control the x position of the elbows with buttons

Dependencies:   HIDScope QEI mbed

Revision:
0:6bebd74a5238
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Sep 30 15:14:28 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/4f6c30876dfa
\ No newline at end of file