Category Bit Bucket

I recently got some very surprising junk mail that contained a full-fledged embedded computer. This was a first for me, but I wonder if there will be more to come? Of course I couldn’t resist the temptation to tear it…

I’ve been investigating ways to handle multiple supplies and consumers of +5V 500mA power in a single project, and it’s surprisingly complicated. My circuit may have up to three simultaneous external connections: a device needing +5V power at “A”, an…

Watch this video on YouTube The human body is electrically conductive. A piece of fruit will also conduct electricity, as will basically anything else that’s organic. We can leverage this fact to create a fun little afternoon project: a digital…

This funny-looking device is a DC barrel plug to Apple IIc DIN-7 adapter, inspired by last week’s musings on constructing a battery-powered IIc. The adapter makes it possible to power an Apple IIc with a standard DC supply between 9V…

I’ve got the crazy idea in my head to run an Apple IIc system completely from battery power, so I could take it on the road. I know it’s possible – there’s already one person selling a pre-made kit. That’s…

Today’s electronics hobbyists are blessed with many options for custom PCB manufacturing, like Seeed, Elecrow, and OSH Park. For around $1 to $2 per board, depending on size and quantity, these vendors will turn your EAGLE or KiCad or other…