void setup() {
  pinMode(6, OUTPUT);
  pinMode(3, OUTPUT);
}

void loop() {
  int pot=analogRead(A5);
  int brillo1=map(pot,0,1023,0,130);
  analogWrite(3,brillo1);
  int brillo2=map(pot,0,1023,130,0);
  analogWrite(6,brillo2);
}