#linuxcnc | Logs for 2018-09-12

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[00:00:55] <_unreal_> ziper, something you can try.... is using CHOP strand glass. and cabisil together. makes really good puttys
[00:01:30] <ziper> I usually only use them for fairing or filleting
[00:02:16] <_unreal_> and its FAR more structural
[00:02:49] <_unreal_> Gflex is good on things that you cant let break but need to be able to bend
[00:03:50] <ziper> yeah I need something flexible for the foil hinge
[00:03:54] <ziper> unless I go hingeless
[00:04:40] <_unreal_> whenI say flexable. I dont mean you can just BEND it
[00:05:12] <_unreal_> you know when you try to bend a piece of metal. and you bend and bend and bend it back and forth and it just WONT brake
[00:05:18] <_unreal_> Thats how Gflex is
[00:06:01] <ziper> i'm thinking a single layer of kevlar
[00:06:06] <ziper> for the hinge
[00:06:13] <_unreal_> ?
[00:06:17] <_unreal_> What kind of a hinge
[00:08:29] <ziper> http://3.bp.blogspot.com
[00:08:43] <ziper> http://www.fastacraft.com
[00:09:38] <_unreal_> Thats suggesting sekaflex. I use a type of seka all the time
[00:09:43] <_unreal_> seka295
[00:10:36] <_unreal_> I would go with what they reccommend
[00:10:39] <ziper> i want the top hinge to completely flush, not recessed at all
[00:10:51] <_unreal_> Thats easy enough
[00:11:09] <ziper> but that first image is really old
[00:11:15] <ziper> and afaik not used on any modern boats
[00:11:31] <_unreal_> using kevlar as a hinge wont work well
[00:11:45] <_unreal_> its hard to bond to kevlar
[00:11:56] <ziper> what else?
[00:12:22] <_unreal_> I would suggest a thin layup panel using Gflex you could even bag it....
[00:12:48] <_unreal_> something like a few boat cloth Vac bagged
[00:12:49] <ziper> and what fiber?
[00:13:36] <_unreal_> When it sets up you have a thin section that you can Bond AND still do the sekiaflex fill
[00:14:15] <_unreal_> thing strong fiberglass for the LOAD, adn the sakiflex caulking for the rigid finish
[00:14:32] <ziper> on the bottom I will just have a little flap bonded to the leading section pointed back
[00:14:46] <ziper> that can flex and slide with the flap
[00:14:53] <_unreal_> to use seka flex to smooth something over, you just need to mask the area with tape. use a spreader that can bridge the area. pull it. and clean up with mineral spirits
[00:15:16] <_unreal_> slide?
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[00:52:49] <_unreal_> ziper, you have some gramer issues on the main page of your sailboat site
[00:52:55] <_unreal_> grammar
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[01:10:38] <fragalot> mornin'
[01:11:49] <ziper> gnight
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[02:42:07] <Deejay> moin
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[03:02:36] <zhivko> Hi guys!
[03:03:19] <zhivko> Looking for nema34 Servo motor that has 220V AC power supply, and possibly stepper interface... Can you recommend comething ?
[03:05:17] <zhivko> Also need servo driver
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[03:20:21] <selroc> log
[03:20:21] <c-log> selroc: Today's Log http://tom-itx.no-ip.biz:81
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[05:06:11] <fragalot> 'llo
[05:18:43] <XXCoder> yo
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[05:51:11] <jthornton> morning
[05:51:16] <XXCoder> hey jt
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[06:20:42] <Tom_L> morning
[06:21:02] <Tom_L> 63°F Hi 80
[06:22:29] <jthornton> 61°F high 78°F
[06:23:46] <XXCoder> 62f high
[06:24:10] <XXCoder> 58f now
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[06:56:46] <jthornton> axis_mask returns the sum of the axes
[06:56:46] <jthornton> X=1, Y=2, Z=4, A=8, B=16, C=32, U=64, V=128, W=256 and axes returns the number of axes how do I sort out what axis letters are in the sum?
[06:58:47] <XXCoder> easy enough
[06:58:52] <XXCoder> bitmasks
[06:59:23] <XXCoder> AND em, like 00000001 for X, isX = Xbit AND axisnumber
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[06:59:35] <jthornton> hmmm
[06:59:47] <XXCoder> so only way for it to be true is when it has bit for x to be 1
[07:01:43] <jthornton> if axis_mask is 7 it and axes is 2 it's xa if axes is 3 then it's xyz
[07:02:38] <XXCoder> ah thats bit more complex
[07:03:00] <jthornton> yea that's what has me stumped too
[07:03:02] <XXCoder> I shouldnt think about programming at 4 am before bed lol
[07:03:24] <XXCoder> you could do a quick programming to make list of all possibilities
[07:04:31] <XXCoder> for axism = 0 to 256{ for axes = 0 to 26 { list all possible for such} } printl
[07:04:58] <XXCoder> see if you can find patterns there
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[07:05:17] <XXCoder> also see if there is a combination that spits more than one possible
[07:06:06] <XXCoder> if its NOT possible, then you have a nice lookup list
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[07:06:19] <XXCoder> *NOt possible for there to be more than one match
[07:07:19] <XXCoder> im kinda puzzled though isnt linuxcnc support 26 axises? you listed 9
[07:09:36] <jthornton> no just 9 axes
[07:09:50] <XXCoder> hm I misremembered I guess
[07:10:15] <jthornton> I think 2.8 can have more joints but still only 9 axes
[07:10:25] <MarcelineVQ> hmm I thought it was 12
[07:10:32] <XXCoder> 9 axises, so 1 axes up to 9, you could literally just make table by hand
[07:11:33] <jthornton> http://linuxcnc.org
[07:12:00] <MarcelineVQ> what component/module/api is axis_mask from?
[07:12:28] <jthornton> http://linuxcnc.org
[07:12:40] <XXCoder> jthornton: im writing out logic table now
[07:12:41] <jthornton> http://linuxcnc.org
[07:12:44] <XXCoder> give me few mins
[07:12:48] <jthornton> ok
[07:13:52] <XXCoder> hm I would have to go all wau up to 512 lol thats bit long!
[07:14:02] <XXCoder> ill paste sample of what I did
[07:14:11] <jthornton> I got 511
[07:14:15] <MarcelineVQ> gosh, why didn't they just have it return an enum <_<
[07:14:28] <MarcelineVQ> Or rather, I wonder why, cause maybe it was the right choice not to
[07:14:48] <XXCoder> http://dpaste.com jthornton
[07:15:36] <XXCoder> jthornton: suggest write a quick checker
[07:17:19] <jthornton> 4 is possible for 2 axes it can be YY
[07:17:30] <XXCoder> I tried to do random 2 axis, MOST of em is actually possible
[07:17:33] <jthornton> also can be XXYZ
[07:17:35] <XXCoder> err impossible
[07:17:44] <XXCoder> im assuming it never repeats a axis
[07:17:54] <XXCoder> ah!
[07:18:00] <XXCoder> all numbers that is relivately prime
[07:18:42] <jthornton> ah no it will never repeat only the coordinates will have XYYZ there is still only one Y axis
[07:19:16] <MarcelineVQ> yeah looks like "It is permitted to write an axis name twice (e.g., X Y Y Z for a gantry machine) but this has no effect."
[07:19:26] <XXCoder> yeah what you are basically looking for is any number that have no power of 2 (not prime oops) in common
[07:20:11] <XXCoder> I finally thought up code to do this. its... surpising simple. just use bit masks
[07:20:33] <XXCoder> make one for all axis, then code loops though all possible values and count number of 1s in it
[07:20:43] <XXCoder> sort number of ones, then spit out a list
[07:20:47] <XXCoder> done.
[07:21:25] <XXCoder> https://www.geeksforgeeks.org
[07:24:43] <XXCoder> bit masks is for printing really make output much more readable
[07:25:01] <XXCoder> X A rather than 1 8
[07:26:42] <XXCoder> well night hope it was useful lol
[07:28:58] <jthornton> yea just will take some testing to figure it all out
[07:53:19] <Tom_L> you can still do an if statement with a bit mask and add the sum of the result
[07:54:50] <Tom_L> and do 2 if's for the ones that can have doubles
[07:55:28] <jthornton> what I have so far is to get a list of numbers that are <= the axis_mask and that eliminates a bunch
[07:55:43] <Tom_L> if 2 or if 4 for bit 1 (starting at 0)
[07:55:54] <Tom_L> gotta run
[07:55:58] <jthornton> ok
[08:11:23] <miss0r|office2> fragalot: I just got a mail from GLS today. "We still have not been able to locate your lost package. It will be considered lost 10 working days after it was first reported missing"
[08:11:35] <fragalot> Lovely. :)
[08:12:16] <miss0r|office2> fragalot: But I have come up with a plan: I am officially selling it to you from my company, for around $800
[08:12:27] <miss0r|office2> atleast, that is what the paperwork will say.
[08:14:37] <miss0r|office2> you gotta love creative accounting. That'll teach them not to throw away my packages!
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[08:24:14] <CaptHindsight> I had Parcel Farce hold a package for 30 days and then return for not having a proper address where the whole street was within and named after the 100+ year old company
[08:24:55] <miss0r|office2> lol
[08:24:59] <CaptHindsight> some parcel co's just go one step beyond
[08:25:15] <miss0r|office2> why the fsck can't I make this damn PC boot a linuxCNC usb OR DVD ! Its starting to realy piss me off !
[08:25:23] * fragalot is having a realtime bug somewhere in his application that happens once in a blue moon
[08:25:40] <fragalot> and my tracing debugger keeps losing packages because it's buffer can't keep up :(
[08:26:19] <Loetmichel> *GNAH*... The "joys" of china machinery... the chinks have soldered opto couplers on the driver board of the new CNC 6040 that are SO slow that i have to set the step pulses/pauses to 20000ns in LinuxCNC to have the stepper drivers react at all :-( *desolder* *bridging the couplers*
[08:27:01] * miss0r|office2 pets Loetmichel "There there, its going to be okay" :)
[08:27:06] <SpeedEvil> Are you sure you can't simply change resistors?
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[08:34:48] <fragalot> right! I think I found the smoking gun here
[08:34:57] <fragalot> i'll know in about 30 minutes when it's done compiling >.>
[08:36:38] <jthornton> yea figured it out
[08:37:28] <miss0r|office2> fragalot: Nice. I am starting to think I've bought the wrong motherboard. This is a real bitch :D
[08:37:43] <fragalot> :/
[08:38:08] <miss0r|office2> I've seen lots of questions about this online, and people referring to settings in the bios(uefi) that are not available to me
[08:38:27] <miss0r|office2> Simply put; this bios seems to be somesort of light edition
[08:38:31] <fragalot> is there an update available?
[08:38:42] <fragalot> (or a downgrade)
[08:38:53] <miss0r|office2> Yep. I already "flashed" the bios to the newest. Made no difference
[08:39:02] <miss0r|office2> I haven't seen a downgrade oficially available
[08:39:54] <miss0r|office2> I can't even get it to boot the installer. I've tried alot of different things, including; 3 different flash drives. 1 SATA dvd drive, one USB dvd drive.
[08:40:05] <Loetmichel> SpeedEvil:the couplers themselves are way to slow. resistors wont help
[08:40:07] <miss0r|office2> And alot of different software combinations on either. None of which booted
[08:40:16] <SpeedEvil> Loetmichel: k.
[08:40:38] <fragalot> SUCCESS
[08:40:44] <miss0r|office2> Great! :D
[08:41:41] <fragalot> third party library, their variable is "timeout_ms" with the comment "timeout in milliseconds".. tracking that down a few dozen functions and #define's, I find that it's compared to system ticks.. which are in the nanosecond range.
[08:41:49] <fragalot> I'm surprised it ever worked at all, lol
[08:42:11] <miss0r|office2> Ha. Nice catch
[08:43:05] <MarcelineVQ> :(
[08:43:56] <fragalot> Nope. it still happens.
[08:44:05] * fragalot continues digging
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[08:45:25] <CaptHindsight> miss0r|office2: yes, we have some PC's here with "light" version BIOS where we can't kill power management
[08:46:08] <CaptHindsight> the CPU and chipset are known working well with RTAI but the system vendor decided to leave out most BIOS features to reduce service issues
[08:46:38] <miss0r|office2> CaptHindsight: Luckily I can do the power management and CPU throttle settings
[08:46:45] <miss0r|office2> But I can't do CSM or legacy
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[08:53:30] <miss0r|office2> Is it possible to download the latest debian version and install the linux cnc tools ontop of that?
[08:56:07] <fragalot> if you hate yourself, yes
[08:56:19] <fragalot> but what makes you think debian will boot?
[08:56:51] <miss0r|office2> Some loudmouths in #linux
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[08:57:04] <miss0r|office2> Come to think of it; I DO hate myself :D
[08:57:08] <miss0r|office2> but not that much...
[08:57:14] * miss0r|office2 is reading on what is requited to do it
[08:57:27] <miss0r|office2> Fak! unbelieveable that I cannot boot a simple installation!
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[09:10:17] <beachbumpete1> Morning LinuxCNC :)
[09:10:32] <miss0r|office2> 'afternoon ;)
[09:10:41] <beachbumpete1> heh
[09:10:45] <beachbumpete1> not yet anyway
[09:11:03] * miss0r|office2 will soon throw a new motherboard out the window
[09:11:04] <miss0r|office2> :D
[09:11:13] <beachbumpete1> gotta troubleshoot our new/used moulder
[09:11:42] <miss0r|office2> Sounds like fun :D
[09:12:00] <beachbumpete1> it has DRO on each of 20 axes of movement and the system is down from a short somewhere in there
[09:12:17] <miss0r|office2> bah.. Thats alot of wires :D
[09:12:30] <beachbumpete1> they all report to a control panel that outputs the 24vdc to power them
[09:12:54] <beachbumpete1> but when we turn it on the displays are all blank and blinking
[09:13:30] <beachbumpete1> remove the power 24v and it works again so something is bringing down the PPS probably a short somwhere
[09:13:59] <beachbumpete1> so I will be crawling around in there today looking for the problem one DRO head at a time.... LOL
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[09:16:18] <miss0r|office2> hehe :D luckily its most likely not bathed in those nasty small pointy chips
[09:18:37] <jthornton> cool first egg of the day has been extra large for the last 3 days
[09:19:29] <jthornton> Pete most power supplies will shut down if overloaded so yea a short somewhere... have fun
[09:20:41] <miss0r|office2> I am realy the only one having so much trouble booting linux cnc on a uefi?
[09:22:04] <gregcnc> which motherboard did you end up with?
[09:22:14] <miss0r|office2> Asrock J4105M
[09:23:48] <miss0r|office2> pcw are you around? I'm having some nasty issues with installing linuxcnc :)
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[09:30:14] <JT-Shop> miss0r|office2: how are you trying to install linuxcnc?
[09:30:22] <miss0r|office2> yep
[09:30:40] <miss0r|office2> Well, firstly I would like for the pc to boot my installation media. That is where I am failing at the moment
[09:34:36] <miss0r|office2> It seems I absolutly *NEED* to use UEFI boot, as this motherboard does not support legacy. I just need to figure out how to add an UEFI bootloader to the linuxcnc installation media
[09:37:37] <JT-Shop> can't you select what to boot from in the boot screen like del or f12
[09:37:57] <miss0r|office2> yep. But it simply does not boot it.
[09:38:50] <methods_> set up a pxeboot server
[09:39:06] <gregcnc> fast boot off and legacy usb enabled?
[09:39:08] <miss0r|office2> methods_: I guess I could do that.. but won't it be just as picky?
[09:39:22] <miss0r|office2> gregcnc: I do not have any USB options _AT_ALL_
[09:39:29] <methods_> possibly
[09:39:49] <miss0r|office2> Will try the pxe server
[09:40:18] <methods_> that's what i do when i have trouble children that won't boot from media
[09:40:28] <methods_> and i'm too lazy to bust out a cd-rom/dvd
[09:40:50] <pcw_home> what image are you trying to boot?
[09:41:54] <miss0r|office2> pcw_home: linuxcnc-2.7-wheezy
[09:43:22] <pcw_home> I would try the stretch image, another option is to install on a different machine then move hard drive
[09:43:49] <miss0r|office2> stretch image? :)
[09:44:02] <miss0r|office2> Its just a pain it won't just boot. I hate UEFI
[09:46:12] <miss0r|office2> pcw_home: The one considered 'testing' ?
[09:46:40] <pcw_home> I think the J4105 needs a pretty new kernel for video support
[09:46:58] <miss0r|office2> Then I'll stick a video card in there.
[09:47:13] <miss0r|office2> Perhaps its just the video card failing me? :)
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[09:48:14] <pcw_home> Rather than fight boot options its probably simper to install on a different machine
[09:51:50] <beachbumpete1> jthornton: agreed thank you ;)
[09:52:39] <miss0r|office2> pcw_home: Yeah. That is begenning to sounds like the way to go. When doing so, would you still recommend using the stretch version?
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[09:55:34] <gregcnc> https://forum.linuxcnc.org
[09:56:15] <miss0r|office2> gregcnc: Basically the tread that made me get this motherboard
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[09:59:25] <pcw_home> I would reccomend Stretch just because Wheezy is pretty old for a 4105
[09:59:52] <miss0r|office2> Alright. I will see if that boots on the new machine, if not, I will install it in a different pc
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[10:26:31] <miss0r|office2> bah... Even installing it on another computer presents problems. It would seem the resolution for the setup screen is too great for the monitor I have for the test setup :(
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[10:43:56] <Loetmichel> hmm. got the CNC 6040 running... at 45mm/s... bummer... now to get the ref switches installed...
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[12:24:45] <fragalot> hey
[12:27:31] <gloops> sht, just lost position half way through a 4-5 hour job
[12:27:40] <fragalot> ._.
[12:28:06] <gloops> no was back..is there?
[12:28:12] <gloops> way
[12:28:15] <fragalot> when material is gone, it's gone
[12:28:25] <gloops> it wasnt cutting at the time
[12:28:32] <fragalot> if the material is not yet gone, you can figure out where it was, find the position, and hit go again
[12:28:47] <gloops> how can i find the position?
[12:28:56] <gloops> i hot stop and homed it
[12:28:58] <gloops> hit
[12:28:59] <fragalot> edge finder, if there is an edge you can use as a reference
[12:29:35] <gloops> hmm, there is a pocket
[12:30:20] <gloops> 20mm back from the pocket is the xy0
[12:30:33] <gloops> lol, i cant see it happening
[12:31:05] <fragalot> why not? if there is a pocket in a known location, you're set
[12:31:14] <gloops> no edge finder
[12:31:28] <gloops> also new tool of different diamter
[12:31:37] <gloops> although could put the old tool back
[12:31:39] <fragalot> neither is an issue
[12:31:41] <gloops> im not to a few thou here
[12:31:54] <fragalot> you can find the edge with the edge of the tool
[12:32:07] <fragalot> if you spin it by hand, once you feel resistance you've reached the edge
[12:32:14] <fragalot> then you're off by half the diameter
[12:32:28] <gloops> if i put the old tool back, get it smack in the corner of the pocket, then deduct 20mm from x and y....
[12:32:41] <fragalot> corners are hard
[12:32:44] <fragalot> go for the sides
[12:33:08] <fragalot> you can set the X and Y locations individually, makes it easier
[12:33:09] <gloops> worth a go for 10 minutes i suppose, to save a couple of hours
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[12:35:52] <gregcnc> is homing not accurate that you can't go back to the work offset and be in the right place?
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[12:43:39] <fragalot> gregcnc: that depends greatly on the sensors used, and it also assumes that you KNOW what the work offset was.
[12:44:38] <gregcnc> of course, but the offset should still be there unless cleared
[12:51:11] <gloops> too late
[12:51:36] <gregcnc> what happened?
[12:51:54] <gloops> gregcnc so if home and then run from the start again, it will find the touch off co-ordinates from the last touch off
[12:52:42] <gregcnc> touch off enters values into the work offset selected G54, etc.
[12:52:53] <gloops> yes
[12:53:00] <gregcnc> then what are you asking?
[12:53:03] <gloops> i could have saved that as it wasnt cutting
[12:53:38] <gregcnc> you don't have to save anything, those values don't change until cleared or another touch is performed to overwrite those values
[12:53:46] <gloops> right
[12:53:52] <gregcnc> so what is the question
[12:54:07] <gloops> thats a new one to me - i just automatically assume position is lost - thats it
[12:54:18] <gloops> if it isnt cutting at the time - nothing is lost
[12:54:39] <gregcnc> if homing is accurate, all you needed in this case was to rehome the machine
[12:54:44] <gloops> yes
[12:55:08] <gloops> now i feel even more pissed off lol
[12:55:16] <gregcnc> i'm not asking questions so an a bit confused
[12:55:45] <gloops> im saying i see what you mean - yes thats all i had to do
[12:55:56] <gregcnc> ah ok
[12:56:31] <gloops> i feel more pissed off now - pissed off that i lost position, and pissed off because on this occasion i could have recovered it
[12:57:03] <gregcnc> how did you lose the offset? or did you pull the workpiece?
[12:57:24] <gloops> also pissed off because this is for my mrs whos expecting a present to take to a wedding on saturday, and it isnt made yet
[12:57:38] <gloops> i re-touched off the Y
[12:57:59] <CaptHindsight> still have 48 hours+
[12:58:14] <CaptHindsight> who needs sleep
[12:58:24] <gloops> and half the ÂŁ50 lump of oak
[12:59:18] <gregcnc> that's part of this game, sometimes mistakes cost 10kSUD spindles or worse
[12:59:51] <gloops> ill do it tommorrow, finish it friday
[13:00:05] <gloops> danish oil only takes a couple hours to dry
[13:04:22] <miss0r|office2> Success !
[13:04:39] <miss0r|office2> pcw_home: Stretch was what was needed. Thanks :)
[13:04:49] <miss0r|office2> gloops: wtf is danish oil? :)
[13:09:25] <CaptHindsight> what you get when you squeeze danes hard enough
[13:09:39] <miss0r|office2> CaptHindsight: Thats just called 'fat' 'round here
[13:09:55] <CaptHindsight> miss0r|office2: there are all sorts of wood treatments with odd names
[13:10:01] <miss0r|office2> yeah
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[13:16:05] <CaptHindsight> miss0r|office2: https://en.wikipedia.org
[13:20:50] <fragalot> miss0r|office2: Boten Anna. You're welcome.
[13:22:19] <fragalot> miss0r|office2: danish oil = linseed oil mixed with varnish
[13:33:06] <miss0r|office2> fragalot: You can't break me with boten Anna.... I've already been broken by it earlier in life :)
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[13:35:38] <fragalot> miss0r|office2: The re-breakening.
[13:35:45] <miss0r|office2> :D
[13:35:46] <fragalot> so how did you get your POS to boot?
[13:36:16] <miss0r|office2> downloaded the 'testing' version of linuxcnc, based on Debian stretch.
[13:36:41] <miss0r|office2> Apparently my hardware was so new, that they had figured a new way to have uefi screw everyone using a non windows os
[13:36:47] <fragalot> so you've been blaming the poor mobo manufacturer because of a dodgy linuxcnc kernel? :P
[13:37:16] <miss0r|office2> I am still very much blaming them - because, as you know, linux is flawless
[13:37:21] <miss0r|office2> FLAWLESS I TELLS YA !
[13:37:25] <fragalot> some kernels more than others
[13:37:32] <miss0r|office2> _FLAWLESS_
[13:37:33] <miss0r|office2> :)
[13:38:52] <miss0r|office2> I'm unsure how well the computer is doing the the latency test. I'm sorta' confused about what is acceptable or not; especially when running servos
[13:39:20] <fragalot> so mean especially when running mesa cards that do most of the work for you?
[13:39:57] <miss0r|office2> yeah. So it is not critical. It just can't 'not answer' when called upon :)
[13:40:23] * miss0r|office2 will now go design the layout of the box to come..
[13:40:42] <miss0r|office2> Although, I am honnestly considering buying a steel cabinet with a hinged lid on it
[13:41:09] * fragalot did
[13:41:16] <fragalot> miss0r|office2: you know you want to get a rittal desk :D
[13:41:32] <miss0r|office2> a rittal desk? wtf? :D
[13:41:33] <fragalot> I'm sure you could fit it outside somewhere
[13:41:54] <fragalot> miss0r|office2: https://www.rittal.com
[13:41:59] <miss0r|office2> haha. I'll need to suspend a tarp between some trees then :D
[13:42:19] <miss0r|office2> that is pretty sexy.. :D
[13:42:26] <miss0r|office2> But I am going for small here.
[13:43:08] <miss0r|office2> The smaller the better. The current controller is blocking access to little over half my stock shelfing.. The new one would do well, by staying out'a the way :D
[13:43:46] <fragalot> xD
[13:44:28] <CaptHindsight> I've wondered who actually buys those
[13:44:34] <fragalot> we do
[13:45:00] <fragalot> mostly paper mills that request that style instead of the 'default' AE style
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[13:46:41] <CaptHindsight> https://www.rittal.com
[13:46:59] <miss0r|office2> :D
[13:47:18] <CaptHindsight> pretty sure that is ~$2k in white
[13:47:23] <fragalot> haha
[13:47:24] <CaptHindsight> pre drilled
[13:47:28] <miss0r|office2> wtf haha
[13:47:46] <miss0r|office2> Industrial clients will buy that without thinking :)
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[13:48:22] <CaptHindsight> on ebay for EUR 108,99
[13:48:28] <fragalot> when I said 'we do', I meant the TP Consoles :P
[13:48:48] <fragalot> useful for control centres in larger pants
[13:48:49] <fragalot> plants
[13:48:51] <fragalot> >.>
[13:48:55] <CaptHindsight> nice stuff
[13:50:22] <miss0r|office2> Having no idea about this latency test, does this look alright: https://imgur.com
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[13:53:24] <CaptHindsight> fine
[13:54:49] <CaptHindsight> it's frustrating when it looks like yours and then there are 1-2 spikes way way out to one or both sides every 2 hours
[13:55:32] <miss0r|office2> Hehe, I bet
[13:55:56] <miss0r|office2> So this is perhaps even a good result? (This motherboard was 2 seconds away from becomming a paper weight earlier :)
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[13:56:28] <fragalot> I bet it'd fit fine mounted on the door of my cabinet
[13:57:00] <miss0r|office2> fragalot: how would I get it to you? I am running out of carriers to trust
[13:57:16] <fragalot> deliver it yourself
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[13:57:27] <miss0r|office2> hehe. Nah. I'll use it. It finally works :D
[13:59:44] <miss0r|office2> It seems I'll need a 600x500x200 cabinet. HxWxD. That sounds a bit bulky though
[14:00:24] <fragalot> mine's 600x800x300
[14:00:28] <fragalot> >.<
[14:00:40] <miss0r|office2> for your cnc project?
[14:00:44] <fragalot> (and it IS bulky!)
[14:00:44] <fragalot> yes
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[14:01:13] <miss0r|office2> well.. You are going to have a terminal else where, I suppose. This going to be resting on a support right at eye level
[14:01:50] <fragalot> yeah this is getting tucked away into a cubby hole somewhere
[14:02:00] <miss0r|office2> hehe yeah
[14:02:08] <fragalot> or on the wall with a panelPC mounted in it, who knows
[14:02:24] <miss0r|office2> Also; This only has to be this big to allow me to have the screen in it
[14:02:29] <miss0r|office2> 17" touchscreen
[14:02:36] <miss0r|office2> (One I had laying around)
[14:02:47] <miss0r|office2> 12" would've been nicer
[14:03:40] <Joe_Hildreth> Hello all
[14:04:13] <miss0r|office2> hello Joe
[14:05:12] <miss0r|office2> fragalot: Is your cabinet stainless? or just painted steel?
[14:05:24] <fragalot> painted
[14:05:26] <Joe_Hildreth> I have been working on another installment of CNC for the home hobbyist. This one is about stepper drivers. I have a question about the path of things. Is this correct or am I missing something ...
[14:05:39] <Joe_Hildreth> Is the following path correct? GCode -> Interpreter -> Trajectory Planner -> Motion -> Stepper Driver -> Stepper Motor
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[14:20:51] <Joe_Hildreth> no takers???
[14:21:38] <andypugh> For what?
[14:22:21] <CaptHindsight> GCode -> Interpreter -> Trajectory Planner -> Motion -> Stepper Driver -> Stepper Motor
[14:22:41] <CaptHindsight> yes
[14:23:33] <CaptHindsight> for open loop anyway
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[14:27:00] <Loetmichel> hmm, is the servo thread under "motion"?
[14:27:58] <andypugh> “motion” runs in the servo thread
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[14:30:19] <CaptHindsight> http://wiki.linuxcnc.org
[14:33:22] <andypugh> CaptHindsight: I prefer not to use the wiki for this sort of thing, it’s not maintained and is horribly out of date in places
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[14:36:05] <andypugh> The diagrams on that Wiki page seem to be from here; http://linuxcnc.org
[14:36:06] <CaptHindsight> ok
[14:37:04] <CaptHindsight> any idea what exactly is so repulsive to many about NML?
[14:37:22] <andypugh> It’s old.
[14:37:40] <andypugh> (Also, inefficient and hard to extend without source-code changes)
[14:38:39] <CaptHindsight> old, not hip or old no longer supported by the devs?
[14:38:43] <andypugh> Worth noting that the chap who wrote it was surprised it was still in use and thought it should be replaced when he was telephoned from the Wichita meet-up 5 years ago...
[14:38:56] <CaptHindsight> ah
[14:39:15] <andypugh> That was Shackleford, from NIST.
[14:39:18] <CaptHindsight> https://en.wikipedia.org
[14:40:13] <CaptHindsight> besides milling remotely from your phone while at the beach what do they want it for?
[14:40:38] <CaptHindsight> asking for a friend
[14:41:58] <andypugh> I think that, actually, Machinekit do only want it to mill from their phone
[14:42:24] <methods_> makes sense
[14:42:27] <andypugh> (Maybe because their choice of hardware, BBB is too weak to handle a GUI)
[14:42:42] <CaptHindsight> any idea of the hours required to swap NML to 0MQ?
[14:42:57] <CaptHindsight> i.mx8 is the chip they want
[14:43:10] <CaptHindsight> only took 5 years
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[14:43:28] <CaptHindsight> all the others decided to use a non-open GPU
[14:44:35] <CaptHindsight> but I think somebody had a tie to TI so they went for it
[14:44:53] <CaptHindsight> reffering to machinekit
[14:48:06] <CaptHindsight> C Morely is looking for others interested in separating HAL
[14:50:05] <CaptHindsight> my list might be adding support for Vulkan (openGL's successor)
[14:50:32] <CaptHindsight> separating HAL
[14:50:40] <CaptHindsight> replace NML
[14:51:46] <CaptHindsight> up until now I've just had to keep RTAI going
[14:52:37] <CaptHindsight> I just use the parts LCNC I need and don't worry about how it's "overkill" or "big"
[14:52:41] <CaptHindsight> it just works
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[15:18:05] <andypugh> Does Digikey work for other folks? I am getting a 403
[15:18:25] <CaptHindsight> same here
[15:18:45] <CaptHindsight> had problems with usps.com earlier as well
[15:20:05] <CaptHindsight> yet https://downforeveryoneorjustme.com
[15:20:40] <CaptHindsight> and down http://www.isitdownrightnow.com
[15:21:56] <roycroft> usps' onine tracking system has gotten to be pretty good, except it's down far too often
[15:22:56] <andypugh> 403 is not “Down” It is “up but not sending anything"
[15:25:51] <CaptHindsight> down enough :)
[15:27:52] <Joe_Hildreth> Sorry, was called away from computer. Thank you CaptHindsight. I just wanted to make a mention of the direction of information flow in this episode. I appreciate you guys and gals. Thanks!!
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[15:30:56] <Joe_Hildreth> Thank you for the links too. I may include them in the presentation.
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[15:53:42] <rmu|w> digikey (.at) is working here
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[16:07:50] <Tom_L> busy place today
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[16:55:52] <Deejay> gn8
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[17:08:19] * JT-Shop finally understands bit shifting :)
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[18:01:10] <Tom_L> JT-Shop did you get that sorted out from this morning?
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[18:01:50] <Tom_L> JT-Shop, http://tom-itx.no-ip.biz:81
[18:07:02] <Tom_L> To see if a bit is set or clear just requires the AND operator, but with no assignment. To see if bit 7 is set in the variable foo:
[18:07:04] <Tom_L> if(foo & 0x80)
[18:07:04] <Tom_L> {
[18:07:04] <Tom_L> }
[18:07:18] <Tom_L> may have done some good 8 hrs ago
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[18:21:47] <Tecan> https://github.com incase you needed one
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[18:25:20] <_unreal_> Opinion question?
[18:25:26] <Tecan> how if would i do if not exists then if [ -d "./rip" ]; then
[18:25:36] <_unreal_> So I got my nice not to expensive EMR relay
[18:25:45] <Tecan> [ !-d "./rip" ]
[18:26:05] <Tecan> just use an else ?
[18:26:15] <_unreal_> it is a DUAL contact single throw
[18:27:29] <_unreal_> Should I solder the short 12g wires to the LOAD contacts? or use the blade connectors?
[18:27:50] <_unreal_> I could be running upto 20A 120ac
[18:28:02] <_unreal_> the relay is rated for way more then that
[18:28:17] <_unreal_> this is a question of soldering the wires to the relay OR using the blade connectors?
[18:35:27] <Tom_L> don't solder
[18:37:04] <Tecan> oops wrong channel
[18:37:57] <_unreal_> Tecan, ?
[18:38:19] <Tom_L> o elseif if you want to be more specific
[18:38:23] <Tom_L> else is a catch all
[18:41:23] <Tom_L> btw Tecan, what does fi do?
[18:43:29] <_unreal_> @#$@#$ arg.... waiting on my custom 90 degree hdmi and micro sub cables
[18:45:36] <Tom_L> i'm obviously not from a unix croud. that's the craziest thing i've ever seen...
[18:45:58] <_unreal_> Tom_L, ?
[18:46:08] <Tom_L> crowd
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[18:46:48] <_unreal_> ahh I have no idea what you mean
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[19:04:21] <andypugh> _unreal_: What size are the blades? What is the current rating of matching crimps? Possibly plenty.
[19:06:21] <andypugh> (You might be surprised to find that D-sub connectors are 5A per pin..)
[19:07:08] <Tom_L> what surprises me is what they think a To220 MOSFET lead can take current wise
[19:07:49] <andypugh> Checking further, typical _solder_ D-subs are 7.5A
[19:08:31] <Tom_L> if they were from china they would melt the housing
[19:08:38] <andypugh> Tom_L: I can find 100A ones…
[19:08:43] <Tom_L> yeah
[19:08:51] <Tom_L> but will the leads hold up?
[19:09:08] <andypugh> It does seem a big ask
[19:09:18] <andypugh> https://uk.rs-online.com
[19:09:30] <Tom_L> i've got some 50A ones
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[20:12:31] <Tecan> found a way to speed up the ripper
[20:12:41] <Tecan> can do 5 in the same ammount of time
[20:13:10] <norias> https://www.youtube.com
[20:15:07] <norias> or, if you like, jack the knife
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[20:19:34] <Tecan> suiting :)
[20:19:47] <norias> I thought so
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[20:20:45] <Tecan> reminds me i need to figure out a way to convert vhs to avi, there is a movie called jack knife with de nero i want to see
[20:20:53] <Tecan> cant find it on torrent
[20:21:34] <Tecan> i got a really good deal on a ton of vhs tapes from a garage sale, 3 rubbermaid bins allmost full for 5 dollars and a 3d printed ring on a string toy
[20:21:42] <norias> huh
[20:22:42] <Loetmichel> Tecan: thats easy: get a vhs player and a video digitizer
[20:23:14] <Loetmichel> quality on those old tapes is usually gruesome though, even more gruesome when they are THAT old.
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[20:26:40] <Tecan> is 720x480 good enough for vhs ?
[20:27:01] <Tecan> https://www.ebay.ca found this for 8 dollars
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[20:27:36] <CaptHindsight> https://youtu.be singer looks full of energy, hah
[20:27:48] <Tecan> there are some pretty fancy usb3 ones out there but a bit expensive
[20:29:01] <Tecan> 30fps too low
[20:29:13] <Tecan> need to get a 1080 60 fps one for 20 dollars
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[20:32:08] <Loetmichel> Tecan: NTSC was even less pixels, and interlaced to top it off
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[20:32:21] <Loetmichel> so its effective 15 full frames per second
[20:32:35] <Loetmichel> ah, sorrs
[20:32:42] <Loetmichel> sorry, 30 full frames
[20:32:54] <Loetmichel> 60hz interlaced
[20:33:50] <CaptHindsight> QCIF was about what you saw on NTSC back in the olden days
[20:34:29] <Loetmichel> in theory NTSC has 720*480 and 30hz. Practically its more like quarter that
[20:34:37] <Loetmichel> (half in each direction)
[20:34:38] <CaptHindsight> unless you had a strong signal and a well tuned TV
[20:34:52] <Loetmichel> especially after such a long time of storing those tapes
[20:34:52] <Tecan> looks like the 16 dollar 1080p capture cards work with linux too
[20:35:38] <Tecan> waiting to confirm that, gotta find more info
[20:35:43] <Loetmichel> Tecan: 1080p dosent help at all when the source material is 320*240 at best. With a lot of dropouts
[20:36:26] <CaptHindsight> we used to envy PAL and SECAM
[20:36:29] <Loetmichel> its "firing cannons on sparrows" as we germans say ;)
[20:36:40] <Loetmichel> pal isnt THAT much better
[20:36:56] <CaptHindsight> oberkaputzing
[20:37:42] <Loetmichel> theoretically 768*575, but at 50hz interlaced and not that much more left of the signal after one term of recording it on vhs and playing it back
[20:38:08] <Loetmichel> overkill, yes. couldnt remember that word/phrase
[20:38:19] <SpeedEvil> There are video recorders that will do closer to PAL limits. VHS ain't it.
[20:38:57] <Loetmichel> SpeedEvil: tell me about it... i still have a working first gen sony betamax recorder in the cellar ;)
[20:39:00] <CaptHindsight> NTSC had just a vestigal sideband and the notch filter would wipe out most "pixels" over 200 in any direction
[20:39:42] <SpeedEvil> Loetmichel: Beta isn't _that_ much better.
[20:39:50] <CaptHindsight> we had 3/4" beta for higher bandwidth
[20:40:14] <SpeedEvil> yeah - the expensive one (not consumer beta) is better.
[20:40:16] <Loetmichel> SpeedEvil: the sony could do close to 12 MHZ video bandwith
[20:40:37] <Loetmichel> thats a LOT better than the usual 3-6 mhz from cheap VHS recorders
[20:41:04] <CaptHindsight> https://en.wikipedia.org
[20:42:55] <CaptHindsight> seems like yesterday I was bring home my new Beta-HIFI unit for $800 from work
[20:43:51] <Loetmichel> ah sorry, 12 mhz is the theoretical pal resolution... getting old mixing up memories
[20:44:05] <CaptHindsight> that's like $2000 today
[20:44:19] <CaptHindsight> what was i thinking
[20:44:41] <CaptHindsight> yeah, I don't think about it much anymore...
[20:44:58] <Loetmichel> SpeedEvil: a few decades ago i had to service some betacam equipment... maan that looked a LOT better than my home recorder ;)
[20:45:07] <CaptHindsight> I'd probably remember if I needed to restore one
[20:45:19] <SpeedEvil> Loetmichel: yeah - seen techmoan?
[20:45:45] <SpeedEvil> I don't know if he's reviewed any of the high end stuff of the time
[20:45:57] <Loetmichel> the cyber movie with the bad F/X?
[20:46:00] <Loetmichel> yes
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[20:47:33] <Loetmichel> ah, no that was called somewhat different... just remembered a nerd with some sort of gloves on hacking on a apple 2e or something similar
[20:47:41] <Loetmichel> could have been a dragon, too
[20:48:08] <SpeedEvil> No, this is a guy that does reviews of old audio/video formats on youtube.
[20:50:09] <Loetmichel> ah, he was called "hackerman" from the moviel "kung fury"... and it was a Ti-99 ;)
[20:50:17] <Loetmichel> thanks, google ;)
[20:50:25] <Tecan> the 16 dollar 1080 card gets really hot i guess and i cant find anything about hd dvr1997 chipset driver for linux
[20:50:47] <Tecan> luckily there are others that work
[20:50:53] <Loetmichel> so what? let it get hot. where is the problem?
[20:51:10] <Tecan> i cant find any driver info
[20:51:15] <Loetmichel> thats bad
[20:51:35] <Loetmichel> SpeedEvil: nope, never came across him
[20:52:36] <Loetmichel> oh, i did... actually i saw a video with him. about that weird portable tape machine/record/radio
[20:55:46] <andypugh> Techmoan has some fun stuff, I like this one: https://www.youtube.com
[20:56:49] <andypugh> (I was half way through, and so is the link, suggest going to the beginning)
[21:03:17] <CaptHindsight> don't mess with Andy, he's the code enforcer :)
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[21:56:33] <CaptHindsight> https://imgur.com
[21:56:45] <CaptHindsight> chips fly
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