https://www.arduino.cc/en/Tutorial/RowColumnScanning
This code really confused me because I don't know if the pixels[x][y]
is HIGH or LOW in void refreshScreen()
.
As you look at the code, pixels[x][y]
is HIGH and then LOW in void setup()
, and then pixels[x][y]
is HIGH again in void loop()
. Could anyone explain this to me, please?