i no understand this analog Read functino good i have code analogRead A0 and then i mapping this to 0,1023 to 2-14 (ph value) and potentiometer move come ok, o-1023 is 2-14 this is ok, but how i change value ? now out come serial monitor full number only one decimal, mean out come only 2-14. but …

AnalogRead+mapping ans decimal.

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