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Opti-wiz plus STC/Ultimarc trackball - RESOLVED

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shock_:
Cheers again for all the help.


--- Quote from: RandyT on November 08, 2007, 05:05:36 pm ---Keep me posted.

--- End quote ---

Will do ... and you keep hacking, the natives are getting restless!!

shock_:
:woot Success!

Bought a little reusable breadboard and rigged up the 2.2K resistors just to satisfy myself I wasn't crazy last time.  Swapped in 2.0K and it worked!!

 ;D

Also tried Andy's suggestion of 1K, which also worked but very very slowly.  It's all voodoo to me but sounds consistent with Randy's thoughts earlier about logic highs and what-not.

I've rewired the harness to include the resistors (they now live inside the backshell of one of the D9 plugs in my crazy detatchable control panel monstrosity) and playtested with Marble Madness on the laptop I'm writing this on.

Enormous thanks again to RandyT and Andy for their cooperative help and general electronics guru-ness.  Everyone should remember to stuff their stockings, and those of family and friends, with Groovy Game Gear and Ultimarc products this festive season - even if you don't need any!!

squirrellydw:
Glad yo got it working.  Those two guys know what customer service is all about.

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