int pir_pin = 2;int led_pin = 3;int buzzer_pin = 4;
void setup(){ pinMode(pir_pin, INPUT); pinMode(led_pin, OUTPUT); pinMode(buzzer_pin, OUTPUT); Serial.begin(9600);}
void loop(){ if(digitalRead(pir_pin) == HIGH) { digitalWrite(led_pin, HIGH); digitalWrite(buzzer_pin, HIGH); Serial.println("Detectado"); } else{ digitalWrite(led_pin, LOW); digitalWrite(buzzer_pin, LOW); Serial.println("No Detectado"); }}