diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..5c95164
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "firmware/voak"]
+	path = firmware/voak
+	url = http://git.brisky.space:441/define/graduation-project-voak-firmware.git
diff --git a/firmware/voak b/firmware/voak
new file mode 160000
index 0000000..22520ad
--- /dev/null
+++ b/firmware/voak
@@ -0,0 +1 @@
+Subproject commit 22520ade82f2475aabdedbc39deb09e5c740122b