Hello,
I have tried to use my MotorBridgeCape from the BBG and SeeedStudio.com. I have been unsuccessful so far. I read some forum at SeeedStudio.com but I have been unable to understand why something they typed up in 2014 does not currently work (04/2016).
Now, here are some photographs to better assist in the idea behind why I cannot get my Cape to work on the BBG. Oh and I had to use WinSCP to change the file names in the Linux system because when I unzip their .zip file to update firmware on the MotorBridgeCape, I get loads of errors.
Here goes it:

and...

and...

Now...
With these three images, hopefully someone out there can offer assistance.
Seth
P.S. If you need any other info, please contact me.