diff --git a/Bibliographie b/Bibliographie
index 620ffd0..70365a1 100644
--- a/Bibliographie
+++ b/Bibliographie
@@ -1 +1,5 @@
-helloworld
\ No newline at end of file
+
+doc arduino :
+https://www.arduino.cc/en/Tutorial/CharacterAnalysis
+https://www.arduino.cc/reference/en/language/variables/data-types/stringobject/
+
--
libgit2 0.21.2