I have the Max7219 dot led matrix with arduino uno. I have the driver installed in my pc. I verified and upload the example blink. after the upload it said done upload. but there is no action on the max 7219. how do I make the 8*8 led run to see blinking? thank you to help.

debug

Paul_B November 18, 2015, 2:13am 13

Sigh!

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