Hello, I am trying to put together a circuit using my arduino mega 1280, a max7219 LED driver and a 8x8 LED matrix. I have torn down my circuit and rebuilt it. I have swapped every part and wire also. For some reason, my LED matrix lights up ALL the led's all the time. Can someone help me understa…

Max7219 and 8x8LED matrix - all LEDs are constantly on

system October 10, 2012, 3:52pm 6

SOLVED. Crossroads was right, I had my annodes and cathodes connected incorrectly. Thank you!

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