Additional Serial Example

Revision:
0:8d318218bac1
Child:
1:4cf190502c9e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Thu Jan 19 14:23:37 2017 -0600
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#34c1facf42a174f47fdf9002cd8c6bf10ac41744