diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..e43baee
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "device/components/esp-idf-rc522"]
+	path = device/components/esp-idf-rc522
+	url = https://github.com/abobija/esp-idf-rc522.git
diff --git a/device/components/esp-idf-rc522 b/device/components/esp-idf-rc522
new file mode 160000
index 0000000..bc35cc6
--- /dev/null
+++ b/device/components/esp-idf-rc522
@@ -0,0 +1 @@
+Subproject commit bc35cc64b7be03366fe13bd1f5bd493b545053c5