diff --git a/.gitmodules b/.gitmodules
index dbfc26f..3168e0f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -28,3 +28,6 @@
 [submodule "src/Libraries/xmlrpcpp"]
 	path = src/Libraries/xmlrpcpp
 	url = https://git.pnkr.asia/DuongTD/xmlrpcpp.git
+[submodule "src/Libraries/laser_filter"]
+	path = src/Libraries/laser_filter
+	url = https://git.pnkr.asia/DuongTD/laser_filter.git
diff --git a/src/Libraries/laser_filter b/src/Libraries/laser_filter
new file mode 160000
index 0000000..db25b6b
--- /dev/null
+++ b/src/Libraries/laser_filter
@@ -0,0 +1 @@
+Subproject commit db25b6bb2845d7389d86824b5221ade1c6538bb3