arduino

int verde = 8;
int rosso = 7;

void setup() {
  pinMode(8, OUTPUT); //verde
  pinMode(7, OUTPUT); //rosso
}

void loop() {
  digitalWrite(verde, HIGH);
  delay(50000);
  digitalWrite(verde, LOW);
  digitalWrite(rosso, HIGH);
  delay(50000);
  digitalWrite(rosso, LOW);
}