diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..25ab980
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "lib/e-Paper"]
+	path = lib/e-Paper
+	url = git://github.com/waveshare/e-Paper.git
\ No newline at end of file