Also you don't need those 6 470 ohm resistors wired between the arduino output pins and the driver input pins, the driver chip already has built in series resistors and is designed for direct TTL logic level input voltage.
Lefty
Also you don't need those 6 470 ohm resistors wired between the arduino output pins and the driver input pins, the driver chip already has built in series resistors and is designed for direct TTL logic level input voltage.
Lefty