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by rurwin
Tue Dec 19, 2017 9:28 am
Forum: General programming discussion
Topic: VS17 Help
Replies: 34
Views: 14511

Re: VS17 Help

Yes, as fully as it should/could have been. This is just pictures of cats and cake recipes. @jahboater, I wonder if one of the other MX switches may be closer to the M-type, maybe the green or brown. My keyboard is also a Filco Majestouch 2, although the keytops come from WASD. If I'd known about th...
by rurwin
Mon Dec 18, 2017 4:44 pm
Forum: General programming discussion
Topic: VS17 Help
Replies: 34
Views: 14511

Re: VS17 Help

IBM M-type is just the tip of the iceberg. Its modern commercial version is probably the Cherry GP80. I've got one at home and one at work. At home it's been relegated to spare since it's so loud. But that, and just about every mechanical keyboard you will find out there, is just the Cherry MX blue ...
by rurwin
Mon Dec 18, 2017 9:30 am
Forum: General programming discussion
Topic: VS17 Help
Replies: 34
Views: 14511

Re: VS17 Help

We will probably never know why the OP is building in VS, because we may have scared them off. But... Consider a development team of 100 developers, or even just 25. Consider daily builds carried out by a dedicated VM in a server farm. That is how real-world projects work. It isn't unusual and it is...
by rurwin
Thu Dec 14, 2017 4:02 pm
Forum: General programming discussion
Topic: VS17 Help
Replies: 34
Views: 14511

Re: VS17 Help

We could argue all day, Heater; we often do. But it would be off-topic in this thread. If the OP wanted to defend their position, that would be OK.
by rurwin
Wed Dec 13, 2017 1:41 pm
Forum: General programming discussion
Topic: VS17 Help
Replies: 34
Views: 14511

Re: VS17 Help

It is saying that it can't find the library lib-Wl,--rpath=$ORIGIN.lib The -l flag to ld specifies the name of the library to which it prepends "lib". The command line seems to contain the string "-l-Wl,--rpath=$ORIGIN.lib" The -Wl,--rpath=$ORIGIN.lib was intended to be an option in which case it sh...
by rurwin
Sat Dec 02, 2017 2:45 pm
Forum: General discussion
Topic: 4x4 keypad over expander ?
Replies: 7
Views: 1105

Re: 4x4 keypad over expander ?

Four metres is rather too much for I2C or USB. It's probably too much for 3.3V power as well although you could probably get away with passing 5V over the cable and regulating it down to 3.3V. With all that in mind, I would tend toward using RS232 or the 5V alternative that the BBC Microcomputer use...
by rurwin
Sat Dec 02, 2017 8:16 am
Forum: General discussion
Topic: 4x4 keypad over expander ?
Replies: 7
Views: 1105

Re: 4x4 keypad over expander ?

You are not likely to find a PCB for sale that does exactly what you are asking for. We do need to know a little more before we can give you a solution to your problem (rather than just an answer to your question, which is "no" and doesn't help you.) Do you have a plan for how you will write the sof...
by rurwin
Sat Dec 02, 2017 7:55 am
Forum: Beginners
Topic: Not sure if this will all work together...
Replies: 2
Views: 532

Re: Not sure if this will all work together...

Here's a solution for a case that also supplies the SSD interface: http://uk.farnell.com/element14/pi-desktop/element-14-pi-desktop-hatencl/dp/2687142 Also a note just in case you have misunderstood: the Raspberry Pi does not have USB 3. There is no problem using that hub with a Raspberry Pi but you...
by rurwin
Sat Dec 02, 2017 7:46 am
Forum: Troubleshooting
Topic: Issue with SerialPort parity
Replies: 6
Views: 1464

Re: Issue with SerialPort parity

I would rather characterise that as the issue still exists but there are reasonably useful workarounds.
by rurwin
Thu Nov 30, 2017 9:42 am
Forum: Off topic discussion
Topic: 3D Printer
Replies: 70
Views: 21392

Re: 3D Printer

For what it's worth, I would back that Kickstarter. The only red flag is that they don't say they have financial people on board but they are probably not going to be massively over-subscribed so the process should be relatively smooth. Good luck.
by rurwin
Mon Nov 27, 2017 7:41 pm
Forum: Off topic discussion
Topic: 3D Printer
Replies: 70
Views: 21392

Re: 3D Printer

I've backed 33 projects on Kickstarter. One of those I bunged $2 because I want to live in a world that has hover-bikes but I don't expect to. I'm currently waiting on three projects, all of which are shipping late, including the one that promised before-Christmas delivery. That's what you get and w...
by rurwin
Sun Nov 26, 2017 1:01 am
Forum: Off topic discussion
Topic: 3D Printer
Replies: 70
Views: 21392

Re: 3D Printer

JonnyAlpha wrote:
Sat Nov 25, 2017 7:21 pm
After this I would be able to successfully use my Anet to produce the printed parts for my Hypercube.
I think you will find that most printers only have three axes and you need four to print a hypercube.


(yes, yes, I know -- it's a type of printer -- but the joke was too good to ignore)
by rurwin
Sun Nov 19, 2017 12:29 pm
Forum: General discussion
Topic: Raspberry Pi for commercial use
Replies: 27
Views: 14051

Re: Raspberry Pi for commercial use

Nobody has been sued to oblivion for using/distributing GPL software We do agree, Heater, but I'm obviously in a pedantic mood today. Several people have been forced to provide the source code for their own bespoke software as an alternative to being sued. However, that was cases where they used a ...
by rurwin
Sun Nov 19, 2017 8:48 am
Forum: General discussion
Topic: Raspberry Pi for commercial use
Replies: 27
Views: 14051

Re: Raspberry Pi for commercial use

Of course if you distribute GPL software then you have to abide by the GPL. That requires that you can also supply, on demand, all the source code that was used to build your system. Not true. You are only required to provide the source code for GPL products that you have used (Raspian), not for yo...
by rurwin
Mon Nov 13, 2017 10:04 am
Forum: General discussion
Topic: Solderless connector pins for Pi Zero GPIO
Replies: 18
Views: 16860

Re: Solderless connector pins for Pi Zero GPIO

At AUS$29, that isn't a solution for take-home projects, but it's a great idea for labs, quick experiments and prototypes. I've backed it.
by rurwin
Mon Oct 23, 2017 8:08 am
Forum: General programming discussion
Topic: Guidance on language for GUI Python or ??
Replies: 5
Views: 1571

Re: Guidance on language for GUI Python or ??

Another alternative would be to use a full SCADA suite. See: https://www.raspberrypi.org/forums/viewtopic.php?f=37&t=31477&p=775543#p775543 It looks like ProView now includes official support for the Raspberry Pi. I've not used Proview, but I've worked in SCADA for decades, and it is exactly what yo...
by rurwin
Fri Oct 20, 2017 9:23 am
Forum: Other projects
Topic: In search of a larger case
Replies: 12
Views: 4380

Re: In search of a larger case

This one looks close to what you want. It doesn't have an internal power supply, but it does have a power-switch.

http://uk.farnell.com/element14/pi-desk ... nsku=false
by rurwin
Fri Oct 20, 2017 9:06 am
Forum: General programming discussion
Topic: Guidance on language for GUI Python or ??
Replies: 5
Views: 1571

Re: Guidance on language for GUI Python or ??

Python is good for UI stuff, but no better than C++ for GUI stuff -- you always need a library. Python gives you easy access for scripting and plugins; its standard library has everything from a web server to zip compression -- all the sorts of things that might be useful for building a flexible and...
by rurwin
Fri Oct 20, 2017 8:02 am
Forum: Beginners
Topic: help guide to where to focus my learning in python
Replies: 2
Views: 368

Re: help guide to were to focus my learning in python

You need to have a basic understanding of how to code, both how software works and how to do it with Python. So if I were you, I would certainly start with some beginner tutorials and not worry too much whether you are learning the right stuff. Once you get toward the more advanced features, it will...
by rurwin
Thu Aug 10, 2017 7:14 pm
Forum: Staffroom, classroom and projects
Topic: Information about Tynker (and other primary-age stuff) needed
Replies: 2
Views: 2709

Re: Information about Tynker (and other primary-age stuff) needed

I, or she, could do, but the first question is "is it any good and does anyone use it," which I wouldn't trust them to answer.
by rurwin
Thu Aug 10, 2017 3:23 pm
Forum: Staffroom, classroom and projects
Topic: Information about Tynker (and other primary-age stuff) needed
Replies: 2
Views: 2709

Information about Tynker (and other primary-age stuff) needed

My cousin in writing a book about programming for primary-age children and she needs some help.
Is there someone she can talk to particularly with regard to Tynker? This isn't a Pi-specific book so this might not be the best place for extended discussion.
by rurwin
Thu Aug 03, 2017 11:51 am
Forum: Other projects
Topic: waterthight case
Replies: 18
Views: 8919

Re: waterthight case

Be aware that a case can be too waterproof. When opening boxes that have been outside for a year or two , one often finds a significant quantity of water inside. It isn't because they have leaked in the rain, it's more insidious than that. During the day the air is warm and warm air expands and can ...
by rurwin
Thu Aug 03, 2017 7:01 am
Forum: General discussion
Topic: STICKY: NEW FORUM SKIN - Comments here please.
Replies: 289
Views: 53422

Re: STICKY: NEW FORUM SKIN - Comments here please.

Why the hell does the forum page download style sheets from other servers? Does google pay someone for helping to track forum users? I use NoScript all the time, so I can tell you that that is standard practise. I've had to green-light GoogleAPIs a long time ago because so many sites use it. Copyin...
by rurwin
Tue Aug 01, 2017 11:15 am
Forum: Other projects
Topic: 64x32 LED display
Replies: 21
Views: 8532

Re: 64x32 LED display

There's easier ways to get them too. I've got some in the post that are 8mm wired LEDs with four normal leads and you can get strings of various lengths either flat strips or like Christmas tree lights. I've re-engineered my light table several times. One of these days I'll actually finish it. But 3...
by rurwin
Tue Aug 01, 2017 6:02 am
Forum: General discussion
Topic: Legally extending Zero WiFi?
Replies: 10
Views: 1977

Re: Legally extending Zero WiFi?

http://www.legislation.gov.uk/uksi/2000/730/pdfs/uksi_20000730_en.pdf See in particular, sections 5, 19 and 20. 5. —(1) Subject to regulations 6, 7 and 8, no person shall place on the market or put into service any apparatus unless the requirements of paragraph (2) and (in the case of radio equipmen...

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