Hello, I am currently developing a project which involves detecting a human underwater. I am doing this using ultrasonic sensors and Arduino Uno as the board. But the sensor I am using is not giving me great results. Can anyone suggest and underwater ultrasonic sensors or any other approach by whic…

Underwater Motion Sensing using Ultrasonic Sensors

Robin2 April 29, 2019, 11:34am 2

The speed of sound is very different through water - have you allowed for that?

...R