I am trying to create a discrete rgb led matrix, using rgb leds common cathode, using a maxim 7219 or 7221. I intend on using one 7219/7221 for each color. My question is how do I hook up the cathode for the leds, they are common cathode, do I just connect the cathodes to each chip and rely on the a…

Maxim 7219/7221 rgb led matrix question

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