Year 2021

Short circuit current test on a breadboard

Short Circuit Current Experiments

A couple of weeks ago I shared some thoughts about an automated tester for Yellowstone boards, including how to test for short circuits. One of the questions that grew out of the resulting discussion was whether short circuits could only…

Wombat board on boxes of inventory

ADB-USB Wombat Firmware 0.3.7

Firmware version 0.3.7 is now available for the Wombat ADB-to-USB input converter. This version fixes a compatibility problem with some ADB mice that use non-standard communication timing. You can download the new firmware from the Wombat page. This was an…

stack of disk drives

Yellowstone: Ready for Takeoff

After several days of extensive testing with the latest Yellowstone prototype, and several years of development work on this universal Apple II disk controller concept, I’m here to say that Yellowstone v2.2 is looking good. Looking very good. It’s the…

Floppy Emu Model C in dual 5.25 mode

Floppy Emu Update: Smartport and More

Hello! I’m Alice, the engineering intern here at Big Mess o’ Wires. I’m a math with computer science major at UC San Diego, and throughout the summer I’ve been working on some fixes and improvements for BMOW products. I started…

Daisy Chainer in its acrylic case

New Cases for the Daisy Chainer!

Hello! If you haven’t met me already, I’m Alice, the BMOW engineering intern. (You might hear more about what I’ve been up to soon.) I’m excited to share that after several stages of redesign, cases for the Daisy Chainer are…

Yellowstone front view

Yellowstone 2.2 First Look

Yellowstone version 2.2 is up and running! If you don’t remember what’s changed in v2.2, well… that makes two of us. Luckily we can both go read this August 20 post for a reminder. Hand assembly took about two hours,…

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