#linuxcnc | Logs for 2012-01-28

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[00:16:09] <skunkworks> PCW: A little more.. so you would hook it directly to a network card?
[00:16:23] <PCW> Yes
[00:16:41] <skunkworks> cool
[00:17:02] <skunkworks> what are you using for realtime on the computer side?
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[00:17:56] <PCW> Just sending and receiving packets directed from the (dedicated) Ethernet hardware
[00:18:44] <andypugh> PCW: I wonder if an Arduino could be taught to speak SSLBP?
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[00:19:33] <PCW> Probably, can its UART do 2.5 Mbaud?
[00:20:03] <skunkworks> neat - boy - if you could create a networked 7i43....
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[00:20:08] <PCW> (doesnt actually have to thats just our default)
[00:20:27] <skunkworks> or similar..
[00:20:44] <andypugh> The web says folk have set p 2Mb
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[00:20:57] <andypugh> I would have to try it to se, I guess.
[00:21:29] <PCW> Thats kind of what the 7I80 is, a 3 connector 7I43 with Ethernet as one of its interface options
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[00:22:06] <PCW> SSLBB does have settable baud rates
[00:22:50] <skunkworks> PCW: do you think it would be possible with emc?
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[00:23:34] <PCW> most of our stuff will run at 10M baud but everything will run at 2.5
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[00:25:27] <PCW> skunkworks thats one thing I have been thinking of, as long as you just use the motherboard/PCI add-on Ethernet as a dedicated serial port
[00:25:29] <PCW> the 7I80s little processor can deal with a simple basic protocol in real time
[00:26:53] <andypugh> Looking on the web of a thousand lies, I am getting the impression that the Arduino UART tops out rather too low.
[00:27:02] <PCW> (8 bits 133 MHz 2K code 2K RAM)
[00:27:18] <skunkworks> neat - I think that would be cool
[00:28:38] <PCW> Right now Im looking for a linux or windows tool that sends/receives totally raw packets for testing
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[00:30:03] <jdhNC> PCW: http://packeth.sourceforge.net/
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[00:31:47] <PCW> Andy even 1M or 2M Baud would be OK, you can set SSLBPs baud rates on a per channel basis
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[00:31:49] <PCW> jdhNC: thanks! that looks like it will do the send part
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[00:32:24] <jdhNC> you can monitor raw frames with ethereal
[00:32:30] <jdhNC> or whatever it is called now, wireshark?
[00:33:02] <pfred1> ethereal changed its name?
[00:33:24] <pfred1> TBH I always misspelled it whenever I tried to invoke it anyways
[00:34:15] <pfred1> jdhNC ever try etherape?
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[00:34:50] <jdhNC> nope, never heard of it.
[00:35:16] <pfred1> its pretty cool makes a map of your net connections of these dots and lines and depending on how much bandwidth each is the dots grow
[00:35:34] <jdhNC> by using endpoints?
[00:35:39] <pfred1> pretty freaky if you're on a torrent
[00:36:00] <pfred1> aptitude install etherape and check it out
[00:36:14] <pfred1> I think you have to run it as root? it's been a while
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[00:36:35] <jdhNC> probably for promiscuous mode
[00:39:18] <pfred1> mine said error getting interface when I tried to invoke as a user runs fine su'ed to root
[00:39:43] <jdhNC> dmesg should show a switch to promisc
[00:40:04] <pfred1> [3180020.015641] device eth0 entered promiscuous mode
[00:40:31] <jdhNC> gotta be root, or anyone could sniff everything on the wire.
[00:40:48] <jdhNC> it was better before everything was switched.
[00:41:07] <pfred1> it is a very hypnotic app whenever i run it I find myself starting mindlessly at its window
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[00:42:17] <jdhNC> I had a PLC that would die every day at 10pm and 6am. Sniffed it for a few days and found a switch mis-config that allowed network backups to be spewed to every port on the vlan
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[00:43:02] <jdhNC> then it took me days to convince the IT weenies it was a problem
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[01:31:43] <Jymmm> Oh man, he left already...
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[01:36:26] <pfred1> who?
[01:36:27] <Jymmm> Bioling some water in a soup can in the hobo stove... http://i51.tinypic.com/2e51c2x.jpg
[01:36:37] <Jymmm> pfred1: Andy
[01:36:45] <pfred1> he stays on too late
[01:37:06] <pfred1> he is what like 5 hours ahead or something?
[01:37:17] <Jymmm> pfred1: Was just going to show him the hobo stove in operation
[01:37:44] <Jymmm> Works good with alcohol, fuel cans, and twings
[01:38:25] <pfred1> no hobo worth their sand is going to burn alcohol in a stove
[01:38:49] <Jymmm> DENATURED alcohol, cant drink that stuff
[01:38:59] <pfred1> tell that to a hobo
[01:39:21] <Jymmm> before or after he's done puking?
[01:39:37] <jdhNC> probably best to do both.
[01:39:43] <Jymmm> heh
[01:40:33] <Jymmm> Well, at least all the crap on the cans is now burned off at least
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[01:40:55] <jdhNC> are you planning on becoming a hobo?
[01:41:13] <Jymmm> Ya never know =)
[01:42:32] <Jymmm> I had seen a lot of them made, but all of them were kinda top-heavy scarry. I wanted to try to make one a little more stable.
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[01:44:50] <Jymmm> There's enough of a reservoir on the bottom to hold an ounce+ of denatured alcohol, or you could use sterno cans, or (what I prefer) are these FAA safe fuel cans that will not evaporate or explode on aircraft, then lastly (in a pinch) sticks and twigs
[01:45:35] <Jymmm> Oh, and fuel tabs too would work - I had forgotten about those.
[01:46:03] <pfred1> C4
[01:46:15] <pfred1> stuff burns nicely
[01:46:18] <Jymmm> pfred1: No hobo stove needed for c4 =)
[01:46:43] <Jymmm> I also lit it with vaseline cotton ball and a firestick
[01:47:09] <Jymmm> took about 15 strikes to FINALLY get the spark IN the can side opening =)
[01:47:32] <Jymmm> pfred1: c4 burns?
[01:47:37] <pfred1> yup
[01:47:43] <Jymmm> I thought it just exploded
[01:47:44] <pfred1> they checked it out on Mythbusters
[01:47:50] <pfred1> can't get the stuff to explode either
[01:48:01] <Jymmm> really?
[01:48:03] <pfred1> they dropped an anvil on it while it was on fire and everything
[01:48:17] <jdhNC> dynamite burns
[01:48:25] <pfred1> yeah it burns like hexamine
[01:48:30] <pfred1> pretty tame
[01:48:44] <Jymmm> hexamine burns at what 3000F ?
[01:48:55] <jdhNC> scared the crap out of me when he put it in the fire.
[01:49:03] <pfred1> donno it is fuel tabs for cooking though
[01:50:02] <Jymmm> This is the FAA Safe stuff I was talking about.... http://makais.com/product_images/s/050/0450__96756_zoom.jpg
[01:50:22] <Jymmm> It doesn't evaporate either, good for long term storage.
[01:50:40] <pfred1> what is is wax?
[01:50:44] <Jymmm> Sterno in a sealed can lasts only abou 6 month on the shelf.
[01:51:01] <Jymmm> pfred1: No,diethylene glycol
[01:51:16] <pfred1> sounds like antifreeze
[01:51:46] <Jymmm> http://en.wikipedia.org/wiki/Diethylene_glycol
[01:53:07] <Jymmm> pfred1: that would be Ethylene glycol == antifreeze
[01:53:39] <pfred1> like i said pretty close
[01:57:47] <Jymmm> well, one burns, one doens't
[01:58:04] <pfred1> antifreeze stinks pretty bad when you boil it off
[01:58:27] <Jymmm> this stuff is odorless when burnt, or slightly sweet
[01:58:35] <pfred1> plus I'm pretty sure if yo uget anything hot enough it burns
[01:58:53] <pfred1> you can burn water!
[01:59:07] <Jymmm> but it stinks when you do
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[02:00:38] <Jymmm> I've had some of those fuel cans for 5+ years and still at the same level and burns just as good as they day I got them too.
[02:01:09] <pfred1> I'm good at building campfires
[02:01:28] <Jymmm> in 2ft of snow?
[02:01:31] <pfred1> I need to do some fires here I haven't done them in a while now
[02:01:51] <pfred1> the dead wood is really piling up
[02:02:10] <pfred1> I've melted aluminum on some of my wood fires
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[02:02:31] <Jymmm> vaseline soaked cottonballs make GREAT tinder
[02:02:44] <pfred1> yeah but vaseline doesn't grow on my trees here
[02:03:02] <Jymmm> it does in your medicine cabinet and your local store shelfs
[02:03:35] <pfred1> it might but they might take exception to me trying to haul off a cartload of it
[02:04:00] <Jymmm> Not at all
[02:04:01] <pfred1> I got like 1,000 dead trees
[02:04:15] <Jymmm> Got Marshmellows?
[02:04:28] <Jymmm> pfred1: where the hell are you?
[02:04:31] <pfred1> nah most of it is pole pines yo udon't want to eat anything cooked on them
[02:04:41] <pfred1> I live in Delaware
[02:04:48] <Jymmm> how many acres?
[02:04:51] <pfred1> 3
[02:04:55] <pfred1> wooded
[02:05:03] <Jymmm> 1000 dead on 2 acres?!
[02:05:07] <Jymmm> err 3
[02:05:22] <Jymmm> how many total?
[02:05:28] <pfred1> lets just say yo ucould burn them morning noon and night and you'd be burning trees for a long time
[02:05:34] <pfred1> years
[02:05:51] <Jymmm> and you dont use them for fuel?
[02:06:03] <pfred1> well being pines they have a lot of cresote to them
[02:06:20] <Jymmm> Ok, so nice big fat chimney
[02:06:20] <pfred1> so I'm not tii big on trying to burn them in a chimney
[02:06:44] <pfred1> too many people lose their houses over cresote fires
[02:06:55] <Jymmm> hell, you could make a boiler and power the neighborhood
[02:07:15] <pfred1> some people here do they have external furnaces
[02:07:28] <Jymmm> I didnt mean a home fireplace.
[02:08:06] <Jymmm> hire some kids to cut down and split that wood for ya
[02:08:25] <pfred1> it falls on its own
[02:08:31] <Jymmm> ok, there ya go
[02:08:42] <pfred1> seems ants eat some of them
[02:08:56] <pfred1> or termites I donno they have like little pinholes all shot through them
[02:09:04] <Jymmm> *I* wouldn't just waste fuel like that, put it to SOEM good use
[02:09:13] <pfred1> I used to but it gets old
[02:09:29] <Jymmm> well, that's where the kids come in =)
[02:09:44] <pfred1> any kids around here I don't want them around my place
[02:10:04] <Jymmm> well, I dont mean 14yo's
[02:10:08] <pfred1> not that I ever seen any but still people around here you're better off not knowing them and them not knowing you
[02:10:15] <Jymmm> ah
[02:10:21] <jdhNC> geez... where do you live?
[02:10:48] <pfred1> it is a very poor area without too many prospects
[02:11:14] <pfred1> I live west of a place called Rehoboth beach
[02:11:25] <Jymmm> pfred1: I'm sure there are some GOOD kids in that bunch that would love a part time job to help ends meet
[02:12:53] <jdhNC> Rehoboth sounds familiar, but not in .de.us
[02:13:12] <pfred1> it is the east coast gay capitol of the country :)
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[02:13:47] <pfred1> that is its big claim to fame
[02:14:01] <jdhNC> hmm... I have a friend from Cape May (gay) perhaps it's just the general area
[02:14:17] <pfred1> they could take the ferry and be right in lewes
[02:14:24] <pfred1> I'm sure a lot of faries do :)
[02:15:18] <pfred1> I'm enough inland of all that it doesn't affect me
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[02:53:26] <Jymmm> GAY BASH AT pfred1's!!!
[02:53:47] <pfred1> Jymmm they don't come this far inland
[02:54:20] <Jymmm> pfred1: They do now, told em you are serving pink cocktails
[02:54:56] <Jymmm> pfred1: and that Liza will be there too
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[10:21:07] <awallin> check this: http://openscam.com/
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[10:35:26] <awallin> sumpfralle: did you know about OpenSCAM ?
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[14:58:08] <cncbasher> anyone have watchdog probs , with latest git pull
[14:58:33] <cncbasher> Watchdog has bit! (set the .has-bit pin to False to resume)
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[15:55:33] <seb_kuzminsky> cncbasher: oops, i just messed with that...
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[15:59:59] <seb_kuzminsky> awallin: dude named his project open scam? :-/
[16:01:13] <seb_kuzminsky> cncbasher: can you pastebin your config files please?
[16:01:48] <cncbasher> yea sure 1 min
[16:02:04] <seb_kuzminsky> i guess it was too much to hope that that change wouldnt break it for anyone
[16:02:34] <seb_kuzminsky> does it bite right when you start linuxcnc, or is it later while running?
[16:02:47] <cncbasher> soon as it starts up
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[16:06:04] <seb_kuzminsky> what's your servo period?
[16:06:14] <cncbasher> http://pastebin.com/xeS7FdCx
[16:06:20] <seb_kuzminsky> thx
[16:06:28] <cncbasher> running steppers
[16:06:41] <cncbasher> on this particular setup
[16:07:01] <seb_kuzminsky> somewhat confusingly, there's still a thread called the "servo thread"
[16:07:15] <seb_kuzminsky> it's in the .ini file, in the [EMCMOT] section, a variable called SERVO_PERIOD
[16:08:17] <seb_kuzminsky> you set your watchdog timeout to 10 ms, that seems fine
[16:08:23] <seb_kuzminsky> you run the pet_watchdog function, that seems fine
[16:13:40] <cncbasher> http://pastebin.com/2egPtySB
[16:13:54] <cncbasher> thats the current dmesg output
[16:15:21] <seb_kuzminsky> what's your servo period?
[16:18:03] <cncbasher> SERVO_PERIOD = 1000000
[16:18:21] <cncbasher> basic pncconf defaults at the moment
[16:18:29] <seb_kuzminsky> yep, that's good too
[16:18:38] <seb_kuzminsky> ok bummer, it's not something easy ;-)
[16:18:47] <seb_kuzminsky> i'll try to reproduce it here
[16:19:29] <seb_kuzminsky> i did all my testing on a 5i20, i should try a 7i43...
[16:19:35] <seb_kuzminsky> i'll do it later today
[16:20:17] <cncbasher> http://pastebin.com/DeVLGtXA
[16:20:27] <cncbasher> theirs my ini file also
[16:20:46] <cncbasher> oh heck hope it's not trauma now for you
[16:22:43] <seb_kuzminsky> logger[mah]:
[16:22:43] <logger[mah]> seb_kuzminsky: Log stored at http://linuxcnc.mah.priv.at/irc/%23linuxcnc/2012-01-28.html
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[16:23:20] <seb_kuzminsky> cncbasher: thanks for the bug report!
[16:24:37] <cncbasher> seb>hope it's only a small bug to squash
[16:24:43] <seb_kuzminsky> me too! :-)
[16:24:48] <mrsun> hmm, coordinate table and a stirdy base to bolt it to could make a pretty nice mill, with replaceable table =)
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[19:47:08] <pcw_home> seb_kuzminsky: (should you read this later) if you ever disable the watchdog by setting a
[19:47:10] <pcw_home> timeout value with the MSB set, this will cause a watchdog bite if the previous MSB was 0
[19:47:12] <pcw_home> so you will need to clear this before proceeding
[19:48:12] <GoSebGo> pcw_home: ok i'll check for that
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[20:56:31] <gene76> Hi all, I have a probing probem. Probe is wired pin 15 high when no contact, have "net probe parport.0.pin-15-in-not => motion.probe-input" in .hal, and I can see motion-probe-input responding but G38.2 f.1 z0.055 doesn't see it, should see it at about z0.0571
[20:56:55] <gene76> Ideas?
[20:58:01] <gene76> motion-probe-input does respond ok
[20:58:32] <cradek> what version are you running?
[20:59:02] <gene76> 2.6.0-pre, last that I know about
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[20:59:34] <gene76> Before the name change IOW Chris
[20:59:42] <cradek> unfortunately that version number doesn't tell us much
[20:59:56] <cradek> I think this might be a bug that is fixed, but I can't say whether you have the fix
[20:59:57] <gene76> WHere do I look?
[21:00:08] <cradek> is it a buildbot package, or did you build it?
[21:00:19] <gene76> buildbot
[21:00:38] <cradek> dpkg -l emc2
[21:00:59] <cradek> will tell you the git revision
[21:01:20] <gene76> 2.6.0~pre0.2264.gfecf238
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[21:02:53] <cradek> hm, you sure oughta have the fix, then.
[21:03:13] <cradek> does motion.probe-input switch from FALSE to TRUE when you poke the probe?
[21:04:33] <gene76> I'll have to check that, I am using halscope to monitor it. will the name change be automatic or do I need to putz with anything in /etc?
[21:05:02] <cradek> I'm not sure the state of updating via buildbot packages
[21:05:22] <cradek> I think the linuxcnc package "obsoletes" the emc2 package
[21:05:52] <gene76> The question answer is yes.
[21:06:16] <cradek> ok
[21:06:19] <gene76> If tthere is a new build it hasn't been offered.
[21:06:42] <cradek> just to be sure I understand you - the g38.2 move continues to move after the motion.probe-input sees a rising edge?
[21:07:44] <gene76> yes, my stop point is about -.002" from that point, it runs to the end and reports the signal wasn't found
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[21:08:27] <cradek> ok hmm, the only way I know this is possible is if you're not running the version you think. do you have more than one version on the system? maybe one installed and one run-in-place?
[21:08:49] <cradek> (well unless we have a regression of course)
[21:09:56] <gene76> I'm now confused, I go back and do it again from about 2 thou up and its now working!
[21:10:15] <gene76> Lemme back half an inch & try again.
[21:13:31] <gene76> and it has now worked twice from .5" up, stopping at .0559 twice
[21:13:54] <gene76> How can I inspect #5063 right now from MDI
[21:14:11] <cradek> (debug,#5063)
[21:15:30] <gene76> 0.055953, I think thats close enough for the girls I go with :)
[21:17:20] <gene76> So it is now working and my auto z cal script should too. Find out how tall my gage contact is and a bit of subtraction should give me a G92 Zvalue
[21:17:53] <cradek> cool! tool length probing?
[21:19:13] <gene76> That is the general idea Chris. But first I need to clean it up so I can remount to pcb pallet and measure how tall it is by the same means because what I need for the math is the difference
[21:19:25] <cradek> aha
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[21:19:35] <cradek> tool length probing is one of the things that makes life good
[21:19:57] <gene76> I have been known to skin a cat now and then.. ;-)
[21:20:02] <cradek> that and coffee
[21:20:11] <gene76> Amen
[21:20:15] <cradek> I'm sure I could come up with a longer list if I tried.
[21:21:32] <gene76> So could I but at my age, most of the other important things are several entries down the list. Dammit. Sugar ruins lots of things...
[21:23:18] <gene76> Speaking of coffee, mine is both cold & empty, a truly revoltin' development, plus its time to go see what Dee wants for dinner Thanks for the hand holding.
[21:24:10] <gene76> I'll put that script up on my web page once I've proved its bullet-proof.
[21:24:43] <gene76> You will have perms to add it to the wiki in case I crash a drive :(
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[21:33:09] <Jymmm> GENE !!!! How the hell are ya?
[21:34:09] <Jymmm> And everyone else too =)
[21:49:55] <Loetmichel> *bah* ... cold coffee... the mentoin alone gets my guts revolting...
[21:50:46] * Loetmichel makes himself a another latte macciato with caramel syrup ;-)
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[22:00:31] <IchGucksLive> hi the new patch for foamcutting is out now selection is also includet
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[22:12:04] <Jymmm> latte macciato with caramel syrup?! THAT AINT COFFEE!!!!!!!!!!!!!!!!!!!
[22:12:36] <Jymmm> That's some foo foo poofiness drunk thru a pink straw with an umbrella on top!
[22:13:19] <Jymmm> Now, when you can pour your coffee and it takes 5m to fill a cup cause it's so thick. NOW YER TALK'N!!! LOL
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[22:29:04] <andypugh> A friend of mins gave me as espresso machine last week. I haven't slept since.
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[22:31:04] <Loetmichel> harhar
[22:31:41] <Loetmichel> Jymmm/andypugh: http://www.cyrom.org/palbum/main.php?g2_itemId=12721 <- i have MORE strange syrups there...
[22:32:23] <Loetmichel> even irish coffe should be somwhere
[22:32:25] <Loetmichel> ;-)
[22:32:32] <andypugh> I wonder how hard it would be to plumb mine in to the mains water?
[22:33:35] <Loetmichel> andypugh: no, just buy a "filler" for the water closet and mount it behind the water tank
[22:34:07] <Loetmichel> closed curcuit isnt possible 'cause there are no valves inside to block the water pressure.
[22:34:10] <Loetmichel> just the pumps
[22:34:46] <andypugh> I was thinking I could perhaps add as solenoid valve that actuates with the pump.
[22:38:49] <Loetmichel> hmmm
[22:38:53] <Loetmichel> i wouldnt risk taht
[22:38:57] <Loetmichel> that
[22:39:33] <Loetmichel> because i dont know how the pumps react if the get 4++bar on the INPUT
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[22:40:13] <Loetmichel> if they put the input pressure on TOP of the output you COULD ruin the plumbing inside the saeco
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[22:40:58] <andypugh> Mine is a Gaggia, but I think the same thing applies
[22:41:15] <andypugh> I guess the right component is a 0-bar regulator.
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[22:46:42] <Loetmichel> or a miniature toilet valve inside the tank ;-)
[22:48:55] <Loetmichel> http://www.ebay.de/itm/Geberit-Ersatz-Fullventil-Kompakt-Spulkasten-215510001-/260757543735 <- something like this
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[23:05:15] <andypugh> It would work, but seems expensive. And doesn't seem to involve an Arduino in any way!
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[23:27:09] <andypugh> Woohoo! I can make bitfiles!
[23:27:50] <andypugh> As an exercise I just made a 24-encoder 5i23 firmware, and it appears to work.
[23:29:46] <mikegg> evening fellas
[23:37:02] <andypugh> Hi
[23:37:47] <skunkworks> andypugh: awesome!!
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[23:59:48] <JT-Shop> cool