hybridfree/eevblog-posts huggingface dataset:
862D+ Rework Station Schematic - Page 1
Forum section: electronics / general

author: electricMN
author_rank: Regular Contributor
timestamp: May 28, 2025, 06:40:34 pm
content: I reverse engineered the board assembly for the 862D+ Rework Station and thought someone else might like a copy of the schematic. No guaranties that it's 100% accurate.862D+ Schematic.pdf(813.93 kB - downloaded 103 times.)
ProsKit SS-331 Desoldering Station Air Compressor Mod / Very High suction - Page 1
Forum section: electronics / general

author: weirdstuff.gr
author_rank: Newbie
timestamp: May 11, 2025, 05:37:07 pm
content: Hi, just finished my Mod on a ProsKit SS-331 Desoldering StationWith this mod and 15 bucks in parts you can have a Metcal MFR-1150 equivalent desoldering station.Parts required :1x 12V Electric Solenoid Valve, Normally Closed1x Vacuum Generator SMC Type ZU07Smore details here:https://weirdstuff.gr/blog/proskit-ss-331-desoldering-station-air-compressor-mod/As the post is in Greek you can use google translateVideo:https://www.youtube.com/shorts/XX4sMgOHcn4Thanks
TIANMA TM080RDHP06 Tape 40 pins that I should connect to to get the image?  - Page 1
Forum section: electronics / general

author: Goodhot
author_rank: Contributor
timestamp: May 07, 2025, 05:44:15 pm
content: Hello, I have a question which pin is responsible for receiving the signal from the device for the image to show up, please help

author: thm_w
author_rank: Super Contributor
timestamp: May 08, 2025, 09:54:31 pm
content: You posted a photo of a car headunit LCD, you'll need to connect it to the car to get an image.Those components and connector on the left are just for buttons or touchscreen and voltage conversion.https://www.ebay.co.uk/itm/387008589736https://www.reddit.com/r/GolfGTI/comments/1k0o75m/did_i_buy_the_wrong_8inch_screen/

author: Goodhot
author_rank: Contributor
timestamp: May 10, 2025, 02:19:21 am
content: I know what this LCD is for, I found it at my friends' and I wanted to use it for other purposes than a car radio, among other things, I had a plan to connect it to a thermal imaging camera as an additional screen, but there was a problem with the camera sending an analog av signal and the LCD only processes the digital signal and without the appropriate converter it is not possible to rip it together, I learned so much, greetings
Tools to Monitor and Decode Industrial Communication Protocols - Page 1
Forum section: electronics / general

author: Bill
author_rank: Contributor
timestamp: May 08, 2025, 09:25:12 pm
content: Hi everyone,I'm looking for tools or equipment that can capture and decode communication signals between industrial devices — specifically for protocols like Modbus (RTU/TCP), PROFINET, CAN, RS-232/RS-485, and even PCIe.My goal is to read the data exchanged between a transmitter and a receiver, in order to analyze, debug, or reverse-engineer the communication.Do you know any reliable protocol analyzers, setups that could help with this?Any suggestions for hardware or software tools (open-source or commercial) would be greatly appreciated.Thanks!

author: godor2008
author_rank: Contributor
timestamp: May 10, 2025, 01:49:49 am
content: It sounds like you need logic analyzer. There are tons of them on market. Here are some models you can start comparison with:Kingst LA5016 (I have such at home) :https://www.aliexpress.com/item/32774297984.htmlDSLogic Plus (Had it and sold):https://www.dreamsourcelab.com/product/dslogic-series/Digilent Digital Discovery:https://digilent.com/shop/digital-discovery-portable-usb-logic-analyzer-and-digital-pattern-generator/Saleae Logic Analyzers:https://www.saleae.com/Also take a look here:https://sigrok.org/wiki/Supported_hardwareBut capturin PCI-Ex is completely different story. Here I don't have information

author: djacobow
author_rank: Super Contributor
timestamp: May 10, 2025, 01:58:11 am
content: Logic analyzers are the tool of choice when you are trying to debug the bus itself. When the bus is working and you just want to capture and inject messages, something like a member of the Bus Pirate series will be cheaper and easier to use, particularly if you intend to write python or C to implement higher level protocols.For PCI you will need something more exotic. For tcp (over Ethernet) you can use any old PC with an Ethernet jack and a packet sniffer like pcap.
Sequre HT140 (2-in-1) SMD Soldering & Desoldering Tweezers - Page 1
Forum section: electronics / general

author: perdrix
author_rank: Frequent Contributor
timestamp: May 06, 2025, 03:11:33 pm
content: Just got a mailer from Elektor about these. Has anyone got them and if so what are your thoughts? Good/bad/indifferent?ThanksDavid

author: thm_w
author_rank: Super Contributor
timestamp: May 06, 2025, 11:07:52 pm
content: Threads here:https://www.eevblog.com/forum/blog/eevblog-1650-sequre-ht-140-smd-desoldering-tweezers-review/https://www.eevblog.com/forum/reviews/sequre-ht140-thermal-tweezers-announcement/
Is Aixun HOT air compatable with ATTEN 821D nozzles or Quick 861 nozzles?  - Page 1
Forum section: electronics / general

author: u666sa
author_rank: Frequent Contributor
timestamp: April 18, 2025, 01:11:54 am
content: Aixun nozzles --https://www.aliexpress.us/item/3256806216510565.htmlQuick nozzles --https://www.aliexpress.us/item/3256806009255051.htmlAtten nozzles --https://www.aliexpress.us/item/3256801220931838.htmlIn particular I'm interested in ATTEN A2600 nozzle converterhttps://www.aliexpress.us/item/3256804744151936.htmlIt allows installation of older nozzles with a screw for different BGA sizes.

author: thm_w
author_rank: Super Contributor
timestamp: April 21, 2025, 09:35:27 pm
content: You can edit the original thread, you dont have to make a new thread.Answered here:https://www.eevblog.com/forum/testgear/aixun-hot-air-compatible-with-nozzles-from-quick-861/

author: u666sa
author_rank: Frequent Contributor
timestamp: April 29, 2025, 12:54:16 pm
content: Basically with atten adapter use any nozzle you want, and since Aixun H314 has curves, you can disorder cpu and south bridge. That still is something that is better to be done with bottom preheat and infrared head, but in most instances hot air will handle the job just fine.
Relife / Sunshine C210 tips acting strange. Why? - Page 1
Forum section: electronics / general

author: u666sa
author_rank: Frequent Contributor
timestamp: April 22, 2025, 02:12:21 am
content: I bought these tips a month agohttps://www.aliexpress.us/item/3256807827663274.htmlbut only got to test them today, since my soldering station arrived only today.Here is how original Aixun tip acts. When you set it to temperature to 280C for example, it stays on that temperature.Here is how Sunshine / Relife tips acts. It jumps all over the place.https://youtube.com/watch?v=-AK-Szyr0xQI got 4 relife tips and all 4 act like this. But other than that, tips are usable you can solder with them just fine. What is happening here?

author: thm_w
author_rank: Super Contributor
timestamp: April 22, 2025, 10:11:32 pm
content: Set the tip to 350 or 400, tin it, and let it sit out of the stand for ~5mins. See if it will "burn in".If the problem doesn't go away maybe just poor quality tip (bad thermal coupling inside).

author: Fraser
author_rank: Super Contributor
timestamp: April 23, 2025, 10:23:22 pm
content: This is interesting. I have just bought an Aixun T420D and was going to try some of those Sunshine cartridges. Now, after seeing how they behave, maybe not.Fraser

author: OneGeekGuy
author_rank: Regular Contributor
timestamp: April 24, 2025, 07:22:01 am
content: I bought 3PCs of C210-K same brand, will arrive probably next week, I will let you know how they behave....I bought same brand, Relife T245-IS, and I have the feeling using it with a JBC station that the temperature it is a bit off +-15°, but I did not see that jumps...
ESD safe inserts for metal shelving racks - Page 1
Forum section: electronics / general

author: NiHaoMike
author_rank: Super Contributor
timestamp: May 12, 2025, 04:22:27 am
content: I recently got some heavy duty metal shelving racks on sale, the kind with the grooved pipes and plastic inserts that lock each shelf in place. The ones I got are unpainted, meaning the plastic inserts are all that's preventing the shelves from being electrically connected to the pipes.Are there reasonably priced replacement inserts that are at least conductive enough to make it ESD safe provided a ground connection is made to one of the pipes? (I have an older shelving unit that's missing the inserts and therefore can't currently be used, hence why I'm looking for replacement inserts.) Or is just bolting a ground wire to each shelf my best bet, albeit not the neatest?

author: TERRA Operative
author_rank: Super Contributor
timestamp: May 12, 2025, 12:03:42 pm
content: Could you wrap a few strands of bare tinned copper wire around the insert to clamp the wire between the shelf and post before you put it in place?

author: thm_w
author_rank: Super Contributor
timestamp: May 12, 2025, 09:36:00 pm
content: https://www.costco.ca/seville-classics-6-tier-nsf-steel-wire-shelving-rack.product.100266862.htmlI just strip a section of insulation from tinned wire, wrap it around a few times on that shelf section, then route to the next. You could probably also use clips or copper tape or similar.It looks like they make special clips for this:https://www.static-dynamics.com/store/p3/ESD-Clip.htmlhttps://www.hisco.com/Product/ESDC-GP2-47917

author: colorburst
author_rank: Regular Contributor
timestamp: May 12, 2025, 10:20:15 pm
content: You're probably looking forMetro 9985-ESDconductive split sleeves. Zen recently showed them off on his channel, theyaren't bad at all. Though for my own use, I'd just use bare wire and some hose clamps.
multiband celll phone booster amplifier - Page 1
Forum section: electronics / general

author: rorymax
author_rank: Contributor
timestamp: April 21, 2025, 10:00:02 pm
content: Probably not the correct place to ask, sorry if I upset anyone, here goes.I am in UK, am looking for a cell phone booster amplifier setup to be used possibly anywhere in the UK, but most likely is needed in the more remote parts of Scotland where coverage can be and is in some aeas very limited or very poor.IthinkI need a device that ideally covers the frequencies betwen 700 MHz and 4000MHz, I think that I can live with only Bands 1, 3, 20 and 21 in the UK if I cannot have the 'full monty'.The main network providers here in the UK are Three, Vodaphone, O2 and EE, something compatible with all of those providers would be ideal.I would really like to know what to specify when I search online for suitable equipment, any help with that will be great.Any and all comments and advice very much welcome and appreciated.Thank you.

author: Haenk
author_rank: Super Contributor
timestamp: April 22, 2025, 03:16:43 pm
content: I highly doubt those boosters are legal. So your only choice is likely Aliexpress e.g. - and don't get caught importing or using this stuff.

author: thm_w
author_rank: Super Contributor
timestamp: April 22, 2025, 09:57:22 pm
content: Is Wifi calling a thing there? If so you could also use a legal wifi hotspot.Quote

author: Whales
author_rank: Super Contributor
timestamp: April 22, 2025, 10:43:07 pm
content: In Australia these are actually a legal and obtainable thing.https://www.wagneronline.com.au/cel-fi-go-mobile-repeater-to-optus/mobile-cel-fi-go/cellular-reception-extenders/communication-accessories/1001993/fl/There are versions for vehicles & buildings.Ihopethey tx & rx on different channels, but I don't know enough about the standards. They could be brilliant or rotten garbage.
Greenworks 24V 4h battery - Page 1
Forum section: electronics / general

author: userbattery
author_rank: Newbie
timestamp: April 22, 2025, 08:13:27 pm
content: I need two more batteries from Greenworks . I am from Montenegro (small country in europe) and i need it for my string trimmer.Now shipping is soo expensive and hard to get. So i was think if can do this. This is cheapest i can find.But this :https://www.aliexpress.com/item/1005008803759986.html?spm=a2g0o.productlist.main.17.47462d00UyniU7&algo_pvid=458e5659-948f-4511-bb8b-4b66e97442bd&algo_exp_id=458e5659-948f-4511-bb8b-4b66e97442bd-8&pdp_ext_f=%7B%22order%22%3A%22-1%22%2C%22eval%22%3A%221%22%7D&pdp_npi=4%40dis%21EUR%2113.41%2113.41%21%21%21110.00%21110.00%21%40210141f717453521996647960ed875%2112000046730426456%21sea%21ME%210%21ABX&curPageLogUid=lot2im8q37c0&utparam-url=scene%3Asearch%7Cquery_from%3Aand thishttps://www.temu.com/me-en/scooters-and-gear--g-601100160293670.html?_oak_name_id=4106168174115608802&_oak_mp_inf=EKa2ncyo1ogBGhZnb29kc192cHZyZ2dfcmVjb21tZW5kIKns7fflMg%3D%3D&top_gallery_url=https%3A%2F%2Fimg.kwcdn.com%2Fproduct%2Ffancy%2Fdf7eecef-94c9-43b4-aa7d-a67e70253720.jpg&spec_gallery_id=6409874084&refer_page_sn=10032&refer_source=10016&freesia_scene=11&_oak_freesia_scene=11&_oak_rec_ext_1=NjIy&_oak_gallery_order=1912350460%2C1848057774%2C1691304266%2C1279565135%2C59308324&refer_page_el_sn=200444&_x_sessn_id=ekpmfmd2ab&refer_page_name=goods&refer_page_id=10032_1745350260422_ycg6sjcroq, and find some electirician to put it together. My question is, are this possible and secure?
DisplayPort to Dual Link DVI adapter - Page 1
Forum section: electronics / general

author: encryptededdy
author_rank: Frequent Contributor
timestamp: January 14, 2016, 10:21:56 pm
content: I really needed one of these to drive my (DL DVI only) 2560x1440 monitor from my (HDMI & DP only) laptop, but I was very annoyed that basically all cost $80-100 USD. Finally bit the bullet and bought one, then took it apart to see what made it cost so much. Surprised to find so much inside.This particular adapter is Dell branded but made by BizLink.Input: DisplayPort and USB, Output: DL DVI. The entire thing is in a (presumably) magnesium case.BottomTopThe two Silicon Image Sil7172s are iTMDS Transmitters. I assume two are required for the Dual Link functionality.The STM GM68020H is a DisplayPort receiver IC

author: tooki
author_rank: Super Contributor
timestamp: January 15, 2016, 01:13:14 am
content: Why are you surprised? The reason single-link DVI adapters are cheap is that DisplayPort has a DVI/HDMI compatibility mode, where the DP transmitter outputs DVI/HDMI signaling, so only a cheap passive adapter is needed. But DP doesn't have enough pins for dual-link DVI, so those adapters need a DP receiver and two DVI transmitters, and whatever logic is needed to convert the actual video format.

author: encryptededdy
author_rank: Frequent Contributor
timestamp: January 15, 2016, 05:47:00 am
content: Quote from: tooki on January 15, 2016, 01:13:14 amMy logic was more that you could get Active DisplayPort -> SL DVI or -> HDMI adapters for ~20 USD (active generally for use with AMD Eyefinity). However these only use one chip.I would've assumed that a DL adapter would also be a simple design, perhaps with just one extra chip or something.

author: Kilrah
author_rank: Unknown
timestamp: January 16, 2016, 02:20:40 pm
content: If you look at the product sheet for that single component it's indeed nothing but a signal buffer/conditioner, there's no actual processing happening like needed to split a stream into 2.

author: wraper
author_rank: Unknown
timestamp: January 16, 2016, 02:26:28 pm
content: Quote from: encryptededdy on January 15, 2016, 05:47:00 amThat one chip is just level shifter, nothing more.

author: chaseadam
author_rank: Contributor
timestamp: May 08, 2025, 06:03:43 pm
content: I disassembled an Apple A1306 Mini Display Port to Dual-link DVI Adapter and found the same topology, but more compact with a lot of focus on shielding and added a USB hub for USB passthough. It was a bit of a bear to open up.The bizlink and apple adapters are the most stable I have found for the 2560x1600 60Hz dual-DVI monitors, but they can be very fickle, especially on the DisplayPort side.

author: tooki
author_rank: Super Contributor
timestamp: May 08, 2025, 07:05:07 pm
content: Quote from: chaseadam on May 08, 2025, 06:03:43 pmNice!Could you post some overview photos showing the whole board at once, one per side?
Faulty USB Voice Recorder from Impact Damage - Page 1
Forum section: electronics / general

author: jonovid
author_rank: Super Contributor
timestamp: April 11, 2025, 12:44:26 am
content: product manufactured by Elecrow8G Mini USB Voice Recorder120mAH lithium battery, charges from USB 2.0 portUp to 7- 8 hours continuous recording in the .wav file format.easy use, plug and play, no drive need.Dimensions: 65 x 21 x 9mmconvenient USB sound recorder that works as a USB thumb drivehowever when switched on becomes a portable microphone & sound recorder.convenient for dictation note taking ,job interviews , students , private investigators.unfortunately this USB recorder isfragile.becomes unreliable from shock damage if accidentally dropped.faulty recorder will stop recording after 30 sec or record at very low volume.I am unable to repair this unit . any suggestions? here is the images.unable to find the chip A3 LXLB1510B UKJ283 -unknown microcontroller?however I did find the 8 pin PCF8563TS that is a real time clock .1 8GB SD card.

author: Stray Electron
author_rank: Super Contributor
timestamp: April 11, 2025, 01:15:25 am
content: For $14 each I would just buy a pile of them and not worry about repairing them. Or is there some other motivation here?

author: johnboxall
author_rank: Unknown
timestamp: April 11, 2025, 01:33:25 am
content: Branko has a deal on cheap voice recorders...https://oatleyelectronics.com/index.php?cPath=133

author: thm_w
author_rank: Super Contributor
timestamp: April 11, 2025, 09:29:37 pm
content: Stopping after 30s is odd, did you try putting a new SD card in?

author: amyk
author_rank: Super Contributor
timestamp: April 12, 2025, 03:13:25 am
content: That is a SoC fromBluetrumbut they're one of those with an obfuscated marking scheme and very little public English documentation. Does the pinout vaguely matchthis datasheetfrom them?I'd resolder all the parts and check that the 26MHz crystal is oscillating correctly. Shock damage happens most easily to crystals.
PACE MBT350 LCD REPLACEMENT-Guidance/tips and how to please. - Page 1
Forum section: electronics / general

author: djsb
author_rank: Super Contributor
timestamp: April 19, 2025, 06:16:51 am
content: The LCD on my MBT350 needs to be replaced. Has anyone done this job before? Can you offer me any guidance or tips on what to expect? I've read somewhere on this forum that the front panel can be difficult to remove. I need to know the steps needed to specifically gain access to the LCD pins. Any help appreciated. Thanks.PS I can post pictures during disassembly if needed.
Hakko 950 vs fx-8804 Tweezers same product different connector? - Page 1
Forum section: electronics / general

author: yo0
author_rank: Regular Contributor
timestamp: April 13, 2025, 10:24:27 pm
content: hello, i have a fx-888, can i use the 950 with it changing just the connector?best regardsPio

author: thm_w
author_rank: Super Contributor
timestamp: April 14, 2025, 09:54:44 pm
content: Its not clear what you are asking.HAKKO FX8804-01 Hot Tweezer for FX-888D, FX-889, FR-701, FR-702I wouldn't bother with those, spend the money elsewhere.

author: yo0
author_rank: Regular Contributor
timestamp: April 14, 2025, 10:13:09 pm
content: I will try to explain better, y have a fx888 (non D) station, someone sells a new 950 hot tweezer, really cheap, i see the connector is different than the one on the recommended fx8804 tweezer, my question is if I can use it if i change the connector, visually seems both tweezers are the same except for the connectors.Best regards

author: thm_w
author_rank: Super Contributor
timestamp: April 14, 2025, 10:22:05 pm
content: "The Hakko 950 is compatible with the Hakko 936, 937, 939, 703, 926, 927 and 928 stations."https://kb.hakkousa.com/Knowledgebase/10581/Are-936-and-FX-888-Heating-Elements-InterchageableHakko says its not compatible, might still work at a lower power draw.

author: yo0
author_rank: Regular Contributor
timestamp: April 14, 2025, 10:45:57 pm
content: Thank you very muchBest regards

author: floobydust
author_rank: Super Contributor
timestamp: April 17, 2025, 09:23:18 pm
content: Yes you can use Hakko 950 tweezers with an FX-888 station.Same connector and pinout. The difference is the FX-8804 is rated 26VAC 65W but the 850 is 24VAC 50W.The FX-888 base puts out more power than the 936. So you would be overpowering the heater a little bit during warmup I think.edit: This comes from the fact that I own both (FX-888, 950 tweezers) and they work fine together.
IF Frequencies question - Page 1
Forum section: electronics / general

author: senmeis
author_rank: Newbie
timestamp: April 11, 2025, 01:22:10 pm
content: Hi,The data sheet of a SATCOM modem is shown athttps://gdpspace.com/wp-content/uploads/4433-Spec-Sheet_001.pdf.How can I understand the parameter “IF Frequencies: 70 MHz, tunable +/- 10 MHz”? Is the IF frequency range from 60 MHz to 80 MHz?

author: TimFox
author_rank: Super Contributor
timestamp: April 11, 2025, 04:17:19 pm
content: I believe so.As an option, the IF can be 720 +/- 70 MHzMy guess is that the IF tuning is to optimize "IF rejection" of the receiver if there is an interfering signal in the frequency range of the IF.

author: senmeis
author_rank: Newbie
timestamp: April 15, 2025, 12:51:53 pm
content: Thanks. Is it true this receiver is applicable for any rf band such as L, S, C, X or Ku, as long as the input IF applies?

author: ftg
author_rank: Frequent Contributor
timestamp: April 15, 2025, 01:04:20 pm
content: Quote from: senmeis on April 15, 2025, 12:51:53 pmIt seems to be just a modem, so as long as your LNC outputs 70MHz or 720MHz it does not care what band the actual RF is at.

author: senmeis
author_rank: Newbie
timestamp: April 16, 2025, 01:44:03 pm
content: Thank you.
[RESOLVED] BST 933 repair PCB of a welding station following a short circuit - Page 1
Forum section: electronics / general

author: lamoule74
author_rank: Contributor
timestamp: November 06, 2024, 04:16:21 pm
content: Hello everyone,I recently encountered an issue with my soldering station. I accidentally created a short circuit by placing the soldering tip on a live wire (220 V). Since then, the station isn’t holding temperature properly, although the LCD and other functions seem to be working fine.I started inspecting the board to identify potentially damaged components. After a few checks, I found several burnt resistors: R66, R68, and R40 (see pictures 1 and 2). I managed to find the resistor values by looking up photos of the board online: R66 and R68 are both 220 ohms (possibly 1/4 W?), and R40 is 300 ohms (0805).I’m wondering if there might be other components nearby that should also be checked, like the adjacent capacitor C55?While inspecting the entire board, I also noticed a slight anomaly on the STM32, pins top/left (see picture 3).If anyone has experience with this type of repair or can offer advice on how to test these components to confirm their condition, I would greatly appreciate the help.Thanks in advance for your support and advice!

author: u666sa
author_rank: Frequent Contributor
timestamp: November 06, 2024, 04:48:08 pm
content: According to datasheet, VDD_2VSS_2PA13PA12PA11PA10PA9PA8,are burnedhttps://static.chipdip.ru/lib/375/DOC030375482.pdfCan you get same MCU, desolder the old one, read a dump off of it, put the dump onto the new one, and solder it back, or perhaps use j-tag?Better yet, if you can find a dump for this station online, use that dump instead.I'd also check these mosfets and multiplexer, though I don't know how you would check the multiplexer, yet. Plus right in circuit check all resistances, if anything is too off, desolder and check. Check diodes. Electrolites desolder and check.

author: lamoule74
author_rank: Contributor
timestamp: November 12, 2024, 02:34:10 pm
content: Hi u666sa and thx for your reply,Quote from: u666sa on November 06, 2024, 04:48:08 pmI wasn't sure it was burned, sometimes they put some marker line to check something.But according to other google photos' comparisons of the same board, it is not marked.Quote from: u666sa on November 06, 2024, 04:48:08 pmI don't know how to find that, without firmware I can't change it...Quote from: u666sa on November 06, 2024, 04:48:08 pmOK for the mosfet, diodes, and resistor, but too much time for me to test the multiplexer,maybe just change it and see if it's working again ?

author: lamoule74
author_rank: Contributor
timestamp: April 10, 2025, 08:06:10 am
content: He everyone,by replacing R66, R67 and R68, the problem was solved;The iron seems to work properly again now.@u666sa for information, the pins weren't burned. It should be some marker lines...Is there any way to mark this topic closed/resolved ?Cheers.

author: Simmed
author_rank: Frequent Contributor
timestamp: April 10, 2025, 10:49:56 am
content: Quote from: lamoule74 on April 10, 2025, 08:06:10 amclick the "modify" at the first post and edit your title
Nice constant current dimmable DALI PSUs for my LEDs - Page 1
Forum section: electronics / general

author: BiggusDikkus
author_rank: Newbie
timestamp: April 02, 2025, 06:09:49 pm
content: Hi,besides Mean Well, Tridonic and TCI are there any really high quality constant current DALI equipped dimmable power supplies?It's always either high lowest possible dim setting (Mean Well) or really slow PWM (TCI) or some other problem...
Help diagnosing HAKKO FR802 hot air rework station - Page 1
Forum section: electronics / general

author: mapleLC
author_rank: Frequent Contributor
timestamp: March 30, 2025, 11:35:40 am
content: I have one of these throwing a S-E errorThe manual is attached and says to measure the value of the sensor being 0 ohms with no further instructions.Has anyone made this measurement that has some more detail as to where to measure?

author: itscoldoutside
author_rank: Contributor
timestamp: March 30, 2025, 04:16:31 pm
content: I have one of these, I think the issue is you're missing the plastic key that goes in the front of the unit? If you're missing the key you can put something else in there, you just have to cover the sensor to bypass it.

author: thm_w
author_rank: Super Contributor
timestamp: March 31, 2025, 09:14:38 pm
content: SE usually means sensor error on other hakko units:https://hakkousa.com/whats-new/commonerrorsandmeanings.htmlSo maybe there is a break in the thermocouple connection inside the handpiece.Take apart and measure the heater coil resistance, look for any broken nichrome (or whatever it is). The thermocouple will be right at the tip where the air exits.
Optical two-eye microscope for SMD assembly for imperial 0603 0402 and 0201 - Page 1
Forum section: electronics / general

author: Wilson__
author_rank: Frequent Contributor
timestamp: April 04, 2025, 02:26:58 pm
content: For hobby use, need to buy anoptical two-eye microscopeforSMD assemblyfor size at imperial 0603 0402 and 0201. Likely imperial 0402 will be the main application. imperial 0201 may be used i n small number of "tight area". A small number of components, like bigger capacitor, are imperial 0603 (or occasionally even bigger)1. Would it be good to get a continuouslyoptical zoomversion (instead of changing lens at fixed magnification range)2. What magnification fit imperial 0402 and 0201? Web searches show some at5 to 35 magnification. Good?3. Would10 inches, 250mmdistance from base to microscope a fair value for enough space for the PCB and human hand with soldering iron doing assembly?4. How aboutone or two horizontal "arm tubing"? Is "two arm" more stable, less vibration, for imperial 0402 and 0201 work?many thanks

author: thm_w
author_rank: Super Contributor
timestamp: April 04, 2025, 10:53:15 pm
content: These questions have been asked and answered in threads here.Zoom is worth the small increase in cost yes.5 to 35 is a bit high on the magnification, usually recommended is 3-25x.Two is more stable (heavy duty boom stand)https://www.eevblog.com/forum/reviews/more-on-soldering-microscopes/https://www.eevblog.com/forum/manufacture/smd-rework-microscope/https://www.eevblog.com/forum/testgear/suggestions-on-a-decent-electronics-microscope/

author: Wilson__
author_rank: Frequent Contributor
timestamp: April 05, 2025, 07:05:06 am
content: many thanks for clearing up decision for specification.
Interesting Electronics & Components - Any New Finds on Aliexpress lately? - Page 1
Forum section: electronics / general

author: 3dp
author_rank: Newbie
timestamp: March 23, 2025, 02:12:50 pm
content: With the Aliexpress Anniversary Sale happening this week, I’ve been browsing various stores there for inexpensive DIY electronics and useful tools that might be useful. Have you come across any cool new items or placed any interesting orders recently? I’m talking about things beyond the usual mainstream products like common Arduino boards or basic components.Have you found any exciting new measuring equipment, electronic components, DIY electronic modules, tools, or useful sets and kits of electronic parts?For example, I already ordered the things I attached pictures of:-USB C (3.0) cable tester for about 8€ (I had a USB 2.0 one before, but checking all the extra data lines on USB 3.0 cables with normal breakout boards is a bit tedious)-35MHz to 4.4GHz "spectrum analyzer" NWT4000 clone for about 35€-Wireless endoscope camera NE3 for about 4.5€ (mainly because I found this Githubhttps://github.com/haxko/NE3-Scope)-Ultrasonic levitation kit for about 4€

author: tunk
author_rank: Super Contributor
timestamp: March 23, 2025, 03:32:17 pm
content: GreatScott!@youtube has a series about "Hidden Gems on AliExpress".

author: JoanBS
author_rank: Contributor
timestamp: March 23, 2025, 03:40:59 pm
content: Yes, I specifically came across these very cheap (fake) op-amps that don't work:https://es.aliexpress.com/item/1005007017791756.html

author: thm_w
author_rank: Super Contributor
timestamp: March 24, 2025, 10:23:42 pm
content: The TinySA is about $40, how does that compare to this USB version?
Audio signal generator with different waveforms - Page 1
Forum section: electronics / general

author: acuatico
author_rank: Newbie
timestamp: March 22, 2025, 04:43:16 pm
content: Hello everyone.Here's a link to an online waveform generator, which you can use on your mobile phone. I sometimes find it very useful for making adjustments and checking low-frequency equipment without having to carry a waveform generator to the test site.The generator is online and completely free, and no registration is required. It generates signals from 1 Hz to 20 kHz and can produce square, triangle, sine, and sawtooth waves.Link to the site:https://audiogen.rf.gd/
LCD outdoor touch display (esp32) 5-10 inch - where to find? - Page 1
Forum section: electronics / general

author: Cvijo
author_rank: Contributor
timestamp: March 17, 2025, 11:58:39 pm
content: Hi everyone,I am not sure if I am putting this question into the correct section of the forum but does anyone know any LCD display that is for outside use (marine grade). Need it to be installed on the boat, so wet hands, rain, etc.I would like to control it with ESP32 (nothing special about the graphics, only some buttons to press.So far i am using CrowPanel display5in -https://www.elecrow.com/esp32-display-5-inch-hmi-display-rgb-tft-lcd-touch-screen-support-lvgl.html7in -https://www.elecrow.com/esp32-display-7-inch-hmi-display-rgb-tft-lcd-touch-screen-support-lvgl.htmlthey have integrated esp32 but doesn't have to be integrated, and they are not for outdoor useThank you

author: thm_w
author_rank: Super Contributor
timestamp: March 18, 2025, 10:07:58 pm
content: Budget? Its going to be hard to find unless you want to spend a reasonable amount, afaik.You can google IP67 touch LCD embedded (or IP66, whatever), and you'll find some results.You could take the existing crowpanel display, and seal it inside a waterproof enclosure. So the front glass will still be accessible.I've never seen touch panels work that well when it is raining directly on them though. So thats something for you to test.
240V/50Hz Aoyue Int2703A+ working fine on 207V/60Hz line - Page 1
Forum section: electronics / general

author: u666sa
author_rank: Frequent Contributor
timestamp: March 15, 2025, 10:29:17 pm
content: This is 220V station. But it works just fine in the U.S.. Outlet voltage is 208V 60Hz. Transformer suppose to output 24V and 10V. It outputs 22.3 volts and 9.7 volts. Station works. Solder iron is spot on. Heat gun is a bit off, 100C outputs 120C. 400C outputs 450C. I haven't tried the suction gun yet.Anyways. No need to purchase parts. The 220V version works just fine in the U.S. out of the box.

author: Gyro
author_rank: Super Contributor
timestamp: March 16, 2025, 12:14:00 pm
content: 208V is just within the 230V +/-10% spec of European mains and 50Hz transformers are happy to work at 60Hz too (the reverse isn't necessarily true), so you are absolutely fine.
STANNOL MULTIFIX 450-01 - the WORST flux gel I've ever used. - Page 1
Forum section: electronics / general

author: Nifty
author_rank: Contributor
timestamp: April 15, 2025, 10:53:01 am
content: I would like to share my negative experience of using STANNOL MULTIFIX 450-01 flux gel.I ran out of AMTECH NC-559 (genuine) and since it is difficult to order it in Europe now, I decided to see what is available from a local retailer.I bought a 10g syringe of STANNOL MULTIFIX 450-01 for about 26€.1. It is very thick, it is not only difficult to squeeze it out of the syringe, but also to apply it to the board (unless the board is already hot).2. It does not spread well, I had to use 3-4 times more flux than in the case of NC-559.3. When heated, there is a VERY strong smell of aromatic additives.4. When heated above 350 degrees, there is a lot of smoke.5. It is very difficult to wash off. IPA in an ultrasonic bath does not wash it off, even if the IPA is preheated. Brake cleaner did not help either. I had to use a toothbrush with hot IPA to remove the remains of this flux from the board.Without a doubt, this is the worst flux gel of all that I have tried.P.S.Before this, I mainly used AMTECH NC-559.I found a small syringe of CHIPQUIK SMD291NL flux, which I bought last year - I am using it now, so far the impressions are good.I returned an almost full syringe of STANNOL MULTIFIX 450-01 to the store. They did not return my money, but I did not expect it. In any case, there is no point in using it and I decided that at least let the store deal with the disposal.Today I bought EDSYN FL-22 flux in the same store. Have not tried it yet.
Metcal STSS-002 tips? - Page 1
Forum section: electronics / general

author: ledtester
author_rank: Super Contributor
timestamp: March 13, 2025, 10:20:26 pm
content: I just picked up a Metcal STSS-002 RFG 30. It came with a handle (STSS-RM2) and a (badly worn) STTC-14Z tip.I'm wondering which tips are compatible with this station and which would be a good one for general purpose use?

author: Someone
author_rank: Super Contributor
timestamp: March 14, 2025, 01:18:56 am
content: Quote from: ledtester on March 13, 2025, 10:20:26 pmSTTCgeneral purpose depends on your use case and preference, a 137 or 138 is a basic chisel which is what I see most people going with.

author: Smokey
author_rank: Super Contributor
timestamp: March 14, 2025, 03:37:30 am
content: My go to tip. 0402 is no problem.Metcal STTC-122Thermaltronics Cross reference M7CS152

author: thm_w
author_rank: Super Contributor
timestamp: March 14, 2025, 09:18:14 pm
content: https://www.amazon.com/s?k=thermaltronics+sttchttps://www.amazon.com/s?k=metcal+sttcLook for STTC-1xx for normal temperature.

author: Smokey
author_rank: Super Contributor
timestamp: March 14, 2025, 11:39:17 pm
content: A note on these STTC tips. They are primarily used in production environments. They also have a rated lifetime of x hours based on the tip. Both of these things mean that businesses usually swap out the tips at the end of their rated lifetime as preventative maintenance on their production lines..But. The tips usually last quite some time longer, especially if you don't have them on for 12 hour shifts at a time. So you can find them used on ebay for pretty cheap. Yes, it's a gamble, but I haven't gotten any used tips that didn't work and they usually last for a couple years of my usage.

author: thm_w
author_rank: Super Contributor
timestamp: March 14, 2025, 11:58:44 pm
content: Quote from: Smokey on March 14, 2025, 11:39:17 pmIts not worth your time when a new tip is $18 shipped. Only if you wanted some oddball shape.Or $11 each if you use T31 tips (fx1001 handle required).

author: Smokey
author_rank: Super Contributor
timestamp: March 15, 2025, 02:48:59 am
content: Quote from: thm_w on March 14, 2025, 11:58:44 pmThere are a lot of pretty useful "oddball shapes" like SO8, SO16, QFPx, etc that are nice to have like once a year maybe. Nice to pay $5 instead of $70 considering I will never run this long enough to kill it.https://store.metcal.com/en-us/shop/cartridges-tips/SMTC-010
Aixun T420D + Tweezer JBC AM120-A - Page 1
Forum section: electronics / general

author: flaspad
author_rank: Newbie
timestamp: June 24, 2023, 07:45:11 pm
content: Hi all, I was wondering since in some cases there is aixun compatibility with jbc if it was possible to use the jbc AM120-A tweezer on the Aixun T420D soldering station. Has anyone already tried it or is it not possible to make it work? I couldn't find anything about it on search.https://www.jbctools.com/am120-a-adjustable-micro-tweezers-product-1489.html

author: u666sa
author_rank: Frequent Contributor
timestamp: November 05, 2024, 05:35:05 pm
content: Quote from: flaspad on June 24, 2023, 07:45:11 pmI was wondering the same thing, since I'll be getting Aixun T420D (or T400 multistation if they release it in January/February). Did you find any answers on this?

author: thm_w
author_rank: Super Contributor
timestamp: November 05, 2024, 09:23:55 pm
content: Not compatible.I wouldn't spend this much on an aixun ever.

author: Alexan
author_rank: Contributor
timestamp: March 13, 2025, 09:41:26 pm
content: Yes, you can! To do this, you need to combine two channels and regulate the temperature in each channel.
no name brand shenzen market microscope via YouTuber “strange parts” - Page 1
Forum section: electronics / general

author: blatboy
author_rank: Unknown
timestamp: March 11, 2025, 05:09:12 pm
content: Greetings. I apologize if this microscope has already been covered. My basic searches here at EEVlog turned up eggs of geese, which is possibly on me. Feel free to school me if so.I saw in thisvideofrom “Strange Parts” via ahackaday articlean interesting cheap7-45X Continuous Zoom Stereo Trinocular Microscope with4K 1080P HDMI Digital Video Camera for Electronic Circuit Board SolderingMy use case is similar to his… I don’t have a huge amount of space and am a hobbyist. I do wear glasses. Curious if anyone has experience/opinions. The price is certainly right and I do have a hard time with latency hahah. Thanks so much.

author: shabaz
author_rank: Frequent Contributor
timestamp: March 11, 2025, 05:51:37 pm
content: Hi,For a lot of hobby use microscopes are overrated. Nevertheless, you could probably find a top brand used microscope via gumtree/craigslist etc for a lot less, although you might need to wait for something to appear. That's how I sourced my Japanese microscope, for about half that price.However, the microscope mostly gathers dust ever since I got an Optivisor head-mount magnifier.It's excellent for a real-time view while soldering (I use it for SMD too of course, no issue down to 0.5 mm pitch parts at least).For inspection, I reuse my photo camera, or use a little Carson magnifier (they are surprisingly good for the crazy-low price), or, more recently, I purchased a near-pocket-sized microscope, but I've not had an occasion to put that to serious use.

author: ZGoode
author_rank: Frequent Contributor
timestamp: March 11, 2025, 06:34:30 pm
content: If you use glasses, and will need them when using a microscope your best solution on the cheap could be one of those hdmi microscopes cheap on amazon. I just got a used mantis and its awesome since your face doesn't have to be right up to the eyepieces, if you can find one for a good deal maybe go that route?

author: blatboy
author_rank: Unknown
timestamp: March 11, 2025, 06:52:57 pm
content: I do have an optivisor… I think I may need a new one as it’s pretty beat up and missing one of the flip down lenses….These are great things to think about. Not seeing anything on Craig’s list as of yet, but in theory I’m not in a hurry. I think you guys just saved me from an impulse buy and I appreciate it hahah.I have one large SMD repair job that has been dogging me for a while and I probably need more knowledge as opposed to more gear.
Mechanics HT-10 heating table - Page 1
Forum section: electronics / general

author: Veketti
author_rank: Regular Contributor
timestamp: March 09, 2025, 03:41:20 pm
content: So it’s another gadget from AE. Hot plate Mechanic HT-10, which is 100x100mm, max temperature 320°C and 260W. Bought this from AE official Mechanic factory store so should be original. First impressions were that the aluminum heat table was quite rough finish as well bit warped. Unfortunately, I didn’t take picture of it when it arrived. So, I decided to straighten it and smoothen the surface. Glued 120 grit sandpaper to surface plate and lots of elbow grease. Didn’t have enough patience to completely flatten it so you can see small area at the picture “HT-10.jpeg” slightly right from centerline on top that is still bit rough. Otherwise, the built quality looks good.Display has two values, on top actual temperature and bottom set value. Haven’t opened it yet, but I hear relay clicking so no SSR or PMW control on this one. Measured accuracy with probe and it seems to be roughly 20 degrees below what the display shows. Hopefully it has some sort of pot to adjust it somewhat correct value. I’m not sure though how accurate this method is due to very small contact area. I had to set the temp to 230°C to remove BGA IC from PCB so that would also support the fact that it shows low.Wiring seems to be beefy for 260W and properly heat insulated with silicone insulators. There is 20mm air gap between the box and the table.

author: thm_w
author_rank: Super Contributor
timestamp: March 10, 2025, 09:25:28 pm
content: How not even are we talking here, massively warped? Or not enough to matter for a PCB (<0.2mm)?
New Duracell 312 hearing aid batteries with low voltage - Page 1
Forum section: electronics / general

author: Peter_O
author_rank: Frequent Contributor
timestamp: March 07, 2025, 11:26:33 am
content: Problem solved by BradC:https://www.eevblog.com/forum/reviews/new-duracell-312-hearing-aid-batteries-with-low-voltage/msg5840697/#msg5840697Zink air batteries need air to develop the full cell voltage.==============================================For my mum I regularly buy Duracell 312 hearing aid batteries.They seem to be produced by Varta now.The print on the plastic trays (for 6 batteries) has changed.They are 1.45 V nominal.But I'm measuring 1.05 to 1.1V with my Siglent DVM.I suspected, it might be some forgery product and get another 60-pack from another shop.Same 'new' print. Same low voltage.Any hint or experience?

author: BradC
author_rank: Super Contributor
timestamp: March 07, 2025, 11:29:38 am
content: Quote from: Peter_O on March 07, 2025, 11:26:33 amTake the tab off. They are zinc-air batteries and won't actually develop the chemistry until they are exposed to air. It's really a one shot thing though, so you take the tab of 10 mins before you shove them in the hearing aid and they last a couple of days.

author: Peter_O
author_rank: Frequent Contributor
timestamp: March 07, 2025, 12:01:55 pm
content: Now it's 1.44VThx a lot, BradC!...for closing my educational gap.
Hakko FR-810B hot air station, good choice? - Page 1
Forum section: electronics / general

author: RiRaRi
author_rank: Regular Contributor
timestamp: March 10, 2025, 04:30:02 pm
content: Hello. I got offered Hako FR-810B for 200 EUR with 600W heating element. Is this good choice of hot air or better to buy something else for similar money. For example everyone seems to like Quick or Atten for around 300 EUR. Thanks

author: thm_w
author_rank: Super Contributor
timestamp: March 10, 2025, 09:23:16 pm
content: In terms of is it a good price for 200EUR, yeah not bad.But you can spend the same and get better performance elsewhere (Quick, Atten, etc.). Rossman used to use it.https://www.amazon.ca/Hakko-FR810B-05-SMD-Rework-Station/dp/B01GESLB1I#customerReviews
Aifen A9 Plus (not A9 or A9 Pro) - Page 1
Forum section: electronics / general

author: Electro Fan
author_rank: Super Contributor
timestamp: February 28, 2025, 01:39:28 am
content: This is an Aifen A9 Plus. Not sure what the difference is between this and Sugon but this is apparently a newer version of what might have been an A9 Pro.https://www.ebay.com/itm/276829488592The A9 Pro indicated it was compatible with JBC cartridges; it wasn’t clear whether the A9 Pro is also compatible with JBC handles.Ideally it would be nice to have a clone that is compatible with both the JBC cartridges and the handles but maybe it’s sufficient to be able to use the JBC cartridges.Saw this from thm_w:https://www.eevblog.com/forum/reviews/aife-a9-is-it-safe/Maybe the A9 Plus is earth grounded?The A9 Plus looks potentially attractive as a newer / next gen model.At $129.99 plus $9.99 shipping is tempting. Just need a little more info…Any comments welcome. Thx

author: thm_w
author_rank: Super Contributor
timestamp: February 28, 2025, 02:02:31 am
content: You can see in the youtube comments that it is grounded, so thats fixed, though not amazingly well:QuoteI would assume the Plus has also fixed the issue where T210 and T115 handpieces would just glow red hot, since those handles are shown in the video.All of these stations work with JBC handles.

author: Electro Fan
author_rank: Super Contributor
timestamp: February 28, 2025, 02:46:00 am
content: Quote from: thm_w on February 28, 2025, 02:02:31 amSo the customers get a good price in return for doing unit by unit quality control?Seriously, sounds like the wire gauge and resistor need to be inspected and maybe upgraded?But other than that the A9 Plus might be ready to go?It is somewhere between frustrating and surprising that the manufacturers have such a hard time incorporating user feedback into their products for such basic things. On the upside the A9 Plus UI looks like it might cause JBC to take notice and maybe make some upgrades of their own.

author: thikone
author_rank: Contributor
timestamp: February 28, 2025, 08:59:42 pm
content: Quote from: thm_w on February 28, 2025, 02:02:31 amDo you know by chance what is the name or type of the connector on the end of JBC handle?

author: thm_w
author_rank: Super Contributor
timestamp: February 28, 2025, 11:23:06 pm
content: Quote from: thikone on February 28, 2025, 08:59:42 pmRPC1-12P-6Shttps://www.mouser.ca/ProductDetail/Hirose-Connector/RPC1-12P-6S72https://www.eevblog.com/forum/projects/jbc-handle-cartridge-data/They also have clones:https://www.aliexpress.com/item/1005002522875446.htmlThough a whole handle is about the same price.

author: Worf_RB
author_rank: Newbie
timestamp: March 01, 2025, 02:39:13 am
content: I'm also interested in the "faster temperature recovery" feature. Definitely needs more info.