The Heathkit H89 Computer Part 5: Restoration of My Unit
This video describes the Heathkit H89 computer that I acquired and restored, including the history behind it and the work I did to get it operating again. More details on the H89 and my Heathkit computer book: https://github.com/jefftranter/misc/t...

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The Heathkit H89 Computer Part 6: The H89 CF-RTC-Serial-Parallel Board

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The Heathkit H89 Computer Part 1: History

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So You Want to Build a Heathkit? Unbuilt Too Expensive!

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"The only cassette mechanism being made" myth BUSTED!

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The 5XB now core dumps to the internet!

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What Happened to Soviet Computing? Why Their Computer Industry Disappeared

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$4000 Alienware Laptop Destroyed By Owner Trying To Replace Thermal Paste

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I need help finding information on this mysterious computer
![Memory Devices [Bell System 1959, 4K]](https://i.ytimg.com/vi/Px9ZfLyeAWU/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLD2acU0BF7JpwhLl8CEVP0_N8xWsQ)
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Memory Devices [Bell System 1959, 4K]

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Demonstration of a Sphere microcomputer from 1975

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MOSFET vs Transistor vs Relay: Which Should You Use?

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The Multi-User Homebrew Computer Works!

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