Hello, I have a coding related issue with my project. It is a speedometer using a reed switch, converting measured blinks from a driveshaft on a tractor to MPH at the wheels. The issue is is that when i go to serial monitor to display information during testing, I get values of 0.00. Here is the co…

Speedometer not displaying values.

pylon April 11, 2014, 4:30pm 4

Have you tried declaring the variables volatile?

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