More about chinese wallwarts......

[Jan Panteltje]

Hardly I mentioned bad elcos in wallwarts or the next one happened

I bought this DVB-S2 satellite receiver box last year,
it came with a 12 V 1 A supply.
But always when it was moving the sat dish (drive the dish motor) it gave a big hum in the audio.
Well OK, never measured the current that I can remember my dish motor used
and as in the previous (USB) sat receiver box I had to replace the LM317 4 or 5 times before I tossed the thing
and as everything else was working, I left them the advantage of the doubt,

But now.. since yesterday, it also gave a hum when not moving on some channels
(H polarization and V polarization have different voltages to the LNB)
I went looking for a 12V wallwart in boxes full of stuff and found a big one 12 V 1.5 A..
Even the connector did fit.
No more hum, no more hum when using the dish motor either.

So.. and as 12V cable on this one was much ticker, 2 wire,
I split it in half for a small section and used the clamp-on DC meter to measure the current
Less than 850 mA even when dish moving...
So the old 1 A wallwart was not even 850 mA... when new!

Had a good look at the label:
http://panteltje.com/pub/chinese_12V_1A_what_IXIMG_0821.JPG
If you look close it does not say 1A DC, but
_____
- - -
So with free ripple let\'s say!

A look inside, and for sure this is the SMALLEST wallwart I have!!:
http://panteltje.com/pub/chinese_12V_1A_top_view_IXIMG_0822.JPG
primary bridge, 2 x 10 uF 400 V in parallel,
a small transformer,
secondary 330 uF 16 V.., diode, inductor, 470 uF 16 V
No power transistor???
http://panteltje.com/pub/chinese_12V_1A_converter_chip_IXIMG_0824.JPG
Well, dunno this chip, but 12 W output ???? No cooling? Efficiency?

It took a vice, 2 big pliers and a hammer to open this thing, still in one piece
so can put it back together, the 470 uF is clearly swollen and needs replacement.

But from 100 V to 240 V?
That means between 339 and 141 V primary on the converter.
But for 12 W out counting efficiency say 80 % makes 15 W input
15 W at 141 V input makes i = 15 / 141 = 100 mA
20 uF at 60 Hz so 120 Hz so 8,3 ms between mains peaks
Q = C.U = i.t so ripple U = i.t / C = 41 Vpp

So that converter chip should at least work between 141 - 41 = 100V DC input (min US) and 339 V DC input (nominal EU)..
Seem a bit hairy to me
Well it did not even do 1 A when new at 230 V in...

What\'s in a spec?, any legal issues here?

Now that chip, on it it says
125360
OB2502PCP

google
https://www.dianyuan.com/upload/community/2017/06/21/1498016857-45025.pd

Well!!
Build in power MOSFET, no reference needed....

Will replace the 470 uF and use it for things that need less than 1 A at 12 V ...

 

[John Doe]

Here in America, I look for \"UL listed\". That\'s rare nowadays, but it\'s
still on some things.


Jan Panteltje <pNaonStpealmtje@yahoo.com> wrote:

Hardly I mentioned bad elcos in wallwarts or the next one happened

I bought this DVB-S2 satellite receiver box last year,
it came with a 12 V 1 A supply.
But always when it was moving the sat dish (drive the dish motor) it gave a big hum in the audio.
Well OK, never measured the current that I can remember my dish motor used
and as in the previous (USB) sat receiver box I had to replace the LM317 4 or 5 times before I tossed the thing
and as everything else was working, I left them the advantage of the doubt,

But now.. since yesterday, it also gave a hum when not moving on some channels
(H polarization and V polarization have different voltages to the LNB)
I went looking for a 12V wallwart in boxes full of stuff and found a big one 12 V 1.5 A..
Even the connector did fit.
No more hum, no more hum when using the dish motor either.

So.. and as 12V cable on this one was much ticker, 2 wire,
I split it in half for a small section and used the clamp-on DC meter to measure the current
Less than 850 mA even when dish moving...
So the old 1 A wallwart was not even 850 mA... when new!

Had a good look at the label:
http://panteltje.com/pub/chinese_12V_1A_what_IXIMG_0821.JPG
If you look close it does not say 1A DC, but
_____
- - -
So with free ripple let\'s say!

A look inside, and for sure this is the SMALLEST wallwart I have!!:
http://panteltje.com/pub/chinese_12V_1A_top_view_IXIMG_0822.JPG
primary bridge, 2 x 10 uF 400 V in parallel,
a small transformer,
secondary 330 uF 16 V.., diode, inductor, 470 uF 16 V
No power transistor???
http://panteltje.com/pub/chinese_12V_1A_converter_chip_IXIMG_0824.JPG
Well, dunno this chip, but 12 W output ???? No cooling? Efficiency?

It took a vice, 2 big pliers and a hammer to open this thing, still in one piece
so can put it back together, the 470 uF is clearly swollen and needs replacement.

But from 100 V to 240 V?
That means between 339 and 141 V primary on the converter.
But for 12 W out counting efficiency say 80 % makes 15 W input
15 W at 141 V input makes i = 15 / 141 = 100 mA
20 uF at 60 Hz so 120 Hz so 8,3 ms between mains peaks
Q = C.U = i.t so ripple U = i.t / C = 41 Vpp

So that converter chip should at least work between 141 - 41 = 100V DC input (min US) and 339 V DC input (nominal EU)..
Seem a bit hairy to me
Well it did not even do 1 A when new at 230 V in...

What\'s in a spec?, any legal issues here?

Now that chip, on it it says
125360
OB2502PCP

google
https://www.dianyuan.com/upload/community/2017/06/21/1498016857-45025.pd

Well!!
Build in power MOSFET, no reference needed....

Will replace the 470 uF and use it for things that need less than 1 A at 12 V ...

 

[server]

On Fri, 08 Jul 2022 11:16:41 GMT, Jan Panteltje
<pNaonStpealmtje@yahoo.com> wrote:

Hardly I mentioned bad elcos in wallwarts or the next one happened

I bought this DVB-S2 satellite receiver box last year,
it came with a 12 V 1 A supply.
But always when it was moving the sat dish (drive the dish motor) it gave a big hum in the audio.
Well OK, never measured the current that I can remember my dish motor used
and as in the previous (USB) sat receiver box I had to replace the LM317 4 or 5 times before I tossed the thing
and as everything else was working, I left them the advantage of the doubt,

But now.. since yesterday, it also gave a hum when not moving on some channels
(H polarization and V polarization have different voltages to the LNB)
I went looking for a 12V wallwart in boxes full of stuff and found a big one 12 V 1.5 A..
Even the connector did fit.
No more hum, no more hum when using the dish motor either.

So.. and as 12V cable on this one was much ticker, 2 wire,
I split it in half for a small section and used the clamp-on DC meter to measure the current
Less than 850 mA even when dish moving...
So the old 1 A wallwart was not even 850 mA... when new!

Had a good look at the label:
http://panteltje.com/pub/chinese_12V_1A_what_IXIMG_0821.JPG
If you look close it does not say 1A DC, but
_____
- - -
So with free ripple let\'s say!

A look inside, and for sure this is the SMALLEST wallwart I have!!:
http://panteltje.com/pub/chinese_12V_1A_top_view_IXIMG_0822.JPG
primary bridge, 2 x 10 uF 400 V in parallel,
a small transformer,
secondary 330 uF 16 V.., diode, inductor, 470 uF 16 V
No power transistor???
http://panteltje.com/pub/chinese_12V_1A_converter_chip_IXIMG_0824.JPG
Well, dunno this chip, but 12 W output ???? No cooling? Efficiency?

It took a vice, 2 big pliers and a hammer to open this thing, still in one piece
so can put it back together, the 470 uF is clearly swollen and needs replacement.

But from 100 V to 240 V?
That means between 339 and 141 V primary on the converter.
But for 12 W out counting efficiency say 80 % makes 15 W input
15 W at 141 V input makes i = 15 / 141 = 100 mA
20 uF at 60 Hz so 120 Hz so 8,3 ms between mains peaks
Q = C.U = i.t so ripple U = i.t / C = 41 Vpp

So that converter chip should at least work between 141 - 41 = 100V DC input (min US) and 339 V DC input (nominal EU)..
Seem a bit hairy to me
Well it did not even do 1 A when new at 230 V in...

What\'s in a spec?, any legal issues here?

Now that chip, on it it says
125360
OB2502PCP

google
https://www.dianyuan.com/upload/community/2017/06/21/1498016857-45025.pd

Well!!
Build in power MOSFET, no reference needed....

Will replace the 470 uF and use it for things that need less than 1 A at 12 V ...

That doesn\'t look awful, for a cheap Chinese wart. Sounds like a cheap
Chinese electro cap failed. There are a newish generation of chips
that do the offline PFC regulation function.

We have used about 12,000 of various Phihong and MeanWell warts and
laptop-style supplies, and they have been excellent.

We are now shipping a rackmount box to a big laser facility and using
a 24v laptop supply to run it. That got around massive safety reviews
and test lab hassles that we would have had if we ran AC to the box.

https://www.dropbox.com/s/g0w848zwakq804s/T500_Small.jpg?raw=1

That uses a 65 watt 24v Phihong supply, and we switch down to various
other supplies inside.

 

[Don]

jlarkin@highlandsniptechnology.com wrote:

Jan Panteltje wrote:

Hardly I mentioned bad elcos in wallwarts or the next one happened

I bought this DVB-S2 satellite receiver box last year,
it came with a 12 V 1 A supply.
But always when it was moving the sat dish (drive the dish motor) it gave a big hum in the audio.
Well OK, never measured the current that I can remember my dish motor used
and as in the previous (USB) sat receiver box I had to replace the LM317 4 or 5 times before I tossed the thing
and as everything else was working, I left them the advantage of the doubt,

But now.. since yesterday, it also gave a hum when not moving on some channels
(H polarization and V polarization have different voltages to the LNB)
I went looking for a 12V wallwart in boxes full of stuff and found a big one 12 V 1.5 A..
Even the connector did fit.
No more hum, no more hum when using the dish motor either.

So.. and as 12V cable on this one was much ticker, 2 wire,
I split it in half for a small section and used the clamp-on DC meter to measure the current
Less than 850 mA even when dish moving...
So the old 1 A wallwart was not even 850 mA... when new!

Had a good look at the label:
http://panteltje.com/pub/chinese_12V_1A_what_IXIMG_0821.JPG
If you look close it does not say 1A DC, but
_____
- - -
So with free ripple let\'s say!

A look inside, and for sure this is the SMALLEST wallwart I have!!:
http://panteltje.com/pub/chinese_12V_1A_top_view_IXIMG_0822.JPG
primary bridge, 2 x 10 uF 400 V in parallel,
a small transformer,
secondary 330 uF 16 V.., diode, inductor, 470 uF 16 V
No power transistor???
http://panteltje.com/pub/chinese_12V_1A_converter_chip_IXIMG_0824.JPG
Well, dunno this chip, but 12 W output ???? No cooling? Efficiency?

It took a vice, 2 big pliers and a hammer to open this thing, still in one piece
so can put it back together, the 470 uF is clearly swollen and needs replacement.

But from 100 V to 240 V?
That means between 339 and 141 V primary on the converter.
But for 12 W out counting efficiency say 80 % makes 15 W input
15 W at 141 V input makes i = 15 / 141 = 100 mA
20 uF at 60 Hz so 120 Hz so 8,3 ms between mains peaks
Q = C.U = i.t so ripple U = i.t / C = 41 Vpp

So that converter chip should at least work between 141 - 41 = 100V DC input (min US) and 339 V DC input (nominal EU)..
Seem a bit hairy to me
Well it did not even do 1 A when new at 230 V in...

What\'s in a spec?, any legal issues here?

Now that chip, on it it says
125360
OB2502PCP

google
https://www.dianyuan.com/upload/community/2017/06/21/1498016857-45025.pd

Well!!
Build in power MOSFET, no reference needed....

Will replace the 470 uF and use it for things that need less than 1 A at 12 V...

That doesn\'t look awful, for a cheap Chinese wart. Sounds like a cheap
Chinese electro cap failed. There are a newish generation of chips
that do the offline PFC regulation function.

We have used about 12,000 of various Phihong and MeanWell warts and
laptop-style supplies, and they have been excellent.

We are now shipping a rackmount box to a big laser facility and using
a 24v laptop supply to run it. That got around massive safety reviews
and test lab hassles that we would have had if we ran AC to the box.

https://www.dropbox.com/s/g0w848zwakq804s/T500_Small.jpg?raw=1

That uses a 65 watt 24v Phihong supply, and we switch down to various
other supplies inside.

Excellent tear-down, Jan! Your link to the datasheet needs an \"f\" at the
end to seamlessly work:

<https://www.dianyuan.com/upload/community/2017/06/21/1498016857-45025.pdf>

Phihong also makes adequate (eg cheap, dependable) PoE injectors, John.
On the other hand, some marquee name companies seem to struggle to
provide an injector with enough oomph to power even one Wireless Access
Points (WAP).

Although PoE Texas makes a nice injector:

<https://shop.poetexas.com/collections/injectors/products/16-port-gigabit-802-3at-on-demand-poe-injector-with-power-supply-trays>

don\'t let its 16-ports fool you. At best it only reliably powers about
three WAPs.

My company\'s DIY alternative product consists of a 1U shelf:

<https://www.ebay.com/itm/184117646665>

populated with these injectors:

<https://www.ebay.com/itm/324916572361>

The DIY product enhances modularity - even the injectors are modular.
One module for power conversion and another module for injection. Such
modularity makes it easy to keep plenty of spares on hand and avoid Just
In Time like the plague it is.

Danke,

--
Don, KB7RPU, https://www.qsl.net/kb7rpu
There was a young lady named Bright Whose speed was far faster than light;
She set out one day In a relative way And returned on the previous night.

 

[Jan Panteltje]

On a sunny day (Fri, 8 Jul 2022 15:00:19 -0000 (UTC)) it happened \"Don\"
<g@crcomp.net> wrote in <20220708a@crcomp.net>:

Excellent tear-down, Jan! Your link to the datasheet needs an \"f\" at the
end to seamlessly work:

https://www.dianyuan.com/upload/community/2017/06/21/1498016857-45025.pdf

Thanks for correcting the link,
seems triple click from Chromium does not work very well.
... was reading in newsletter.gsb.bund.de that the lastest Chrome now has 14 new security issues ..
need to upgrade... ?? ;-)
8. Google Chrome: 14 Schwachstellen
Bericht und Anleitung zum Patchen bei Chip:
https://www.chip.de/news/Google-Chrome-Nutzer-aufgepasst-Neues-Update-schliesst-14-Sicherheitsluecken_184310432.html

 

[server]

On Sat, 09 Jul 2022 10:18:31 GMT, Jan Panteltje
<pNaonStpealmtje@yahoo.com> wrote:

On a sunny day (Fri, 8 Jul 2022 15:00:19 -0000 (UTC)) it happened \"Don\"
g@crcomp.net> wrote in <20220708a@crcomp.net>:

Excellent tear-down, Jan! Your link to the datasheet needs an \"f\" at the
end to seamlessly work:

https://www.dianyuan.com/upload/community/2017/06/21/1498016857-45025.pdf

Thanks for correcting the link,
seems triple click from Chromium does not work very well.
.. was reading in newsletter.gsb.bund.de that the lastest Chrome now has 14 new security issues ..
need to upgrade... ?? ;-)
8. Google Chrome: 14 Schwachstellen
Bericht und Anleitung zum Patchen bei Chip:
https://www.chip.de/news/Google-Chrome-Nutzer-aufgepasst-Neues-Update-schliesst-14-Sicherheitsluecken_184310432.html

Firefox lately wants to eat my trusty Win7 PC. It opens something like
30 processes and uses all my ram. There is an about:config fix for
that. There seems to be a new version every week or so and some of the
fixes need to be redone. Nuisance.

Welcome to the age of bloat. I wonder how much ram the Star Trek
computer used.

Ironic that things like wall warts keep getting simpler and more
reliable and software goes the opposite way.

 

[Jan Panteltje]

On a sunny day (Sat, 09 Jul 2022 07:05:56 -0700) it happened
jlarkin@highlandsniptechnology.com wrote in
<ob2jchpddsm0s031bmckdibdn1ge5fghfk@4ax.com>:

On Sat, 09 Jul 2022 10:18:31 GMT, Jan Panteltje
pNaonStpealmtje@yahoo.com> wrote:

On a sunny day (Fri, 8 Jul 2022 15:00:19 -0000 (UTC)) it happened \"Don\"
g@crcomp.net> wrote in <20220708a@crcomp.net>:

Excellent tear-down, Jan! Your link to the datasheet needs an \"f\" at the
end to seamlessly work:

https://www.dianyuan.com/upload/community/2017/06/21/1498016857-45025.pdf

Thanks for correcting the link,
seems triple click from Chromium does not work very well.
.. was reading in newsletter.gsb.bund.de that the lastest Chrome now has 14 new security issues ..
need to upgrade... ?? ;-)
8. Google Chrome: 14 Schwachstellen
Bericht und Anleitung zum Patchen bei Chip:
https://www.chip.de/news/Google-Chrome-Nutzer-aufgepasst-Neues-Update-schliesst-14-Sicherheitsluecken_184310432.html





Firefox lately wants to eat my trusty Win7 PC. It opens something like
30 processes and uses all my ram. There is an about:config fix for
that. There seems to be a new version every week or so and some of the
fixes need to be redone. Nuisance.

Welcome to the age of bloat. I wonder how much ram the Star Trek
computer used.

Ironic that things like wall warts keep getting simpler and more
reliable and software goes the opposite way.

Who was it that said: \"Things should be as simple as possible, but not simpler than that\"?
I still use my own Usenet newsreader I wrote around year 2000 or so.
As long as they do not change spec its fine.

All the hacking and security hype changes internet into a stress zone.

 

[server]

On Sun, 10 Jul 2022 06:52:59 GMT, Jan Panteltje
<pNaonStpealmtje@yahoo.com> wrote:

On a sunny day (Sat, 09 Jul 2022 07:05:56 -0700) it happened
jlarkin@highlandsniptechnology.com wrote in
ob2jchpddsm0s031bmckdibdn1ge5fghfk@4ax.com>:

On Sat, 09 Jul 2022 10:18:31 GMT, Jan Panteltje
pNaonStpealmtje@yahoo.com> wrote:

On a sunny day (Fri, 8 Jul 2022 15:00:19 -0000 (UTC)) it happened \"Don\"
g@crcomp.net> wrote in <20220708a@crcomp.net>:

Excellent tear-down, Jan! Your link to the datasheet needs an \"f\" at the
end to seamlessly work:

https://www.dianyuan.com/upload/community/2017/06/21/1498016857-45025.pdf

Thanks for correcting the link,
seems triple click from Chromium does not work very well.
.. was reading in newsletter.gsb.bund.de that the lastest Chrome now has 14 new security issues ..
need to upgrade... ?? ;-)
8. Google Chrome: 14 Schwachstellen
Bericht und Anleitung zum Patchen bei Chip:
https://www.chip.de/news/Google-Chrome-Nutzer-aufgepasst-Neues-Update-schliesst-14-Sicherheitsluecken_184310432.html





Firefox lately wants to eat my trusty Win7 PC. It opens something like
30 processes and uses all my ram. There is an about:config fix for
that. There seems to be a new version every week or so and some of the
fixes need to be redone. Nuisance.

Welcome to the age of bloat. I wonder how much ram the Star Trek
computer used.

Ironic that things like wall warts keep getting simpler and more
reliable and software goes the opposite way.

Who was it that said: \"Things should be as simple as possible, but not simpler than that\"?

Einstein, about theories.

I still use my own Usenet newsreader I wrote around year 2000 or so.
As long as they do not change spec its fine.

All the hacking and security hype changes internet into a stress zone.

IBM made a tragic mistake when they selected Microsoft and Intel for
the PC.

 

[Jan Panteltje]

On a sunny day (Sun, 10 Jul 2022 06:31:30 -0700) it happened
jlarkin@highlandsniptechnology.com wrote in
<q1llchhn0sije7a13qp8975vdeioid5qo4@4ax.com>:

On Sun, 10 Jul 2022 06:52:59 GMT, Jan Panteltje
pNaonStpealmtje@yahoo.com> wrote:

On a sunny day (Sat, 09 Jul 2022 07:05:56 -0700) it happened
jlarkin@highlandsniptechnology.com wrote in
ob2jchpddsm0s031bmckdibdn1ge5fghfk@4ax.com>:

On Sat, 09 Jul 2022 10:18:31 GMT, Jan Panteltje
pNaonStpealmtje@yahoo.com> wrote:

On a sunny day (Fri, 8 Jul 2022 15:00:19 -0000 (UTC)) it happened \"Don\"
g@crcomp.net> wrote in <20220708a@crcomp.net>:

Excellent tear-down, Jan! Your link to the datasheet needs an \"f\" at the
end to seamlessly work:

https://www.dianyuan.com/upload/community/2017/06/21/1498016857-45025.pdf

Thanks for correcting the link,
seems triple click from Chromium does not work very well.
.. was reading in newsletter.gsb.bund.de that the lastest Chrome now has 14 new security issues ..
need to upgrade... ?? ;-)
8. Google Chrome: 14 Schwachstellen
Bericht und Anleitung zum Patchen bei Chip:
https://www.chip.de/news/Google-Chrome-Nutzer-aufgepasst-Neues-Update-schliesst-14-Sicherheitsluecken_184310432.html





Firefox lately wants to eat my trusty Win7 PC. It opens something like
30 processes and uses all my ram. There is an about:config fix for
that. There seems to be a new version every week or so and some of the
fixes need to be redone. Nuisance.

Welcome to the age of bloat. I wonder how much ram the Star Trek
computer used.

Ironic that things like wall warts keep getting simpler and more
reliable and software goes the opposite way.

Who was it that said: \"Things should be as simple as possible, but not simpler than that\"?

Einstein, about theories.

I still use my own Usenet newsreader I wrote around year 2000 or so.
As long as they do not change spec its fine.

All the hacking and security hype changes internet into a stress zone.

IBM made a tragic mistake when they selected Microsoft and Intel for
the PC.

Not sure that was bad..
what changed things for the worse was when Microsoft integrated the GUI with the multitasking kernel.
I remember running win 3.1 on top of DRDOS (Digital Research DOS) and Trumpet Winsock to go online...
MS was afraid of the competition and then integrated the GUI...

Now Linux is in every small device you can imagine, often no GUI needed, but X11 is available,
and gcc was a free compiler.
Found a CD with SLS Linux that came with a magazine in 1998 and that was it for me, no going back to MS.
But Linux is getting ever more bloated .. too, many things that run when I type \'ps avx\' I do not really know
how those work or what those do, dbus (introduced by RatHead) made an ever more complex mess.
So back to BSD Linux perhaps...
I like the small micros, PICs now those become ever more powerful
have integrated ADCs and DACs, all sort of interfaces, PWM out, and PICs are cheap, using more than one
in one project is no problem.
And then there is FPGA, make you own processor if you want, all glue hardware is there..

Was just watching Wimbledon final on TV..
Am working on some solar project here now, just ordered some extra panels, 300 W extra flexible that
can also be glued on a boat..
There is sort of panic about power now in this part of Europe, fear that Russia may cut gas to Europe altogether,
cannot blame them after all the silly sanctions, but when it starts freezing and no gas no heating
no nuclear plants (*Germany and over here now also delayed building more) and the water pipes freeze too I see BIG problems.
Having some electrickety and big battery backups allow you to boil water and use the microwave to cook.
My garden is big, plenty of space for solar panels, so why not, 30 degrees C predicted for next week..
If not.. sail away south to where the butter melts in the winter..

 

[server]

On Sun, 10 Jul 2022 16:53:16 GMT, Jan Panteltje
<pNaonStpealmtje@yahoo.com> wrote:

On a sunny day (Sun, 10 Jul 2022 06:31:30 -0700) it happened
jlarkin@highlandsniptechnology.com wrote in
q1llchhn0sije7a13qp8975vdeioid5qo4@4ax.com>:

On Sun, 10 Jul 2022 06:52:59 GMT, Jan Panteltje
pNaonStpealmtje@yahoo.com> wrote:

On a sunny day (Sat, 09 Jul 2022 07:05:56 -0700) it happened
jlarkin@highlandsniptechnology.com wrote in
ob2jchpddsm0s031bmckdibdn1ge5fghfk@4ax.com>:

On Sat, 09 Jul 2022 10:18:31 GMT, Jan Panteltje
pNaonStpealmtje@yahoo.com> wrote:

On a sunny day (Fri, 8 Jul 2022 15:00:19 -0000 (UTC)) it happened \"Don\"
g@crcomp.net> wrote in <20220708a@crcomp.net>:

Excellent tear-down, Jan! Your link to the datasheet needs an \"f\" at the
end to seamlessly work:

https://www.dianyuan.com/upload/community/2017/06/21/1498016857-45025.pdf

Thanks for correcting the link,
seems triple click from Chromium does not work very well.
.. was reading in newsletter.gsb.bund.de that the lastest Chrome now has 14 new security issues ..
need to upgrade... ?? ;-)
8. Google Chrome: 14 Schwachstellen
Bericht und Anleitung zum Patchen bei Chip:
https://www.chip.de/news/Google-Chrome-Nutzer-aufgepasst-Neues-Update-schliesst-14-Sicherheitsluecken_184310432.html





Firefox lately wants to eat my trusty Win7 PC. It opens something like
30 processes and uses all my ram. There is an about:config fix for
that. There seems to be a new version every week or so and some of the
fixes need to be redone. Nuisance.

Welcome to the age of bloat. I wonder how much ram the Star Trek
computer used.

Ironic that things like wall warts keep getting simpler and more
reliable and software goes the opposite way.

Who was it that said: \"Things should be as simple as possible, but not simpler than that\"?

Einstein, about theories.

I still use my own Usenet newsreader I wrote around year 2000 or so.
As long as they do not change spec its fine.

All the hacking and security hype changes internet into a stress zone.

IBM made a tragic mistake when they selected Microsoft and Intel for
the PC.


Not sure that was bad..
what changed things for the worse was when Microsoft integrated the GUI with the multitasking kernel.

NT was good, authored by the VMS guy, until morons broke it. That\'s in
the book: Showstopper

But really, x86 is barbaric. When in doubt (code, data, stack,
buffers) execute it.

I remember running win 3.1 on top of DRDOS (Digital Research DOS) and Trumpet Winsock to go online...
MS was afraid of the competition and then integrated the GUI...

Now Linux is in every small device you can imagine, often no GUI needed, but X11 is available,
and gcc was a free compiler.
Found a CD with SLS Linux that came with a magazine in 1998 and that was it for me, no going back to MS.
But Linux is getting ever more bloated .. too, many things that run when I type \'ps avx\' I do not really know
how those work or what those do, dbus (introduced by RatHead) made an ever more complex mess.
So back to BSD Linux perhaps...
I like the small micros, PICs now those become ever more powerful
have integrated ADCs and DACs, all sort of interfaces, PWM out, and PICs are cheap, using more than one
in one project is no problem.
And then there is FPGA, make you own processor if you want, all glue hardware is there..

Was just watching Wimbledon final on TV..
Am working on some solar project here now, just ordered some extra panels, 300 W extra flexible that
can also be glued on a boat..
There is sort of panic about power now in this part of Europe, fear that Russia may cut gas to Europe altogether,
cannot blame them after all the silly sanctions, but when it starts freezing and no gas no heating
no nuclear plants (*Germany and over here now also delayed building more) and the water pipes freeze too I see BIG problems.
Having some electrickety and big battery backups allow you to boil water and use the microwave to cook.
My garden is big, plenty of space for solar panels, so why not, 30 degrees C predicted for next week..
If not.. sail away south to where the butter melts in the winter..

We can survive here without power for a while; it never freezes. I
have a little propane BBQ.

We had a few days without power after the 1989 earthquake. First thing
was an ice cream party with the neighbors.

 

[Jan Panteltje]

On a sunny day (Sun, 10 Jul 2022 10:28:34 -0700) it happened
jlarkin@highlandsniptechnology.com wrote in
<8g2mch1h56p79ppg617ltbpqnhi334vofv@4ax.com>:

We can survive here without power for a while; it never freezes. I
have a little propane BBQ.

We had a few days without power after the 1989 earthquake. First thing
was an ice cream party with the neighbors.

Yes, fridge needs power too...

 

[Jan Panteltje]

On a sunny day (Sun, 10 Jul 2022 10:28:34 -0700) it happened
jlarkin@highlandsniptechnology.com wrote in
<8g2mch1h56p79ppg617ltbpqnhi334vofv@4ax.com>:

We can survive here without power for a while; it never freezes. I
have a little propane BBQ.

Solar panels arrived today. amazing everything is in short supply but these not..
Three 100 W flexible panels so 300 W on the grass in the garden, quite a bit of power.
Came with cables and charge controller...

 

[server]

On Wed, 13 Jul 2022 14:47:29 GMT, Jan Panteltje
<pNaonStpealmtje@yahoo.com> wrote:

On a sunny day (Sun, 10 Jul 2022 10:28:34 -0700) it happened
jlarkin@highlandsniptechnology.com wrote in
8g2mch1h56p79ppg617ltbpqnhi334vofv@4ax.com>:

We can survive here without power for a while; it never freezes. I
have a little propane BBQ.

Solar panels arrived today. amazing everything is in short supply but these not..
Three 100 W flexible panels so 300 W on the grass in the garden, quite a bit of power.
Came with cables and charge controller...

Europe may be facing a serious energy shortage this winter. Some solar
and batteries and LED lighting would help, but it won\'t keep your
house warm.

 

[Anthony William Sloman]

On Thursday, July 14, 2022 at 1:42:47 AM UTC+10, jla...@highlandsniptechnology.com wrote:

On Wed, 13 Jul 2022 14:47:29 GMT, Jan Panteltje <pNaonSt...@yahoo.com> wrote:
On a sunny day (Sun, 10 Jul 2022 10:28:34 -0700) it happened jla...@highlandsniptechnology.com wrote in <8g2mch1h56p79ppg6...@4ax.com>:

We can survive here without power for a while; it never freezes. I
have a little propane BBQ.

Solar panels arrived today. amazing everything is in short supply but these not..
Three 100 W flexible panels so 300 W on the grass in the garden, quite a bit of power.
Came with cables and charge controller...

Europe may be facing a serious energy shortage this winter. Some solar
and batteries and LED lighting would help, but it won\'t keep your
house warm.

That depends on the house. Super-insulated houses don\'t need much heat at all to stay warm.

https://en.wikipedia.org/wiki/Superinsulation

\"The house is heated primarily by waste heat from appliances and the occupants\"

--
Bill Sloman, Sydney