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How to Piggyback a Dreamcast Controller on a Universal PCB

Step 9Finish

Finish
We should be all finished, but there is one test you should ALWAYS do after making changes, before plugging your stick into anything. Go ahead and connect the piggybacked controller to the UPCB via the ribbon cable and screw the UPCB cable to the back of your stick. Take a multimeter, and check the resistance between the VCC_TEST point and the GND_TEST point. The resistance should be infinite. If you see a low resistance between those two points, do NOT plug it into anything; you will fry your equipment. Find the cause of the short circuit and fix it before proceeding any further.

Once you are positive there is no short, plug it in and test it on your Dreamcast. Enjoy!
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Author:Toodles