v1.1

5 years ago · c69f5535da
2 changed files with 62 additions and 1 deletions
--- a/sensorNode/sensorNode.ino
+++ b/sensorNode/sensorNode.ino
@ -0,0 +1,61 @@
+/*
+* 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);
+}
--- a/webInterface/parking.html
+++ b/webInterface/parking.html
@ -1,5 +1,5 @@
 <!--
-#Authors:   Oulis Evangelos, Oulis Nikolaos, Drosos Katsibras
+#Authors:   Oulis Evangelos, Oulis Nikolaos, Katsibras Drosos
 #===================================================================
 -->
 <!DOCTYPE html>