I just bought a couple used VeriFone Tranz 330's for use in my POS system, but I can't figure out how to reprogram them! [more inside]
posted by bjork24 on Aug 8, 2005 - 0 answers

How can I build a custom P.O.S. system with an old computer and my internet-programming-biased skills? [more inside]
posted by bjork24 on May 2, 2005 - 10 answers