Vintage Speech Synthesizers
One of my hobbies is collecting, restoring, and using speech synthesizers from the 1980s. In this page I’m going to catalog several of the different speech synthesizers that I have used and summarize...
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Building a DIY Jupiter Ace Computer and Expansion Modules for it
In this video, I follow a Hackaday.io post that describes a DIY Jupiter Ace project, then I design three of my own modules to go with it. Motivation It all started when I acquired a speech synthesizer...
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Master Blaster: An 8008 Supercomputer.
In this video I build a computer that uses eight 8008 microprocessors to play Conway’s Game of Life Motivation I’ve been looking to do a parallel computing project for a while. I’ve toyed around with...
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Adding bubble memory to an iPDS-100 Personal Development System / Clonding...
In this post, I add bubble memory to my iPDS-100! Background I picked up the iPDS-100 from a fellow vintage computer enthusiast — I just couldn’t resist, a dual-CPU 8085 portable computer with...
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Can an AI program your Vintage Computer for you?
I’ve been working on a new project for a TM990 computer, and I built an AY-3-8910 sound generator board for it. My TM990 has a fig-forth that will run on it, so I figured I would write a music player...
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Ciro Mazzoni Baby Loop Ham Radio Antenna, an in-depth review
Did you know I’m also a Ham radio operator? I guess guys who like Vintage Computers also like Ham Radios. In this post I’m going to talk about a new Magnetic Loop antenna made by Ciro Mazzoni,...
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Multibus and the MDS-80 Series II with Homebuilt IO Controller using...
In this video, I turn an 80/24A multibus single board computer into a Series II development system running the ISIS-II operating system Why? I’ve had a fascination with ISIS-II and Multibus ever since...
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Designing a TMS5220 Speech Synthesizer Multimodule
In this post, I design my first TMS5220 speech synthesizer module. Purpose The TMS5220 is one of those chips that has interested me, but I’ve never had a chance to design my own circuit based on one....
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Vintage Industrial Multibus Computer Becomes a Nixie Tube Clock
In this post, I turn the Multibus computer into a Nixie Tube Clock Background I like Nixie Tubes, and I’ve made a fair number of projects — my Nixie Tube Calculator, a Nixie Tube Clock RC2014, even a...
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Restoring a Teleram Portabubble/81 vintage bubble memory computer
In this video, I teardown and restore a Teleram Portabubble: Introduction I spotted this computer on eBay and managed to get lucky enough to win it with no opposing bidders! Magnetic bubble memory has...
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