diff --git a/.gitignore b/.gitignore
index 0f84a2c..34f14b9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
 /.pioenvs
-/.sconsign.dblite
+/.sconsign.dblite
\ No newline at end of file
diff --git a/.gitmodules b/.gitmodules
index a188876..82642e4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "nanopb"]
 	path = nanopb
 	url = https://code.google.com/p/nanopb/
+[submodule "lib/TM1638"]
+	path = lib/TM1638
+	url = https://github.com/Boukefalos/tm1638-library.git
diff --git a/lib/TM1638 b/lib/TM1638
new file mode 160000
index 0000000..80f687a
--- /dev/null
+++ b/lib/TM1638
@@ -0,0 +1 @@
+Subproject commit 80f687aff6df74f40ffa5de472fbeb93b94f4c27
diff --git a/nanopb b/nanopb
new file mode 160000
index 0000000..ef42265
--- /dev/null
+++ b/nanopb
@@ -0,0 +1 @@
+Subproject commit ef422656a57b3f472b192691a40f48d0d72f2927
diff --git a/platformio.ini b/platformio.ini
index 123a8fc..598567e 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -21,5 +21,5 @@
 platform = atmelavr
 framework = arduino
 board = uno
-; targets = upload
+targets = upload
 upload_port = COM3
\ No newline at end of file
diff --git a/protobuf b/protobuf
new file mode 160000
index 0000000..9861c0d
--- /dev/null
+++ b/protobuf
@@ -0,0 +1 @@
+Subproject commit 9861c0d796f254f5575638e1c520db9d723b4fa3