Hi Lalakis Some "smartcard" are I2C devices, e.g. Xicor ISO7812 compatible secure memory card. You can build a parallel port to I2C interface to talk to these card. Regards, Peter Tiang ----- Original Message ----- From: Lalakis Parafyadas To: PICLIST@MITVMA.MIT.EDU Sent: Wednesday, December 15, 1999 9:47 PM Subject: [OT] Smart cards Hi everybody! I want to make a smart card reader-writer. Where can I find some info to begin with? Can I use a PIC to make it? Thanks in advance, Argiris