Hi everybody, Nearly a noob here, just an "engineer" who is interested in Arduino - hope you guys will forgive some "stupid" questions. I´m looking for a method to turn some LED´s in a row behind each other on and off, as fast as the human eye can see. So it looks like the whole row is lighted, al…

WS2801 - PWM?

system May 2, 2018, 7:06pm 2

for (int i=1; i< 4; i++)
  {
int ii=i-1;

Why not

for (int ii=0; ii< 3; ii++)
  {

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