Hello, Although using the floppy controller board seems logical it introduces a lot of problems/issues because it was intended to do a specific job (probably not what ou want to do)
More control can be gained by using a pic micro controller.
http://www.picaxe.com is a good place to start - a UK company but available in USA and other countries.
Relatively easy to control, fairly low cost and free programming software ( I am nothing to do with them just a user.