Changed tendenz calculation to min 3 up/down

Wetterstation/Sensor.cs

@@ -78,7 +78,7 @@ namespace Wetterstation
                     oldTemp = temp;
                 }
             }
-            if ((up > 5 || down > 5) && _temperatures.Count == 10)
+            if ((up > 2 || down > 2) && _temperatures.Count == 10)
             {
                 if (up > down) return 180;
                 else if (down > up) return 0;
@@ -112,7 +112,7 @@ namespace Wetterstation
                 }
             }
 
-            if ((up > 5 || down > 5) && _pressures.Count == 10) {
+            if ((up > 2 || down > 2) && _pressures.Count == 10) {
                 if (up > down) return 180;
                 else if (down > up) return 0;
                 else return -1;
@@ -144,7 +144,7 @@ namespace Wetterstation
                     oldHumidity = humidity;
                 }
             }
-            if ((up > 5 || down > 5) && _humiditys.Count == 10)
+            if ((up > 2 || down > 2) && _humiditys.Count == 10)
             {
                 if (up > down) return 180;
                 else if (down > up) return 0;