If you want to build something yourself, you might find some ideas at:
http://discolitez.com/circuits.shtml
look for 'deluxe32'. It uses the parallel port to control up to 32 things.

Andrew Howard


"Ryan Kremser" wrote in message
s.com...
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