RGB LED

fredag den 1. november 2019 kl. 02.05.05 UTC+1 skrev jla...@highlandsniptechnology.com:
On Thu, 31 Oct 2019 16:16:05 GMT, Jan Panteltje
pNaOnStPeAlMtje@yahoo.com> wrote:

On a sunny day (Thu, 31 Oct 2019 07:43:14 -0700) it happened
jlarkin@highlandsniptechnology.com wrote in
f7slret7697mkhpf58hpnvv2qbq15tt8f8@4ax.com>:

On Thu, 31 Oct 2019 11:22:08 GMT, Jan Panteltje
pNaOnStPeAlMtje@yahoo.com> wrote:

On a sunny day (Thu, 31 Oct 2019 02:11:16 -0700 (PDT)) it happened Lasse
Langwadt Christensen <langwadt@fonz.dk> wrote in
19c3d163-87b5-496e-a4a6-5b5124c208ab@googlegroups.com>:


not quite, it is burst of ~800kHz with a different duty cycle for 0 and 1

an example: https://cdn-shop.adafruit.com/product-files/1138/SK6812+LED+datasheet+.pdf

That is some amazing writing.


you'd prefer it in Chinese? ;)

mm, ;-)
One thing I noticed when driving RGB LED strips is that when you run the Red
Green and Blue LEDs from a different PWM clock, then you can very strange optical
effects.
I had to fix it for my ethernet LED controller,
it has 3 PICs, one for each color, and had to connect the PIC clocks all to the same source.
It seems for this thing the LED PWM is generated in the LED module,
so maybe test a few together before buying a thousand...
http://panteltje.com/panteltje/pic/ethernet_color_pic/
Changes in version 0.6
Thing is on all the time... Can even do disco lights,,

I can sort of almost resolve parts of that.

Yea, well I hope it stays working so I do not have to decipher my own scribblings.



Chinese .. China will soon take over the west of the US and Russia the east.
I think the main language will be Chinese in LA and Frisco ...
Block diagram is from left to right, same with my Chinese DVB-T2 tuner, remote
select works from left to right..

The 2nd language here is Spanish. There are multiple versions of
spoken "Chinese." My various Spanish-speaking employees, from all over
the world, say they can communicate fine. One of my engineers is from
northern Mexico, one from Peru, and they chatter away in Spanish. I
never hear the Asians speaking anything but English.

Spanish, Portuguese is not that far of from our languages, also writing,
but Chinese Mandarin is for me still a no go.
I started on Chinese, but really I would have to live there some years
I think and get language lessons there,,,

Today the first F35 we bought from the US landed here,
whole top brass was there, it is just miles away, flew over here,
http://panteltje.com/pub/first_F35_lands_at_Leeuwarden_airport_IXIMG_0212.JPG
http://panteltje.com/pub/first_F35_pilot_IXIMG_0225.JPG
did not go but was live on local TV:
http://panteltje.com/pub/first_F35_from_TV_IMXIMG_0211.JPG

Think it caught fire ;-) fire guys sprayed it, maybe that was welcome?
http://panteltje.com/pub/first_F35_was_on_fire_it_seems_IXIMG_0228.JPG

Anyways, so much for 'stealth', I was reading we get 34 of these here,
oh what fun, better get a helmet,
But great to test my tracking system, passive radar should work, IR should work
sound with pattern recognition should work..
I think it is the dumbest plane I have ever seen.

The vertical takeoff is cool. A huge aircraft carrier is a giant,
expensive target. One could distribute a lot of F35s among a lot of
small LHA-type ships.

But I'm thinking that piloted planes will be obsolete.


So, and I was also reading US army has adopted Microsoft...
Now the world had won, I do remember a blue screen and a war ship needing
towing back to base...

Not that Linux is perfect, been fighting with the latest changes all day...
Some people like fixing things in Unix and than making a monster like Ms-Windows.
But.. I have my news-reader working on a Raspberry Pi 4 now.
There are a hundred or so more applications I wrote that have to be recompiled from source,
OK :)


What's funny is that all sorts of packaged foods and veggies here have
the labels in two languages, English and French.

Yes, when UK leaves EU (IF??) then English will no longer be used here,
German and French I think. Spanish a bit too.

English somehow became the universal language. Most of the europeans
that I've worked with spoke excellent English.

here they we have English in school, I think now from first grade,
back when I was in school I think 4th grade

and almost nothing on TV/cinema is dubbed, instead is has subtitles

We have friends, a married-couple, Swedish and French. They speak
English to one another. They are trying to teach their kids all three,
which is interesting.

If I speak to a Swede it'll probably be in English because it is easier
 
On Thu, 31 Oct 2019 16:16:05 GMT, Jan Panteltje
<pNaOnStPeAlMtje@yahoo.com> wrote:

On a sunny day (Thu, 31 Oct 2019 07:43:14 -0700) it happened
jlarkin@highlandsniptechnology.com wrote in
f7slret7697mkhpf58hpnvv2qbq15tt8f8@4ax.com>:

On Thu, 31 Oct 2019 11:22:08 GMT, Jan Panteltje
pNaOnStPeAlMtje@yahoo.com> wrote:

On a sunny day (Thu, 31 Oct 2019 02:11:16 -0700 (PDT)) it happened Lasse
Langwadt Christensen <langwadt@fonz.dk> wrote in
19c3d163-87b5-496e-a4a6-5b5124c208ab@googlegroups.com>:


not quite, it is burst of ~800kHz with a different duty cycle for 0 and 1

an example: https://cdn-shop.adafruit.com/product-files/1138/SK6812+LED+datasheet+.pdf

That is some amazing writing.


you'd prefer it in Chinese? ;)

mm, ;-)
One thing I noticed when driving RGB LED strips is that when you run the Red
Green and Blue LEDs from a different PWM clock, then you can very strange optical
effects.
I had to fix it for my ethernet LED controller,
it has 3 PICs, one for each color, and had to connect the PIC clocks all to the same source.
It seems for this thing the LED PWM is generated in the LED module,
so maybe test a few together before buying a thousand...
http://panteltje.com/panteltje/pic/ethernet_color_pic/
Changes in version 0.6
Thing is on all the time... Can even do disco lights,,

I can sort of almost resolve parts of that.

Yea, well I hope it stays working so I do not have to decipher my own scribblings.



Chinese .. China will soon take over the west of the US and Russia the east.
I think the main language will be Chinese in LA and Frisco ...
Block diagram is from left to right, same with my Chinese DVB-T2 tuner, remote
select works from left to right..

The 2nd language here is Spanish. There are multiple versions of
spoken "Chinese." My various Spanish-speaking employees, from all over
the world, say they can communicate fine. One of my engineers is from
northern Mexico, one from Peru, and they chatter away in Spanish. I
never hear the Asians speaking anything but English.

Spanish, Portuguese is not that far of from our languages, also writing,
but Chinese Mandarin is for me still a no go.
I started on Chinese, but really I would have to live there some years
I think and get language lessons there,,,

Today the first F35 we bought from the US landed here,
whole top brass was there, it is just miles away, flew over here,
http://panteltje.com/pub/first_F35_lands_at_Leeuwarden_airport_IXIMG_0212.JPG
http://panteltje.com/pub/first_F35_pilot_IXIMG_0225.JPG
did not go but was live on local TV:
http://panteltje.com/pub/first_F35_from_TV_IMXIMG_0211.JPG

Think it caught fire ;-) fire guys sprayed it, maybe that was welcome?
http://panteltje.com/pub/first_F35_was_on_fire_it_seems_IXIMG_0228.JPG

Anyways, so much for 'stealth', I was reading we get 34 of these here,
oh what fun, better get a helmet,
But great to test my tracking system, passive radar should work, IR should work
sound with pattern recognition should work..
I think it is the dumbest plane I have ever seen.

The vertical takeoff is cool. A huge aircraft carrier is a giant,
expensive target. One could distribute a lot of F35s among a lot of
small LHA-type ships.

But I'm thinking that piloted planes will be obsolete.

So, and I was also reading US army has adopted Microsoft...
Now the world had won, I do remember a blue screen and a war ship needing
towing back to base...

Not that Linux is perfect, been fighting with the latest changes all day...
Some people like fixing things in Unix and than making a monster like Ms-Windows.
But.. I have my news-reader working on a Raspberry Pi 4 now.
There are a hundred or so more applications I wrote that have to be recompiled from source,
OK :)


What's funny is that all sorts of packaged foods and veggies here have
the labels in two languages, English and French.

Yes, when UK leaves EU (IF??) then English will no longer be used here,
German and French I think. Spanish a bit too.

English somehow became the universal language. Most of the europeans
that I've worked with spoke excellent English.

We have friends, a married-couple, Swedish and French. They speak
English to one another. They are trying to teach their kids all three,
which is interesting.

Look at Street View all over the world. So much signage is in English.
I tried to buy The Brat a japanese-language baseball cap when I was in
Japan, but all the team names are in English.



--

John Larkin Highland Technology, Inc

lunatic fringe electronics
 
On a sunny day (Thu, 31 Oct 2019 18:42:30 -0700 (PDT)) it happened Lasse
Langwadt Christensen <langwadt@fonz.dk> wrote in
<4813180d-efe5-47c9-95b1-272bfd53dbe6@googlegroups.com>:

here they we have English in school, I think now from first grade,
back when I was in school I think 4th grade

and almost nothing on TV/cinema is dubbed, instead is has subtitles

Yes Netherlands is also subtitled,
but all I see from Germany, a much bigger part of the European population,
ALL movies are German voice over.

We have friends, a married-couple, Swedish and French. They speak
English to one another. They are trying to teach their kids all three,
which is interesting.

If I speak to a Swede it'll probably be in English because it is easier

Yes same here, as I speak not a word Swedish...
 
On a sunny day (Thu, 31 Oct 2019 18:04:57 -0700) it happened
jlarkin@highlandsniptechnology.com wrote in
<el0nre5bab1vn5u241t5087a3njs4rq8e9@4ax.com>:

English somehow became the universal language. Most of the europeans
that I've worked with spoke excellent English.

We have friends, a married-couple, Swedish and French. They speak
English to one another. They are trying to teach their kids all three,
which is interesting.

Look at Street View all over the world. So much signage is in English.
I tried to buy The Brat a japanese-language baseball cap when I was in
Japan, but all the team names are in English.

It is a time thing
When I grew up in kindergarten we got: French
No English at all till high-school.

The pendulum swings, history
I was thinking this morning maybe in time English will only
be used by electronics freaks, as now Latin is used by medical people..
My Russian is zero, with your Precedent looks like I have to work on that ;-)
 
On 01/11/19 01:04, jlarkin@highlandsniptechnology.com wrote:
We have friends, a married-couple, Swedish and French. They speak
English to one another. They are trying to teach their kids all three,
which is interesting.

MY parents knew a family where the mother was German
and the father Egyptian, and they met while studying
in England.

The kids flipped seamlessly between German, Arabic and
English depending on the audience.
 
Have you tried the RGB LEDs that have 4 wires and data in, data out ,
driven by a microcontroller? They're fun... + software controlled
brightness...

Is that an SPI link?


not quite, it is burst of ~800kHz with a different duty cycle for 0 and 1

an example: https://cdn-shop.adafruit.com/product-files/1138/SK6812+LED+datasheet+.pdf

That is some amazing writing.
I got some super efficient assembly codes written for these with Atmel
processor...

--
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus
 
On Fri, 1 Nov 2019 08:56:45 +0000, Tom Gardner
<spamjunk@blueyonder.co.uk> wrote:

On 01/11/19 01:04, jlarkin@highlandsniptechnology.com wrote:
We have friends, a married-couple, Swedish and French. They speak
English to one another. They are trying to teach their kids all three,
which is interesting.

MY parents knew a family where the mother was German
and the father Egyptian, and they met while studying
in England.

My friends met on vacation in Spain. And wound up in California
somehow. He designs cubesats.

The kids flipped seamlessly between German, Arabic and
English depending on the audience.

Apparently the kids get very confused at first, then work it out and
are nicely tri-lingual.



--

John Larkin Highland Technology, Inc

lunatic fringe electronics
 
On Thursday, October 31, 2019 at 10:33:17 AM UTC-4, John Larkin wrote...
But what am I to do about the cat?

Is it an Analog or a Digital cat? ;-)
 
On Fri, 1 Nov 2019 14:33:20 -0700 (PDT), Michael Terrell
<terrell.michael.a@gmail.com> wrote:

On Thursday, October 31, 2019 at 10:33:17 AM UTC-4, John Larkin wrote...

But what am I to do about the cat?


Is it an Analog or a Digital cat? ;-)

Analog, monochrome, old cat.

--

John Larkin Highland Technology, Inc
picosecond timing precision measurement

jlarkin att highlandtechnology dott com
http://www.highlandtechnology.com
 
On Friday, November 1, 2019 at 6:32:45 PM UTC-4, John Larkin wrote:
On Fri, 1 Nov 2019 14:33:20 -0700 (PDT), Michael Terrell wrote:

On Thursday, October 31, 2019 at 10:33:17 AM UTC-4, John Larkin wrote...

But what am I to do about the cat?


Is it an Analog or a Digital cat? ;-)

Analog, monochrome, old cat.

Coal fired, or natural gas? :)
 
John Larkin wrote...
On 1 Nov 2019, Michael Terrell wrote:
On October 31, 2019, John Larkin wrote...

But what am I to do about the cat?

Is it an Analog or a Digital cat? ;-)

Analog, monochrome, old cat.

You need to check his CPAP machine.


--
Thanks,
- Win
 
On 2019-10-30, John Larkin <jlarkin@highland_atwork_technology.com> wrote:
On Wed, 30 Oct 2019 22:39:44 +0000, TTman <kraken.sankey@gmail.com
wrote:

On 30/10/2019 15:33, jlarkin@highlandsniptechnology.com wrote:
This seems to be a multi-vendor common footprint for RGB LEDs, a PLCC6
package. It's nice in that the diode connections are independent, so
one can use any handy drive circuit. The blues generally need more
voltage.

https://www.dropbox.com/s/dem8abfzwryw78l/Cree_RGB.png?raw=1

https://www.dropbox.com/s/gqzruatzo6j7sg8/Cree_PLCC6_RGB.JPG?raw=1



Have you tried the RGB LEDs that have 4 wires and data in, data out ,
driven by a microcontroller? They're fun... + software controlled
brightness...

Is that an SPI link?

no a sort of 2 value PWM code / async 1-bit serial depending on how you think
of it. SPI could de converted with a few passives but the bit rate is
critical.

search "WS2812"

--
When I tried casting out nines I made a hash of it.
 

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