Added comments

src/C++/Driver/src/Sensors.cpp

@@ -7,24 +7,24 @@
 DHT dht(DHTPIN, DHTTYPE);
 
 void setup() {
+  //initialize serial communication and the sensors
   Serial.begin(9600);
   dht.begin();
   pinMode(MQ5_PIN, INPUT);
 }
 
 void loop() {
-  delay(500);
-
   float h = dht.readHumidity();
   float t = dht.readTemperature();
   
   int mq5Value = analogRead(MQ5_PIN);
+
   // if sensor isn't connected properly display error message
   if (isnan(h) || isnan(t)) {
     Serial.println("Fout bij het lezen van de sensor!");
     return;
   }
-
+  // puts sensor values in the serial monitor
   Serial.print("Luchtvochtigheid: ");
   Serial.print(h);
   Serial.print(" %\tTemperatuur: ");
@@ -33,4 +33,6 @@ void loop() {
 
   Serial.print("MQ5 waarde: ");
   Serial.println(mq5Value);
+
+  delay(500);
 }