I’ve been working on optimizing the Floppy Emu design in preparation for making a custom circuit board, and as always I’m faced with a dizzying number of choices and potential trade-offs. The design calls for a Xilinx XC9572XL CPLD along…
The Backwoods Logger is a programmable graphing altimeter / thermometer, originally developed here at BMOW and now an open hardware project. Interested in the Logger, but don’t want to build it yourself? Assembled Backwoods Logger Mini units, BLsync adapters, and blank Logger…
Here’s a brief video of Macintosh Floppy Emu in action, booting a Mac Plus from the emulated floppy, and then reading the floppy using Disk Copy 4.2. Watch this video on YouTube
The Macintosh Floppy Emu works! No, not the flightless Australian bird, but the SD card 800K floppy drive emulator for classic Macintosh computers. I’ve been tinkering with this project for a while now, and wrote about it here several times before.…
Have you always wondered what would happen to a Backwoods Logger Mini if it were crushed under your own body? No, neither have I, but today I found out anyway. I took out one of the newly-assembled Mini prototypes for…
I don’t like to solder. Nor am I very good at it, despite having soldered loads of boards. The temperamental solder never seems to flow where I want it. Surface-mount soldering in particular used to scare me enough that I didn’t even…
What do small scale open hardware projects do about RF interference compliance testing? I’ve been looking into selling assembled versions of a few of my projects like the Backwoods Logger, to people without the time or skill to build their…
Watch this video on YouTube Exciting news on the Classic Macintosh Floppy Disk Emulator: I successfully transferred two sectors from a virtual 800K floppy disk, and used it to boot a Mac Plus to the “Happy Mac” screen. This proves…
A couple of months ago, I posted a design sketch for an SD-card floppy disk drive emulator for classic Macintosh computers. Recently I finally got motivated enough to start building it. Using one of the oh-so-rare DB-19 connectors that I purchased a…
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