diff --git a/sensorNode/sensor.ino b/sensorNode/sensor.ino
deleted file mode 100644
index c316684..0000000
--- a/sensorNode/sensor.ino
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
-* Athors: Oulis Evnagelos, Oulis Nikolaos, Katsibras Drosos
-* Ultrasonic Sensor HC-SR04 and Arduino
-*
-*/
-
-// defines pins numbers
-const int trigPin = 9;
-const int echoPin = 10;
-const int response = 6;
-const int response1 = 5;
-const int id = 2;
-
-// defines variables
-long duration;
-int distance;
-
-void setup() {
-pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output
-pinMode(response, OUTPUT);
-pinMode(response1, OUTPUT);
-pinMode(echoPin, INPUT); // Sets the echoPin as an Input
-Serial.begin(9600); // Starts the serial communication
-
-// Clears the trigPin
-digitalWrite(trigPin, LOW);
-delayMicroseconds(2);
-}
-
-void loop() {
-// Sets the trigPin on HIGH state for 10 micro seconds
-digitalWrite(trigPin, HIGH);
-delayMicroseconds(10);
-digitalWrite(trigPin, LOW);
-
-// Reads the echoPin, returns the sound wave travel time in microseconds
-duration = pulseIn(echoPin, HIGH);
-
-// Calculating the distance
-distance= duration*0.034/2;
-
-// Prints the distance on the Serial Monitor
-//Serial.print("Distance: ");
-//Serial.println(distance);
-
-String park_out;
-if (distance < 4){
-  park_out = String(id) + "#0"; //parking isn't available.
-  digitalWrite(response, LOW);
-  digitalWrite(response1, HIGH);
-}
-else{
-  park_out = String(id) + "#1"; //parking is available.
-  digitalWrite(response, HIGH);
-  digitalWrite(response1, LOW);
-}
-
-Serial.println(park_out);
-
-delay(500);
-}