diff --git a/repositories.txt b/repositories.txt
index 14560379..2aaddddd 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -1,3 +1,4 @@
+https://github.com/BrainCoTech/brain_arduino
 https://github.com/cschorn01/PlugAndPlayForLoRa
 https://github.com/Khuuxuanngoc/TongHopThuVienCon1
 https://github.com/Tobsoft/HTL_onboard