// #eevblog — 2026-08-20
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00:06:32 Join: Kuschelpony ([email protected]) to #EEVblog
00:31:04 <flyback> hey MrMobodies did you get the pwm situation figured out?
00:46:40 <MrMobodies> not yet
00:46:46 <MrMobodies> that'd take me some take
00:47:05 <MrMobodies> I don't have 555 regulator so I'll order one and the components
00:47:21 <MrMobodies> I have other regulators but not that 555
00:47:44 <MrMobodies> and out of the many things I could find no 3 pn transistors in my collection
00:48:05 <MrMobodies> I am sure one is somewhere but too hot today to go through all my junk
00:48:18 <MrMobodies> I mean scrap motherboards
00:49:52 <MrMobodies> but what did came today was a cheap Chinglish Chinese that I want to play with
00:50:10 <MrMobodies> https://www.ebay.co.uk/itm/127438680271?
00:50:10 <EEVBot> [url] Error Page | eBay | www.ebay.co.uk
00:50:16 <MrMobodies> Brought it or the OpenWRT
00:51:07 <MrMobodies> I also have a Dell NO6D I'd like to put Openwrt on once I find a compatible minipci wireless adaptor
00:53:18 <MrMobodies> It'd be great if I can just create the stations I want and associate them to the Vlans where I can easily switch them on and off
00:53:54 <MrMobodies> I see to cut down on costs, it only has one led on it
00:54:25 <MrMobodies> and using the lan switch port for wan but it's not going to act as a router anyway
00:59:15 <MrMobodies> What I do, I'll set some other fans up for now in the vending machine with a Fanmate 6w until I can build something for that other fan
00:59:28 <MrMobodies> it has to be safe, I don't want a risk of fire
00:59:52 <MrMobodies> So I may either buy something in a casing
01:04:06 Quit: Kuschelpony ([email protected]) Connection closed
01:10:14 Quit: DHess_US ([email protected]) Quit: Later Synapsid Tetrapods
01:44:53 Join: Kuschelpony ([email protected]) to #EEVblog
01:50:15 Join: DHess_US ([email protected]) to #EEVblog
01:58:34 Quit: DHess_US ([email protected]) Quit: Later Synapsid Tetrapods
02:10:30 Join: DHess_US ([email protected]) to #EEVblog
02:46:56 Quit: DHess_US ([email protected]) Quit: Later Synapsid Tetrapods
02:51:57 Quit: Kuschelpony ([email protected]) Connection closed
03:08:10 <MrMobodies> Postig seems very slow
03:08:13 <MrMobodies> https://i.postimg.cc/8zdkYkCN/EP-RT2980-1.jpg
03:08:45 <MrMobodies> https://i.postimg.cc/g0kwqLHQ/EP-RT2980-2.jpg
03:09:05 <MrMobodies> Seen this time and time again, CPU temperature 79c idle
03:09:12 <MrMobodies> seems cold from the outside
03:09:19 <MrMobodies> upon opening it and very hot
03:09:31 <MrMobodies> but with the lid opened the temperature seemed not as hot
03:09:45 <MrMobodies> the top cover doesn't have any holes, how STUPID!
03:10:07 <MrMobodies> they have these things that look like vents but they are not
03:10:18 <MrMobodies> so I am going to drill into them and drill across to open them up
03:10:35 <MrMobodies> Very quick Openwrt UI
03:11:16 <MrMobodies> and it does some large metal heatsink plates at the bottom of the board.
03:11:31 <MrMobodies> so that fan should help and with the holes on the top cover
03:29:16 <flyback> https://www.phoronix.com/review/arctic-fan-controller
03:29:16 <EEVBot> [url] ARCTIC Fan Controller: The Best Fan Controller For Linux Desktops, Less Than $10 USD - Phoronix | www.phoronix.com
03:29:34 <flyback> cool
03:40:39 <MrMobodies> Output Current: up to 1 A per Port
03:41:03 <MrMobodies> not bad for 1a per port
03:41:44 <MrMobodies> Maybe I could get one of those for that vending machine and put some small fans in there
03:41:57 <MrMobodies> then connect it up to the Belkin USB network hub
03:42:22 <MrMobodies> and see if I can connect it to a virtual machine
03:42:47 <MrMobodies> then it could be controlled remotely
03:50:20 <MrMobodies> This might be ideal for that large fan
03:50:21 <MrMobodies> https://www.ebay.co.uk/itm/820000368107?
03:50:21 <EEVBot> [url] Error Page | eBay | www.ebay.co.uk
03:50:26 <MrMobodies> It is metal
04:09:52 <arch> quick question, about phase shifted full bridge vs resonant llc. the benefit with the former is constant switching frequency, but not quite as high efficiency as resonant LLC topology?
04:12:00 <arch> and more transistors, but who cares
07:21:29 Join: steve30 ([email protected]) to #EEVblog
07:21:31 Mode: (by ChanOP) +o steve30
07:52:53 <MrMobodies> It is 16c but feels HORRIBLE, no air flow. I just had a shower, windows open, two fans and still sweat.
07:53:41 <MrMobodies> if it continues like this I'd need to shut the doors and windows and put the air conditioner in the conservatory on and have the fans blow the cold air in the workshop
11:35:36 Join: DHess_US ([email protected]) to #EEVblog
11:55:07 <DHess_US> Had to rebuilt my workstation after the 3.3 volt supply failed, https://iili.io/CQ2r5iJ.jpg Cleaned everything up.
12:07:15 <flyback> heh, they have powerwheels drag racing
12:07:16 <flyback> hah
12:09:08 <flyback> https://www.youtube.com/watch?v=QHuwKHnrLnk
12:09:08 <EEVBot> [YouTube] Power Wheels Drag Racing at Housers Auto Center! | 9m 12s | Channel: Trevor’s Fast Life | 1,286,265 views | 2024-09-24 - 22:00:15 UTC
12:09:44 Join: Agripa3 ([email protected]) to #EEVblog
12:11:05 Quit: DHess_US ([email protected]) Ping timeout: 2 minutes
12:15:28 <steve30> what mobo/processor is that?
12:18:19 <Agripa3> Ryzen Zen 2 3700X, so 8 core 65W
12:18:36 <Agripa3> 64G of DDR4 ECC, Scythe cooler
12:22:05 <Agripa3> Asus Prime X570 PRO motherboard, so supports up to like 240 watts or something. I wanted it to be reliable.
12:24:17 <Agripa3> The 3.3 volt supply failed over more than a year, with successive RAID cards failing and then finally the nVME SSD not working.
12:24:48 <Agripa3> None of the RAID cards were bad, it was just the 3.3 volt supply causing problems, so now the original RAID card is back.
12:28:40 <Agripa3> The Scythe cooler was suppose to be better than an Hyper 212, but I am not convinced. My older 120W cpu ran cooler with a Hyper212 than this 65 watt processor does with the Scythe cooler which is suppose to be better.
12:30:47 <Agripa3> Ah, networking fixed. Somehow when I did the rebuild, one port of my dual intel ethernet card broke and was stuck at 100M instead of 1G.
12:33:34 <steve30> Looks a bit faster than my coffee lake
12:34:28 <Agripa3> Not by a lot
12:35:26 <Agripa3> I stopped buying intel after the Pentium4 because they were enforcing market segmentation by blocking ECC support on their processors.
12:41:40 <steve30> don't think i've ever had an AMD
12:43:20 <Agripa3> My order goes Intel P3, Intel P4, AMD Phenom II, AMD Ryzen 2
12:43:22 <DogWomble> my 486 is a rare beast known as the AMD 486DX/40
12:43:49 <Agripa3> Yea, I had a Micronics motherboard with Intel 486DX2, so 66 MHz.
12:44:21 <Agripa3> After that I had a Pentium 90MHz, and that was my last system without ECC.
12:44:41 <Agripa3> Then AMD K6-3, and then Intel P3
12:52:30 Join: Nothing\ ([email protected]) to #EEVblog
12:52:36 <Nothing\> weird
12:53:00 <Nothing\> all these months of having a disabled left hand/arm and not being able to play wasd games
12:53:49 <Nothing\> all of a sudden i fire up this new one i bought and start using my pinky for W, ring finger for AS and index finger for D like I've been doing it all my life
12:54:18 <Nothing\> i didn't even think anything of it until like 20 minutes in and i'm just like "huh, brains are weird"
12:55:08 <Nothing\> after all the reddit threads i read about alternative layouts and trying to learn right-handed dvorak and all this mucking about
12:55:30 <Nothing\> turns out all i had to do was turn my brain onto autopilot for 5 minutes
12:57:01 <Nothing\> it'll be nice playing osemithng other than this coin pusher game i bought for like $7
13:03:32 Quit: Agripa3 ([email protected]) Quit: Later Synapsid Tetrapods
13:03:38 Join: DHess_US ([email protected]) to #EEVblog
13:06:37 <Nothing\> heya DHess_US
13:09:33 <Nothing\> https://i.ibb.co/zWRcqS3g/20260806-110054.jpg
13:09:45 <Nothing\> 1lb my eye
13:10:04 <Nothing\> it's hard to see but the scale reads 36g
13:10:24 <Nothing\> dunno why ibb's being too slow to load an hd image
13:14:40 <DHess_US> Isn't loading
13:15:04 <DHess_US> haha
13:18:13 <Nothing\> boo-urns
13:18:46 <Nothing\> they're not even trying though. the second i picked it up i knew it wasn't anywhere close to 1lb
13:19:21 <Nothing\> and they show 455g on it, so it's not like they're trying to confuse you with mixing imperial and metric. They just flat out lied.
13:19:40 <Nothing\> surprising for a brick and mortar hardware store
13:20:20 <Nothing\> lol gemini thinks my "hamster" was wounded in a knife fight and is pleading with me to take it to a vet
13:23:52 <steve30> go to the vet anyway and tell them AI told you to go
13:23:56 <MrMobodies> Just finished with adding a fan and drilling some holes
13:23:57 <MrMobodies> https://i.postimg.cc/JtVh12y8/IMG-20260820-041452.jpg
13:24:11 <MrMobodies> https://i.postimg.cc/bwR1BQMs/IMG-20260820-041521.jpg
13:24:22 <MrMobodies> https://i.postimg.cc/d0tGPhcP/IMG-20260820-041703.jpg
13:24:39 <MrMobodies> I'll see how that goes hopefully it won't get to 80c this time
13:25:07 <MrMobodies> I was going to put a heatsink on the wireless controller but none of them seem to bond
13:25:25 <MrMobodies> but it does have a large metal plate under the pcb for that
13:26:56 <steve30> how hot was it supposed to get?
13:28:39 <MrMobodies> https://i.postimg.cc/prYdLBKB/Temp.jpg
13:28:44 <MrMobodies> A lot better 43c idle
13:28:53 <MrMobodies> I don't know but 80c is not normal for idle
13:29:11 <MrMobodies> It felt okay but as soon as I opened it up it was very hot
13:29:25 <MrMobodies> I solved one problem but I have created another.
13:29:40 <MrMobodies> It is DAMN NOISY!
13:29:51 <MrMobodies> the fan was quite without the lid on
13:31:10 <MrMobodies> I might cut part of the top open and mount one above with a grill
13:31:17 <MrMobodies> and remove that blower
13:31:20 <MrMobodies> https://i.postimg.cc/R4BNFnn0/Screenshot-2026-08-19-at-16-20-50-Openwrt-Overview-Lu-CI.png
13:31:26 <MrMobodies> A screenshot when I first switched it on
13:32:23 <MrMobodies> 64c and it would get to like 80c. I opened it and that black heatsink was boiling hot and not very comfortable with that
13:32:46 <MrMobodies> aah it is now 44.9 and seems to dither a bit
13:33:00 <MrMobodies> yep 44.5 to 44.9c
13:33:22 <MrMobodies> now I am looking at seeing how many Vlans it could handle and the performance
13:33:49 <MrMobodies> the fan sounds whistely with the lid on
13:34:13 <MrMobodies> it sounded okay outside the case or even without the lid on
13:34:39 <MrMobodies> THE OpenWRT UI seems VERY quick
13:35:02 <MrMobodies> compared to the Tplink one the Violin man got with Openwrt on it
13:37:03 <MrMobodies> interesting I thought it was a Mediatek
13:37:06 <MrMobodies> ARMv8 Processor
13:37:14 <MrMobodies> oops
13:37:15 <MrMobodies> ARMv8 Processor rev 4 (v8l) x 2
13:38:32 <MrMobodies> 224mb of memory
13:39:19 <MrMobodies> half used up but nothing about the flash/nand storage
13:40:04 <MrMobodies> oooh it's got graphs too
13:41:28 <MrMobodies> https://i.postimg.cc/d0LmZhH9/image.png
13:43:02 <MrMobodies> well that's disappointing only 2 lan's controllers instead of four (1 for wan)
13:43:45 <MrMobodies> anyway only one of two will be used (one for management) and one to router
13:45:13 <MrMobodies> well pleased I solved the overheating issue
14:08:20 <Nothing\> i need some EE advice
14:09:01 <Nothing\> i want to rig up something to write data, be it analog or digital to magnetic tape
14:10:26 <Nothing\> i'm wondering how much voltage i should use
14:25:34 Join: audiovial ([email protected]) to #EEVblog
14:35:04 <Nothing\> everything i read says "line voltage" whatever that is
14:35:24 <Nothing\> my gut tells me 3vpp
14:36:30 <Nothing\> 0+/-1.5
14:37:15 <steve30> if you are just using an audio tape head, something like that should work
14:37:22 <steve30> but experiment to find out
14:38:02 <Nothing\> yeah i'm reading anywhere as low as 0.3v but it's reddit so who knows
14:38:33 <Nothing\> and that it's variable
14:38:54 <Nothing\> that is, the max is variable
14:39:09 <Nothing\> obviously an audio signal is variable, heh
14:49:31 Quit: audiovial ([email protected]) Ping timeout: 2 minutes
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15:01:32 Quit: Lord_of_nothing ([email protected]) Ping timeout: 2 minutes
15:03:59 Join: Lord_of_nothing ([email protected]) to #EEVblog
15:05:02 <Nothing\> armenian looks so weird. nothing at all like any other written language
15:05:07 <Nothing\> Մի անգամ ես ճանաչում էի մի տղայի, որը արյան փոխներարկման կարիք ուներ։ Բայց նա արյուն չէր սիրում։ Այսպիսով, նրան խնձորի հյութ տվեցին, և աշնանը նա փոխեց գույնը, ընկավ ծառից ու մահացավ։
15:14:23 <MrMobodies> Very pleased, that cheap Chinglish Chinese thing manages a gigabit through the wireless.
15:26:15 <MrMobodies> https://i.postimg.cc/26psHbtj/1GBP-AXwireless.jpg
15:26:29 <MrMobodies> Looks like all that effort was worth it fitting that fan
15:28:23 <MrMobodies> the cpu does go up a bit even thought is shoes 0% on that transfer I did again
15:28:24 <MrMobodies> CPU: 48.6°C, WiFi: 46°C/46°C
15:30:36 <MrMobodies> but a lot better than 80c doing nothing
15:33:01 <MrMobodies> 46 - 47.5c on load
15:40:30 Quit: Nothing\ ([email protected]) Quit: Leaving
16:11:57 <MrMobodies> The other one is arriving and just found
16:11:58 <MrMobodies> https://www.snbforums.com/threads/rt-ac87u-died-unexpectedly-getting-hot-is-another-failure-imminent.72724/
16:11:58 <EEVBot> [url] Checking your browser | www.snbforums.com
16:12:14 <MrMobodies> Looks like they deliberately design it to overheat
16:12:26 <MrMobodies> so got to modify that as well
16:13:02 <MrMobodies> aah that's not the one I am getting that's an AC870
17:37:09 <rc-garage> I prefer... hmm, was it burmese. much more round
17:38:56 <rc-garage> သွေးသွင်းဖို့ လိုအပ်တဲ့ ကောင်လေးတစ်ယောက်ကို ကျွန်တော် တစ်ခါက သိခဲ့ဖူးတယ်။ ဒါပေမယ့် သူက သွေးကို မကြိုက်ဘူး။ ဒါကြောင့် သူတို့က သူ့ကို ပန်းသီးဖျော်ရည် တိုက်လိုက်တော
17:38:57 <rc-garage> ့ ဆောင်းဦးရာသီမှာ သူ့အရောင် ပြောင်းသွားပြီး သစ်ပင်ပေါ်ကနေ ပြုတ်ကျပြီး သေဆုံးသွားတယ်။
22:23:14 Quit: pepsiguy ([email protected]) Connection closed
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