Updated for the next revision of the motor board

Revision:
4:2b45973bdc67
Parent:
3:2f46953e7c8b
Child:
5:d2dffc88e94d
--- a/MotorShield.cpp	Wed Aug 26 02:43:57 2020 +0000
+++ b/MotorShield.cpp	Wed Aug 26 02:49:34 2020 +0000
@@ -1,5 +1,8 @@
 /* Library to interface with 2.74 Motor Shield
 ** Uses low level HAL libraries to enable high speed PWM 
+** Use as follows:
+** - Create shield object and specify PWM period for the motors
+** - Set the duty cycle and direction for each motor 
 */
 
 #include "mbed.h"