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Monthly Archives: April 2013
Mixing 3.3V and 5V Logic [update]
Updating my post on this subject, here’s a great 3-part series on mixing 3.3V logic with 5V logic at JeeLabs.
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A Tale of Two Atoi(s)
All due respect to Charles Dickens. When you call a built-in function do you ever wonder where it comes from? An Arduino specific function, like digitalRead or attachInterrupt comes from the Arduino core hardware libraries. The source code for these … Continue reading
A Note about GPS Precision and Floating Point Math
Do you suspect your GPS is not accurate enough? Maybe the GPS accuracy is not the fault, it could be the precision. And it might not be the precision of the GPS, it could be a floating point math issue. … Continue reading
µC eXperiment 