasonic sensor to detect objects at about 2 metres away. The sensor will be placed on the ceiling 3 metres above and will face downwards, however when I try pointing the sensor downwards the range seems to stop at 90-100 cm. I have successfu…

Does an Ultrasonic sensor have less range when pointed downwards?

system Closed May 22, 2022, 3:28am 8

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