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jamma button wiring
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tonylamp:
Hi all. I am a new to the arcade world and I just found this web site and I can tell you that I am very glad that I did. It's great, I've learned so much in just the past 10 minutes. I have a question and I am hoping someone can help me out. When wiring a jamma game where do I get the power for the player buttons? Do I use one of the 5V pinout? Thanks everyone.
krick:
The buttons aren't "powered". They're just switches that connect one of the JAMMA pins to ground when pressed.
Each button connects to a ground "loop" that is connected to one of the JAMMA grounds usually Pin "28" or Pin "f".
See this link for a little more info about JAMMA harnesses...
http://www.dameon.net/BBBB/jh.html
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