<!DOCTYPE html><html><head><title></title><style type="text/css">p.MsoNormal,p.MsoNoSpacing{margin:0}</style></head><body><div>My take is that the USB-C standard is really messed up. The fact that it is so difficult to implement correctly is a warning sign. There was also that case of substandard USB-C cables sold on Amazon physically destroying your laptop when used for recharging.<br></div><div><br></div><div><a href="https://arstechnica.com/gadgets/2016/02/google-engineer-finds-usb-type-c-cable-thats-so-bad-it-fried-his-chromebook-pixel/">https://arstechnica.com/gadgets/2016/02/google-engineer-finds-usb-type-c-cable-thats-so-bad-it-fried-his-chromebook-pixel/</a><br></div><div><br></div><div>On Sat, Aug 3, 2019, at 10:26 AM, Mikalai Birukou via kwlug-disc wrote:<br></div><blockquote type="cite" id="qt"><p>There is a saying: "Many problems have two solutions. One is
obvious, simple and ... wrong."<br></p><p>Apparently USB-C problem of putting analog circuit is a problem
of this kind. There is a solution with one resistor instead of two
(as article mentions) which incorrectness is not obvious
(especially with blinding "we saved one resistor!"). Nintendo guys
stepped into this. Raspberry guys stepped into this. And may be
even Apple guys did with some of their dongles, as commented in
Nintendo article <a href="https://arstechnica.com/gaming/2018/04/nintendo-warns-against-using-substandard-switch-charging-cables/?comments=1&post=35114343" class="qt-moz-txt-link-freetext">https://arstechnica.com/gaming/2018/04/nintendo-warns-against-using-substandard-switch-charging-cables/?comments=1&post=35114343</a> .<br></p><p>Being on a weekend, I am simply amazed at complexities present in
this world, and that we, humans, are tackling them nevertheless.
Wow!<br></p><div class="qt-moz-cite-prefix">On 2019-08-03 10:07 a.m.,
CrankyOldBugger wrote:<br></div><blockquote cite="mid:CAKyYXOSVHCKQD0wBVEhJrKy4vF6PG98552H1fwTA9fiDRo+MTQ@mail.gmail.com" type="cite"><div dir="ltr"><div>I'm sure that we'll be seeing the Raspi 4 B v2 or something
soon. They have good engineers working there.<br></div><div><br></div></div><div><br></div><div class="qt-gmail_quote"><div class="qt-gmail_attr" dir="ltr">On Sat, 3 Aug 2019 at 10:06,
Mikalai Birukou via kwlug-disc <<a href="mailto:kwlug-disc@kwlug.org">kwlug-disc@kwlug.org</a>>
wrote:<br></div><blockquote style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204, 204, 204);padding-left:1ex;" class="qt-gmail_quote"><div bgcolor="#FFFFFF"><p>This speaks to the power of open design: someone else
found a bug and pointed it out.<br></p><div class="qt-gmail-m_3259130707612278381moz-cite-prefix">On
2019-08-03 12:13 a.m., Khalid Baheyeldin wrote:<br></div><blockquote type="cite"><div dir="ltr"><div>Eben Upton confirmed that there are mistakes in
implementing the standard(s) for USB-C.<br></div><div><br></div><div><a href="https://arstechnica.com/gadgets/2019/07/raspberry-pi-4-uses-incorrect-usb-c-design-wont-work-with-some-chargers/">https://arstechnica.com/gadgets/2019/07/raspberry-pi-4-uses-incorrect-usb-c-design-wont-work-with-some-chargers/</a><br></div><div><br></div><div class="qt-gmail_quote"><div class="qt-gmail_attr" dir="ltr">On Sat, Aug 3, 2019
at 12:09 AM CrankyOldBugger <<a href="mailto:crankyoldbugger@gmail.com">crankyoldbugger@gmail.com</a>>
wrote:<br></div><blockquote style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204, 204, 204);padding-left:1ex;" class="qt-gmail_quote"><div dir="ltr"><div>You need to watch what USB cables you use
with the Raspi 4, though. Apparently the RP4 is
having problems with smart cables: <a href="https://www.geeky-gadgets.com/raspberry-pi-4-usb-c-cable-issue-confirmed/">https://www.geeky-gadgets.com/raspberry-pi-4-usb-c-cable-issue-confirmed/</a><br></div><div><br></div></div><div><br></div><div class="qt-gmail_quote"><div class="qt-gmail_attr" dir="ltr">On Fri, 2 Aug
2019 at 20:35, Mikalai Birukou via kwlug-disc
<<a href="mailto:kwlug-disc@kwlug.org">kwlug-disc@kwlug.org</a>>
wrote:<br></div><blockquote style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204, 204, 204);padding-left:1ex;" class="qt-gmail_quote"><div bgcolor="#FFFFFF"><p>Raspberry PI 4 is coming out, with same arm
cores as helm, but with 4GB of RAM. Finally
USB 3, and dual HDMI.<br></p><p><a href="https://www.tomshardware.com/reviews/raspberry-pi-4-b,6193.html" class="qt-gmail-m_3259130707612278381gmail-m_2483243449400429687gmail-m_-8716838665318454811moz-txt-link-freetext">https://www.tomshardware.com/reviews/raspberry-pi-4-b,6193.html</a><br></p><p><br></p><div><br></div></div></blockquote></div></blockquote></div></div><div><br></div><pre class="qt-gmail-m_3259130707612278381moz-quote-pre">_______________________________________________
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<br></pre></blockquote><div class="qt-gmail-m_3259130707612278381moz-signature"><div>-- <br></div><div> Mikalai Birukou <br></div><div> CEO | 3NSoft Inc.<br></div></div></div><div>_______________________________________________<br></div><div> kwlug-disc mailing list<br></div><div> <a href="mailto:kwlug-disc@kwlug.org">kwlug-disc@kwlug.org</a><br></div><div> <a rel="noreferrer" href="http://kwlug.org/mailman/listinfo/kwlug-disc_kwlug.org">http://kwlug.org/mailman/listinfo/kwlug-disc_kwlug.org</a><br></div></blockquote></div><div><br></div><pre wrap="" class="qt-moz-quote-pre">_______________________________________________
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<br></pre></blockquote><div class="qt-moz-signature"><div>-- <br></div><div> Mikalai Birukou <br></div><div> CEO | 3NSoft Inc.<br></div></div><div>_______________________________________________<br></div><div>kwlug-disc mailing list<br></div><div>kwlug-disc@kwlug.org<br></div><div>http://kwlug.org/mailman/listinfo/kwlug-disc_kwlug.org<br></div><div><br></div></blockquote><div><br></div></body></html>