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Roll Down Coin Mech and MAME
CalixPapi:
Was searching around and could not find exactly what I was looking for. I am in the process of building a bartop and was thinking of having a small coin mech in it. I found this on ebay and was just wondering if anyone has made this work with MAME and how do you?
http://www.ebay.com/itm/SUZO-HAPP-25-Roll-Down-Quarter-Acceptor-Coin-Mechanism-/300940150392?pt=LH_DefaultDomain_0&hash=item46116e4678
Any help would be appreciated.
WindDrake:
Just like a regular coin door, it'll have a switch at the bottom with .250 QD contacts labed NO, NC, and COM.
Common is your return path (or Ground).
NO is for Normally Open contacts, NC is for Normally Closed. You'll be using Normally Open.
One wire from Ground on your Encoder goes to COM. The other wire from the COIN or button input goes to the NO connection.
When a coin is inserted, button is pushed. Viola.
PL1:
The related Suzo-Happ page is here.
Pretty sure that you can see the microswitch lever wire in the lower left corner of this pic.
Also, there's a PDF here for adjusting coin sizes.
Scott
CalixPapi:
Thanks for the explanation. Now is there a way to have any coin acceptable? or is it one coin specific? I am going to have a button for coin up on the bartop but this will be like a piggy bank with a reward idea.
blacketj:
Most coin mechs are going to be designed for a single coin type. The one you linked will only work with quarters. It is possible to buy a coin mech that takes more denominations
http://www.adafruit.com/products/787
But I dont' think that would work directly with MAME. Mame is only going to know that the coin button was hit, not how much money you threw at it. With that fancy coin mech it would be possible design circuit with a micro controller to count up the money that was put in and then when it hits a certain threshold the micro controller sends a signal to the button interface board's coin terminal. A little complicated if you don't use micro controllers(complicated even if you do), but it could be very cool.
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