VESC (Best Open Source ESC) || DIY or Buy
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- Опубликовано: 20 авг 2024
- Prototype quality PCB ($2) & Stencil ($7) : jlcpcb.com
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You can get a VESC here: (affiliate link):
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Useful websites which were shown in the video:
vedder.se/2015/...
vesc-project.com/
www.electric-sk...
In this episode of DIY or Buy we will have a closer look at the VESC which is probably the best open source ESC. Along the way we will have a look at its amazing features and try to build our own in order to find out whether DIYing the circuit is cheaper.
Thanks to JLCPCB for sponsoring this video
Visit jlcpcb.com to get professional PCBs for low prices
Music:
2011 Lookalike by Bartlebeats
Killing Time, Kevin MacLeod
(incompetech.com)
C15 and C38 around the crystal should have the same value (18p), they have however a different color in your video. C15 looks surprisingly like C32 (that should be 100nF), so C15 is likely wrong. They are responsible for the oscillator. Please check and replace these components, they will likely fix your problem.
I wonder if that worked for him...
Dude, nice find!
Yeah, unfortunally scott's soldering isn't that great...
@@samuellourenco1050 yeah.. and also lots of cold joints, voultar would cringe watching this video
@@geovani60624 i saw alot of cold solder
Loved your video, but I do have a bit of a recommendation. After working on some complicated SMD circuits, I decided I was tired of hand soldering, and moved towards DIY reflow. I ended up getting 2 solid state relays and used them to drive a 2 element toaster oven with an arduino for temperature profiles. After a bit of programming, everything worked flawlessly. Now I just order stencils along with the PCB's, spread the paste over the board, stick the components on, and bam, perfect boards every time. I would love to see your take on a DIY reflow oven, and it would also help to improve the quality and quantity of boards you can produce. Anyways, keep up the great work!
good to know! ty.
Nice work. Will it heat pop tarts still?
Hey would you mind recommending what type of heating element to use ??
I have ordered an LQFP-144 ic
and honestly getting nervous as the delivery date is approaching
@@TheAnimeist No. An oven used for soldering or other chemical processes can never be used for food.
@@user2C47 What if I wanted to poison someone with a cooked pop tart? 😀
Maybe if you make/buy an SMD to breadboard adaptor for the uC and program it before soldering it. Place it on a breadbaord, add the oscillator and everything, and program it, At least you know that is not the uC with the problem.
Great video and pretty complicate proejct!
Electronoobs how in the hell is this comment posted 1 day ago??!!
RUclips red?
Jan Daniel Javier he is a patreon supporter
Patreon supporters pay to support the channel and noobs is a patron as am I
I think only problem is time who will spend more than 10 hours of prototyping and soldering process.. just to save 30 dollars.
Hat's of to your patience!! Right from understanding, finding, ordering and waiting to actually soldering a complex to debug circuit !! Thanks to this series, we have a reference for what's it's actually like to DIY a said thing... Love this series. Good work Scott.
Thanks mate :-)
What I love about your channel is that you make videos to beginners but to me as an electronics engineer, is always nice to see your approach to the solution of HW problems. You're doing great!
If you are going to do many projects like this, do get:
Flux (helps in getting the tin to behave)
A wedge tip for the iron (easier handling, can be laid flat aginst chips/solder wicks)
If it's not, get a temprature regulated one (any from china should do)
I agree on your conclusion, and JCL got a PCB assembly service that would likely be of great help.
By just getting the tiny (resistors & capacitors) stuff out of the way should help a lot, even if you have to place some few parts yourself.
I would definitely recommend you using a much smaller solder.
I use 0.5mm solder for pretty everything, and occasionally used 0.3mm on really small SMD, but if you add extra flux then it makes all soldering much easier and tidier.
(so I haven't needed to use anything smaller than 0.5mm for years.)
Also, try a small "chisel" tip on the iron, say around 2-3mm wide.
The sharp corners of the chisel can be used to solder very small joints like SOIC and QFP pins, while still having the larger surface area of the whole tip for through-hole joints etc.
For both uses, you should get far better thermal contact, plus the flat tip will retain a nice level amount of solder rather than a big blob.
Again though, and I can't stress how much this helps, but - FLUX! :p
I realise there is flux in the core of almost any electronics solder, but a good no-clean liquid (or paste) flux is invaluable, especially for SMD.
(Maybe not quite as much flux as Sir Louis of Rossmann uses, but hey, he's an awesome solderer, so I can't really complain there. lol)
6:56
You should never need to "paint on" the solder like that if the pin / pad is sufficiently heated by the iron first.
If you heat both the component and pad for a bit less than 1 second (with the iron touching both at once), then feed in a tiny amount of solder to where the pin / pad / iron meet, it should just flow nicely.
If you notice that it's not quite enough solder, you can just add a bit more while still holding the iron in place.
Trying to move around the solder around on the board too much, dropping / painting the already-molten blob from the iron, or just heating the solder for more than about 2-3 seconds will tend to "boil off" most of the flux, and prevent the solder from flowing / sticking properly.
Hope this comes across as constructive only.
I'm not the best solderer in the World by any means, nor officially qualified, but I do think these few suggestions will help immensely. ;)
One of the main things though - that solder looks HUGE. hehe
It must be at least 0.7mm, maybe even 1mm?
Try 0.5mm, and stick with it for a while when soldering SMD stuff.
Even for through-hole, it's not so thin that you're constantly feeding in more solder, and it gives far greater control over the amount.
Here's a superb video on SMD soldering techniques...
(it may look like he's using a bevelled tip here, but it actually has a slight flat on each side. Either way, I would still recommend a 2, 2.5, or maybe 3mm chisel tip. It masks life a whole lot easier. :p )
ruclips.net/video/3NN7UGWYmBY/видео.html
Very good information
Thank you very much
Hey Scott, in order to solder the LQFP package as you did, use some liquid flux. Spread it on the pins and use some solder wire on the iron tip to individually solder the pins. It is very effective. I had tried the solder paste method at first but it caused shorting of various pins.
Humility is cheaper than the lesson. Thanks for trying!
ruclips.net/video/rvhkNlh1YuE/видео.html
@@manpreet6311 don't click the link. It's Just spam
@@Casperdroid5 it isnt spam bro . I am not promoting anyone. You can check by clicking it
you are one of the best youtubers that do real projects for education and not only for views thank you
I appreciate seeing the failures as well as the successes. Good for you.
Good video and attempt! Ignore the internet couch pros here who are all trying to point out mistakes. I REALLY appreciate your willingness to show how it actually went, rather than editing it to show only the most perfect solder joints and successes. Thank you
I think you would have had much better luck if you used copious amounts of a good organic water soluble flux, and solder with water soluble flux core. It cleans up very easily with a small amount of soap and hot water.
It looked to me like you didn't use any flux except for what was in the solder, this is why you had trouble soldering the close pitch SMD chips. Here flux is your friend, I drag solder those fine pitch ICs all the time it's fairly easy with a lot of flux, and a little technique.
If you want to you can send me one of those that you didn't get working, and I'll troubleshoot it for you.
Have a great day, and thanks for the great videos.
Glenn
Any Amazon link recommendation for flux?
I’m glad you tried with two boards, I wouldn’t have thought to do that! I really appreciate your openness, even when things don’t go according to plan. Keep up the great work!!
If you want to go at this lvl of electronics you should order soldering stencils. Apply solderpaste to the entire board and reflow cook it in your oven. You can beef up the Mosfets soldering later on if you need to.
I appreciate your "DIY or Buy" series. This one looks costly for you, but I hope you know that we appreciate your efforts.
Check your C15 cap next to the crystal. It looks darker. Darker ones are usually in nano or micro Farad. Thats way to much for a crystal to start swinging. That seems to have wrong value if connected to crystal pin. The other cap is brighter. Thats ususlly pico farad and may be ok for crystals, but depends on crystal and its load capability.
Thanks for trying, your channel is awesome!! One clue I've learned by pain: don't solder everything, do it block by block, if you know what I mean. Place each part, test, then build another block. That save a lot of time and money!
It's projects like this that make me want to stay away from any electronic project that has to interface with a computer. It's both a good and bad thing to be biased against such projects that have such a high chance of just not working for reasons that cannot be seen and that can cause a project to fail. I say it's good because I am learning much more basic analog circuitry, I'm at the point where I have designed a schematic for a BLDC motor driver that doesn't use a microprocessor or even a semi-complex IC. Your videos motivated me to learn to do things differently, because it seems like every project you make utilizes an arduino and programming and I have neither an arduino or programming knowledge and I wanted to see you break away from the easiest (and honestly most efficient) way of making your projects just work. I wanted to see you go farther, deeper into the math and the datasheets to design analog circuits to make a project without a single line of code or microprocessor or complex chip. Thanks to your videos I have now completed a first schematic for my own extremely basic motor driver featuring 12 transistors, 6 N channel mosfets, 6 generic diodes, 6 capacitors, 6 zener diodes, and 36 resistors and I will be attempting to assemble a prototype based on what I have learned.
I know you probably won't take project ideas especially from the comments of a video that is over three years old, but if you are interested in seeing more of my learning process I would love to share it with you. I'll probably send it to you on patreon if the prototype works at all.
Thank you for creating these awesome videos, you are an inspiration to us all.
Respect for even trying to build the board, I don't think I would be that brave :) And for posting your struggle...
Keep up the great channel!
Should have had a stencil made using the top paste gerber layer, you had the solder paste for it. Also that hot air gun action might not have done some of the components too well either.
Alucard Pawpad Yeah, I’ve had a few inductors go open circuit from using a soldering iron on them.
Please don't give up on this project.i really want to see it work
Thank you for this, I have been watching the VESC project for quite a long time. Unsure if I wanted to build this or buy. You have definitely answered that question. Kudos to you.
I think he deserves a like for his hard work
the rule is: if it is sold ready made, buy it. It is very, very rare that it is worth it to make it your own. Exception is when you want to make it yourself just to make it yourself. Thank you for your time and efforts :)
Add MORE flux!!! It will be much easier to solder those smd components, they will flow nicely and won't bridge/short as easily too.
Also you need to program the chips before it will be recognized...
If you failed.... well, that can’t be good news for everyone else! At least you’re honest about the whole process, some people don’t like to admit their failures. This video shows a lot of maturity....and yet, it’s also kind of the way you’ve always done things. Which is awesome btw. Stay awesomer 👏😁
@GreatScott! Thank you for yet another excellent DIY or BUY video. Thanks for taking one for the team too! With so many components to solder it's definitely a BUY for me, even though I solder really well. 😋
Very applicable "DIY or Buy" episode for most hobbyists!
I’d love to see a DIY or BUY segment on a multi-battery automatic capacity checker - for someone who had a bunch of 18650s they need to check, but don’t have the time to actively run tests many times.
Ideally something that you can place several 18650s in and it will individually charge and discharge as needed to get the final charge capacity in mAH.
I would suggest ordering a smt stencil when making several boards. Costs about 6$ at JLC and saves a lot of headache and combined with a hot air/oven soldering pretty much guarantees nice and working boards. Lazy as I am (or willing to pay to save time) I also order the boards as panels (another 6$) so I can apply the soldering paste to all the boards in one go. Thank you for the time you spend on making these videos so perfect and interesting!
I'm so glad you've shown this as a "failed" project. I bet you were furious with it though!
I watched to many videos today.My head hurts,but your video was worth it!
have you tried some isopropanol and a toothbrush? it seems like you have a lot of spent flux there!
Yes. For the repair I cleaned the PCB quite a bit. Did not help though.
would you do a troubleshooting video? it would be really interesting! i am thinking about building my own esc for a while, i want to make a super beefy power output maybe with parallel mosfets and active coolling, for a really large bldc. Btw another cool diy or buy video would be a stereo amplifier! (class a/b, maybe? :)
GreatScott! I too have soldered the VESC on my own. The 10uF caps were really a problem so I got myself 4.7uF and soldered 2 on top of each other. Has the same effect. On mouser they have other MOSFETs with +0.2mOhm more rds on so I got these. Soldering took me 3 days since I could only solder in class since I don't own a soldering station. My first power on was horrible too. The VESC wasn't drawing any amps. Troubleshooting took about 2 weeks. I broke the MCU while measuring the voltage on the voltage regulator. Had to resolder it. I managed to programm the new MCU but the VESC wasn't working, so I thought it would be due to the unsoldered Drv ground pad. So I got a new chip. Resoldering the new one, the VESC wasn't working. After some time i desoldered the capacitor that is on the output of the buck converter and found out the the cap was broken. After that everything worked just fine. All this took some time but I had to get it going since it was my Abitur project.
But the one VESC that isn't working, are you sure you soldered the groundpad? Are the voltages all right? Get KiKad and open the pcb file, with that you can see all the traces and perhaps find the error. Perhaps a pad of the MCU isn't soldered right. Troubleshooting my VESC made me examine every inch of it till i found that faulty capacitor.
7:35 you need learn more
How to repair bridge and excess solder > watch?v=OaBRak0HnQs
+Faza Indriani
It's easier to use full links...
ruclips.net/video/OaBRak0HnQs/видео.html
You should practice soldering more, this way you can avoid such a hassle. Just pretin the pads, put the component on with tweezers and hold it while heating it up with the heat gun. Works perfectly fine. Don't forget flux of course.
I love these esc's, they're fecking great in higher end combat robotics
Why use soldering iron when you have hot air soldering station?
Wow, I was really rooting for the DIY method. It makes sense, though.
This is probably my fav DIY or buy ep, coz you had to go out and order all the parts, it will make me reconsider my on DIY or buy choices in future :D
The best method I have found with soldering SMD components is to use a paper stencil to apply the solder paste onto the pads. It has worked great for me every time and the results look perfect! To cut out the stencil I use a laser cutter at my school, but you can get a small laser for around $100 and attach it to your 3D printer, which would also be a great video!
maybe try again with solder paste , a stencil and a reflow (toaster) oven?
that also gives me an idea for a video, DIY reflow oven with stuff that the pro ones have like ramp up and down times
maybe an arduino with some mosfets to make a timer and dimmer circuit?
The way you solder the SMD ICs is to float the pins with heaps of solder, then tilt the board and flow the soldering irons along the pins and the big mass of solder will flow with the iron tip until the last pin. it'll look like factory soldering. take it from a guy who used to work oir Radio Shack repair centers for many years and this was my trick until board were simply replaceable many many years ago
the biggest hint for SMD soldering: USE MORE FLUX!
things should flow in place by themselves mostly.
Hello from Cuba, in my univercity we love your videos.
Awesome. Thanks for watching.
It's quite sad that you spent so much money and nothing worked. I thought about building that vesc too, but now i see that it is too complicated, thanks for the lesson, keep going with the channel!
Although both controllers did not work, belive me it is a great job!
Thank you for this video. I have been considering building my own ESC for more powerful BLDC motors. But seeing your experience made me change my mind
I also build a vesc from scratch and had some problems with the USB as well. I commented out some code and then it worked, if some failure occurs before usb is initiliazed you don't get usb. In my case, i didn't connect the battery power which caused the problem. Also, if you're on linux you can check with lsusb or dmesg what happened when you plugged in the VESC. If you get a usb device but no com-port / ttyAMC0, it probably means theres a problem with the software or some other failure that inhibts the initialization of usb. If you can still flash the uC, and the two capacitors and oscillator are functional, it probably means the issue lies with your computer. Hope that helps.
Hey Sccott, you should have asked for stencil along with PCBs. It would have been easier to apply the right amount of solder when using heat gun.
I do PCB design and bringup. You’ll have a much easier time with a microscope, quality tweezers, smaller solder, a flux pen and a quality iron with a micro tip. Everything on this board can be done without reflow. You really have to take your time under a microscope and make everything perfect for this to be worth it. Also that 3 hour time estimate is mighty conservative!
A simple tip before first powering up any new circuit, first measure resistance between ground and Vcc! If you have lets say 2 Ohm you know it will release the magic smoke if you power it up without current limitation.
Love all the comments about the soldering. Unless it's a short or a bad joint somewhere I doubt the soldering is the problem. More likely the MCU isn't running because the oscillator isn't running. I'm not sure what all these people think throwing a bucket of flux over it is going to achieve.
It was fun to watch you having discovered the vesc :) Welcome to potential pain, and potential high reward :) Careful configuring that thing. You can make it self destruct through misconfiguration. I had to replace the mosfet driver once as a result of my own stupidity. Current limit while testing, that's my best advice. But at some point you also have to let the motor controller profile your motor for FOC. Thar be dragons, depending on how large you go lol. Benjamin Vedder did an amazing job. Love that guy so much for designing and sharing this very complete system.
I made a simple reflow oven from an old toaster/convection oven. SMD parts are actually way easier than through hole if you do them this way.
Just a suggestion.
I really enjoyed your project.
I think you should use some soldering flux for these small SMD components next time. I tried it and really makes a difference :) It may cause a little mess but it's easy to clean off with some alcohol or aceton.
Been thinking about doing this for while. Good to have this knowledge going in if I decide to give it a try.
You really need to use more flux and get some fine point tweezers instead of that garbage. Also get some finer solder if you have problems with too much solder on the pads. A flat head iron tip works much better compared to the pointy tip for me at least. Hopefully these tips help some beginners
Makes me feel better about my 3 junked DIY atmega328p boards.
You can also buy the Maytech version on aliexpress for 89$ + shipping. I was lucky that Maytech was at some exhibition/fair in Germany when I ordered because they offered fast UPS shipping with no extra cost. Build and soldering quality is decent, solder is very shiny. So far it works well (survived few short circuts).
dont skip the ads, only for you.
keep up
Saiful Nurhasan FYI, it's actually a waste of time. The creator gets the same money whether you skip the ads or not, as long as an ad is served, the creator gets the money for it. Used to do the same thing😅
Best to just support him directly with patreon.
Abhishek Anil it helps if you click the ad and spend about 20 seconds on there
*I didn't
*just
@c6amp oh! I misunderstood the system then... Oops
This channel has so much quality...
Please do the same with an e bike controller.. so much thing you can learn us also the e bike community needs this flexibility a lot.. there is so much limits and obsolescence cases on that subject.. Anyway thanks for your existence man!!!!!! Keep those coming.
great video. when you use soldering paste , you need to clean the board after soldering.
I would definitely suggest spending the extra $7 on a stencil in future. Anything with less than 1mm pitch is generally worth it to me, especially with that sort of component count. Then you would have the option of hot air, hand soldering...or if you're making SMD PCBs often getting a T-962 for ~£150-200 (they work well so long as you only use the middle of it).
I appreciated all the detail- especially on your soldering technique and complications. Thank you 🙏
Yikes! I was hoping it would work... I always wondered if anyone would DIY their own VESC. And when I saw this video come up, I immediately clicked it :) Thanks for the great video as always!
FirstPrinciple r sadly soldering the original vesc is a fairly difficult task as the PCB is a 4 layer and pretty compact. Others and I have successfully soldered them before but every so often is a lemon that decides to be a pain. If not the mcu refusing to show up then it runs but even then we sometimes get one that blows the drv8301 and a few traces connected to it
Keep in mind that 90% of power transistors at Chinese online stores, especially aliexpress ones, are fake (cheaper, less powerful crystals than claimed). So even with firmware working there is a chance for it to blow itself up under heavy loads.
Totally agree! Those of us in the industry knows what's behind the scene. Nowadays, the counterfeit chips and components might even spot genuine looking markings, packings etc. Electrolytic capacitors are the worst. Certain PC Motherboard manufacturer actually loaded fake caps unto the boards. 5 container loads of them, and all go harsh harsh to prevent embarrassment. Well, anyway, they expect no one will use a PC board for more than 2 years, so its ok for the caps to burst and vent while in service after that...As a rule of thumb, I'll treat ALL components from Aliexpress as counterfeits and supposed I need to use a 3A diode, I'll select a 5A one to accomplish the task.
@@rontan8433 The famous China factor you have to add to everything.
In all honesty, you can cut down on time, waste, and mistakes by purchasing a solder paste stencil for a project such as this. It means you get the proper amount of solder for each component, the benefit of speedy assembly and soldering, and the bonus of less solder bridges.
In additional to all of the excellent advice others have posted about SMD soldering, I would like to add that you should solder and inspect while using an eye-loupe * try 1.5X or 2X magnification). At age 78 with lousy eye sight I still can solder 144 pin TQFP's with 0.5mm pitch - it's a great age-leveler! 🙂 That said, I would still buy a commercially available ESC, unless I need one that has specs that are not available in the market.
Well after soldering this project you must be a soldering master now lol
Great video, but you should improve your soldering technic!
I applaud his courage in building up the circuit from scratch, and definitely not from a cost-saving point of view. I totally agree that even to attempt something like this, one needs to have advanced to expert level of soldering skills, unless one enjoys spending anything from 8 hrs to 300hrs trying to find faults, after finding the faults, the board burned up due to bad soldering and loose solder residue due to improperly cleaned board. Well, believe me, some people actually enjoy this process! 😅
You need to update your soldering methods and techniques.
Experiment with different types and amounts of soldering flux.
The low viscosity (thin flowing) type is preferred.
It has surprisingly huge effects on your soldering work.
In the case of soldering the IC's first try lightly tin the pcb IC pads.
Then clean as usual and flood the IC pads with flux such that the IC pad area literally is a pond (lake) of flux.
Now do the actual soldering in the wet flux.
You will see that the solder tends to automatically flow to where it should be.
You can still use solder paste, but you must control the amount very accurately, as any surplus solder has no where else to go, than the nearest solder pad or pin and will collect there.
"feild orientated control" :D
Yeah... If GreatScott! can't succeed, I'm not even gonna think about trying. lol. Thank you for posting this! Probably save a few ppl many hours of frustration XD
love this guys videos so well spoken...
I probably would've spent the money to make a stencil and cook the board in the oven to solder. It might save some headache. You would just need to look at the temperature profiles for the components which might be sensitive.
You need a wave tip for your soldering iron - it's easy to solder IC's with it. Stencil form jlcpcb can be useful
look into the recent traction in VESC development, particularly in the onewheel community... you won't be disappointed.
Surprisingly it was not so hard to assemble these, just a more accurate soldering and checking with microscope. Worked the first time:) But it indeed is more costly and time consuming way to do it. Can stretch a little bit of the cost by using different fets, but not so much.
Awesome video! Been watching the channel for a while now it was so cool to see my right up about the bootloader installation in there! And also be careful with those AliExpress FET's I've personally only ever received fakes from China. And another great source of legitimate components I use lot is Arrow.com they have great prices.
P.S. just bought a VESC for $63 on RCMOMENT but there still on sale on banggood for like $65.
Have been waiting for someone to do this.
Interesting video. Would be nice if you could find the reason why your diy ESC was not recognized. Very educational. Thanks for sharing.
I can see in video problem. If you are using oscillator, one of your pf range capacitors are in nF range due to darker color :D
Things are so compact in there. You can just created your own pcb layout using their schematic. By that you can alter the board size and parts placement. By the way great video...!
You did not use soldering flux.... Watch Louis Rossmann 's channel.... Just soldering flux, heat gun, soldering wire & soldering iron ...... You can so a professional job.... Could be way batter than you did hear... But... Hai... It still works....
Agreed with this. I was wondering why someone never mentioned him here before. It's all about the flow!
And about the com port issue, your controller might have damaged due to short circuits. They're too fragile with voltages.
I was about to make this comment.
After watch months of Louis soldering, this soldering looks too dry and painful to make.
Don't give me wrong, I'm no expert at all, but it seems like Scott had a hard time soldering this smd's.
Use plenty of flux (ideally jelly flux) and drag soldering method on big ic's and you can forget about hot air. you have to clean the boards afterwards with IPA or acetone. Keep up the good work!
use mineral spirit to clean flux and never look back, acetone stinks and IPA does not do the job very well. I have no clue why IPA is recommended.
I am not the first.
.
Thumbs up for honesty
no flux given....
I suggest you buy some liquid flux. When you bridge pins on surface mount IC add flux, then place the solder braid over the flux, then heat with the iron, works well for me.
Hey😀 for next diy or buy video can you teardown your andonstar adsm201 microscope to see what kind of lenses and circuits they use and maybe you can make it battery powered to make it really portable 😀👍👍👍
Hate to be a stickler, but I can't help myself:
The dollar sign only has one line through it. Two lines is what you see on the moneybags of the Beagle Boys from Donald Duck after they robbed a bank.
Great content by the way!
Great stuff, If you can heat the pads and use flux a good brand the parts will line up with the surface tension of the solder. a bargain tip cleaner also is the steel sink scrubbers from the dollar store.
You could have tried to make some nicer welds in the first place, but yeah it's pretty tough to get it right!
Mad props for trying it!
Please let us know how that maytech VESC is holding up
About soldering... I see you have ersa i- con soldering handle. This is good soldering station only you must increase temperature. For that pcb with lot of copper and two side layer pcb, at least 350°C to set. I have the i-con pico (80W) and much better results when soldering smd components even with classic thin wire without extra flux. I use stannol thin 0.7mm thick. Sorry for bad english...
Consider using additional flux during soldering. Any gel flux is usually at least "all right".
I think it was pretty clear from the complexity at the outset that the time component was always going to sink this DIY option, even if it went flawlessly.
that was a valid attempt! Well done on trying!
Always completely cover your esc connectors with heatshrink tubing
It only needs a short to fry it/set it on fire
The Golden Rule is "DON'T BUILD, BUY"! For smaller circuitries, you may BUILD. For larger ones, you should BUY. For not so safe to BUILD ones, definitely BUY. For enthusiastic ones, definitely BUILD.
man....you are the guy!!!! great video congrats!!!