diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3c79e51
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+unversioned/
\ No newline at end of file
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..270eec3
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,9 @@
+[submodule "hoverboard-firmware-hack-serial-esc"]
+	path = hoverboard-firmware-hack-serial-esc
+	url = git@repos.ctdo.de:interfisch/hoverboard-firmware-hack-serial-esc.git
+[submodule "serialVisualization"]
+	path = serialVisualization
+	url = git@repos.ctdo.de:interfisch/serialVisualization.git
+[submodule "nippleremote"]
+	path = nippleremote
+	url = git@repos.ctdo.de:interfisch/nippleremote.git
diff --git a/hoverboard-firmware-hack-serial-esc b/hoverboard-firmware-hack-serial-esc
new file mode 160000
index 0000000..1127486
--- /dev/null
+++ b/hoverboard-firmware-hack-serial-esc
@@ -0,0 +1 @@
+Subproject commit 11274864ab01993d8eb7dd5da72f3c5d7d2a71ba
diff --git a/nippleremote b/nippleremote
new file mode 160000
index 0000000..60f69b9
--- /dev/null
+++ b/nippleremote
@@ -0,0 +1 @@
+Subproject commit 60f69b9099ee1bb5a9545dcac52dfcc25532dad4
diff --git a/serialVisualization b/serialVisualization
new file mode 160000
index 0000000..68c6cf8
--- /dev/null
+++ b/serialVisualization
@@ -0,0 +1 @@
+Subproject commit 68c6cf81d6c4e1625e76aec9414cdfbd041c94ed