Big Wifi Chip soldering - Segger RS9113
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- Опубліковано 8 вер 2024
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Really amazing to witness you stepping way out of your comfort zone into the world of macroscopic soldering...
😂😂😂
Tremendous hahaha :D
As on a daily basis of using those modules (called as SoC System on Chip), i would have done a bit differently. Remove all the pins and keep the breakout board on a reflow hot plate. Use tweezers and remove like you did. Clean the solder and use solder paste and reflow it using hot plate. In any case, you did an awesome job. I theoretically knew it is possible with hot air rework station but too scared to attempt your way. It's the most riskiest and often causes bridges or shifting of topmost board.
This is not a SOC. SOCs are singular chips like any ARM SOC (Smartphone "CPU") or Intel Quark; this is on the other hand is a SOM, i.e. System on Module, as it has multiple chips (Wifi, PMIC, etc.) and other components (Rs, Cs & Ls) on there as well.
The whole module is (by Alex) then soldered on a carrier board making it an pinheader add-on board for whatever solution (e.g. Raspberry Pi). You can call that a module as well, if you like.
These SOMs are (somewhat) a pain when put through reflow oven, because components, especially BGA ones have temperature curves and allowed amounts of reheating among other things like solder paste film thickness.
Sorry being nitpicky but I work with both on a daily basis.
Alex you are an inspiration. Love your videos, going through them all. I wonder what my grandad would have made of modern electronics, he used to fix radios and TV’s in the 1940’s with valves which he used to buy from old wartime radar equipment shops in London. I’m watching and learning so I can fix my own electronics to stop sending electronics to landfill. Hope you see this on an old video of yours but I had to make a comment after seeing you do a repair on a very difficult board. All the best from the UK❤
I can really hear that you love your work, every repair and video is so satisfying to watch. Everyone should work like this, and be proud of the work that they do!
When I have to remove a large device like this with accessible pins I always flow low melt solder into all of the pins around the perimeter of the device. Although you still have to apply heat to release the hidden grounding pads the job is much easier
I think heating from the bottom vould have worked. Those legs are super easy to get replacements and install if necessary, and on many of them the plastic grommets can come off fairly easy as well. Either way, you got it done and it looks perfect. Love watching you work
I almost confused the 2 types of joints…
I’m happy you’re in the habit of the soldering joint and not the other.
Yet, you Seam always high, laid back, joyful, pleasant, in good spirits, sharp, equanimous, exuberant etc.
It’s an honour to spot a spirit like yours.
Now the only soldering i really do is for building FPV drones and RC planes but I keep learning techniques that apply to even the big stuff I do. Thank you for also showing difficult stuff like this.
NorthridgeFix: When I was in my early 20s I worked for a while chipping XBOX/PS2's. Now I'm 39 and I'm watching you do your magic for relaxation :)
Needless to say, your content is amazing. Thank you!
Great job Alex as always very professional and practical
Those kind of WiFi-chips are usually a whole mini-computer in a single package... it contains a tiny CPU, some RAM, some flash memory, and the actual WiFi module. Chips like these are used on IoT devices like smart light bulbs. The "Mainboard" the chip is soldered to is likely either a developer-board for creating your own WiFi-controlled smart device, or it sockets into whatever device is being controlled by this module. This must be a very special module for a repair to be economic, usually these kind of modules are very cheap
All true. And it is astonishing how many megabytes of RAM or Flash memory some of these modules cram in such a tiny space.
Mashallah, a true master in his work. May God bless you with more success
This is coming from an old guy that has built everything from bicycles to ships. You have a nice touch sir and I have really enjoyed learning from you.
Nice repair way more patience then I guess I need to work on that. I have switched over to the amtec 559 flux. I use to use the dispenser pens but the newest LF formulation sucks, must be water soluble. Thanks for the tips
You make it look easy Alex! Great repair!
It´s amazing to see your experience working ! Excellent job !
Thank u Alex for taking ur time and making these awesome videos.
Simply Master of masters!!! Thank you for the time you spent sharing your knowledge.....
You are a drug dealer Alex and I'm addicted to your videos and how you do your work!
Your are simply a magician man!
We send our love to you from
🇮🇷🇮🇷🇮🇷TEHRAN IRAN🇮🇷🇮🇷🇮🇷
Hope you and your beautiful family stay healthy for ever...
Ps. Say hi and good dancing to big boss!
I just see his dance with Michael Jackson music and such beautiful smile on your face man!
great job i love soldering too :-) i quit smoking 6 months ago and am loving it and not looking back
Jon Stewart does it again!
You should've applied low melt solder i guess to pull that chip easily. Again great videos as alwyas Alex
Lovely job Alex
Man, the know-it-all scientist are active and coming out of the woodwork in this joint today!
I just found your channel. Very enjoyable watching you repairing electronics. You really do have to have some skill to do this type of job.
You don't need to smoke when you work all days with soldering 🤣✌️
Wouldn't it have been easier to desolder the pins to heat it up from the bottom ? Assuming you had a way to mount it of course
Exactly what i would have done
10:54 That was truly satisfying 😍😍😊
Your works are just smooth like BUTTER
That kind of module is a PCB with "castellated pads" - It contains a lot of circuitry, not only a chip.
great job alex weather its small or big you nailed it
Perfect job !
Alex This shows the power of your soldering iron…this is a drone motherboard i repaired them alot as they fell alot and can me damage easily….i use 200Watt soldering iron specially for this job as my tiny C210 soldering iron does not work on this thick pcb.
I have small c210 and a t12 station for bigger fatter tips
Weller WX series
200W? You don't need that much, it's all about heat transfer capability of your tip.
@@filips7158 if pcb is thick then u need more watts because higher temperature destroy the tip very fast and the pads aswell (higher temp is used for touchup only )…if you see Alex soldering iron the tip is always shining…
@@joshuabest100 c210 is very good for iphone and specially for micro jumpers…for big pcb i use handskit 200w iron 🤓
Alex Enjoying his work 👍
Very nice job.
Thanks
Amazing videos love your channel.
Maybe think of creating a course online to teach soldering, how to solder? Flux or solder or both? Ways to solder and smb too.
Teach how to check components how to measure and so on you know everything you need to know to start doing things like that
Thanks for your time to making videos for us
That's 100% gonna bounce back
Remove connectors...and underheat...hehehe...
Love your cannel!
peas of art i enjoy the amazing work
Ohhhh how satisfying. Very very satisfaying. Your skills are really amazing. I love to see you working on that special stuff. Very very nice work, good video. Greets
Big love of your work froum algeria 🇩🇿
I would love to see a live stream camera of the shop. Just to drop in and watch live repairs.
Beautiful job!
you could use a pair of cotton swab sticks like chop sticks to hold the chip. being careful of coarse but its something that would make it easier to move the chip
The board is called a "Daughter" board. It fixes to the motherboard. What I do is heat the underside of the motherboard with your IR heater and then apply extra heat to remove the daughter board.
Looks like an raspPI
@@CrAzZyTheCodingBoss it's says so right on the PCB what it's for (some RTOS soultion) not RaspPi compatible.
That plastic on the backside headers pulls straight off.
Amazing job Alex ! I watched it again lol
19:58 I've enjoyed that part...... Your're Amazing bro....Take my Love from Bangladesh.
I am sure you can get two of those modules new for less than a profecinals charge to replace the chip.
I stand corrected. Them are pricy
Elegant precision.
good job mate.
A wifi/bt/ZigBee module! Interesting product!
Well the first time I've ever heard someone didn't have big enough tweezers even though I'm not a computer board guy or micro solder sounds like you need bigger pliers LOL so yes I do know how to do electronics I just don't need microscopes LOL
Excellent job n very satisfying.
Alex, your solder wick sucks! And I mean that in a really good way. Love the stuff!😀
Too much solder on the pads underneath. I also would have not reflowed the outer pins and just soldered them individually like you ended up doing. You can also solder a few edge points before you reflow to keep the board aligned.
Very good job as always.
That thing was so big we could almost call it a welding job!
Hi from Portugal, I really love your videos, keep the great work! can I ask what type of paper/cloth you use at the end to clean the flux? I saw it on a bunch of your videos but never actually found any reference to it. Best regards
For huge chips I use a pair of sklar medical curved forcep, tbh I have two size for up tp 4+ cm of opening and grabbing ... Precious tools
Challenging job done well
Great that despite all those years Alex hasn't developed a "chip on his shoulder"
5:29 390 °C is NOT low heat. It is way above what any datasheet recommends for reflow soldering. But I gotta admit it's a nasty footprint, maybe better suited for solder paste
soooo satisfying 😍
As always, an amazing job & video! Thank you! Now you have a subscriber more :)
I thought he would go straight to using low melt solder since it is so big with small components near by and plastic.
10 minutes in; remove the lead free solder! Add leaded solder.
Great work Alex! .. how you make sure that no bridges are formed under the chip?
wow .. just wow all i can say .. great work
Nothing like a challenge to sharpen your skills and I would like to know how do you know the solder doesn’t bridge underneath the chip?
I am wondering the same. Also I would have used a little bit less solder for those underneath pads. When the solder blob came out at the side, I would've been scared enough to re-do the whole thing a second time.
On the underside of this chip, it's fine if the solder bridges -- those pads are all connected (bridged) anyway.
Alex, why not remove the simple header beforehand? Heating from the bottom seems to be the way to go fopr me. But I'm an amateur... Thank you! All the best, Job
Challengers are always good.
That was intense... mega skills
Fun fact, if you go below 1.0 to 0.5 or anything less than 1 then its focal reduction, if you do more than 1 then its barlow lens
How can you be so sure that the pads underneath the chip are not shorted out by solder melt?
they all connect as one, so you can't short them. he tests at the beginning of the video
They are all ground. You can make bridges, no problem.
Awesome job 👍
I love to see this kind of soldering! But, aren't you worried that, if a blob of solder comes out from under the board, the contact patches under the board are bridged?
Came in for Wi-Fi module replacement
Stayed for the joint jokes
Hello sir , I like when you post videos mid day I know it takes a lot work just to edit and upload but I’m 4 time zones from you ! and I will have to wait till like 1am just waiting for post ? Best of wishes and May these repairs come east for you
That looks like some sort of devkit/prototyping hardware.
Ah yeah, its prototyping/devkit gear. The wifi daughter board with the castillations is probably fcc tested/certified the rest of the board is dev/prototype. Looking into the names on thr silkscreen its some innawoods cellular/satellite hotspot.
Tack down the pcb with an iron, using the castillated pads to align and hold it in place, use a hotplate or hot air on the rerverse side of the main board to reflow that big ground+heatsinking pad
Still halfway through the video, why don’t you use low melt solder on the castellated pins + hot air to the thermal pads?
Love this channel..great content..
Nice video👍🏻
Smoke solder every day!
working ur magic.....Great video
Very nice sir🤓
well done well done well done well 👌👌👌👍👍👍
awesome
Awesome video!
The only question that I have is how do you know that there's no bridges under the chip?
That is my biggest concern.
Thanks
In this case all the bottom BGA blobs connect to a single pad - remember the continuity test earlier?
So thats ONE thing less to worry about - but I DO need to watch quite a few of these before trying it myself!!
16:20 better thing than solid moment
square pads are all ground
Your joints are better than factory. My joints you can't find in any factory...
This seems to be an esp32 microcontroller or maybe something like it?
This is a module that normally mount at SMT, but for hand soldering, it's a nightmare.
This dude: better than factory
Me: *yes*
solder joint
soldier joint
i smoke weed since i have 16years im now at 42
it completly changed my Little ADHD Life
i can stop smoking , but when i do it , both my hands become full of thumbs , i do car crashes , and loose everything in one single day
have a nice day from quebec canada
Really amazing job bro keep rocking bro 👍👍👍
did you hear anything from the customer about if it is working? so curious about that...
Nice
nice Vedio ☮️👍