2014-03-24 00:16 <DocScrutinizer05> yes, it does (usually)
2014-03-24 00:18 <DocScrutinizer05> but you shouldn't rely on it. For 2 reasons: 1) it will terribly abuse the cell 2) it might make charging the battery really hard to start - thanks to battery detection not noticing a rudimentary voltage
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2014-03-24 00:39 <DocScrutinizer05> and 3) of 2: there are fake chinese batteries that don't have any protective circuitry
2014-03-24 00:39 <wpwrak> heh, aiming for compatibility with the new "industry standard" :)
2014-03-24 00:40 <DocScrutinizer05> hehe
2014-03-24 00:40 <DocScrutinizer05> the problem with this chip is actually that it eats considerable quiescent current even when device is off
2014-03-24 00:41 <DocScrutinizer05> about ten to hundred times as much as twl4030 is supposed to use in power-down mode
2014-03-24 00:41 <wpwrak> eww
2014-03-24 00:42 <DocScrutinizer05> a cell discharged to - say - 3.0V has maybe 30mAh left over til it  reaches 2.5V
2014-03-24 00:42 <DocScrutinizer05> those should suffice for several months of device siting in shelf in power-down mode
2014-03-24 00:45 <DocScrutinizer05> IQ VIN Quiescent Current Charger Off, Not Switching, VOUT = 3.3V, No l 60 120 215 μA
2014-03-24 00:47 <wpwrak> for six months and 30 mAh, you could afford only 6 uA
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2014-03-24 00:54 <wpwrak> bwahaha: http://electronics.stackexchange.com/questions/103941/why-do-i-have-to-solder-header-pins
2014-03-24 00:58 <DocScrutinizer05> 6uA seems about the quiescent current I'd accept without frowning
2014-03-24 01:00 <DocScrutinizer05> I start frowning at nn uA and gasping at nnn uA
2014-03-24 01:02 <DocScrutinizer05> but much worse that high quescent current is the fact that it doesn't stop at any voltage threshold
2014-03-24 01:02 <wpwrak> so it'll just suck the battery dry
2014-03-24 01:09 <DocScrutinizer05> exactly
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2014-03-24 02:29 <wpwrak> interesting: an open web rendering proxy: http://virtuallyfun.superglobalmegacorp.com/?p=3866
2014-03-24 02:30 <wpwrak> some people in the security community are already salivating over it :)
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2014-03-24 04:12 <DocScrutinizer05> virtuallyfun.superglobalmegacorp  C'MON
2014-03-24 04:13 <DocScrutinizer05> ok, another 4h for a bit of fun: http://projects.goldelico.com/p/neo900/issues/573/#ic1709
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2014-03-24 10:37 <whitequark> DocScrutinizer05: c't hacks still hasn't arrived here :(
2014-03-24 10:40 <whitequark> seems like they didn't send current issue at the end!
2014-03-24 10:43 <wpwrak> give those poor postal workers a bit of time to read it ...
2014-03-24 10:55 <whitequark> lol
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2014-03-24 17:00 * whitequark bought that acrylic, though it was more like $45
2014-03-24 17:00 <whitequark> now I have more acrylic I could use in my whole life
2014-03-24 17:05 <wpwrak> a few weeks later, whitequark buys a car, to make it easier to transport more of these sheets
2014-03-24 17:06 <wpwrak> to what size did they cut it for you ? and how thick is it ?
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2014-03-24 17:11 <whitequark> wpwrak: 1000x500
2014-03-24 17:11 <whitequark> x3
2014-03-24 17:11 <whitequark> it is surprisingly heavy
2014-03-24 17:12 <wpwrak> 3 mm ... so 2D cuts
2014-03-24 17:12 <whitequark> yep
2014-03-24 17:12 <wpwrak> you'll be going back to them when you move into 3D :)
2014-03-24 17:12 <whitequark> nope
2014-03-24 17:13 <whitequark> no sheets thicker than 4mm
2014-03-24 17:13 <wpwrak> sissies
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2014-03-24 17:31 <whitequark> hrm. no blades in the box with the jig saw.
2014-03-24 17:32 <whitequark> dicks. their next model by cost has one. I thought they'll place one with this one too :/
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2014-03-24 18:05 <wpwrak> well, you want to get a nice bade anyway. nothing too coarse.
2014-03-24 18:06 <whitequark> hmmm, any advice on that?
2014-03-24 18:07 <whitequark> for wood, acrylic, maybe aluminium profile, *maybe* very thin steel
2014-03-24 18:13 <wpwrak> if you can find something specifically for acrylic, you may try it
2014-03-24 18:14 <wpwrak> else, just get the one with the smallest teeth. that would usually be one for metal.
2014-03-24 18:15 <whitequark> I see... thanks!
2014-03-24 18:15 <wpwrak> small teeth = smooth cuts and not a lot of kicking and bouncing of the machine
2014-03-24 18:16 <wpwrak> drawback: heat could become an issue. but let's see how it goes.
2014-03-24 18:17 <whitequark> hm... if you keep a sheet of acrylic in air and bounce it back and forth, it produces a funky noise
2014-03-24 18:17 <whitequark> wobwobwobwob
2014-03-24 18:18 <wpwrak> yes, you get this with many materials :)
2014-03-24 18:23 <whitequark> lemme cut something from it
2014-03-24 18:36 * whitequark sighs
2014-03-24 18:36 <whitequark> I have 13 mains sockets right now, and I need at least two more
2014-03-24 18:36 <whitequark> starting to wonder whether I will fry something in the walls
2014-03-24 18:37 <whitequark> that would be unfortunate. and reminds me, I should probably get a fire extunguisher
2014-03-24 18:43 <wpwrak> maybe time to install smoke detectors inside the walls :)
2014-03-24 18:43 <whitequark> uhhhh
2014-03-24 18:43 <whitequark> I have a blob of acrylic all over my endmill.
2014-03-24 18:44 <whitequark> how the fuck do I remove it.
2014-03-24 18:44 <wpwrak> ;-))
2014-03-24 18:44 <wpwrak> remove endmill. then gently turn the acrylic along with the endmill's windings
2014-03-24 18:45 <wpwrak> next time, lower spindle speed :)
2014-03-24 18:45 <whitequark> can't turn
2014-03-24 18:45 <whitequark> it's welded well
2014-03-24 18:45 <wpwrak> then make a length-wise cut with a cutter
2014-03-24 18:46 <wpwrak> what size endmill did you use ?
2014-03-24 18:46 <whitequark> 1mm
2014-03-24 18:46 <wpwrak> reasonable enough
2014-03-24 18:46 <wpwrak> ah, that's those 1x5 mm monsters
2014-03-24 18:47 <wpwrak> that'll be a bit more difficult then. maybe try to dissolve it
2014-03-24 18:47 <wpwrak> acetone may do the trick
2014-03-24 18:48 <wpwrak> you could also try to heat it gently and then try to spin it off
2014-03-24 18:48 <wpwrak> if all else fails, pyrolysis with a hot flame
2014-03-24 18:48 <whitequark> oooooh, flame
2014-03-24 18:48 <whitequark> that I can make
2014-03-24 18:49 <whitequark> brb
2014-03-24 18:49 <wpwrak> why am i not surprised ...
2014-03-24 18:51 <whitequark> worked really well
2014-03-24 18:51 <whitequark> is it bad for endmills to become red hot?
2014-03-24 18:51 <wpwrak> we'll see ...
2014-03-24 18:52 <wpwrak> next time, less hot flame ...
2014-03-24 18:52 <whitequark> russian flame not have "less hot" setting. russian flame burn like sun at all time.
2014-03-24 18:53 <wpwrak> ;-)
2014-03-24 18:53 <wpwrak> at least it seems that your heat source was of a chemical nature
2014-03-24 18:54 <whitequark> filthy westerner, you not know that "sun" mean thermonuclear?!
2014-03-24 18:54 * whitequark ponders on the metaphysical consequences of wearing a fake russian accent while actually being russian
2014-03-24 18:54 <whitequark> so. you say 18k rpm is too much
2014-03-24 18:54 <wpwrak> (sun) oops :)
2014-03-24 18:55 <wpwrak> the acrylic seems to be of that opinion
2014-03-24 18:55 <whitequark> let's try 8k
2014-03-24 18:55 <wpwrak> what's your feed rate ?
2014-03-24 18:57 <whitequark> 100mm/min with 8k
2014-03-24 18:57 <whitequark> calculated by g-wizard, for which I paid $70 and therefore it is infallible
2014-03-24 18:57 <wpwrak> hmm
2014-03-24 18:58 <whitequark> no, 8k results in mostly same
2014-03-24 18:58 <wpwrak> i use 2 mm/s with a 3.175 mm endmill
2014-03-24 18:58 <whitequark> #YOLO
2014-03-24 18:58 <wpwrak> 6500 rpm here
2014-03-24 18:59 <whitequark> interesting
2014-03-24 18:59 <wpwrak> higher feed rate should actually make it less likely to melt
2014-03-24 18:59 <whitequark> exactly
2014-03-24 19:00 <wpwrak> maybe your "acrylic" isn't really acrylic ...
2014-03-24 19:01 <whitequark> ow. dropped that endmill and broke it.
2014-03-24 19:01 <whitequark> I only have three left...
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2014-03-24 19:01 <whitequark> fortunately I already ordered 20 more :p
2014-03-24 19:02 <wpwrak> yeah, i can vividly imagine that these 1x5 mm mills break REALLY easily ;-)
2014-03-24 19:02 <whitequark> they do.
2014-03-24 19:02 <wpwrak> hopefully shorter ones
2014-03-24 19:02 <whitequark> well... my material is 3mm. so need at least 4mm of length.
2014-03-24 19:02 <whitequark> ok, S2000 F30
2014-03-24 19:02 <wpwrak> or a thicker mill
2014-03-24 19:03 <wpwrak> ?
2014-03-24 19:05 <wpwrak> for all those cases and fixtures, i use the 3.175 mm endmill. of course, i use acrylic for 3D, so my pieces are even thicker than yours
2014-03-24 19:07 <whitequark> damn, that just made it much worse
2014-03-24 19:09 <whitequark> basically the melted blob of acrylic on the endmill destroys everything on its path
2014-03-24 19:14 <whitequark> okay... F500 S13000
2014-03-24 19:14 <whitequark> again recommended by gwizard
2014-03-24 19:14 <whitequark> and with tool d=3.175
2014-03-24 19:15 <whitequark> oh my god the screams
2014-03-24 19:18 <whitequark> day 10: We are now practically covered in red-hot acrylic. I have never heard material scream this loud. All hope is gone.
2014-03-24 19:20 <whitequark> okay... for "fine finish" it recommends S12350 F52
2014-03-24 19:23 <whitequark> ugh no.
2014-03-24 19:26 <whitequark> oooooh got it
2014-03-24 19:26 <whitequark> wrong direction.
2014-03-24 19:27 <whitequark> if cutter is to the right of material, all the gross chips are left on the garbage side
2014-03-24 19:29 <whitequark> frankly, the sounds it produces while milling truly are horrifying
2014-03-24 19:30 <wpwrak> "chips" what on earth are you doing ?
2014-03-24 19:30 <whitequark> chips = cut material, isn't it?
2014-03-24 19:31 <wpwrak> "chips" is usually large bits. what you should get is something like sawdust
2014-03-24 19:31 <whitequark> no. I get huge melted acrylic strands
2014-03-24 19:31 <wpwrak> i'm beginning to realize how things went wrong in chernobyl ...
2014-03-24 19:32 <larsc> so what are your neighbors thinking about all the noises from your appartment?
2014-03-24 19:32 <whitequark> larsc: if they come over, I'll tell them to fuck off
2014-03-24 19:32 <whitequark> this is a good retribution for 1 year of almost constant drilling of walls
2014-03-24 19:32 <wpwrak> "let's hope they kill each other before anyone of them gets out catches us" ?
2014-03-24 19:33 <wpwrak> #s/out/out/ and/
2014-03-24 19:33 <larsc> DON"T DEAD OPEN INSIDE
2014-03-24 19:34 <wpwrak> :)
2014-03-24 19:46 <wpwrak> maybe reducing the milling depth could lower the heat production (and also the screeching). i do 2 mm at a time. but you could also try less
2014-03-24 19:46 <wpwrak> still puzzling, though
2014-03-24 19:47 <whitequark> hmmm, that makes sense
2014-03-24 20:06 <wpwrak> and, how is it going ? are the neighbours already undusting their guns ?
2014-03-24 20:08 <whitequark> nah no one came
2014-03-24 20:08 <whitequark> guns huh
2014-03-24 20:08 * whitequark plans to make a railgun sometimes
2014-03-24 20:08 <whitequark> fun fact: it's not classified as a "weapon" under russian law
2014-03-24 20:10 <wpwrak> cause of death: "physics"
2014-03-24 20:10 <whitequark> well, you can write that for literally every case
2014-03-24 20:11 <whitequark> "life is a sexually-transmitted disease with 100% mortality"
2014-03-24 20:12 <larsc> for now
2014-03-24 20:24 <wpwrak> now we know what he's working on in his spare time
2014-03-24 20:25 <whitequark> lol
2014-03-24 20:26 <larsc> my personal clone army
2014-03-24 20:27 <wpwrak> hmm, first you make yourself immortal and invulnerable, and then you create competitors with the same characteristics ?
2014-03-24 20:28 <larsc> I'm only working on the first problem
2014-03-24 20:28 <qi-bot> [commit] Werner Almesberger: atusb/fw/: DFU: support multiple sets of flash operations; support multiple alt settings (master) http://qi-hw.com/p/ben-wpan/8f2f13c
2014-03-24 20:29 <wpwrak> an eternal life, scared of attackers and accidents ? hmm
2014-03-24 20:34 <larsc> I once wondered if you wouldn't die of natural causes if there was a threshold where the chance of having been in a life ending accident basically becomes 99.9999% so that it is impossible to live beyound that age
2014-03-24 20:35 <whitequark> well... it will never become 100%
2014-03-24 20:35 <whitequark> then you just have to decide where to cut off
2014-03-24 20:35 <larsc> e.g. lets say there is a one in a million chance you get run over by a car, how long would you have to live that you were eventually run over by a car
2014-03-24 20:36 <whitequark> that also all assumes a typical life
2014-03-24 20:36 <whitequark> if you don't walk on roads, you're not going to get hit by a car
2014-03-24 20:37 <wpwrak> whitequark: sometimes cars and up on sidewalks or in houses ...
2014-03-24 20:44 <wpwrak> #s/and/end/
2014-03-24 22:30 <wpwrak> seems that his neighbours got him in the end. or maybe it was the acrylic.
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