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Round to first significant digit

First of all, let me clarify that there is nothing “decimal” in a float: a float is a binary (not decimal) floating point number. The Serial.println() function does a binary-to-decimal conversion for ...
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2 votes
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parseFloat() function

the parseFloat() function returns decimal numbers No, it doesn't. It returns a binary (not decimal) floating point number. only up to 2 decimal places The number returned by parseFloat() has 24 ...
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