Many laser printers last for years, so businesses often keep older laser printers around even after upgrading other hardware. Many older laser printers use a parallel port interface rather than the ...

I'd probably get a USB to serial (RS-232) adapter and then stick a serial to parallel adapter on the end of it. Long time ago I bought a USB to parallel port adapter cable to use with an old HP laser ...

I'm a computer engineering student who's been using a PC all my life. I've finally decided to make the move and switch over to a mac, I want to get a 15" powerbook, but there's one deciding factor ...

You don’t need fancy ICs and DACs to build a sound card for a PC. As [serdef]’s build over on hackaday.io shows, all you really need is a bunch of resistors. [serdef] built a clone of a sound card ...