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Using Arduino Programming Questions. adwsystems June 24, 2015, 1:32pm 1. Are there functions available for the Arduino to round or truncate floating point (real) values? tammytam June 24, 2015, 1:35pm 2. Just add 0.5 and cast to an int: float f = 2.345f; float f2 = 2.845f; int rounded = (int)(f+0.5f); // rounded == 2.
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