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HUB75 extension cable


SteveNZ

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Does anyone have any experience with how long the HUB75 cable can be?

I have a P5 panel that I want to install on the top of the pinball machine so I need about a 0.9m cable.  I made a cable and tested it but the display was very messy with waves and ghosting and other interference. This cable was about 900mm long

I made a shorter cable about 200mm long and the extension panel worked perfectly.

 

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I could place the shield halfway between the standard DMD position and the extended DMD, then each of the 16pin cables would be about 500mm. However I think a more elegant solutions may be to boost the signals for an extension as suggested by Rappelbox.

I'll do some testing with some LS245 chips and see what happens.

 

 

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