If you’re using a Floppy Emu disk emulator with an Apple IIc, you’ll want to see this: a switched adapter that can reassign the external 5.25 inch drive as internal, and the internal 5.25 inch drive as external. This little…
I’ve assembled some data on international shipping delivery times, for a sample of real BMOW customers over the past few months. The table shows destination countries, sorted by median delivery time. The listed time includes the shipping itself, customs inspection,…
Version 2 of my PCB-abusing LED blinky is here! It’s the same odd shape as Star Ring version 1, with the same abuse of the metal layer to make shiny stars and planets, and the same low power usage and…
Can a fast microcontroller replace external glue logic, while also continuing to run application code? This is the third in a series of posts considering the question. It’s part of a potential simplification of my Floppy Emu disk emulator hardware,…
Why use a PCB silkscreen when you could showcase the shiny gold metal layer? Why build a rectangular board when you could have strange and wonderful shapes? And why settle for a dull LED flasher when you could have something…
How quickly can a modern microcontroller respond to an external interrupt? Is it possible to achieve consistent sub-microsecond response times, so that external glue logic like muxes could be replaced with software instead? That’s the question I raised at the…
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