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<
azonenberg>
Hung 30 feet of cable tray today, then ran out of mounting hardware
<
azonenberg>
(somehow i didnt buy enough)
<
sorear>
what am I looking at
<
sorear>
something about these photos gives me a strong feeling of "photos are upside down"
<
azonenberg>
sorear: No, this is right side up
<
azonenberg>
in the second photo you're looking at a garage door
<
azonenberg>
in the background
<
azonenberg>
open roof and walls with no insulation or sheetrock
<
azonenberg>
With $wife poking her face around through a hole in the wall
<
azonenberg>
Sorry for potato, i didnt bring my good camera to the house today b/c derp :p
<
Zorix>
hehe that last picture reminds me of an old polaroid
<
azonenberg>
Lol no its my phone
<
azonenberg>
Second cheapest android the t-mobile store had two years ago, lol
<
azonenberg>
(cheapest was a tiny piece of junk)
<
azonenberg>
Surprisingly it still gets security patches
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<
gruetzkopf>
those us fuseboxes always look wrong to me
<
gruetzkopf>
then again the design is logical if you only have a single- or splitphase supply
<
azonenberg>
gruetzkopf: that particular panel is a recalled design
<
azonenberg>
UL revoked their listing 20+ years ago because the breakers don't trip reliably
<
azonenberg>
I knew that as soon as i bought the house and actually bargained the price down bbbbbbbbbbecause of it
<
azonenberg>
because*
<
azonenberg>
I have no experience working on service equipment so i'm having a pro replace it
<
azonenberg>
he's coming a week from tomorrow
<
azonenberg>
But i'm replacing all of the wiring past the panel
<
azonenberg>
in any case the house's service is 200A split-phase
<
azonenberg>
No 3-phase here (for now)
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<
rqou>
O_o you upgraded to a 200A service?
<
azonenberg>
AFAIK it always was a 200A
<
azonenberg>
i'll confirm when the electrician redoes the panel
<
azonenberg>
but thats what i was told in the past
<
azonenberg>
We're just doing a 1:1 swap of the panel with a new, non-recalled one
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<
azonenberg>
(and the new one is bigger)
<
azonenberg>
as in more breakers, not new bus bars
<
azonenberg>
or bigger service entrance wire
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<
gruetzkopf>
one might have 1-n such rows in a panel
<
azonenberg>
yeah everything i've seen here is split phase
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<
rqou>
slight offtopic: what is the best way for a "technical but not CS" type person to stay connected to IRC?
<
rqou>
including on Android
<
awygle>
I use quassel. You need a host someplace but you can deligate that to someone who sysadmins
<
balrog>
I use znc but it's something of a pain for initial setup
<
rqou>
i personally use znc, but with tls client cert auth
<
rqou>
so no "normal" people can use it
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<
gruetzkopf>
quassel, only reachable through VPN or dn42 for me
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<
rqou>
so as part of a class i get to play with a piece of software called plecs
<
rqou>
i don't usually praise proprietary software, but this one is really really cool
<
rqou>
it does integrated circuits, magnetics, thermal, and feedback controls simulation
<
rqou>
it's a (newer design??) state-space simulator rather than whatever SPICE does
<
rqou>
it comes out of ETHZ, so it fits with the "fancy school" way of thinking about things :P
<
awygle>
i remember learning state-space techniques for feedback controls
<
awygle>
and being pissed that they'd wasted all that time teaching me root-locus plots when state space made so much more sense
<
azonenberg>
Speaking of simulation
<
azonenberg>
lain: pokey pokey
<
azonenberg>
we need a f/oss 3d field solver
<
rqou>
lol the no-PhD field solver?
<
lain>
I've been reading about photonics
<
rqou>
btw azonenberg have you seen openEMS?
<
rqou>
(other than "this is way too complicated")
<
azonenberg>
pretty much, yeah :p
<
azonenberg>
couldnt figure out how to do anything useful with it
<
azonenberg>
What i want is the ability to generate continuous 3D geometry from gerber + stackup data (or maybe a kicad layout or something)
<
azonenberg>
Click on a point in the geometry and drive a signal onto it, sourced by a given IBIS model
<
azonenberg>
model passives and other stuff
<
azonenberg>
and look at the simulated field on another wire
<
rqou>
btw i thought pcbs normally only need 2d field solvers?
<
rqou>
there is a tutorial to get openEMS to import a gerber, but i don't think i ever got it to work
<
rqou>
it also requires octave for some reason
<
azonenberg>
try doing fun stuff like modeling ground plane cutouts under SMA connectors
<
azonenberg>
to get matched impedance
<
azonenberg>
you need a 3D solver for that
<
rqou>
(plecs also uses octave though)
<
rqou>
why does this industry like octave so much?
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<
rqou>
azonenberg, lain: you should make your field solver use tcl just to make people upset :P :P
<
azonenberg>
eew eew eeew
<
lain>
tcl is overdone
<
lain>
if you really want people to hate it, use haskell
<
rqou>
how about clojure?
<
rqou>
functional
_and_ JVM
<
azonenberg>
Y U no malbolge?
<
rqou>
Clojure, VHDL, and spreadsheets, all combined! :P
<
cr1901_modern>
tcl isnt... that bad?
<
azonenberg>
no, it's worse
<
cr1901_modern>
I mean I wouldn't use it over Python for scripting, but I can live with it...
<
qu1j0t3>
rqou | functional
_and_ JVM // there's also Eta, now (Haskell on jvm). And of course Scala is 15 years old
<
rqou>
but Scala seems to actually be designed to be usable
<
rqou>
e.g. it's not a lisp-like
<
rqou>
apparently plecs has an xml-rpc interface and can be scripted from Python in addition to octave
<
rqou>
why don't more programs have that?
<
qu1j0t3>
rqou: also, vs clojure, scala is statically typed
<
rqou>
I'm increasingly of the opinion that most software should be designed as a libfoo and have a ffi-friendly or rpc interface
<
rqou>
and guis should be built on top
<
azonenberg>
I prefer C++ API in the library then gui on top
<
rqou>
I'd never do it that way. Makes it incredibly difficult to connect to Rust/Python/etc.
<
azonenberg>
So you're saying i should make my library more awkward in order to support integration with languages i don't use?
<
rqou>
it's pretty unfortunate how primitive the "least common denominator" ffi interfaces are
<
rqou>
another choice is to use json-rpc or whatever instead of a ffi interface
<
rqou>
e.g. what we can easily turn yosys into :P
<
azonenberg>
that is impressive
<
awygle>
rqou: hear hear
<
awygle>
also I love these new high frequency power supply ICs
<
awygle>
If your inductor doesn't fit in a
<
awygle>
resistor footprint don't even talk to me
<
azonenberg>
awygle: lol
<
azonenberg>
So some of the fun new SMPSes are meant to be used with PCB trace inductors
<
azonenberg>
other fun ones have integrated inductors in the molded package
<
lain>
TI has some.. I think they're called nanoswitch or something? they have inductors soldered on top, chipscale controller /inside/ the pcb
<
awygle>
I have used the latter. Also ones where the inductor is pre-assembled on top of the module
<
lain>
it's a tiny pcb in bga package iirc
<
sorear>
no inductor, just using parasitics?
<
awygle>
Sign me up for pcb trace inductors though that sounds great
<
awygle>
The synthesizer on my mixer board does that but at like 1GHz
<
awygle>
And power and RF continue to converge...
<
azonenberg>
lain: i used those in a design a while ago
<
azonenberg>
i think the starshipraider prototype has that
<
azonenberg>
the bga package pcb module i mean
<
azonenberg>
but it has a discrete inductor on top
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<
lain>
I like how they embedded the die inside the pcb
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