diff --git a/openflexure_microscope/camera/base.py b/openflexure_microscope/camera/base.py
index 0bfb5c2c..3cd12770 100644
--- a/openflexure_microscope/camera/base.py
+++ b/openflexure_microscope/camera/base.py
@@ -120,7 +120,9 @@ class BaseCamera(metaclass=ABCMeta):
         self.stream_timeout = 20
         self.stream_timeout_enabled = False
 
-        self.state = {}
+        self.state = {
+            "board": None
+        }
 
         # TODO: Load/save these to config
         self.paths = {
diff --git a/openflexure_microscope/camera/mock.py b/openflexure_microscope/camera/mock.py
index 0b11e0b5..941499bb 100644
--- a/openflexure_microscope/camera/mock.py
+++ b/openflexure_microscope/camera/mock.py
@@ -25,7 +25,11 @@ class MockStreamer(BaseCamera):
         BaseCamera.__init__(self)
 
         # Store state of PiCameraStreamer
-        self.state.update({"stream_active": False, "record_active": False})
+        self.state.update({
+            "stream_active": False, 
+            "record_active": False,
+            "board": None
+        })
 
         # Update config properties
         self.image_resolution = (1312, 976)
diff --git a/openflexure_microscope/camera/pi.py b/openflexure_microscope/camera/pi.py
index 55cbec75..89b9cefe 100644
--- a/openflexure_microscope/camera/pi.py
+++ b/openflexure_microscope/camera/pi.py
@@ -66,9 +66,13 @@ class PiCameraStreamer(BaseCamera):
         )  #: :py:class:`picamera.PiCamera`: Picamera object
 
         # Store state of PiCameraStreamer
-        self.state.update(
-            {"stream_active": False, "record_active": False, "preview_active": False}
-        )
+        self.state.update({
+            "stream_active": False, 
+            "record_active": False, 
+            "preview_active": False,
+            "board": f"picamera_{self.camera.revision}",
+        })
+
         # Reset variable states
         self.set_zoom(1.0)
 
@@ -78,6 +82,9 @@ class PiCameraStreamer(BaseCamera):
         self.numpy_resolution = (1312, 976)
         self.jpeg_quality = 75
 
+        # Update board identifier
+        self.state.update({})
+
         # Create an empty stream
         self.stream = io.BytesIO()