2019-12-26 13.54.49

keith

March 21, 2020

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keith

Amateur Electronics Design Engineer and Hacker

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Dataflyer 500 BUSS PAL validation results

Background As some of you may know, I’ve been working for awhile reverse engineering a DataFlyer 500 SCSI HDD controller from the 1990s. While I’ve had a working GAL replacement for the PAL for some time, I...

194 views

Oscilloscopes and Logic Analyzers

Hands-Free Debugging: Reviewing Gisler Precision’s Probe Holders

Disclaimer: While I purchased these myself at full price, Gisler did pay for shipping. This is my own opinion. If you’ve ever tried to hold multiple scope probes steady during debugging, you know how frustrating...

588 views

Commodore Amiga Related

Building a replacement Amiga 500 power supply

Intro If you’re into retro computing, you probably know the Commodore Amiga 500—a beloved classic with surprisingly capable hardware for its time. But like many vintage systems, the original power supply is often...

1,189 views

techtravels.org is a blog that features home-grown open-source hardware and software projects.

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Reverse Eng’ing PALs
HOPE Computer
A501 DRAM Card
Modifying C920
Amiga floppy blog pages
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- Project Goals

2019-12-26 13.54.49

keith

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Dataflyer 500 BUSS PAL validation results

Hands-Free Debugging: Reviewing Gisler Precision’s Probe Holders

Building a replacement Amiga 500 power supply