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beatmania -> PSX control panel adapter?

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taiki:

A few months ago I gutted a beatmania control panel and justnow have gotten around to trying a few things to get it to work as a playstation controller.  The buttons are simple enough, as they're just simple switches.  The turntable however, is an optical spinner, and I need something that'll take the input from this optical spinner and turn it into "turn x switch on" or "turn Y switch on".  in this case, the up and down switch on the digital part of a playstation control pad.  Anyone know of any pre-built circuits that'll do it?  or any other ideas?

b3atmania:

Your best bet is to gut a PlayStation Beatmania controller. The official ones by Konami and ASCII use an optical spinner too. Be weary of the cheap third party controllers as they may have choosen a cheapish way to implement the turntable. Since you gonna butcher the controller I'd suggest getting one on eBay :)

Btw, do you have a working arcade optical sensor for your arcade turntable? If you are not using it I would love to make you an offer as mine got busted during shipping :(

taiki:

i have two spare optical sensors.  If I don't fry them out during the course of modding, sure!

Yeah, a cheap 3rd party one isn't the way to go.  Last night I tried hacking a rave discman, and that didn't turn out well. 

Atleast though, Now I have some idea what the pin out is on the optical sensors.

hooded_paladin:

I wouldn't try to hook the optical encoders up to the circuit in the controller, I'd hook up the circuit's optical encoder to the turntable.  But that's just me.

taiki:

Problem is that they're two vastly different kinds of encoders, physically.

but the theory is is that they work on the same principal

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