diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..a88afe62
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "hg_device"]
+	path = hg_device
+	url = https://github.com/nick908/hg_device.git
+[submodule "hg_ImageProcess"]
+	path = hg_ImageProcess
+	url = https://github.com/nick908/hg_ImageProcess.git