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Erik Johnson

I take things apart. I break them. Then I put things that don't belong back inside them.

SFBA, CA
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erik-johnson
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This user joined on 07/24/2014.

Things I've Built

Project Light Bright

These are modular hand-made very flexible Red-Green-Blue LED display panels, 16x16 each. Every piece is hand-wired and hand-soldered together, even the control circuitry.

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No LightScribe, no LabelTag. No hardware hacks or gimmicks. A regular CD-RW drive and a regular compact disk.
Project Owner Contributor

Burning Pictures on a Compact Disc Surface

arduinocelentanoarduinocelentano

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A while back I acquired a rare logic-analyzer, whose lone system-diskette needed backing-up. Now this page is all things OMNI 4
Project Owner Contributor

OMNI 4 - a Kaypro 2x Logic Analyzer

eric-hertzEric Hertz

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Attempting to reverse engineer an HP 4952A into a general purpose z80 computer capable of running CP/M.
Project Owner Contributor

HP 4952A turned general purpose CP/M machine

trevor-johansen-aaseTrevor Johansen Aase

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Looking for Ideas as what to do with this working, tech dino. Hack it, refurb it, or scrap it.
Project Owner Contributor

What to Do with A Kaypro

hunt-techhunt-tech

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Eric Hertz wrote 05/01/2017 at 07:49 • point

Howdy Sir! Thanks for the like/follow. Looks like you've a thing for KayPro's, eh?

  Are you sure? yes | no

Erik Johnson wrote 05/01/2017 at 15:16 • point

I think they're beutiful, I have a II and a 4

  Are you sure? yes | no

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