Tinkering and Fiddling

Hardware The XViCO board is based around an STM32F103RCT6 , a 64-pin part. Partial pinout: 1 - VBAT 2 - PC13 - Extruder ENable (R23 =...

The XViCO X3 (sometimes also known as the Pioneer?) has appeared on eBay in the US for fairly inexpensive prices. I found a couple of revi...

Preface: I wrote this over the course of a couple of evenings. I started out wanting to show off Falstad's super handy simulator. During...

With the PS/2 port on hold while I do more head-scratching, how about addressing another requirement: sound. I mentioned the motherboard has...

The HP Pop-Out mouse in my HP Internet Advisor is quite a neat bit of engineering. The mouse itself has no sensors, no ball, and there is n...

Sometimes it pays to be a packrat. It also pays when making a Digi-Key order to buy one or two extra of whatever part you're after, ju...

As neat as the weird Pop-Out mouse is, it's not very nice to use. It's not precise, and it's way too small. I'd like to add ...