Étape 4: Arduino Sketch
int sensorPin = A0 ;
int sensorValue = 0 ; int piezoPin = 9 ;
void setup() {pinMode(sensorPin,INPUT) ; pinMode(7,OUTPUT) ; pinMode(6,OUTPUT) ; pinMode(piezoPin,OUTPUT) ; digitalWrite(7,HIGH) ; digitalWrite(6,LOW);}
void loop() {sensorValue=analogRead(sensorPin) ; if (sensorValue < = 1000) {digitalWrite(piezoPin,HIGH) ; {tone(9,3047,400) ; noTone(8);} digitalWrite(7,HIGH) ; } else {digitalWrite(piezoPin,LOW) ; digitalWrite(7,LOW);} sensorValue = 1000 ; }