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sega turbo pedal how do you wire it for mame use

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rob1234:

I have a pedal from a sitdown sega turbo cabinet. The connector on it, is similar to the steering wheel. It is a half circle that rotates back and forth between two sets of black poles. I guess its an electrical  connection. I want to wire it for mame use. Is there any way to do this without an optipac? Let me know what i need to do.

Minwah:

Do you have a photo?  Usually pedals use potentiometers (pots)...not sure what the 'black poles' are you speak of, unless it is some kind of hall effect?

rob1234:

http://imagehost.vendio.com/bin/viewimage.x/00000000/playpinball/turbocontrol4.JPG?allow_track_link=1&track=02289eb309-d21a3&pt=bidpay&sp=1  

go to this link...it has a pic of a steering wheel which has a very similar connection with the black post things I was talking about.


Edit by moderator: fixed your URL

Tailgunner:

Hopefully Paige will see this as he's familar with that pedal. As I remember it uses an optical sensor, which means either the Optipac, some sort of mouse hack, or conversion to a pot based system.

Xiaou2:


 I believe theres 2 types of pedals for turbo.

 The one I have has 2 optos... so a total of like 6 positions are possible.

 Youd need to use an optipac to read the 2 optos...and mame has to support that type of input.  Some of the drivers do not allow digital input... rather - they are just set up to use pot values instead.


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