Backing up an unused program in case of future need

Dependencies:   mbed

Revision:
0:09f915e6f9f6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/io.h	Wed Apr 13 09:21:02 2016 +0000
@@ -0,0 +1,6 @@
+#include "mbed.h"
+
+extern DigitalOut Led1;
+extern DigitalOut Led2;
+extern DigitalOut Led3;
+extern DigitalOut Led4;