diff --git a/devices/led_ctrl1.properties b/devices/led_ctrl1.properties
new file mode 100644
index 0000000..ede20e9
--- /dev/null
+++ b/devices/led_ctrl1.properties
@@ -0,0 +1,8 @@
+#Wed Jun 21 15:13:57 CEST 2017
+maxValue=NaN
+minValue=NaN
+offset=0.0
+precision=-1
+resolution=NaN
+scale=1.0
+unit=null
diff --git a/devices/led_ctrl2.properties b/devices/led_ctrl2.properties
new file mode 100644
index 0000000..ede20e9
--- /dev/null
+++ b/devices/led_ctrl2.properties
@@ -0,0 +1,8 @@
+#Wed Jun 21 15:13:57 CEST 2017
+maxValue=NaN
+minValue=NaN
+offset=0.0
+precision=-1
+resolution=NaN
+scale=1.0
+unit=null