At 02:00 PM 6/22/2004 -0400, John J. McDonough wrote: >----- Original Message ----- >From: "Harold Hallikainen" >Subject: Re: [PIC:] serial port dilemma - design advise requested > >> You could try "open collector RS232". Have a diode with the cathode > >That was my knee-jerk reaction, but then I thought a minute and figured out that I'm an old fogey. Probably should be open drain in this century. (But hey, open collector still works, and it works well). Open Plate? :) -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.