diff --git a/.gitignore b/.gitignore
index ac00791..c092581 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,3 @@ bin/
 
 GitVersion\.h
 
-STM32F10X_Lib/
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..f867702
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "STM32F10X_Lib"]
+	path = STM32F10X_Lib
+	url = https://github.com/juribeparada/STM32F10X_Lib
diff --git a/STM32F10X_Lib b/STM32F10X_Lib
new file mode 160000
index 0000000..f57ebc3
--- /dev/null
+++ b/STM32F10X_Lib
@@ -0,0 +1 @@
+Subproject commit f57ebc35af760675bd6d15e6667e6e66508f852b