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Yes, bit that was constrained to a certain type of device (VFD for centrifuges for U238 to U235 enrichment), this is not.
On the other side, anything is vulnerable, it just takes a bit of time, and knowledge shortens that time a lot.

I wanted to be able to test it in qtdragon so it's PyQt5 instead
This one does work as a standalone window

Can get winter cold when ya bypass CRC/data integrity Reminds me of Stuxnet (scada/plc/siemens/iran/etc lol)

Ok, I did figure out that I can't test the plotter with a sim running. Everything works as it should when I run from installed.

I still would like to look at your code if possible.

JT

I can neither deny or confirm it was any sort of test.
All I can confirm at it’s highest point the roof was sloped.

The uart will more than likely be a USB uart, so not suitable for RT, in actual fact there doesn’t appear to be a real time driver for “real” aka hardware serial ports for linuxcnc.
I’m starting to think a lot of these SBC s are more of a gimmick than anything else.
Tho in saying that I have been running an Odroid H3+ for several years now. The dual NICs and nvme port were big sellers for me and the fact the RAM isn’t hardwired to the board.
Honestly if the Beagle Bone Black was upgraded with more RAM and a quicker CPU and still kept the PRUs that would be an awesome and really capable “all in one solution”.
For small form factor X86 solutions the HP T640 has a quad core cpu, and some of the HP & Lenovo minis are worth a look at as well.

Well the more you know. LOL

You may find it useful to pipe the output thru grep to filter any messages containing USB

Not UNIX, that is SCO territory, it is NIX or GNU or GNU Linux, depending on how you look at it.
Several years back SCO filed a huge lawsuit against everything Linux for copyright B.S. so IBM got even more P.O. and sent some of it's layers and won.
IBM uses it on it's super computers, it was cheaper to pay lawyers than pay fees to SCO, and it was a huge win for Linux and humanity.
Just imagine for a moment if SCO won, how valuable would they be right now? Probably 2000X what NVIDIA is...

> correct me if I am wrong but isn't MacOS pretty much UNIX?
Darwin is the core Unix-like operating system of macOS (previously OS X and Mac OS X), iOS, watchOS, tvOS, iPadOS, audioOS, visionOS, and bridgeOS. It previously existed as an independent open-source operating system

> You do realize most Linux development is funded by the US government and intelligence agencies
most ? certainly not
a few of the developers ? certainly yes
but it is much more difficult to put backdoors in opensource than in closed source, and US companies are more or less forced to do so. That doesn't work so easily with FOSS

we should all be glad that there is open software otherwise the big companies could do whatever they want with us

@smc.collins
don't you find it a bit strange to rant about opensource programmers but on the other hand obviously use their software ?
or why are you in a LinuxCNC forum ?

and do i understand you correctly, if you would lower yourself to the level of a developer it would be no problem for you to write all the software yourself ?

do you even know what a narcissist is?
he feels superior to everyone else, never makes mistakes himself and it's always the others' fault.

If developers were like that, there would be no bug fixes, because that would mean that they had made a mistake.

But I can see a few characteristics in your behaviour
 

Well I just looked at the solution and although it does show inches the Manual Control (F3) is still working in mm’s, and of course so is the pendant. So it actually makes the situation more confusing. 

Come to think of it I had actually noticed this choice under View before. 

correct me if I am wrong but isn't MacOS pretty much UNIX?

Probably, but more importantly it was to prove that some users do not bother much with where should they post.
I absolutely do not mind posting on the wrong forum section, been there done that, and i gladly move posts/topics around when prompted, or when it seems OK to.
For some stuff it can be really confusing as to where the right place is as there might be several sections that will fit, so just pick one and go with it. And if at any time later appears to be a better place for it, just let us know so we can shuffle stuff around.
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Personally, the most important part is keeping things clear and simple and easy to find for new users/members.

Do you have a more concrete example? I'm trying to think of how that's different from either an UINT64 or 8 UINT8s, depending on use.

Which device?