hybridfree/eevblog-posts huggingface dataset:
glue properties for metal-substrate bonding? - Page 1
Forum section: electronics / general

author: coppercone2
author_rank: Super Contributor
timestamp: April 27, 2020, 12:09:44 am
content: What kind of properties are desired in a glue (i.e. 3m catalog) for bonding copper sheet to fiberglass or other substrate for making circuit boards?Peel strength is a key factor I am assuming. How about stiffness?

author: T3sl4co1l
author_rank: Super Contributor
timestamp: April 27, 2020, 01:25:36 am
content: How about heat resistance, will it be soldered?No idea which one offhand. I'd look for an industrial epoxy, probably one used in a vacuum autoclave (the sort of thing composites builders use) or press. Alternately, choose a somewhat undersized substrate, then insert a thin layer of prepreg to bond it together. Traditional PCB processing.The usual, surface prep, sand/etch both surfaces, or whatever is recommended. Copper I guess might be oxidized, whatever's done for PCB foil seems to work well.I know of manufacturers that do this sort of thing, i.e. start with G10 (the mechanical equivalent of FR4), glue on copper sheet/plate, machine it and so on to make bus bars and whatnot. Unfortunately it's been a long time and I've since forgottenwhodoes this...Tim

author: coppercone2
author_rank: Super Contributor
timestamp: April 27, 2020, 03:03:14 am
content: Hmm, well if you look at epoxy tables they don't just suddenly fail at high temperatures, they become weakerhttp://multimedia.3m.com/mws/media/305321O/adhesivos-estructurales-3m-scotch-weld.PDFThere is a table here. Unfortunately does not go past 125C. I have used high temp epoxy before and its weird, it cures to glass unless you bake it.. but its still stiff as hell after (it becomes amorphous rather then crystalline when baked IIRC). Smells kind of spicy actuallyI guess its better if you do a single glue operation to make the whole thing, rather then to take the substrate then glue the copper on?But there could possibly be an advantage here, since the same epoxy for making the panel might not be the best epoxy for gluing copper to a panel (since they have different tempcos and stuff, maybe you can use something a bit gummy since its going to be a thin layer.And I am not sure you need to super press it, manuals claim the joint becomes 'epoxy starved' and you only need moderate pressure.It's more steps so companies might not do it for marginal benefit..Also, all the epoxy that 3m has are.. kinda shit at high temperature other then Dp810, which is actually an acrylic two part glue. But the decomposition point matters the most right, since its not going to be doing anything while its being soldered.I guess it would require some thermal cycle testing to figure out what works on samples, but I wonder what direction I should head in.
alodine (phosphate conversion coating) titanium? - Page 1
Forum section: electronics / general

author: coppercone2
author_rank: Super Contributor
timestamp: April 26, 2020, 07:31:50 pm
content: Does anyone know if the 1201 Alodine will work on titanium?They sell a different kind, that is not really available or cheap, that can work with titanium (1200S) that I don't have (because its going to be 99% aluminum work). The 1201 is the budget 'friendly' version AFAIK, which is good for the shop.I don't need the best coating, the idea is that I would just put it on the end of a titanium strip so it acts as a better electrical contact. The one I have is 5% chromic acid and some ferrocyanide compound (like machinists blue).I might cut off a small piece later to try it (when my cleaner comes in), but I am curious about the chemistry. It needs a flouride to work on titanium?
861dw contents - Page 1
Forum section: electronics / general

author: GOD
author_rank: Contributor
timestamp: April 11, 2020, 05:39:27 am
content: Hello guys wondering if the quick still comes with the nk850 nozzle adapter. Just want to know before I buy one. Saw a few people who said they came but when looking on youtube alot of people didn't have that adapter come with it.thanks

author: sn4k3
author_rank: Frequent Contributor
timestamp: April 13, 2020, 01:19:34 am
content: Quote from: GOD on April 11, 2020, 05:39:27 amIt comes for me, but the best is ask your vendor

author: korlatos
author_rank: Regular Contributor
timestamp: April 15, 2020, 05:32:35 pm
content: I bought a Quick 861DW recently here in the USA and it didn't come with the NK850 adapter, nor was the adapter listed on the packing list.

author: GOD
author_rank: Contributor
timestamp: April 26, 2020, 04:25:56 pm
content: Quote from: sn4k3 on April 13, 2020, 01:19:34 amcould i ask where yo ugot urs from?
Nitecore D4 EU battery charger input DC voltage - Page 1
Forum section: electronics / general

author: ziplock9000
author_rank: Regular Contributor
timestamp: April 25, 2020, 11:55:01 pm
content: According to the official specs, this unit is rated for 12v 1A input with no wiggle room.Has anyone tested this unit to see if it can support slightly different voltages, say 11.5 - 14v?The reason I'm asking is that I'd like to run this from a charge controller that *may not* be perfectly regulated and I don't want to open the unit as I think it's still in warranty.Thanks.

author: Gregg
author_rank: Super Contributor
timestamp: April 26, 2020, 02:06:40 am
content: I believe that some of the D4 model chargers are packaged with automotive cigar lighter type chargers that I'd bet are not voltage regulated. 12V automotive systems often charge at 14.5 volts or a little higher

author: ziplock9000
author_rank: Regular Contributor
timestamp: April 26, 2020, 02:25:43 am
content: That makes sense, but I'm hoping someone can verify before I zap it
SLA battery hazard ? - Page 1
Forum section: electronics / general

author: coppercone2
author_rank: Super Contributor
timestamp: April 11, 2020, 06:12:00 pm
content: Can a SLA battery be housed in a acrylic box, or is it a burn and explosion hazard? How about a vented acrylic box?I was wondering if you need a standoff plate between the battery and plastic.7AH 12V

author: Gyro
author_rank: Super Contributor
timestamp: April 11, 2020, 06:58:33 pm
content: You need the box to be vented, or at least not sealed - look at the manufacturer's datasheet cautions!You probably also want some padded mounting to reduce the chance of the SLA breaking your acrylic box too if you handle it roughly, the SLA casing itself would probably be fine.As for fire or explosion hazard, that depends on whatever else you put in there!

author: coppercone2
author_rank: Super Contributor
timestamp: April 11, 2020, 07:14:19 pm
content: just fuse. So the battery cannot melt and light acrylic on fire? I don't care if it ruins the box, just don't want it to start a fire

author: floobydust
author_rank: Super Contributor
timestamp: April 11, 2020, 08:24:12 pm
content: Is your acrylic hard, brittle? You need room for when the battery goes prego, they balloon out when a cell shorts and they become a 10V battery.If the enclosure fails, the battery can fall out.

author: tkamiya
author_rank: Super Contributor
timestamp: April 22, 2020, 03:16:41 am
content: Under normal conditions, hydrogen generated from SLA batteries are self-absorbed. But in extreme cases, cases bulge and then safety valve will pop.So I would not recommend sealing it in completely. But pop a few vent holes and a fuse should keep you safe.
Metcal MX500P & compressor - Page 1
Forum section: electronics / general

author: Nuno_pt
author_rank: Frequent Contributor
timestamp: April 29, 2020, 05:34:06 pm
content: Hi all,Today a neighbor of mine gave me a Einhell Euro 1500 E compressor, it's a 24l 8 bar compressor.The compressor is a bit rusty, with some paint falling off when I clean it, so I plug the thing to see if it would start, and it startNow the bad thing, on the output of the compressor it uses a Condor MDR 1/11ea pressure switch with start & relief valve system <https://www.condor-usa.com/mdr1-11-ea-212140>, which is broken it have a crack so it loses air so the compressor is almost always running to compensate the leak.Since it would be useful to have the compressor in here, to clean the bench and to use on other stuff around the house or car, I thought of using it for a desoldering gun.I was looking to buy a cheap desoldering station, but I've a Metcal MX500P-21 so it was just add the MX-DS1 gun and could use the compressor for the ventury.I've to replace the Condor MDR1/11ea switch, since he's crack, but what should I use after that to regulate the pressure and flow?Do I need a filter for the air/oil? of what type?Anyone with experience on this?

author: Nuno_pt
author_rank: Frequent Contributor
timestamp: May 01, 2020, 08:03:04 pm
content: Today I've the time to take some pictures of the compressor.Here are some pictures showing the actual state of the compressor, it works but I've to make some changes.1- buy a new Condor MDR1-ea112- buy regulator for 8 Bar to put on the output of the Condor3 - buy double outlet 1/4" BSF to connect to the Condor4- buy air/oil filter with regulator to put on the wall behind the bench to regulate the pressure for the Metcal DS1

author: Nuno_pt
author_rank: Frequent Contributor
timestamp: May 01, 2020, 08:04:50 pm
content: Some more pictures

author: Nuno_pt
author_rank: Frequent Contributor
timestamp: May 01, 2020, 08:06:59 pm
content: Last one.Since I've this compressor I'll start to rebuild it to use it around the house and one the bench with Metcal DS1.
arc damage and grease (hot plug) - Page 1
Forum section: electronics / general

author: coppercone2
author_rank: Super Contributor
timestamp: April 18, 2020, 04:56:10 am
content: So if you cannot avoid arc, do compounds like deoxit help, hurt or are neutral in fouling?I read you can use it on relays, but I never tried. I only used it on stuff like pins, sockets, etc that are not hot plugged (I try to avoid connecting my test equipment to things that are live, usually I ramp or have it tested for transients during startup).Since the arc is hot, I assume it could make soot? Can this actually be detrimental (fouling?).How about silicone gels, I read some advisory before from NASA that said something about them making glass on relays in space under vacuum.The manual for deoxit claims it reduces arcing, which is good, but does it effectcycle life? Is it a trade off, or is it just better? Same with things like dielectric grease. Like, if deoxit is applied, is there additional threat that might require treating an arc event (accidental switch left on during connection) as a fault, so that it should be cleaned or experience worse degradation then if it was a dry clean contact (subsequent arcing causes noticeable increase in resistance etc, as compared to dry contact).I am thinking about this because of stuff with batteries and switches. At power levels that make me think 'oh well, its fine' even when an accident occurs. I like deoxit but I want to know if additional caution must be taken.

author: Ian.M
author_rank: Super Contributor
timestamp: April 18, 2020, 06:31:08 am
content: Some hydrocarbon greases and oils are suitable for wiping contacts. However carbonisation is a concern, and the mechanical design needs to minimise the risk of tracking between contacts.Silicone oils and greases are absolutely unsuitable for contacts that break or make under load. Arcing will break them down to form silicon carbide particles that rapidly abrade the contacts, and in association with metal oxides from the degraded contact surfaces, they can form glassy deposits. They are also known to be problematic in trace quantities, so even cleaning nearby equipment panels with a silicone polish can cause relay failure.Fluorocarbon and other halocarbon oils and greases are also undesirable on potentially arcing contacts as burning them typically produces HF (or HCl etc.) acid gas which attacks metal surfaces, producing a non-conductive metal halide coating. Additionally their thermo-degradation and partial combustion products can be extremely toxic, (more so than low level HF exposure).
T12 handle - zener solder into via - correct or not - Page 1
Forum section: electronics / general

author: Mouse69
author_rank: Contributor
timestamp: April 14, 2020, 02:06:11 pm
content: Hi Guys,Is this T12 handle wired correctly? Seems to be a dashed line next to the zener, which seems to soldered into a via?This handle:The zener in question:

author: floobydust
author_rank: Super Contributor
timestamp: April 14, 2020, 06:32:24 pm
content: Usually blue goes to the shake switch, but they might have flipped blue and white, or the sensors because the symbol is a shake/mercury switch.Yes it looks wired right. I don't know the exact "907 to T12" internals.It's not a zener didoe, it is a glass thermistor to measure cold-junction temperature for the socket in the wand. Next to it is the shake switch.These have two grounds, one for the two sensors (shake, CJC) and another for the high current heater return.Quicko combined them to save money, so their products are only 4-wire, not 5-wire.

author: Mouse69
author_rank: Contributor
timestamp: April 17, 2020, 07:45:56 am
content: Many thanks Floobydust
chromate conversion coating vs self etching primer for aluminum - Page 1
Forum section: electronics / general

author: coppercone2
author_rank: Super Contributor
timestamp: April 16, 2020, 03:24:05 pm
content: Are they compatible? I saw they sell various products for aircraft that you can chromate aluminum with, prior to painting.However, if this is done, should self etching primer be used, or regular primer? Does the etching nature of self etching primer degrade the conversion coating?

author: eKretz
author_rank: Frequent Contributor
timestamp: April 16, 2020, 06:36:38 pm
content: I would think the etching primer would remove the dichromate coating. Stick to one or the other. You can also etch aluminum pretty well using phosphoric acid "clean and etch" type solutions.

author: coppercone2
author_rank: Super Contributor
timestamp: April 17, 2020, 02:39:25 am
content: I was thinking of the Alodine coating.
Difference between T12 and T13 - Page 1
Forum section: electronics / general

author: Dgouty
author_rank: Newbie
timestamp: April 14, 2020, 03:18:12 pm
content: In a general sense... The difference between t12 and T13 is the?T13 is a little smaller in diameter?Typically the tip length protruding from the holder is shorter?Is T13 lower wattage?Has anyone ever had both types in front of them?

author: Dgouty
author_rank: Newbie
timestamp: April 15, 2020, 01:37:53 am
content: I suppose I'm confounded as to what's the point to have both formats. Was searching for the reason for both formats to exist and assumed there must have been some kind of good reason I had overlooked.Seems that the T12 standard would have sufficed.

author: Shock
author_rank: Super Contributor
timestamp: April 15, 2020, 08:46:18 am
content: I've redone my post as I was talking about both in the same breath and it's confusing.Firstly for genuine Hakko go to their website all the dimensions are listed. The T12 and T13 (aka T17) are the same wattage and thickness but have different flanges they are not compatible. T13 has limited tip geometries compared to T12. The T13 are designed for N2 (Nitrogen) soldering.There is no such thing as "standardized T12 or T13" in China. You get whatever is thrown in the box from where you place your order. They are not manufactured by one specific company and could be copies of copies with design or even material changes. So consider Chinese T12/T13 as only a generalized name for a tip design copied from Hakko. The Chinese T13 tips are shorter and the flanges are in different spots to the T12 so they aren't compatible either.Hope that explains it more clearly.

author: Dgouty
author_rank: Newbie
timestamp: April 16, 2020, 04:52:25 am
content: Ahh. That makes more sense. Thank you.So. Assuming Hako, T13 designed for nitrogen is likely more "fragile" from a material standpoint and won't last as long if used in regular air?In terms of Chinese T13 it is a crap shoot and who knows.I think I've got it.

author: Shock
author_rank: Super Contributor
timestamp: April 16, 2020, 01:54:36 pm
content: I've never used Hakko T13 tips or their N2 systems. If you do a bit of soldering and are looking for a cartridge based station I recommend getting a Pace ADS200 over Hakko or messing about with T12 Chinese stations.
TS100 "Otter Iron" firmware / USB-C 60w mod - Page 1
Forum section: electronics / general

author: Mp3
author_rank: Frequent Contributor
timestamp: April 16, 2020, 05:26:23 am
content: I have not been able to find out any discussion about this.....https://twitter.com/JanHenrikH/status/1208867279540232192I'm looking into trying to get some pcb's ordered, hopefully with some of the more difficult components pre-soldered. Anyone here got one of these built up? It looks really great.
Desoldering vaccum under ~$200, thinking ZD-915? - Page 1
Forum section: electronics / general

author: Mp3
author_rank: Frequent Contributor
timestamp: April 15, 2020, 01:53:24 pm
content: I haven't had a desoldering iron since my old Hakko 808 stopped working reliably a few years ago. Just been using wick. I am looking at the ZD-915 and the SS-331H, both seem to be reasonably priced and have decent reviews after being sold for a few years. Are there any other options i may be overlooking? I'm sick of poking conical tips thru pcb holes to open them back up

author: true
author_rank: Frequent Contributor
timestamp: April 15, 2020, 02:05:11 pm
content: The ZD series tends to have control board failures. There's firmware for early units but not for later units (anything made in the last 5+ years).Parts are plentiful and cheap as long as it relates to the handpiece.Haven't used the other.
maximum thickness for etching PCB? heavy copper and sidewalls - Page 1
Forum section: electronics / general

author: coppercone2
author_rank: Super Contributor
timestamp: April 13, 2020, 01:56:08 am
content: So I understand the heavy copper PCB etching process is difficult, I think they electroform copper on the stuff now to make it look nice.But, I was thinking, for DIY, you often run solder over the etched traces anyway to add some protection. With a etch, how heavy can you go before it goes from ugly to unusable?

author: helius
author_rank: Super Contributor
timestamp: April 13, 2020, 02:20:07 am
content: I think 4oz is the practical limit. Or else you would have 8oz available for high-power stuff where cost is no object, and as far as I am aware, you don't.
solder quality help  - Page 1
Forum section: electronics / general

author: pedroborges
author_rank: Newbie
timestamp: April 09, 2020, 02:40:14 pm
content: good, does anyone know the following solder brands: ALPHA , BROQUETAS ,CYNEL ,STANNOL and WELLERwhat would be the best choice of welds from the brands I mentioned ?

author: Ian.M
author_rank: Super Contributor
timestamp: April 09, 2020, 02:58:22 pm
content: Weller used to be a decent quality manufacturer of soldering irons. They've been bought out by so many venture capitalists that I wouldn't trust any 'Weller' brand accessories or consumables further than I could spit. Alpha Metals, and Stannol are reputable 1st world solder manufacturers. As for the rest, you'll have to do your own research.You can't just choose by brand as you'll also need the solder to be a suitable alloy, type of flux and diameter (wire) or particle size (paste) for your application and soldering tools.

author: coppercone2
author_rank: Super Contributor
timestamp: April 09, 2020, 09:00:16 pm
content: Quote from: pedroborges on April 09, 2020, 02:40:14 pmif its the same alpha as wire, its a good brand

author: KL27x
author_rank: Super Contributor
timestamp: April 11, 2020, 10:25:42 pm
content: Try em in smaller quantities, first.Even the chinese crap is sometimes alright. I very rarely use a thin diameter wire, so's a 50 gram roll can last years. If you buy sample enough brands, half of them will be ok. The other half can go in the garbage can.
Is there a chance this $11.82 Mustool MT883 soldering iron is any good? - Page 1
Forum section: electronics / general

author: Grunchy
author_rank: Newbie
timestamp: April 23, 2020, 07:11:16 pm
content: https://www.banggood.com/MUSTOOL-MT883-80W-Electric-Solder-Iron-Station-Adjustable-Temperature-180-480392-896-Auto-Sleeping-110V220V-EUUSUK-Plug-Option-p-1553736.htmlI was interested in TS100/TS80 but that one just seems a bit overpriced and I don't need portability. But I am interested in the temp control.In the photos, supposedly this Mustool utilizes the ground connection. It shows a 2 pin ceramic heater which couldn't have temp feedback, right?Nevertheless they advertise temp control +/- 3°C which is pretty remarkable if it were true.I presume you'd need a thermometer to confirm it, and not a lot of people have such a thermometer, so they are free to make the claim and who's the wiser? Probably nobody or very few people?Supposedly it has auto-off and about 25-30 seconds to warm it up, which sounds pretty poor considering the performance of the TS100/TS80.On the other hand the price sure looks right.I'm just a hobbyist and I cannot anticipate even using the auto-off function. 25-30 seconds warmup, ah whatever.I did do a forum search and only found Mustool oscilloscopes which were generally not well received. So I wonder what people would think of this thing?

author: thm_w
author_rank: Super Contributor
timestamp: April 23, 2020, 09:07:57 pm
content: Whats wrong with a T12 clone? They are cheaper than TS100.QuoteSaves ruining tips and wasting a bunch of power if you left it on over night or something. Rare occurrence but nice to have.Their included tip also looks bad (conical).

author: amyk
author_rank: Super Contributor
timestamp: April 24, 2020, 12:10:38 am
content: The two-pin heater could either mean a thermocouple is in series (like what some Atten models have) or it just measures the heater's resistance itself, during the low parts of the mains waveform. The circuit seems pretty clever.
Pace pps-100A - Page 1
Forum section: electronics / general

author: Ben sage
author_rank: Contributor
timestamp: April 10, 2020, 03:10:12 pm
content: Hi guys i’ve been looking at a pace pps-100A and it costs about 110$US and I was curious to know if That’s a good deal I wanna know how old it is I don’t want anything with vacuum tubes Thank you very much for your comments

author: Shock
author_rank: Super Contributor
timestamp: April 10, 2020, 05:47:29 pm
content: Looks around 70s to mid 80s. So perhaps up to 50 years old, as long as it's complete and works perfectly, having the foot pedal is a bonus. I wouldn't like to piece one together manually though that might be hard work. It's iron and desoldering iron look mains voltage derived the newer ones are low voltage.
light fixture lens E71514 - Page 1
Forum section: electronics / general

author: coppercone2
author_rank: Super Contributor
timestamp: April 05, 2020, 05:31:27 pm
content: How do light fixture lens work? I have a quad bulb in the kitchen that I invested in with a label on it that says E71514. I invested in LED lights for it and it had a nice curved lens cover.. which broke.I want to get a replacement part for it, since I have bulbs, ballast, etc. When I google it, the eaton website shows up, but it offers a few different parts. Is the base a standard part which different lens can attach to?

author: andy3055
author_rank: Super Contributor
timestamp: April 08, 2020, 02:30:31 am
content: Not sure about the curved profiles but I have bought flat diffusers at Home Depot which I had to cut to size. You can try a lighting supply store like Lamps Plus.

author: coppercone2
author_rank: Super Contributor
timestamp: April 08, 2020, 04:13:22 am
content: yea this thing was like very round, it was a nice light.. not like a shitty basement/shop light.round rectangle with sweeping edges. Fabrication would require alot of hot bending
Constant clogging of SP-1010DR desoldering gun - Page 1
Forum section: electronics / general

author: ascomm
author_rank: Contributor
timestamp: January 31, 2020, 05:53:57 pm
content: Hi, all desoldering gurus out there!Am I doing something wrong or what? My SP-1010DR is clogging every f..ing time I use it. To get the suction pipe open again takes usually over 30 mins as the solder sticks very hard to the cold end of that pipe. You can not really use any force and only way I have figured out to get it open again is to heat the pipe's cold end with soldering iron and at the same time push steel rod throught the pipe. Very annoying!!Is there anything what can be done to help that?

author: ascomm
author_rank: Contributor
timestamp: April 11, 2020, 05:38:18 am
content: Any thoughts of this?

author: andy3055
author_rank: Super Contributor
timestamp: April 11, 2020, 05:47:19 am
content: Check if it has a leak. If there is, the nozzle will not clear as the air come from where the leak is.

author: SilverSolder
author_rank: Super Contributor
timestamp: April 11, 2020, 10:34:42 am
content: Clogging is par for the course with these things, IME. I use the cleaning tool every time I "slurp" some solder from the board, just to make sure there is no build-up...As always, lead free solder is worse than leaded...

author: BurningTantalum
author_rank: Frequent Contributor
timestamp: April 11, 2020, 12:41:21 pm
content: I'm not familiar with this unit, but I know that my Pace MBT will clog very quickly if I don't 'overrun' the pump when I have desoldered a joint. I recall that it took a lot of 'training' to remember to do this each and every time. I was going to add an over-run timer, as I did for gas in my MIG welder, but it was easier to retrain my brain! I am not aware of doing it now, and hold the trigger on for about 1.5 seconds after I have removed the nozzle from the job. It seldom clogs at all now.BT

author: coppercone2
author_rank: Super Contributor
timestamp: April 11, 2020, 04:39:54 pm
content: if allowed by your work procedures, you can lubricate stuff with a tiny bit of oil (forgot what kind, probobly silicone). I saw it in a pace video, I don't own a desoldering gun. It helps with clogging but may contaminate some high value stuff (I figure satellites)
Cheap JBC C245 tips? - Page 1
Forum section: electronics / general

author: kieronriding
author_rank: Newbie
timestamp: April 02, 2020, 04:40:45 pm
content: Hi, I'm looking for C245 tips. Apparently knokoo used to sell cheap clones that were decent but I can't seem to find them now. Does anyone have a source to cheap jbc c245 or clones?CheersKieron

author: jc101
author_rank: Frequent Contributor
timestamp: April 02, 2020, 08:45:03 pm
content: TME.eu sell original tips, and they quite often put up discount codes on their website.I've found that since registering on their website I've had a few codes come through, normally 10% or 20%.

author: giovannirat
author_rank: Regular Contributor
timestamp: April 03, 2020, 06:33:42 am
content: I bought a set from this guyhttps://www.ebay.at/itm/A-Set-Of-9-Pieces-Of-New-Tip-JBC-C245-957-747-406-911-907-741-710-763-Gratis/303520149139?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649If the set matches your need, then that's a good offer. ..

author: kieronriding
author_rank: Newbie
timestamp: April 04, 2020, 03:58:41 pm
content: Thanks for the link I have just ordered the 9 tips you suggested for a bargain price, it's cheap and I would use probably 6 tips of what is there.Also I have managed to find the tips on Ali express for the knokoo type. Here is the link for those interestedhttps://a.aliexpress.com/_BUmKCt

author: Hydron
author_rank: Super Contributor
timestamp: April 06, 2020, 12:16:40 am
content: Price has jumped up 20 quid since I jumped on this, though they're throwing in another (doubled-up) tip for 10 total. Still a good deal though - the double-ups look like some of the more useful ones. Now I just need to pick up an iron to match... (this deal basically made the choice between JBC and Pace for me)
black chrome plating? - Page 1
Forum section: electronics / general

author: coppercone2
author_rank: Super Contributor
timestamp: March 14, 2020, 11:55:54 pm
content: My machinists rule is black chrome plated (whatever this is exactly, PEC tools) and one of them has deteriorated for some reason. I don't remember if it was rust that I removed or if it just flaked off, but its annoying because there is a particular angle that the ruler is hard to read under high light conditions.I thought it was fully stripped down to steel and I tried the cold-blue (selenium) but it has no/very little effect. Its a fine ruler so it would be really annoying to mask out the markings. It is a little pricey and I wonder if I could at least some how make it not go into beastly predator camo mode, even if it looks wrong/has a gradient.This one goes down to 64ths

author: helius
author_rank: Super Contributor
timestamp: March 15, 2020, 12:12:26 am
content: black on non-aluminum surfaces is usually some type of conversion coating, so the composition will be a type of chrome zincate.

author: unknownparticle
author_rank: Frequent Contributor
timestamp: March 15, 2020, 09:16:19 pm
content: cold bluing only works on ferrous metals.

author: coppercone2
author_rank: Super Contributor
timestamp: March 15, 2020, 09:45:06 pm
content: it says finest quality steel, it must be two platings with the top plating rubbing off but the bottom plating being non reactive with the cold bluei used cold blue on cast iron and tool steel without problems. pure nickel undercoat?

author: eKretz
author_rank: Frequent Contributor
timestamp: April 05, 2020, 12:56:23 pm
content: Stainless?
Chip quik alternative? - Page 1
Forum section: electronics / general

author: kieronriding
author_rank: Newbie
timestamp: April 04, 2020, 04:08:53 pm
content: Hey,I've just watched a video of Dave removing an IC with a very high pin count using chip quik solder very easy. For anyone that is not aware chip quik is an alloy that can be added to existing solder, it has a very low melting point so when heated it says melted for much longer than regular solder. This is ideal for removing processors and things like display connectors.I had a look online for this product and it cost way more than I'd like to pay, I'd probably use this quite a lot with the work I do.Has anyone found a cheap alternative to this product?

author: wraper
author_rank: Unknown
timestamp: April 04, 2020, 04:14:09 pm
content: Rose's metal, Wood's metal.

author: kieronriding
author_rank: Newbie
timestamp: April 04, 2020, 04:27:00 pm
content: Have you used this before for mixing with old solder to remove chips. Is it toxic or will it cause any damage to the board?

author: wraper
author_rank: Unknown
timestamp: April 04, 2020, 04:36:06 pm
content: Quote from: kieronriding on April 04, 2020, 04:27:00 pmYes I did. Wood's metal contains cadmium. But you should be fine as long as you wash hands and don't grind it into dust. With any of such alloys including ChipQuik you should remove it from bard with solder wick, apply new solder, then remove it again before soldering new component. Also you should also do double cleaning of soldering iron tip. That's because mixing low melting point alloy with solder will result in non reliable solder joints.https://en.wikipedia.org/wiki/Rose%27s_metallook at similar metals table.

author: GromBeestje
author_rank: Frequent Contributor
timestamp: April 04, 2020, 04:54:36 pm
content: Something like this?https://www.ebay.com/itm/Solder-wire-low-melting-point-124C-1m-1mm-Bi55-5-Pb44-5-alloy-good-desoldering/171173385076

author: wraper
author_rank: Unknown
timestamp: April 04, 2020, 05:01:54 pm
content: Quote from: GromBeestje on April 04, 2020, 04:54:36 pmNot really suitable for removing components. 124oC is quite high melting temperature.
F Watertite USB Connector (with Cap) + M Watertite Cable (Connector) for Home pr - Page 1
Forum section: electronics / general

author: Lord of nothing
author_rank: Super Contributor
timestamp: April 02, 2020, 02:04:34 pm
content: HiSomeone know I want (if possible) my own USB Breakout (I guess it called so) Box for a Tablet. The Producer of the Tablet have no Watertite USB Connection even its a Outdoor Tablet....Everyone know USB beside of Serial is "the" Standard for Client Device.So what to do with an Water-resistant GNSS Receiver who have a normal USB Connector on the other end is intend to use outdoor (who in middle Europe Rain, Snow,... fall)?So I looking in Google Image Search for Images (and Company) behind that and I count not found anything serious. Metz who come in my Mind didnt have anything.Thats the Chinesse Company I found:https://www.jniconconnector.com/supplier-329664-waterproof-usb-connectorWell are there better options?Thanks!
New Iron for repair work - Page 1
Forum section: electronics / general

author: kieronriding
author_rank: Newbie
timestamp: April 01, 2020, 07:45:38 pm
content: Hi, first post here so hopefully I'm doing it rightI'm an electrical engineer repairing VFDs and industry power supplies for a living.The company I work for is well establish but unfortunately they are lacking in the tool department. For some reason they still have us using the old style 80w Weller irons with no temperature control. I guess this worked 40 years ago and they dont want to spend the money on an upgrade, there is 40 bench engineers now so they would have to spent a fair amount to upgrade us to something like jbc or metcal.On that note, I'm after replacing my iron (out of my own pocket, £200ish budget) with something a little more modern and capable. We are always dealing with big ground points and desoldering IGBT packages.I've been looking at the jbc stations and don't really want to take such a hit on my bank account. I've been looking at the unisolder but it's time consuming to build. I have also seen the jabe ud-1200 which is a jbc clone.What are the best clones on the market that don't look to cheap and perform well. (customers sometimes come in so don't want something to ugly on the bench)Something that is compatible with the jbc tweezers would be pretty handy aswell!CheersKieron

author: Unknown
author_rank: Unknown
timestamp: April 02, 2020, 01:00:17 am
content: I have the Jabe and love it. I added 3 JBC tips to the collection. The tips that come with it are OK for really small stuff, but most of what I do is bigger so the tiny tips did not work well. I got the 4mm HT chisel and use it a good bit of the time, that tip is very well suited for working on my motorhome (I live in it full time.)The JBC tips are pricy and I can't answer how long they will last because I've only had the unit for a couple of months. So far, the unit has worked flawlessly, its fast to heat up and comfortable to use. The other day, I had to connect two 12 gauge wires together. I was amazed at how quickly it heated up the joint.I'm not sure if it would work with the tweezers.BTW: I have the power turned down to 80A. I am not sure that is the right or best setting because the JBC model that the Jabe replicates is 130A.John

author: kieronriding
author_rank: Newbie
timestamp: April 04, 2020, 04:00:04 pm
content: Thanks for the reply, I have purchased the jabe and am waiting delivery. Looking forward to receiving it and will post a review when it shows up
10" working distance HDMI microscope - Page 1
Forum section: electronics / general

author: 1sciguy
author_rank: Contributor
timestamp: April 01, 2020, 07:31:30 pm
content: Saw this video and talked to the guy about his setup. In this video he had 8.5" working distance and now he has 10". Seems quite capable for electronics rework. His polarization trick seems neat to eliminate all back reflections.https://youtu.be/ZUPaai3C2Hc

author: Mechatrommer
author_rank: Super Contributor
timestamp: April 01, 2020, 08:07:57 pm
content: mine has about 13" working distance... can fully see about 5cm width pcb on the bench (same as his)... can be used with bundled PC software, some cross hair scale on the monitor that i dont use...https://www.eevblog.com/forum/reviews/34mp-hdmi-microscope-camera-(hayea-amszoom-ykins-tech-china)-quick-review/msg2489580/#msg2489580

author: 1sciguy
author_rank: Contributor
timestamp: April 01, 2020, 08:56:44 pm
content: Saw someone on ebay selling wide angle macro lenses for those andonstar units. Would be neat to get a little more board in view if it doesn't add distortion or hurt the depth of field. It was that x-ray vision (polarizers on lights and lens) that made me think about that Andonstar.

author: wasyoungonce
author_rank: Frequent Contributor
timestamp: April 02, 2020, 08:12:30 am
content: Quote from: 1sciguy on April 01, 2020, 08:56:44 pmAny chance of a linky? Ta!I just used my ADSM302 to do a QFN144 drag solder....went well but crave for more working distance and DOF.Never mind...found it....! Looks to be off the shelf macro there are many sizes need to get thread to fit
Portable mini spot welder charging instructions? - Page 1
Forum section: electronics / general

author: bklein
author_rank: Contributor
timestamp: April 01, 2020, 08:28:01 pm
content: does someone here know the charging instructions for this mini spot welder? Came with translated instructions that don’t make sense. 7.2vdc 1A power adapter. There is an led - when does it come on? I emailed two companies in China and got the same set of instructions from each.
How much money for door cam ? - Page 1
Forum section: electronics / general

author: MathWizard
author_rank: Super Contributor
timestamp: March 30, 2020, 10:51:23 am
content: If I wanted to get a little security cam to place over an outside door, could I get 1 that woulda) sort of hid it by fitting inside the glass light fixture, which would be about the size of a 3-4oz jar (750ml-1l)b)handle the heat from the light bulb, and the moisture and cold winters? (or use LED bulb)I'd rather a wired version too, no RF to be hacked.Does anyone make a decent cam like that? And what might that cost ? I don't want a $5 webcam off ebay, but this is just to point at my mailbox, I almost live in the ghetto

author: thm_w
author_rank: Super Contributor
timestamp: March 30, 2020, 09:37:02 pm
content: Wired with what sort of output, ethernet?Its going to be hard to find something that fits inside a light fixture and doesn't get swamped when the light turns on. Although some "light bulb cameras" do exist if you google that.Normally I would use hikvision (egDS-2CD2542FWD-IS-2$130) but there is no way to hide that.

author: MathWizard
author_rank: Super Contributor
timestamp: March 31, 2020, 11:19:42 am
content: I was just figuring since I'd rather hide the camera, maybe there are some that fit an average light fixture. Maybe the glass and reflections make that impractical anyways. That's alright.As for connection, IDK, but I'll make some sort of motion sensor for it too. Looks like good cam's are pretty cheap

author: thm_w
author_rank: Super Contributor
timestamp: March 31, 2020, 08:46:49 pm
content: Most decent cameras like the hikvision have configurable motion detection/line crossing/etc with an alarm output connection (relay contact?). If you want this output can be run to a LED or beeper.A mini-cam won't have something like that so you'd need to wire it up yourself.
ZB-Series reflow oven - Page 1
Forum section: electronics / general

author: Tantalum
author_rank: Regular Contributor
timestamp: February 23, 2020, 08:58:39 pm
content: HelloHas anyone tested those ZB-Series reflow oven?https://www.aliexpress.com/item/4000203148920.html?spm=a2g0o.productlist.0.0.189b73ce2WUyFh&algo_pvid=9de01561-88fc-42e5-b654-802451434f0f&algo_expid=9de01561-88fc-42e5-b654-802451434f0f-1&btsid=c0377cfa-208f-482c-a1ee-4fac7be50431&ws_ab_test=searchweb0_0,searchweb201602_9,searchweb201603_53I might be interested, but there is a difference between the small one (ZB2015HL) and the bigger one (ZB2520HL), the latter has "hot air circulation", the first one not.Does it make a REAL difference?Thank you for your opinion.

author: RobBarter
author_rank: Regular Contributor
timestamp: March 29, 2020, 04:17:18 pm
content: Have there been any recent reviews on the ZB range, ZB2520HL or larger? I'm looking spend upto to £600 but given all the negatives on the T962 range I'd rather avoid them. Not for prodution but prototypes and small batch runs of small board sizes (max 15cm * 15cm).
100% Real 0% Fake MEVG WOVL LRS-150-24 Power supply - Page 1
Forum section: electronics / general

author: dmg
author_rank: Regular Contributor
timestamp: April 15, 2020, 08:27:40 pm
content: So I'm building something that requires a 24V power supply among several other parts. I ordered most of the stuff from Aliexpress, including the power supply, which was advertised as a real Mean Well LRS-150-24 with pictures and all the requisite stuff, and had a price of about $18, which is maybe $1-$2 lower than I can get it from a reputable source such as Digikey or Mouser. What could go wrong, I thought. It looks like a reputable supplier, selling it at the same price as everybody else...Today I got the package and... behold the 100% real MEVG WOVL branded supply:They even stuck a "security" label with a verification code and all!. It sends you to your website:https://www.mw-meanwell.comwhere I suppose you can verify the serial number to see check if it's 100% fake or not.Looks like it's not too bad, almost identical in layout to the real deal, but it definitely uses lower quality components and has no safety listings, only the CE logo. Of course I opened a dispute, maybe it'll become mailbag item...Did you know MEVG WOVL? Any experience with their supplies?

author: thm_w
author_rank: Super Contributor
timestamp: April 17, 2020, 08:40:41 pm
content: Looks like smaller parts on the mains input filter, power transformer may be slightly smaller as well.Cool looking common mode choke.https://www.meanwell-web.com/en-gb/ac-dc-single-output-enclosed-power-supply-ac-input-lrs--150--24https://www.aliexpress.com/item/33030672222.html

author: amyk
author_rank: Super Contributor
timestamp: April 18, 2020, 03:36:49 am
content: You were probably expecting Taiwan Meanwell whereas you got Shanghai Meanwell.
Which Monitor /Display for my microscope camera? Or new camera? - Page 1
Forum section: electronics / general

author: Noy
author_rank: Frequent Contributor
timestamp: March 29, 2020, 08:54:15 am
content: Sorry put the whole text through Google Translation...:So:I have a 13MP microscope camera with an 8 "800x600 4: 3 display.Now I'm not entirely happy with it. The camera has HDMI and VGA out.Apparently I can switch between 1024x768 (VGA / HDMI) and 1280x1024 (HDMI) at the push of a button.At least that is shown on the connected display.Now I have several questions for a better understanding:There are now also cameras with 38MP from China etc. The 38MP are probably photo resolution. As a video, the often 1920x1080 @ 60fps some also have 2k @ 30fps.Are they great better than my current 13MP and the information does not match the 1280x1024 etc.I mean what do the 38MP bring if they mostly run in video mode and therefore "only" deliver 1920x1080?Sometimes I have to take pictures of solder joints for work. Unfortunately, an HDMI / VGA grabber costs significantly more than I want to spend.So either I buy for 70 € from china a 38MP camera which now has a uSD slot or USB connection to sometimes take the pictures.Alternatively, I would want to replace the monitor and could take a picture of it if needed, but would also have a better "live picture" in general.Now the higher resolution 1280x1024 is a 5: 4 resolution.What is the best way to buy a monitor? Would also like to upgrade directly from 8 "to 10.1". I have now ordered the following from Amazon:https://www.amazon.de/Eyoyo-Monitor-1280x720-Display-Sicherheitungssystem/dp/B07G54M779/ref=sr_1_19?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&keywords= 8% 22 + eyoyo + ips & qid = 1585352705 & s = computers & sr = 1-19Looks much better and has 1280x720 but is now smaller than my old 8 "with 4: 3 ..So I'm looking for a 10.1 ". But which resolution fits best?10.1 "with:1024x600 1280 x 800 1366x 768/1920 x 1200?Would definitely take an IPS with> 400cd and the highest possible contrast.Advantage on the new monitor, if necessary, it is used to quiet children while on vacation.Pictures once old 4: 3 and once 8 "IPS.What does an image from the camera (1280x1024) look like on a 1920x1200 display?Can it look worse because of render / convert?
Where to get some ESD matting - Page 1
Forum section: electronics / general

author: varno
author_rank: Newbie
timestamp: March 26, 2020, 08:35:56 am
content: Hi, It has been a while since this question has been asked, but where would you go to get say 4m of rubber ESD matting at 75 cm width. The links on the old pages have gone dead or want to sell 50ftAny help would be amazing.

author: MarkF
author_rank: Super Contributor
timestamp: March 26, 2020, 02:57:54 pm
content: I bought the Sierra matting from All-Spec.Currently, they have a 30" x 96" mat in stock:https://www.all-spec.com/Brands/Sierra/Catalog/Static-Control/Static-Control-Matting/ESD-Safe-Rubber-Benchtop-Mats/FSW170B

author: sn4k3
author_rank: Frequent Contributor
timestamp: March 26, 2020, 05:36:20 pm
content: Your country matter, but if you are in europe:https://www.ebay.co.uk/itm/Anti-Static-ESD-Grounding-PC-Repair-Mat-Kit-Various-Sizes-Complete-Kit/401686386228
Weller WMRP vs WXRP - Page 1
Forum section: electronics / general

author: ttodorov
author_rank: Regular Contributor
timestamp: July 25, 2018, 12:09:29 pm
content: Hello everyone,I have several questions regarding the Weller active tips cartridge irons. I know that WMRP is the old generation and the WXRP is the newer, but specification-wise they look the same to me. Is there any difference?In particular, I am really interested to know:- Is there any difference in the cartridges, or is the difference in the handles only?- Are the pinouts on the handle's connectors the same, or do they differ? I have seen sever DIY WMRP soldering stations that show the WMRP/WMRT connector pinout, but nothing for the WX series...- Is there anyone here, who is using WMRP or WXRP cartridges with a DIY station? I know that the cartridge is 40W, but the brochures from Weller/Apex also state 12V. I would like to know, if they can be driven by higher voltage/less current? Is it possible to use 24V and half the current to get to the same power output?- Is there any additional circuitry in the Weller WMRP/WXRP handles? If yes, would it be damaged by higher voltage (24V), if the cartridge itself could withstand that potential?Thank you all, who contribute to this forum and make it the great resource, that it is!

author: rovannon
author_rank: Newbie
timestamp: March 21, 2020, 12:56:49 am
content: HiIt is so idiotic that Weller had three different RT tip groups and all had a different hand piece. What a moron choice.But WXRP and WMRP uses the same tips. Download the RT Active Tip Brochure from Weller. You will see.If you ask me get this one to use all the RT tips. I seriously thinking of having one.https://hackaday.io/project/18899/logs.For the pinouts/voltages you can contact the people who makes these DIY drivers like the one i shared above. But if they are able to use all the RT tips with one driver i assume that the pinouts are the same.Yes there is circuitry in the handles and i dont think they will be happy with 24 volts.For additional information check youtube and hackaday. There is at least 3 DIY drivers for the RT tip i have seen so far. You can contact these people.
Specification of Marantz M-XPort? - Page 1
Forum section: electronics / general

author: Kirkhaan
author_rank: Frequent Contributor
timestamp: October 21, 2019, 06:49:19 pm
content: Hi,Does anyone know the specifications of the M-XPort?I have a Marantz receiver without M-XPort, but still want to use theRX101.Thanks!

author: michszym
author_rank: Newbie
timestamp: March 16, 2020, 08:31:56 pm
content: Hi.Did you manage to get the specification? I am looking for it but in a reverse need - to plug something to an m-xport that I have on my device.RegardsMichael

author: Kirkhaan
author_rank: Frequent Contributor
timestamp: March 16, 2020, 08:36:29 pm
content: No, was not able to find this out unfortunately....