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by Heater
Tue Mar 31, 2020 6:05 am
Forum: General discussion
Topic: raspberry pi 4 with problems
Replies: 25
Views: 865

Re: raspberry pi 4 with problems

The desktop resolution on the Pi 4 is not affected by entries in config.txt. It should auto-detect the best mode for the monitor that is connected, but if it doesn't you should, as recommended, use the Screen Configuration utility from the preferences menu on the desktop. Could you elaborate on tha...
by Heater
Tue Mar 31, 2020 3:29 am
Forum: C/C++
Topic: Retrieve WiFi strength
Replies: 1
Views: 58

Re: Retrieve WiFi strength

There are some solutions discussed here:
https://www.raspberrypi.org/forums/view ... hp?t=67152
by Heater
Mon Mar 30, 2020 6:41 pm
Forum: General discussion
Topic: Please just ignore (some) 1st posts
Replies: 22
Views: 668

Re: Please just ignore (some) 1st posts

Perhaps not much harm on the cosmic scale. But using a forum as free advertising space whist not being a member of the community and contributing anything is just not cricket. Even worse when the "product" is noting Pi related. Even worse when what they are pushing is scam "AI brand marketing bla, b...
by Heater
Mon Mar 30, 2020 1:44 pm
Forum: General discussion
Topic: Please just ignore (some) 1st posts
Replies: 22
Views: 668

Re: Please just ignore (some) 1st posts

Similarly for this new SPAM member https://www.raspberrypi.org/forums/view ... 3&t=269387.
Who at least admits to representing a AI driven SPAM marketing company in their website link.
by Heater
Mon Mar 30, 2020 1:06 pm
Forum: General discussion
Topic: Sony UK factory to close until 20 April
Replies: 13
Views: 463

Re: Sony UK factory to close until 20 April

DougieLawson wrote:
Mon Mar 30, 2020 12:22 pm
Only the 20th - is that more of the "over by Easter" insanity? Dr Jenny Harries was telling us six months yesterday. It won't be over before Easter 2021.
For once, Dougie, I feel you are totally correct.

Keep safe everyone.
by Heater
Mon Mar 30, 2020 10:33 am
Forum: General discussion
Topic: Getting Python3 onto a Raspberry Pi 1 B
Replies: 3
Views: 103

Re: Getting Python3 onto a Raspberry Pi 1 B

Exactly the same OS you use on your new Pi. https://www.raspberrypi.org/downloads/raspbian/
by Heater
Mon Mar 30, 2020 7:19 am
Forum: Off topic discussion
Topic: Linux 5.6: What 2038 problem?
Replies: 3
Views: 236

Re: Linux 5.6: What 2038 problem?

This https://www.theregister.co.uk/2020/03/30/linux_5_6_released/ article on The Register about Linux kernel 5.6, ends with the follwoing:So much for the "2038 bug" preventing 32-bit Raspbian indefinitely into the future. I don't recall reading anyone, anywhere, saying that. Anyway, that is just th...
by Heater
Sun Mar 29, 2020 10:43 pm
Forum: General discussion
Topic: Please just ignore (some) 1st posts
Replies: 22
Views: 668

Re: Please just ignore (some) 1st posts

What is the purpose of applying an AI to generate questions? Keeping us occupied? :) /Mogens They don't have AI. They pay an Indian worker a fraction of a rupee or a Chinese worker a fraction of a renminbi for each spam posting they generate. That's how those fuzzy letter based CAPTCHAs got broken ...
by Heater
Sun Mar 29, 2020 10:39 pm
Forum: General discussion
Topic: Please just ignore (some) 1st posts
Replies: 22
Views: 668

Re: Please just ignore (some) 1st posts

What is the purpose of applying an AI to generate questions? Keeping us occupied? :) /Mogens Good question. First purpose that comes to mind is to generate spam. The aim being to grab someones attention and direct them to some link where they get talked into buying something. Note that the first po...
by Heater
Sun Mar 29, 2020 10:02 pm
Forum: General discussion
Topic: Other projects: subcategories?
Replies: 18
Views: 443

Re: Other projects: subcategories?

Is that you Gromit ?
by Heater
Sun Mar 29, 2020 10:00 pm
Forum: General discussion
Topic: Please just ignore (some) 1st posts
Replies: 22
Views: 668

Re: Please just ignore (some) 1st posts

I have been wondering about this phenomena for a year or so now. So often I find a really off the wall, badly phrased, question and notice that it a first time poster. At first I put it down to the huge popularity of the Pi. That many purchasers know little of computing. Or they come from Arduino wo...
by Heater
Sun Mar 29, 2020 9:21 pm
Forum: Off topic discussion
Topic: Could the raspberry pi be used to control a ventilator?
Replies: 8
Views: 376

Re: Could the raspberry pi be used to control a ventilator?

It is possible to kill with a ventilator and its possible to recover from viral/bacterial pneumonia. Take your pick. Keep your hacked ventilators away from me and mine. It's a nice idea but best pursued by engineers experienced in ventilator design and construction. Ah, well, there is the thing. No...
by Heater
Sun Mar 29, 2020 7:14 pm
Forum: General discussion
Topic: Other projects: subcategories?
Replies: 18
Views: 443

Re: Other projects: subcategories?

jamesh wrote:
Sun Mar 29, 2020 6:01 pm
I haven't heard use of the word quip since I last read a Hardy boys book about a 100 years ago!!
Hmm... "quip" is still in common use. As is "jape". Never heard of the Hardy boys books though. Were they spiffing fun?
by Heater
Sun Mar 29, 2020 7:09 pm
Forum: Off topic discussion
Topic: Could the raspberry pi be used to control a ventilator?
Replies: 8
Views: 376

Re: Could the raspberry pi be used to control a ventilator?

I think that in times of emergency the bar on safety might get lowered. If you need a million ventilators and you only have a thousand it might be judged that using whatever hack jobs one can find is not going to be worse than using nothing. There is already a story of guys in Italy 3D printing valv...
by Heater
Sun Mar 29, 2020 3:33 pm
Forum: C/C++
Topic: How to deploy qt applications in raspberrypi
Replies: 16
Views: 408

Re: How to deploy qt applications in raspberrypi

That appimage file cleary states: "-x86_64-". As in Intel's 64 bit x86 processors. As used in PC's and laptops. The Pi uses an ARM processor, like mobile phones and tablets. Programs compiled for x86 do not run on ARM and vice versa. Also I don't know why one would need an appimage to deploy the Qt ...
by Heater
Sun Mar 29, 2020 9:59 am
Forum: General discussion
Topic: Pi 4 old and new, how can I tell them apart?
Replies: 12
Views: 464

Re: Pi 4 old and new, how can I tell them apart?

Yes but Dougie, how does one log into a Pi one has not bough yet through the Amazon store? Is that a new feature they have added, try before you buy, remotely? :)
by Heater
Sun Mar 29, 2020 8:56 am
Forum: General discussion
Topic: Other projects: subcategories?
Replies: 18
Views: 443

Re: Other projects: subcategories?

My feeling is that this forum already has more than enough sections/categories/sub-categories ...
by Heater
Sun Mar 29, 2020 5:03 am
Forum: HATs and other add-ons
Topic: 8-24 bit digitizer?
Replies: 3
Views: 125

Re: 8-24 bit digitizer?

Well spotted drgeoff. Thanks. Fixed. "B" and "b" are just fine. We just have to rely on eagle eyes like yours to ensure they are right. Same as the other abbreviations, like the SI prefixes: Y/y - yotta/yocto Z/z - zetta/zepto P/p - peta/pico M/m - mega/milli The silly case is: da/d - deka/deci Anyw...
by Heater
Sat Mar 28, 2020 11:31 am
Forum: HATs and other add-ons
Topic: 8-24 bit digitizer?
Replies: 3
Views: 125

Re: 8-24 bit digitizer?

500 - 1Gsps at 8 bit resolution is 4Gbps.

If you had such an ADC how do you intend to get that data into the Pi at such speed?

You could likely find a USB scope that will do that. Except the software probably won't run in the Pi.
by Heater
Sat Mar 28, 2020 8:09 am
Forum: C/C++
Topic: How to deploy qt applications in raspberrypi
Replies: 16
Views: 408

Re: How to deploy qt applications in raspberrypi

maybe look into appimage packaging, google "appimage how to". AppImages are CPU architecture specific, an AppImage for Intel architecture processors won't run on a RPi. Raspberry Pis use ARM CPUs, that image is for Intel x86_64 What image are you taking about? Nobody has mentioned or linked to any ...
by Heater
Sat Mar 28, 2020 5:15 am
Forum: C/C++
Topic: How to deploy qt applications in raspberrypi
Replies: 16
Views: 408

Re: How to deploy qt applications in raspberrypi

Have you tried option 1) in my previous post here: https://www.raspberrypi.org/forums/viewtopic.php?f=33&t=268986#p1632269 ? I advise against it. For reasons discussed here: https://www.raspberrypi.org/forums/viewtopic.php?t=139367 Better to provide an installer script with your Qt program that runs...
by Heater
Fri Mar 27, 2020 10:27 pm
Forum: Off topic discussion
Topic: Call for help: looking to start a company - solar powered computer
Replies: 31
Views: 977

Re: Call for help: looking to start a company - solar powered computer

Wrong. There is a mathematical blueprint, or signature if you want for content. Try converting a music song and put it on youtube. It would probably not work unless the content creator agrees. Youtube now runs a scan when something is uploaded. If you are not the original creator, it CAN delete wha...
by Heater
Fri Mar 27, 2020 7:27 pm
Forum: General programming discussion
Topic: Tatami Pi Fun.
Replies: 302
Views: 20008

Re: Tatami Pi Fun.

Perhaps I should not have mentioned it. Now I feel so inadequate with my teeny weeny little Jetson nano GPU.
by Heater
Fri Mar 27, 2020 7:02 pm
Forum: General discussion
Topic: Experimenting with something. Looking for volunteers
Replies: 6
Views: 264

Re: Experimenting with something. Looking for volunteers

W. H. Heydt wrote:
Fri Mar 27, 2020 4:31 pm
Sounds like Khan Academy and some of the add-on/wrapper programs for it. Not to disparage your project, but--nice wheel you've got there--It's Been Done Before.
Could you elaborate on that likeness for us?

I don't see any similarity between the Khan Academy and what our OP described.
by Heater
Fri Mar 27, 2020 6:59 pm
Forum: General discussion
Topic: Power Pi from 24V via DC-DC converter module?
Replies: 5
Views: 168

Re: Power Pi from 24V via DC-DC converter module?

Seems I can get Mean Well SD-25B-5 from Digikey Finland for 18 Euro.
19 to 36 volts in, 25 Watts.

Sweet!

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