Hi, I'd like to create a led panel like this one: NerdKits - DIY Marquee LED Array Display For now I only have two columns with 5 rows so 20 LEDS (5 LEDS per column * 2 columns * 2 LED columns per column). I am having trouble when trying to light up only one led at a time. I turn all output pins t…

Led panel

Grumpy_Mike September 20, 2012, 10:25pm 3

Only put one column high, the other low. Then put only one row high and the others low.

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