diff --git a/libraries/AP_HAL_ChibiOS/hwdef/f103-HWESC/hwdef-bl.dat b/libraries/AP_HAL_ChibiOS/hwdef/f103-HWESC/hwdef-bl.dat
new file mode 100644
index 0000000000..ca3c809758
--- /dev/null
+++ b/libraries/AP_HAL_ChibiOS/hwdef/f103-HWESC/hwdef-bl.dat
@@ -0,0 +1,6 @@
+include ../f103-periph/hwdef-bl.dat
+
+# start with a fixed node ID so the board is usable without DNA
+define HAL_CAN_DEFAULT_NODE_ID 111
+
+define CAN_APP_NODE_NAME "org.ardupilot.ap_periph_HWESC"
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/f103-HWESC/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/f103-HWESC/hwdef.dat
new file mode 100644
index 0000000000..eec0323acb
--- /dev/null
+++ b/libraries/AP_HAL_ChibiOS/hwdef/f103-HWESC/hwdef.dat
@@ -0,0 +1,7 @@
+include ../f103-periph/hwdef.dat
+
+define HAL_CAN_DEFAULT_NODE_ID 111
+
+define CAN_APP_NODE_NAME "org.ardupilot.ap_periph_HWESC"
+
+define HAL_PERIPH_ENABLE_HWESC