#Sell Electronic Components
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resionllc · 1 month ago
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Proactive Product and Supplier of Lifecycle Management – Stay Ahead of the Curve!
Resion offers cost-effective, proactive product and supplier lifecycle management solutions that help mitigate risks and maximize performance. Our scalable strategies ensure your electronic components meet the highest standards throughout their lifecycle. Keep your operations running seamlessly with Resion. Call 516-742-6300 for more information on how we can assist you with our services!
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foone · 1 year ago
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Does anyone remember what happened to Radio Shack?
They started out selling niche electronics supplies. Capacitors and transformers and shit. This was never the most popular thing, but they had an audience, one that they had a real lock on. No one else was doing that, so all the electronics geeks had to go to them, back in the days before online ordering. They branched out into other electronics too, but kept doing the electronic components.
Eventually they realize that they are making more money selling cell phones and remote control cars than they were with those electronic components. After all, everyone needs a cellphone and some electronic toys, but how many people need a multimeter and some resistors?
So they pivoted, and started only selling that stuff. All cellphones, all remote control cars, stop wasting store space on this niche shit.
And then Walmart and Target and Circuit City and Best Buy ate their lunch. Those companies were already running big stores that sold cellphones and remote control cars, and they had more leverage to get lower prices and selling more stuff meant they had more reasons to go in there, and they couldn't compete. Without the niche electronics stuff that had been their core brand, there was no reason to go to their stores. Everything they sold, you could get elsewhere, and almost always for cheaper, and probably you could buy 5 other things you needed while you were there, stuff Radio Shack didn't sell.
And Radio Shack is gone now. They had a small but loyal customer base that they were never going to lose, but they decided to switch to a bigger but more fickle customer base, one that would go somewhere else for convenience or a bargain. Rather than stick with what they were great at (and only they could do), they switched to something they were only okay at... putting them in a bigger pond with a lot of bigger fish who promptly out-competed them.
If Radio Shack had stayed with their core audience, who knows what would have happened? Maybe they wouldn't have made a billion dollars, but maybe they would still be around, still serving that community, still getting by. They may have had a small audience, but they had basically no competition for that audience. But yeah, we only know for sure what would happen if they decided to attempt to go more mainstream: They fail and die. We know for sure because that's what they did.
I don't know why I keep thinking about the story of what happened to Radio Shack. It just keeps feeling relevant for some reason.
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probablyasocialecologist · 2 months ago
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The supply chain capitalism of AI. This image partially captures the supply chain of AI as a global and complex phenomenon. Natural resources, components and materials to build AI infrastructure are extracted, shipped, manufactured and produced across the globe. For instance, NVIDIA obtains tungsten from Brazil; gold from Colombia and tantalum from Kazakhstan. Minerals are assembled to manufacture GPUs by TSMC. NVIDIA sells GPUs across data centres in the world. Given the refresh rates of these materials, data centres sent their components to recycle plants or dumps. The human labour wrapped-up in this chain includes, data labellers, logistics drivers, data scientists, miners, data centre operators and electronic waste dismantlers, who are also scattered across different geographies. Source: NVIDIA (2022) and fieldwork.
The supply chain capitalism of AI: a call to (re)think algorithmic harms and resistance through environmental lens
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neolithicsheep · 3 months ago
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Ok so you're looking at the aftermath of Helene and you're thinking "shit, how would I keep my phone charged? What about my neighbors?" and you have some outdoor space and some cash. Your friendly formerly off grid sheep farmer is here to help.
You need this set up right here:
To that you will need to add:
Y connectors:
The 100aH (amp Hour) deep cycle battery of your choice - lead acid AGM will be cheaper, lithium (LiFePo) is more expensive but lasts much longer.
Finally, you need a small pure sine wave inverter like this one: https://a.co/d/70vRd79
Plug the panels into the Y connectors then into the single wire to run to the charge controller. They are now connected in parallel. Take them outside to a sunny spot and face them south and prop them up at about a 45 degree angle. This isn't perfect but it will be good enough.
Connect your battery and charge controller. Connect the panels to the charge controller. All of the places to do this are labeled and all you need is a Phillips screwdriver. I recommend doing it once in a non-disaster situation so you know you can do it but you'll be fine. Boom, you are getting electricity from the sun!
The inverter draws power even when it's not running so don't leave it hooked up when you're not using it. When someone needs to charge their phone, put those alligator clips on the matching color battery posts, turn the inverter on, and plug in the phone/radio. Voilà! A single 100aH battery is not going to run a bunch of things but it will help keep cell phones charged without using up the gas in your car.
The panels are weatherproof but everything else needs to be protected by the way so you'll need to set this up in a shed or garage or in the house. Lead acid batteries can produce hydrogen gas when being charged but just having one isn't a big risk.
FAQ:
Yes, you can permanently mount the panels to your roof if you own your home etc. They're designed for that!
It is true that places sell "solar generators" - those are a charge controller, battery, and an inverter in one box at a very high price point. When a component goes bad you will be unable to replace the component and must replace the entire $1000 box. They are also not upgradeable or expandable, this is.
You do not have to buy Renogy, I recommend them because they kept me in electricity for the years I was off grid.
You do not have to buy the kit, you can buy the components of it as and when you can afford them!
Remember to keep your battery on a trickle charger.
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mostlysignssomeportents · 1 year ago
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Apple fucked us on right to repair (again)
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Today (September 22), I'm (virtually) presenting at the DIG Festival in Modena, Italy. Tonight, I'll be in person at LA's Book Soup for the launch of Justin C Key's "The World Wasn’t Ready for You." On September 27, I'll be at Chevalier's Books in Los Angeles with Brian Merchant for a joint launch for my new book The Internet Con and his new book, Blood in the Machine.
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Right to repair has no cannier, more dedicated adversary than Apple, a company whose most innovative work is dreaming up new ways to sneakily sabotage electronics repair while claiming to be a caring environmental steward, a lie that covers up the mountains of e-waste that Apple dooms our descendants to wade through.
Why does Apple hate repair so much? It's not that they want to poison our water and bodies with microplastics; it's not that they want to hasten the day our coastal cities drown; it's not that they relish the human misery that accompanies every gram of conflict mineral. They aren't sadists. They're merely sociopathically greedy.
Tim Cook laid it out for his investors: when people can repair their devices, they don't buy new ones. When people don't buy new devices, Apple doesn't sell them new devices. It's that's simple:
https://www.inverse.com/article/52189-tim-cook-says-apple-faces-2-key-problems-in-surprising-shareholder-letter
So Apple does everything it can to monopolize repair. Not just because this lets the company gouge you on routine service, but because it lets them decide when your phone is beyond repair, so they can offer you a trade-in, ensuring both that you buy a new device and that the device you buy is another Apple.
There are so many tactics Apple gets to use to sabotage repair. For example, Apple engraves microscopic Apple logos on the subassemblies in its devices. This allows the company to enlist US Customs to seize and destroy refurbished parts that are harvested from dead phones by workers in the Pacific Rim:
https://repair.eu/news/apple-uses-trademark-law-to-strengthen-its-monopoly-on-repair/
Of course, the easiest way to prevent harvested components from entering the parts stream is to destroy as many old devices as possible. That's why Apple's so-called "recycling" program shreds any devices you turn over to them. When you trade in your old iPhone at an Apple Store, it is converted into immortal e-waste (no other major recycling program does this). The logic is straightforward: no parts, no repairs:
https://www.vice.com/en/article/yp73jw/apple-recycling-iphones-macbooks
Shredding parts and cooking up bogus trademark claims is just for starters, though. For Apple, the true anti-repair innovation comes from the most pernicious US tech law: Section 1201 of the Digital Millennium Copyright Act (DMCA).
DMCA 1201 is an "anti-circumvention" law. It bans the distribution of any tool that bypasses "an effective means of access control." That's all very abstract, but here's what it means: if a manufacturer sticks some Digital Rights Management (DRM) in its device, then anything you want to do that involves removing that DRM is now illegal – even if the thing itself is perfectly legal.
When Congress passed this stupid law in 1998, it had a very limited blast radius. Computers were still pretty expensive and DRM use was limited to a few narrow categories. In 1998, DMCA 1201 was mostly used to prevent you from de-regionalizing your DVD player to watch discs that had been released overseas but not in your own country.
But as we warned back then, computers were only going to get smaller and cheaper, and eventually, it would only cost manufacturers pennies to wrap their products – or even subassemblies in their products – in DRM. Congress was putting a gun on the mantelpiece in Act I, and it was bound to go off in Act III.
Welcome to Act III.
Today, it costs about a quarter to add a system-on-a-chip to even the tiniest parts. These SOCs can run DRM. Here's how that DRM works: when you put a new part in a device, the SOC and the device's main controller communicate with one another. They perform a cryptographic protocol: the part says, "Here's my serial number," and then the main controller prompts the user to enter a manufacturer-supplied secret code, and the master controller sends a signed version of this to the part, and the part and the system then recognize each other.
This process has many names, but because it was first used in the automotive sector, it's widely known as VIN-Locking (VIN stands for "vehicle identification number," the unique number given to every car by its manufacturer). VIN-locking is used by automakers to block independent mechanics from repairing your car; even if they use the manufacturer's own parts, the parts and the engine will refuse to work together until the manufacturer's rep keys in the unlock code:
https://pluralistic.net/2023/07/24/rent-to-pwn/#kitt-is-a-demon
VIN locking is everywhere. It's how John Deere stops farmers from fixing their own tractors – something farmers have done literally since tractors were invented:
https://pluralistic.net/2022/05/08/about-those-kill-switched-ukrainian-tractors/
It's in ventilators. Like mobile phones, ventilators are a grotesquely monopolized sector, controlled by a single company Medtronic, whose biggest claim to fame is effecting the world's largest tax inversion in order to manufacture the appearance that it is an Irish company and therefore largely untaxable. Medtronic used the resulting windfall to gobble up most of its competitors.
During lockdown, as hospitals scrambled to keep their desperately needed supply of ventilators running, Medtronic's VIN-locking became a lethal impediment. Med-techs who used donor parts from one ventilator to keep another running – say, transplanting a screen – couldn't get the device to recognize the part because all the world's civilian aircraft were grounded, meaning Medtronic's technicians couldn't swan into their hospitals to type in the unlock code and charge them hundreds of dollars.
The saving grace was an anonymous, former Medtronic repair tech, who built pirate boxes to generate unlock codes, using any housing they could lay hands on to use as a case: guitar pedals, clock radios, etc. This tech shipped these gadgets around the world, observing strict anonymity, because Article 6 of the EUCD also bans circumvention:
https://pluralistic.net/2020/07/10/flintstone-delano-roosevelt/#medtronic-again
Of course, Apple is a huge fan of VIN-locking. In phones, VIN-locking is usually called "serializing" or "parts-pairing," but it's the same thing: a tiny subassembly gets its own microcontroller whose sole purpose is to prevent independent repair technicians from fixing your gadget. Parts-pairing lets Apple block repairs even when the technician uses new, Apple parts – but it also lets Apple block refurb parts and third party parts.
For many years, Apple was the senior partner and leading voice in blocking state Right to Repair bills, which it killed by the dozen, leading a coalition of monopolists, from Wahl (who boobytrap their hair-clippers with springs that cause their heads irreversibly decompose if you try to sharpen them at home) to John Deere (who reinvented tenant farming by making farmers tenants of their tractors, rather than their land).
But Apple's opposition to repair eventually became a problem for the company. It's bad optics, and both Apple customers and Apple employees are volubly displeased with the company's ecocidal conduct. But of course, Apple's management and shareholders hate repair and want to block it as much as possible.
But Apple knows how to Think Differently. It came up with a way to eat its cake and have it, too. The company embarked on a program of visibly support right to repair, while working behind the scenes to sabotage it.
Last year, Apple announced a repair program. It was hilarious. If you wanted to swap your phone's battery, all you had to do was let Apple put a $1200 hold on your credit card, and then wait while the company shipped you 80 pounds' worth of specialized tools, packed in two special Pelican cases:
https://pluralistic.net/2022/05/22/apples-cement-overshoes/
Then, you swapped your battery, but you weren't done! After your battery was installed, you had to conference in an authorized Apple tech who would tell you what code to type into a laptop you tethered to the phone in order to pair it with your phone. Then all you had to do was lug those two 40-pound Pelican cases to a shipping depot and wait for Apple to take the hold off your card (less the $120 in parts and fees).
By contrast, independent repair outfits like iFixit will sell you all the tools you need to do your own battery swap – including the battery! for $32. The whole kit fits in a padded envelope:
https://www.ifixit.com/products/iphone-x-replacement-battery
But while Apple was able to make a showy announcement of its repair program and then hide the malicious compliance inside those giant Pelican cases, sabotaging right to repair legislation is a lot harder.
Not that they didn't try. When New York State passed the first general electronics right-to-repair bill in the country, someone convinced New York Governor Kathy Hochul to neuter it with last-minute modifications:
https://arstechnica.com/gadgets/2022/12/weakened-right-to-repair-bill-is-signed-into-law-by-new-yorks-governor/
But that kind of trick only works once. When California's right to repair bill was introduced, it was clear that it was gonna pass. Rather than get run over by that train, Apple got on board, supporting the legislation, which passed unanimously:
https://www.ifixit.com/News/79902/apples-u-turn-tech-giant-finally-backs-repair-in-california
But Apple got the last laugh. Because while California's bill contains many useful clauses for the independent repair shops that keep your gadgets out of a landfill, it's a state law, and DMCA 1201 is federal. A state law can't simply legalize the conduct federal law prohibits. California's right to repair bill is a banger, but it has a weak spot: parts-pairing, the scourge of repair techs:
https://www.ifixit.com/News/69320/how-parts-pairing-kills-independent-repair
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Every generation of Apple devices does more parts-pairing than the previous one, and the current models are so infested with paired parts as to be effectively unrepairable, except by Apple. It's so bad that iFixit has dropped its repairability score for the iPhone 14 from a 7 ("recommend") to a 4 (do not recommend):
https://www.ifixit.com/News/82493/we-are-retroactively-dropping-the-iphones-repairability-score-en
Parts-pairing is bullshit, and Apple are scum for using it, but they're hardly unique. Parts-pairing is at the core of the fuckery of inkjet printer companies, who use it to fence out third-party ink, so they can charge $9,600/gallon for ink that pennies to make:
https://www.eff.org/deeplinks/2020/11/ink-stained-wretches-battle-soul-digital-freedom-taking-place-inside-your-printer
Parts-pairing is also rampant in powered wheelchairs, a heavily monopolized sector whose predatory conduct is jaw-droppingly depraved:
https://uspirgedfund.org/reports/usp/stranded
But if turning phones into e-waste to eke out another billion-dollar stock buyback is indefensible, stranding people with disabilities for months at a time while they await repairs is so obviously wicked that the conscience recoils. That's why it was so great when Colorado passed the nation's first wheelchair right to repair bill last year:
https://www.eff.org/deeplinks/2022/06/when-drm-comes-your-wheelchair
California actually just passed two right to repair bills; the other one was SB-271, which mirrors Colorado's HB22-1031:
https://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240SB271
This is big! It's momentum! It's a start!
But it can't be the end. When Bill Clinton signed DMCA 1201 into law 25 years ago, he loaded a gun and put it on the nation's mantlepiece and now it's Act III and we're all getting sprayed with bullets. Everything from ovens to insulin pumps, thermostats to lightbulbs, has used DMCA 1201 to limit repair, modification and improvement.
Congress needs to rid us of this scourge, to let us bring back all the benefits of interoperability. I explain how this all came to be – and what we should do about it – in my new Verso Books title, The Internet Con: How to Seize the Means of Computation.
https://www.versobooks.com/products/3035-the-internet-con
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If you'd like an essay-formatted version of this post to read or share, here's a link to it on pluralistic.net, my surveillance-free, ad-free, tracker-free blog:
https://pluralistic.net/2023/09/22/vin-locking/#thought-differently
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Image: Mitch Barrie (modified) https://commons.wikimedia.org/wiki/File:Daytona_Skeleton_AR-15_completed_rifle_%2817551907724%29.jpg
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wirewitchviolet · 1 year ago
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How a Computer Works - Part 1 (Components)
I am about to teach you on a real fundamental, connecting up electronic components level, how a computer actually works. Before I get into the meat of this though (you can just skip down below the fold if you don't care), here's the reasons I'm sitting doing so in this format:
Like a decade or two ago, companies Facebook pushed this whole "pivot to video" idea on the whole internet with some completely faked data, convincing everyone that everything had to be a video, and we need to start pushing back against that. Especially for stuff like complex explanations of things or instructions, it's much more efficient to just explain things clearly in text, maybe with some visual aids, so people can easily search, scan, and skip around between sections. It's also a hell of a lot easier to host things long term, and you can even print out a text based explainer and not need a computer to read it, keep it on a desk, highlight it, etc.
People are so clueless about how computers actually work that they start really thinking like it's all magical. Even programmers. Aside from how proper knowledge lets you get more out of them, this leads to people spouting off total nonsense about "teaching sand to think" or "everything is just 1s and 0s" or "this 'AI' a con artist who was trying to sell me NFTs a month ago probably really is an amazing creative thinking machine that can do everything he says!"
We used to have this cultural value going where it was expected that if you owned something and used it day to day, you'd have enough basic knowledge of how it worked that if it stopped working you could open it up, see what was wrong, and maybe fix it on your own, or maybe even put one together again from scratch, and that's obviously worth bringing back.
I'm personally working on a totally bonkers DIY project and I'd like to hype up like-minded people for when it gets farther along.
So all that said, have a standard reminder that I am completely reliant on Patreon donations to survive, keep updating this blog, and ideally start getting some PCBs and chips and a nice oscilloscope to get that mystery project off the ground.
Electricity probably doesn't work like how you were taught (and my explanation shouldn't be trusted too far either).
I remember, growing up, hearing all sorts of things about electricity having this sort of magical ability to always find the shortest possible path to where it needs to get, flowing like water, and a bunch of other things that are kind of useful for explaining how a Faraday cage or a lightning rod works, and not conflicting with how simple electronics will have a battery and then a single line of wire going through like a switch and a light bulb or whatever back to the other end of the battery.
If you had this idea drilled into your head hard enough, you might end up thinking that if we have a wire hooked to the negative end of a battery stretching off to the east, and another wire stretching off to the east from the positive end, and we bridge between the two in several places with an LED or something soldered to both ends, only the westernmost one is going to light up, because hey, the shortest path is the one that turns off as quickly as possible to connect to the other side, right? Well turns out no, all three are going to light up, because that "shortest path" thing is a total misunderstanding.
Here's how it actually works, roughly. If you took basic high school chemistry, you learned about how the periodic table is set up, right? A given atom, normally, has whatever number of protons in the core, and the same number of electrons, whipping all over around it, being attracted to those protons but repelled by each other, and there's particular counts of electrons which are super chill with that arrangement so we put those elements in the same column as each other, and then as you count up from those, you get the elements between those either have some electrons that don't fit all tight packed in the tight orbit and just kinda hang out all wide and lonely and "want to" buddy up with another atom that has more room, up to the half full column that can kinda go either way, then as we approach the next happy number they "want to" have a little more company to get right to that cozy tight packed number, and when you have "extra" electrons and "missing" electrons other atoms kinda cozy up and share so they hit those good noble gas counts.
I'm sure real experts want to scream at me for both that and this, but this is basically how electricity works. You have a big pile of something at the "positive" end that's "missing electrons" (for the above reason or maybe actually ionized so they really aren't there), and a "negative" end that's got spares. Then you make wires out of stuff from those middle of the road elements that have awkward electron counts and don't mind buddying up (and also high melting points and some other handy qualities) and you hook those in there. And the electron clouds on all the atoms in the wire get kinda pulled towards the positive side because there's more room over there, but if they full on leave their nucleus needs more electron pals, so yeah neighbors get pulled over, and the whole wire connected to the positive bit ends up with a positive charge to it, and the whole wire on the negative bit is negatively charged, and so yeah, anywhere you bridge the gap between the two, the electrons are pretty stoked about balancing out these two big awkward compromises and they'll start conga lining over to balance things out, and while they're at it they'll light up lights or shake speakers or spin motors or activate electromagnets or whatever other rad things you've worked out how to make happen with a live electric current.
Insulators, Resistors, Waves, and Capacitors
Oh and we typically surround these wires made of things that are super happy about sharing electrons around with materials that are very much "I'm good, thanks," but this isn't an all or nothing system and there's stuff you can connect between the positive and negative ends of things that still pass the current along, but only so much so fast. We use those to make resistors, and those are handy because sometimes you don't want to put all the juice you have through something because it would damage it, and having a resistor anywhere along a path you're putting current through puts a cap on that flow, and also sometimes you might want a wire connected to positive or negative with a really strong resistor so it'll have SOME sort of default charge, but if we get a free(r) flowing connection attached to that wire somewhere else that opens sometimes, screw that little trickle going one way, we're leaning everyone the other way for now.
The other thing with electricity is is that the flow here isn't a basic yes/no thing. How enthusiastically those electrons are getting pulled depends on the difference in charge at the positive and negative ends, and also if you're running super long wires then even if they conduct real good, having all that space to spread along is going to kinda slow things to a trickle, AND the whole thing is kinda going to have some inherent bounciness to it both because we're dealing with electrons whipping and spinning all over and because, since it's a property that's actually useful for a lot of things we do with electricity, the power coming out of the wall has this intentional wobbly nature because we've actually got this ridiculous spinny thing going on that's constantly flip flopping which prong of the socket is positive and which is negative and point is we get these sine waves of strength by default, and they kinda flop over if we're going really far.
Of course there's also a lot of times when you really want to not have your current flow flickering on and off all the time, but hey fortunately one of the first neat little electronic components we ever worked out are capacitors... and look, I'm going to be straight with you. I don't really get capacitors, but the basic idea is you've got two wires that go to big wide plates, and between those you have something that doesn't conduct the electricity normally, but they're so close the electromagnetic fields are like vibing, and then if you disconnect them from the flow they were almost conducting and/or they get charged to their limit, they just can't deal with being so charged up and they'll bridge their own gap and let it out. So basically you give them electricity to hold onto for a bit then pass along, and various sizes of them are super handy if you want to have a delay between throwing a switch and having things start doing their thing, or keeping stuff going after you break a connection, or you make a little branching path where one branch connects all regular and the other goes through a capacitor, and the electricity which is coming in in little pulses effectively comes out as a relatively steady stream because every time it'd cut out the capacity lets its charge go.
We don't just have switches, we have potentiometers.
OK, so... all of the above is just sort of about having a current and maybe worrying about how strong it is, but other than explaining how you can just kinda have main power rails running all over, and just hook stuff across them all willy-nilly rather than being forced to put everything in one big line, but still, all you can do with that is turn the whole thing on and off by breaking the circuit. Incidentally, switches, buttons, keys, and anything else you use to control the behavior of any electronic device really are just physically touching loose wires together or pulling them apart... well wait no, not all, this is a good bit to know.
None of this is actually pass/fail, really, there's wave amplitudes and how big a difference we have between the all. So when you have like, a volume knob, that's a potentiometer, which is a simple little thing where you've got your wire, it's going through a resistor, and then we have another wire we're scraping back and forth along the resistor, using a knob, usually, and the idea is the current only has to go through X percent of the resistor to get to the wire you're moving, which proportionately reduces the resistance. So you have like a 20 volt current, you've got a resistor that'll drop that down to 5 or so, but then you move this other wire down along and you've got this whole dynamic range and you can fine tune it to 15 or 10 or whatever coming down that wire. And what's nice about this again, what's actually coming down the wire is this wobbily wave of current, it's not really just "on" or "off, and as you add resistance, the wobble stays the same, it's just the peaks and valleys get closer to being just flat. Which is great if you're making, say, a knob to control volume, or brightness, or anything you want variable intensity in really.
Hey hey, it's a relay!
Again, a lot of the earliest stuff people did with electronics was really dependent on that analog wobbly waveform angle. Particularly for reproducing sound, and particularly the signals of a telegraph. Those had to travel down wires for absurd distances, and as previously stated, when you do that the signal is going to eventually decay to nothing. But then someone came up with this really basic idea where every so often along those super long wires, you set something up that takes the old signal and uses it to start a new one. They called them relays, because you know, it's like a relay race.
If you know how an electromagnet works (something about the field generated when you coil a bunch of copper wire around an iron core and run an electric current through it), a relay is super simple. You've got an electromagnet in the first circuit you're running, presumably right by where it's going to hit the big charged endpoint, and that magnetically pulls a tab of metal that's acting as a switch on a new circuit. As long as you've got enough juice left to activate the magnet, you slam that switch and voom you've got all the voltage you can generate on the new line.
Relays don't get used too much in other stuff, being unpopular at the time for not being all analog and wobbily (slamming that switch back and forth IS going to be a very binary on or off sorta thing), and they make this loud clacking noise that's actually just super cool to hear in devices that do use them (pinball machines are one of the main surviving use cases I believe) but could be annoying in some cases. What's also neat is that they're a logical AND gate. That is, if you have current flowing into the magnet, AND you have current flowing into the new wire up to the switch, you have it flowing out through the far side of the switch, but if either of those isn't true, nothing happens. Logic gates, to get ahead of myself a bit, are kinda the whole thing with computers, but we still need the rest of them. So for these purposes, relays re only neat if it's the most power and space efficient AND gate you have access to.
Oh and come to think of it, there's no reason we need to have that magnet closing the circuit when it's doing its thing. We could have it closed by default and yank it open by the magnet. Hey, now we're inverting whatever we're getting on the first wire! Neat!
Relay computers clack too loud! Gimme vacuum tubes!
So... let's take a look at the other main thing people used electricity for before coming up with the whole computer thing, our old friend the light bulb! Now I already touched a bit on the whole wacky alternating current thing, and I think this is actually one of the cases that eventually lead to it being adopted so widely, but the earliest light bulbs tended to just use normal direct current, where again, you've got the positive end and the negative end, and we just take a little filament of whatever we have handy that glows when you run enough of a current through it, and we put that in a big glass bulb and pump out all the air we can, because if we don't, the oxygen in there is probably going to change that from glowing a bit to straight up catching on fire and burning immediately.
But, we have a new weird little problem, because of the physics behind that glowing. Making something hot, on a molecular level, is just kinda adding energy to the system so everything jitters around more violently, and if you get something hot enough that it glows, you're getting it all twitchy enough for tinier particles to just fly the hell off it. Specifically photons, that's the light bit, but also hey, remember, electrons are just kinda free moving and whipping all over looking for their naked proton pals... and hey, inside this big glass bulb, we've got that other end of the wire with the more positive charge to it. Why bother wandering up this whole coily filament when we're in a vacuum and there's nothing to get in the way if we just leap straight over that gap? So... they do that, and they're coming in fast and on elliptical approaches and all, so a bunch of electrons overshoot and smack into the glass on the far side, and now one side of every light bulb is getting all gross and burnt from that and turning all brown and we can't have that.
So again, part of the fix is we switched to alternating current so it's at least splitting those wild jumps up to either side, but before that, someone tried to solve this by just... kinda putting a backboard in there. Stick a big metal plate on the end of another wire in the bulb connected to a positive charge, and now OK, all those maverick electrons smack into here and aren't messing up the glass, but also hey, this is a neat little thing. Those electrons are making that hop because they're all hot and bothered. If we're not heating up the plate they're jumping to, and there's no real reason we'd want to, then if we had a negative signal over on that side... nothing would happen. Electrons aren't getting all antsy and jumping back.
So now we have a diode! The name comes because we have two (di-) electrodes (-ode) we care about in the bulb (we're just kind of ignoring the negative one), and it's a one way street for our circuit. That's useful for a lot of stuff, like not having electricity flow backwards through complex systems and mess things up, converting AC to DC (when it flips, current won't flow through the diode so we lop off the bottom of the wave, and hey, we can do that thing with capacitors to release their current during those cutoffs, and if we're clever we can get a pretty steady high).
More electrodes! More electrodes!
So a bit after someone worked out this whole vacuum tube diode thing, someone went hey, what if it was a triode? So, let's stick another electrode in there, and this one just kinda curves around in the middle, just kinda making a grate or a mesh grid, between our hot always flowing filament and that catch plate we're keeping positively charged when it's doing stuff. Well this works in a neat way. If there's a negative charge on it, it's going to be pushing back on those electrons jumping over, and if there's a positive charge on it, it's going to help pull those electrons over (it's all thin, so they're going to shoot right past it, especially if there's way more of a positive charge over on the plate... and here's the super cool part- This is an analog thing. If we have a relatively big negative charge, it's going to repel everything, if it's a relatively big positive, it's going to pull a ton across, if it's right in the middle, it's like it wasn't even in there, and you can have tiny charges for all the gradients in between.
We don't need a huge charge for any of this though, because we're just helping or hindering the big jump from the high voltage stuff, and huh, weren't we doing this whole weak current controlling a strong current thing before with the relay? We were! And this is doing the same thing! Except now we're doing it all analog style, not slapping switch with a magnet, and we can make those wavy currents peak higher or lower and cool, now we can have phone lines boost over long distances too, and make volume knobs, and all that good stuff.
The relay version of this had that cool trick though where you could flip the output. Can we still flip the output? We sure can, we just need some other toys in the mix. See we keep talking about positive charges and negative charges at the ends of our circuits, but these are relative things. I mentioned way back when how you can use resistors to throttle how much of a current we've got, so you can run two wires to that grid in the triode. One connects to a negative charge and the other positive, with resistors on both those lines, and a switch that can break the connection on the positive end. If the positive is disconnected, we've got a negative charge on the grid, since it's all we've got, but if we connect it, and the resistor to the negative end really limits flow, we're positive in the section the grid's in. And over on the side with the collecting plate, we branch off with another resistor setup so the negative charge on that side is normally the only viable connection for a positive, but when we flip the grid to positive, we're jumping across the gap in the vacuum tube, and that's a big open flow so we'll just take those electrons instead of the ones that have to squeeze through a tight resistor to get there.
That explanation is probably a bit hard to follow because I'm over here trying to explain it based on how the electrons are actually getting pulled around. In the world of electronics everyone decided to just pretend the flow is going the other way because it makes stuff easier to follow. So pretend we have magical positrons that go the other way and if they have nothing better to do they go down the path where we have all the fun stuff further down the circuit lighting lights and all that even though it's a tight squeeze through a resistor, because there's a yucky double negative in the triode and that's worse, but we have the switch rigged up to make that a nice positive go signal to the resistance free promised land with a bonus booster to cut across, so we're just gonna go that way when the grid signal's connected.
Oh and you can make other sorts of logic circuits or double up on them in a single tube if you add more grids and such, which we did for a while, but not really relevant these days.
Cool history lesson but I know there's no relays or vacuum tubes in my computer.
Right, so the above things are how we used to make computers, but they were super bulky, and you'd have to deal with how relays are super loud and kinda slow, and vacuum tubes need a big power draw and get hot. What we use instead of either of those these days are transistors. See after spending a good number of years working out all this circuit flow stuff with vacuum tubes we eventually focused on how the real important thing in all of this is how with the right materials you can make a little juncture where current flows between a positive and negative charge if a third wire going in there is also positively charged, but if it's negatively charged we're pulling over. And turns out there is a WAY more efficient way of doing that if you take a chunk of good ol' middle of the electron road silicon, and just kinda lightly paint the side of it with just the tiniest amount of positive leaning and negative leaning elements on the sides.
Really transistors don't require understanding anything new past the large number of topics already covered here, they're just more compact about it. Positive leaning bit, negative leaning bit, wildcard in the middle, like a vacuum tube. Based on the concepts of pulling electrons around from chemistry, like a circuit in general. The control wire in the middle kinda works in just a pass-fail sort of way, like a relay. They're just really nice compared to the older alternatives because they don't make noise or have moving parts to wear down, you don't have to run enough current through them for metal to start glowing and the whole room to heat up, and you can make them small. Absurdly small. Like... need an electron microscope to see them small.
And of course you can also make an inverter super tiny like that, and a diode (while you're at it you can use special materials or phosphors to make them light emitting, go LEDs!) and resistors can get pretty damn small if you just use less of a more resistant material, capacitors I think have a limit to how tiny you can get, practically, but yeah, you now know enough of the basic fundamentals of how computers work to throw some logic gates together. We've covered how a relay, triode, or transistor function as an AND gate. An OR gate is super easy, you just stick diodes on two wires so you don't have messy backflow then connect them together and lead off there. If you can get your head around wiring up an inverter (AKA NOT), hey, stick one after an AND to get a NAND, or an OR to get a NOR. You can work out XOR and XNOR from there right? Just build 4 NANDs, pass input A into gates 1 and 2, B into 2 and 3, 2's output into 1 and 3, 1 and 3's output into 4 for a XOR, use NORs instead for a XNOR. That's all of them right? So now just build a ton of those and arrange them into a computer. It's all logic and math from there.
Oh right. It's... an absurd amount of logic and math, and I can only fit so many words in a blog post. So we'll have to go all...
CONTINUED IN PART 2!
Meanwhile, again, if you can spare some cash I'd really appreciate it.
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felassan · 1 month ago
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Article from Bloomberg by Jason Schreier, under a cut due to length.
"New ‘Dragon Age’ Game Faced Turbulent Development The studio head of EA’s BioWare says ‘Dragon Age: The Veilguard’ received nothing but support from EA throughout its lengthy production cycle EA’s BioWare label hopes to find redemption with the release of Dragon Age: The Veilguard Today we’re getting in-depth on the new Dragon Age game A new age for dragons In late 2020, when Gary McKay took over as studio head of BioWare, the Electronic Arts Inc. subsidiary best known for making big roleplaying games, the climate was dire. BioWare, which is headquartered in Edmonton, Alberta, had released two critically panned games and was facing turbulent development on a new one — while trying to cope with a worldwide pandemic. “We needed to shift how we were thinking about building our games,” McKay told me in a recent interview. BioWare, founded in 1995 and purchased by EA in 2007, had won over millions of fans with hit single-player RPG franchises such as Dragon Age and Mass Effect. But a 2017 entry called Mass Effect: Andromeda was widely panned, and the studio’s next game, the 2019 multiplayer shooter Anthem, flopped both critically and commercially. Both games had also gone through brutal development cycles that drove many BioWare veterans to exit the studio. At the end of 2020, studio boss Casey Hudson was planning to step down and called McKay to ask if he would take over. “We had a few conversations over the course of the next month around the people and the culture,” McKay said. BioWare’s next big project would be a new game in the popular fantasy Dragon Age franchise. But the game, which had been in development for years, was facing turmoil and had been rebooted from a single-player game into a live-service game with a heavy multiplayer component, which EA had been pushing across many of its subsidiaries in the late 2010s. Hudson, too, was interested in multiplayer games and had been the lead visionary on Anthem. Some employees jeeringly referred to the next Dragon Age as “Anthem with dragons,” which worried fans after I reported on the game at Kotaku. Enthusiasts of the series wanted another single-player game, not a repeat of BioWare’s biggest mistake. When he took over, McKay began to feel similarly. “We were thinking, ‘Does this make sense, does this play into our strengths, or is this going to be another challenge we have to face?’” McKay said. “No, we need to get back to what we’re really great at.” In the months that followed, McKay met with leadership across BioWare and EA and ultimately decided to reboot the next Dragon Age a second time, pivoting back to single-player."
The choice was obvious in many ways. Anthem had flopped while EA’s Star Wars Jedi: Fallen Order, a single-player action-adventure game, had sold more than 10 million copies, helping prove to the publisher that not all of its games needed to be online. BioWare games were popular because of their focus on character dialogue and player-driven narrative decisions, which did not mesh with multiplayer gaming. “Once we made that decision, a lot of things started to fall into place,” McKay said. In the years that followed, he would go on to consolidate more of the studio’s projects, shutting down an attempt to reboot Anthem and selling off the rights to the online game Star Wars: The Old Republic to a separate studio. The goal, McKay said, was “focus.” BioWare then spent the next three-and-a-half years developing what would become Dragon Age: The Veilguard, the fourth game in the franchise. Out this week, the game has received mostly positive reviews and so far topped charts, although EA has not yet revealed sales numbers. Some things went right during development. McKay said they “had the game end-to-end playable” earlier than any previous BioWare product, allowing them to spend extra time iterating. A reorganization at EA, which split the company into divisions called EA Games and EA Sports, allowed Dragon Age: The Veilguard to receive more support from internal teams that might otherwise be stretched thin, such as research and data insights groups. “That gave us an extra boost in terms of the support and focus from the company,” McKay said. But the development of Dragon Age: The Veilguard still faced plenty of obstacles. The pandemic led BioWare to shift to hiring remotely, which McKay said made for cultural challenges. The game slipped past its original target date, although McKay wouldn’t say how much extra time it needed. “I’m never going to call it a slip,” he said. And it went through significant scope changes over the course of development. Then, last summer, BioWare laid off 50 people, including veterans with decades of experience. McKay told me the reduction, which arrived during a period of widespread layoffs across the video-game industry, “was all about focus at that time.” “When you have a really large team, you’re always compelled to keep everybody busy all the time,” he said. “When you have a smaller team, you have the right people in the right roles at the right time, some incredible momentum is gained at that point.” The stakes are high for the release of Dragon Age: The Veilguard. Fans and pundits have worried that a third failure in a row might have devastating results for BioWare. McKay wouldn’t comment on the specifics of what would make the game a hit in their eyes. But said he has felt supported by EA Entertainment & Technology President Laura Miele. The game is so important to BioWare’s future that the company brought in its second team, which has been incubating a new Mass Effect, to help out during the final stretch of development. The Mass Effect team played a major role in finishing and polishing Dragon Age: The Veilguard. Other companies across EA, such as its Motive studio in Montreal, also supported the game. Now, the company will look to see how players react to the next Dragon Age — and, McKay hopes, “bring BioWare back into the conversation as a top game studio.”
[source]
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sirfrogsworth · 3 months ago
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Grampa's Antique Fan (2015 vs 2024 Edit)
As a young man, after coming home from the Second World War, my grampa got a job as an electrician for Emerson Electric. He didn't work on the actual electrical products. He just maintained the electrical systems that power the tools to make electrical components.
It was a "I heard you need electricity for your electricity" type deals.
The company was founded in 1890 in nearby Ferguson, Missouri by John Wesley Emerson. He was a Union commander in the Civil War and a lawyer and then a judge and then an author and then a historian... so he was clearly qualified to run one of the first electronics companies. (This is currently referred to as the "Law of Elon".)
Emerson (the company, not the dude) specialized in electric motors and was the first to stick their motors in a fan and sell them.
As you can see by the 4 protective fan guard loopies, these were very safe for kids to be around.
I mean, the biggest thing you could shove in there is a baby arm, which is the least important part of a baby. No baby heads were chopped off—which was the bar for consumer safety during that era.
Fans are rated by the volume of air they can push over a period of time and your average box fan can push about 1400 cubic feet per minute or "CFM". When this Emerson (the fan, not the dude) was produced they actually used "CCH" or cubic cubits per hour. Emerson (the dude) loved using odd standards of measurement much to the chagrin of his engineers.
Due to the small surface area, weak angle of attack, and heavy metal blades, this electronic beast could only push a baker's dozen cubic cubits per baker's hour—which was a confusing metric of time because people were very superstitious and they refused to put the 13 on the baker's clocks. They just left a mysterious blank void after the 12 and apparently several people had existential crises during the baker's hour. Some were institutionalized for a rare condition called Time Delirium.
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Thankfully Emerson Electric was able to provide the electroshock therapy devices that cured several patients. This was achieved by erasing the memory of the traumatic time delirium events along with a few other unimportant details like what they did last Tuesday and their mother's name and one engineering degree that the guy wasn't even using.
My dad actually got the fan working and let me tell you... that bad boy could really work up a gentle breeze...
...if you stood behind it and blew.
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And that fine American-made electric fan motor was just as quiet as a leaf blower on Saturday morning.
Over the last century, Emerson was bought and sold and bought and sold.
And bought and sold and bought and sold.
Was that 7?
Eh, close enough. We'll call it a baker's 7.
They changed their product line countless times over their 130+ years of existence. After fans they pivoted and made electric meat grinders. To this day, no one know what inspired that decision.
Currently, they make radar avionics and are majority-owned by the private equity firm, Blackstone. Which is a totally non-evil sounding name they chose for their company-eating empire. Please ignore that the CEO was one of Trump's policy strategists. This is a non-evil company with a non-evil name run by non-evil people, okay?
Despite Emerson Electric having to settle a baker's gross of lawsuits involving a few lightly scalp'd babies, they maintain a Fortune 500 status and are still headquartered in Ferguson.
They occupy one of the most boring ass buildings ever constructed.
Just rectangles all the way down.
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That architect told every angle to get rect.
Of course, I forgot all of this cool history and sold this fan in the estate auction. I suppose it is a good thing I got a nice photograph to help assuage my current feelings of guilt. I mean, it is not baby scalping, time delirium guilt—but I would feel better if I knew my gramp-gramp's fan was in a good home with 0 babies.
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sustainabilitythoughts · 8 months ago
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Can it be fixed?
Most of us live in areas with a “throw-away culture”.  Single-use items are everywhere, and it is generally easier (and frequently cheaper) to replace an item than to fix it.  Unfortunately, many consumer items are actually designed to be difficult or impossible to repair.  Significant resources are used to create, transport, sell, and dispose of even simple items.  Once an item is thrown away, its component materials are no longer available and eventually, the earth’s resources will be used up.  And there is no “away” for our trash.  We just hide it in landfills, where it is out of sight but can still create significant problems for the earth.   Every time we repair an item and continue to use it, we are helping the earth.  A little research can help you repair many items (or find a business that can perform the repairs).  CAUTION: do not attempt to fix items that use electricity, natural gas, propane, or hazardous chemicals unless you have appropriate training.  If you make a mistake, you could start a fire or injure or kill yourself or others. And always unplug an electrical item before working on it.  Now that we’ve covered the safety concerns, let’s talk about repairs. The article at the link provides lots of links to information to help you repair many of your own items, including clothing and some electronics, appliances, and furniture.  Sometimes you can hire someone who can fix these items for a reasonable price. 
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starrystrawb · 8 months ago
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See now: Water Mother Nature. Water has been around as long as the planet has been. She will be here long after we are all gone. She is has seen it all and will witness everything that is to come. She is the depths of the Marianas trench, she has been the shallows of a back-yard creek.
On to the eco-tips!
1. A lot of phone cases are made of plastic. Even ones made of recycled plastic are well... plastic. But worry not friends! Some phone case companies take old cases and recycle them for you! Castify is one of them, and one that I regularly send my old cases to! To get an address to send the old cases to, email them on their website. Pack those old cases up, and ship them off to be reused! They even offer a discount on orders for sending them the old cases, and they take any brand!
2. Speaking of phone cases, Pela is a phone case company that makes compostable phone cases! They are made from plant material and are actually pretty cute. They are a bit pricey, so they're not for everyone. Other companies have similar cases that are made of plants, made from recycled plastics, or made in a sustainable and eco-friendly manner! Re-Castify is castify's version of this, ecoblvd also makes phone cases, and otterbox has a series called Core. And of course, keeping one phone case for a long time and reusing it over and over is always great!
3. Phone cases usually go on phones, so lets talk about those little guys! It feels like every year, the phone you just got is slowing down, dying faster, and is rapidly collecting more and more issues. Technology is always advancing, which is great! But a lot of the components in electronics end up being tossed in the trash. If you have things like old phones or tablets laying around, and you're unsure what to do with them, worry not! Research your options! Some places like zoos, tech shops, or second hand shops might have tech recycling programs. And of course, selling to a shop that refurbishes and sells tech is always an option. A lot of phone companies and providers have started offering trade ins! Don't feel guilty for upgrading, trade in, sell, or recycle your old phones, tablets, and other electronics!
4. Moving on from tech, lets talk about paper! Did you know you can make your own paper? It was a pretty popular trend in 2020-2022. You do need some supplies, like a blender, a picture frame, some sort of netting, and usually glue or tacks of some kind. But I've done it before, and it's actually pretty fun! You can even sprinkle seeds into it to make a card that you can plant! Google and youtube have some very handy and easy to follow tutorials!
5. Talk to people! Online, in person, over the phone. Everywhere! Share eco-tips (like we're doing here), talk about legislation, organize groups, everything! Keep each other moving and keep spreading information and helping others. It is so important to involve your friends, family, and community in eco-friendly living! We all share the planet, friends!
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fuzzkaizer · 7 months ago
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OBERHEIM - ring modulator
" Mostly known for his synth ventures these days (think Van Halen’s “Jump”), Oberheim grew up studying physics and building amps, which led to his career as a computer engineer. Eventually, he discovered that music gear was his true passion after designing an effect written about by Harald Bode in an issue of Electronics Magazine. He parlayed this passion into a budding career in guitar effects and synthesizers, releasing the first pedal-style ring modulator and phase shifter.
 Now, after surveying the cabinet’s contents, I realize that there is not another piece within it that is even tangentially linked to Bode, and his place in the effects business is small but oh so important. The spirit of this column would be remiss without acknowledging his contributions to the field, so here goes.
Apart from being the first man to publish an article about ring modulators, he was also the first to sell them under his own name. Bode also played a crucial role in the adaptation of tubes to solid-state transistors, as well as the advent of the vocoder, a device now known as “that robot voice effect” but originally used by WW2 intelligence officials to encrypt high-clearance conversations between world leaders. Bode was the man, and don’t you forget it.
So it should come as no surprise that Oberheim’s Ring Modulator is perhaps the most sublime example of the effect—in both aesthetics and tonality—despite being the first “pedal” version with many subsequent contenders to the throne, yet nary a usurper. As far as its modern practicality is concerned, there’s a reason you don’t see any on any pedalboard anywhere, beyond the pedal’s insane price point and collectibility.
For one, the thing is as big as a phone book. If that’s not enough, the two switches in front are—you guessed it—toggles. There’s a jack in the front that one might think is for an auxiliary footswitch, but alas, it is for a “control pedal.” Fortunately, this made the pedal a boon for keyboadists, especially those favoring the Rhodes piano. Jan Hammer of Mahavishnu Orchestra made significant use of one (in addition to other Oberheim-designed goodies) on several tracks, one of which I’ll link below (3:28).
Ring modulators work by using an internal pitch called a carrier frequency, which is derived from a ring of components, which modulates the input signal. Unlike many ring modulators that stick you with one carrier value, Oberheim’s version offers you a plethora of carrier options, with the option to output the oscillator itself to other effects, supply your own carrier oscillator (thereby making the pedal a throughput processor), as well as two switchable carrier frequency ranges and many more options under the hood.
If you know how to dial in ring modulators (sadly, a dying art), you’d be hard-pressed to find a better sounding unit than Oberheim’s original. And because finding one is so hard, there’s a good chance you may never get to play one. True to most geniuses of the craft, Oberheim’s device relied on then-cutting-edge tech, using an MC1495 four-quadrant multiplier chip that has long since crossed over to the tech graveyard.
Lastly, it begs to be mentioned that the Oberheim Ring Modulator may very well feature my favorite pedal art of all time—the whole shebang looks like a Devo album cover. Oberheim’s “muscly note” is simply one of the coolest logos ever, and the incredible and thorough attention to detail give it beauty with brains to match."
cred: catalinbread.com/blogs/kulas-cabinet/oberheim-ring-modulator
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resionllc · 9 months ago
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Looking for well-known distributors of electronic components?
Are you searching for the best electronic component distributors? If yes, reach out to the Resion skilled team for their exceptional products and services. We are a reliable distributor of the latest electronic components that provide the military, defense, and aerospace fields with high-quality products at great prices. Call (516) 742-6300 to book our products and services today!
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modestbirdwizard · 10 months ago
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Fix your shit, or make it better anyway!
Everyone has had that little something in their life that was just perfect in everyone, suited to it's task, purpose, and the user's personal preference… and everyone has also had that thing break on them, followed by years of white whaling for a better replacement. Learning to fix your shit is essential in an era that lives and breathes e-waste and demands us to be connected, and while the vast majority of cellphones are hard to fix and difficult to even open, there ARE plenty of other devices in our lives simple enough to engage with that the layman stands a chance.
Tools, example projects and places to look for guides under the jump:
Fixing old ipods, restoring butchered record players, game controller customization (or fixing joystick drift), turning your favorite headphones into a cable-swappable gaming headset , or making the perfect version of a computer keyboard are all possible with a relatively small set of tools and a small investment of your time. For almost any given tech project, you only need a few tools to get into, out of, and through the guts of any electronic device.
Tools of the trade:
A soldering iron (A pinecil or a TS100 are great choices for those who need something small. You will see even cheaper irons that look like they plug directly into the wall, but these are NOT soldering irons, they are the end component of a soldering station, a much larger kind of iron for more serious users. They do not have heat control and are DANGEROUS if not used with a soldering station.)
A set of spudgers, picks, and pry tools (Not the cheap plastic ones that come with every single tech repair component, though you'll need those too, they are basically free in the quanitity that you'll need them.)
Most important of all, a solid multi-bit screwdriver set for this purpose. (The ifixit mako kit is the golden god here, but don't be fooled: this array of bits in these sizes can be had for as little as 12 bucks. That said, investing in your tools is an investment in yourself.)
A set of precision tweezers
A bottle of 99% Isopropyl Alcohol And for the more complex jobs:
A basic multimeter (This is mostly used for diagnosis, looking for broken circuits and finding the voltages of various components.)
A Heatgun/hair dryer (More useful for specific tasks, such as removing Surface Mount components which tend to be very, very small.
With these tools, the world is yours. A word about soldering: People act like this is an insane skill to possess, something best left only to the most dedicated techno-wizard and warlocks, but that's simply not the case. It's actually as simple as using hot glue safely. I'll defer to Big Clive for better instructions than I could write. It's pronounced saw-dur, by the way.
I'd also recommend his account for the great resource that it is generally. While he doesn't get into the specifics of repairing any device, Clive does tear downs that show the general techniques you'll use to get inside of different gadgets. Extremely good second screen background noise.
For specific instructions for your device, you should check out ifixit. They have the largest database of tech repair guides online, though something tells me that an open, wiki-style option would be a fantastic idea. They also sell parts and specific tools you may need for a given task.
Sometimes, repairing your tech is as simple as cracking the case and swapping a hidden microSD card for a much larger one, or actually just unplugging one battery and installing a new one (kind of makes you wonder why they say they can't be repaired and glue them down). While I'd argue that most tech can be fixed, there are sadly some things that are just beyond the dedicated hobbyist. Chief among those are airpods and other small devices of that type. While they can certainly be opened and repaired, it's just incredibly fine work and I wouldn't recommend it. If a task seems too daunting for you, try checking with local phone shops to see if they offer repair. The cost of a replacement is usually much greater than the cost of a fix.
If your tech is unusable and in to be replaced, trying to fix it cannot possibly break it more. Give it a go!
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So I had my dad talking to me about cars today, telling me how I should basically avoid getting any cars except those made by Japanese companies because of how shitty other countries manufacture their cars (mileage and life span)
Do you have any thoughts on this? I don’t know much about cars and I thought of this blog while I was having this conversation so that’s why I send here
Do I have thoughts on this. Do I have thoughts on this. Babygirl (gender neutral) I have thoughts on aspects of cars you wouldn't even conceive of. I have thoughts on aspects of cars that aren't even real. Up the ante, folks! Ask me which cars are most bisexual!
That aside, for my opinion: Italian food is good. But of course, when I eat out in Italy, I don't go to any random place because "this country does this well", because I'm not ordering from a country, or a region, or a city, but from a specific joint - and some of them suck, some dropped or rose in quality, some are exceptionally good/bad with certain things, hell, some serve foreign food and then what's the adage matter now! That's why Yelp doesn't have country reviews.
Much the same, Japanese cars are usually pretty reliable, but Nissan spent the last two decades making a case against that claim (especially with their CVT transmission, a known ticking time bomb they've done fuck all about for years) with the help of whatever's left of the shell of Mitsubishi, and Infiniti is just the luxury brand of Nissan so ditto for it... indeed, another point to make, some cars are just based on, or outright are, cars from other brands. Infinitis are built by Nissan, and usually based on the equivalent Nissans. Except the QX30, which is just a Mercedes GLA - which probably was part of the same deal through which Mercedes got to sell the Nissan Navara as the X Class.
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And there's a lot of cross-nationality brand partnerships like that, past and present, like the four-decade-long Mazda/Ford one, or the time Saturn had such a crappy engine they had to get Honda to give them a proper one. And by the way, the guy who posted that? He owns a different Saturn which took 360k miles of bare minimum care like a champ, because reliability can vary wildly within a lineup, and also a Volkswagen that's been a thorn in his side, which definitely wasn't the experience I had with mine, because mine is over twice as old, and a brand can completely change over time too! (You'd think they were run by people or something.)
In fact, reliability changing over time and models is the norm - not as drastically as, say, "older German cars were unstoppable tanks and now they're overly fit-prone electronics messes where everything is costly to buy and dastardly to replace" (which, however, is actually a notable trend), but usually in terms of "in this model, through these production years, this component was overly keen on failing" (as per my Accord post). Part of how Toyota (and by extension its luxury brand Lexus) rightfully earned its reputation of King Reliability is such cases in their production being especially few and far between, and none notable enough to become an automotive meme like Subaru head gasket failures (and no, the Camry dent doesn't count). So, say, Hondas may not be less reliable, just a bit less consistently so (but even there, Honda interiors tend to hold up much better than Toyotas', yadda yadda yay for nuance).
So if you are buying a used car (as you should) it's always important to research for potential common problems (for instance, pre-90s Toyota frames are to rust what the letter X is to Elon Musk) and thoroughly inspect the car, to check that nothing is broken and that it's been properly serviced.
That last part is very important, because reliability is not a tickbox, it's a spectrum, and a function of how a car was built and how it was maintained. Carelessness will kill any car sooner or later. Every car has fluids that will at some point need changing, wear items that will at some point need replacing, and the occasional part failure. Even yours. So even when it comes to your car, keep up with that stuff, or it will eventually catch up to you. (And if regular services would tax your finances, look into how to perform them yourself - you'll find it's a lot easier than you thought, you'll give it a shot and it will be very rewarding and save you a lot of money!)
And also, if a hinge starts squeaking, if something starts sagging, if some trim breaks, if you get a dent or scratch, take care of those too. Not because they make your car work less or worth less, but because they foster an indifference that snowballs into neglect. Working on those little things will keep you feeling like your car is nice and your loving effort is going to keep it nice, dammit - in much the same way as it's important to take care of yourself and your environment for your mental health, to keep yourself feeling like you are making it and with your loving effort you are going to keep making it, dammit.
Links in blue are posts of mine explaining the words in question - if you liked this post, you might like those!
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AI chips could get a sense of time with memristor that can be tuned
Artificial neural networks may soon be able to process time-dependent information, such as audio and video data, more efficiently. The first memristor with a "relaxation time" that can be tuned is reported today in Nature Electronics, in a study led by the University of Michigan. Memristors, electrical components that store information in their electrical resistance, could reduce AI's energy needs by about a factor of 90 compared to today's graphical processing units. Already, AI is projected to account for about half a percent of the world's total electricity consumption in 2027, and that has the potential to balloon as more companies sell and use AI tools. "Right now, there's a lot of interest in AI, but to process bigger and more interesting data, the approach is to increase the network size. That's not very efficient," said Wei Lu, the James R. Mellor Professor of Engineering at U-M and co-corresponding author of the study with John Heron, U-M associate professor of materials science and engineering.
Read more.
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mostlysignssomeportents · 1 year ago
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Open Circuits
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I'm kickstarting the audiobook for "The Internet Con: How To Seize the Means of Computation," a Big Tech disassembly manual to disenshittify the web and make a new, good internet that picks up where the old, good internet left off. It's a DRM-free book, which means Audible won't carry it, so this crowdfunder is essential. Back now to get the audio, Verso hardcover and ebook:
http://seizethemeansofcomputation.org
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Every trip to Defcon – the massive annual hacker-con in Las Vegas – is a delight. Partly it's the familiar – seeing old friends, getting updates on hacks of years gone by. But mostly, it's the surprises, the things you never anticipated. Defcon never fails to surprise.
I got back from Vegas yesterday and I've just unpacking my suitcase, and with it, the tangible evidence of Defcon's cave of wonders. My gear bag has a new essential: Hak5's malicious cable detector, a little USB gizmo that lights up if it detects surreptitious malicious activity, even as it interdicts those nasty payloads:
https://shop.hak5.org/collections/omg-row2/products/malicious-cable-detector-by-o-mg
(In case you're wondering if it's really possible to craft a malicious USB cable that injects badware into your computer and is visually indistinguishable from a regular cable, the answer is a resounding yes, and of course, Hak5 sells those cables, with a variety of USB tips:)
https://shop.hak5.org/collections/omg-row2/products/omg-cable
But merch is only a sideshow. The real action is in the conference rooms, where hackers update you on the pursuit of their obsessions. These are such beautiful weirdos who pursue knowledge to ridiculous extremes, untangling gnarly hairballs just to follow a thread to its origin point.
For the second year in a row, I caught a presentation from Joseph Gabay about his work on warshopping: slicing up shopping cart wheels and haunting shopping mall parking lots during resurfacing to figure out how the anti-theft mechanism that stops your cart from leaving the parking lot works:
https://www.begaydocrime.com/
And of course, I got to give one of those presentations, "An Audacious Plan to Halt the Internet's Enshittification," to a packed house. What a thrill! It was livestreamed, and if you missed it, you'll be able to catch it on Defcon's Youtube page as soon as they upload it (they've got a lot of uploading to do!):
https://www.youtube.com/@DEFCONConference/videos
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After my talk, I went back to the No Starch Press booth for a book signing – which was amazing, so many beautiful hackers, plus I got to share a signing table with Micah Lee. As I was leaving, Bill Pollock slipped me a giant hardcover art-book, and said, "You're gonna love this."
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I did. The book is Open Circuits: The Inner Beauty of Electronic Components, by Windell Oskay and Eric Schlaepfer, and it is a drop-dead gorgeous collection of photos of electronic components, painstakingly cross-sectioned and polished:
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The photos illustrate layperson-friendly explanations of what each component does, how it is constructed, and why. Perhaps you've pondered a circuit board and wondered about the colorful, candy-shaped components soldered to it. It's natural to assume that these are indivisible, abstract functional units, a thing that is best understood as a reliable and deterministic brick that can be used to construct a specific kind of wall.
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But peering inside these sealed packages reveals another world, a miniature land where things get simpler – and more complex. Inside these blobs of resin are snips of wire, plugs of wax, simple screws, fine sheets of metal in stacks, wafers of plain ceramic, springs and screws.
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Truly, quantity has a quality all its own. Miniaturize these assemblies and produce them at unimaginable scale and the simple, legible components turn into mystical black boxes that only the most dedicated study can reveal. Like every magician's trick, the unfathomable effect is built up through the precise repetition of something very simple.
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A prolonged study of Open Circuits reveals something important about the hacker aesthetic, a collection of graphic design, fashion and industrial design conventions that begins with this realization: that the crisp lines of digital logic can be decomposed into blobby, probabilistic lumps of metal, plastic, and even wax.
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It reminds me of George Dyson's brilliant memoir/history of computing, Turing's Cathedral, where he describes how he and the other children of the scientists building the first digital computers at the Princeton Institute spent their summers in the basement, hand-winding cores for the early colossi their parents were building on the floors above them:
https://memex.craphound.com/2012/03/12/george-dysons-history-of-the-computer-turings-cathedral/
You can see my hacker aesthetic photos in my Defcon 31 photo set:
https://www.flickr.com/search/?sort=date-taken-desc&safe_search=1&tags=defcon31&user_id=37996580417%40N01&view_all=1
In this video, Eric Schlaepfer illustrates the painstaking work that went into decomposing these tiny, precise components into their messy, analog subcomponents. It's pure hacker aesthetic, and it's mesmerizing:
https://www.youtube.com/watch?v=byKyJ0b04Lo
But Open Circuits isn't just an aesthetic journey, it's a technical one. After all, Oskay is co-founder of Evil Mad Scientist Labs, one of the defining places where hardware hackers gather to tear down, pick apart, mod, improve and destroy electronics. The accompanying text is a masterclass in the simple machines that combine together to make complex assemblies:
https://www.evilmadscientist.com/
Defcon is a reminder that the world only seems hermetically sealed and legible to authorized parties with clearance to crack open the box. From shopping cart wheels to thermal fuses, that illegibility is only a few millimeters thick. Sand away the glossy outer layer and you will find yourself in a weird land of wax-blobs, rough approximations, expedient choices and endless opportunities for delight and terror, mischief and care.
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Back my anti-enshittification Kickstarter here!
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If you'd like an essay-formatted version of this post to read or share, here's a link to it on pluralistic.net, my surveillance-free, ad-free, tracker-free blog:
https://pluralistic.net/2023/08/14/hidden-worlds/#making-the-invisible-visible-and-beautiful
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