JLCPCB solder paste stencil order and use

Thanks to JLCPCB for supporting this video.

Hi guys. This is a special video. JLCPCB is a professional PCB manufacturer and I've used their services for some time and now they sponsored this video. Even if they waren't my sponsors I could say that JLCPCB quality is really great and very cheap (20cnts/board).
Free shipping is NOT always available!!!!
If you do make electronics projects, you should definitelly make your own professional PCB and if youn use STENCIL, check the video.

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[ELECTRONOOBS]

Hi there guys. This is how I make my professional PCB and make my projects look a lot better.
Thank you so much!

[atpcreations]

A few minutes ago I learned how to make professional pcbs from great Scott.
Now you teach me how to solder the smd parts quickly by ordering the stencil from jlcpcb. You people's are simply superb 😘😘😘😘😘😘
Love u bro...😍

[Nono-hkis]

To hold the board in place under the stencil, I've just started doing the following: I trace the PCB outline in roughly the center of one of the the "wood" boards that it shipped with. Then I use a Dremel rotating tool with a small end mill bit, sitting in a router base (I made mine, but you can also buy them) to route out the outline of the PCB. The mill bit protrudes into the wood the same depth as the PCB. I use a chisel to square up the routed corners if needed. Then slip the PCB into the routed outline and set the stencil on top, line them up, and use clips around the edges to hold them in place.

I'm thinking about ways to index the stencil against the wood so that alignment is easier. A couple holes drilled through the stencil into the wood would work as long as it remains well aligned during drilling, and the pins or bolts filled the holes completely. Or I could use a smaller pin so that there is room to do fine adjustment, using clips to hold it in place.

Next time I order I will ask if they can put holes in the stencils that line up with holes in the rails added to the PCB panel. That would be ideal.

[jwrm]

Just a thought: The current version of your PCB has components on both sides. These are expensive to manufacturer.
You should try to create a PCB with all SMD on the same side so they don't need a second stencil and a second pass trough the Pick and place machine or oven.
With PCBs this size you should have no problem.

Keep the capacitor close to the component leads they are connected to. The C6 and C7 are likely useless at the moment as the (return) path it too long.
The crystal is very far from the micro-controller. Avoid vias in the clock line if possible.
These tips will help your circuit to function better and reduce trashed PCBs.

Keep in mind the PCBs you have here are leaded. You are not allowed to sell leaded electronics.
Lead free (RoHS) adds cost and complexity to the campaign. Please be mindful of them when doing a kickstarter.

[MIsam-fvkb]

i love this competition between Electronoobs and GreatScott both are great and every one show his best, this is good for US

[Arek_R.]

Thanks for mentioning the shipping price, other motherfuckers youtubers don't do it...

[scottkennedy]

Make your life easier and get some 1 inch blue foam (it is denser than the pink foam) from lowes, add a couple holes on the board, I have 1/8" steel pins that I sharpened so I add a couple holes that size in my board, then on the cream layer add a circle over the new holes so that they exactly cover the hole, this will make it so that the new holes are cut on the stencil. When it's time to apply paste put the board on the foam and the stencil on top and insert the sharpened pins into the foam for alignment. If you are doing several boards leave the pins in place and slide the board off of them. Make sure the holes are on the edge so you dont have to spread the paste around them.

[bernardthankachen]

Ten minutes ago I saw great Scott's new pcb video
Then yours
I think this is a nice day
Great videos!!!

[ingmarm]

I got a batch of boards from JLC about two weeks ago. Three days from ordering to arrival here in Australia so it was pretty impressive.

[kedarprabhudessai]

Another awesome video 👌👌 ... Everytime electronoobs and great Scott publish their videos at the same time.☺️

[jortz]

5:55 that annotation is misleading.
The fumes of solder do NOT contain lead (or tin). The fumes are the burning flux. Fumes of leaded solder are NOT more dangerous than the fumes of lead free solder, in fact, most of the time the fumes of lead-free solder are more dangerous. That is because tin(most lead free solders are 95% or more tin) is chemically more active than a tin-lead compound and the flux that has to be used has to react stronger.

[andrewdollins]

JLPCB makes great boards and solder masks. I have ordered 4 runs of each, and they were flawless. They are quick and efficient. I get the boards far faster than the local OSH park. They are better cheaper, and faster, give them a try and see what I am talking about. There is a shipping cost but, for a 4 layer with shipping price, and a small 10 run batch they are still cheaper than OSH park.

[Arbsg]

I have learnt a lot.
Your all video's are super and very helpful to learn to beginner's.
Thanks a lot

[minimus]

great video thank for the tips ill get the stencil ordered which I was worried id order it wrong but seeing this made it easier to understand, even for an electronic nerd like myself

[totandas]

Please make a video about different types of smd packages. It is very confusing to understand which one is good for hand soldering.

[chavezfamily]

You have no idea how much you have helped our capstone team!!!
What type of heat gun would you recommend?

[pkf]

Simple and straight forward video. Thanks.

[edslab]

I am here once watched Great Scott! video.

[franckbourdonnec]

Check how the weight of everything inflated at JLC. The stencil was 200gr in 2018, now the same is 800gr. And they probably didn't forget to add some packaging in the 2018/200gr !!!
Do order simul with a SMT job and be prepared for a 805 resistor = 1gr !

[hemantmundhe]

Nice demonstration and thanks to guidance.