diff --git a/devices/d3.properties b/devices/d3.properties
new file mode 100644
index 0000000..a3d1088
--- /dev/null
+++ b/devices/d3.properties
@@ -0,0 +1,11 @@
+#Tue Jul 11 09:18:27 CEST 2023
+offset=0.0
+maxValue=10.0
+rotation=false
+precision=-1
+scale=1.0
+description=null
+resolution=NaN
+minValue=-10.0
+unit=null
+sign_bit=0
diff --git a/devices/d4.properties b/devices/d4.properties
new file mode 100644
index 0000000..fb002e7
--- /dev/null
+++ b/devices/d4.properties
@@ -0,0 +1,11 @@
+#Tue Jul 11 09:17:19 CEST 2023
+minValue=NaN
+unit=null
+offset=0.0
+maxValue=NaN
+rotation=false
+precision=-1
+sign_bit=0
+scale=1.0
+description=null
+resolution=NaN