Originally Posted by
ItsJustMe
Problems with the magnet CAN cause extra clicks - if you mount the magnet wrong so that the north/south poles are sideways, each one can trigger the sensor. However, this would result in double speed readings at all times, particularly at slower speeds.
Note that this would be a faulty installation (if the device is installed incorrectly, all bets are off!).
I'll have to see if I can get this to "work" with my computer.