Hello World example for the PCF8574

Dependencies:   mbed PCF8574

Revision:
0:c259a8e53a38
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Jun 03 13:02:05 2010 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/029aa53d7323