diff --git a/boards/nxp/rddrone-uavcan146/init/rc.board_defaults b/boards/nxp/rddrone-uavcan146/init/rc.board_defaults
new file mode 100644
index 0000000000..02e94dee80
--- /dev/null
+++ b/boards/nxp/rddrone-uavcan146/init/rc.board_defaults
@@ -0,0 +1,12 @@
+#!/bin/sh
+#
+# board defaults
+#------------------------------------------------------------------------------
+
+
+if [ $AUTOCNF = yes ]
+then
+
+fi
+
+pwm_out mode_pwm1 start