Date: Tue, 23 Jan 2001 21:18:19 -0500 > From: "Nick Foster" <zaphod@coe.neu.edu> > Subject: RE: TI-H: magnetic reader > > but what signals on the serial port can i use? i know i can use rx, but what > other pins? well in a rs-232 port, well no you can't use a plain serial port. in the ti you can read the port as simple cmos signals, then you can do that.