Добавил часы, уменьшил targetFps, поправил обращение к OpenHAB

Assets/Scripts/Clock.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class Clock : MonoBehaviour
+{
+    [SerializeField]
+    Text clockText;
+    
+    void Update()
+    {
+        clockText.text = DateTime.Now.ToString("HH:mm:ss");
+    }
+}