Does not power up when powering through the FeatherWing
This may happen on some M4 based Feathers when used with the Rev A version of the RGB Matrix FeatherWing that has a 100K pull up resistor on the enable (EN) pin. It can be solved by either replacing the 100K resistor with or adding a 10K resistor on top of it. You can even use a through hole resistor if you want.
Why are green and blue reversed on my 2.5mm panel?
On the 64x32 2.5mm panels (product ID [5036](https://www.adafruit.com/product/5036)), the green and blue channels are swapped compared to the standard HUB75 pinout. When using with libraries, simply swap the pin numbers for G1, G2 with B1, B2 in software to flip them back around.
Page last edited June 12, 2024
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