I have a problem;
I want to connected two “MAX 7219” integrated, each other.
Also; I will send “32” by serial from computer to arduino,I want 32st led on.
Duplicate post - Locked! Stick with the original: http://forum.arduino.cc/index.php?topic=431911.msg2977334#msg2977334
Please don't crosspost - one question, one conversation please. If you don't like the subforum your first question is in, we can move it.