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Mini PAc/ Opti PAC trackball issue
Droler:
I have a Happ trackball (standard) and Oscar spinner both plugged into USB MINI PAC interface board. The spinner works fine and the trackball works fine on the Y axis (up and down) but my X axis on the trackball only works about half the time. I can't find the pattern to explain the issue. I have rewired the optical sensors on the trackball, and the problem remains.
If I unplug the spinner the problem does not go away so I do not think there's a conflict. What happens is the trackball's X axis sometimes works fine, then over time it slowly stops going to the right (but left works fine). This of course wreaks havoc on your Centipede score mid-game ;)
After a bit the left direction will stop as well, and the trackball will only go up and down. Up and down never stop working but this intermittent X axis nonsense makes it unplayable.
Is it possible for the encoder board to be defective and intermittent? Has anyone ever seen this in a trackball before?
It's not the MINI PAC board because I've tried this trackball on an Opti Pac board with the same results.
Jdurg:
Might be the infamous Happ Trackball optic board failure. Which revision of the optic board do you have? (Newer boards that don't have that problem are red, if memory serves me right).
Droler:
Thanks - looks like Happ encoder board rev J - and they are green...
scotthh:
If you switch the optic boards and the problem switches to the Y axis, you've proven it's the board.
Turnarcades:
Yep, definitely sounds like a trackball hardware problem rather than the PC interfaces or software.
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