60 / getPeriod() returns 3,000,000

[bhughes]

Originally Posted by Ether

What's the part number of your Hall sensor?

Can you post a picture of how you have the magnet mounted to the wheel.

Working hypothesis: vibration is randomly causing the sensor to read the rising edge twice.

We purchased the one pictured here from their team. (it is a newer "version", but as far as I can tell the same hardware components.) I seem to remember it having this sensor, but I could be wrong. This is what it looks like when mounted.