I use PayPal to accept payment for all BMOW products. Customers can create a PayPal account and send money from their account balance, or they can use PayPal with a Visa credit card to send payment directly without creating an…
This is what 100 unsaleable Floppy Emus look like. After six weeks of waiting, today I received the new batch of assembled boards, and eagerly opened the box. Excitement gave way to dismay when I discovered that every one of…
If you’re crazy enough to want to build your own 68 Katy, I’d like to help you do it. The PCB version is the easiest way to get started. Compared with the breadboard version, it replaces all of the glue…
The 68 Katy PCB version is working! Mostly! I’ve had the parts and PCB on hand for a while, but only recently got around to assembling and testing the thing. Now instead of a breadboard that runs uClinux slowly, I’ve…
When Saleae’s first USB-based logic analyzer burst onto the electronics scene in 2008, it was praised for its ease of use and low cost. For 2014 the company revamped its product line, replacing all its existing models with four new…
A few weeks ago I designed a PCB for 68 Katy, and yesterday the boards arrived in the mail. While I had originally imagined the PCB version of 68 Katy would include all sorts of new and exciting features, what…
Stuffing new technology into old hardware is fun. How about a bootable, rewritable ROM disk for a Macintosh Plus, using modern flash memory? Dream no more, the reality is here. 🙂 Using a small adapter board, the original ROM chips…
Firmware 0.7A-F14 improves write performance for HD20 emulation. With the old firmware, if you wrote a 1 MB file to the disk, it would do 2000 separate 512 byte writes to the SD card. SD cards really don’t like this!…
Four and a half years ago, I wrote a mini-review of Eagle vs. KiCad, two of the most popular software tools for hobbyists creating custom circuit boards. I concluded that while KiCad had lots of promise, it was too full…
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