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Author Topic: USB Controller Hack Question about grounding  (Read 1178 times)

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mvolke1

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USB Controller Hack Question about grounding
« on: April 24, 2015, 12:42:40 am »
Hi Guys,

Do I have to use the ground on the USB controller I'm hacking or can I use a different ground, like the one on my LEDs or the Opipac?
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BobA

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Re: USB Controller Hack Question about grounding
« Reply #1 on: April 24, 2015, 04:07:25 am »
All the grounds are the same if they are on the same computer.
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mvolke1

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Re: USB Controller Hack Question about grounding
« Reply #2 on: April 24, 2015, 03:35:08 pm »
Quote from: BobA on April 24, 2015, 04:07:25 am
All the grounds are the same if they are on the same computer.

Thanks for the reply.

I'm using a Raspberry Pi, so if I have an Optipac that goes to the Pi via USB, could I ground my arcade buttons that are wired to the controller to the Optipac?
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