Tag Archives: led_matrix

This is freakin’ awesome!

We started experimenting with “row/column scanning”. This term refers to how the columns of shared anodes(+) and rows of shared cathodes(-) in an LED matrix can be quickly turned on and off to control a single LED within the matrix. Because the number of LEDs with in a matrix will always be fewer than the total number of rows and columns, it is more efficient to quickly address the columns and rows than each individual LED. We first soldered a 4×4 matrix

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