This Delphi component let you interface with smartcards !
You can test the power and easy uf use with a sw emulator
or buy the smartcard reader kit (Hw&Sw) for only 39$.
Include also a library for a very easy data encryption
and example with source.
You can use it like an hardware key, store digital sign,
Lock/unlock a workstation, access authorization system,
time worked, etc.
External version linked to a PC parallel or serial port
can do better work than the old, erasable and clonable
magnetic cards !