diff --git a/arduino/Update sketchDistanceSerial.ino b/arduino/Update sketchDistanceSerial.ino
new file mode 100644
index 0000000..0b8a008
--- /dev/null
+++ b/arduino/Update sketchDistanceSerial.ino	
@@ -0,0 +1,34 @@
+//Définition des constanntes
+// PIN Echo
+const int EchoPin = 8;
+// PIN Trigger
+const int TriggerPin = 9;
+ 
+void setup() {
+   Serial.begin(9600);
+   pinMode(TriggerPin, OUTPUT);
+   pinMode(EchoPin, INPUT);
+}
+ 
+void loop() {
+   int cm = ping(TriggerPin, EchoPin);
+   Serial.print("Distance mesurée : ");
+   Serial.println(cm);
+   delay(1000); // 1 s
+}
+ 
+//Calculer la distance
+int ping(int TriggerPin, int EchoPin) {
+   long duration, distanceCm;
+ 
+   digitalWrite(TriggerPin, LOW);  //Pause de 4 µs
+   delayMicroseconds(4);
+   digitalWrite(TriggerPin, HIGH);  //Génération de 10 µs
+   delayMicroseconds(10);
+   digitalWrite(TriggerPin, LOW); //Pause
+ 
+   duration = pulseIn(EchoPin, HIGH);  // lecture 
+ 
+   distanceCm = duration * 10 / 292/ 2;   // Vitesse du son converti en cm
+   return distanceCm;
+}