Hello Chris...Thanks for the reply. I was thinking that the commands can be sent out to a buffer and then shuffle them out in a FIFO. I have done a lo...

I would think that the Arduino Due would be a good solution to the processor speed issue. The 3.3 V can possible be addressed with a 3.3V/5V logic gat...

In the mean time I could use Clearpath servos...not exactly positional feedback but it does offer a stopgap solution to lost steps and position hold. ...