Re: Need help with PI PICO...

On Tue, 26 Mar 2024 17:33:50 +0000
Jim H <invalid@invalid.invalid> wrote:

Assuming the "oil" you're talking about is kerosene/heating fuel, the
speed of sound is 1330 m/sec so 0.5cm takes 3.76 micro-sec.

I would have thought it's measuring the distance to the surface of
the oil from above the oil so it would be the speed of sound in air that
matters 300m/s.

--
Steve O'Hara-Smith
Odds and Ends at http://www.sohara.org/
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