Hello together, I try since days to get my MKR1000 working with LedControl Library and two Max7221 but with totally no success. The Led matrix is dark. Has anybody an idea what's wrong? PS: I use a level shifter (3.3=>5 V from SparkFun) Greetings Elias

MKR1000 not workling with LedControl and MAX7221

Ballscrewbob October 9, 2016, 10:03pm 2

For anyone to even start helping you should post your current schematic and code.
When posting code PLEASE USE THE CODE TAGS ( </> )

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