diff --git a/libraries/AP_HAL_ChibiOS/hwdef/f103-RangeFinder/hwdef-bl.dat b/libraries/AP_HAL_ChibiOS/hwdef/f103-RangeFinder/hwdef-bl.dat
new file mode 100644
index 0000000000..3d0788ef2f
--- /dev/null
+++ b/libraries/AP_HAL_ChibiOS/hwdef/f103-RangeFinder/hwdef-bl.dat
@@ -0,0 +1,7 @@
+include ../f103-periph/hwdef-bl.dat
+
+define CAN_APP_NODE_NAME "org.ardupilot.ap_periph_rangefinder"
+
+define HAL_CAN_DEFAULT_NODE_ID 115
+
+
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/f103-RangeFinder/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/f103-RangeFinder/hwdef.dat
new file mode 100644
index 0000000000..1ad383b269
--- /dev/null
+++ b/libraries/AP_HAL_ChibiOS/hwdef/f103-RangeFinder/hwdef.dat
@@ -0,0 +1,13 @@
+include ../f103-periph/hwdef.dat
+
+define CAN_APP_NODE_NAME "org.ardupilot.ap_periph_rangefinder"
+
+define HAL_CAN_DEFAULT_NODE_ID 115
+
+define HAL_AIRSPEED_BUS_DEFAULT 0
+define AIRSPEED_MAX_SENSORS 1
+
+define HAL_PERIPH_ENABLE_RANGEFINDER
+define RANGEFINDER_MAX_INSTANCES 1
+
+define HAL_SERIAL3_PROTOCOL SerialProtocol_Rangefinder