#define ledMerah 12
#define ledHijau 11
#define potentiometer A1
#define buzzer 8
int sensorNilai = 0;
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
pinMode(ledMerah, OUTPUT);
pinMode(buzzer, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
sensorNilai = analogRead( potentiometer) ;
if(sensorNilai >= 400){
digitalWrite(ledMerah , LOW);
digitalWrite(ledHijau, LOW);
tone(buzzer, 10000);
}else{
digitalWrite(ledMerah, HIGH);
digitalWrite(ledHijau, HIGH);
noTone(buzzer);
}
delay(sensorNilai);
if(sensorNilai >= 400){
Serial.println("bahaya");
}else{
Serial.println("normal");
}
}