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Optical coin switches?
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RayB:
Level42 is right. I'll post pics later, but what I'm talking about is a small circuit board about 2 inches by 1.5 inches that is located where there would normally be a coin switch. So what presumably happens is the coin passes by the optical detector and that causes an "on" state to be generated. It wouldn't detect coin denominations since there is still a regular coin mech above to do that.


Level42:
Yup.

I was looking at this for a trip wire/ms replacement:
http://www.ortodoxism.ro/datasheets/Sharp/mXyzrxqv.pdf

It has a very wide (10 mm) and deep (12 mm) gap, so lots of space for the coin to pass through. The datasheet even mentions it's application in amusement equipment and vending machines !

However it seems to be discontinued...so I hope I can still find it.
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