#define pinLedJaune 5
#define pinLedRouge 6

void setup() {
  pinMode(pinLedJaune, OUTPUT);
  pinMode(pinLedRouge, OUTPUT);
}

void loop() {
  int rouge = random(127,255);
  int jaune = rouge * random(00,50) / 100;
  int duree = random(50,200);
  analogWrite(pinLedRouge, rouge);
  analogWrite(pinLedJaune, jaune);
  delay(duree);
}