simple stm32f407 discovery board mbed demo

Dependencies:   LIS3DSH mbed

explanation here https://youtu.be/S4V5B7kTqII

Revision:
0:4650fee31cf1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LIS3DSH.lib	Wed Jan 17 17:17:29 2018 +0000
@@ -0,0 +1,1 @@
+http://os.mbed.com/users/grantphillips/code/LIS3DSH/#e6a312714223