diff -r 59024371cd50 -r 6dc755f1970e Hardware/Sensor.cs
--- a/Hardware/Sensor.cs	Wed Dec 08 19:23:13 2010 +0000
+++ b/Hardware/Sensor.cs	Thu Jan 20 21:31:54 2011 +0000
@@ -57,6 +57,7 @@
     private readonly Queue<SensorValue> values =
       new Queue<SensorValue>(MAX_MINUTES * 15);
     private readonly ISettings settings;
+    private IControl control;
     
     private float sum;
     private int count;
@@ -186,5 +187,14 @@
       foreach (IParameter parameter in parameters)
         parameter.Accept(visitor);
     }
+
+    public IControl Control {
+      get {
+        return control;
+      }
+      internal set {
+        this.control = value;
+      }
+    }
   }
 }