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Author Topic: Sega Monaco GP cockpit pedal  (Read 373 times)

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dramaone

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Sega Monaco GP cockpit pedal
« on: December 29, 2016, 02:08:25 pm »
I'm replacing the opto's on the pedal mechanism and im a bit confused by what they do.


With the steering wheel it was a straight replacement of side by side optos like
https://www.ultimarc.com/images/vanewhl.jpg

With the pedal,rather than side by side opto's they are on top of eachother and as you press the pedal a piece of thin plastic moves in between them.
The plastic has two holes cut out, a small hole for when it passes the bottom opto and then a second longer hole  passes through the second opto to its full extend.

https://dl.dropboxusercontent.com/u/3208063/20161229_182938.jpg

All seems ok but then I'm thinking why does it have two staged switches?
If you look at 7min08 on this clip
https://www.youtube.com/watch?v=p77IyPeNLuA
you can see the original pedal with original logic board game and it seems to have two speeds, first opto speed 1, second opto full speed.

Is this what is happening?

I cant get my head around this.
Is it basically two switch points that then send data out as one, since there are only four cables coming out of the original pedal opto board so im guessing they + - and two data?

The cab is going to run the sega monaco remake and other 360 wheel games and so is this double opto unnecessary?

https://dl.dropboxusercontent.com/u/3208063/20161208_212544.jpg
https://dl.dropboxusercontent.com/u/3208063/20161229_185517.jpg
https://dl.dropboxusercontent.com/u/3208063/20161229_182938.jpg
https://dl.dropboxusercontent.com/u/3208063/20161228_133822.jpg
https://dl.dropboxusercontent.com/u/3208063/20161228_174755.jpg









« Last Edit: December 30, 2016, 05:04:35 am by dramaone »

dramaone

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Re: Sega Monaco GP cockpit pedal
« Reply #1 on: December 30, 2016, 03:01:45 am »
I'm also unsure if mame or monaco remake can handle an optical input for acc pedal so do you think it is worth progressing or
just replace with a Happ acc/brake pot set instead?
« Last Edit: December 30, 2016, 05:06:52 am by dramaone »

dramaone

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Re: Sega Monaco GP cockpit pedal
« Reply #2 on: January 02, 2017, 01:58:55 pm »
sacked off the optical acc pedal and used a pedal/brake set with pots, hooked up to a u-hid nano, sharing the plus and negative with the wheel.

all good
« Last Edit: January 02, 2017, 02:34:03 pm by dramaone »

  
 

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