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Happ ps2/usb clarification please...

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QuarterJunkie:

After reading several posts here recommending not to use dedicated buttons for the tracball, and instead just use p1 - 1,2,3 buttons, that's what I decided to do. Now, my Happ trackball has connections for the 3 mouse buttons. Am I correct or wrong that if I connect these to the P1- 1,2,3 buttons that this will not work in Mame and in windows only?  ??? Someone set me straight in how I can use my trackball for Windows and Mame use together using these buttons.

Thanks!

Turnarcades:

Connect up as you have described and just edit the controls in the in-game MAME menu (press TAB) to respond to the buttons you have wired the trackball wires to.

QuarterJunkie:

Sorry. I'm bringing this thread back because I'm a knucklehead and still don't quite understand...

I now understand that if I connect the buttons to my trackball connections, I can use these buttons for mame because in the mame config menu it lists for example P1- button 1 = CTRL or MOUSE B0. Now what if I want to re-use those buttons for other emulators that would need a keyboard input? Can I wire these buttons to my I-pac in addition to the trackball connections or will this fry my I-pac? Thanks for your help....

Turnarcades:

As long as everything is properly grounded somewhere, then yes it's fine. This is how it's possible to have coin doors running simultaneously with 'credit' buttons. You feed a wire from the button to the i-pac, then from the coin mech to the i-pac. It's basically the same premise. Just connect the button to both your i-pac and the mouse button connection on your trackball.

QuarterJunkie:

Ok cool. The only difference between the coin door analogy and my situation is that I just thought I recalled reading on another thread that there was some voltage present on the trackball button connections that could (or will) fry an encoder chip. If not, all is good and I'll just parallel connect them. Have you wired this type of setup in practice and are certain it is ok? I'm just scared of ruining my encoder due to some voltage on the trackball button connections. Thanks again..

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