Interfacing to the
IBM-PC Parallel Printer Port
http://www.doc.ic.ac.uk/~ih/doc/par/

and

my Qbasic code examples and info page
http://www.chiptoxic.uklinux.net/?5:1:16
it has a file called printer.bas that shows the status of pins etc
http://www.chiptoxic.uklinux.net/sit...ic/printer.bas


Ryan Kremser wrote:

Hello I am new to computer interfaces and i need something which i can
drive
at least 29 devices via relay. No inputs with this though. Nothing fancy
just either on or off. What hardware would i need to do this? what kind
of
price range are we talking? Thanks in advance