An option to consider if the pic's you have to talk to are in close proximity: Talk to one pic with rs232 in this area and let it talk to the other devices with i2c or similar this would be inexpensive (saves your rs232 level converters) and relatively simple. Peter ----- Original Message ----- From: "Trungie*!" To: Sent: Tuesday, June 22, 2004 11:44 AM Subject: serial port dilemma - design advise requested > I have a PIC device that connects to my PC via serial port for constant > communication. > > I would like to have over 10 PIC devices connected to my PC somehow for > communication. > > However, i would not like to buy some sort of expensive multi serial port > card for it. > > What sorts of things can i do to over come this problem? Potentially i would > like to use over 10 of these PIC devices at once. > > Thanks all! > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. > -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.