Reads the voltage from Pin18 (out) based on the output from Pin(20) i.e a self checking voltmeter.

Revision:
0:7c659fdad918
diff -r 000000000000 -r 7c659fdad918 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri Feb 04 22:36:45 2011 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/9114680c05da