I wrote this little function to format floats to be displayed on an LCD at some given position. because I am using dtostrf() the previous contents get overwritten. It seems to work well and means that I don't have to clear the previous value if the new one requires fewer characters. This is it:- …

Variables in functions ... What is best?

Dyslexicbloke October 20, 2012, 1:09am 7

Fair enough, I will stick with the dynamic local for now but the insight is useful.
Thanks

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