int analog = A0; int numero; int estado; void setup() { //numero = random(8,14); Serial.begin(9600); pinMode(2, OUTPUT); pinMode(3, OUTPUT); pinMode(8, INPUT); pinMode(9, INPUT); pinMode(10, INPUT); pinMode(11, INPUT); pinMode(12, INPUT); pinMode(13, INPUT); digitalWrite(2, HIGH); randomSeed(analogRead(analog)); numero = random(8,14); } void loop() { estado = digitalRead(numero); Serial.println(numero); Serial.println(estado); if(estado == 1) { digitalWrite(3, HIGH); delay(100); digitalWrite(2, LOW); delay(1000); numero = random(8,14); } else { digitalWrite(2, HIGH); delay(100); digitalWrite(3, LOW); delay(100); } }