// #eevblog — 2026-04-02
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
00:31:32 Join: xstevia ([email protected]) to #EEVblog
00:31:48 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
01:32:49 <arch> K, i saw the full vid of https://www.youtube.com/watch?v=mmMshWVvf60
01:32:49 <EEVBot> [YouTube] Where Does Switching Loss Come From? (And How to Get Rid of It) | 15m 36s | Channel: ElectrArc240 | 56,223 views | 2026-03-27 - 15:51:39 UTC
01:33:04 <arch> he's pretty good from that video. will check out some others
01:33:12 <K> i found it informative
01:33:15 <K> no bulshit
01:45:23 <MrMobodies> No, no bullshit
01:45:32 <MrMobodies> I like his video on Gan power supplies
01:45:53 <MrMobodies> https://www.youtube.com/watch?v=vgmqUhvQlww
01:45:53 <EEVBot> [YouTube] Everything is Better: GaN vs Silicon Power Supplies | 31m 14s | Channel: ElectrArc240 | 685,628 views | 2025-04-30 - 22:22:15 UTC
01:46:10 <MrMobodies> that was in the recommendations
01:47:02 <MrMobodies> Heard of that word GaN in those USB power supplies which talk of efficiency but don't seem to explain what it is or how it works in comparison.
01:48:08 <MrMobodies> What a great idea, embedded in the coils in PCB and putting a magnet over it.
02:06:31 <arch> K, it's so good not to find chumps shilling jlcpcb or pcbway. this guy has more credibility for using quality parts and his pcb designs appear well designed
02:07:36 <K> yup
02:11:13 <arch> T3sl4, do you still do youtube vids or nah?
02:11:56 <T3sl4> not really
02:12:13 * K films
02:12:42 * T3sl4 foils
02:17:43 <T3sl4> huh, what happened to his giant inductor project
02:17:49 <T3sl4> i'm not thinking of another guy am i
02:21:51 * xstevia meows at the empty coffee cup
02:26:56 <arch> T3sl4, are you thinking...of me? :3
02:27:16 <T3sl4> did you wind giant inductors
02:27:20 <K> !coffe xstevia
02:27:24 <K> !coffee xstevia
02:27:24 * EEVBot drowns xstevia in coffee
02:27:28 <K> there.
02:27:45 <T3sl4> hm, stevia seems like it wouldn't sweeten coffee very well
02:27:48 <T3sl4> but i can't say i've tried it
02:28:42 <K> i did not like it
02:29:00 <K> the sweentess is awfully shallow
02:29:09 <K> if that makes any sense
02:29:37 <T3sl4> yeah, it hits different
02:29:52 <T3sl4> (tried that combination, i mean)
02:34:31 <xstevia> I just have coffee & milk
02:34:46 <xstevia> Im sweet enough already :p
02:58:14 Join: Kuschelpony ([email protected]) to #EEVblog
03:03:36 <K> hello Kuschelpony
03:03:43 <Kuschelpony> HelloK
03:08:28 <rust_collector> you people are sick. stop ruining coffee
03:16:20 * xstevia pets rust_collector
03:17:17 <rust_collector> in not so nice office style coffee, just sprinkle some instant coffee on top, that gives you the feeling of having added something?
03:40:24 * T3sl4 brushie Kuschelpony
03:40:35 <Kuschelpony> and hello T3
04:53:59 Join: steve30 ([email protected]) to #EEVblog
04:54:23 Quit: xstevia ([email protected]) Ping timeout: 2 minutes
05:53:55 Quit: steve30 ([email protected]) Ping timeout: 2 minutes
06:15:50 Join: cheeseandchives ([email protected]) to #EEVblog
06:30:47 Quit: Kuschelpony ([email protected]) Quit: Ex-Chat
09:33:02 <MrMobodies> Hello
09:39:26 <K> holla
09:44:16 <MrMobodies> I brought another two of these to realize
09:44:17 <MrMobodies> https://www.amazon.co.uk/dp/B0FGCPTWRZ
09:44:18 <EEVBot> [url] CERRXIAN RCA Ground Loop Noise Isolator,Hum Eliminator,RCA 2 Channel Passive Isolation Transformer,Noise Filter Canceller Eliminates Ground-Loop Hum for Studio, Home or Stage Use : Amazon.co.uk: Music | www.amazon.co.uk
09:44:24 <MrMobodies> they go up in price
09:45:00 <MrMobodies> I brought a few others from different manufacturers which doesn't seem to do anything but introduce more noise
09:45:15 <MrMobodies> it was £25 when I got the others
09:45:41 <MrMobodies> This is the other I got and returned
09:45:50 <MrMobodies> https://www.amazon.co.uk/dp/B000LP4RMG
09:45:50 <EEVBot> [url] Boss Audio Ground Loop Isolator and Noise Filter : Amazon.co.uk: Electronics & Photo | www.amazon.co.uk
09:46:14 <MrMobodies> I thought they are similar and should do the same thing but this don't
09:46:52 <MrMobodies> it doesn't do anything with the hum and introduced this high pitched hissing sound that wasn't there without it.
09:47:12 <MrMobodies> and coming from Boss a well known manufacturer seems quite disappointing
09:48:28 <MrMobodies> I originally expected the more expensive CHINGLISH one not to work and that the metal looks were a gimmick but it seems to work as advertised.
09:49:48 <MrMobodies> I just tried one from a computer at the end of the room to a Stageline mixer that had this horrible hum. I had there before two converters to optical to eliminate the noise which was taking up room.
09:50:03 <MrMobodies> in the rack and creating a lot of mess
09:50:52 <MrMobodies> but goes to show they are not all the same or perform the same as they claim to be
09:51:14 <flyback> heh
09:51:26 <flyback> I got ground loop isolators for cars
09:51:28 <flyback> rca plugs
09:51:29 <flyback> 2 channels
09:51:32 <flyback> $0.50
09:51:41 <flyback> YINZBINZ OWNS YOUR "CANUCK":
09:51:47 * flyback DROPKICKS NOTHING\
09:52:15 <flyback> got 2 in fact
09:52:49 <MrMobodies> wow
09:53:09 <MrMobodies> As you can see I am quite disillusioned
09:53:31 <MrMobodies> so many things selling, all the claim to do the same thing, cheap or expensive but not all of them seem to work
09:59:02 <flyback> wheere are u?
10:01:15 <MrMobodies> England
10:01:22 <flyback> oh
10:01:36 <flyback> I dunno if they have any amazon return bin stores there
10:04:05 <MrMobodies> Here's something... for 5 years I have used that optic converter between a Creative Live 24bit usb sound card via a 5m usb cord
10:04:22 <MrMobodies> using the SPDIF out
10:04:26 <flyback> I got optical converters for 50 cents also
10:04:27 <flyback> :P
10:04:37 <MrMobodies> Now to OS's, from the same disc image
10:05:08 <MrMobodies> Both machines use the same sound cards (that above) to a mixer
10:05:20 <MrMobodies> Now switching back to speaker... IT don't work!
10:05:36 <MrMobodies> switched machines over, it nows works (one with the filter)
10:05:40 <MrMobodies> and select speaker out
10:05:46 <MrMobodies> gues what?
10:06:19 <MrMobodies> the one that works Driver Creative Technology LTD Driver Date 05/07/2011 vERSION 1.1.100.0
10:07:08 <MrMobodies> the one that don't work with speaker out (28/08/2015 versionL 1.0.101.0
10:07:12 <MrMobodies> Isn't that GREAT
10:07:27 <MrMobodies> an older driver working flawlessly than the new one
10:07:42 <MrMobodies> I am somehow just find that infuriating
10:08:05 <MrMobodies> So I'll find that old driver and see what it does
10:08:32 <MrMobodies> It's for Windows 10 Enterprise LTSC Build 1809
10:08:58 <MrMobodies> I expected the new driver not to have problems like that
10:16:12 <MrMobodies> "Creative Software AutoUpdate" that's why.
10:18:42 <MrMobodies> aah same installer but no autoupdate on the laptop
10:18:55 <MrMobodies> might have forgotton to untick it
11:10:41 <MrMobodies> Found the same driver, installed and same issue. No sound out of output 1 or headphones
11:11:32 <MrMobodies> Maybe it is a power issue and it is a long USB cord, I'll put a USB external powered up and see what that does
11:15:11 <MrMobodies> oh dear, I plugged the speaker in rhe sound card and it's working
11:15:22 <MrMobodies> so it looks like thar ground loop maybw faulty
11:16:03 <MrMobodies> oh that can't be right either I swapped machine
11:17:18 <MrMobodies> oh it's working now
11:18:38 <MrMobodies> I feel cursed
11:19:10 <MrMobodies> or maybe there is a loose connection somewhere on both of the supplied phono cables
11:20:22 <MrMobodies> feel pretty agigtated from all of that and an hour and a half wasted
11:50:45 Join: steve30 ([email protected]) to #EEVblog
11:50:46 Mode: (by ChanOP) +o steve30
11:58:42 Quit: cheeseandchives ([email protected]) Quit: My Mac has gone to sleep. ZZZzzz…
12:14:47 Quit: flyback ([email protected]) Quit: Leaving
12:25:45 Join: flyback ([email protected]) to #EEVblog
13:42:48 Join: Rhine_Labs ([email protected]) to #EEVblog
13:44:49 Quit: Rhine_Labs_2 ([email protected]) Ping timeout: 2 minutes
15:01:43 Join: Rhine_Labs_2 ([email protected]) to #EEVblog
15:03:49 Quit: Rhine_Labs ([email protected]) Ping timeout: 2 minutes
15:21:42 Join: Nothing\ ([email protected]) to #EEVblog
15:25:29 Quit: Nothing\ ([email protected]) Quit: Leaving
18:11:12 <K> hello loose bits of heatshrink
18:25:13 <steve30> o/
18:25:28 <electrohead> \o
18:29:19 <K> !coffee steve30
18:29:20 * EEVBot slides a cup of joe to steve30
18:29:45 <K> !toffefee electrohead
18:33:10 * steve30 purrs at EEVBot
18:38:25 <electrohead> !coffee
18:38:25 * EEVBot hooks electrohead up to a coffee IV
18:42:03 Join: steve31 ([email protected]) to #EEVblog
18:42:05 Mode: (by ChanOP) +o steve31
18:44:43 Quit: steve30 ([email protected]) Ping timeout: 2 minutes
18:51:31 <Ysjoelfir> !energy
18:51:48 <Ysjoelfir> electrohead! the bot still doesn't do the most crucial things!
18:52:22 <electrohead> yes it does, just believe
18:52:24 <electrohead> xD
18:52:50 * Ysjoelfir imagines getting a nice can of Monster
18:53:47 <K> !porridge
18:54:03 <K> i will file a complaint! in triplicate!
18:54:34 * Ysjoelfir heats up a pack of "Ysjoelfirs instant porridge" in the microwave and slides it over to K
18:54:45 <K> a thank.
18:55:36 <Ysjoelfir> i once "developed" that mix, its quite nice actually. stores very well and just needs water and a microwave, or a watercooker. since I put powdered milk in, it still gets the creamy-rich impression of being made with milk
20:08:58 Join: steve32 ([email protected]) to #EEVblog
20:09:00 Mode: (by ChanOP) +o steve32
20:12:13 Quit: steve31 ([email protected]) Ping timeout: 2 minutes
20:35:55 Join: Nothing\ ([email protected]) to #EEVblog
20:46:52 <Nothing\> question about RF, whenever someone's around
20:49:42 <Nothing\> I was just thinking of the case of an antenna of any sorts. A dipole, or a whip, I suppose. Why doesn't impedance mismatching bounch the signal back down the antenna
21:01:34 <Nothing\> I AM A BANANA
21:02:10 <Nothing\> also apparently i own diablo iv without even realizing it, go figure.
21:02:38 <Nothing\> i spent hundreds of hours on 2 and 3 but less than 1 hour playing 4
21:03:06 <Nothing\> stupid future with it's lame video games
21:03:34 <Nothing\> and yes i know i'm talking to an empty room, it helps, dammit. lol
21:04:13 <Nothing\> it's like talking to a dog. You know they can't understand but it makes you feel better anyways. And my cats fell asleep when I tried that with them.
21:06:27 <K> no no we hear you, just dont know what to answer or is it even needed
21:08:24 <Nothing\> K, yeah i always picture you guys hiding behind the curtains trying to stay as still as possible like you're not home. lol
21:08:37 <Nothing\> "his vision's based on movement"
21:09:08 <Nothing\> i understand, though. I bamble
21:09:13 <electrohead> lol
21:09:19 <electrohead> !caffeine Nothing\
21:09:19 * EEVBot forces caffeine into Nothing\
21:09:52 <Nothing\> electrohead, one step ahead of you! I've got an early doctor's appointment so I'm just gonna stay up and go to bed when I get home
21:11:03 <Nothing\> haven't had any in a while, either. Which I find always gives it an extra punch.
21:12:37 <rust_collector> hm, stroganof sprinkled with jalapenos is pretty good
21:12:56 <Nothing\> heya rusty how's going?
21:13:50 <rust_collector> slowly.... why do you want to know?
21:14:39 <Nothing\> I was under the impression that was how normal people make small talk
21:14:43 <Nothing\> perhaps i was mistaken
21:15:06 <rust_collector> that might be correct, do you see any normal people here, other than K
21:15:29 <Nothing\> I'm not sure. I don't know what normal is.
21:15:51 <rust_collector> yes, and then you do it twice... so anger!
21:15:57 <Nothing\> i hear myths of it from time to time
21:16:26 <Nothing\> lemme ask you something rust_collector
21:17:12 <Nothing\> it might be hard to give just one answer, but what do you think is a good first power tool for someone getting into wood working? Something necessary and fundamental.
21:17:13 <rust_collector> i will lem you one ask
21:17:26 <Nothing\> I'm thinking some sort of cutting tool. A reciprocating saw maybe
21:17:59 <Nothing\> a cheap, relatively safe, easy to use and portable tool. Not a rotary saw or something with a risk of kickback or something.
21:18:19 <Nothing\> Heck, the let us use reciprocating saws in school in grade 7 when we were 12
21:18:33 <rust_collector> power tool... this will be boring, but probably a drill/screwdriver. there is not much you need power tools for, really
21:18:57 <Nothing\> or they called it a jig saw. I dunno if they were calling it the wrong thing or if a jig saw is like a reciprocating saw in some way
21:19:12 <Nothing\> it wasn't hand-held it was a proper full sized wood shop tool
21:19:21 <rust_collector> jigsaw is recip saw,
21:19:30 <Nothing\> ah okay there ya go
21:19:53 <Nothing\> yeah maybe thinner blade for better maneuvering if anything would be different, i imagine
21:20:07 <rust_collector> a sawsall probably is also. but they are still different
21:20:27 <Nothing\> yeah? See, I figured they were all the same
21:20:49 <Nothing\> but a sawsall i guess has a thicker blade?
21:21:11 <Nothing\> and from what i've seen, they're meant for metal? But maybe that's just because of what they're mainly used for these days lol.
21:21:11 <rust_collector> depends on what you want to make. if you are making nice small jewelry boxes, you need different tools to someone making a shed
21:21:50 <Nothing\> Well, maybe not jewelery boxes. But... actually a display shelf would be nice.
21:22:15 <Nothing\> maybe something around 2 feet wide, foot and a half
21:22:42 <Nothing\> My other problem is to hang anything on a wall i need a masonry drill, apparently
21:22:47 <Nothing\> i think, anyway
21:22:53 <Nothing\> one of those ones with the hammer function
21:23:17 <rust_collector> there is no real need for power tools then. but I would maybe think of the drill, or perhaps a track saw.
21:23:24 <Nothing\> I don't think a regular little $50 drill can produce enough torque to get through cement/concrete
21:23:29 <Nothing\> pretty sure it's just cement
21:23:34 * Nothing\ shrugs
21:23:34 <EEVBot> ¯\_(ツ)_/¯
21:23:55 <rust_collector> the torque is not the problem. it does not cut, it chisels its way thru
21:24:15 <Nothing\> Right, you need the right sort of bit.
21:24:31 <rust_collector> a masonry bit works better for masonry, yes
21:24:46 <Nothing\> So, you say as long as the drill isn't a complete piece of crap, all I should need is a masonry bit to anchor fasteners to a concrete wall?
21:25:00 <Nothing\> Because I've been putting off putting up curtains for years because of this conundrum
21:25:03 <rust_collector> that, and some anchor things, I guess
21:25:34 <Nothing\> I should totally hit up the hardware store and take a look at curtains and masonry bits.
21:25:56 <Nothing\> Here I thought I needed like a $500 drill
21:26:09 <Nothing\> (assuming price)
21:26:26 <rust_collector> they are like normal drill bits, with a dull bit of really hard metal at the tip
21:26:47 <Nothing\> lemme see what they look like
21:26:48 <rust_collector> you get them is all kinds of sizes.
21:27:05 <Nothing\> ahh okay basically like any other
21:27:17 <rust_collector> they are different, but not
21:27:22 <Nothing\> any suggestions on material types or anything I should look out for?
21:27:28 <rust_collector> no.
21:27:30 <Nothing\> right, material properties
21:28:04 <rust_collector> you need the size, for the anchor things you want to use. other than that, go get something
21:28:31 <rust_collector> I am just worried you will have curtains everywhere now
21:28:42 <Nothing\> I always forget the 6 properties, hardness, strength... ductility... umm flexibility? I wanna say elasticity but I feel like that's a function of hardness and strength. Maybe I'm wrong. It's been years since I thought about material properties in any detail.
21:29:32 <Nothing\> rust_collector, actually I've had a layer of like 5 towels nailed over my bedroom window for the past 4 years straight with duct tape around the edges to seal it completely from light
21:30:08 <rust_collector> ah, the lack of oxygen might explain some of these comments, lol
21:30:10 <Nothing\> problem is, after so long, they've accumulated a ton of cobwebs and dust, and they happen to be right over my bed, so as soon as I move them, all of that crap's falling into my bed.
21:31:03 <Nothing\> Plus, I turn my bedroom into a literal jungle climate during the winter. 27-28c with 60-70% humidity. Which means all of that humidity condenses on the ice cold windows between the glass and the towels
21:31:36 <Nothing\> the towels get all damp, and don't dry quickly because of the humidity, and the warmth makes the windows mold up like crazy
21:32:51 <Nothing\> rust_collector, actually it's funny. Despite keeping my room sealed so tightly, the CO2 levels rarely go above 500ppm. Where 450ppm is normal and I think it takes a couple thousand before you even feel something
21:33:59 <Nothing\> I remember hearing all of this stuff about how CO2 in a room with poor ventilation can cause issues. But, sleeping with windows covered, vents covered, crack under my door covered for 16 hours straight and there's almost no change
21:34:15 <Nothing\> I got this air quality sensor partly because I was curious about that
21:34:46 <Nothing\> i also learned the sensors on it are incredibly liberal when it comes to interpretting what chemicals they detect
21:35:20 <Nothing\> it told me an alarming amount of formaldehyde was coming from my bottle of gatorade and that my breath had carbon monoxide on it
21:36:18 <Nothing\> man these masonry bits are so affordable. I'm sure my mom has a decent drill in the basement.
21:36:25 <rc-garage> have you tried to put batteries in the thing, and remove the 1600 sticker from the display?
21:37:25 <Nothing\> it's actually rechargable lithium, which is nice. lol and yeah I removed the screen protector. I've actually bought a few products lately that came with screen protectors I didn't even notice until weeks later.
21:37:49 <Nothing\> I actually just removed the one from the pules oximeter i bought last month
21:38:10 <rc-garage> but yes, I think they measure something else, and just calculate some number that is close to what you need to know
21:38:38 <Nothing\> i like to clean a spot on my bathroom mirror, stick them on and write the date on them to see how dirty my mirror gets over the next couple of years or whenever I decide to remove it.
21:39:14 <Nothing\> rc-garage, yeah like the "formaldehyde" sensor is just aldehydes in general, not specifically formaldehyde
21:39:42 <Nothing\> i'm not sure about the carbon monoxide, I think there's cross-sensitivity with something else. Maybe carbon dioxide?
21:40:36 <rc-garage> dunno.
21:40:56 <Nothing\> And then it's got one for "volatile organic compound" which is the most vague thing ever, it goes up with just about any... well... volatile organic compound
21:41:20 <Nothing\> i sprayed a bit of butane into it and everything spiked
21:41:52 <Nothing\> it also has slightly more trustworthy sensors for particulate matter 2.5nm and smaller or 10nm and larger
21:42:17 <Nothing\> which i think is just a simple sort of LED shining on a photodiode type setup
21:42:30 <rc-garage> how about you make a nice coffin you can sleep in, so you dont ruin the room?
21:42:34 <Nothing\> damn thing goes off every time i vape
21:43:17 <Nothing\> rc-garage, I think a coffin would be too tight. I can't even use blankets. No. My ultimate dream-bed is a self-rocking bed.
21:43:25 <Nothing\> wouldn't that be freaking amazing?
21:44:00 <Nothing\> nothing wild, just a gentle motion like being in a car or something
21:44:29 <Nothing\> maybe it's the 1 year old in me, but car rides put me right to sleep. =P
21:44:40 <rc-garage> old motel bed? well. I like my bed to stay where it is
21:45:03 <Nothing\> That seems a bit too rough. And noisy.
21:45:14 <rc-garage> well, dont set it to 11
21:45:16 <Nothing\> I'm thinking something gentle like one of those swinging chairs
21:45:52 <Nothing\> or maglev for the silence lol
21:46:04 <Nothing\> lol if only i was that rich
21:46:29 <Nothing\> buy if that were the case, i'd just live at sea
21:46:34 <Nothing\> free rocking
21:47:11 <Nothing\> lol
21:47:20 <Nothing\> these drill bits are POWERFIST brand
21:47:23 <Nothing\> sounds sexual
21:47:46 <rc-garage> princess auto?
21:47:50 <Nothing\> lol yup
21:47:58 <rc-garage> that is their house brand
21:47:59 <Nothing\> yeah i know i'm a newb
21:48:06 <Nothing\> oh no shit?
21:48:08 <Nothing\> TIL
21:48:21 <Nothing\> i love learning something new every day
21:48:54 <Nothing\> yesterday i learned that moment of inertia isn't linear. Which explains soooo much confusion.
21:49:09 <Nothing\> I'd been confusing it with plain old linear inertia this whole time
21:50:15 <Nothing\> anyway, lucky for me i just got paid. So it's no big deal to go pick up the drill bits
21:55:31 <rc-garage> and the anchor things
21:55:52 <rc-garage> and maybe some screws for whatever you want to hang
22:02:38 <rc-garage> if you want power tool, maybe look at a sander? because sanding things is the most boring thing
22:05:13 Quit: steve32 ([email protected]) Ping timeout: 2 minutes
22:37:16 Quit: Nothing\ ([email protected]) Quit: Leaving
23:29:29 Quit: Some_Person ([email protected]) Ping timeout: 2 minutes
23:31:19 Join: Some_Person ([email protected]) to #EEVblog
23:35:21 Quit: Some_Person ([email protected]) Ping timeout: 2 minutes
23:36:43 Join: Some_Person ([email protected]) to #EEVblog
Search this day's buffer: