const int R1 = 2;
const int G1 = 3;
const int V1 = 4;
const int R2 = 5;
const int G2 = 6;
const int V2 = 7;
 
 
void setup() {
  pinMode(R1, OUTPUT);
  pinMode(G1, OUTPUT);
  pinMode(V1, OUTPUT);
  pinMode(R2, OUTPUT);
  pinMode(G2, OUTPUT);
  pinMode(V2, OUTPUT);
  // impostazioni del selettore (imput digitale)
  pinMode(pinmodo, INPUT);
  // ativo comunicazione seriale
  Serial.begin(9600);
}
 
void loop() {
bool modo;
modo = digitalRead(pinmodo);
// eseguo if-else
if(test logico)}

  digitalWrite(R1, HIGH);
  digitalWrite(R2, HIGH);
  delay(2000);
  digitalWrite(G1, HIGH);
  digitalWrite(R1, LOW);
  delay(2000);
  digitalWrite(V1, HIGH);
  digitalWrite(G1, LOW);
  delay(10000);
  digitalWrite(G1, HIGH);
  delay(3000);
  digitalWrite(G1, LOW);
  digitalWrite(V1, LOW);
  digitalWrite(R1, HIGH);
  delay(2000);
 
  digitalWrite(G2, HIGH);
  digitalWrite(R2, LOW);
  delay(2000);
 
  digitalWrite(G2, LOW);
  digitalWrite(V2, HIGH);
  delay(10000);
 
  digitalWrite(G2, HIGH);
  delay(3000);
  digitalWrite(G2, LOW);
  digitalWrite(V2, LOW);
}