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New panels don't work anymore. Something changed in the manufacturing #353

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RobertHolscher opened this issue Nov 23, 2024 · 2 comments

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@RobertHolscher
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  1. Just the basic pattern_test.ino was used with 1.3.0 and 1.8 library of PxMatrix
  2. Connected is according to a,b,c,d, for a 64x32 1/16 scanrate panel P5 Hub 75-D with R1
  3. No pixel is lit , same supplier of the panel, same specs but it is not working any more. Manufacturer is talking about double latch but layout is the same
    4.Pattern_Test.ino was run but no pixels are lit, so photo is of no use
  4. Both tested with 1.3.0 and 1.8.0 of Pxmatrix library on ESP8266 with Arduino IDE. Old panels still work fine. Looked for other manufacturers but it is a hit and miss if they work (sometimes I get panels which work and other are not responding. Wiring is according to you instructions, and the wiring is good because it works with older panels of the same manufacturer.

What other info do you require for a possible solution?

@RobertHolscher
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It appears to be the 2038s chip which is causing the trouble. Is there a fix known for this new driver chip? How can I use it with the pxmatrix library?

@RobertHolscher
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ICN2038S.pdf
This is the specsheet of the 2038S. Previous panels (which work fine ) had the 2037 chip. Is there a way to use the new chip 2038S on the HUB 75D panel 64x32 1/16 P5 ? It would be a life safer if you can !

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