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Main => Main Forum => Topic started by: happyfunball on September 07, 2012, 09:20:33 pm

Title: electric ice-t trackball from GGG and me being as dumb as a box of hair
Post by: happyfunball on September 07, 2012, 09:20:33 pm

so I bought one of these with the associated controller, and took a guess as to how the wires connected to the pins based on the schematic I admittedly do not understand very well at all.
when I plug it in, the device manager makes note that its connected, and I assume its supposed to act like a mouse. however, the trackball elicits no movement from the onscreen cursor.

I was hoping that if I had wired the axis wrong it would just move in the wrong direction, but it doesn't do anything, so I have no idea how I'm doing this wrong. I've emailed Randy quite a number of times and I kinda feel bad bugging him again on this issue.

what I'm hoping is at least one other person has this and can tell me exactly how to wire this up and get it working. I'm not looking for it to do anything fancy, just work in mame.
if anyone is kind enough to treat me like a 5 year old and hold my hand, I'd be most appreciative.

Title: Re: electric ice-t trackball from GGG and me being as dumb as a box of hair
Post by: RandyT on September 07, 2012, 09:59:00 pm

Don't be concerned about sending emails.  If you are still having issues, please contact me again. :)

If you are getting no movement of the cursor at all, and the interface is showing up properly in the Device Manager, then it sounds like it's not getting power to the trackball.

Make sure that the red wire on the connector is going to the +5v pin on the interface.  You may have it connected backwards.

The interface board is the same type as our Opti-Wiz.  The connections for the X axis are A/B (Yellow and Green) and the Y is C/D (Purple and Blue).

If this still isn't working something may have been pulled loose from one of the connectors.  I build every one of these and test them quite thoroughly before they ship, so it's unlikely that the issue is insurmountable on your end.  If you email me, I can help get it figured out.

RandyT

Title: Re: electric ice-t trackball from GGG and me being as dumb as a box of hair
Post by: happyfunball on September 07, 2012, 10:15:57 pm

oh, I'm sure its me. the problem is that its totally unfamiliar territory for me and I'm never sure if the wire is plugged in the right spot or the right way.

I'll look it over again based on what you wrote and see if I can make it do something more than it is now.

thanks for the fast response.