ISIS-II on a multibus SBC-80/24A vintage single board computer, with a raspberry pi secondary CPU to provide a disk interface.
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Ciro Mazzoni Baby Loop Ham Radio Antenna, an in-depth review
The Ciro Mazzoni Baby Loop is a Magnetic Loop Antenna that I use with my ham radio on 10 meter through 40 meter. In this post I do an in-depth review and analysis of the antenna.
Read MoreCan an AI program your Vintage Computer for you?
I used the Claude-3.5-Sonnet AI to write a program to play the song “Mary Had a Little Lamb” in fig-forth on a TM990 vintage computer together with an AY-3-8910 programmable sound generator.
Read MoreAdding bubble memory to an iPDS-100 Personal Development System / Cloning the iPDS-120 Multimodule Adapter
I build a clone of the iPDS-120 multimodule adapter so that I could add an iSBX-251 bubble memory board to my iPDS-100.
Read MoreMaster Blaster: An 8008 Supercomputer.
I built an eight CPU 8008 computer that I called my “8008 Supercomputer”. These 8 8008 microprocessors implement Conway’s Game of Life, using a simple shared memory approach.
Read MoreBuilding a DIY Jupiter Ace Computer and Expansion Modules for it
I built a DIY Jupiter Ace FORTH Computer and designed modules for it that include a Speech Synthesizer, Raspberry Pi Supervisor, and a RAM expansion.
Read MoreVintage Speech Synthesizers
A catalog of all my vintage speech synthesizer projects, reviews, and other resources. Lots of stuff on the Votrax SC-01 and the GI SP0256A-AL2.
Read More80186 16-bit CPU runs MS-DOS on the Heathkit H8 Computer
An 80186 CPU board that turns a Heathkit H8 Vintage Computer into a powerful machine that can run some MS-DOS applications.
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