Hi Dr Imre, I will dig out the schematic and post it on the list tomorrow as I got the original design from the Web anyway. But I can't give you the software as I developed it for my company. But it's pretty easy to toggle the RS232 signals, even from Win32 apps. Regards, Peter Tiang ----- Original Message ----- From: "Dr. Imre Bartfai" To: Sent: Thursday, June 08, 2000 2:03 PM Subject: Re: Reading/writing Smart-cards > Hi, > could you tell me please the schematic and the software for it? I need to > read exactly that serial from smart card which may be proprietary... > Regards, > Imre > >