I have a PC-based DSO that connects via parallel port that I'd like to get working via USB (preferable) or at least ExpressCard. I picked up a USB-parallel adapter from MicroCenter thinking it would ...

I'm not seeing a lot of these around, and the ones that I did see on Newegg had some pretty poor reviews. I'd rather not buy a PCI expansion card that'll end up being outdated fairly ...

Before the Raspberry Pi came out, one cheap and easy way to get GPIO on a computer with a real operating system was to ...