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  1. ASR 33 teletype chad box

    I had a go at doing the ASR 33 chad bucket in CAD so you ought to be able to just print one off now.
    https://www.thingiverse.com/thing:3353088
  2. 6502 Made from 74-Series Logic at 20 MHz

    Very groovy, but I think there's way more reason to implement the 6510. Clearly more units utilized the 6502. But you can still find them new on eBay from time to time.
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  3. 74LS244 Question

    Quote Originally Posted by Chuck(G) View Post
    Assuming that pin 1 stays high, it should be possible to "feed through" pin 8 to pin 12. But the solution ultimately will be figuring out why pin 1 stays high.
    Yeah that is is the goal for sure. I just want to prove out my theory a bit. After the experience with the TVT I don't trust schematics or circuit descriptions 100%. I did try feeding through but didn't see any text appear... although I didnt type anything so maybe it would only change new text being added. I'm ...
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  4. What makes something collectible?

    Hello, folks. First time posting to this blog thing. I've managed to accumulate several dozen computers over the past several years. A thread from a few months ago has had me thinking about exactly what makes a computer collectible. Here are the criteria which I consider:

    1. Age: A given, but what's the cut-off? Personally, I think that, barring a few exceptions, a computer has to be 25 years old or older. Others, naturally, may have a different definition when it comes to their own ...

    Updated October 3rd, 2018 at 07:29 PM by AdamAnt316

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  5. TRS-80 Knowledge Archive

    by , September 1st, 2018 at 05:44 AM (Rainer's addiction to obsolete computers)
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    https://groups.yahoo.com/neo/groups/trs80archive/info <----
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    This Yahoo information group (no discussion group) is especially dedicated to TRS-80 beginners and TRS-80 fans who need more knowledge . Please check - registration is required - It can't be visited without a registration, sorry. All TRS-80 fans are welcome.

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