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Author Topic: [solved/video] 8x8 RGB serial port with decent framerate (Colorduino)  (Read 4382 times)
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Thanks! Just looking through the code, I'm confused why there is a row latch pin and also a column latch pin. My 4 shift registers for my 4x4 rgb matrix are currently daisy-chained and I can control each led... but am I meant I separate the latch pin for the common anodes from the latch pin for the cathodes for the shiftMatrixPWM to work?
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Thanks Milamber! I've read through the forum that you had linked me. I'm still a bit confused as to why there is a columnLatch and a rowLatch in the shiftMatrixPWM.

I've got a 4x4 matrix with me which uses four 595s (one for each rgb colour and one for the common anode). This means I have a latch, clock and data pin that needs to be connected to the Arduino Uno. How should I connect it up using the shiftMatrixPWM? Or more specifically, what should I be assigning the rowLatch and columnLatch pins to?

Much appreciated.
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