Re: Raspberry Pi goes to war

From	john larkin <jl@glen--canyon.com>
Newsgroups	sci.electronics.design
Subject	Re: Raspberry Pi goes to war
Date	2026-02-03 18:52 -0800
Organization	A noiseless patient Spider
Message-ID	<bsc5ok1dv3sffikk0ir3giriblrlqgmodb@4ax.com> (permalink)
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On Tue, 3 Feb 2026 11:18:42 -0800, wmartin <wwm@wwmartin.net> wrote:

>On 2/3/26 09:47, Phil Hobbs wrote:
>> john larkin <jl@glen--canyon.com> wrote:
>>> On Tue, 3 Feb 2026 16:23:54 -0000 (UTC), Phil Hobbs
>>> <pcdhSpamMeSenseless@electrooptical.net> wrote:
>>>
>>>> john larkin <jl@glen--canyon.com> wrote:
>>>>> On Mon, 2 Feb 2026 18:29:58 -0000 (UTC), Phil Hobbs
>>>>> <pcdhSpamMeSenseless@electrooptical.net> wrote:
>>>>>
>>>>>> john larkin <jl@glen--canyon.com> wrote:
>>>>>>> On Sun, 01 Feb 2026 11:58:27 GMT, Jan Panteltje <alien@comet.invalid>
>>>>>>> wrote:
>>>>>>>
>>>>>>>>> john larkin <jl@glen--canyon.com>wrote:
>>>>>>>>>> On Thu, 29 Jan 2026 14:09:28 GMT, Jan Panteltje <alien@comet.invalid>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>>> john larkin <jl@glen--canyon.com>wrote:
>>>>>>>>>>>
>>>>>>>>>>> Approximately 2% of all Russian men aged 20-50 may have been killed or
>>>>>>>>>>> seriously wounded by Ukrainians, many with smart drones.
>>>>>>>>>>>
>>>>>>>>>>> The r/u casuality ratio is over 2:1 and likely increasing.
>>>>>>>>>>>
>>>>>>>>>>> https://en.wikipedia.org/wiki/Russian_emigration_during_the_Russo-Ukrainian_war_
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> Why dio so many people sympathize with genocidal thugs?
>>>>>>>>>>
>>>>>>>>>> tramp is, among many more bad and evil things, a genocidel thug who
>>>>>>>>>> killed thousands in Gaza by supplying arms to the religious
>>>>>>>>>> fanatic YouWitz sect
>>>>>>>>>> Killed people in Venezuela
>>>>>>>>>> killed people in boats
>>>>>>>>>> Killed US people in Minnesota
>>>>>>>>>> Probably had Epstein killed so he would not talk about his sex
>>>>>>>>>>
>>>>>>>>>> He wants to do the same in Iran now, wants to kill Cubans, invade
>>>>>>>>>> Cuba, steals oil just like double you you bushman did in
>>>>>>>>>> Iraq
>>>>>>>>>> What a bunch of crap 'merrica has become
>>>>>>>>>> World may unload its radioactive waste on those divided states any
>>>>>>>>>> time now, the doomsday clock is making noises.
>>>>>>>>>> tramp ape has no respect for anything but maybe a gun on - or a bullet
>>>>>>>>>> through the empty bubble mounted above his shoulders.
>>>>>>>>>>
>>>>>>>>>> ego maniac nutcase he is.
>>>>>>>>>>
>>>>>>>>>> And the more stupid the 'leader' the more the simple minded follow
>>>>>>>>>> him: Youws and 'Adam did it with Eve' reciters.
>>>>>>>>>
>>>>>>>>> The best thing Cuba could do for its people is start a war with the US
>>>>>>>>> and lose. Of course,  the communist party is dumb, but not that dumb.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> John Larkin
>>>>>>>>> Highland Tech Glen Canyon Design Center
>>>>>>>>> Lunatic Fringe Electronics
>>>>>>>>
>>>>>>>> YOU DO NOT HAVE TO CONFIRM YOU ARE BRAINDEAD
>>>>>>>
>>>>>>> Has your keyboard died? Caps lock stuck? Or still using a Teletype?
>>>>>>>
>>>>>>
>>>>>>>
>>>>>>
>>>>>> I mean, it worked for Grand Fenwick.
>>>>>>
>>>>>> Cheers
>>>>>>
>>>>>> Phil Hobbs
>>>>>
>>>>> You youngsters can't remember the joy of getting a high speed paper
>>>>> tape reader.
>>>>>
>>>>>
>>>>> John Larkin
>>>>> Highland Tech Glen Canyon Design Center
>>>>> Lunatic Fringe Electronics
>>>>>
>>>>
>>>> Well, I did use one, writing a program for an original Data General Nova
>>>> for an undergrad physics lab, circa 1978
>>>
>>> What language?
>>>
>> Fortran, iirc. To save machine time, Wolf Breuer The Lab Guy set it up to
>> run split core, so that we could run two or maybe four people’s programs at
>> once, and I expect that having multiple copies of the Basic interpreter
>> probably wouldn’t fit in RAM.
>>>
>>> None of the minicomputer companies survived.
>> 
>> Well, DEC became part of Compaq, and then the Fiorina HP, which if you call
>> that survival.
>> 
>Uh-oh, now you've done it. Mentioned the "unmentionable"! Well, I can't 
>complain too loudly, I survived the era.
>>>
>>> I had a PDP-8 (4K words of 12-bit core memory) that ran Focal, an
>>> intrepretive language. I used it to simulate the throttle control and
>>> propulsion system, including hull dynamics, of the 32,000 horsepower
>>> LASH ships. I plotted the step responses on the Teletype. We showed it
>>> to the owners and got the job.
>>>
>>> Other engineers said that I couldn't use simple rectangular
>>> integration, that I had to use some runga-kuta math or something. But
>>> the elements of the control system were mostly unilateral, and simple
>>> integration will even work in a circuit if the steps are small.
>> 
>> SPICE uses trapezoidal, which is the same order as rectangular.
>> 
>> But the advice wasn’t altogether stupid. The usual fourth-order Runge-Kutta
>> algorithm has faster convergence on smooth solutions, is pretty simple to
>> code, and is self-starting like rectangular.
>> 
>> Its main warts are that it’s slower than predictor-corrector or
>> Bulirsch-Stoer, and that it supplies no internal error estimate.  Sixth and
>> higher orders do supply that, but I’ve never coded them.
>> 
>> Cheers
>> 
>> Phil Hobbs
>> 

Two books to read:

The HP Way by David Packard

The Journey by Carly Fiorina


John Larkin
Highland Tech Glen Canyon Design Center
Lunatic Fringe Electronics

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Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-27 10:43 -0800
  Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-27 15:22 -0500
    Re: Raspberry Pi goes to war wmartin <wwm@wwmartin.net> - 2026-01-27 12:27 -0800
      Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-27 13:46 -0800
        Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-27 17:19 -0500
          Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-27 14:45 -0800
        Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-29 02:54 +1100
          Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-28 08:13 -0800
            Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-28 14:21 -0500
              Re: Raspberry Pi goes to war Joe Gwinn <joegwinn@comcast.net> - 2026-01-28 16:02 -0500
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-29 13:41 +1100
                Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-28 22:59 -0500
                Re: Raspberry Pi goes to war Joe Gwinn <joegwinn@comcast.net> - 2026-01-29 17:46 -0500
                Re: Raspberry Pi goes to war Coileán Pól Nioclás de Ghlostéir <thanks-to@Taf.com> - 2026-01-29 14:41 +0100
                Re: Raspberry Pi goes to war Lasse Langwadt <llc@fonz.dk> - 2026-01-29 19:03 +0100
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-30 15:25 +1100
                Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-01-30 10:15 +0000
                Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-30 04:03 -0700
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-31 00:12 +1100
                Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-01-30 13:25 +0000
                Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-30 07:03 -0700
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-31 16:35 +1100
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-31 00:09 +1100
                Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-01-30 13:43 +0000
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-31 02:34 +1100
            Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-29 13:25 +1100
          Re: Raspberry Pi goes to war albert@spenarnc.xs4all.nl - 2026-01-29 12:18 +0100
            Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 05:00 -0800
              Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-01-29 14:09 +0000
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 08:53 -0800
                Re: Raspberry Pi goes to war Gerhard Hoffmann <dk4xp@arcor.de> - 2026-01-29 20:25 +0100
                Re: Raspberry Pi goes to war Joe Gwinn <joegwinn@comcast.net> - 2026-01-29 18:18 -0500
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 16:53 -0800
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-30 15:49 +1100
                Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-01 11:58 +0000
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-02 09:48 -0800
                Re: Raspberry Pi goes to war Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-02-02 18:29 +0000
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-02 12:33 -0800
                Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-03 05:50 +0000
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-03 07:56 -0800
                Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-04 05:44 +0000
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-04 03:24 -0800
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-05 01:35 +1100
                Re: Raspberry Pi goes to war Gerhard Hoffmann <dk4xp@arcor.de> - 2026-02-04 21:31 +0100
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-04 13:21 -0800
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-05 16:50 +1100
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-05 11:36 -0800
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-06 18:30 +1100
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-06 03:41 -0800
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-07 01:12 +1100
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-05 16:46 +1100
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-05 11:37 -0800
                Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-06 06:18 +0000
                Re: Raspberry Pi goes to war Jeroen Belleman <jeroen@nospam.please> - 2026-02-06 09:51 +0100
                Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-06 12:30 +0000
                Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-02-05 09:14 +0000
                Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-02-05 04:39 -0700
                Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-02-05 14:30 +0000
                Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-02-05 08:36 -0700
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-06 02:07 +1100
                Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-04 15:53 +0000
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-05 01:04 +1100
                Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-04 15:58 +0000
                Re: Raspberry Pi goes to war Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-02-03 16:23 +0000
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-03 09:03 -0800
                Re: Raspberry Pi goes to war Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-02-03 17:47 +0000
                Re: Raspberry Pi goes to war wmartin <wwm@wwmartin.net> - 2026-02-03 11:18 -0800
                Re: Raspberry Pi goes to war Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-02-04 01:21 +0000
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-03 18:52 -0800
                Re: Raspberry Pi goes to war Joe Gwinn <joegwinn@comcast.net> - 2026-02-03 13:40 -0500
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-03 23:38 +1100
                Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-03 05:41 +0000
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-03 10:46 -0800
              Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-30 03:08 +1100
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 08:56 -0800
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-30 15:56 +1100
            Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-30 03:04 +1100
              Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 08:59 -0800
                Re: Raspberry Pi goes to war Gerhard Hoffmann <dk4xp@arcor.de> - 2026-01-29 20:50 +0100
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 19:22 -0800
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-30 16:00 +1100
            Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 15:43 -0800
        Re: Raspberry Pi goes to war Lasse Langwadt <llc@fonz.dk> - 2026-01-28 17:42 +0100
    Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-27 13:47 -0800
      Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-27 17:31 -0500
        Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-27 14:42 -0800
          Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-27 17:55 -0500
            Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-27 15:03 -0800
              Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-27 19:04 -0500
                Re: Raspberry Pi goes to war albert@spenarnc.xs4all.nl - 2026-01-29 12:24 +0100
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 10:43 -0800
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-30 16:07 +1100
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-30 11:45 -0800
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-31 16:51 +1100
                Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-29 23:03 -0700
          Re: Raspberry Pi goes to war Gerhard Hoffmann <dk4xp@arcor.de> - 2026-01-28 00:18 +0100
          Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-01-28 11:57 +0000
            Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-28 08:19 -0800
              Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-28 15:18 -0500
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-28 13:12 -0800
                Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-28 16:54 -0500
            Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-28 15:13 -0500
    Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-27 15:32 -0700
      Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-27 17:44 -0500
        Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-27 15:55 -0700
          Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-27 19:13 -0500
            Re: Raspberry Pi goes to war Joe Gwinn <joegwinn@comcast.net> - 2026-01-27 19:53 -0500
            Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-27 20:30 -0700
              Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-29 01:56 +1100
              Re: Raspberry Pi goes to war albert@spenarnc.xs4all.nl - 2026-01-29 12:29 +0100
                Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-29 23:09 -0700
              Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-01-30 13:25 +0000
                Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-30 07:07 -0700
                Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-30 11:49 -0800
                Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-31 02:40 +1100
                Re: Raspberry Pi goes to war wmartin <wwm@wwmartin.net> - 2026-01-30 11:23 -0800
                Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-31 01:17 -0700
                Re: Raspberry Pi goes to war wmartin <wwm@wwmartin.net> - 2026-01-31 12:19 -0800
                Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-31 18:36 -0700
            Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-01-30 13:25 +0000
    Re: Raspberry Pi goes to war Lasse Langwadt <llc@fonz.dk> - 2026-01-28 17:38 +0100
      Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-28 17:19 -0500
      Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-28 17:36 -0500
  Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-01-28 06:26 +0000

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