// #eevblog — 2019-05-30
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00:16:17 <steve30> ^that sucks
00:27:20 Join: Nothing\ ([email protected]) to #EEVblog
00:27:55 <Nothing\> once i knew this kid who needed a blood transfusion, but he didn't like blood so they gave him apple juice and in the fall he changed colours and fell out of a tree and died
00:29:00 <Nothing\> i'm starting to think i come here at entirely the wrong time of day
00:29:23 <steve30> did he turn into an apple?
00:32:07 <Nothing\> no, but he obtained the secret knowledge of the apples
00:33:23 <Nothing\> you know, technically apples and dead leaves are tree poop, trees move waste products into leaves and such before they fall off in order to dispose of said products, not sure if they actually put them in fruit but i know they do it with leaves
00:34:05 <Nothing\> it wouldn't make sense evolutionarily, now that i think of it, it'd be like if a woman gave birth to a baby that was like, half made of poop
00:34:36 <Nothing\> then again with everything that comes out in the birthing process, that's about what it looks like
00:36:09 <Nothing\> anywho i'm having a real hell of a time trying to generate a sine wave, it's been like the holy grail for me ever since i got into electronics, i tried making a phase shift oscillator out of a bjt yesterday and all i got was a positive blip on power up and a negative blip on power down, maybe i needed to ground it or something but i still haven't figured out how to do that other than running a wire into the ground pin of
00:36:10 <Nothing\> e a really bad idea
00:37:41 <Nothing\> my other attempt was using a low pass filter to try and filter out everything but the fundamental frequency in a square wave, but that just yielded a triangle wave, the cut off needs to be more sharp because i inevitably end up cutting off a good portion of the fundamental, and the harmonics remain fairly strong relative to it
00:38:18 <Nothing\> i alway read about how multivibrators were used because they were "rich in harmonics" but damned if i can figure out how to separate any of those harmonics in a useful way
00:39:01 <Nothing\> i was thinking about why it's so hard to make a sine wave but so easy to make a square wave, the way i see it it's like the difference between making a lightbulb and a laser
00:41:46 <DHess_US> I can make a sine wave with fewer parts than a square wave.
00:42:27 <DHess_US> And good square waves start as sine waves.
00:43:39 <Nothing\> does that involve using an IC at all?
00:44:09 <Nothing\> but yeah i've noticed that bjt based astable multivibrator makes a pretty crap square wave
00:44:40 <Nothing\> also is your sine wave low frequency? cuz that's another characteristic i'm shooting for,
00:45:05 <Nothing\> it'd probably be easier if i could do RF, but my scope is a piece of junk and won't trigger on events shorter than 100us :/
00:45:18 <DHess_US> No, why would it?
00:45:27 <Nothing\> i'm sure using a breadboard doesn't help either, i need to mount it on a metal plate or something
00:45:43 <Nothing\> i dunno i just figured using big beefy passives might be a problem
00:45:43 <DHess_US> BJT astable multivibrators can make fine square waves.
00:45:53 <Nothing\> nah, the rising edge is really slow
00:46:00 <Nothing\> relative to the falling edge
00:46:16 <DHess_US> Look up emitter coupled astable multivitrator.
00:47:17 <Nothing\> lol i think only one or two of the first page hits were actually pictures of emitter coupled multivibrators, the rest were normal ones
00:47:22 <DHess_US> As far as practical variable low frequency sine waves, generate a variable square wave at 100 times the frequency (easy) and run it through a switched capacitor filter with a 100:1 clock to frequency ratio.
00:47:45 <Nothing\> this is interesting though, aside from a VCO style one, i haven't seen any variations in multivibrators like this
00:48:24 <Nothing\> but i thought the harmonics were only above the fundamental in a square wave
00:48:28 <DHess_US> https://www.maximintegrated.com/en/app-notes/index.mvp/id/4547
00:48:37 <DHess_US> They are, so what? Just remove them.
00:48:55 <DHess_US> And with a switched capacitor filter, you can remove them with a variable frequency input.
00:49:50 <DHess_US> Distortion below 0.01% up to 10kHz in that example.
00:50:08 <Nothing\> yeah that's not a bad idea, i always just tried using low pass filters but the cutoff wasn't sharp enough and i'd end up removing a significant portion of the fundamental
00:50:33 <DHess_US> And the switched capacitor way allows for a wide tuning range.
00:50:45 <Nothing\> i wonder if i could use a 7660 to make one of those
00:51:10 <DHess_US> Not a very good one.
00:51:25 <Nothing\> yeah i found even for a negative rail, 7660s aren't that great, very noisy
00:51:51 <Nothing\> i was all excited the first time i used one, omg a negative rail from just an ic and 2 components, it's even more simple than a 555, oh how wrong i was
00:56:10 <Nothing\> rofl i just made a chipmunk jump a mile cuz i blew on him while he was taking a peanut out of my hand
00:56:31 <Nothing\> i wonder what it is about blowing on them that makes small rodents freak out like that, heaven forbid they should ever be out on a windy day
00:58:45 <DHess_US> They smell that you are a carnivor on your breath.
01:08:31 <Nothing\> FINALLY I got my p channel jfets, i ordered them back in january and they never came so i wound up ordering more, several times, so i'm gonna end up with literally oodles of these things when i only needed one
01:08:47 <Nothing\> been wanting to play with lamdba diodes
01:08:52 <Nothing\> lambda
01:19:34 <K> lambada
01:21:27 <Nothing\> is it really?
01:21:49 <Nothing\> oh, no haha you had me thinking i've been spelling it wrong all this time
01:21:52 <rust_collector> lambada is awesome
01:22:30 <Nothing\> never heard of it
01:23:11 <K> hehe
01:23:41 <rust_collector> it was very popular some time ago
01:23:44 <K> https://www.youtube.com/watch?v=csaUvkYOkLY
01:23:47 <Nothing\> roflmao there's a starling running around my backyard with its beak stuck in a peanut
01:24:01 <Nothing\> smacking it against the ground every so often trying to break it
01:24:12 <rust_collector> stop messing up little animals with your nets
01:24:19 <rust_collector> nuts
01:24:21 <K> what is the headcount of your zoo, Nothing\
01:24:23 <K> ?
01:25:13 <Nothing\> hrm let's see i've got 2 chipmunks, 3 or 4 squirrels, about half a dozen grackles, 2 blue jays, sometimes a cardinal, 2 starlings and... i think that's it
01:25:47 <K> 17 then
01:26:44 <Nothing\> the chipmunks are little bastards, i'll see the one pregnant squirrel at the window begging for food so i'll throw a handfull of peanuts out for her and the chipmunks come out of nowhere and snatch them all up, it only takes them a minute to grab them all and meanwhile the squirrel only gets one
01:27:31 <Nothing\> they hide out in the long grass in my yard and wait for me to throw them out, or they'll hide in between the slats of my fence
01:28:08 <T3sl4> another good reason not to feed the bastards
01:28:11 <Nothing\> makes me laugh thinking how in one of my neighbors' yards is a chipmunk's stash of probably several kg of peanuts at this point
01:28:46 <Nothing\> yeah but i feel bad when the squirrels sit at the window begging for food, lol the one even resorted to climbing on my screen door, reminds me of a crackhead jonesing for a fix
01:29:24 <Nothing\> they'll sit at the window doing that thing where they sit on their hind legs and put their front paws out in front like a t-rex's arms
01:29:24 <rust_collector> what do you do with crackheads then?
01:29:37 <rust_collector> throw peanuts at them, I guess
01:29:38 <Nothing\> i put them in the matrix
01:29:40 <Nothing\> lol
01:29:46 <Nothing\> make them fight to the death for a peanut
01:30:52 <Nothing\> i have a feeling one of these days one of those chipmunks is gonna come in my house cuz they run right up to the door as soon as i open it and take them right out of my hands, i know if i didn't have one in my hand they'd probably just bolt past me and make a break for the peanut bowl
01:32:44 <K> put a stuffed cat near the bowl
01:33:02 <K> should nope out pretty quick
01:37:38 <Nothing\> yeah or i was thinking of getting one of those motion activated halloween decorations
01:37:54 <Nothing\> but i need something that won't scare the squirrels
01:38:39 <DHess_US> Motion activated neon sign transformer attached to metal doormat.
01:39:27 <Nothing\> lol i've always wanted to connect a neon transformer to the outgoing point of the demarcation point on my phone line, send 50kv into the phone company's equipment just to see what happens
01:40:23 <K> angry telephone people arrive and beat you to pulp
01:44:30 <DHess_US> That actually won't work unless you use a variac on the input so you can raise the voltage slowly.
01:44:47 <DHess_US> K, that's why you do it during a lightning storm.
01:44:54 <DHess_US> Plausible deniability.
01:45:41 <DHess_US> Not that I know by personal experience and a hatred of the phone campany. That is my story and I'm sticking to it.
01:54:11 <K> do not know much about neon transformers, but i would imagine there is not much current
01:58:07 <DHess_US> Um, 30 to 60 milliamps which is plenty.
01:58:18 <DHess_US> And if that isn't enough, I have a variable 0 to 5000 volt 1.5 amp power supply.
01:59:05 <DHess_US> Better might be some kind of capacitve discharge circuit.
01:59:53 <rust_collector> I have an old msd box, I guess you could make some noise with that
02:14:23 <Ampera> Halcyon, I will try and eat any jerky
02:49:30 <Nothing\> yeah but how would they trace it back to you?
02:49:38 <Ampera> hi Nothing\
02:49:39 <Ampera> how do
02:49:52 <Nothing\> unless they follow the melted wires lol but yeah i guess their systems would provide protection against sudden, large voltage spikes
02:50:02 <Nothing\> hey Ampera i'm actually pretty good, thanks, how about you?
02:50:08 <Ampera> food
02:50:14 <Nothing\> food is good
02:50:25 <Nothing\> i get so pissy if i'm hungry, especially if anything comes between me and my meal
02:50:37 <Ampera> ok doggo
02:50:46 <Nothing\> lol
02:50:57 <Nothing\> i guess they call it "hangry" but i think that's a stupid word
02:50:59 <Ampera> 10 hot wings and a large bacon and mushroom pizza
02:51:03 <Ampera> gonna have that for dinner
02:51:03 <Nothing\> i can't believe they actually added it to the dictionary
02:51:14 <steve30> I get irritable when I'm hungry
02:51:14 <Nothing\> nice, though i'd prefer honey garlic over hot wings
02:51:22 <Ampera> not any dictionary that I do not intend to use as fuel
02:51:37 <Ampera> they have hot, medium, mild, bbq, and garlic parm
02:51:46 <Ampera> http://www.unionpizza.net/menu.html
02:52:00 <Nothing\> steve30: i thought maybe it wsa my blood sugar cuz i get hypoglycemic attacks but my mood is never angry when my sugar's low, i just get really anxious
02:52:44 <Nothing\> this one pizza place i used to go to in waterloo had the same prices since they opened in the 90's, so you could get an extra large 2 topping pizza for $7 it was great
02:53:06 <steve30> i've just had fish
02:53:32 <Nothing\> fish is hit or miss for me, but lately i've really been craving a nice salmon steak with a bit of lemon juice on it
02:54:48 * Ampera gives Nothing\ ABBAth
02:55:16 <Ampera> also if that's canadian pesos, that's fucking cheap
02:55:38 <Nothing\> canadian money isn't THAT much cheaper than american, but yeah it was dirt cheap
02:55:59 <Ampera> that's 5.18 USD for an extra large pizza and 2 toppings
02:56:08 <Nothing\> it was nice too cuz it was right next to my pharmacy, so when i went to pick up my weekly scripts i'd just stop in and get a pizza while i was at it
02:56:18 <Nothing\> really? what's the excahange rate these days?
02:56:23 <Ampera> that's around 28 bucks here
02:56:25 <Nothing\> last i heard we were almost on parity
02:56:35 <Ampera> 1 CAD = .74 USD
02:56:48 <Nothing\> that's about what i figured, i thought maybe ~15%
02:57:19 <Ampera> AUD is even worse
02:57:24 <Ampera> 1 AUD -> .69
02:57:34 <rust_collector> https://i2.wp.com/metalinjection.net/wp-content/uploads/2015/09/abbath-hot-dog.jpg?resize=750%2C499&ssl=1
02:57:38 <Ampera> but exchange rates aren't really indicitive of a currency's strength.
02:58:10 <Nothing\> yeah i always wondered how that works, but i guess most currencies are valued against the price of gold aren't they
02:58:26 <Nothing\> in terms of having like, one universal currency you can compare all others to
02:58:33 <rust_collector> not any more
02:58:41 <Nothing\> no?
02:58:41 <Ampera> not since the 30's
02:58:58 <Ampera> currencies are tied largely to the economic output of the countries that use them.
02:59:05 <rust_collector> most are compared to the dollar, which is no linger looking at gold
02:59:33 <Nothing\> ah
02:59:40 <Ampera> so (if the USD were to be in a US only vaccuum, which it is far from), its worth is tied to how much wealth and economic product the US has available to exchange for it.
03:00:37 <Nothing\> economics is one of those things i've always wanted to learn about, even if just for the sake of applying it to real life, but i've never been interested enough to go out of my way to learn more about
03:00:39 <Nothing\> it
03:00:59 <Ampera> idk I could be full of shit, I just try to apply material logic to a system I don't know much about.
03:01:19 <Nothing\> i think that's human nature
03:01:30 <Ampera> but considering the only variables within a currency's worth is what it can be used to purchase, than its worth is dictated by what it can purchase
03:02:12 <Ampera> and since what you can purchase with currencies is ususally only what the accepting countries can provide, that's where I imagine the value comes from.
03:02:30 <Ampera> while a lot of currencies are pegged (fixed exchange rate) to the USD, that just makes them extra fancy USD.
03:04:16 <Ampera> (sort of)
03:05:10 <rust_collector> there are a few other countries who use the us dollar, just to make it more fun
03:05:47 <Ampera> Yeah, that's why I said, in a vaccuum. There's also a billion unofficial uses of the USD around the world, just because no matter where you go /someone/ will take it for something
03:05:56 <Ampera> Euro too
03:06:12 <Ampera> although that has enough controversy and asterisks to make CGP grey have a panic attack
03:06:41 <rust_collector> oh, but there are countries who uses usd as their official currency
03:07:09 <Ampera> Yes, I know.
03:07:13 <Ampera> I didn't say there weren't
03:08:03 <Ampera> Ecuador, El Salvador, Marshall Islands, Micronesia, Palau, Timor-Leste, and Zimbabwe
03:08:12 <Ampera> There might be more, that's just off Wikipedia.
03:10:31 Quit: Nothing\ ([email protected]) EOF from client
04:41:55 Join: Guest|28515 ([email protected]) to #EEVblog
04:42:21 <Guest|28515> someone please recommend a good brand of flux for smd work
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08:34:01 Quit: pakesson ([email protected]) Ping timeout: 121 seconds
09:30:24 <EEVBlog> New EEVBlog Tweet: NEW EEVblog Video! EEVblog #1217 - My Home Solar Power System FAILED! https://t.co/Ck3jsewN2m
09:52:28 Join: Helmuth ([email protected]) to #EEVblog
09:56:56 <Helmuth> Just looked at last year's 4layer Gigatron. Dave the lack of plane select except by outline is probably intended. Jser is editing tarcks and pads not filled plane area. By not selecting mid plane allows selection of items, tracks/pads below planes without having to blank an overlaying plane are That allows trpcb editing of items within the pcb irre
09:56:56 <Helmuth> spective of any filled planes defined covering the design
09:57:55 <Ampera> Dave is not here, he does not monitor IRC
09:58:29 <Helmuth> How do I get this message to him?
09:59:02 <Ampera> Making a topic on the forums is the easiest way. If this is in response to a specific video, there are often topics relating to discussion about exactly that.
10:00:30 <Helmuth> Do not want to register just for this. May just forget about a simple message to him then. Sorry to be a bother forum does not seem to accept a Guest login
10:00:43 <Ampera> Email is second best option.
10:01:50 <Helmuth> What email address, does not seem to have on the web site
10:02:43 <Ampera> https://www.youtube.com/user/EEVblog/about
10:03:05 <Helmuth> Thanks will try
10:03:14 <Ampera> np
10:07:00 Quit: Helmuth ([email protected]) Quit: http://www.kiwiirc.com/ - A hand crafted IRC client
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10:11:58 <Ampera> Helmuth, going to have to ask you to not spam join/leave. If you want to stick around, I suggest using a more stable client like HexChat
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10:20:07 Mode: (by ChanOP) +b *!*Helmuth@*.optusnet.com.au
10:20:07 Kick: Helmuth was kicked by ChanOP ((Ampera) Please do not spam rejoin)
10:20:16 <Ampera> should be a one hour ban
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11:48:11 Mode: (by ChanOP) -b *!*Helmuth@*.optusnet.com.au
11:48:27 <EEVBlog> New EEVBlog Tweet: The EEVblog forum now has brand specific micro and FPGA categories: https://t.co/o2HwnH4vUk
14:23:36 <EEVBlog> New EEVBlog Tweet: NEW Video on EEVblog2! Compiler Optimisations & Why You Should Care https://t.co/RGJfxuTC74
15:57:12 <EEVBlog> New EEVBlog Tweet: With crypto having shot up again, it's a great time to spend some on something tangible. What a coincidence, I just happen to offer a crypto discount in my store, over and above already sale prices: https://t.co/UwWG0iwcu8
15:59:22 Quit: Bluenote ([email protected]) Quit: Leaving
18:01:00 <Halcyon> Hey all
18:01:30 <steve30> hi Halcyon
18:01:35 <Halcyon> Stsve :D
18:02:41 <steve30> I'm going to try and go out shortly
18:02:47 <Halcyon> Where you heading?
18:02:57 <steve30> grocery shops
18:03:03 <Halcyon> Buying anything good?
18:03:08 <steve30> foods
18:03:27 <Halcyon> I just got home, did shopping on the way, making stir fry tonight
18:03:35 <Halcyon> Just cracked open a bottle of Shiraz :D
18:03:42 <steve30> ooh, yum, save some stir fry for me :)
18:03:57 <Halcyon> It will have lots of chilli in it
18:04:09 <steve30> I got FileMaker Pro 3 running on my Thinkpad and got my personal diary transferred :)
18:04:14 <Halcyon> Oh nice :)
18:05:18 <steve30> tbh i don't want to go out, I'm not sure I feel up to it
18:05:34 <Halcyon> Is it cold?
18:05:41 <steve30> nope, nice and warm today
18:05:46 <Halcyon> What's wrong dear?
18:07:20 <steve30> My brain isn't in the right mode for it.
18:07:55 <Halcyon> Nawww well if you were here, I'd cook for you
18:08:01 <Halcyon> And feed you grapes :P
18:08:31 <Ampera> hi Halcyon
18:08:35 <Halcyon> Hey Ampera
18:09:20 <Ampera> how do
18:09:22 <steve30> Fortunately i have a lot of frozen food
18:09:33 <Halcyon> Great, now that I'm done for the week :D
18:09:56 <Ampera> Halcyon, done with what?
18:10:02 <Halcyon> Work
18:10:07 <Ampera> good work
18:10:10 <Halcyon> :D
18:10:13 <Halcyon> Weekend yay!
18:11:53 <Halcyon> Gah, my skin is so dry, stupid almost-winter
18:13:03 <Ampera> that's what you get
18:13:32 * Halcyon moisturises
18:13:43 <Ampera> oh good, well see you tomorrow then
18:13:49 <Halcyon> No I'm all done :)
18:13:56 <Ampera> since apparently it takes you an entire day to "moisturize"
18:13:57 <Halcyon> I'm also watching Mike Jeavons
18:14:32 <Ampera> I'm listening to ELO
18:14:47 <Halcyon> No surprises there
18:14:51 <steve30> right, i'm going out
18:15:01 <Halcyon> Bye Steve
18:15:01 <steve30> don't let me change my mind
18:15:09 * Halcyon spanks Steve on the ass on his way out
18:15:17 <steve30> :p
18:15:27 <Halcyon> Firm :)
18:15:44 <Ampera> can you stop it with this homosexuality?
18:15:46 <Ampera> it's disturbing
18:15:51 <Halcyon> No
18:15:56 <Halcyon> Don't oppress me
18:16:04 <Ampera> I'll oppress you however I damn want
18:16:10 <Halcyon> Typical German :P
18:16:39 <Ampera> #
18:17:00 <Ampera> in other news I visit my therapist today
18:17:15 <Halcyon> I didn't know you had a therapist?
18:17:26 <Ampera> I told you I did last week
18:17:34 <Halcyon> That was LAST WEEK
18:17:35 <Ampera> the last and first time I went to visit him.
18:17:40 <Halcyon> I barely remember what I did on Monday
18:17:46 <Halcyon> How are you finding it
18:17:46 <Halcyon> ?
18:17:53 <Ampera> mildly pointless
18:18:00 <Halcyon> Sounds about right
18:18:07 <Ampera> better than I expected, worse than I wished
18:18:15 <Ampera> he has nice dogs
18:18:19 <Halcyon> Oooh what kind?
18:18:32 <Ampera> four legged ones
18:18:38 <Halcyon> Brilliant
18:18:46 <Ampera> not really, they're dogs
18:18:52 <Ampera> nice dogs though
18:18:53 <Halcyon> Can you supply a photo?
18:20:25 <Ampera> no
18:20:34 <Halcyon> You're very snippy today
18:20:44 <Ampera> I'm snippy every day
18:20:53 <Halcyon> Well you're bitchy then
18:21:08 <Ampera> I'M BITCHY EVERY DAY
18:21:22 <Halcyon> It sucks that you're bi, you'd make a very good gay guy
18:21:35 <Halcyon> replace "good" with "typical"
18:21:59 <Ampera> to suggest that there is a good gay guy is to suggest that there is a bad gay guy
18:22:07 <Halcyon> There are
18:22:14 <Ampera> what makes them bad
18:22:50 <Halcyon> Some are real cunts
18:22:54 <Halcyon> Just like regular people
18:23:01 <Ampera> but what does that have to do with them being gay
18:23:14 <Halcyon> I dunno, some gays are just really good at being assholes
18:23:33 <Ampera> I have devoted my entire life to the goal of being one of the biggest assholes who has ever lived
18:23:40 <Ampera> and now you're telling me I have completely failed in my life goals
18:23:46 <Ampera> thanks a lot Halcyon, you're a real cunt
18:24:14 <Halcyon> :P
18:24:17 <Halcyon> You ove it
18:24:18 <Halcyon> love
18:24:22 <Ampera> lol
18:24:59 <Ampera> Issue with my therapist though, although we are exploring the process of manually submitting a claim anyways, is that our insurance doesn't cover my visiting him.
18:25:15 <Halcyon> That's a bit shit
18:25:43 <Ampera> It's not that bad, only 100 dollars a visit, and after this visit I'm not sure if I'm going to return. I have to really be convinced that he is worth the time and energy of attending.
18:28:21 <Ampera> I think my key issue is that I need conviction and strength to do what I'm about to do, and as I near closer and closer to the swing of the axe, I find myself losing it more and more.
18:29:15 <Ampera> Be that simply the effect of nearing a critical impasse, or genuine concerns and reason to abstain from doing so, I don't know. My desire to transition seems to critically fluctuate from a drastic, life need to do so, to an absolute opposition and hatred for the concept
18:29:21 <Ampera> and sometimes an inbetween.
18:29:47 <Halcyon> You're still young though, I think it's important to take the time to work things out for sure
18:29:55 <Ampera> It is nigh bipolar how much the shifts effect me, and as I try to rationalize my condition, I continously fail to find the critical differences that I really need, and even further fail to justify the ones I do find.
18:30:46 <Ampera> That would be wise if time otherwise would be friendlier to me, but I am in a very serious apex within my life, socially and otherwise, and if I am to do this, I must begin in about a month.
18:31:31 <Ampera> While the restriction might seem arbitrary, this is a time of my life I am most malluable and capable of bearing the immense anxietal and societal pressures, and where the changes will be minimized compared to what they would be otherwise.
18:32:48 <Ampera> Halcyon, did you hear about Aussie50?
18:33:16 <Halcyon> I did
18:33:22 <Halcyon> I didn't really know who he was until now
18:33:37 <Ampera> Same as I, but the point I wish to draw attention to is regarding the forum thread about him.
18:33:58 <Ampera> It's almost funny to see people, experienced with or otherwise, discuss the merits and intricacies of the need to commit suicide.
18:34:34 <Halcyon> I haven't really been following
18:34:39 <Ampera> As I near, with no way to measure the present nor past against the future, what has the potential to be the most difficult time of my life, those thoughts infect me more than they ever have.
18:34:41 <Halcyon> I think Big Clive's video sums it up nicely
18:35:39 <Ampera> It is in times like these I most measure the merits, values, and purpose of life, and how I ever so closely study the concept of true permanency.
18:36:26 <Ampera> In a way, transitioning is like comitting suicide, it discards one significant view and perspective on life, and with potentially very little remaining, accepts a drastically new one, for some horrific sense of mental disorder.
18:36:45 <Ampera> All while I have to witness my very real struggle being normalized and trivialized by the people who claim they are there to help me.
18:37:10 <Ampera> fuck Halcyon, why aren't you a therapist, or more to the effect, why aren't therapists available on IRC.
18:37:21 <Ampera> If I could contain this and give it to my therapist tomorrow it would be considerably more helpful.
18:37:39 <Halcyon> Why would you want me to be a therapist?
18:38:11 <Ampera> because I know, trust, and understand you, and have, albeit publicly, described intricate situations within my life as a means of intense venting and self analysis.
18:38:23 * Halcyon cuddles Ampera
18:38:33 <Ampera> Considering the drastic differential between the quantity of my messages and yours, I'd say you're not exactly equipped to deal with my bullshit.
18:38:57 <Ampera> which isn't an insult, but just a byproduct of me not being able to contain my problems and pushing them onto other people.
18:39:00 <Halcyon> I'm happy to listen but I'm not a professional. I wouldn't want to say the wrong thing.
18:39:53 <Ampera> That's amusing, what would constitute "the wrong thing?"
18:40:01 <Halcyon> Something damaging
18:40:05 <Ampera> I'm not looking for the answer, I am looking for an opinion, with the most helpful one being an opposing one.
18:40:31 <Ampera> There is, and I am genuine and serious within my understanding of this statement, nothing you could possibly tell me that would damage me in any significant way that I am not already damaged.
18:40:44 <Ampera> If there was, I wouldn't be talking to you about this
18:50:26 <Halcyon> I appreciate the trust
18:51:37 <Ampera> Trust is simply the logic by which people predict the future.
19:33:01 <steve30> I like cuddle therapy :)
19:33:12 <steve30> also, I just returned from my short trip to the shops
19:33:24 <Halcyon> Cuddles lead to other things :P
19:33:31 <Halcyon> Was it a successful trip Steve?
19:33:57 <steve30> yes
19:34:17 <Halcyon> Also, why haven't we spoken on the phone yet?
19:34:25 <Halcyon> I talk to Ampera way too much but not you
19:34:46 <steve30> because international phone calls are expensive, plus IRC is easier
19:34:55 <Ampera> VoIP
19:34:59 <Halcyon> But things like WhatsApp and Signal are free
19:35:16 <Halcyon> Also, I'm pretty sure I get a certain amount of international calls for free on my mobile anyway
19:35:52 <steve30> I hate it when people call me from mobiles. Too much compression means I can't understand what's being said properly
19:36:33 <Halcyon> All mobile calls here at in HD voice
19:36:43 <Halcyon> It's almost like VoIP
19:37:06 <steve30> when people call me it just sounds like a GSM phone
19:37:13 <Halcyon> All I'm hearing are excuses Steve :P
19:38:16 * steve30 has chicken breasts, minced beef, salmon and haddock to choose from for dinner :)
19:38:32 <Halcyon> Way to change the subject
19:38:47 <Halcyon> Would any of you guys be up for a game of CaH tonight?
19:38:53 <Halcyon> Tonight being in the next few hours
19:40:55 <Halcyon> BRB, I'm going to reboot.
19:41:02 Quit: Halcyon ([email protected]) Connection closed
19:50:45 <Ampera> and he was never heard from again
20:03:51 Join: Halcyon-ish ([email protected]) to #EEVblog
20:03:54 <Halcyon-ish> Ill be a while longer
20:04:02 <Ampera> Halcyon-ish, what did you break?
20:04:12 <Halcyon-ish> Turns out I have a bunch of updates and there is also a new Fedora release
20:04:20 <Halcyon-ish> I figured while I'm rebooting I might as well install those
20:04:35 <Ampera> that would take me all of 3 minute on arch
20:04:42 <Ampera> >:D
20:04:51 <Halcyon-ish> It's 2.2 GB, nothing to do with the OS, rather my internet connection
20:04:59 <Halcyon-ish> I pull down about 4MB/sec
20:05:06 <Ampera> that's the advantage of a rolling release system
20:05:25 <Halcyon-ish> *shrug*
20:05:44 <Halcyon-ish> Oooh internet is fast today 4.5MB/sec
20:05:54 <Halcyon-ish> Go NBN
20:05:54 <Halcyon-ish> :P
20:06:10 <Halcyon-ish> I could just use my mobile, but meh, effort
20:06:39 * Ampera drops Halcyon-ish a long ethernet cable
20:06:54 <Ampera> better idea
20:06:58 <Halcyon-ish> Glass?
20:06:59 <Ampera> I'll package up some internet and send it to you
20:07:03 <Halcyon-ish> YAY!
20:07:07 <Halcyon-ish> American internet!
20:07:25 <Ampera> American internet (though America is /big/ with lots of variance) isn't ususally even that good
20:07:28 <Ampera> but compared to Australian internet
20:07:37 <Halcyon-ish> Yup
20:07:53 <Halcyon-ish> I think our average speed is even behind Kazakhstan
20:08:07 <Halcyon-ish> As in from POI to premises
20:08:10 <Halcyon-ish> Not the backbones
20:08:30 <Ampera> Even though we have to deal with a country full of stingy cable internet providers with laughable asymmetry, we still have alright internet in most places
20:08:57 <Halcyon-ish> I've mentioned it before, but most people carry faster internet in their pockets via LTE/5G
20:09:04 <Halcyon-ish> The NBN is a fucking joke
20:11:11 <steve30> me today: https://www.speedtest.net/result/8297188843.png
20:11:39 <Halcyon-ish> Telstra (our largest telco) are rubbing their hands together -- traditionally they owned most of the copper infrastructure in the ground and now they've sold most of it off to NBN Co. (AKA, the Government)
20:12:00 <Halcyon-ish> They are no longer responsible for the maintenance and upkeep and the government have inherited a mess.
20:13:08 <Halcyon-ish> Meanwhile, Telstra are investing buckets of money into fibre infrastructure and 5G wireless
20:13:23 <Halcyon-ish> Basically what NBN should have done to begin with
20:13:45 <Ampera> https://www.speedtest.net/result/8297194664 this is me just now
20:14:06 <rust_collector> /me is driving dogs insane, with my little 555 thing and a speaker
20:14:20 <Halcyon-ish> rust_collector, why tease the dogs for?
20:14:35 <Halcyon-ish> Also, what kind of dogs?
20:14:44 <rust_collector> makes the wife more active
20:15:01 <Halcyon-ish> Active?
20:15:29 <rust_collector> running around, trying to figure out why the dogs are weird
20:15:50 <Halcyon-ish> :P
20:16:08 <rust_collector> they are tibetan spaniels
20:16:22 <rust_collector> atm, we have 15 of them here
20:16:34 <Halcyon-ish> Oh gees
20:16:36 <rust_collector> 5 are 6 weeks old, 5 are 8 weeks
20:16:57 <rust_collector> one is being picked up by new owner in a couple hours
20:17:16 <rust_collector> eeh, might be 7 and 9 weeks now
20:19:12 <Halcyon-ish> Back soon
20:19:19 Quit: Halcyon-ish ([email protected]) Connection closed
20:31:05 <rust_collector> steve30: is that speedtest on your phone?
20:31:46 <Ampera> clear
20:31:51 <Ampera> sudo reboot
20:31:54 <Ampera> Ampera!23$
20:35:03 <K> hello
20:37:23 <Ampera> lol
20:37:34 <K> wha?
20:37:35 <Ampera> welp time to change that password
20:37:53 <Ampera> that's what I get for trying to blindly use a terminal
20:40:11 <K> what kind of device reboots in 3 seconds?
20:40:19 <Ampera> mine
20:40:39 <Ampera> I actually measured around 13 seconds from power button to desktop
20:43:01 <K> rpi or x86 or something else?
20:43:58 <Ampera> This is my desktop computer
20:44:00 <Ampera> i7-4790k
20:44:12 <K> i see
20:44:24 <Ampera> 'tis the power of NVMe storage
20:44:38 <Ampera> and how optimized you can get Linux to boot
20:45:18 <K> i think my mbp does about the same
20:45:35 <K> nvme is cool
20:45:54 <Ampera> oh yeah, I got a 1TB mushkin NVMe SSD recently
20:45:57 <Ampera> and it's very very fast
20:46:19 <Ampera> This is the first PC compatible I've ever owned to not have any ATA or SCSI fixed storage whatsoever.
20:46:41 <Ampera> I say fixed, because I have a DVD drive
20:57:38 <steve30> rust_collector, no, FTTC
20:58:53 <rust_collector> ok, just wondering
21:05:15 Join: Halcyon ([email protected]) to #EEVblog
21:32:31 Join: AndrevS ([email protected]) to #EEVblog
21:46:19 <Ampera> Halcyon, took you long enough
21:48:08 <Halcyon> Yeh, was a big update :P
21:48:58 <Ampera> I updated my Linux while you were gone, and had just enough time to head upstairs and talk to my dad for a good 45 minutes
21:49:57 <K> and managed to type your password here
21:50:13 <Ampera> yes, I did type my computer's password in IRC
21:50:28 <Halcyon> Hm?
21:50:31 <Ampera> not a huge loss, it's useless to anyone, but still not a great move
21:50:38 <Halcyon> Heh
21:50:45 <Ampera> was typing into the wrong window, typed into hexchat instead of alacritty
22:39:36 Join: hsn ([email protected]) to #EEVblog
22:48:31 <hsn> hi, what do you think: https://snag.gy/CsuFWc.jpg ,, https://snag.gy/WmoTgK.jpg .. what would u change? for automotive. not severe in temperature environment
22:49:41 <rust_collector> I think it will be ok if you support the cable or connector a little bit
22:50:11 <hsn> so a glant,, this db37 was very annoying in soldering..
22:50:24 <rust_collector> is that a megasquirt or something?
22:50:36 <hsn> idk what connector type to choose for production
22:50:52 <hsn> no its for railway actually
22:51:27 <hsn> pneumatic controller of toilet sanitary
22:51:33 <hsn> vacuum toilet
22:51:39 <rust_collector> heh, that is something
22:52:05 <hsn> prototyping ..
22:54:21 <rust_collector> how many pins do you need? Is it controlling solenoids or?
22:54:57 <rust_collector> I don't know what you need, but that is an interesting project.
22:54:58 <hsn> solenoids mostly yes
22:55:41 <hsn> pins currently im using around 30. this would go more i need to provide more gnd pins
22:56:00 <hsn> for return path its not good
22:57:35 <rust_collector> how about a separate ground connector?
22:58:49 <hsn> this was my first: https://www.eevblog.com/forum/beginners/i-need-a-design-review/ ,, and the current is this: https://www.eevblog.com/forum/beginners/discussion-on-routing-4-layers/msg2068720/#msg2068720
22:59:55 <rust_collector> heh, have they figured out a standard voltage to use in trains now? I came across a lot of different stuff when I was snooping around in the repair shop
23:01:21 <hsn> no, im going for some out of shelv dc power supply ..
23:02:35 <hsn> some come with ~70-110 some come dc / ac. i dont know really never care as i know that there are dc power supplies meeting emi/emc stuff that i have no clue about :D
23:04:56 <hsn> like this
23:04:58 <hsn> https://www.mtm-power.com/en/products/transportation.html?view=produkt&pid=979
23:05:53 <hsn> can i know why did you suggest separate ground connector?
23:06:46 <hsn> the ideal case would be ground wire attached to each signal wire? to reduce the antenna effect.
23:07:54 <rust_collector> keep in mind that I am not any kind of electronics guy, I am barely a noob hobbyist. I just think a separate large chunky connector for all the things would make more sense than using a 100pin computer style connector, to use 40 of them as ground?
23:08:27 <rust_collector> I guess it depends on how sensitive your thing is?
23:10:26 <hsn> no idea, not that severe i guess, im not that good at emi/emc/noise stuff i consider my self hobbyist also tbh.
23:12:45 <DHess_US> Yes, close proximity between a signal wire and ground wire lowers EMI. Just like twisted pair or a pair in a ribbon cable, the idea is to minimize the area between the signal and ground wires.
23:14:12 <DHess_US> In a ribbon cable, every other wire will be ground when it matters and the ground wires also shield the signal wires for ajacent signal wires.
23:14:36 <DHess_US> If you have a round cable, then wires will be twisted together like with common Ethernet cable.
23:15:20 <rust_collector> not that I know what signals he wants in and out, but I guess turning on and off a solenoid valve is not the most sensitive thing?
23:15:24 <DHess_US> And of course a ground plain does the same thing.
23:15:55 <DHess_US> No, but if sensitive signal wires were near, they would be less affected with proper grounding.
23:17:27 <hsn> i think i got good grounding design in pcb. wires no.. i dont like my cable right now i will go for crimping one add ground and supply for sensors some will have to be outside the connector and splitted like the 24v to different sensors
23:20:32 <hsn> for the connector price soldering cup db37 -> crimping db37 price goes like 10x times :D
23:21:36 <hsn> @DHess_US u mean to twist all wires togother? or pairs?
23:25:07 <DHess_US> That means twist pairs of one signal and one ground wire together.
23:25:47 <DHess_US> But in less demanding applications, just one or a few ground wires are included in the bundle without twisting.
23:26:00 <DHess_US> It just depends on the requirements.
23:28:07 <hsn> yeah im having only one twist pair for rs485 others just lose ground as i think its not sensitive but not sure. when i fail EMC complience test i guess i will cry :D but for now i think it will pass
23:30:14 <rust_collector> do the test on a train. they are pretty noisy
23:31:00 Join: AndroUser ([email protected]) to #EEVblog
23:31:58 <hsn> yeah, thinking of testing for month on test cabine
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23:45:21 <hsn93> this is bad irc client
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