diff --git a/y2014/queues/auto_mode.fbs b/y2014/queues/auto_mode.fbs
new file mode 100644
index 0000000..bca34f8
--- /dev/null
+++ b/y2014/queues/auto_mode.fbs
@@ -0,0 +1,9 @@
+namespace y2014.sensors;
+
+// Published on "/aos"
+table AutoMode {
+  // Voltage of the analog auto selector knob.
+  voltage:double;
+}
+
+root_type AutoMode;