diff --git a/.gitmodules b/.gitmodules
index 227274c..04618dd 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "modules/melatonin_inspector"]
 	path = modules/melatonin_inspector
 	url = git@github.com:sudara/melatonin_inspector.git
+[submodule "modules/MTS-ESP"]
+	path = modules/MTS-ESP
+	url = git@github.com:ODDSound/MTS-ESP.git
diff --git a/modules/MTS-ESP b/modules/MTS-ESP
new file mode 160000
index 0000000..2d7c013
--- /dev/null
+++ b/modules/MTS-ESP
@@ -0,0 +1 @@
+Subproject commit 2d7c013ebf4a076c35811e62293e8f819d053a91