diff --git a/hydrobot_can.json b/hydrobot_can.json
--- a/hydrobot_can.json
+++ b/hydrobot_can.json
@@ -2,11 +2,42 @@
 {
     "messages": [
         {
-        "name": "AirTemp",
-        "id": "0x100",
-        "signals": {"0": {"name": "Temperature", "bit_length": 16, "factor": 0.1, "offset": -40, "unit": "C"},
-                    "16": {"name": "Humidity", "bit_length": 16, "factor": 0.01, "offset": 0, "unit": "%"},
-                    "32": {"name": "Pressure", "bit_length": 16, "factor": 0.1, "offset": 0, "unit": "kPa"}
+        "name": "AirSense",
+        "id": "0x202",
+        "signals": { "0": {"name": "Nothing", "bit_length": 16, "factor": 1, "offset": 0, "unit": ""},
+                    "16": {"name": "Temperature", "bit_length": 16, "factor": 0.01, "offset": 0, "unit": "C"},
+                    "32": {"name": "Humidity", "bit_length": 16, "factor": 0.01, "offset": 0, "unit": "%RH"},
+                    "48": {"name": "Pressure", "bit_length": 16, "factor": 0.1, "offset": 0, "unit": "hPa"}
+                   }
+        },
+        {
+        "name": "RelayDriveOut",
+        "id": "0x203",
+        "signals": { "0": {"name": "Nothing", "bit_length": 32, "factor": 1, "offset": 0, "unit": ""},
+                    "32": {"name": "Output1", "bit_length": 8, "factor": 1, "offset": 0, "unit": "bool"},
+                    "40": {"name": "Output2", "bit_length": 8, "factor": 1, "offset": 0, "unit": "bool"},
+                    "48": {"name": "Output3", "bit_length": 8, "factor": 1, "offset": 0, "unit": "bool"},
+                    "56": {"name": "Output4", "bit_length": 8, "factor": 1, "offset": 0, "unit": "bool"}
+                   }
+        },
+        {
+        "name": "RelayDriveIn",
+        "id": "0x204",
+        "signals": { "0": {"name": "Nothing", "bit_length": 32, "factor": 1, "offset": 0, "unit": ""},
+                    "32": {"name": "Input1", "bit_length": 8, "factor": 1, "offset": 0, "unit": "bool"},
+                    "40": {"name": "Input2", "bit_length": 8, "factor": 1, "offset": 0, "unit": "bool"},
+                    "48": {"name": "Input3", "bit_length": 8, "factor": 1, "offset": 0, "unit": "bool"},
+                    "56": {"name": "Input4", "bit_length": 8, "factor": 1, "offset": 0, "unit": "bool"}
+                   }
+        },
+        {
+        "name": "Stuff",
+        "id": "0x205",
+        "signals": { "0": {"name": "Nothing", "bit_length": 32, "factor": 1, "offset": 0, "unit": ""},
+                    "32": {"name": "Input1", "bit_length": 8, "factor": 1, "offset": 0, "unit": "bool"},
+                    "40": {"name": "Input2", "bit_length": 8, "factor": 1, "offset": 0, "unit": "bool"},
+                    "48": {"name": "Input3", "bit_length": 8, "factor": 1, "offset": 0, "unit": "bool"},
+                    "56": {"name": "Input4", "bit_length": 8, "factor": 1, "offset": 0, "unit": "bool"}
                    }
         }
     ]