pragma once

lucianjames · lucianjames · commit 348da8c5998d · 2023-02-06T21:53:20.000Z
diff --git a/arduinoSerial.hpp b/arduinoSerial.hpp
@@ -1,3 +1,5 @@
+#pragma once
+
 #include <stdio.h> 
 #include <unistd.h>  
 #include <fcntl.h>
