How to Measure Water Pressure 2 Feet Under Water

Projects General Guidance
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Or use copper paint to coat your device. Used for many years on boat hulls.

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And a bargain at $55/quart. YMMV

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Excellent idea (paint adheres, versus mesh). Anything but a probe that closely replicates the reaction of a boat in water.

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Here is how I built wave height sensor

Just needs $16 atomS3 from m5stack.