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  • Hutch's Avatar
    January 30th, 2020, 05:56 PM
    @Eudimorphodon, Yeah, according to John Feagans, the prototype was based on the IBM Selectric typewriter, but in the end it was cheaper to use their...
    6 replies | 273 view(s)
  • Hutch's Avatar
    January 30th, 2020, 01:34 PM
    Hutch replied to a thread PET 2001 Sound in Commodore
    To be fair, the bit-bang speed is limited to 300 baud, so ...
    54 replies | 3544 view(s)
  • Hutch's Avatar
    January 30th, 2020, 01:30 PM
    This might be of interest here. I was playing around with a program called PETTerm and using a MAX232 TTL<>RS232 level converter to get 300 baud...
    79 replies | 8804 view(s)
  • Hutch's Avatar
    January 30th, 2020, 12:59 PM
    Hutch replied to a thread PET 2001 Sound in Commodore
    The PET Can bit-bang a serial connection. It's just that Commodore never included bit-bang routines in ROM so there's no standard for serial comms....
    54 replies | 3544 view(s)
  • Hutch's Avatar
    January 29th, 2020, 10:52 PM
    This has been around Facebook and Twitter for a few weeks but I don't think it's been shared here yet. I thought it might be of interest to some...
    6 replies | 273 view(s)
  • Hutch's Avatar
    January 29th, 2020, 10:12 PM
    Hutch replied to a thread PET 2001 Sound in Commodore
    FWIW, I just built one of these myself. I just used a 1K ohm resistor to a Piezo speaker. I added 3.5mm audio jack to optionally connect to a...
    54 replies | 3544 view(s)
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About Hutch

Basic Information

About Hutch
Biography:
https://myoldcomputers.tumblr.com/
Location:
California
Occupation:
Network Engineer

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Last Activity
February 16th, 2020 06:42 PM
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July 1st, 2018
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