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$9 'Super Easy' USB Controller hack for MAME
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jholman76:
That might be interesting for games that can take advantage of it... STOP GIVING ME IDEAS
DeLuSioNal29:
Great link!  Exactly what I was looking for.  I just ordered 3 for my 2 cabs I am building.

Thanks for sharing!

~ D
wbassett:
This is very interesting, especially for anyone looking to do a modular/swappable panel system.

Although using an IPAQ or Keywiz looks easy enough, for a swappable panel system nothing would be easier than having everything USB and a USB hub under the CP, then just plug the panel in and go.  

Very interesting.
jholman76:
so before I order a couple... you tested it and you only need 1 ground for everything and there is no phantom keys, etc?
dmworking247:
Thats correct. 'Ghosting' is generally only a problem when hacking a keyboard because it uses a matrix of circuits when closed in combination, form a particular key press.

As I understand it, USB controllers like this, and encoders like ipac etc have dedicated circuits for each button so there's no risk of 'pressing A + B = Button C'

Before soldering everything to a single ground wire, I tested all of the ground points of every button with other ground points, to confirm they were common.

Nevertheless, if you're still unsure, order one of them, give it a try, then order some more :)
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