Basic DC motor control test, rpm feedback by simple impulse signal, PID speed control.

Dependencies:   FastPWM mbed FastIO MODSERIAL

Revision:
0:bd186184ef2a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FastPWM.lib	Fri Mar 16 14:41:06 2018 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/Sissors/code/FastPWM/#c0b2265cff9c