diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..1e232fb
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "NPR_14/mbed-os"]
+	path = NPR_14/mbed-os
+	url = https://github.com/ARMmbed/mbed-os.git
diff --git a/NPR_14/mbed-os b/NPR_14/mbed-os
new file mode 160000
index 0000000..5f65721
--- /dev/null
+++ b/NPR_14/mbed-os
@@ -0,0 +1 @@
+Subproject commit 5f6572179d66ce4c09d6517b659ac51133cc980d