diff --git a/.gitignore b/.gitignore
index ad01036..d68e462 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,5 @@
 *.o
 obj/
 bin/
-STM32F4XX_Lib/
-STM32F7XX_Lib/
 GitVersion.h
 build/
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..78686ee
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "STM32F4XX_Lib"]
+	path = STM32F4XX_Lib
+	url = https://github.com/juribeparada/STM32F4XX_Lib.git
+[submodule "STM32F7XX_Lib"]
+	path = STM32F7XX_Lib
+	url = https://github.com/juribeparada/STM32F7XX_Lib.git
diff --git a/STM32F4XX_Lib b/STM32F4XX_Lib
new file mode 160000
index 0000000..bcd346f
--- /dev/null
+++ b/STM32F4XX_Lib
@@ -0,0 +1 @@
+Subproject commit bcd346f53036ed0eab6643d662a410861655afe2
diff --git a/STM32F7XX_Lib b/STM32F7XX_Lib
new file mode 160000
index 0000000..2d5f423
--- /dev/null
+++ b/STM32F7XX_Lib
@@ -0,0 +1 @@
+Subproject commit 2d5f4236fa5e9828beadbc72473293f25b3ad65e