diff --git a/.gitmodules b/.gitmodules
index dd429a8..93a7fe5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "components/esp_modem"]
 	path = components/esp_modem
 	url = https://github.com/userbogd/esp_modem.git
+[submodule "components/ttn-esp32"]
+	path = components/ttn-esp32
+	url = https://github.com/userbogd/ttn-esp32.git
diff --git a/components/ttn-esp32 b/components/ttn-esp32
new file mode 160000
index 0000000..82e49df
--- /dev/null
+++ b/components/ttn-esp32
@@ -0,0 +1 @@
+Subproject commit 82e49df996118288d8df9b701a7e76e09c19c2f4