<qi-bot>
[commit] Werner Almesberger: update the menu bar (specifically, View > Show ...) after changes with "/" (master) http://qi-hw.com/p/fped/e3deb39
<xiangfu>
I will send out this file today or tomorrow.
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<wpwrak>
xiangfu: how are you sending the cables ? air mail ?
<xiangfu>
DHL
<xiangfu>
air mail, DHL.
<wpwrak>
DHL is courier or regular mail in this case ? regular mail is better if there are problems, because customs clearance is in the city, not a trip out to the airport
<wpwrak>
we now have a restriction on "internet purchases", with a very fuzzy definition of what that is supposed to mean, so please make sure it doesn't look like a "purchase"
<wpwrak>
(the good news are that there will be new elections in october, when the idiot government we have to thank for for all this insanity will hopefully receive a kick in the butt ...)
<wpwrak>
gerbers look good. there are a few slightly sloppy spots but hopefully the pcb makers won't mind. specifically, issues that may not like:
<wpwrak>
1) there's sometimes silk screen on solder mask openings. clearances should still be well sufficient to avoid trouble. if they really hate it, tick "Subtract soldermask from silk screen" in the Gerber dialog.
<wpwrak>
2) one positioning mark of the OLED FPC touches a hole (for the switch). this is expected and there's nothing we can do about it. the PCB makers should just try their best there. if the positioning mark doesn't make it or comes out wrong, that's not a problem.
<wpwrak>
3) the battery pads exceed the PCB. again, that's intentional. they'll have to trim them in one way or another. the edge outline is right, so the pads should be cut.
<wpwrak>
4) similarly, there is silk screen for the switch and for the memory card holder that exceeds the board outline. again, the excessive silk screen should just be ignored.
<wpwrak>
most likely, the only thing they may complain about is 3). you may want to attach a note telling them that we know this and that they should just cut off as much of the pad as they have to.
<wpwrak>
and you don't need to send them anelok-Dwgs_User.gbr or any anelok-*_Paste.*, but they probably already know to ignore such things :)
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<xiangfu>
wpwrak: DHL is fast. the other option is EMS.
<xiangfu>
[doesn't look like a purchase]: Yes.
<xiangfu>
gerber: thanks for the info. now I know how to answer them when they are asking :)
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<xiangfu>
wpwrak: I think next step here is find the BOM of anelok.
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<eintopf>
win 2
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<wpwrak>
xiangfu in absentia: (DHL) yes, courier is usually much nicer - except that it ends up at a potentially very hostile customs point in argentina. postal services - including EMS - take a different and hopefully more friendly route.
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<wpwrak>
xiangfu in absentia: (BOM) it's cleverly hidden in anelok/bom/ ;-) you have to generate it, though. but that's explained in the README. speaking of the BOM ... just found an error (had the wrong USB receptacle). fixed now.
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<DocScrutinizer05>
never before seen or heard of such a monster
<DocScrutinizer05>
I wonder oif they actually had a test spec that says "device - except fuse - survives 10 times applying 600V AC at ESR 1mOhm to the Ampere range probe jacks"
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<whitequark>
600kA?
<whitequark>
oh, 30kA fuse
<DocScrutinizer05>
yeah, capable of breaking 20kA
<DocScrutinizer05>
err 30
<DocScrutinizer05>
nominal blow is 11A
<DocScrutinizer05>
hihi, lightning thunder the very moment I sent "err 30"
<DocScrutinizer05>
more than 600V though ;-P
<DocScrutinizer05>
30kA sounds about right for lightning as well
<DocScrutinizer05>
eventually I'll have to check how much ionizing radiation lightning emits. There are claims lightning even causes fusion reactions (H -> He)
<DocScrutinizer05>
X-ray sounds absolutely plausible. gamma claimed to be observed, though sounds not plausible. Alpha, well... dunno
<whitequark>
well
<whitequark>
a fusor is a pretty simple device
<DocScrutinizer05>
sure
<whitequark>
you need 4keV to fuse D-T
<DocScrutinizer05>
extremely simple but *huge*
<DocScrutinizer05>
I prefer thinking in degrees Kelvin
<DocScrutinizer05>
simpler than transforming temperature into "speed"
<DocScrutinizer05>
I guess in lightning the problem isn't the temperature but the pressure
<whitequark>
too high? hmm
<DocScrutinizer05>
the H+ won't get accelerated sufficiently to collide, by the electric field
<DocScrutinizer05>
only change is to accelerate them by high temperature and high pressure
<whitequark>
not sure about "high pressure", in a fusor you have dilute gas
<whitequark>
i mean the issue here is mean free path
<whitequark>
if it's too low, you aren't accelerating the ions fast enough
<DocScrutinizer05>
yeah, when you accelerate ions in a filed, it is
<whitequark>
at 1atm it is on the order in 400nm
<DocScrutinizer05>
field*
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<DocScrutinizer05>
laser fusors work by shooting laser beams on a tiny ball of fusion material from all sides, to create a sort of containment, by both light pressure and explosion momentum. While same time heating up the material to extreme temperatures
<whitequark>
yeah, but a lightning is nowhere near that
<DocScrutinizer05>
of course you can fusion H+ in even tiny cyclotrons, in vacuum, but that's not how lightning works
<DocScrutinizer05>
so much for my uneducated take on "lightning creates fusion reactions"
<DocScrutinizer05>
now if I also would find a doc about the supported commands...
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<DocScrutinizer05>
dang, the (not included!!!) 134 pages manual for the U1233A obviously has zilch info about the supported command set, only a vague pointer to that dang windoze app "Agilent GUI Data Logger Software"
<wpwrak>
but i guess you'll get as much information, if not more, from the agilent manual
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* DocScrutinizer05
closes that keysight abomination
<DocScrutinizer05>
agilent explanation of SCPI is scary enough ;-)
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<DocScrutinizer05>
however
<DocScrutinizer05>
sense:voltage:dc:range?
<DocScrutinizer05>
*E
<DocScrutinizer05>
*E is the standard response to virtually everything
<DocScrutinizer05>
actually *IDN? is the only command so far that produces anything other than *E
<DocScrutinizer05>
and switching the rotary dial produces *1 *2 *3 aso depending on position
<whitequark>
ugggggh scpi
<wpwrak>
some devices let you send "button presses" and return a bitmap of which LCD segments are active in response ;-)
<wpwrak>
so be thankful for SCPI :)
<DocScrutinizer05>
pressing the pressing the "TRIG HOLD / AUTO LOG" blue button produces "unsolicited response code" like "010016512000200" (incl ") for a display reading of 16.5 mV AC
<DocScrutinizer05>
only one though, for each keypress
<larsc>
if only devices would follow the standard
<wpwrak>
now where would be the fun if they did ?
<DocScrutinizer05>
yeah :-/
<larsc>
what I've heard is tha often devices speak a dialect that is only compatible to the vendors control software
<wpwrak>
... and whatever you have to write to talk to the critter regardless :)
<wpwrak>
but yes, there are ugly variations
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<DocScrutinizer05>
YEEHAAA *RST works too
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<DocScrutinizer05>
WOOOOOWooowWOOOOWWW!
<DocScrutinizer05>
SYST:ERR?
<DocScrutinizer05>
-100,Command error
<DocScrutinizer05>
so it at least DOES speak SYS:SUBSYS:CMD syntax
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<wpwrak>
enjoy the three ways to do measurements :)
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<larsc>
ok... I'm getting ads on youtube that urge me to sign up for the 2013 new year's eve party. Did my timemachine finally work?
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<DocScrutinizer05>
for now I don't see a single way to record measurements
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<wpwrak>
larsc: why ? it's about the right time to plan the parties. less than a week to go. oh, and merry x-mess !
<wpwrak>
i'd try MEAS:... worry about errors only when they happen ;-)
<DocScrutinizer05>
SYST:HELP:HEAD?;*E
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<DocScrutinizer05>
MEAS:VOLT:AC?;*E :-S
<DocScrutinizer05>
MEAS?;*E
<DocScrutinizer05>
http://privatepaste.com/cb048a625a several AC voltage readings (getting them by pushbutton method) in the range 8.x..9.x mV; one DC voltage iirc +0.1mV; three resistance readings infinite, "short" (0.2 Ohm?) and 8.15M
<DocScrutinizer05>
I guess it's time to give up on that one for now