Dr. Scott M. Baker

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Category: Electronics Projects

An 8085 CPU Board for the Heathkit H8 Computer

March 21, 2023
by admin in Electronics Projects

An 8085 CPU Board for the Heathkit H8 Computer, with Schematics, Gerbers, and Design information.

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No Vinculum? No problem a pi-based Vinculum emulator for my Heathkit H8 computer

March 6, 2023
by admin in Electronics Projects

Emulating a Vinculum VDIP1 IC using a raspberry pi, to communicate with a Heathkit H8 Computer.

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Speech Synthesizer for the Heathkit H8 Computer

December 22, 2022
by admin in Electronics Projects

In this video, I try out a newly-received H8 computer and build a speech synthesizer for it using the SP0256A-AL2 IC: My new H8 Computer A fellow member of SEBHC, Glenn, hooked me up with a good deal on an H8 starter system. It was actually exactly what I was looking for — an H8 …

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The Trump Card: Zilog Z8000 Coprocessor card for the IBM PC

December 18, 2022
by admin in Electronics Projects

The Trump Card is a Zilog Z8000 coprocessor/accelerator card for the IBM PC 5150 and clones, detailed by a Steve Ciarcia article in 1984

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Scott’s Zilog Z8000 CP/M-8000 Clover Computer

July 25, 2022
by admin in Electronics Projects

DIY Zilog Z8000 computer that runs CP/M-8000 with 1MB flash, 1MB RAM, and a couple serial ports.

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A new calibrator and a new amplifier for an old Drake

March 15, 2022
by admin in Electronics Projects

Drake R-4C crystal calibrator, sherwood-style amplifier, and other modifications

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Raspberry Pi Based DDS-VFO For Drake 4-Line Twins

March 8, 2022
by admin in Electronics Projects

A DDS-VFO digital synthesizer for Drake 4-Line Twins (T-4XC, R-4B, R-4C, etc). Powered by a raspberry pi. Uses alphanumeric display and rotary encoder.

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Adding a panadapter to a Drake R-4B Ham Radio Receiver

January 11, 2022
by admin in Electronics Projects

In this post, I add a panadapter to my Drake R-4B. Background In late 2021, I decided to become a Ham Radio operator. This involved passing a couple of tests — my technician and my general exam. It took a little bit of study, and soon being an amateur radio operator was within my grasp! …

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Categories

Newer Posts in Electronics Projects

  • An 8085 CPU Board for the Heathkit H8 Computer
  • No Vinculum? No problem a pi-based Vinculum emulator for my Heathkit H8 computer
  • Speech Synthesizer for the Heathkit H8 Computer
  • The Trump Card: Zilog Z8000 Coprocessor card for the IBM PC
  • Scott’s Zilog Z8000 CP/M-8000 Clover Computer
  • A new calibrator and a new amplifier for an old Drake
  • Raspberry Pi Based DDS-VFO For Drake 4-Line Twins

Older Posts in Electronics Projects

  • Heathkit GC-1000 Most Accurate Enigma
  • Tandy Color Computer Resources
  • Sound and Speech boards for the Epson QX-10 CP/M Computer
  • An IDE Adapter for the Epson QX-10 CP/M Computer
  • Battery operated ESP8266 Wifi Button to trigger my sprinkler system
  • A basic and RAM board for HP-9000 series computers
  • Assembling a thin client to serve as an HPDrive
  • Raspberry Pi Floppy Controller Board
  • HP 27201A Speech Output Module, first speech synthesizer designed by a major computer manufacturer!
  • The VTEK Small Talk Plus Epson HX-20, World First Laptop — Talking!

Recent Posts in All Categories

  • An 8085 CPU Board for the Heathkit H8 Computer
  • No Vinculum? No problem a pi-based Vinculum emulator for my Heathkit H8 computer
  • Speech Synthesizer for the Heathkit H8 Computer
  • The Trump Card: Zilog Z8000 Coprocessor card for the IBM PC
  • Scott’s Zilog Z8000 CP/M-8000 Clover Computer
  • A new calibrator and a new amplifier for an old Drake
  • Raspberry Pi Based DDS-VFO For Drake 4-Line Twins
  • Adding a panadapter to a Drake R-4B Ham Radio Receiver
  • Heathkit GC-1000 Most Accurate Enigma
  • Tandy Color Computer Resources
  • Sound and Speech boards for the Epson QX-10 CP/M Computer
  • An IDE Adapter for the Epson QX-10 CP/M Computer
  • Battery operated ESP8266 Wifi Button to trigger my sprinkler system
  • A basic and RAM board for HP-9000 series computers
  • Web Server Monitoring with Prometheus and Grafana

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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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