Dr. Scott M. Baker

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Category: Electronics Projects

Restoring a Teleram Portabubble/81 vintage bubble memory computer

March 29, 2025
by admin in Electronics Projects

The Teleram Portabubble is a vintage computer that includes magnetic bubble memory. It was designed as a wordprocessor for reporters and authors to use on the road and includes an acoustical modem.

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Vintage Industrial Multibus Computer Becomes a Nixie Tube Clock

March 18, 2025
by admin in Electronics Projects

Turn a vintage multibus computer into a Nixie Tube clock. Runs ISIS-II operating system. Has GPS and RTC timekeeping as well as speech synthsizers to speak the time.

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Designing a TMS5220 Speech Synthesizer Multimodule

March 11, 2025
by admin in Electronics Projects

Scott designs a TMS5220 speech synthesizer for his multibus computer. Lots of background on interfacing and programming the TMS5220 and the TMS65100 speech ROM.

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Multibus and the MDS-80 Series II with Homebuilt IO Controller using Raspberry Pi.

December 25, 2024
by admin in Electronics Projects

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

September 29, 2024
by admin in Electronics Projects

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.

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Can an AI program your Vintage Computer for you?

August 18, 2024
by admin in Electronics Projects

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.

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Adding bubble memory to an iPDS-100 Personal Development System / Cloning the iPDS-120 Multimodule Adapter

June 3, 2024
by admin in Electronics Projects

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.

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Master Blaster: An 8008 Supercomputer.

February 19, 2024
by admin in Electronics Projects

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.

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Categories

Newer Posts in Electronics Projects

  • Restoring a Teleram Portabubble/81 vintage bubble memory computer
  • Vintage Industrial Multibus Computer Becomes a Nixie Tube Clock
  • Designing a TMS5220 Speech Synthesizer Multimodule
  • Multibus and the MDS-80 Series II with Homebuilt IO Controller using Raspberry Pi.
  • Ciro Mazzoni Baby Loop Ham Radio Antenna, an in-depth review
  • Can an AI program your Vintage Computer for you?
  • Adding bubble memory to an iPDS-100 Personal Development System / Cloning the iPDS-120 Multimodule Adapter

Older Posts in Electronics Projects

  • Building a DIY Jupiter Ace Computer and Expansion Modules for it
  • Vintage Speech Synthesizers
  • 80186 16-bit CPU runs MS-DOS on the Heathkit H8 Computer
  • Olivetti M20 Upgrades, Tips, Tricks, and New Boards
  • The Mini-08 8008 Single Board Computer
  • 8008 CPU Board for the Heathkit H8 Computer.
  • FANUC PPR (Portable Punch Reader): Paper Tape on RC2014 and Heathkit H8
  • Single Board Bubble Basic Computer, and an RC2014 Bubble Board
  • Controlling an AKI Teletypesetter Keyboard with a Raspberry Pi
  • Heathkit H8 Bubble Memory Board

Recent Posts in All Categories

  • Restoring a Teleram Portabubble/81 vintage bubble memory computer
  • Vintage Industrial Multibus Computer Becomes a Nixie Tube Clock
  • Designing a TMS5220 Speech Synthesizer Multimodule
  • Multibus and the MDS-80 Series II with Homebuilt IO Controller using Raspberry Pi.
  • Ciro Mazzoni Baby Loop Ham Radio Antenna, an in-depth review
  • Can an AI program your Vintage Computer for you?
  • Adding bubble memory to an iPDS-100 Personal Development System / Cloning the iPDS-120 Multimodule Adapter
  • Master Blaster: An 8008 Supercomputer.
  • Building a DIY Jupiter Ace Computer and Expansion Modules for it
  • Vintage Speech Synthesizers
  • 80186 16-bit CPU runs MS-DOS on the Heathkit H8 Computer
  • Olivetti M20 Upgrades, Tips, Tricks, and New Boards
  • The Mini-08 8008 Single Board Computer
  • 8008 CPU Board for the Heathkit H8 Computer.
  • FANUC PPR (Portable Punch Reader): Paper Tape on RC2014 and Heathkit H8

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All content on this website is copyright Scott M. Baker and may not be used or reprinted without explicit permission.

Violators will be eaten by a grue.

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