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Author Topic: Two 4051's to drive 8x8 LED matrix - interference  (Read 2426 times)
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True, I had a choice between MAX7219 and CD4159. At that time I was looking at something that I could connect 100% myself (no help from outside smiley-roll-sweat) and rapidly, so I chose CD4159 for simplicity and datasheet clarity.
Oh yeah, as far as I understood MAX7219 is best suited for common cathodes, meaning I had to do  some stuff (advised at forums, like inverting currents and many more I do not understand at all) to get it working with common anode matrices.
« Last Edit: April 09, 2013, 02:04:33 pm by rodneysfan » Logged

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