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The Code for the Moisture sensor is based on its technical data, where 0v = 0%rH [NOT VERIFIED]  which linearly scales to 10v 5v = 100%rH[NOT VERIFIED]. This means that linear interpolation is utilized to scale the input voltage too an output in %rH.

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Linear interpolation is performed with the following function (Chapra and Canale, 2015),


This means that the inputs needs to be,

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Visually the new function block looks as following,


References:


Chapra, S.C. and Canale, R.P. (2015). Numerical Methods for Engineers. 7th ed. New York: McGraw-Hill Education. [pdf] Available at: https://gdcboysang.ac.in/About/Droid/uploads/Numerical%20Methods.pdf (Accessed: 28 May 2024).