Quote Originally Posted by johngoodrich View Post
actually just came in from doing it. the driver obviously has problems. they are 452 drivers, all of them. any ideas what could be wrong with it.
If the voltage going to the direction is only 2.99V, it is unlikely a problemn with the driver but the signal is too low for the opto to change.
What are you using to power the 5V on the breakout board?
If you are using USB, dont and get yourself a 5V power supply.