diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..10c17dc
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "firmware/slider/SliderCommunication"]
+	path = firmware/slider/SliderCommunication
+	url = https://gitlab.tubit.tu-berlin.de/dsp_labor_ws1819/SliderCommunication.git
diff --git a/firmware/slider/SliderCommunication b/firmware/slider/SliderCommunication
new file mode 160000
index 0000000..36d759d
--- /dev/null
+++ b/firmware/slider/SliderCommunication
@@ -0,0 +1 @@
+Subproject commit 36d759d94c6fa9166de35624989858811a73861f