Over the weekend I played around with a USB to digital I/O chip from Delcom Engineering. The plan was to use it as an interface to a graphic LCD module.
I created a .Net adaptor class for the dll and a small test program in C# to do some initial testing. Source Files.

The chip is […]

I recently stopped using the PC power supply for the electronics projects. No I did not have a fire or anything of the sort. I built a new PC and wanted to keep the covers on it. I switched to the power supply I scrounged from the Super Stack II, described here.

The power supply was […]

I was concerned about damaging my PC (or worse) using the PC power cable described in the previous post. To make things safe I built a current limit using some scrounged transistors. I also added a switch and two LEDs to show the power status. Now its safe to use the +5 from my PC, […]