using hy-div168n for table

[Jacala]

Hello!

I'm quite happy with my machine and want to make the table adjustable , all the hardware is working but I can not get the stepper driver to work.

I've got a simple driver: HY-DIV168N see http://www.ebay.com/itm/Single-Axis-TB6 ... 0745897595

when I connect it it works but also gives erratic behavior. making very small steps on its own etc.

I've connected it like described on the ebay page.


Is it just a cheap peace of crap or did I do something wrong?