Common Anode 8x8 LED Array
arduino.cc
Common Anode 8x8 LED Array
Hello, I have bought a few of these 8x8 common anode LED arrays a few years ago. I want to show alphabets etc. on one of them. I will only use green color LEDs. I want to use 8 output ports to specify which LEDs (rows) in each column will turn on (ports 2-9). At the same time I want to use 8 other ports to activate the cathodes for each column ...
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