RADDS v 1.6

I bought this board to replace my Ramps 1.4/Mega 2560 setup. It was delivered as described and works perfectly with Repetier firmware. I have it attached to a DUE clone and is running my Kossel Mini printer. I used DRV8825 drivers with it, which I'm thinking I may upgrade later on.

First one: Y-axis never worked, arrived bent, and after much toiling, I'm convinced that it's defective as x and z axis work fine, but y axis won't no matter how it's defined.Update: Purchased a second one as the return window on the first had closed. The second one worked. Still annoyed that I had to buy two to get one to work, but it is working quite well.