On Mon, 2014-03-10 at 14:16 -0400, James B. Byrne wrote: > We have a potential requirement to produce a limited number of embossed PVC > cards with magnetic encoding for an internal project. Why not consider either keyfobs or credit-card size cards with embedded RFID tags ? Each RFID has a unique ID. Chinese sellers on Ebay sell them extremely cheaply; there is a 2-3 week postal delivery delay. I have no knowledge of interfacing them to a computer system. I saw my first magnetic strips at an IFIP exhibition around 1970. Regards, Paul. -- Paul. England, EU. Our systems are exclusively Centos. No Micro$oft Windoze here.