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Roll Down Coin Mech and MAME
PL1:
--- Quote from: blacketj on October 09, 2013, 06:17:08 pm ---The one you linked will only work with quarters.
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See the PDF I linked earlier -- it is adjustable for tokens, too.
--- Quote from: CalixPapi on October 09, 2013, 05:06:28 pm ---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.
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IIRC someone around here has modded another type of mech to be non-selective on size.
Not sure if this specific mech can be modded like that, though. :dunno
Scott
Edit: If you want to use the Adafruit (CH-926) mech that Blacketj linked with an IPac or similar encoder, check out this thread.
michelevit:
--- Quote from: blacketj on October 09, 2013, 06:17:08 pm ---
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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I've successfully installed one of these multi coin mechs in a cabinet I built. Works great. You do need to power it (i think 12vdc which I tapped off the power supply. ) I programmed it so it accepts quarters, nickels, dimes and pennies. Each coin can have its own different credit value. You do need a resister to bring the trigger voltage from 12 to 5 volts.
CalixPapi:
--- Quote from: michelevit on October 09, 2013, 07:20:19 pm ---I've successfully installed one of these multi coin mechs in a cabinet I built. Works great. You do need to power it (i think 12vdc which I tapped off the power supply. ) I programmed it so it accepts quarters, nickels, dimes and pennies. Each coin can have its own different credit value. You do need a resister to bring the trigger voltage from 12 to 5 volts.
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That is more what I was looking for. I will probably just buy the one I first listed though, I just know my kids will throw just about anything in there.
Plus this is my first build and I just want something playable and looks nice, I have a million other ideas from this forum that I can throw in other builds. But thank you all for your insights.
dgame:
--- Quote from: dgame on August 22, 2012, 02:24:36 pm ---I used them on a build before, nice mechs. You have to use a 5 volt Zener diode between ground and coin signal or you could fry the I-PAC.
I used: http://www.radioshack.com/product/index.jsp?productId=2049726
See: Coin Mech Connections and setup : http://www.ultimarc.com/controldiags.html
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JohnEDollar:
--- Quote from: michelevit on October 09, 2013, 07:20:19 pm ---
I've successfully installed one of these multi coin mechs in a cabinet I built. ... I programmed it so it accepts quarters, nickels, dimes and pennies. Each coin can have its own different credit value.
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michelevit:
How did you program/configure your coin mech to accept quarters, nickels, dimes and pennies? :dunno
I'm trying to accomplish the same task for my son, and create a "piggy bank" of sorts for him.
Please share your technique! ;)
Thanks!
- John
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