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// #eevblog — 2019-08-29

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00:00:22 <K> well, can you measure what voltage it has when the device is turned on ?
00:00:49 <Sewerfox> unfortunatly, no. this is buried deep in a surgical microscope.
00:00:54 <K> pfft
00:01:02 <Sewerfox> which is the size of a small volkswagen
00:01:27 <K> can you create a temporary bridge to vcc then for A?
00:01:29 <K> for A2
00:01:44 <Sewerfox> hrmm..
00:02:08 <K> the spec says: These inputs must be connected to either VCC or
00:02:10 <K> VSS.
00:02:30 <K> my guess would be that ic does not like them "falppin around in the breeze"
00:02:33 <Sewerfox> I think I need to Oscope this chip while it's trying to connect to the buspirate
00:03:07 <K> do you have it on your table now?
00:04:03 <Sewerfox> its in a desktop vise which holds my terminal jig to the pcb. the terminal jig is wired to the buspirate.
00:05:10 <K> do you have means to solder a wire between pink via and red one?
00:05:55 <Sewerfox> yes
00:06:12 * T3sl4 does a digikey dance
00:06:15 <T3sl4> mmm, parts
00:08:53 <K> i would suggest you do that and try reading the eeprom again
00:09:05 <K> address would be 0x57
00:09:14 <K> (all A* pins are high)
00:12:05 <Sewerfox> thanks guys, I gotta run to fix a problem in an operating room
00:32:18 <Nothing\> man, i've been trying to wrap my head around the idea of jerk, that is rate of change in acceleration but it's not a terribly intuitive thing to think of
00:32:40 <Nothing\> nevermind trying to grok higher order derivatives like jounce
00:32:46 <Nothing\> or snap
00:33:33 <Nothing\> i mean, i get them mathematically, but intuitively it just won't sink in no matter how much i think about it or what approach i take
00:34:04 <Nothing\> like higher dimensions, you can describe them mathematically just fine, but when it comes to intuitively understanding them, our brains just aren't equipped to handle such things
00:34:05 <T3sl4> you can't look at them because there's nothing to look at
00:34:28 <Nothing\> well not necessarily, i mean you can look at an object whose acceleration is changing
00:34:36 <Nothing\> which is one way i try thinking about it
00:35:31 <T3sl4> if it's any consolation, engineers dont use them much, either
00:35:37 <Nothing\> but my mind keeps mixing up acceleration with jerk, like the only real scenario i can envision with jerk is an object either at rest, or in motion very quickly accelerating up to a given speed
00:36:15 <Nothing\> jerk seems useful for things like aircraft or rollercoasters, or i've seen it measured in centrifuges but yeah, as i understand it any higher derivatives are pretty well useless
00:36:46 <Nothing\> which makes sense, it seems like compared to the initial function, derivatives get much less complex, especially with higher orders
00:37:11 <T3sl4> if it helps, jerk is how fast you press down the throttle
00:37:21 <Nothing\> oh that does help
00:37:37 <Nothing\> the name definitely hints at what it'll do to you
00:37:39 <T3sl4> since acceleration is force is engine torque is throttle, to a certain degree
00:39:26 <Nothing\> man, i was trying to look up some opencouresware stuff from MIT on YouTube, it seems what they've done now is split up their lectures into ~5 minute segments and have a playlist for each individual lecture instead of the class as a whole, which is a horrible inconvenience when i'm trying to watch a lecture
00:39:45 <Nothing\> it was so much better when i could just save a playlist from a course so i could come back to it whenever
00:40:17 <Nothing\> i've always resisted going back to MIT's open course ware since they fired walter lewin, his were the only lectures worth watching on there imo
00:40:38 <Nothing\> his lectures were my first introduction to real classical mechanics and what caused me to really appreciate them
00:41:07 <T3sl4> :|
00:41:25 <Nothing\> dunno if you're familiar with him, but i guess he got canned for claims of sexual harassment
00:43:03 <Nothing\> i tell you though, it's good to finally understand derivatives. i still dunno how to derive something mathematically but i've at least come to a definition i'm comfortable with and makes sense
00:43:19 <Nothing\> none of that "rate of instantaneous change" nonsense
00:43:40 <Nothing\> or instantaneous rate of change i guess
00:43:50 <T3sl4> oh wasnt he the "you cant draw a circuit around a magnetic field" guy?
00:44:20 <Nothing\> yeah he was the guy electroboom was trying to have a debate with
00:44:49 <Nothing\> i'm not sure exactly what they were debating, but as i recall it had to do with kirchoff's laws and induction
00:45:25 <T3sl4> yeah it's kinda dumb
00:45:45 <T3sl4> i guess he got canned anyway though so that means fewer students getting confused by irrelevant arguments
00:45:45 <Nothing\> i think it was something like KVL doesn't hold true when the voltage source is inductive or something like that
00:46:07 <Nothing\> no it was electroboom saying KVL didn't hold true
00:57:24 <T3sl4> mmm, peach-flavored green tea
01:01:14 <Nothing\> this ejuice i have is peach flavored, fuzzy peaches if you're familiar with the candy
01:01:32 <Nothing\> but for some reason it's giving me really heavy kicks in the chest, and it's only 6mg/ml
01:01:49 <Nothing\> i almost can't vape it cuz it makes my lungs feel really tight and difficult to breathe
01:03:39 <Nothing\> usually i get this stuff called razzy threesome with a generic berry/raspberry flavor but after vaping it constantly, i almost don't even notice the flavor which is ideal i think, i've yet to find a flavor i actually enjoyed more than tolerated
01:04:19 <Nothing\> uh oh, i'm out of peanuts and the squirrels are just starting to find out
01:05:02 <Nothing\> lol it reminds me of a fiending crackhead when they look for peanuts when there aren't any there, they've gotta check every crumb, every discarded shell, anything that looks like it might possibly yield a peanut
01:05:17 <Nothing\> they'll even start climbing on my screen door and up the side of my house looking for them lol
01:12:09 Join: steve30 ([email protected]) to #EEVblog
01:43:32 <rust_collector> oh look! it is one of the steves
01:44:25 <rust_collector> I think I would enjoy building a squirrel catapult
01:58:52 <coppice> red or grey?
02:08:26 <rust_collector> I think black with flames
02:10:58 <Nothing\> heh i've seen videos of squirrel catapults
02:11:17 <Nothing\> coppice: i always think of grey squirrels when i hear squirrel, i don't even think i've seen a red squirrel before
02:11:32 <Nothing\> not even sure if they exist in this part of the world, i know they're native to the uk
02:11:41 <rust_collector> we have the red ones up here
02:11:53 <rust_collector> uhm, I think
02:12:08 <Nothing\> apparently the black and grey squirrels are the same species, they even change between black and grey throughout their lives apparently
02:12:27 <Nothing\> i always figured they were different species, or at least different... i dunno... cultivars?
02:12:29 <rust_collector> I think the red ones used to live in doggerland
02:12:36 <Nothing\> whatever the equivalent of a cultivar is in an animal
02:20:03 <coppice> Nothing\: red squirrels are making a comeback in some parts of the UK, although you will only find grey ones around here
02:24:10 <DHess_US> Commie squirrels?
02:25:52 <coppice> no, republican
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03:05:37 Join: pakesson ([email protected]) to #EEVblog
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03:05:44 <steve30> I tried to deposit some £20 notes into an ATM today. It took 4 notes, but rejected one :/
03:08:47 <rust_collector> I don't even know where there is an atm any more
03:09:40 <steve30> This one was located inside the building society
03:17:16 <rust_collector> I think they are trying to stop using cash up here. the last few years, we had "bank in store" so you could deposit or withdraw money in most stores. You can not get money from the bank any more. But lately, most of the bank in store places have closed as well.
04:09:23 <Nothing\> coppice: that's good to hear, i heard the population of red squirrels was reduced by quite a bit since the introduction of the grey ones to the uk
04:23:52 <coppice> Nothing\: the red ones were almost eliminated, but nobody seems too sure why, or why they are starting to come back. the simple answer is the grey squirrels displaced them, but that doesn't seem to be the whole story
04:25:09 <Nothing\> it never is, there are probably many contributing factors which played some part in it
04:40:45 <Nothing\> hey, whatever happened to html frames? i just realized you don't seem to see them anymore
04:41:01 <Nothing\> i just came across a site that uses frames and it just struck me how dated it looks
04:41:23 <Nothing\> it's funny how they just seemed to fade away without anybody noticing
04:48:36 <rust_collector> I think you can still use them, if you want
04:55:04 <steve30> I think they went out of fashion when people realised how annoying they could be
05:14:31 <coppice> I think they are still used a lot in place where you don't even notice
05:49:16 <rust_collector> like in greenland, and places in africa
06:35:54 <Halcyon> Morning all
06:38:27 Quit: AndrevS ([email protected]) Connection closed
06:45:06 <steve30> hi Halcyon
06:54:31 <Ampera> Hey Nothing\
07:08:15 Join: ThunderSqueak ([email protected]) to #EEVblog
07:08:15 Mode: (by ChanOP) +o ThunderSqueak
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07:08:44 <Ampera> https://www.youtube.com/watch?v=rblYSKz_VnI
07:29:21 <steve30> hehe
07:29:22 <steve30> https://www.reddit.com/r/BdsmDIY/comments/cn1lln/used_the_gold_plated_usb_cables_this_time_lol/
07:30:32 <Ampera> I hate whips
09:51:55 <EEVBlog> New EEVBlog Tweet: Submissions to the International Order Of The Puff Of Smoke (OOPS) are now open: https://t.co/YjWmqKh8IR
10:08:27 <Nothing\> steve30: i've seen gold plated toslink cables before, which are those consumer level fiber optic cables for audio devices, if you're unfamiliar
10:08:45 <Nothing\> frankly i didn't know what they were called until i saw the technology connections video on them, which is really interesting
10:08:50 <Nothing\> also heya Ampera :)
10:09:25 <Nothing\> actually i think the gold plated toslink cables were on that same video come to think of it
10:10:18 <Nothing\> lol wow they actually seem pretty common, didn't take much at all to find a whole whack of them
10:11:13 <Ampera> Nothing\, !
10:11:19 <Ampera> How do fren?
10:11:21 <Nothing\> how you been, man?
10:11:26 <Nothing\> ah i'm doing pretty good
10:11:29 <Ampera> Absolutely terrible and it keeps getting worse
10:11:36 <Ampera> You said you had a court date in August, can you tell me how it went?
10:11:39 <Nothing\> aw shit man, i'm sorry to hear that
10:11:50 <Nothing\> nothing happened with it, but i have a trial scheduled for december now
10:11:54 <Nothing\> dunno how i feel about that
10:12:06 <Nothing\> part of me is terrified, the other part is excited to get it overwith
10:12:11 <Ampera> So what, you went there and nothing?
10:12:31 <Nothing\> apparently i just had to go there to meet with my lawyer, the actual court appearance was handled by him
10:12:47 <Nothing\> once i met with him he basically said i was free to sit in if i wanted but i didn't have to, so i got the fuck out of there
10:13:00 <Ampera> Interesting. I would have stayed.
10:13:10 <Ampera> When my future is concerned I want to be as involved as possible in the decision making process.
10:13:15 <Nothing\> i probably should have, but that place gives me bad enough anxiety as it is
10:13:46 <Nothing\> last time i sat in on a court date i was soaked with sweat by the end and it was just half an hour, i dunno how i'm gonna make it through the trial
10:14:02 <Nothing\> not to mention having anxiety attacks constantly while i was sitting there
10:14:45 <Ampera> Well, maybe because, now that my window to reasonably transition has gone, the pain from my dysphoria is getting more intense, and causing me to want to do something about it particularly bad now
10:14:58 <Ampera> but even if I had the window again, I don't know if I could. I am well and truly stuck
10:15:07 <Ampera> all I can really do right now is complain to my friends and make them feel bad
10:15:21 <Nothing\> i realized a big part of what's been making my anxiety worse, ironically enough, is the medication i take for anxiety so i stopped taking it and sure enough after a week of hellish withdrawals my anxiety is waaayyyy better
10:15:48 <Nothing\> shit man, well trust me doing something self destructive, assuming that's what you mean, is the last thing you wanna do
10:16:13 <Ampera> no I don't mean that
10:16:18 <Nothing\> oh good
10:16:20 <Ampera> I mean actually trying to take the problem by the balls and do something
10:16:31 <Nothing\> that's good, it's good to be proactive
10:16:38 <Ampera> like /do/ something considerable in my life to make things change, but the issue is that my options are extremely shit.
10:17:01 <Nothing\> not only can it give you at least some sense of control in an otherwise out of control feeling situation, it also has the obvious benefit of getting things done that you want done
10:17:19 <Ampera> I swear all I want right now is someone /else's/ problem instead of my own
10:17:26 <Nothing\> well it's good you're at least taking your time with things for now
10:17:33 <Ampera> I'm sick of dealing with this shit, give me a different challenge, this one is retarded
10:17:43 <steve30> Nothing\, I saw the gold plated toslinks in that technology connections video too. I thought it was funny :)
10:17:44 <Ampera> Taking my time is all I've ever done, that's what makes it worse
10:18:00 <Ampera> I'm too intelligent to dive straight into things, but too insecure to actually get the hard shit done.
10:18:17 <Nothing\> steve30: i thought it was just a one off example, but they seem to be everywhere, i guess people will buy anything if you coat it in gold
10:18:35 <Nothing\> Ampera: ignorance truly is bliss, isn't it?
10:18:47 <Nothing\> much as i hate how cliche that phrase has become, it's very true on many levels
10:19:16 <Ampera> The thing is it feels like dressing up as a clown, at least with the powers I have to my abilities now.
10:19:32 <Ampera> It's always going to be imperfect, but I have to try to ride on those imperfections onto the path of getting shit sorted.
10:19:37 <Nothing\> i don't blame you though, i'm sure not a day, hell probably not an hour has gone by that you haven't thought about all of this and how screwed up it all feels
10:20:50 <Ampera> Unfortunately that's not true.
10:21:06 <Nothing\> that's a good thing, rumination is a terrible cycle to get stuck in
10:21:09 <Ampera> I've said this many times, but my imagination is truly extensive, and it's become almost like a narcotic, seriously.
10:21:15 <Ampera> This is even worse.
10:21:41 <Ampera> I can imagine myself feeling fine, being okay, not being hurt or being who I want to be, and I can do it so well, so perfectly, until I eventually have to, in a sense, wake up.
10:21:53 <Ampera> Then I'm back to my old pit, with all of my issues, and no good solutions in sight.
10:22:36 <Nothing\> well just because you can't find a solution now doesn't mean you never will
10:23:06 <Ampera> That's the thing with this illness, there are only ever two solutions.
10:23:20 <Nothing\> ultimately, it does seem that's the case
10:23:30 <Ampera> Do nothing, or do something. Both are horrible, ripping your own teeth out with your bare hands, processes.
10:23:49 <Nothing\> the only difference between the other choices is how you get there, but i suppose they ultimately end the same
10:23:53 <Nothing\> er one of two ways
10:24:23 <Ampera> That's another problem. Doing something requires me to be completely committed in all mindsets.
10:24:55 <Ampera> There is an almost bipolar element of highs and lows involved here, to where I will get extremely dedicated to changing myself and becoming who I want to be, and then I will flip, almost like a switch, to absolutely disgusted and angry at myself for feeling like that
10:25:13 <Nothing\> i guess that's one nice thing about being a drug addict, as opposed to dealing with other mental health disorders, at least my goal for getting better is more tangible than the goals for most other problems
10:25:21 <Ampera> It's almost like I two minds trying to convince myself, each coming up with arguments and debates to overtake the other.
10:25:36 <Nothing\> people are very dualistic in how they are
10:26:19 <Ampera> Left/right mind I guess
10:26:26 <Nothing\> going back to the addict thing, it's like there's one part of me that only wants to use drugs, indulge, try to experience as much pleasure as possible without regard for any other aspect of my life, including family, healthy, wellbeing and so on
10:27:00 <Ampera> That is very similar to how I feel. It feels like transitioning is shutting out all that is important in my life and focusing on my feelings and pain, to try to relieve them
10:27:22 <Nothing\> then there's another part of me who wants a "normal" life, quiet, relaxing, innocence, family, love and wants nothing more than to life a good life
10:27:23 <Ampera> then I will switch and feel like I only want to do well in my life, and just act normally, operate without having to focus on how I walk, talk, think, eat, look, act.
10:27:29 <Nothing\> and the two sides are constantly at odds with eachother
10:27:39 <Ampera> ^^^^
10:27:54 <Nothing\> the technical term for that is cognitive dissonance
10:28:19 <Nothing\> it's why we develop defense mechanisms like rationalizing or denial, to avoid such a state
10:28:42 <Ampera> To me it would seem rationalization and denial are the states, not defenses against them.
10:29:12 <Nothing\> they very well could be
10:30:21 <Ampera> I think what would help me most of all is to see how it all ends up.
10:30:57 <Ampera> I can think well it will all be okay in the end, once you hit the bottom I suppose you can only go up, but to know how and when would be immensely comforting
10:31:31 <Nothing\> they say that, but believe me bottom is a place you can't even imagine
10:31:41 <Nothing\> as low as things get, they can always get lower
10:31:58 <Nothing\> it terrifies me, really
10:32:02 <Ampera> Yeah even as I was trying that I was thinking such.
10:32:24 <Nothing\> but that's not to say it doesn't feel like you're at bottom
10:32:37 <Nothing\> or that you're not at bottom compared to everything before now
10:32:52 <Ampera> Yeah, that's the thing.
10:33:00 <Ampera> You can only know pain compared to what you have known.
10:33:30 <Ampera> To someone who has never broken a leg, a paper cut might be pretty painful, but to someone who has been shot multiple times, it would seem like absolutely nothing.
10:34:16 <Nothing\> yeah it's all relative
10:35:48 <Ampera> Anyways, I feel bad too because I keep pissing on about this and don't do anything.
10:36:03 <Ampera> It feels like having a terminal illness, and the sort of bitter about not being able to do anything about my issue
10:36:19 <Ampera> I get angrier and angrier at pretty much everything by the day, as the stress mounts and mounts
10:50:44 <Nothing\> i really hope it doesn't reach a breaking point as it used to do with me, but you definitely handle stress better than i do
10:50:59 <Nothing\> anyways i think i'm gonna sit and watch some simpsons for a while
10:51:05 <Ampera> Nothing\, that's not a good thing
10:51:17 <Nothing\> take care of yourself, man
10:51:19 <Ampera> Being able to handle stress really well just means you have to suffer with it more
10:51:21 <Ampera> ciao
10:51:37 Quit: Nothing\ ([email protected]) Quit: Leaving
12:21:55 <EEVBlog> New EEVBlog Tweet: The Sci-Fi Short Film "LIVE" about the future of online broadcasting/streaming by @tarynoneill is pretty great, watch it! https://t.co/Y0NOMB17kC
13:49:21 <T3sl4> Halcyon: https://i.imgur.com/cG8NXsW.jpg
13:52:32 <EEVBlog> New EEVBlog Tweet: Sideburns add credibility. But I suspect that's not the only thing burning.. https://t.co/Zk6WFZgXVy
13:53:33 <EEVBlog> New EEVBlog Tweet: The Sci-Fi Short Film "LIVE" about the future of online broadcasting/streaming by @tarynoneill is pretty great, watch it! https://t.co/Y0NOMB17kC
14:00:14 <DHess_US> What?
16:47:17 Quit: Stiff ([email protected]) Ping timeout: 121 seconds
17:08:51 <EEVBlog> New EEVBlog Tweet: Part 2 of the power-up counter project coming soon. Investigating Memory LCD + Supercaps etc
17:10:51 <EEVBlog> New EEVBlog Tweet: Oops, over 40 minutes of raw footage...
17:38:51 Join: Stiff ([email protected]) to #EEVblog
19:39:25 <Halcyon> T3sl4: That's lovely :)
20:04:15 <K> hello
20:04:15 <EEVBlog> Hello there, K!
20:04:20 <K> yay
20:05:16 <T3sl4> hey
20:07:21 Quit: Halcyon ([email protected]) Connection closed
20:47:50 Quit: Sewerfox ([email protected]) Quit:
21:28:19 <steve30> hello
21:35:44 * T3sl4 hugs steve30
22:19:09 <DHess_US> https://i.imgur.com/NBTLZaZ.png