Well, I don't think i have that kind of skill anymore because i switched to investment banking instead
But i think reading data from a USB port is simple excercise in any language. Designing an attractive GUI is simple enough in all modern langugaes. From someone like me who is out of practice, i will have to go back to the books but it will be an interesting project and the end product can be pretty awesome.
I am thinking virtual guages with custumizable back grounds/colors . I do have a cheap android tab laying around, let me dig a little bit.