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What is a matrix?


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2 hours ago, Lightnewbie said:

I want to buy a pixel matrix panel to use on a fence. But I do not understand what a matrix is. 

Bingo 😛 That is another type of Matrix.

It is just Rows (and columns) of lights, that you chose to control to form images / letters.  You noticed I said Rows. That is be cause we don't  use the Cross-point method to control like old fashioned LED Alpha-Numeric displays did. There the apply a Column voltage and ground a Row line. The intersecting LED lit.

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