PCB printer? Like a CNC?
In any case, yeah: PBC manufacturing -> pick 'n' place -> hot plate FTW.
If you're making a lot of stuff, get a conveyer belt style hot bed. They do the preferred heat profile of the solder, including warming it up slowly, heating it to whatever temperature for some specific time, and then letting it cool down at the appropriate rate.
I don't do all that. I just melt it and then turn it off. Works fine in practice.
I'd like to have a spare hot plate, and I could probably find at least 1 other person to go in on one.
The thing is we need to make at least 10 of them, minimum, for the cost to be reasonable. Making 3 units just isn't going to make sense, financially.
I mean, if some high roller wants to bankroll it anyway, I'll get to work, but my strike price is $40 or less.
If you have any through hole components (or as I like to call them, normal components), put those on last.
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#electronics #soldering #cybersecurity #infosec #cyber #diy #handmade
The hot plate or the Signet?
The person who made the hot plate isn't making them any more. But if enough people are interested in buying them, I'd be willing to do a run of them. I have the creator's permission and will give him a portion of the money for doing all the design work. Price would be between $40-$300/unit depending on how many units we can get people to order and how many things go wrong during production. (I've never built one of these before, so there'd absolutely be some SNAFUs)
That particular Signet is a prototype, so you can't buy that either, but you can get the current model on my store for BTC or the coop's store for fiat. https://hax0rbana.org/signet/
Then, unless you did it perfectly the first time, fix all your bridged pins and/or pins that are not connected.
It's hard to get the right amount of solder paste on there. This is also true if you are using a stencil!
Finally, put the board on a hot plate to melt the solder. Hot means 180°C in my case. Here's a before and after comparison.
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#m=image%2Fjpeg&dim=1920x1440&alt=Board+is+now+soldered&blurhash=%23BC%3FT79a%3FF9H-n9b%25M9bxa%7EqM%7DxtM%7CxtNHxaRkoeE0W%3FxZf%2CxaWBs%2BkCxtt6ofayj%5DWBj%5DRjoejs%25MRkkCRjoyt7bIaeRjt8jYfij%3Da%7BWBofWEWXt7xZRjxtM%7BV%40WCoza%7E&x=fac912cb5d32e985825ca509f700aa54f1ba16f622b4073dd67fd445361d2130
Then place you components, making sure to orient them correctly if needed.
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Anyone out there wonder how to hand make electronics?
If it's surface mount components, first you apply solder paste to the pads on the PCB. Here's me doing so with a straight pin.
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Don't worry, Nostr automatically filters out passwords. #hunter2
If you make a goofy post over #Nostr, remember to write GFY at the end to avoid any misunderstandings. #helpful #goofy #gfy
Team Fortress 2 would make my list.
And if I could get Warcraft 2 or Return To Castle Wolfenstein running on a modern computer, I'd totally rock those too.
Tempting, since I'm also in Illinois, but driving for three days straight and then taking a train home (I don't fly anymore) for another 2-3 days sounds like it's a lot more than I'm willing to tolerate.
What games would you play at a LAN party today?
OK, another $150 order for components. #Prorotying is expensive, but this new hardware rev is going to be awesome.
All the SMT parts are on the same side. That might not matter to you, but I hand assemble each one of these. This change means I don't have to try to solder things onto the back and prevent components from falling off the front.
I also standardized on 0603 (in) components and got ride of the 0402s (in) that I had in there.
Does anyone on here know what any of this means? If so, ping me so I can follow you.
I also have a suprise feature that I hope will work out. Keen observers might have already spotted it, but I don't want to announce it yet in case I can't get it to work.
Oh snaps! I fixed the short circuit, then I fixed the open circuit, and now it works. There are more changes to come, but it's a good start.
#m=image%2Fjpeg&dim=1920x1440&alt=A+prototype+Signet+sits+on+a+desk.+The+printed+v1.4+label+is+clearly+visible+on+the+PCB.&blurhash=%23KL%7B%7CTj%7B%24%7ERPnNRjs%2BWCoJm%2BD*M%7Ct7f%2Bt6WXoLWX%7E4a%24NMW%3DR.kBR-a%7CWX0PxUxVWEs.WYs%2CWXocb_S%25s%2CjEadn%24j%3FoeWW-NRkR.ofWEf5R*f6azIpsRf6X8ozbcofWXoe&x=63abfc99055674eba24b70eeb339a0b70d90d5a7bacaf2281d4cb1e7cb96e722
Also, I need to check for typos better. 😬🤦♂️🫣
I'm working on mynSognet stuff. Hardware security for your passwords/keys/seed recovery phrases.
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This one is a prototype and I have to admit, it's not going great.
Only came up once, briefly, and largely unrelated to inflation.
We did talk about 3D printing, renting/real estate, extraterrestrials, and someone brought about 15 issues of hard copies of the magazine from about 2003-2013.
The internet remembers.
https://www.flickr.com/photos/epitti/2744852094/
https://www.flickr.com/photos/tags/defcon2008/
I can't find one of the vending machine itself with a quick search, but I can probably dig up a picture or video if anyone is interested.
Excellent. We even had a sign this month.
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That's pretty cool, NGL. The DC949 crew hacked up a vending machine once and made it dispense free Brawndo. No joke.
It turns out, getting a machine to dispense 16 ounce cans when it was designed to dispense 12 oz cans is a good bit of work!