Where is Elm-Chan's Web page?

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The originator of the very good FATFS file system is Elm-Chan, but his web site elm-chan.org seems to have disappeared. If you type in that URL you get an Apcahe 2 test page and no other references to elm-chan seem to work.

Does anyone know if he has gone off-line and taken down his web site?

More specifically has anyone modified FATFS to accept an SD card block size of 1024 bytes, rather than the default of 512?

Thanks.

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This http://elm-chan.org/ worked for me.
Any more tough ones?

Roger

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polecat wrote:
This http://elm-chan.org/ worked for me.
Any more tough ones?

Roger

Oddly, it works for me using Firefox or Chrome, but not in IE 9. I tried emptying my IE9 cache but it still didn't work. Anyway, for now I'll just use Firefox or Chrome.

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This might provide a clue:

Post by Bingo600 eln-chan.org - Gone ? Oct 31, 2011

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Same here, it doesn't work with IE9.

Sid

Life... is a state of mind

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IE9 does not work with a lot of webpages. migrate back to IE8 and go forward and prosper

I would rather attempt something great and fail, than attempt nothing and succeed - Fortune Cookie

 

"The critical shortage here is not stuff, but time." - Johan Ekdahl

 

"Step N is required before you can do step N+1!" - ka7ehk

 

"If you want a career with a known path - become an undertaker. Dead people don't sue!" - Kartman

"Why is there a "Highway to Hell" and only a "Stairway to Heaven"? A prediction of the expected traffic load?"  - Lee "theusch"

 

Speak sweetly. It makes your words easier to digest when at a later date you have to eat them ;-)  - Source Unknown

Please Read: Code-of-Conduct

Atmel Studio6.2/AS7, DipTrace, Quartus, MPLAB, RSLogix user

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jgmdesign wrote:
IE9 does not work with a lot of webpages. migrate back to IE8 and go forward and prosper

I'm quite happy with IE9. I guess you frequent other web pages than I do.

Sid

Life... is a state of mind

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ChaunceyGardiner wrote:
jgmdesign wrote:
IE9 does not work with a lot of webpages. migrate back to IE8 and go forward and prosper

I'm quite happy with IE9. I guess you frequent other web pages than I do.

:shock:
How can you be happy with IE9 when it simply doesn't want to show http://elm-chan.org/ ??

A GIF is worth a thousend words   They are called Rosa, Sylvia, Tessa and Tina, You can find them https://www.linuxmint.com/

Dragon broken ? http://aplomb.nl/TechStuff/Dragon/Dragon.html for how-to-fix tips

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There is no accounting for bad taste.

Ross McKenzie ValuSoft Melbourne Australia

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Plons wrote:
How can you be happy with IE9 when it simply doesn't want to show http://elm-chan.org/ ??

It's the other way around. elm-chan.org doesn't want to display its contents to people using IE9.

So be it, I can live without it. I don't give in to blackmail.

Sid

Life... is a state of mind

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Quote:
It's the other way around. elm-chan.org doesn't want to display its contents to people using IE9.
Now you got me puzzled :lol: Seriously, did Chan do some web-page hocus pocus to prevent IE9-users to read his page ??? I am just asking, no sarcasm or so.

A GIF is worth a thousend words   They are called Rosa, Sylvia, Tessa and Tina, You can find them https://www.linuxmint.com/

Dragon broken ? http://aplomb.nl/TechStuff/Dragon/Dragon.html for how-to-fix tips

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I just had a look at the HTML I can see nothing there that is determining browser and deliberately avoiding IE9. It looks like simple, standard HTML and if IE9 cannot render it then M$ should be ashamed.

I would try IE9 but my OS (XP-SP3) apparently is not up to the task.

Last Edited: Thu. Mar 29, 2012 - 11:14 AM
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Quote:

It looks like simple, standard HTML

Send it through a HTML verifyer, and see what you get.

E.g. http://validator.w3.org/ reports

Quote:
1 Error, 3 warning(s)

for http://elm-chan.org/

As of January 15, 2018, Site fix-up work has begun! Now do your part and report any bugs or deficiencies here

No guarantees, but if we don't report problems they won't get much of  a chance to be fixed! Details/discussions at link given just above.

 

"Some questions have no answers."[C Baird] "There comes a point where the spoon-feeding has to stop and the independent thinking has to start." [C Lawson] "There are always ways to disagree, without being disagreeable."[E Weddington] "Words represent concepts. Use the wrong words, communicate the wrong concept." [J Morin] "Persistence only goes so far if you set yourself up for failure." [Kartman]

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Quote:

1 Error, 3 warning(s)

I just tried www.avrfreaks.net
Quote:
38 Errors, 100 warning(s)

:lol:

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Plons wrote:
Quote:
It's the other way around. elm-chan.org doesn't want to display its contents to people using IE9.
Now you got me puzzled :lol: Seriously, did Chan do some web-page hocus pocus to prevent IE9-users to read his page ??? I am just asking, no sarcasm or so.

The page displays okay in IE9. It's just that it is an "Apache 2 Test Page", powered by CentOS no less.

Sid

Life... is a state of mind

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clawson wrote:
I just had a look at the HTML I can see nothing there that is determining browser and deliberately avoiding IE9. It looks like simple, standard HTML and if IE9 cannot render it then M$ should be ashamed.

Does it occur to you that they may send different HTML depending on which browser you use ?

Sid

Life... is a state of mind

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I used Telnet to open 80 on elm-chan.org and:

GET / HTTP / 1.1
host: elm-chan.org
user-agent: ...

Setting user-agent to be that for both Firefox 9 and IE9 and it returned exactly the same HTML

(this site does not let you post a valid GET request so I introduced spaces above)

Firefox:

Trying 210.188.235.107...
Connected to elm-chan.org.
Escape character is '^]'.
GET / HTTP / 1.1
host: elm-chan.org
user-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.8.1.6) Gecko/20070725 Firefox/2.0.0.6

HTTP / 1.1 200 OK
Date: Thu, 29 Mar 2012 12:01:32 GMT
Server: Apache/2.0.52 (CentOS)
Accept-Ranges: bytes
Connection: close
Transfer-Encoding: chunked
Content-Type: text/html

etc.

IE9

Trying 210.188.235.107...
Connected to elm-chan.org.
Escape character is '^]'.
GET / HTTP / 1.1
host: elm-chan.org                       
user-agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/5.0)

HTTP / 1.1 200 OK
Date: Thu, 29 Mar 2012 12:03:35 GMT
Server: Apache/2.0.52 (CentOS)
Accept-Ranges: bytes
Connection: close
Transfer-Encoding: chunked
Content-Type: text/html


etc.

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Quote:

Does it occur to you that they may send different HTML depending on which browser you use ?

To me, yes. My remark on the errors was that one should not trust ones eyes and brains for validating HTML. At least I do not trust my eyes and my brain :D.

As of January 15, 2018, Site fix-up work has begun! Now do your part and report any bugs or deficiencies here

No guarantees, but if we don't report problems they won't get much of  a chance to be fixed! Details/discussions at link given just above.

 

"Some questions have no answers."[C Baird] "There comes a point where the spoon-feeding has to stop and the independent thinking has to start." [C Lawson] "There are always ways to disagree, without being disagreeable."[E Weddington] "Words represent concepts. Use the wrong words, communicate the wrong concept." [J Morin] "Persistence only goes so far if you set yourself up for failure." [Kartman]

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I think you're both very thorough, but I feel pretty darn confident that IE9 doesn't just take that Apache 2 Test Page out of thin air.

(As for validating HTML, I think that's something any web site owner should take care of - it's relatively easy and it doesn't take a long time if you didn't start out with a rotten page to begin with. Sometimes, a perfectly validated page will fail validation later on when they improve the validator though.)

Sid

Life... is a state of mind

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Quote:

but I feel pretty darn confident that IE9 doesn't just take that Apache 2 Test Page out of thin air.

What is the UA string? I can get the Apache2 test page if I Telnet and use an invalid user-agent string.

This page talks about IE9s UA string and a "compatibility mode" which suggests it can be changed:

http://blogs.msdn.com/b/ie/archi...

Here's a couple more telnets (this board is really annoying because, like % signs it won't let you post a valid GET string and it won't let you post some HTML):

no UA string:

Trying 210.188.235.107...
Connected to elm-chan.org.
Escape character is '^]'.
GET / HTTP / 1.1
host: elm-chan.org

HTTP / 1.1 403 Forbidden
Date: Thu, 29 Mar 2012 12:36:42 GMT
Server: Apache/2.0.52 (CentOS)
Accept-Ranges: bytes
Content-Length: 5044
Connection: close
Content-Type: text/html

{!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"}
        {head}
                {title}Apache HTTP Server Test Page powered by CentOS{/title}
                {meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /}
                {style type="text/css"}

corrupt UA string:

Trying 210.188.235.107...
Connected to elm-chan.org.
Escape character is '^]'.
GET / HTTP / 1.1
host: elm-chan.org
user-agent: complete bollocks 

HTTP / 1.1 200 OK
Date: Thu, 29 Mar 2012 12:39:28 GMT
Server: Apache/2.0.52 (CentOS)
Accept-Ranges: bytes
Connection: close
Transfer-Encoding: chunked
Content-Type: text/html

0

A 1.0 request:

Trying 210.188.235.107...
Connected to elm-chan.org.
Escape character is '^]'.
GET / HTTP / 1.0

HTTP / 1.1 200 OK
Date: Thu, 29 Mar 2012 12:41:02 GMT
Server: Apache/2.0.52 (CentOS)
Accept-Ranges: bytes
Content-Length: 153
Connection: close
Content-Type: text/html

{!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN"}
{html}
{head}
{title}DefaultHomePage{/title}
{/head}
{body bgcolor="#FFFFFF"}
{/body}
{/html}

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ChaunceyGardiner wrote:
(As for validating HTML, I think that's something any web site owner should take care of - it's relatively easy and it doesn't take a long time if you didn't start out with a rotten page to begin with. Sometimes, a perfectly validated page will fail validation later on when they improve the validator though.)

Examples of 'rotten' websites:
Microsoft: 191 Errors, 147 warnings
Apple: 3 Errors, 1 warning
Sparkfun: 37 Errors, 3 warnings
Paypal: 9 Errors, 2 warnings
Amazon: 542 Errors, 151 warnings
usa.gov: 15 Errors, 2 warnings
Queen of England (www.royal.gov.uk/): 58 Errors, 1 warning

Hmmm...

Smiley

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Our web designer throws things at IE9.

The largest known prime number: 282589933-1

Without adult supervision.

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clawson wrote:
This page talks about IE9s UA string and a "compatibility mode" which suggests it can be changed:

http://blogs.msdn.com/b/ie/archi...

I didn't look at that page, but I tried compatibility mode. It didn't help.

But that made me think about the browser. I'm normally using the 64-bit version of IE9. I started the 32-bit IE9, and sure enough - http://elm-chan.org/ works in that one.

I think you're right about the UA setting. If you can set it to something else than whatever 64-bit IE9 sets it to, it'll probably work. But that, if anything, proves that it's the web designer's fault in the first place.

UA for the 32-bit version : Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)

UA for the 64-bit version : Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)

I notice that the 64-bit version has one attribute more than the 32-bit version.

Sid

Life... is a state of mind

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Seeing how the web page in question is pretty much a helpful hobby page - this was my first visit to that page - I'd say it seems unlikely that the owner deliberately blocks IE9-64 users.

I'm guessing it's a matter of configuring or upgrading the Apache web server he's using.

Sid

Life... is a state of mind

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Quote:

I'm guessing it's a matter of configuring or upgrading the Apache web server he's using.

Clearly.

But what is one to do - I've already vented my spleen about the Firefox upgrade game and how a new version every week is leaving all the add-on developers behind. If new browsers every week is to become the norm (presumably each with a unique UA string) is this going to force web designers everywhere to be making tweaks to their Apache and IIS installations to cater for all these new UA's?

It's a long time since I last setup and configured Apache2 but just about everything is configurable so I wonder if it's possible to persuade it to simply switch on an (unchanging!) substring of the UA?

As you say Chan is one of the most prolific contributors to the microcontroller community and I imagine he'd much prefer to be engineering AVR/PIC/ARM code than re-engineering websites.

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Yeah, or if nothing else to at least have a default page for any "unknown" browser.

I've done a few hobby web pages and I've never had any of them depend on what browser is used to access them. I understand that if you have browser-specific design you may want to do that, but if you have the time to deal with that then you should have the time to show something for any other browser.

Something tells me he probably didn't do anything browser-specific, and a web server as popular as Apache surely must have options to just display your pages no matter what browser is used to view them ?

Sid

Life... is a state of mind

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FWIW, I will report this amusing coincidence:

At work we are just about to switch time-reporting system. Both the old and new one are web-apps, and we where at first told about the new one: "You can only use IE". In a support document there is a passage, however, on how to get it working in FF and Safari. You install a plug-in called an "Agent Switcher" and I interpret this as something that makes the agent (i.e. browser) lie about what it is. The document mentions such agent switchers for Safari and FF. I guess that there is no such thing for IE (that could help for Elm-Chans site and IE9))...

As of January 15, 2018, Site fix-up work has begun! Now do your part and report any bugs or deficiencies here

No guarantees, but if we don't report problems they won't get much of  a chance to be fixed! Details/discussions at link given just above.

 

"Some questions have no answers."[C Baird] "There comes a point where the spoon-feeding has to stop and the independent thinking has to start." [C Lawson] "There are always ways to disagree, without being disagreeable."[E Weddington] "Words represent concepts. Use the wrong words, communicate the wrong concept." [J Morin] "Persistence only goes so far if you set yourself up for failure." [Kartman]

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I know this is an old thread, but I can't access the site anymore. I'm using Chrome and Firefox.

 

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Just checked - works for me. Apple Safari.

 

Jim

Jim Wagner Oregon Research Electronics, Consulting Div. Tangent, OR, USA http://www.orelectronics.net

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same same.

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Yup,  http://elm-chan.org/fsw/ff/00index_e.html seems to work fine here too. Maybe the server was simply down/offline for a while?

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site has no problems here, using Firefox.

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Works here.

 

I see Smiley and Johan replied to this back ion the day.  Wonder how they are doing....I can contact Joe, but Johan has never responded to my email, or messages on another platform.

 

JIm

I would rather attempt something great and fail, than attempt nothing and succeed - Fortune Cookie

 

"The critical shortage here is not stuff, but time." - Johan Ekdahl

 

"Step N is required before you can do step N+1!" - ka7ehk

 

"If you want a career with a known path - become an undertaker. Dead people don't sue!" - Kartman

"Why is there a "Highway to Hell" and only a "Stairway to Heaven"? A prediction of the expected traffic load?"  - Lee "theusch"

 

Speak sweetly. It makes your words easier to digest when at a later date you have to eat them ;-)  - Source Unknown

Please Read: Code-of-Conduct

Atmel Studio6.2/AS7, DipTrace, Quartus, MPLAB, RSLogix user

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I think Johan decided to cut all links to Freaks after he got blocked. He might even blame the moderators as a group ( suspecting one of them did i not knowing who) Or he has just left internet all together, he had problems getting that in his home so might have just decided to let it go.

 

Also wondering how Joe is doing, but then there are a couple more, like Lee and Stu( not sure about the rest of the name) .

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Considering all the effort he put into his thread on consolidating all the forum bugs, and the complete lack of any action on that, I'm not surprised he gave up, TBH.

 

 

Top Tips:

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  2. "Garbage" characters on a serial terminal are (almost?) invariably due to wrong baud rate - see: https://learn.sparkfun.com/tutorials/serial-communication
  3. Wrong baud rate is usually due to not running at the speed you thought; check by blinking a LED to see if you get the speed you expected
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awneil wrote:

Considering all the effort he put into his thread on consolidating all the forum bugs, and the complete lack of any action on that, I'm not surprised he gave up, TBH.

 

 

 

WEll, The lack of action may have been from the changes in the corporate infrastructure at the time.  If memory serves me correct, the site got drunk one night and deactivated/blocked a considerable amount of community members accounts as well.....Johans being one of them, and he took offense(understandably).

 

Jim

I would rather attempt something great and fail, than attempt nothing and succeed - Fortune Cookie

 

"The critical shortage here is not stuff, but time." - Johan Ekdahl

 

"Step N is required before you can do step N+1!" - ka7ehk

 

"If you want a career with a known path - become an undertaker. Dead people don't sue!" - Kartman

"Why is there a "Highway to Hell" and only a "Stairway to Heaven"? A prediction of the expected traffic load?"  - Lee "theusch"

 

Speak sweetly. It makes your words easier to digest when at a later date you have to eat them ;-)  - Source Unknown

Please Read: Code-of-Conduct

Atmel Studio6.2/AS7, DipTrace, Quartus, MPLAB, RSLogix user

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jgmdesign wrote:
The lack of action may have been from the changes in the corporate infrastructure at the time. 

Indeed.

 

I did also try contacting him once, but no reply.

Top Tips:

  1. How to properly post source code - see: https://www.avrfreaks.net/comment... - also how to properly include images/pictures
  2. "Garbage" characters on a serial terminal are (almost?) invariably due to wrong baud rate - see: https://learn.sparkfun.com/tutorials/serial-communication
  3. Wrong baud rate is usually due to not running at the speed you thought; check by blinking a LED to see if you get the speed you expected
  4. Difference between a crystal, and a crystal oscillatorhttps://www.avrfreaks.net/comment...
  5. When your question is resolved, mark the solution: https://www.avrfreaks.net/comment...
  6. Beginner's "Getting Started" tips: https://www.avrfreaks.net/comment...
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There's Jesper too...strange, how we may feel like we know these "people" after a while, even though they mostly exist in our experiences only as words on a screen.

Maybe we are being fooled by some cyberbot creation...I'll ask Alexa about it, she is very nice & understanding.  I'd be in deep sorrow if anything happened to her (like ESD).

 

I hope I don't find her gossiping with Cortana about me, that would be devastating!

 

 

When in the dark remember-the future looks brighter than ever.   I look forward to being able to predict the future!

Last Edited: Wed. Jan 8, 2020 - 09:20 PM
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avrcandies wrote:
There's Jesper too...strange
Jesper sold his business and moved to Thailand with his new wife.

Ross McKenzie ValuSoft Melbourne Australia

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This page isn’t working

elm-chan.org didn’t send any data.

ERR_EMPTY_RESPONSE

 

From Google Chrome

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rammon wrote:

This page isn’t working

elm-chan.org didn’t send any data.

ERR_EMPTY_RESPONSE

 

From Google Chrome

  It just worked for me. But I don't use Chrome aka rusty. Maybe that is your problem?

Ross McKenzie ValuSoft Melbourne Australia

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valusoft wrote:

rammon wrote:

This page isn’t working

elm-chan.org didn’t send any data.

ERR_EMPTY_RESPONSE

 

From Google Chrome

  It just worked for me. But I don't use Chrome aka rusty. Maybe that is your problem?

May be an unfortunate combination of my computer hardware, win10, chrome and the alignment of the planets.

But it's definitely not my problem.

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google Chrome also works here. So I think it is something on your end that is not working as it should.

started at the main landing place. But keep in mind that google thinks the site is insecure, if you blocked those sites you might end up seeing nothing. 

 

 

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Win 10, Chrome "79.0.3945.88 (Official Build) (64-bit) ":

 

 

So it's not Win10 and it's not Chrome that is your problem.

 

If I were you I'd suspect things like corporate firewalls and problems with your ISP's routing/DNS.

 

As a check just try accessing it with the browser in your phone instead - that probably uses a different ISP/routing/DNS and has no firewall.

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rammon wrote:
But it's definitely not my problem.

Really? The only one here having an issue is you.

Jim

I would rather attempt something great and fail, than attempt nothing and succeed - Fortune Cookie

 

"The critical shortage here is not stuff, but time." - Johan Ekdahl

 

"Step N is required before you can do step N+1!" - ka7ehk

 

"If you want a career with a known path - become an undertaker. Dead people don't sue!" - Kartman

"Why is there a "Highway to Hell" and only a "Stairway to Heaven"? A prediction of the expected traffic load?"  - Lee "theusch"

 

Speak sweetly. It makes your words easier to digest when at a later date you have to eat them ;-)  - Source Unknown

Please Read: Code-of-Conduct

Atmel Studio6.2/AS7, DipTrace, Quartus, MPLAB, RSLogix user

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clawson wrote:
If I were you I'd suspect things like corporate firewalls and problems with your ISP's routing/DNS.

If I try to access it as HTTPS  - https://elm-chan.org/ - I get a certificate error:

 

 

But plain HTTP is fine:

 

 

 

 

As a check just try accessing it with the browser in your phone instead - that probably uses a different ISP/routing/DNS and has no firewall.

Good idea;  and do it over the mobile data - not WiFi (which may be just the same network as the PC).

 

Top Tips:

  1. How to properly post source code - see: https://www.avrfreaks.net/comment... - also how to properly include images/pictures
  2. "Garbage" characters on a serial terminal are (almost?) invariably due to wrong baud rate - see: https://learn.sparkfun.com/tutorials/serial-communication
  3. Wrong baud rate is usually due to not running at the speed you thought; check by blinking a LED to see if you get the speed you expected
  4. Difference between a crystal, and a crystal oscillatorhttps://www.avrfreaks.net/comment...
  5. When your question is resolved, mark the solution: https://www.avrfreaks.net/comment...
  6. Beginner's "Getting Started" tips: https://www.avrfreaks.net/comment...
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Total votes: 0

Today it works again....