diff --git a/.gitmodules b/.gitmodules
index 92a46cc..ed59f0d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 	path = stm-firmware/base64-lib
 	url = https://git.shimatta.de/mhu/base64-lib.git
 	branch = master
+[submodule "stm-firmware/linklist-lib"]
+	path = stm-firmware/linklist-lib
+	url = https://git.shimatta.de/mhu/linklist-lib.git
diff --git a/stm-firmware/linklist-lib b/stm-firmware/linklist-lib
new file mode 160000
index 0000000..77a6a86
--- /dev/null
+++ b/stm-firmware/linklist-lib
@@ -0,0 +1 @@
+Subproject commit 77a6a862348f9dfb4b28576857fb3cda0705ec40