#eevblog - 2026-01-22 - AustNet Archive Project

// #eevblog — 2026-01-22

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38:12 <arch> yes, try using an electric car in a state that gets below 0F in the winter
42:55 <Ampera> I'd consider electric for my next car
43:02 <Ampera> but I won't need a new car for potentially years
43:07 <Ampera> and I like my car
43:23 <Ampera> honestly any electric with a simulated manual would be one I'd look into
45:20 <arch> that seems pointless lol
47:27 <Ampera> arch, the point is that I enjoy driving a manual
47:34 <Ampera> but that it's also a manual you can turn off and drive as an automatic
47:40 <Ampera> well, as an EV-style auto anyways
47:58 <arch> that's kinda like handing over an unplugged player 2 controller to your younger sibling and pretending that they can play the game lol
48:34 <arch> there's no gears, so it wouldn't feel right
49:22 <Ampera> I'd be curious to see about that. I think a convincing simulation could be created, and there's indications that some manufacturers are playing with the idea.
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03:56 <arch> where's everyone at, bingo?
04:43 <Ampera> many people work for a living
08:33 * steve30 is sat at his thinkpad
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12:58 <K> soooo, u takin now iceland too, eh
14:20 <arch> now i have gained a bit more respect for transistors. they alone cannot be untrusted. we need to be unable to trust capacitors as well
14:46 <arch> usually a capacitor outright explodes or leaks no?
15:12 <rust_collector> they can just dry up, or... whatever also
15:38 <rust_collector> ask the swedes... they make the amazing rifa caps
16:19 <arch> who, orange man?
16:31 <K> ye
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19:55 <arch> SUCCESS! IT LIVES! MUWHAHAHAHA
20:19 <arch> i think ill put a small ceramic capacitor substituted for C3. do we even need 220uF across that zener?
20:51 <arch> in fact right now i dont have any capacitor across that zener. seems to be working fine. but im pretty sure you need some amount there for stability of the output rail
24:35 <arch> well, ok, it would appear the 100uF seems to be standard for these old linear regs. there's a hella lotta ripple on the 60Hz mains output rectified even with the large decoupling capacitor
24:54 Quit: steve31 ([email protected]) Ping timeout: 2 minutes
34:17 <Ampera> K, he went up on stage in Switzerland and told everyone there that if it wasn't for the US, they'd all be speaking German
34:47 <Ampera> more unhinged than a busted screen door
34:50 <K> jawohl!
36:00 <arch> good news: it works; bad news: it's 15.4V unloaded output. these old shits really had bad regulation, eh>
36:31 <arch> im gonna swap this out to a hybrid switched mode + LM317 output later
36:46 <rust_collector> what is it for?
36:46 <arch> so far, im happy i rescued it at least. good future power supply
36:53 <arch> it's for cb radio, 13.8V
37:43 <rust_collector> ok, so, how sensitive do you think cb radios are, to a bit up and down, on the voltage. they are meant to be used in old tractors and thing, no?
38:36 <arch> good point, older cars and tractors had nasty power rails
38:44 <rust_collector> new ones also
39:16 <rust_collector> it is not nice to be put in anything automotive
40:30 <rust_collector> I had a 2018 or 17 gm product here, that fried all kinds of things, because it was running at between 18 and 26v, depending on....something, probably.
40:42 <rust_collector> that was fun
40:54 <arch> on closer inspection, this parallel cap across the zener was 16V. maybe being constantly near its rated voltage wore out the cap and why it shorted out. anyways, i put a 50V 100uF replacement. we should be good for a while
42:36 <arch> rust_collector, what have you burned out so far
44:49 <rust_collector> what I have burned out? so many things, lol. the gm thing.. well, it toasted half of the ecu, so it did not have a 5v reference any more, but that was fine, because it was unable to see any voltage from the sensors anyway. the gateway module, which gm calls something, was...well, it was working, but unable to accept a key, I did not bother looking for more
46:02 <arch> dafuq. i thought smarter manufacturer would put some hefty TVS across all the rails
46:30 <rust_collector> they would, but as I said, this was a gm product
47:23 <arch> lol good point. scotty kilmer is always trash talking the,m
48:09 <rust_collector> ok. I was hoping one of the million posts about him quitting and/or being dead was true, lol
48:39 <rust_collector> but, they are certainly not like a 1995 toyota
49:11 <rust_collector> which means having a chronically optimistic speedometer, I think
56:05 <arch> just put some 10 inch lawn tractor tires on
00:27 * electrohead attaches tires to arch 
01:50 <rust_collector> now he looks tired
13:53 <rust_collector> there are worse things, than speaking german
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20:16 <arch> oh neat, this lafayette 5A 13.8V power supply uses 2 of these, center tapped output FBR https://www.mouser.com/datasheet/3/5961/1/1n3212.pdf
20:17 <EEVBot> [url] Access to this page has been denied. | www.mouser.com
24:24 <arch> compared to the radioshack 2.5A one, this one is much more powerful, but worse design choices. has no primary side fuse, just secondary side fuse. the radioshack had a primary side fuse, secondary side 3A circuit breaker (fancy!)
25:04 <arch> also this one has no regulated output whatsoever. it's just 18V smoothed 13VAC rectified output
25:17 <arch> perhaps i was too harsh on the radioshack psu =(
25:32 <arch> this one is garbagë
25:54 <rust_collector> nah, it is just not what you want, for your ideas
25:56 <arch> this will be a better psu for modification, so i will put a label on it for later. now, i need to rebuild a carburetor
26:36 <rust_collector> why not make a simple fuel injection system?
26:43 <arch> where we're going, we don't need no regulated output!
27:18 <arch> yes, rust_collector, let me just make a fuel injection system for a stupid 25cc leafblower...
27:41 <rust_collector> that sounds like an interesting enough project?
27:56 <rust_collector> plenty of people used the megasquirt for stuff like that
30:07 <rust_collector> my chainsaw is somewhere in between. it uses a carb, but with a little computer, and some solenoids for the fuel. it runs really good, but it will not live as long as a proper carb
30:20 <arch> gulp...is it french?
30:33 <rust_collector> non
30:57 <Ampera> probably bavarian
31:17 <rust_collector> otoh, leaf blowers are stupid anyway. maybe spend your time on something useful
32:06 <arch> are you using that chainsaw for a carving contest? https://www.reddit.com/r/technicallythetruth/comments/1qb1ci2/annual_chainsaw_carving_competition/
33:22 Quit: Kuschelpony ([email protected]) Quit: Ex-Chat
51:00 <K> ö!
52:21 <rust_collector> øøøøøø
54:12 <rust_collector> maybe we should agree on at least using the same alphabet. I vote for the... whatever it is, that they use in burma
55:18 <rust_collector> ဗောဓိငါးထောင် ဥယျာဉ်တော်
55:26 <rust_collector> I think it looks nice
06:57 <K> it is.
20:03 <K> how is cold over there, rust_collector ?
21:29 <rust_collector> cold? no
21:48 <rust_collector> +1.4
22:05 <K> eew. we had -16 this morning
22:49 <rust_collector> it is supposed to get colder in the next few days
22:53 <rust_collector> mwe will see
25:20 <arch> found another psu with seemingly the same issue. 0v output rail. what will it be this time... im guessing the same capacitor issue. i see a 470uF 16VDC cap across the zener. https://www.ebay.com/itm/174987829154
25:21 <EEVBot> [url] Vintage Numark Solid State Regulated DC Power Supply CB-170A 13.8v DC 3 AMP | eBay | www.ebay.com
25:32 <arch> this guy snorting crack or something. nobody's gonna pay $100 for that piece of shit
25:57 <arch> random chinese cap "jeowdah" wtf is that even
30:14 <arch> KABLOOEY! this one let out the magic smoke: https://i.imgur.com/aEGyc5T.jpeg
31:09 <arch> i dont have bigass 1W (?) resistor like that. gonna have to parallel a couple of 1/4W resistors
31:49 <rust_collector> https://www.youtube.com/shorts/9wn9mHMuVJc?feature=share
31:49 <EEVBot> [YouTube] ⁨😂😂😂😅😂😂⁩ | 9s | Channel: ⁨Samo smeh i zabava⁩ | 779,571 views | 2026-01-06 - 08:15:01 UTC
32:30 <arch> HALT! this is an emoji free zone! $350 fine
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47:43 <rust_collector> https://www.youtube.com/watch?v=zVCB581Ibpc
47:43 <EEVBot> [YouTube] ⁨Judas Priest - Last Rose of Summer (Official Audio)⁩ | 5m 38s | Channel: ⁨JudasPriestVEVO⁩ | 318,091 views | 2021-02-10 - 08:00:31 UTC
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32:56 <arch> are you guys talking C or F
33:03 <arch> or K
33:14 <K> C
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23:08 Quit: steve30 ([email protected]) Quit: <Baljem> steve30: by the way, I had the most bizarre dream the other day that someone came in here and seriously flipped their shit over your quit message and why aren't the ops /doing/ something about it
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53:35 <flyback> Halcyon, no Im good, I was just describing a block bowel attack and how a case of the shits would sadly be a good day for me
53:52 <Halcyon> Heh fair enough
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11:07 <arch> BOING! BOING! *me accidentally knocks over Halcyon's flowerpots*
11:14 <Halcyon> Hahah
11:27 <Halcyon> Don't worry, the Cockatoos already got to them
11:41 <Halcyon> One of the bastards shredded a sunflower we had growing
12:21 <arch> are they considered pests in aus? i consider deer pests. we dont have cockatoos, but we do have wild parakeets because people release them
12:46 <arch> deer and wild hogs are def pests
14:55 * arch loads shotgun with malicious intent
15:33 <MrMobodies> Feedback got rejected on Amazon
15:41 <MrMobodies> "Seller, order and shipping feedback
15:41 <MrMobodies> We don’t allow reviews or questions and answers that focus on:
15:42 <MrMobodies> Sellers and the customer service they provide
15:42 <MrMobodies> Ordering issues and returns
15:42 <MrMobodies> Shipping and packaging
15:42 <MrMobodies> Product condition and damage
15:42 <MrMobodies> Shipping cost and speed"
16:07 <MrMobodies> So I can't leave feedback anymore
18:15 <MrMobodies> "Ordering issues and returns". I ordered something, a new design turned up which has problems. So they can treat customers like sh*t and the buyer can't say anything
41:37 Join: Nothing\ ([email protected]) to #EEVblog
42:04 <Nothing\> i feel bad about myself
42:39 <Nothing\> i started watching sailor moon last night because it was a fun show i used to watch as a kid. Then I got this sinking feeling realizing how weird it is for a 40 year old man to be watching Sailor Moon by society's standards.
44:20 <Nothing\> I felt like a brony in training or something. Even though I'm just watching it for nostalgia. Shows about friendship saving the day and working together and believing in yourself aren't exactly for "kids" my age. I've seen too much.
47:23 * Nothing\ realizes nobody here probably knows what Sailor Moon was. Either too young or wrong country.
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29:00 <arch> electrohead, are you able to hear this guy where you are? https://www.youtube.com/watch?v=t7KAanZk9J0
29:00 <EEVBot> [YouTube] ⁨CB Channel 6 - Prime Minister - Back Down!⁩ | 5m 2s | Channel: ⁨VA3JPX⁩ | 33,616 views | 2013-09-26 - 17:24:29 UTC
30:03 Quit: watcher ([email protected]) Client exited
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36:27 <Nothing\> holy crap copper acetate looks cool once you grind it up
36:29 <Nothing\> https://i.ibb.co/gFXBvXYy/20260113-230802.jpg
37:01 <Nothing\> just a kinda deep blue, almost black crystal. But it's such a gorgeous color ground up finely.
37:14 <Nothing\> I can see why they use it as a pigment in paints now
37:56 <Nothing\> and the color changed the more i ground up it up. It started blue and went more and more green the more finely it was ground
38:16 <Nothing\> freaking love transition metal compounds
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02:12 <steve30> cool
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59:20 <Ampera> <3
08:13 * electrohead hugs Ampera first, then explodes
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