Reflow soldering is a critical process for attaching surface-mount components to PCBs, requiring precise temperature control (typically 180-220°C), proper stencil application of solder paste, and careful component placement to avoid defects like tombstoning or solder bridges; the process involves applying flux, placing components, and heating the assembly to melt the solder paste and create reliable electrical connections.
Deep Dive
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Deep Dive
LIVE: Casual MakingHinzugefügt:
Hello everyone.
How are you doing?
A little bit late, a little bit early.
Hey, the shipu. Hey, Ray.
Hey, >> Johnny.
>> Is now live streaming less than no game.
>> Connect.
>> Good today.
>> Oh no, that connected to the wrong device.
Wait, wait, wait. Sorry.
As always, technical issues.
Let's try again.
Ah, I have. I Yeah, the shipo. Have you been to Milano like like Dave and Alex? I just realized after the stream that they they did the road trip to Italy to to Milano to heck day Europe.
I have a Polish Polish uh >> food today.
Look at this. This is a uh 6 mm rod. Hey TMK stream unprepared as always. I was I had headache >> too much. Ah, come on. Connect already.
Hey Sonic. Okay. Now, now we are connected this Sunday and then you're now in Berlin or are you back home and then going to Berlin in a few days only?
We wait for Kaspera and then I will reveal my food, my uh my Polish Polish uh food today. Okay. I I am I'm more angry by the by the minute with all crap on my table. I need to clean that up.
Ah, Berlin taking taking the plane cheaper than the train, huh?
All right.
Um, so what is on our Yeah, we have I have printed parts basically. I uh the complete roll of met PLA is gone. And what do we have to show for? No, this is not what we have to show.
Not going up. Yeah, you you you age you age basically like 10 years uh when taking the train with Japan core here.
Uh some some came off the build plate of DB poor. Yeah. Uh build plate. But we have like uh from the from the major ones uh there there are spares.
So if there is any warping.
Okay, I review now because it's not tea.
It's not tea.
I will show you my Frankenstein Polish food.
You guess you guess what I got. What?
What I got in my cup? My mock.
What? What did I got there?
Any guesses?
What is this? What? What is this mystery? Bared.
Yeah, it's bared. It's bared with a perogi inside.
M. Yummy. Oh, and this is our failed power supply from yesterday. Look at that. Oh. M m.
You need to h you need to s I don't know why I love it.
M look at that m perogi.
Gross, huh? With mystery meat meat inside.
Yummy.
Kas Kaspa missed missed all the Polish action.
All right.
Should we try to assemble the frame?
It looks like liver. No, it's dumplings.
It's just Polish dumplings.
Look at that. How how cute they look.
I show you more.
I I I'll show you the food in details, but I got them from Mixmark. So, uh the perogi from Mixmark and and if I cut them, I Yeah, that got only red because of the bar. And I love only like the clear bar without any other stuff. And there is the mystery meat. Okay. Might look gross, but it's very tasty.
And this is the natural color of this um uh red beet soup.
Ricky, you're in Chile. Nice. Oh, that's on my bucket list. Where are you located in Chile?
I need to check as I I I would I always uh love to watch documentaries more south or more more uh north probably north. Is it?
Where is the most population of Chile?
So obviously like uh Patagonia and stuff like that would would interest me the most. It's probably Yeah. Now we we are approaching I guess the winter there.
Oh, I have one more. One more pier.
That's it. I had I I had like three perogi on the mix mark. I found like a tetraak bash which is which basically tastes like from originally made made by my dad or my family.
So I bought like four liters. The first day I ate a liter with perogi and also you can get the perogi frozen. And I found I don't know how it's called.
Um uh similar to the perogi but uh they're in in uh in potato dough or something. Okay.
It's like P.
Yeah, that's the that's the one. The shipo.
They are also good. It's even better than the pureogi.
So that's that.
Let's build the frame. Kluski Schlonsk, but we never had them in Schlonk.
I mean, I grew up there.
We never we never had the meat filled glooki there.
Weird. Maybe maybe we were too poor.
So that was that. But today and now Um, I clean up. I need space.
Ah, Kaspa Sulabs half Polish. No, I'm full Polish.
I I was born there as well. We We came We came to Germany uh 199 1988.
So I'm living here for the majority of my life soon. Where where are you from?
I'm born born in Lublin which is I don't know if you uh like 50 kilometers east from Opola more or less.
Okay, here is the frame.
Uh, Casper, did you did you miss all the nice all the nice Peruk that I look at the frame? If we build this up like that.
Okay, this one I need I can see. I should stop printing black black stuff. this in Kraov electronics. Kraov is nice.
Then was like this city is quite modern.
Been a while when uh since I was last there, but it's like a great city.
Okay.
Okay. this frame. This frame I need to to zoom out or put my camera away. I can't even zoom out. I don't have this wide angle before we will be able to assemble this.
Okay, I have two levels of this, one level of this. Okay. But I need 6 mm. And we also need to drill out the holes because they are too tight. Like we printed it with uh 0.8 mm uh nozzle. And that's why 0.1 tolerance wasn't good enough.
But that should that should be all right for for the PCB.
I don't have I I don't know if I have any what kind of bolts we we need like quite high bolts. So I don't have those.
I'm I but I have a saw.
Okay.
I bought 50 worth of hardware because I didn't know what we will do. We have several options. So I thought like aluminum rods would be nice but I took pipes. So plina uh yeah that doesn't fit as like too snug. Too snug. It doesn't fit. Uh, but I took like the rods and but I took like pipes and also um threaded rods that would fit the pipe.
So I could tighten whatever I do like that or or I take just the 6 mm rods. But this is quite quite tight fit though.
I don't want like I mean I could we could just ah use enough but I think I will I will start start uh we can cut one of those rods threaded rods to shorter lengths and um just to set up set up something.
Okay. So, uh you will leave that on the side and I will bring this hacksaw here.
And we had like this one extra threaded rod that I already used.
Okay. I also bought some bolts. What are the bolts there? And I thought I thought uh flugal mot uh that would fit the style to tighten it in in the end. So particulate.
Yeah, that's that's uh bankruptcy but uh accelerator. This thing is wing nuts. Yeah, wing nuts. That's That's a Okay.
So, um, yeah, I don't want Should we Should we just get a few few shorter sections like 10 cm?
But, uh, then we don't have enough. I think we need six. What's the length of this?
Do I have any measurement uh instrument here that's long enough? Yes. Here is a measurement instrument.
All right.
So this thing is 73.
So we can basically use 12 cm each.
Like then we have six of those.
I don't But it's six. Is six enough?
No, six isn't enough. Then we need more.
Oh no.
Oh, we use shorter ones. I should just get get bolts that are long enough, but in the end we need like a a way way longer longer thing.
Um, we need all the rods that we can get.
Okay, let's do six cm. Then let me get a marking here and we will use the hacksaw. I should I should use the angle grinder and be quite quick, but we don't have wireless cameras here yet.
Wait, I have a pen here. This this marker should be all right.
Oh yeah, we did. We did that. Actually, I could go and use a angle grinder for this because then we are way faster.
Can do other stuff. We we we can do that. Yeah. OBS smartphone sharing 8 to I probably burn my fingers.
There is a nut.
I think we did this on stream when I built the um wind generator, didn't I? I used the rod here.
Let's see how long it takes to use the hacksaw.
If I had like a bolt cutter because Oh, yeah. But bolt cutters are killing the thread.
Okay.
Okay, I have all the markings.
Now that takes so long.
Hey Gor. Okay, we will put my my mobile phone on camera.
Okay. What was the what was the tool that we used? We used some some um jity. No. What was Oh, I have an idea. We will do a screen capture.
Droid cam.
Is this a plugin?
I can just do like a call uh a video call.
NDI Uh, no I will just use Google for that.
Let me set it up quickly.
Okay, no worries. This is good enough.
>> Okay. Okay.
>> Yeah, we that's way easier just using something.
>> Blah blah blah.
>> I can hear my Okay, let's go downstairs and uh >> Yeah, that's that's because my phone.
>> Uh I will go downstairs and do it.
I can hear myself. Oh, this is so gross.
I won't be able to hear you, but I hope you'll be I'm back.
>> Here we go.
>> Okay.
So, how was was the connection? All right.
What did you see?
We have a bunch of bowls now, but they have like a quite rough edges.
What? Why wasn't the safety fun?
I had glasses. I had hearing protection.
Silent. So yeah, unfortunately uh we have to work on that. If I would I would need like to choose swip.
All right, that's that's all right.
Okay, it's better than nothing. All right. Um let me file down some of the edges.
I have like any box that I can use as a waste. Yeah, I guess this one here.
Yet another JC box all singers. Yeah. Oh, my fingers are all right.
All right, let's see if uh as long we can get a nut on. That's all right.
Oh, wait. There is already a nut here.
Yeah, I should use a tool for that as well. I have all the tools, people. Why am I doing this with hand tools?
I don't need to to uh to screw that down.
All right.
Oh, this one works. Nice.
I I will just uh get down to the maybe if I have like a super super pointy edge, I should still file it down a little.
But this file is not meant to be used like that. I have I have a better file, but not here right now. Okay.
Resub Andy, thank you very much.
Okay, this one is tougher.
It's quite bent here.
Stretch.
Let me do the other ones that don't resist as much first.
So, uh, SS what is SS hardware?
And that's a temporary mounting help for the frame. You will use it in a second. Stainless steel. No, it's not. It's uh um galvanized.
Stainless would be really hard to file.
Okay.
Yeah, rest. You got me. You got me.
But in my chaos, I couldn't find the right tools.
I guess I could use like uh wait, I could just take sandpaper.
It would be still good enough.
I think this one will really fuse as well. No, it does. It works. Okay, we will just have a base for the cluster.
And today we will assemble the main board. How about that?
Maybe not completely. Oh, we need to also print a holder for or multiple holders for for it.
Um, you know what?
Let me start the print for the holder already.
Oh no, we have the wrong nozzle for that.
I think 0.8 will be too rough for the holder because the PCB are held like with u with a little piece a standoff that's mounted to the It's mounted to the uh blade.
I can still print it though.
Let's try one.
I I have not much filament left of the black one. You can see the spool already like the bottom of the spool.
Oh, this one looks also quite rough, but good enough. Actually, better than expected.
Three more.
Is there still still the meeting going on?
right here. Oh, yeah.
No, the Google Meet was still open.
It worked.
So, how was The hecker day in Milano.
Was it any good?
What did I miss there?
Anyone still online? who who attended it.
Pretty good. Lots of Oh, what did Dave prepare? Did Did you add one, too? your yours are also amazing.
Like the one with the spaceuit girl.
So cool duplicant. What is Which one is that? Have do you have a link?
Oh, postcard. Nice.
Is it still calibrating?
Should just print.
Ah, come on.
This one is reluctant. The la last one.
Ah. Oh.
Yeah. Got it. Finally.
Now my fingers smell like this.
Like hardware.
Okay, we have some some balls now.
It's a nice smell.
Okay, let's see.
We start I would say oh no we still need to drill it out because yeah the precision lacks a little bit precision but I prepared already the drill only Come on.
Yeah.
And not with 0.8 mm, are they?
Okay. So let's start with we use only every second hole because handle 24. Nobody will convince me to try that Lego.
Oh yeah, that Yeah, I might. No, I probably don't have that device, but I know what you mean.
It looks like a bell.
It looks like it doesn't make sense right now.
Okay, I will check it later.
I really need to drill especially those small ones seems to be This off.
Hey, you mo Hey, Fly.
Your name sounds familiar.
I just don't have enough space for this build.
Ah, yeah. I remember that.
There we go.
Okay, let's clean up a little.
Uh there is this one. This is the only one that's uh didn't print well, but I will we will put it on the bottom and nobody will notice.
Yes, it's it's a it's a pocket uh accelerator.
Yes.
Sounds worth This fuser is a uh it's only one cavity. It's not actual cold fusion.
Having to accelerate something doesn't sound like it's actually cold, but oh well. I'm making a mess. I mean, I'm putting it all in one box down there.
That's still messy.
Do I even have enough of the bones?
Uh-oh. Might not have enough.
experimental data of quite fusion or what?
Okay, fusion.
Oh, we lack we lack one. I don't know what we did there, but we are licking um at least one.
Yeah.
Did we lose it somewhere or I need to use something else then? I have another I have some bolts here actually.
Okay. So, there is one missing, but I have actual 6 mm bolts that I found before.
Look at that. There is there is an actual one.
It's a a little bit longer.
But oh well, I take it. Should just bought bought some bolts. I probably will if I get to the hardware store before.
Okay, let's continue.
Let's hope I need to not to drill those as well. Ah, I need three.
Here we go.
sticking up.
Oh no. Did I use I used the one with uh the cranky one and I won't I use I think we'll pop It's actually a nice idea to to do a lot of small passives.
Laura communication. What?
That's cool.
Okay. That that looks sturdier by the by the minute.
Next seros.
Hey, Hot Wheels.
One more segment.
and take the one that looks the best.
All right, last segment.
Oh no, this needs more drilling or what?
There was something stuck.
Ah, here we go.
What is stuck there?
Huh?
Now it's good. Okay.
SL. Yeah.
It's always the last part that doesn't fit. The last beer was the bad one.
Hot Wheels called fusion accelerator.
Can you can you accelerate hot wheels as as fast so they fuse in the end?
I didn't know that Polish saying.
Okay, cleaning up a little.
I won't like to carry the garbage everywhere.
All right, let's remove the tools.
Let's see how that holder turned out.
Probably won't fit, but we can still try.
Okay, flugal motor.
I have only eight. Ah, why did I buy only? I will order them online.
Screw that.
I thought I only need six, but then I changed my plan.
as Cot Robota. What?
Apparently my Polish is not as good as I thought.
Slow-mo action shot frame. Yes, that's that's the thing. No, it's not.
Sorry to disappoint you.
I just need I just need to fix it in some places.
Bullet time frame. Yeah.
We will find out how precise bamboo lab versus JC lab. size.
Can't do this here. This one. This one doesn't fit, does it?
Really?
Oh, it is small. Yeah.
Quindo, did you know that Noat No is German? Or at least he he wrote to me German today.
We the the order of my chips are taking progress. Nobody from all net is helping.
Uh actually uh oh you visited him in Hong Kong. Nice.
All right. Uh so basically they received already already the chips. So we have another 30,000 chips that we could uh assemble. But I don't think I have the funds for the PCBs yet. I need to release the video of this version with only 8,000 MCUs before we can continue with the 32,000 build.
I still like I have only the money to pay pay the MCUs, not the PCBs and the import taxes.
What is this? Am I missing something?
Yeah.
Yeah.
I don't care. I mean, I wanted I wanted this project to be released with a bang, but uh a bang not happening. This is nuts. Yeah.
No, I'm not a GmbH. Actually, I have to pay them. I They will get returned, but I still need to have them on my business account.
So, my business account is really running low right now.
All right. So, now moment of truth.
This is uh AI companies.
It fits. It fits perfectly. What? What? Look at it.
It's seamless.
All right. All right. All right. All right. All right. And then and then then we have this here.
First try. Yeah. And we have these here arranged.
This is only the 16 16 blade version. It has only like 16 blades on the outer.
The the the full version will have like two blades and they will be way closer together like four four next to each other here.
This is this is Yeah. Yeah. Yeah. Yeah.
This is I'm looking forward to it.
And and this is the holder that we need to attach. I hope that uh Wait, we printed it. Where is it? Cook.
This is I printed from six pieces. Still fits. Nice.
That is our Yes. Fly. That's the Risk V. That's the You did You missed all the part the the part. Look at that. The blades. That's 512 RiskVs plus controllers.
Okay, these are the holders. I think they won't fit. Yeah, I guess this is um 0.8 mm nozzle is not not good enough. Um we have a stack of those if if you missed that. Yeah. Here, here is the Here is the stack.
Uh those and there is a stack of of uh blades and they will go go on this PCB and we will um do the remainder of the PCB today.
There are like controllers on the back side and I hope that I put everything on the right All right. Uh spots here. I mean, we can use even we can use this.
No, no, no, no.
Oh, yeah. This this is the JAC.
Uh we didn't uh No, I didn't uh figure out the power PCB. I was lazy today. I had a headache because we created so much fumes with the 400° C that uh I was too lazy and I watched um for all mankind uh five episodes instead of working today.
I just let the printer print.
It was sitting downstairs and watching TV. But that's this I like that. I like that.
Binging. Yeah, the the only I had like just to quit for a nap.
I had to quit today just as it got interesting. No spoilers, but there there have been spoilers on Corridor Crew. The bastards spoiler spoiler an episode uh to me.
that I still didn't watch.
Was it Corridor Crew? No. No, that wasn't Corridor Crew. Uh they they like to spoiler things. Uh no, it probably won't be Risky. Um yes, Scott wasn't. Yeah, we we watch the same things.
Mi diode. Me a diode. Is this Is it meant to be read? Me a diode. Yeah, Scott Manley spoilered it. They discussed a specific scene of the movie.
Okay.
Yeah, we watching the same stuff. I I love Scott Scott Menley because I don't know he is so um his delivery is quite like clean and enthusiastic.
He isn't like like uh the the other whatever space news uh guys main crush. Nah. Nah, not with it does. Wait, is he Scottish? He has like this accent. I also like his accent, but uh uh the summary is quite nice and there is not overenthusiastic, not too much ads. Are there even ads at all? I don't think he has any ads. So I can just sometimes I just listen to it while trying to fall asleep and then that helps.
But there was also Oh no. When we assemble this, we need to also do all the power connectors. Oh no. I think I we will we will only refflow reflow the MCUs here.
So, how do we do this feed that pizza in the kitchen oven? No, we we have like we have uh I think we will do this is uh this is a little bit unfortunately I think the the border here is too high for the stencils.
Let me get the stencils.
Stencils are easy here. That's a That's a mini mini stencil job here.
Pickle pick.
Where the [ __ ] Can you spot Can you spot the arrow here on the PCB?
So she you got it right. Yeah, that's not only the test points.
These are these are these are actually my programming pins. So this is my JTE. Oh, it's right underneath.
Oh no.
I think there there are I can use other pins for that.
No, I think they they are also shared on uh these connectors here because I I I think the 16 lines contain What is No, that is all all right.
I thought I don't know. I maybe thought it's on the other side. I forgot to put it on on the this is the bottom side. So actually I don't know doesn't matter we will figure it out.
How do we How do we reflow that even?
Okay. Yeah, I need to get it out of the frame.
Reorder. No way. 450 bucks.
No, I don't need I show you I show you the project on my PC.
Then you will see uh this is not necessary.
Yeah, I can put tiny wires to to the legs that drill holes through the chip.
That could be an is the thing. Um, uh, blade H base. No, where is it?
Oh no, this is the big one. We need the uh maybe I don't know if I if I do tiny tape out. I currently I don't have the time for Yeah, I'm not drilling anything on the PCB.
When I drill, I will certainly uh short ground layers and everything.
There are there are ground layers everywhere.
Not doing that, peeps.
But the the size that you can fit uh is not that high, I believe. Look at that. I did like the stencil thing and I still didn't notice my blunder.
Yeah, peeps. These are quad flat pack chips. We can always solder to the to the pins. The pins are exposed. No worries. This is not QFN or anything.
Don't be don't be scared. Don't be scared. And also, I don't need that because I will show you the pins.
Look at that. Where is my here?
Yeah. Oh, wait. That's actually not.
Wait.
Oh, this is the main board, the main CPU that doesn't use those those pins. Uh because these are sharing the pins with some lines, but this one doesn't share.
Okay. Yeah, we need we will just uh we just need to print uh program it the first time.
Program it the first time.
Uh, no. You know what? Um, we can always program it over USB, but then I need to pull one of the lines low.
Yeah, we did we did similar things here on the stream as well.
Get good J on de.
Okay, I think we will program it over USB or uh we will just add wires. No worries.
Don't be Don't be afraid. Don't be scared. Don't be.
This is far from critical.
Yeah, that's not QFN. QFN is always flush, but that's not QFN.
We are with quad flat packs here. Okay, I need some uh I will prepare the parts. We will do the paste and parts and everything here.
So, first of all, we need um Okay. Is this the chip?
Yes, that's the chip. So, we need three of those.
Yeah, that's that large QFN has no legs. That's quad flat pack. Yeah.
Thank you very much. Okay, we need three of those.
Then only the only thing The only thing that we need. Okay, we could we could put on I think I had found the somewhere the crystal.
Yeah, that's the crystals. Nice.
I think we have only we have nothing except here uh um the five uh the uh 5.1k uh resistors.
Yeah, Louis Rossman. We learned from from the best.
Oh, we have the 50 50 ohms resistors here for the SPI. All right. Yeah, let's do let's do the Where did I put the 51 ohms? I I bought a reel. Here is the reel.
Oh, wait.
20 ohms. That's wrong.
here.
Is this the 50? No, that's 1K the template marked.
There's only way it's not symmetrical or anything. Can just What is this thick film 2.3?
This is okay. That's 51 ohms.
We have 100.
Maybe we will spool create some spools.
um for for the pixel pump. At least I can put them in there.
Yeah, let's do that. Let's Let's get some preparations this time.
This this this should be enough.
We will we will manage to do that with the low temp paste.
Okay. Oh, do I have the tool to wind up?
wind up the the tape.
We will see people. We will see.
We will see if it's enough or if I will get my fingers hot like that.
I don't know where the spool roller is.
My chaos.
My chaos can can't find it. All right, we have to do it without This RAM is so expensive right now. I guess I won't be doing any any new computer builds anytime soon.
What?
Can't wait for the AI bubble to burst.
Can't wait for the AI bubble to burst.
Imagine that. Like then then you get like free RAM everywhere.
Yeah, I I don't have the tool on on my hand. So, I will put it like that.
Drag and drag.
Wow, that's crazy.
Was it here?
Okay, that's that was 100 nano.
That's 100 nano. So, let's let's directly put a label on that.
Yeah.
I guess it's not stopping because of me then.
I'm all for all for um singularity.
Okay. Uh we have the 100 nano farad. Then next one will be the 50 51. No, wait. That's the 100 nano.
That's the 51.
I don't know. I got them sponsored.
You need to check Robin Tools for that.
Not affiliated anymore, but well, I think there is a new version of those in the meantime.
You you're still arguing with mine about basic facts like you're trained one you have a trained one uh locally Sonic there you can 3D print everything but the effort I just saw recently a Tik Tok where where a dude like printed some really stupid thing that cost him like 10 times as much because he 3D printed it like huge basic stuff. I don't know. I mean, this this is this is actually a nice thing that you could there there are probably like different uh designs uh that are easier to 3D print.
Um, this one has only like three part two parts and this spring that looks like uh from from a pen racist perplexity and local. Okay, I we we still need, you know, guys, I have all all the raw materials from everything I ever recorded for my YouTube channel.
Since I don't have kids, if we want like a loony clone, we can just feed it everything like every stream there there is out there from me and all the raw material and it will spit out bitum content indefinitely just for you.
Looney. Yeah, I would. I would. I would totally is not prepared.
Uh, that's 51 ohms, is it? Yeah, I think that's 51.
Yeah.
Okay. That's 51 ohms directly with label.
A slow stream today, huh?
But we will get to that.
Yes, I watched it and I will watch it again. I was in the cinema uh with my girlfriend and we were the only two people in this the whole cinema and I must admit at home it's better it's better graphics at home like OLED is better than cinema.
Yeah, the witty the wittiness of it uh is cool.
Yeah, the audio is often too loud in our cinema. Sometimes it's like too dynamic.
I don't know. I mean, I can do it loud here. There is no We have no restrictions about loudness. like the next house is like 20 m away and I could I could crank up the volume here so I can also feel the bass.
No, I don't have a surround system, but I don't really mind. I mean, stereo is good enough. I was really an afficionado about sound earlier.
Huh?
Where is the label?
Huh?
The 51 disappeared.
Yeah.
Yeah, I since I'm working from home, I can do it also during the day watching this stuff. Uh I want to get like the um Dolby Vision. I don't know if there's like Dolby Vision, but uh uh um ultra ultra UHD Blu-ray HDR Blu-rays. I want to get that from Hail Mary. That's one of the one of the movies uh that that I really enjoyed. All right. Uh we are only missing 5 uh 1K, but I think I we need to take it from our um our other thing.
I don't believe I have it here in that size. Oh, I have already 100 nanos here.
Uh 1k I have I have different sizes also.
All right. Um let's check the books for five uh 5k for the use.
That's frets.
No good.
Also pick up here.
Here we are.
Six 4603.
Best purchase ever.
Resistor book.
Like 15 bucks.
So great.
I only used three values so far, but for salvage I'm I was I was doing that in the beginnings of my channel, but don't don't need that anymore.
just I will only do it if I'm in a hurry and can't get it like locally or anything smaller and smaller.
Okay, we need the captain tape which is over here.
Yeah, that's that's the classic ones.
Okay. Tape.
Huh? Where are the scissors? Oops.
Sorry.
All right, let's check if we can align it again.
That looks about right. Okay.
Okay. Load temp and paste.
What do I do? Do I use like I liked I liked uh the stainless steel as a spatula. Yeah. Like maybe I can use a card.
But but the really thin edge of the stencil I liked that actually.
Okay. I don't have I don't have like a clean stencil here.
This is a Okay, we will use uh the Alien Tech DP 100.
Nah, this doesn't feel good. I really want I really want rather Okay, let's let's use that again.
And I will use I will clean it up first and we will get some fresh paste on there.
How sign?
I use this tool.
It's a little bit It feels a little bit dry.
Feels a little bit dry, but it's not waterbased. So, let's see.
Let's mix it a little bit and camera is in the way.
Move over now. Now you have some bad reflection.
Looking good.
Actually, I like when it's a little bit on the dry side because it sticks way better.
Let's see.
Tada.
It's good.
Where do I put the stencil?
Okay, now um yeah, I can turn on the pixel countertop.
That's the camera angle.
All right.
Yeah, this is the nozzle of this.
Uh the nozzle is too too small. Let me get a let me get other nozzles. If I have a bigger one, I will just put it.
Yeah, this the nozzle is too Where are the nozzles?
Don't want to bump the camera or anything because then I get continuity problems in my filming here. Okay, found it.
Shoot, bigger nozzle.
Oh, with camera is so so shitty.
Uhoh.
Guess this is all right.
Oh yeah, now I ruined it.
Hope there some smearing.
I can't see that. Well, I guess this will be it.
Yeah, let's get some Oh, was the Oh, you're right.
I think uh Yeah.
Wow. You You caught You caught it. Ah, you caught it just in time.
Thank you.
Yeah, this will be good enough.
We'll fix it. Fix it in post.
Okay.
I press it down.
Okay. Press it down now. Um 51.
Yes, it is.
Okay, first of all, let's do this.
Dudes, I can't see. My eyes are so bad.
Butter was used like that. What?
Okay, let me put it back in the book.
That must have been amazing times effects.
I have glasses but they are not meant for this distance.
Oh [ __ ] I just launched him into outer space.
The the resistors that I [ __ ] Sorry, I was so shaky.
Like when I when I uh released the tape, they flew all away.
Yeah, I don't take straight resistors here.
Let's move them away.
Especially if they're not labeled.
Okay.
It's not a stray one.
Now 100 ohm resistors capacitor 100 uh nanofarad capacitors.
Are you using AI now to get the butt effects?
Yeah.
Oh, damn it. This one's sticking to the nozzle. Okay.
It's actually quite small, but I can barely see what I'm doing here.
What is this one here?
Okay, this must be also the one of the 16 poparads.
Okay, let's do this orientation first.
That's true.
like uh also how quick um you can train like your gangs.
So your nervous system you can train it not to like without without full brain control um to be like reactive like playing pingpong or whatever.
There is not much time to to process all that information.
The brain just gives the information.
Yeah, move over there. And it doesn't like give precise angles, torque or whatever.
All that is trained. That amazes me about sports that you don't think about uh when you move.
to have that part broken. And also consider um animals or insects.
They have like um you usually it's you would consider it sci-fi if um information like DNA is used as a storage.
uh in sci-fi it would be like in the human DNA there is like an ancient storage with information about whatever uh but like birds uh I I'm I'm watching birds from my window uh in the garden or um squirrels they build stuff they decide what materials they take to build something. They never witnessed it before. They building it all from like grown brain tissue that was encoded perfectly encoded in DNA. So how to build a nest or whatever, what materials to take, sometimes they use mud or whatever. So every every that all that information there is no I mean uh they learn some from from the parents how to they practice flying but um like they never witnessed how the nest is built. They do that on the on their own or am I mistaken like all that information crows? Yeah, those as well. I I guess those are learning.
But I mean like the information that is stored and then restored uh also in the human brain. I mean it's if you're if you're like a a toddler or whatever your brain is basically muddy but still um you are it's encoded to to search like for the breast of the mother with your f the ferommones and everything. So there are some instincts still or breathing and everything and how this is correctly decoded and modeled that it functions right away when you are b born that that is like beyond beyond comprehension to me. I don't know how that is like that's that's a miracle.
Uh I guess I have all the 100 nanofarads now. Uh, we need um the crystals and the picoper.
Yosha, what what did he tell about uh that?
Tell us.
Oh, nice. Look at it. The crystal goodness. Ah, we have all the crystals.
The crystals are ours.
You know what? I can put them also internal world model.
Dude, you're taking all those facts from from the butter channel.
Be peeps. If you don't know, there is a butter channel on on the discord where all those facts are already present.
Johnny is presenting those facts.
Johnny, you need you need a home assistant butter effect uh plug in to make that. Where's Where are my labels? Okay, we need to I mean at least the crystals are labeled somewhat.
What?
Oh, looks like might be too big. Are those the right size?
Not sure if that's the right crystals here.
All right.
All right.
Uh 22 pop ferrets. Okay, pips. We need four more 22 picos and then we can reflow the first part.
Here we are. 22 Poperas.
All right.
to be careful. We don't have many of those.
polarity control.
Okay, that's it.
Uh this will be yeah negative resistance. Looking forward to it.
Uh we need power.
Is there a power line? Yes, we have power.
Okay.
Never did that before.
I I hope I hope this will be working out and I hope I will will not burn my hand here.
That that that's if I even burn my hand, I don't care.
I just need to this to be refflown.
Let's zoom in a little to see if anything actually happens.
95 96° How do I correct things if they if they tombstone?
Can't zoom any closer. It's quite tiny.
It's melting already, but I don't think it's good enough yet. I need something like to support it. Yeah.
this cardboard box on the other side.
Well, I can I can increase the the heat a little bit. Let's go 180.
But it's already it's already reflown.
I think it uh can handle a little bit more.
I need to fix a few this one here.
It's bending because it's so big.
Okay, this one aligns.
Uh, which one?
Oh, here. Yeah.
Okay.
I will.
Okay. I I think uh now it's getting to right the right temperature.
Anything else we can fix in pose? But we have we have way less uh bridges than than usually.
I think we are good.
Try to Yeah, I think this pet is uh without solder.
Okay, fewer. Sorry.
Okay. Uh that's that. Let me get it cooled down.
Let me let me take it take it off the without bending it too much. So it Oh, it's quite quite warm even in the center.
We will we will check it on the microscope in a minute. But I think we will populate the other one. We have another side still.
So, let's let cool this down and do this side here.
I don't know why we started with the harder one, but this this should be quicker. It's only one MCU, no USB, so it's even fewer parts.
All right. Where is um the other stencil?
Here's the MCU already.
Here is the stencil.
It's hovering in midair.
I think I made uh the holes for for these uh slightly bigger on this design because I noticed that a really quite a tight fit otherwise.
Ah, sweet, sweet little stencil.
Where is it? Here we go.
Perfect.
Uh, not perfect. Uh, I need that tape.
All right.
That's it.
Finished.
I love this mini stencil.
Can put the remainder of the paste inside the content.
All right people, I I think I think there is a misunderstanding what intelligent design means.
It's not I I don't think it uh creationism is meant by that.
Although although I don't believe I personally don't believe in gods I can't uh deny that there is a possibility that we are in a simulation or uh like a higher being like an alien being created life in some way or form.
I can't can't deny the possibility, but I don't believe in any of those like simplified uh uh story gods from from from books.
All right, that's probably the wrong discussion.
The right discussion is mishaps in the DNA.
Oh yeah, Pastapharians are cool.
I like them because they don't uh refuse other religions or whatever.
They are quite peaceful and I like also pasta.
Do you have like your traditional uh in Germany you are allowed to wear your traditional headwear headwear in the uh in your ID documents and the pastarians have like this se on the head as a threat. There's no head wear.
Okay, let's skip the topics.
I never been to Hardware Summit yet.
I would really really like to go there.
I hope I can make this thing work and go this weekend.
Oh, damn it. Now, now I ruined it.
I guess it will be all right. Okay. Only only the 20 Ohoo [ __ ] Some 22 poperads flew by.
Yeah, it's probably tombstoning if I know my luck right.
The tweezers also amazing. Quindor, you helped me so much recently like with the tools.
We got like the latest. I All my tools were like from 10 years ago. So much things happened. And I love the soldering stations. I love the tweezers.
T the titanium. Yeah, they are so precise. They're perfect for this job.
Love it.
Yeah, I noticed there are like uh the other ones, the cheap ones that I used before, they tend to bend quite quite quickly.
But uh if it's really titanium, then I guess they will stay right for for some time.
All right, here we go. So that was it.
We have all the things. What is this? 22 picos go in the book now reflowing and we are done.
Then then we need some programming pins or whatever. Oh yeah, we need the headers. All the headers, power and whatnot.
Oh man, a lot of lot of work still to do.
All right. Uh yeah, reflow.
This cardboard is still not high enough back there.
Need to increase it by a pen. The height of a pen. Yeah, that's that's perfect.
All right, let's get it really close and see how that reflows. Let's zoom out.
Oh, is the chip shifted by one pin? It is.
Oh, no. Is it?
No. It only looked like that.
It's good.
No, it isn't. It's moving.
It's slightly It might be slightly shifted, but I can't tell if I Yeah, I guess surface. It's It's melting already.
We have We have a tombstone. We have a tombstone.
Okay, let's fix the cap here.
Ah, yeah.
It's raining again outside. Okay, the resistors aligned.
It's nice.
This one doesn't look like it's probably because the still the ground plate is uh not very hot.
Let's give it a minute.
Maybe I should Yeah, I give it like the twist.
Same with this one.
Let's move it a little bit so we have a bigger contact. Oh, now now it's getting hot now. Now it's getting hot over here as well.
It's interesting the the whole PCB bands because it's getting hot in this one section but not elsewhere.
I guess it will be all right.
hot plate.
Yeah.
1 meter by one meter.
Or we just take a hot air station pizza.
Oh, wait. That's the wrong sounds.
laar.
I got a super cluster sombrero.
Uh, new sound for you for the sound board.
Okay, tips.
That's like as impressive as um the spaceships from Independence Day.
Now we need to check I Here we go. Oh, it's still so hot that it bends upwards. It doesn't fit well because it's it's hot still. All right.
Um, we will check it under the microscope. I will dis disconnect everything here.
Don't need that anymore.
I need a bigger lab. I need my old lab.
It was so big.
Wow. Is Is there like a thunderstorm outside?
It sounds like it's coming. There is a lot of water coming down.
I'm enjoying the streams lately.
We have so many goodies every Every time, every stream we assemble something new, which is really cool.
All right, let me get that. Switch it to the microscope and we will check.
Ah.
Nah, it's it's not as hot.
It's not 80°. I wouldn't be able to touch it if it was 80°. And PLA only melts at 80. Oh, no. Wait. It melts quicker than that. But it's all right.
In case it melts, we have replacements.
This wheel, the wheel of time.
Okay.
This is a mess here.
Sticky mess.
Hm.
I would say okay.
Okay. The VAS I have not plugged VAS.
Why is that?
that drained drained uh the solder a little bit. There is like missing connection here, but it's re it's looking really good. So, this is actually better than expected.
I will I will touch up it a little bit, but not much needed there.
here.
Yeah, I guess this Yeah, this is good. It only looks like that because it was drained.
Um, can I have something of that sort?
Okay.
and hands.
Yeah, that's that's good.
I need to check if there is like uh if they they forgot to plug the VS because I think I selected plugged vs. Must need to check that spiky solder. Yeah.
Yeah. No, I thought I thought that's supposed to be that's supposed to be plugged vs or it would never designed like that.
So unfortunately that's uh something that I need to take care of.
Yeah. Look at that one.
It might be the issue why the tombstone in the first place.
Yeah.
Okay.
Looks gross. Now I don't want Yeah, I know.
Okay, now it's it's so hot.
Okay, it worked.
Yeah, that's good enough.
Um, I think I had them turned off in my settings because of the space restrictions, but that doesn't look good. Look at that. I don't like that at all.
Anyways, I don't see like there is bridges. I have some S balls here maybe.
Oh no. If there weren't bridges, I will add them.
No. Oh yeah, there is one. Caught one.
Yeah. um from the earlier designs. I just reused the settings.
Yeah, this is not uh not this tip.
Left side of chip.
Yeah, we fixed it. There is no bridges on left side of the chip. I don't know what you're talking about.
I need another tip, but I'm too lazy to switch now.
Okay. Where's my wick? Yeah, my I have a wick.
pointy pointy it is the angle maybe that's confusing you uh okay let me check where is my where's the wick Wick, where are you?
Huh?
Okay, wick is lost.
So, I just take a wire instead.
Take a wire.
Dude, that that is all all right. I don't know what you see.
Maybe we should enhance even more left side of chip.
It's all all fine.
That's the only bridge left.
Sorry.
Need more flux here.
I didn't I couldn't remember that I can zoom in that far.
Okay, here we go.
That's good. Next one. Okay.
Also, I need to check the resistors.
These are crucial for communication.
Yeah, that doesn't look look good here.
The ground was really especially with those pads um for the why I have the ground uh the no I mean the via in pad is because for decoupling decoupling uh capacitors it's recommended I got it recommended from from some engineers if they're kept.
Okay, that works with some flux. It works.
Oopsie.
Oh, I need the tweezers.
More. More soda. Here we go.
Now we talking.
Okay.
It's hovering midair or what?
But oh, there is there is one.
I found a sort of bridge. But using a stencil as a spatula worked worked out quite well, I must admit. Look at that.
It's uh just the right amount of Not enough s down there.
Here we go.
Okay, that looks all right.
Any bridges here? Nope.
No bridges here. No, this is What was this sound? And from outside, is there are there animals?
might be, but they don't don't matter.
Don't think so. Yeah, here. Yeah, you're right. We could clean that up a little.
Usually they wouldn't make any contact, but we can't put it in.
Oh, no. Now we Now we got we have the problem. We can't put this in the ultrasonic cleaner, though.
Oh, wow.
I bridged everything. Now more flux and cleaning the tip.
Oh, what? Oops.
My hair is getting in my way. Oh no, we lost everything.
Okay, you know what? I will get rid of here the excess soda.
by doing what I wanted to do anyways.
Let's move it away.
Okay.
wire.
Okay, this multistrand wire is already saturated.
Okay, that worked.
Okay, last check. And there are still some soda balls here, but I don't believe that will matter.
Oh, come on.
I just tend to mess up right now overdoing it. I should just plug it in and try it out. If it doesn't work, we'll find out quickly.
Oh, might be ground ping.
Yeah. Yeah, I think there is a ground pin.
That's why it's uh very reluctant.
Come on.
suck it away already.
Here we go.
Okay, I don't care about the solar balls as long there is no bridge, no hard bridge. Okay, this this one And I wanted to remove that one here as well.
Okay.
All right. I think uh this is good. Now we need some headers, do we?
Uh, we don't need this header though. We need this one.
That's USB.
Oh, you can see here.
And maybe and uh maybe some power power pins.
Okay, sombrero.
Let me get the headers because these are 2 mm headers that we got from shirt.
Bottom edge of which one?
There is nothing there.
Um Okay. Now, where did I put the shirt parts?
In here.
Oh, yeah. We have the USB.
Hey.
Ah.
Nothing.
Nothing.
Or do you mean this this edge? Nothing.
And nothing.
So now you can sleep well.
Ah, they're right here. Okay.
Okay. How many six pins?
I like 2 millimeter connectors. They they look less crude.
The They look less crude. This It seems like I could switch my designs to 2 mm connectors just to just annoy everyone.
But but I like uh they are a little bit more delicate, take less space.
Okay. How do I solder that?
I will switch the camera so you can see what I'm doing here.
Uh, plastina the keyword that we had from Caspa before here. I'll put some plasterina.
Okay.
I rather not have magic smoke on this project.
Of course, I start with ground here.
Wait, I wanted a JST connector there.
Oh no, what did I do?
Oh, well, it's not a J JSD connector anymore.
I mean, we can still But six pin JSD connectors. Wait, I might have bought them even.
Didn't I find like JST connectors uh somewhere in my parts?
Yeah. Anyways, some of the large things I guess we will live with with whatever we have here. And this is supposed to be the USB port.
Cool, huh?
That goes there.
Okay, we will do this one here.
But this is the last.
Yeah, I probably could.
You know what?
That's interesting.
I can I can put the connectors here everywhere and then basically turn it around.
How do I turn it around without they falling out?
But we can just make them like a like stands. I just need to be sure that I put them the right way around.
Like that.
And then we need on the other side.
Yeah, that's a USB connector.
That's the interface to the PC for now.
Not yet. I didn't solve that. I Uh I was lazy today and I really want to assemble something uh that's that has a higher priority.
Okay, I need really here this exhaust really close because yesterday is 400° was too much for me.
Let's get this section closer.
I will probably switch the soldering irons though.
Uh, I think this one doesn't even need that much power connection because that's of a high current uh thing here. Oh, that's that's not the ground me I I can always get 3.3 volts from elsewhere. Even from the uh PC power supply, I can't get like enough current maybe from that.
Uh but for a partial build it might be sufficient um higher priority is main board and the communication between the PCBs and what we still need to finish is um programming over SPI like firmware upload. I don't want to like touch the firmware anymore like the programming pins after I uploaded the first time. That is the highest priority.
Yeah, the ground is quite hefty.
can saw that well about the relief.
Well, there's here we go.
Oh, that was even capable of reflowing. I think that's going to be good enough. That's the first one.
Yeah, that's good enough.
as well.
Look at that.
You know what I want to do?
I want to solder on uh the connector here.
Um I hope we are right.
This is the side.
Oh, I might need like one more pin.
Okay, let's let's wave soldering.
Okay, these are the one the powers that we use these three to be able to test everything.
What is with this one?
Why doesn't that fit?
That one fits. Okay. So, these are the power lines that we need for this section to work.
[ __ ] dropped one.
Ah, go away.
Where's the one that I lost?
Okay, let's solder that first and the rest.
Health is more important than lighting.
Uh unfortunately the the PCB was like 200 50 five pieces was 250 but shipping was another 100 bucks plus import taxes.
Not import tax. Yeah, it was like I paid 450 for five PCBs.
Unfortunately, it's bigger than 40 cm.
Uh that's that's a hard limit. So, anything anything above that uh is considered oversized and they charge charge a lot for that or the up price is not even like that high like 50 bucks or something.
No, I shouldn't have because you need like we have high speed lines in between those.
I really don't want to mess around to get uh the communication going. Just want to have to everything steady on one PCB.
Maybe maybe you should have split it in four bits.
Yeah, true.
But do you know like you add like complexity that's um you save five 50 bucks on that but then you pay like for high speed cabling work, extra work, everything. uh more and more money and time. It's not worth it. It's not uh economical to save on the wrong spot.
Okay, this is that go away.
Yeah, maybe in the mode.
This is I think this one is dodgy.
Yeah, good one.
Okay, here we go.
Oh, good night to Shipu.
I might stream tomorrow again.
So, if you're want to join, but I'm not sure. I will probably try to get things done.
I really want to get to the coding part.
If I if I can get uh if we can until the weekend if we can get the firmware programming over over SPI then I will bring it to Oshua and we will do it together there.
Look at that. Isn't that cute?
Doesn't look like a lot.
And here are some power connectors.
Uh, now we only need the sockets.
I will do one socket and that's it for today.
I hope I didn't didn't mess up anything.
Yeah.
Oh, no.
The power pins are higher than uh then this this one need something to raise it.
Wait, wrong way around. W almost messed it up.
Ah, this is the wrong side.
This is the right side.
If I put it on the wrong side, then then we it will be a weird weird assembly.
Get the egg salt back in.
now. I can see this sitting.
Yeah. Oh, yeah. Double wait.
I need to be sure that this is like right right uh angle and everything because Oh, I found a ground pin.
This will be this soldering will be for demonstration purposes only. I need to check everything afterwards like I really need to soak it in flux.
Signal lines are the best solder.
No, that's the on the right side.
Otherwise, we got a problem.
Then then every like the cables and everything will be exposed.
At least we have a big hole in the center to root the cables, power cables, but the 3D view.
The only thing I got on the wrong side was uh the programming pins for the MCU.
That's a lot of pins.
In the final boat, I need to solder 128 of those connectors. Okay.
Okay, that's it.
Oh, my camera is my SD card is full.
Okay.
Peeps. Let's see how it looks.
Yeah, that doesn't fit. We need to get the proper a little glimpse.
16 times this.
Okay, thank you for watching.
This is a good a good a good starting point I would say.
I think I will solder everything outside because like this this Oh yeah people thank you. Thank you for this will be this will be I hope I hope we didn't mess up. I hope I mean I hope I didn't mess up.
Oh, this is crazy. Okay. Okay.
A little glimpse.
All right. I see you maybe tomorrow. Uh maybe on Friday. Not sure. Uh, I will try I will try to stream tomorrow um at slightly earlier but not not six maybe.
I'm not sure maybe seven uh sweet spot between uh so uh from now on in what is it uh 23 minus 4 in 20 hours round about 20 hours from now. All right, let's see. Bye-bye everyone. Have a good night.
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