Wow! Thank you so much!
I know. The code is a kind of standard default we can use for simulators, and then you need to change some things to make it work for your setup. In my case I use relays instead of PWM. Ive added speedpin outputs and write the gap section. Can i add Speedpin3 and Speedpin4 and write it like this now?;
if (gap > gapRangeL[4]) {
Serial.print("Gap > "); Serial.println(gapRange[4]);
digitalWrite(speedpin1, LOW);
digitalWrite(speedpin2, LOW);
if (gap > gapRangeR[4]) {
Serial.print("Gap > "); Serial.println(gapRange[4]);
digitalWrite(speedpin3, LOW);
digitalWrite(speedpin4, LOW);