How do I wire cone buttons in Jamma cab?

tomtime

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They are original Atari cones. I think they are powered by 2v. How can i decrease the 5v from the PS?
 
You need a current limiting resistor. I don't know what the specs on the Atari lighted buttons are, but for a standard LED, 330 ohm is pretty common. Something bigger, like 470 ohm is fine too - and it won't be blindingly bright. I'd probably try that first, see how it looks.

Remember, LED's have a polarity. Don't hook it up backwards!

-Ian
 
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