Case mods aren’t usually enough to make Hack-A-Day, but we all drooled a bit when the Dark Blade started back in 2004. Now, it’s finally finished. Everything on the case was custom machined just for ...

Sometimes it starts with a 555 timer and an op-amp. Other times with a small microcontroller. But the timing’s not so great and needs a dedicated timing crystal circuit. And maybe some more memory, ...