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Coin Mechs - Multiple credits

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novyan:

Thank you trimoor,

Now I found what I've been looking :D
 
Looks good and simple, will try that!

Is like this right http://members.shaw.ca/roma/thirty-four.html

Now I want something more :-[ What do I need if I want to add 1 digit display to it?

Thanks a lot.



Popcorrin:

I'm kind of curious why someone would want to go thru all the trouble for this?  Seems pretty elaborate for a mame cab.  Occasionally on mine I will use the coin door but usually just to show someone it works.

Thenasty:

So just in case coins are inserted on the Menu so no ones will complain about loosing the coins  ::) it will be on the diplat mark "Credits"
soon maybe this will be ask next, How can I subract 1 credit from the display when the button is pushed  :angel: (after a game is loaded of course, and the button is dis-abled if it still in the Menu)  :police:
Things that makes you go hhhhmmmmmm  ! ! !



Trimoor:

Here's the resource on the 4017 that I used:
http://www.doctronics.co.uk/4017.htm

I have no idea what you mean by the display.  What would it be for?
There are several 7-segment LED drivers like 4511, but at this point it might be easier to just use a microcontroller.

Gunstar Hero:

Sounds like he's thinking of a Neo Geo type setup... where you have the 1p Credits and 2p Credits LED's and you can select games with the credit in "stasis" until you hit the game you want, yes?

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