Category Bit Bucket

Miscellaneous distractions and diversions.

Electric Bow Tie worn at the neck

Electric Bow Tie 3000 Reloaded

Ah, the Electric Bow Tie 3000: BMOW’s least-loved product. The bow tie was retired several years ago, but it’s still possible to make your own annoying neckwear device! I’ve belatedly uploaded the schematic, PCB files, parts list, and instructions. For…

ImageWriter II Printer Resurrected

I’ve had an ImageWriter II printer gathering dust in the back of my closet for at least a decade. Originally purchased at the Silicon Valley Electronics Flea Market for 25 cents, it was an obsolete anachronism even then, and the…

TXB0104 diagram

A Tale of Three Bidirectional Level Shifters

Level shifters, voltage translators: whatever you call them, these devices are very handy when interfacing 5V and 3.3V logic for devices that aren’t 5V-tolerant. The 74LVC244 has long been my go-to solution for unidirectional 5V to 3.3V level shifting, and…

Gryphel logo

Searching for Paul C. Pratt

Paul C. Pratt is the man behind the Gryphel Project, an ambitious software and documentation effort to preserve and extend classic 68000-based Macintosh computers. He’s the author of the wildly-popular Mini vMac emulator, as well as other great tools like…

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