receive signal from non-contact fluid-level sensor via bluetooth on iphone

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 need help to know if its possible to receive signal from surface mount sensors that detect fluid level on a tank using arduino+HM-10 or esp32
need data sent to iphone.
signal sent via bluetooth since distance is only one meter from sensors to iphone
need data from 3 sensors (variable height on tank to sense fluid or not
is it complicated sketch?

To detect fluid height usually we use something that floats... What sensor you want to use?