Floppy Emu programming board

The Programming Board

Behold the Floppy Emu programming board! Normally when you read “programming board” on this web site, you’d think of some circuitry on a PCB, but this time it’s a 3/4 inch thick plank of poplar wood. Ah, that kind of…

ROM-inator solder pads photo

Reflow Soldering Re-re-re-revisited

This was my 6th *@#&% attempt to assemble some ROM-inator II PCBs using reflow soldering, instead of my normal drag-soldering with an iron. I may not be too bright, but at least I’m persistent. All of the previous attempts failed…

Power supply management sketch

Managing Multiple Power Supplies

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…

USB frame timing diagram

RetroUSB Happy Progress

Good news from my RetroUSB project! I finally have a working proof-of-concept, connecting a modern USB keyboard and mouse to a classic 1980s Macintosh SE computer. A microcontroller and small pile of related components perform the necessary conversion between USB…

Retro USB prototype on a messy desk

Retro USB – So Close, So Far

The mess on my desk is growing. In my attempt to use USB keyboards and mice with an old ADB-equipped Macintosh, I’ve got something that’s tantalizingly close to working. On the ADB side, I can simulate an ADB keyboard and…

USB-to-ADB prototype on a breadboard

USB-to-ADB is not Dead

Long-time readers of this blog may remember a USB-to-ADB converter project that never made it past the concept stage. I wrote a series of posts about it last year, and made some decent progress with ADB emulation and USB host…

Snow White case for Floppy Emu

Snow White Case for Floppy Emu

The Snow White case for Floppy Emu is back in stock. This is my personal favorite: a matte white acrylic with a slightly textured surface, following Apple’s vintage Snow White design style, and with the looks of a miniature external…

Young Steve Jobs at the West Coast Computer Faire

Floppy Emu WCC Faire Anniversary Sale – Save 10%

Save 10% off Floppy Emu disk emulator hardware and accessories this week, in celebration of the 40th anniversary of the original West Coast Computer Faire! Use promo code FAIRE10 at the BMOW store to claim the discount, now through April…

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