[GreenKeys] Do you know this person?
Richard Knoppow
1oldlens1 at ix.netcom.com
Sat Aug 7 16:15:58 EDT 2021
I wonder if the subject field of this thread should not be
changed to something more appropriate.
On 8/7/2021 1:07 PM, ad7i wrote:
> I've also been working on a USB to Baudot TTY converter (it has
> other capabilities as well). Most of that has been ad hoc
> (meaning hand wired), but I've recently started doing PC board
> layouts using KiCad (pronounced Key Cad) and having boards made
> in China. The PC boards are surprisingly low cost and of good
> quality. I'm just finishing up a project I call DB-Uno (like
> an Arduino Uno but using an AVR128DB32 MCU). Once that's out
> of the way I plan to do a layout of the USB TTY converter. The
> converter's primary inputs are USB ASCII serial and AFSK audio
> (from ITTY) and the primary output is an electronic selector
> magnet driver for TTY loops. The highest voltage used is 36
> volts (but I'm also experimenting with 48 volts, but I don't
> think I'll need to go above 36 at this point). The only
> sticking point is the world-wide semiconductor shortage. Parts
> (especially micro controllers) are getting very hard to obtain
> through distribution.
>
> Paul, ad7i
>
>
>
> On Sat, Aug 7, 2021 at 3:13 PM William Wuttke <wcwuttke at att.net
> <mailto:wcwuttke at att.net>> wrote:
>
> I have a couple of projects that do the Baudot-ASCII & baud
> rate conversion. One is an Arduino project
> that I built to make my M33 (ASCII, 110baud) communicate
> with Baudot devices (45,50,75 baud). It would
> work fine making a M15,19,28, etc. talk with a computer.
> The other is a PC application that connects to
> COM ports which can be either 5 bit Baudot or 8 bit ASCII,
> primarily used to connect my M28 to a Baudot
> TU, but any combination can be used, as well as
> communicating to/from the PC.
>
> In the back of my mind I have had an idea to create some
> sort of application that would allow the old
> teletypes to communicate over the internet, somewhat akin
> to iTelex, but not requiring a specialized
> boardset. A PC or Arduino or Raspberry PI would do the job
> just fine. My PC application would not
> take a whole lot more work to make that happen.
>
> If I knew someone else would use this application, maybe I
> could get inspired to make it happen.
>
> Anyone?
>
> Bill
> KE3BK
> On Friday, August 6, 2021, 01:15:41 PM PDT, Chuck Robertson
> <hootsk at gmail.com <mailto:hootsk at gmail.com>> wrote:
>
>
> Steve,
>
> I try to only tackle one problem at a time to avoid getting
> overwhelmed, and right now that's still locating a couple
> of working teletype machines or machines that could be made
> to work — one for Newton, Mass. and one for Seattle.
>
> But last night I was watching the channel of the YouTuber
> called CuriousMarc and wondered if he's published
> schematics or instructions anywhere. I'm sure you've seen
> his videos. You can see the hardware he's used to connect
> his teletypes to a Linux PC. I'm not an engineer, but I'm
> capable of following plans, wiring and soldering, and
> persistent. Were I able to build one, I could build three.
>
> This is one of the many times when I wish my Dad were still
> alive. He was a brilliant MIT-trained electrical engineer
> and excelled at crushing these sorts of hacks. He died of
> cancer in 2018.
>
> Chuck
>
> On Fri, Aug 6, 2021 at 10:33 AM steve bennett
> <raleigh_ranger at yahoo.com
> <mailto:raleigh_ranger at yahoo.com>> wrote:
>
> Chuck,
>
> Have you had any luck finding plans for an interface
> between the Mac and the TTY?
> I might want to take that route at some point so I am
> curious what you come up with.
> Someone on here posted a wiring diagram showing how to
> use a polar relay to connect to
> RS232 but I don't know how you would deal with the baud
> rate and ascii to baudot conversion.
>
> -Steve
>
> On Thursday, August 5, 2021, 01:11:48 PM EDT, Chuck
> Robertson <hootsk at gmail.com <mailto:hootsk at gmail.com>>
> wrote:
>
>
> Steve, an expert behind a screwdriver sounds great to
> me. The further along a machine is toward tuned,
> probably the better chance I have of success (and
> staying on this list!).
>
> Also thanks to James and everyone else who's offered
> assistance. No reply yet from the Craigslist ad for the
> UPI RO in Metuchen, NJ.
>
> Before, I mentioned my impetus is that I have a kind of
> writing partnership with another writer in Seattle. (I
> work for a TV network, but he's an actual professional
> writer, for places like Disney and Pixar.) We work on
> episodic scripts together either in cloud apps or
> sending them back and forth by email (so far
> unsuccessfully, but in scriptworld things can change
> quickly). This has been complicated recently because
> he's discovered his grandfather's typewriter, loves it,
> and believes its more cumbersome nature slows him down,
> to his work's benefit. He believes the moments of extra
> time he spends waiting or pressing keys, he also spends
> thinking, and it's actually improved his writing. (It
> might be true.) He's been encouraging me to try this,
> but I'm not ready to give up screens and software, and
> when I told him instead of getting a typewriter, I was
> going to try to set up a teletype to type out my
> scripts, he was like, what's a teletype?
>
> Originally I thought I'd output from the Mac laptop to
> the teletype and mail him the pages or roll. But then I
> thought, what if we each had a teletype, and I
> transmitted the script over the net to it instead? I
> could call him and tell him to turn the machine on, and
> it'd type the script out at his house instead. He could
> watch it come through a character at a time if he
> liked. And when he finished one, vice versa.
>
> Chuck Robertson
> Newton, Mass.
>
> On Wed, Aug 4, 2021 at 6:07 PM steve bennett
> <raleigh_ranger at yahoo.com
> <mailto:raleigh_ranger at yahoo.com>> wrote:
>
> Chuck,
>
> I am holding on to your contact information
> because I have an Associated Press M15 RO
> I might let go after I get it working.
> I have since acquired a M19 so I do not need both.
> I will keep you in mind. I paid $50 for it and
> bought parts. I would rather sell it as a working unit
> rather than a basket case. Stay tuned.
>
> -Steve AD8CI
>
> On Wednesday, August 4, 2021, 12:37:56 PM EDT,
> Chuck Robertson <hootsk at gmail.com
> <mailto:hootsk at gmail.com>> wrote:
>
>
> Hello GreenKeys,
>
> Is the person who posted this UPI machine on
> Craigslist on this list? Or does anyone on this
> list know this person?
>
> https://cnj.craigslist.org/zip/d/metuchen-vintage-upi-teletype-machine/7349823306.html
> <https://cnj.craigslist.org/zip/d/metuchen-vintage-upi-teletype-machine/7349823306.html>
>
> I've sent a couple of emails, but so far, crickets.
> If you're them, please call me, or if you do,
> please let me know or just give them my number. I
> haven't found a teletype yet and I'm really
> champing at the bit to get started.
>
> Thanks,
> Chuck Robertson
> Newton, Mass.
> (206) 579-0321
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>
> >>> Jordan Spencer Cunningham's GreenKeys Search Tool:
> https://teletype.net/gksearch <https://teletype.net/gksearch>
> >>> 2002-to-present greenkeys archive:
> http://mailman.qth.net/pipermail/greenkeys/
> <http://mailman.qth.net/pipermail/greenkeys/>
> >>> 1998-to-2001 greenkeys archive:
> http://mailman.qth.net/archive/greenkeys/greenkeys.html
> <http://mailman.qth.net/archive/greenkeys/greenkeys.html>
> >>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool:
> http://comcents.com/tty/greenkeyssearch.html
> <http://comcents.com/tty/greenkeyssearch.html>
>
> This list hosted by: http://www.qsl.net <http://www.qsl.net>
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> <mailto:GreenKeys at mailman.qth.net>
>
> >>> Jordan Spencer Cunningham's GreenKeys Search Tool:
> https://teletype.net/gksearch <https://teletype.net/gksearch>
> >>> 2002-to-present greenkeys archive:
> http://mailman.qth.net/pipermail/greenkeys/
> <http://mailman.qth.net/pipermail/greenkeys/>
> >>> 1998-to-2001 greenkeys archive:
> http://mailman.qth.net/archive/greenkeys/greenkeys.html
> <http://mailman.qth.net/archive/greenkeys/greenkeys.html>
> >>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool:
> http://comcents.com/tty/greenkeyssearch.html
> <http://comcents.com/tty/greenkeyssearch.html>
>
> This list hosted by: http://www.qsl.net <http://www.qsl.net>
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>
>
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>>>> Jordan Spencer Cunningham's GreenKeys Search Tool: https://teletype.net/gksearch
>>>> 2002-to-present greenkeys archive: http://mailman.qth.net/pipermail/greenkeys/
>>>> 1998-to-2001 greenkeys archive: http://mailman.qth.net/archive/greenkeys/greenkeys.html
>>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool: http://comcents.com/tty/greenkeyssearch.html
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to 1oldlens1 at ix.netcom.com
--
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL
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