HCSR04 Ultrasonic sensor exposed over BLE

Dependencies:   BLE_API HCSR04 mbed nRF51822

Revision:
0:470a1164da56
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HCSR04.lib	Mon May 09 10:26:40 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/prabhuvd/code/HCSR04/#71da0dbf4400