I don't intend to make any modification in the code or something, because I really don't know about programming (in fact, I noticed that my matrix has pins left).
JoeN, yes, I noticed this, but when I bought the matrix last year, I didn't find a monocolored one. I just wanna put the things working hahaha. I don't intend to make any modification in the code or something, because I really don't know about programming (in fact, I noticed that my matrix has pins left). I wanna focus on diodes and semiconductors in my science fair. After that, I'll sell the parts. So, which matrix do you think I can buy to get more chances of success?
It looks like your pots are connected on the our=side pins of the pot. You need to connect the middle pin and one of the outside pins.A pot is a variable resistor with the middle of the 'wiper' connected at the center. When you rotate one way or the other the wiper moves in the resistor so that you get a different value on the two outer pins that add up to total rating for the pot (ie, it is a variable voltage divider).
And I don't know if it's normal, but the code is running automatically, without Arduino software.
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