Where can I buy a large analogue meter?...

[rbowman]

On 04/18/2022 05:44 AM, Commander Kinsey wrote:

On Sun, 17 Apr 2022 01:38:34 +0100, rbowman <bowman@montana.com> wrote:

On 04/16/2022 05:20 PM, Jasen Betts wrote:
On 2022-04-16, Commander Kinsey <CK1@nospam.com> wrote:
On Sat, 16 Apr 2022 13:31:06 +0100, RJH <patchmoney@gmx.com> wrote:

On 16 Apr 2022 at 11:52:08 BST, \"The Natural Philosopher\"
tnp@invalid.invalid> wrote:

On 16/04/2022 11:35, RJH wrote:
On 16 Apr 2022 at 11:06:34 BST, \"The Natural Philosopher\"
tnp@invalid.invalid> wrote:

On 15/04/2022 21:28, Cindy Hamilton wrote:
On 2022-04-15, The Natural Philosopher <tnp@invalid.invalid
wrote:

BEVs are very mature technology. There is only a bit left to
improve.
Like aircraft and cars in general.

Yeah, they keep saying that about computers, too. And they\'re
constantly proved wrong.

They are completely right about computers. They cant be clocked any
faster, they cant be made to work with much less power - all
they can do
is add more cores.


The new(ish) Apple processors use a fraction (between and half
and a third) of
the power used by an Intel equivalent.

That by itself, says nothing
A Z80 uses way less power than a pentium
A motorcycle uses way less power than a ferrari.

It says everything. Less power for the same load - google Apple M1

I prefer things designed for adults.

I very much doubt Apple can beat Intel anyway.

It\'s not Apple vs Intel it\'s TSMC vs Intel.

True, but possibly not the way you meant it. AMD is partnered with TSMC
and the Zen 3+ design on TSMC 6nm capabilities is currently kicking
Intel ass.

There is a problem with AMD. Their implementation of VT-D
(virtualization to use two OSes on one CPU) sux. It slows the system
right down and it\'s hard to interact with it.

That\'s not a general problem. There was a period with the early Athlons
that didn\'t implement some of the new Intel instructions but I\'ve leaned
towards AMD with no problem.

It wasn\'t AMD but I recall one processor that ran CP/M and DOS, both
rather poorly. National maybe?

 

[Commander Kinsey]

On Mon, 18 Apr 2022 17:45:32 +0100, rbowman <bowman@montana.com> wrote:

On 04/18/2022 08:56 AM, Commander Kinsey wrote:
On Mon, 18 Apr 2022 08:02:11 +0100, Jan Panteltje
pNaonStpealmtje@yahoo.com> wrote:

On a sunny day (Sun, 17 Apr 2022 14:08:22 -0600) it happened rbowman
bowman@montana.com> wrote in <jc3adkFbplkU1@mid.individual.net>:

On 04/17/2022 10:51 AM, Jan Panteltje wrote:
What\'s a modern programmer? One that uses that snake language
\'python\' or so?
I like to code in asm for Microchip PIC micros, there is a lot you
can do with 256 bytes RAM and 16 kB ROM.
http://panteltje.com/panteltje/pic/scope_pic/
http://panteltje.com/panteltje/pic/index.html

While I prefer the AVR series I definitely agree. My day job is C/C++/C#
and increasingly JavaScript with a new Angular product but when I get
home I like to keep in simple like when I could wire-wrap up a working
Z80 board.

Have dot doen wirewrap in ages...
http://panteltje.com/panteltje/raspberry_pi_dvb-s_transmitter/

soldering....


Isn\'t wirewrap what amateurs do that can\'t solder?

You assume there is a circuit board to solder anything to. Wirewrap is
great for prototyping before you bother with a board. Of course there\'s
the dead bug method.

https://www.instructables.com/Dead-Bug-Prototyping-and-Freeform-Electronics/

Whoever did the dead bug arduino has a lot of time on his hands.

I still see solder. I\'ve made stuff without a board, but I always use solder or things fall off.

 

[Commander Kinsey]

On Mon, 18 Apr 2022 17:52:13 +0100, rbowman <bowman@montana.com> wrote:

On 04/18/2022 05:44 AM, Commander Kinsey wrote:
On Sun, 17 Apr 2022 01:38:34 +0100, rbowman <bowman@montana.com> wrote:

On 04/16/2022 05:20 PM, Jasen Betts wrote:
On 2022-04-16, Commander Kinsey <CK1@nospam.com> wrote:
On Sat, 16 Apr 2022 13:31:06 +0100, RJH <patchmoney@gmx.com> wrote:

On 16 Apr 2022 at 11:52:08 BST, \"The Natural Philosopher\"
tnp@invalid.invalid> wrote:

On 16/04/2022 11:35, RJH wrote:
On 16 Apr 2022 at 11:06:34 BST, \"The Natural Philosopher\"
tnp@invalid.invalid> wrote:

On 15/04/2022 21:28, Cindy Hamilton wrote:
On 2022-04-15, The Natural Philosopher <tnp@invalid.invalid
wrote:

BEVs are very mature technology. There is only a bit left to
improve.
Like aircraft and cars in general.

Yeah, they keep saying that about computers, too. And they\'re
constantly proved wrong.

They are completely right about computers. They cant be clocked any
faster, they cant be made to work with much less power - all
they can do
is add more cores.


The new(ish) Apple processors use a fraction (between and half
and a third) of
the power used by an Intel equivalent.

That by itself, says nothing
A Z80 uses way less power than a pentium
A motorcycle uses way less power than a ferrari.

It says everything. Less power for the same load - google Apple M1

I prefer things designed for adults.

I very much doubt Apple can beat Intel anyway.

It\'s not Apple vs Intel it\'s TSMC vs Intel.

True, but possibly not the way you meant it. AMD is partnered with TSMC
and the Zen 3+ design on TSMC 6nm capabilities is currently kicking
Intel ass.

There is a problem with AMD. Their implementation of VT-D
(virtualization to use two OSes on one CPU) sux. It slows the system
right down and it\'s hard to interact with it.

That\'s not a general problem. There was a period with the early Athlons
that didn\'t implement some of the new Intel instructions but I\'ve leaned
towards AMD with no problem.

It\'s a fucking problem here. I run the Boinc projects Cosmology and LHC that use Oracle Virtualbox to run Linux under Windows. It slows the interface to a crawl. The same doesn\'t happen with Intel.

 

[Jan Panteltje]

On a sunny day (Mon, 18 Apr 2022 15:58:45 +0100) it happened \"Commander
Kinsey\" <CK1@nospam.com> wrote in <op.1kts77xamvhs6z@ryzen.lan>:

Mine appear to be limited by the CPU speed, one core is all the program will allocate per camera, so I only get 15 fps max.
Usually 7 fps as the computer is very busy running Boinc.

yes I keep several weeks.
Been playing with the Pimoroni IR camera module on Raspberry, low resolution but detects body heat.
That has now passed the \'several weeks 24/7 on\' test.
http://panteltje.com/panteltje/newsflex/download.html#xflir

I got some cheap shit from China. It\'s never the resolution advertised, but that means they\'ll panic and give you 50% off the
already low price.

4 security cams go into one of those 4 channel security recorders from China
Works very well, it does not record anything, I take the output via the LAN and re-encode it with ffmpeg,
The intersting things is that one Raspberry Pi 4 with 4 GB memory records
those 4 cams, plus 2 other IP cameras plus 2 audio tracks and the
procesor load is still very low,
plays background mp3 music without hickups at the same time!
and I can browse the web with chromium at the same time.
Raspi is a quad core.

Tasks: 207 total, 1 running, 206 sleeping, 0 stopped, 0 zombie
%Cpu(s): 6.7 us, 4.2 sy, 2.7 ni, 85.9 id, 0.0 wa, 0.0 hi, 0.5 si, 0.0 st
MiB Mem : 3906.0 total, 2494.6 free, 443.2 used, 968.3 buff/cache
MiB Swap: 100.0 total, 100.0 free, 0.0 used. 3268.2 avail Mem

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
32764 root 25 5 33144 12040 2412 S 8.2 0.3 35:19.57 xgpspc_mon
513 root 20 0 222132 40308 24808 S 7.6 1.0 34:25.54 ffmpeg
25093 root 20 0 222140 40160 24668 S 5.9 1.0 42:42.68 ffmpeg
512 root 20 0 16300 11504 3640 S 5.6 0.3 31:34.56 mcamip
25092 root 20 0 16300 11316 3468 S 5.6 0.3 40:53.77 mcamip2
32765 root 25 5 222044 40496 24724 S 3.6 1.0 15:52.81 ffmpeg
25786 root 20 0 148216 30692 23816 S 2.3 0.8 0:43.54 ffmpeg
25783 root 20 0 148348 31372 24184 S 1.6 0.8 0:42.82 ffmpeg
25784 root 20 0 147904 30724 23832 S 1.6 0.8 0:43.37 ffmpeg
25785 root 20 0 147912 31064 24172 S 1.6 0.8 0:42.52 ffmpeg
12871 root 20 0 4820 3316 2872 S 1.3 0.1 4:24.67 mpg123
25090 root 20 0 9764 3800 3396 S 1.3 0.1 7:01.93 wget2
25091 root 20 0 179936 29736 23628 S 1.3 0.7 6:35.35 ffmpeg

raspi95: /mnt/sda2/security/video # temperature
temp=48.0\'C

This raspi has alu housing and a fan
result:

In crontab new instances are started at different times with new serial number.
rw-r--r-- 1 root root 577241088 Apr 18 18:49 bp1.ts
-rw-r--r-- 1 root root 853278720 Apr 18 18:49 camera6-1809.mp2
-rw-r--r-- 1 root root 1194590208 Apr 18 18:49 mcam-2.ts
-rw-r--r-- 1 root root 954728448 Apr 18 18:49 camera6-1809.ts
-rw-r--r-- 1 root root 574967920 Apr 18 18:49 hcam_4_2822.ts
-rw-r--r-- 1 root root 575615956 Apr 18 18:49 hcam_3_154.ts
-rw-r--r-- 1 root root 574837824 Apr 18 18:49 hcam_1_2989.ts
-rw-r--r-- 1 root root 576117352 Apr 18 18:49 hcam_2_3011.ts

I use .ts format as it is more flexible and easier to fast-forward and go back in.
bp1.ts is just airtraffic, weather air pressure etc from server on an other raspi.
other audio goes to the audio directory.

 

[Jock]

On Tue, 19 Apr 2022 00:56:22 +1000, Commander Kinsey <CK1@nospam.com>
wrote:

On Mon, 18 Apr 2022 08:02:11 +0100, Jan Panteltje
pNaonStpealmtje@yahoo.com> wrote:

On a sunny day (Sun, 17 Apr 2022 14:08:22 -0600) it happened rbowman
bowman@montana.com> wrote in <jc3adkFbplkU1@mid.individual.net>:

On 04/17/2022 10:51 AM, Jan Panteltje wrote:
What\'s a modern programmer? One that uses that snake language
\'python\' or so?
I like to code in asm for Microchip PIC micros, there is a lot you
can do with 256 bytes RAM and 16 kB ROM.
http://panteltje.com/panteltje/pic/scope_pic/
http://panteltje.com/panteltje/pic/index.html

While I prefer the AVR series I definitely agree. My day job is
C/C++/C#
and increasingly JavaScript with a new Angular product but when I get
home I like to keep in simple like when I could wire-wrap up a working
Z80 board.

Have dot doen wirewrap in ages...
http://panteltje.com/panteltje/raspberry_pi_dvb-s_transmitter/

soldering....


Isn\'t wirewrap what amateurs do that can\'t solder?

Nope, vast numbers of DEC minis were done that way.

 

[rbowman]

On 04/18/2022 06:43 AM, Commander Kinsey wrote:

There\'s a coal hauling train goes past me as there\'s a power station 10
miles down the road. The rails can\'t handle the weight, they\'re
constantly repairing them.

https://www.youtube.com/watch?v=8OmTnWxpcEQ

Someone has put a rude comment under there!

The coal trains aren\'t popular. There still are some surface level
crossings where you can wait forever for the train to pass.

No passengers, no tables. We have two passenger terminals but they\'ve
been recycled to other uses.

https://aws.boone-crockett.org/s3fs-public/thumbnails/image/hq-bcheadquarters2015.jpg


Do you guys have to put a fucking flag everywhere?

Just about...

That was the Milwaukee Road terminal but they went under in the \'70s.
You can\'t see it but in the foreground the rails have been ripped up and
turned into a bike/pedestrian trail.

Yeah we have one of those. Nice smooth tarmac. I often startle people
by going for a run barefoot along it. It\'s perfect for toughening the
soles, hard but no sharp things. I also took a Scarlet Macaw with me
one time (on a lead long enough for her to fly around), that amused
everyone.

This one is paved in the downtown area but east of town it\'s gravel but
fairly smooth.


> Funny, we had a courier service called Amtrak. They went bust.

Amtrak has been on life support for a long time. I briefly worked for
Penn Central when they were going under. You had to have money in your
account before the bank would cash your paycheck. Amtrak took them over
with all the problems. The tracks were a mess as was the rolling stock.
There were a number of the \'50s streamliner engines that were scrapped
because nobody wanted to work on them.

Amtrak did eventually get the tracks back in shape but only on the
eastern corridor.

Russia has loads of stuff to sell, buy that. They\'ll give you a good
price.

The US would rather cut its nose off to spite its face.

 

[Scott Lurndal]

rbowman <bowman@montana.com> writes:

On 04/18/2022 05:44 AM, Commander Kinsey wrote:
On Sun, 17 Apr 2022 01:38:34 +0100, rbowman <bowman@montana.com> wrote:


There is a problem with AMD. Their implementation of VT-D
(virtualization to use two OSes on one CPU) sux. It slows the system
right down and it\'s hard to interact with it.

Nonsense.

That\'s not a general problem. There was a period with the early Athlons
that didn\'t implement some of the new Intel instructions but I\'ve leaned
towards AMD with no problem.

Actually, virtualization capabilities were pioneered on the Opteron
processors with SVM (Secure Virtual Machine) circa 2004. It was several
years later before intel introduced the equivalent VT-X support (right
after Intel adopted AMD\'s 64-bit extensions). First generation SVM
still relied on paravirtualized memory management, but the second generation
added nested page table support. Intel copied that as well with EPT.

VT-D is a completely separate thing (I/O virtualization rather than
CPU virtualization), and it relies on specialized PCI hardware that
can be configured to provide multiple virtual devices (Virtual Functions
in the nomenclature). Not something you\'ll find on a desktop box
generally (although NVME cards and many network cards support SR-IOV).

It wasn\'t AMD but I recall one processor that ran CP/M and DOS, both
rather poorly. National maybe?

At SGI we helped pioneer hypervisor development with a project called
Crucible - we ran Windows and Linux on a two-processor HP Kayak simultaneously,
in 1998.

 

[rbowman]

On 04/18/2022 08:54 AM, Commander Kinsey wrote:

11 of course. Why not take it as it\'s free? I bypassed the stupid TPM
requirement (which only 1 of my 7 machines passed) using something
called Rufus.

I\'ve used rufus to create bootable USB sticks for Linux distros. Same rufus?

Apparently HyperV is an even bigger piece of shite than VT-X and Oracle
Virtualbox.

It\'s not great. They\'ve been improving it supposedly.

 

[Jan Panteltje]

On a sunny day (Mon, 18 Apr 2022 10:40:01 -0600) it happened rbowman
<bowman@montana.com> wrote in <jc5iivFota6U1@mid.individual.net>:

On 04/18/2022 01:02 AM, Jan Panteltje wrote:
On a sunny day (Sun, 17 Apr 2022 14:08:22 -0600) it happened rbowman
bowman@montana.com> wrote in <jc3adkFbplkU1@mid.individual.net>:

On 04/17/2022 10:51 AM, Jan Panteltje wrote:
What\'s a modern programmer? One that uses that snake language \'python\' or so?
I like to code in asm for Microchip PIC micros, there is a lot you can do with 256 bytes RAM and 16 kB ROM.
http://panteltje.com/panteltje/pic/scope_pic/
http://panteltje.com/panteltje/pic/index.html

While I prefer the AVR series I definitely agree. My day job is C/C++/C#
and increasingly JavaScript with a new Angular product but when I get
home I like to keep in simple like when I could wire-wrap up a working
Z80 board.

Have dot doen wirewrap in ages...
http://panteltje.com/panteltje/raspberry_pi_dvb-s_transmitter/

soldering....



I\'ve still got the tools and an assortment of wirewrap sockets but
haven\'t done a project in a long time. I got away from hardware when
surface mount came in. Even with magnifiers I don\'t have the vision to
deal with that anymore.

Surface mount is easy on those boards with the round isles.
I have reading glasses from the local drugstore
and for the small SMDs I put 2 reading glasses on top of each other.
Strength adds up.
You do need to be a bit closer to what you are doing then.
So far no problems.
Have a small fan blow the smoke away from you..

 

[Jan Panteltje]

On a sunny day (Mon, 18 Apr 2022 10:45:32 -0600) it happened rbowman
<bowman@montana.com> wrote in <jc5itaFova5U1@mid.individual.net>:

https://www.instructables.com/Dead-Bug-Prototyping-and-Freeform-Electronics/

Whoever did the dead bug arduino has a lot of time on his hands.

Impressive, but not very portable.

frequency counter in RS232 connector:
http://panteltje.com/panteltje/pic/freq_pic/

 

[LM]

On Thu, 14 Apr 2022 11:45:06 +0100, \"Commander Kinsey\"
<CK1@nospam.com> wrote:

>Where can I buy a large analogue meter? Big enough to show to a room of people, about a foot long pointer.
I have noticed that Ebay has everything. If you find the correct name
for searching.

Then there are Geebuying,
Gearbest, https://www.gearbest.com
Banggood,
Aliexpress,
Dealextreme
and so on.

 

[Jock]

On Tue, 19 Apr 2022 02:51:41 +1000, Commander Kinsey <CK1@nospam.com>
wrote:

On Mon, 18 Apr 2022 17:40:01 +0100, rbowman <bowman@montana.com> wrote:

On 04/18/2022 01:02 AM, Jan Panteltje wrote:
On a sunny day (Sun, 17 Apr 2022 14:08:22 -0600) it happened rbowman
bowman@montana.com> wrote in <jc3adkFbplkU1@mid.individual.net>:

On 04/17/2022 10:51 AM, Jan Panteltje wrote:
What\'s a modern programmer? One that uses that snake language
\'python\' or so?
I like to code in asm for Microchip PIC micros, there is a lot you
can do with 256 bytes RAM and 16 kB ROM.
http://panteltje.com/panteltje/pic/scope_pic/
http://panteltje.com/panteltje/pic/index.html

While I prefer the AVR series I definitely agree. My day job is
C/C++/C#
and increasingly JavaScript with a new Angular product but when I get
home I like to keep in simple like when I could wire-wrap up a working
Z80 board.

Have dot doen wirewrap in ages...
http://panteltje.com/panteltje/raspberry_pi_dvb-s_transmitter/

soldering....


I\'ve still got the tools and an assortment of wirewrap sockets but
haven\'t done a project in a long time. I got away from hardware when
surface mount came in. Even with magnifiers I don\'t have the vision to
deal with that anymore.

I astonished someone at work when he was trying to read a surface mount
resistor value through a magnifying glass. I glanced at it without one
and told him the value. Apparently I have the eyesight and the hearing
of a 16 year old.

And the \'brain\'

> Unfortunately not the body.

Or the dick.

 

[Ricky]

On Monday, April 18, 2022 at 11:06:37 AM UTC-4, Commander Kinsey wrote:

On Mon, 18 Apr 2022 16:00:07 +0100, Ricky <gnuarm.del...@gmail.com> wrote:

On Monday, April 18, 2022 at 8:43:21 AM UTC-4, Commander Kinsey wrote:
On Mon, 18 Apr 2022 02:24:53 +0100, rbowman <bow...@montana.com> wrote:

No passengers, no tables. We have two passenger terminals but they\'ve
been recycled to other uses.

https://aws.boone-crockett.org/s3fs-public/thumbnails/image/hq-bcheadquarters2015.jpg
Do you guys have to put a fucking flag everywhere?

No, we don\'t have to. We do because we can.
It achieves nothing apart from making you like like egotistical idiots, you\'re the laughing stock of the world.

You are the sort of person with zero humility. I have no understanding of the fact that your opinion is not worth diddly in this universe. Whatever, this group is full of unthinking trolls. One more can\'t hurt.

BTW, you appear to have given up on your quest for a large multimeter. I guess it\'s more important to rail about flags?

--

Rick C.

+-- Get 1,000 miles of free Supercharging
+-- Tesla referral code - https://ts.la/richard11209

 

[Ricky]

On Monday, April 18, 2022 at 12:27:14 PM UTC-4, Commander Kinsey wrote:

On Mon, 18 Apr 2022 17:02:18 +0100, charles <cha...@candehope.me.uk> wrote:

In article <op.1kts3...@ryzen.lan>,
Commander Kinsey <C...@nospam.com> wrote:
On Mon, 18 Apr 2022 08:02:11 +0100, Jan Panteltje <pNaonSt...@yahoo.com> wrote:

On a sunny day (Sun, 17 Apr 2022 14:08:22 -0600) it happened rbowman
bow...@montana.com> wrote in <jc3adk...@mid.individual.net>:

On 04/17/2022 10:51 AM, Jan Panteltje wrote:
What\'s a modern programmer? One that uses that snake language \'python\' or so?
I like to code in asm for Microchip PIC micros, there is a lot you can do with 256 bytes RAM and 16 kB ROM.
http://panteltje.com/panteltje/pic/scope_pic/
http://panteltje.com/panteltje/pic/index.html

While I prefer the AVR series I definitely agree. My day job is C/C++/C#
and increasingly JavaScript with a new Angular product but when I get
home I like to keep in simple like when I could wire-wrap up a working
Z80 board.

Have dot doen wirewrap in ages...
http://panteltje.com/panteltje/raspberry_pi_dvb-s_transmitter/

soldering....


Isn\'t wirewrap what amateurs do that can\'t solder?

Wirewrap used to be the standard for GPO wiring blocks.
Which is why they went wrong so often. Yeah lets just hope two things touching with no solder or pressure just happen to conduct. It\'s the way kids make stuff. Twist the wires together and hope for the best.

It is one thing to be ignorant. It is another to publicly declare your ignorance for all to see.

It doesn\'t take much effort at all for you to do a little research and find that wirewrap is actually a highly reliable technique if done according to the guidelines.

--

Rick C.

+-+ Get 1,000 miles of free Supercharging
+-+ Tesla referral code - https://ts.la/richard11209

 

[Joe Gwinn]

On Mon, 18 Apr 2022 15:53:26 +0100, \"Commander Kinsey\"
<CK1@nospam.com> wrote:

On Mon, 18 Apr 2022 02:36:21 +0100, Joe Gwinn <joegwinn@comcast.net> wrote:

On Sun, 17 Apr 2022 23:36:26 +0100, \"Commander Kinsey\"
CK1@nospam.com> wrote:

On Sun, 17 Apr 2022 23:15:57 +0100, Joe Gwinn <joegwinn@comcast.net> wrote:

On Sun, 17 Apr 2022 14:39:32 -0700 (PDT), whit3rd <whit3rd@gmail.com
wrote:

On Sunday, April 17, 2022 at 10:12:09 AM UTC-7, Joe Gwinn wrote:
On Sun, 17 Apr 2022 13:55:55 +0100, \"Commander Kinsey\"
C...@nospam.com> wrote:

Anyway, within the x86 architecture they keep adding instructions etc. Can\'t it be improved out of the mess?
Not without giving up un backward compatibility and making a clean
break. Which has been against Intel theology for a long time.

Apple went through the same thing, and eventually hired a bunch of
market research firms to run focus groups sessions...
The question to be answered was if there had to
be a Motorola processor on the motherboard, or would a really good
emulator suffice. The vast majority of those in the focus (myself
included) said that no Motorola hardware was needed, so long as the
emulation was in fact that good, because we all had essential software
that could not be replaced for one reason or another. I assume that
most of the focus groups came to the same answer, because that\'s
exactly what happened.

Joe Gwinn

It was a stretch, though; there was a \'toolbox\' runtime library, and the
rewrite of that was probably the first need, because it would normally
be cached, and a two-stage emulator-plus-toolbox requirement used
a LOT of cache. Apple had some PowerPC processors made with extra-large
cache in the early days of the 68k-to-Power changeover, and eventually
the OS\'es became incompatible as emulations were dropped, first 68k
and then Power code in the Intel years.

Yes, but never mind the details, Apple did get it to work very well,
and maintained it for about ten years, then ceased to support it. By
then, most of those critical apps wee no longer critical, or had been
killed off by something else.

Nobody does anything critical with a Mac anyway. They\'re just for arty folk.

Well I\'ve never been accused of being arty, but OK.

But for really critical stuff, nobody uses Windows for sure. It\'s
Linux all the way, often controlling bespoke FPGA hardware.

Why no Windows? Well, the US Navy tried, in the SmartShip IT-21
program, for which the USS Yorktown was the testbed.

.<https://en.wikipedia.org/wiki/USS_Yorktown_(CG-48)

Long story short, someone in the engine room entered a bad value of an
input form for pump performance recording, and crashed the Windows
computer system and all associated shipwide networks. The ship was
dead in the water, without propulsion, steering, or weapons. What
could go wrong?

Fortunately they were far from land, and not in a battle, so they
didn\'t get sunk or blunder into anything. They had to reboot the
entire ship. This all took about three hours.

That was the end of SmartShip - only the name survived, used only for
administrative activities, isolated from all tactical networks.

UNIX was the follow-on answer, but the various big platform vendors
became too expensive and too inflexible, and over time everything
migrated to Linux, mostly Red Hat Enterprise Linux (RHEL), which IBM
subsequently acquired. Wonder if IBM has learned anything since DoD
abandoned AIX.

Windows 3 decades ago is not equal to Windows today.

True, but even today\'s Windows is not suited to anything truly mission
critical, like a ships weapon systems. A ships self-defense system
(defending against Mach 0.8 cruise missiles like the Neptunes recently
used to sink the Moskva in the Black Sea) is instructive: From
appearance (at the horizon about 20 miles away) to impact is about 20
seconds. Use them wisely.

And by the way, if the self-defense missile isn\'t moving on the launch
rails in maybe 5 seconds, intercept becomes impossible, so pray that
the CIWS succeeds.

Nor does Microsoft claim otherwise, even today.

It\'s also too late. All the Navy folk and consultants who sold IT-21
to the Brass suffered severe career damage, many succumbing to wounds
received in The Yorktown Incident. And the survivors were badly
scalded.

It will take more decades than Windows will last for the Navy to get
over its Windows aversion.

And Linux does work, so there is little pressure.

Joe Gwinn

 

[Commander Kinsey]

On Mon, 18 Apr 2022 17:59:54 +0100, Jan Panteltje <pNaonStpealmtje@yahoo.com> wrote:

On a sunny day (Mon, 18 Apr 2022 15:58:45 +0100) it happened \"Commander
Kinsey\" <CK1@nospam.com> wrote in <op.1kts77xamvhs6z@ryzen.lan>:

Mine appear to be limited by the CPU speed, one core is all the program will allocate per camera, so I only get 15 fps max.
Usually 7 fps as the computer is very busy running Boinc.

yes I keep several weeks.
Been playing with the Pimoroni IR camera module on Raspberry, low resolution but detects body heat.
That has now passed the \'several weeks 24/7 on\' test.
http://panteltje.com/panteltje/newsflex/download.html#xflir

I got some cheap shit from China. It\'s never the resolution advertised, but that means they\'ll panic and give you 50% off the
already low price.

4 security cams go into one of those 4 channel security recorders from China
Works very well, it does not record anything, I take the output via the LAN and re-encode it with ffmpeg,

How complicated, mine are just USB cams, plug straight into the PC and it records.

The intersting things is that one Raspberry Pi 4 with 4 GB memory records
those 4 cams, plus 2 other IP cameras plus 2 audio tracks and the
procesor load is still very low,
plays background mp3 music without hickups at the same time!
and I can browse the web with chromium at the same time.
Raspi is a quad core.

Tasks: 207 total, 1 running, 206 sleeping, 0 stopped, 0 zombie
%Cpu(s): 6.7 us, 4.2 sy, 2.7 ni, 85.9 id, 0.0 wa, 0.0 hi, 0.5 si, 0.0 st
MiB Mem : 3906.0 total, 2494.6 free, 443.2 used, 968.3 buff/cache
MiB Swap: 100.0 total, 100.0 free, 0.0 used. 3268.2 avail Mem

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
32764 root 25 5 33144 12040 2412 S 8.2 0.3 35:19.57 xgpspc_mon
513 root 20 0 222132 40308 24808 S 7.6 1.0 34:25.54 ffmpeg
25093 root 20 0 222140 40160 24668 S 5.9 1.0 42:42.68 ffmpeg
512 root 20 0 16300 11504 3640 S 5.6 0.3 31:34.56 mcamip
25092 root 20 0 16300 11316 3468 S 5.6 0.3 40:53.77 mcamip2
32765 root 25 5 222044 40496 24724 S 3.6 1.0 15:52.81 ffmpeg
25786 root 20 0 148216 30692 23816 S 2.3 0.8 0:43.54 ffmpeg
25783 root 20 0 148348 31372 24184 S 1.6 0.8 0:42.82 ffmpeg
25784 root 20 0 147904 30724 23832 S 1.6 0.8 0:43.37 ffmpeg
25785 root 20 0 147912 31064 24172 S 1.6 0.8 0:42.52 ffmpeg
12871 root 20 0 4820 3316 2872 S 1.3 0.1 4:24.67 mpg123
25090 root 20 0 9764 3800 3396 S 1.3 0.1 7:01.93 wget2
25091 root 20 0 179936 29736 23628 S 1.3 0.7 6:35.35 ffmpeg

raspi95: /mnt/sda2/security/video # temperature
temp=48.0\'C

This raspi has alu housing and a fan
result:

In crontab new instances are started at different times with new serial number.
rw-r--r-- 1 root root 577241088 Apr 18 18:49 bp1.ts
-rw-r--r-- 1 root root 853278720 Apr 18 18:49 camera6-1809.mp2
-rw-r--r-- 1 root root 1194590208 Apr 18 18:49 mcam-2.ts
-rw-r--r-- 1 root root 954728448 Apr 18 18:49 camera6-1809.ts
-rw-r--r-- 1 root root 574967920 Apr 18 18:49 hcam_4_2822.ts
-rw-r--r-- 1 root root 575615956 Apr 18 18:49 hcam_3_154.ts
-rw-r--r-- 1 root root 574837824 Apr 18 18:49 hcam_1_2989.ts
-rw-r--r-- 1 root root 576117352 Apr 18 18:49 hcam_2_3011.ts

Uh ok. I\'m a human not a geek, you\'ve just posted greek. I use a GUI.

 

[Commander Kinsey]

On Mon, 18 Apr 2022 18:04:45 +0100, rbowman <bowman@montana.com> wrote:

On 04/18/2022 06:43 AM, Commander Kinsey wrote:
There\'s a coal hauling train goes past me as there\'s a power station 10
miles down the road. The rails can\'t handle the weight, they\'re
constantly repairing them.

https://www.youtube.com/watch?v=8OmTnWxpcEQ

Someone has put a rude comment under there!

The coal trains aren\'t popular. There still are some surface level
crossings where you can wait forever for the train to pass.

Isn\'t forever more like 30 seconds? No big deal.

No passengers, no tables. We have two passenger terminals but they\'ve
been recycled to other uses.

https://aws.boone-crockett.org/s3fs-public/thumbnails/image/hq-bcheadquarters2015.jpg

Do you guys have to put a fucking flag everywhere?

Just about...

Why?

That was the Milwaukee Road terminal but they went under in the \'70s.
You can\'t see it but in the foreground the rails have been ripped up and
turned into a bike/pedestrian trail.

Yeah we have one of those. Nice smooth tarmac. I often startle people
by going for a run barefoot along it. It\'s perfect for toughening the
soles, hard but no sharp things. I also took a Scarlet Macaw with me
one time (on a lead long enough for her to fly around), that amused
everyone.

This one is paved in the downtown area but east of town it\'s gravel but
fairly smooth.

Funny, we had a courier service called Amtrak. They went bust.

Amtrak has been on life support for a long time. I briefly worked for
Penn Central when they were going under. You had to have money in your
account before the bank would cash your paycheck.

That last sentence doesn\'t make sense. I can\';t give you ten dollars unless you already have another ten dollars?

Amtrak took them over
with all the problems. The tracks were a mess as was the rolling stock.
There were a number of the \'50s streamliner engines that were scrapped
because nobody wanted to work on them.

Amtrak did eventually get the tracks back in shape but only on the
eastern corridor.

Russia has loads of stuff to sell, buy that. They\'ll give you a good
price.

The US would rather cut its nose off to spite its face.

The US is pathetic, it\'s scared of Russia.

 

[Commander Kinsey]

On Mon, 18 Apr 2022 18:06:39 +0100, Scott Lurndal <scott@slp53.sl.home> wrote:

rbowman <bowman@montana.com> writes:
On 04/18/2022 05:44 AM, Commander Kinsey wrote:
On Sun, 17 Apr 2022 01:38:34 +0100, rbowman <bowman@montana.com> wrote:


There is a problem with AMD. Their implementation of VT-D
(virtualization to use two OSes on one CPU) sux. It slows the system
right down and it\'s hard to interact with it.

Nonsense.

Not nonsense, well known problem. Same program running on Intels and AMDs, the AMDs get sluggish. See LHC@Home for an example.

 

[Commander Kinsey]

On Mon, 18 Apr 2022 18:08:01 +0100, rbowman <bowman@montana.com> wrote:

On 04/18/2022 08:54 AM, Commander Kinsey wrote:
11 of course. Why not take it as it\'s free? I bypassed the stupid TPM
requirement (which only 1 of my 7 machines passed) using something
called Rufus.

I\'ve used rufus to create bootable USB sticks for Linux distros. Same rufus?

I would think so, it\'s quite versatile.

Apparently HyperV is an even bigger piece of shite than VT-X and Oracle
Virtualbox.

It\'s not great. They\'ve been improving it supposedly.

The main problem is if it\'s on it breaks the VT-x.

 

[Commander Kinsey]

On Mon, 18 Apr 2022 18:10:38 +0100, Jan Panteltje <pNaonStpealmtje@yahoo.com> wrote:

On a sunny day (Mon, 18 Apr 2022 10:40:01 -0600) it happened rbowman
bowman@montana.com> wrote in <jc5iivFota6U1@mid.individual.net>:

On 04/18/2022 01:02 AM, Jan Panteltje wrote:
On a sunny day (Sun, 17 Apr 2022 14:08:22 -0600) it happened rbowman
bowman@montana.com> wrote in <jc3adkFbplkU1@mid.individual.net>:

On 04/17/2022 10:51 AM, Jan Panteltje wrote:
What\'s a modern programmer? One that uses that snake language \'python\' or so?
I like to code in asm for Microchip PIC micros, there is a lot you can do with 256 bytes RAM and 16 kB ROM.
http://panteltje.com/panteltje/pic/scope_pic/
http://panteltje.com/panteltje/pic/index.html

While I prefer the AVR series I definitely agree. My day job is C/C++/C#
and increasingly JavaScript with a new Angular product but when I get
home I like to keep in simple like when I could wire-wrap up a working
Z80 board.

Have dot doen wirewrap in ages...
http://panteltje.com/panteltje/raspberry_pi_dvb-s_transmitter/

soldering....


I\'ve still got the tools and an assortment of wirewrap sockets but
haven\'t done a project in a long time. I got away from hardware when
surface mount came in. Even with magnifiers I don\'t have the vision to
deal with that anymore.

Surface mount is easy on those boards with the round isles.
I have reading glasses from the local drugstore
and for the small SMDs I put 2 reading glasses on top of each other.
Strength adds up.

Surely reading glasses are not the same as magnifying glasses?

You do need to be a bit closer to what you are doing then.
So far no problems.
Have a small fan blow the smoke away from you..

It\'s more the movement of the hands rather than the eyesight that\'s the limitation I find.