This one(coral cache) is a bit of a head slapper, but I thought it might come in handy. Laptop (or usb) serial ports are pretty notorious for being stingy on power ...

[ashish] sent in this one via the tips line. (Ed Note: link rot. Try this one.) It’s a project to create a laser based RS-232 link. It’s based on cheap laser pointers, a MAX232 and a photo-resistor to ...

I have painted (and written about painting!) countless walls in countless colors over my years as both a renter and homeowner. And when I say countless, I really mean countless: A typical room in my ...