Tag Archives: Electronic engineering

Technology

Meet the First Laser Projector With Its Own Disappearing Screen

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Image: AWOL

If you’re looking for the big screen movie theater experience at home—we’re talking 100+ inches—a projector is usually the most affordable way to go. But if money is no object and you’d rather skip the cumbersome setup, calibration, and screen mounting steps that usually come with a projector, AWOL’s Vision Vanish packs a short-throw projector, speakers, and a retractable self-standing screen into a single cabinet.

Unlike a TV that you might just plop onto a cabinet or hang on a wall, projectors require a little more planning when it comes to turning a space into a home theater. Long-throw projectors that sit at the back of a room are cheaper, but people walking in and out of the room can cross the beam and block the projected image. Short-throw projectors solve that problem, but at an added cost. Despite the name, they also still often need to sit several inches from a wall to maximize the size of the projected image.

You can always use a big empty wall as a screen, but for optimal results, including on metrics like brightness, contrast, and accurate color reproduction, a highly-reflective projector screen is the preferred way to go. Unfortunately, this often requires complicated installation when going 100 inches and larger. It makes splurging on a giant TV seem like the easiest route, but AWOL’s Vision Vanish looks like it solves many of the pain points of opting for a projector.

Image: AWOL

When installed, the Vision Vanish looks like a mostly non-descript eight to 10-foot long black cabinet, and it can even be used against a wall that’s already covered in artwork, or one with a window, without affecting its performance.

AWOL Vision Vanish Laser TV

At the press of a button, a hidden rolling screen automatically raises out of the back of the Vision Vanish cabinet, while a compartment at the front extends to reveal an AWOL LVT-3500 triple laser projector inside, which ends up positioned at the perfect distance to fill the screen once it’s fully raised. The projector itself boats 3,500 ANSI lumens, HDR 10+ support, built-in 36-watt speakers, and the ability to display 3D content, for those still holding onto that dream.

Image: AWOL

AWOL says the LVT-3500 laser projector included with the Vision Vanish is actually capable of projecting images up to 150-inches in size, but this all-in-one solution comes in two versions, with screen sizes limited to either 100 inches or 120 inches. And while that bundled laser projector currently sells for $4,600 all on its own, the complete Vision Vanish package, including the cabinet and pop-up screen, sells for $15,000 for the 100-inch version or $16,000 for the 120-inch one. Not cheap by any stretch of the imagination, and you can certainly put together your own short-throw projector and screen for a lot less money, but the appeal here is a solution that completely disappears when the movie is over, all at the push of a button.

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Nvidia Investigates Melting PC Graphics Card Power Cables

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Image: Smith Collection / Gado / Contributor / Kotaku (Getty Images)

Perhaps the over-sized, power-hungry, and highly-priced 4000-series graphics cards from Nvidia are a bit too hot of a product right now. After one user posted photos of their charred 12-volt, high power (12VHPWR) connector on Reddit, Nvidia responded with an investigation into at least two cases.

Yesterday, Reddit user reggie_gakil shared photos of a freshly seared cable and power connector on their RTX 4090 graphics card, titled “RTX 4090 Adapter burned” with a caption that reads “IDK [how] it happened but it smelled badly and I saw smoke.” Though the card reportedly still works, reggie_gakil was not alone. Another Reddit user began their reply with, “You aren’t the only one. This happened to me today as well.” This follows reports that PCI-SIG, the consortium that sets standards for PCI, PCI-X, and PCI-Express connections (the ones used in said graphics cards), was aware of potential “safety issues under certain conditions.” According to The Verge, Nvidia is now investigating these cases.

In a statement to Kotaku, Nvidia said it is “in contact with the first owner and will be reaching out to the other for additional information.”

With the increased power draw of these new graphics cards and new ATX power standards that have raised eyebrows, this might not be so much of a surprise. Indeed, YouTube channels like JayzTwoCents are doing a bit of an “I told you so” victory lap.

The 12VHPWR cable is DANGEROUS! But NVIDIA doesn’t agree…

As mentioned in JayzTwoCents’ video, Brandon Bell, senior technical marketing manager for Geforce at Nvidia dismissed early fears over unsafe power cables as “issues that don’t exist” and that “it all just works, man.” While the results of Nvidia’s investigation have yet to determine if the initial Reddit post that sparked alarm is an outlier, there’s certainly cause for concern.

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Nvidia’s competitor, AMD, also responded to reggie_gakill’s melted-cable story. AMD Radeon’s senior vice president replied to a Tweet staying that “the Radeon RX 6000 series and upcoming RDNA 3 GPUs will not use [the 12VHPWR] connector.”



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Technology

EVGA, Big Graphics Card Maker, Has Messy Breakup With Nvidia

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Times have been tough.
Image: Kotaku / San Francisco Chronicle / Hearst Newspapers (Getty Images)

And now for something that no one saw coming: EVGA, one of the most prominent third-party PC graphics card manufacturers, and a favorite brand among PC gamers for quality parts and reliable warranties backed by solid customer service, is terminating its longtime relationship with Nvidia. What’s more, the company reportedly said that it won’t be pursuing partnerships with competing silicon giants like AMD or Intel, either. It seems like EVGA is just done with GPUs.

Kotaku has reached out to EVGA for comment.

News of EVGA’s seemingly sudden decision to stop manufacturing GPUs broke via the popular YouTubers GamersNexus and Jayztwocents. Personalities from both channels say that they were invited to a private meeting with EVGA staff, including CEO Andrew Han. In the meeting, EVGA reportedly laid out its desire and intention to break away from Nvidia, citing multiple frustrations with the partnership.

These sore spots mostly concern what Han describes as Nvidia’s reluctance to share essential information about its products with partners until that same information is made available to the public, often onstage at a press conference; that it believes Nvidia is undercutting partners like EVGA by selling its own “Founders’ Edition” cards at a lower price; and a sense among partners that Nvidia just doesn’t value their patronage.

GamersNexus has a very thorough breakdown of the meeting and this news in its video.

GamersNexus

EVGA’s most senior management made its decision to break away from Nvidia back in April, but kept the decision strictly confidential. Though EVGA, a company that is so often known and valued for great GPUs and reliable customer service, is leaving the GPU market, the company reportedly intends to stay in business. However, it won’t be expanding into new product categories, GamersNexus reports. And while the company does make and sell other PC components such as motherboards, cases, and power supplies, the loss of the GPU side of its business is likely to pose challenges for its 280 worldwide staffers.

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GamersNexus’ Steve Burke reports that EVGA is looking to reallocate staff to different projects to keep everyone employed. The company laid off 20 percent of its Taiwan employees earlier this year, and now several people whose jobs solely revolved around GPU manufacturing and development don’t have an obvious job to perform.

While EVGA will continue to sell RTX 30-series cards, it expects to run out of stock by the end of the year, and will be hanging on to an additional stock to service warranties and repairs. EVGA’s pledging to honor warranties for existing customers of those cards.

Today is a bittersweet day for PC gamers, as EVGA’s presence in the GPU arena will be sorely missed. On the flip side, the crypto-mining craze that has plagued the industry by buying up countless cards for mining rigs seems to be coming to an end. The prominent crypto Ethereum has finally, finally moved away from the GPU-hungry “proof of work” algorithms that contributed to the virtual decimation of available GPU stock over the last two years. As you’ve probably noticed, GPUs are once again available to buy and pricing has finally started to fall back to Earth. With the Ethereum switch, hopefully that trend will only accelerate.

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Philips 1080p Ultra Short Throw Projector Promises 80 Inch Image

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While companies like Sony and Epson strive to bring giant movie theater-caliber projectors into the home, Philips is taking the opposite approach with compact alternatives that create big images from smaller hardware, like its new 1080p Screeneo U4 ultra short throw that looks no larger than a shoe box.

If you’re serious about permanently switching from a television to a projector in your living room or home theater, ultra short throw projectors are a more convenient solution, as there’s no risk of anyone getting up for a bathroom break and being blinded by a bright beam of light emanating from the back of the room. One drawback to going the ultra short throw route is that those projectors are usually very large and very expensive, but the Philips Screeneo U4 is neither.

Weighing in at three pounds and measuring just 8.8 inches on its longest side, Philips claims the Screeneo U4 can project an image 80 inches in size from a distance of about 12 inches from a wall, or a 60 inch image from just 7.7 inches away. However, one of the most important projector metrics is lumens, or how much light it can actually throw onto a wall or a screen. For the Philips Screeneo U4, that’s a somewhat disappointing 400 lumens, which means that for a decent level of contrast and brightness, you’ll really only want to use it in a dark room if you’re hoping to get a 60+ inch image.

Philips Screeneo U4 | Ultra Short Throw Projector

Many compact all-in-one projectors now ship with Google TV and wifi so that, out of the box, they can access content on all the major streaming platforms. The Screeneo U4 does not, and instead encourages users to opt for a streaming dongle, like a Chromecast, for one of the projector’s two HDMI ports, which can draw power from the single USB port situated right next to them.

A pair of 15-watt speakers are built into the Screeneo U4, which is another advantage to using an ultra short throw projector that sits at the front of a room, but users can also opt to connect wireless headphones, or a pair of wireless speakers over Bluetooth, assuming they’re okay with a little lag between the audio and what’s happening on the screen. Other features include a built-in camera, allowing the projector to automatically correct focus and make keystone corrections, and an LED light source that promises 30,000 hours of use.

Philips is going the crowdfunding route to bring the Screeneo U4 ultra short throw projector to consumers through Indiegogo (the usual crowdfunding warnings apply here, although the risk is minimal given Philips has been around for 130 years) and its best feature is without a doubt a 50% discount for the earliest backers, which brings the price to around $630. That makes this one of the cheapest ultra short throw projectors you can buy, and a tempting upgrade assuming you get in on the discount. With a full price that will be well over $1,000 after shipping starts in August, you’ll probably want to opt for a projector with more lumens than the Screeneo U4 offers, even if you have to sacrifice the convenience of its ultra short throw functionality.

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Technology

LG Wants to Partner with Apple For Second-Gen AR/VR Headset

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Tim Cook
Photo: Spencer Platt (Getty Images)

Apple’s WWDC event came and went without any mention of an AR/VR headset, but that hasn’t slowed the influx of reports and rumors surrounding this highly anticipated product. Despite the first model’s absence, we’re now learning about Apple’s second-generation mixed reality headset.

I appreciate your collective eye-rolling and exasperated sighs, but this newest report doesn’t come from a random Twitter user coming up with specs and numbers. Rather, it was reported by the reliable South Korean outfit The Elec, which claims LG Display will attempt to supply the micro OLED panel for Apple’s sophomore headset.

Why not the first model? Sony is reportedly supplying the main micro OLED panel for the original mixed reality headset while LG will provide an outer OLED “indicator” screen.

LG wants to get more involved and will try to overtake Sony as the primary supplier for the main micro OLED display on the second-generation headset. This could benefit Apple as it attempts to distance itself from a potential rival—Sony is already a major player in the VR space with its PlayStation VR headset.

LG is reportedly prepping its micro OLED displays by ordering deposition equipment from Sunic System. It will use those tools to manufacture micro OLED panels for Apple’s second-gen headset.

What is micro OLED?

As The Elec explains, micro OLED mounts an OLED layer on a silicon substrate whereas conventional OLED panels mount them on glass. With crystal silicon as their backplane, micro OLED panels can be thinner and consume less power, while delivering excellent picture quality with perfect black levels and high brightness. micro OLED is expected to be the technology of choice for upcoming mixed reality headsets.

But this nascent screen technology combined with other advanced features (M-series processors, two 8K displays, a dozen sensors) isn’t cheap. It will reportedly raise the price of Apple’s upcoming AR/VR headset to a ridiculous $3,000. That’s another zero added to the price of the Oculus Quest 2, the current leader in the space.

We anticipated some mention of AR/VR at Apple’s WWDC event last week, but it never came. Still, all rumors point to a late 2022 or early 2023 reveal and a release in mid/late next year. If you prefer to wait for the second-gen product, Apple analyst Ming-Chi Kuo predicted last year that it would arrive in the second half of 2024 with a lighter design, improved battery life, and faster performance (and a lower price, we hope).

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Best Buy Totaltech Subscription Doesn’t Actually Get You a GPU

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Photo: Scott Olson/Getty

In case attempting to buy a graphics card at or near retail prices hasn’t been demoralizing enough, Best Buy is here to kick us while we’re down. The retailer is exploiting the ongoing supply shortage and our resulting desperation to force customers into paying another $200 for a shot at buying a graphics card.

We learned of Best Buy’s antics this week when the retailer made in-high-demand RTX 3000 GPUs available at MSRP…to those subscribed to its “Totaltech” program, a “perk” that costs $199 a year to join. If you didn’t pay up in advance, your admittedly slim odds of nabbing one of these components shrunk to zero.

Taking advantage of customers for something they have no control over is, well, an abhorrent business practice, made worse when some of the people who signed up never got a chance to purchase. Customers voiced their displeasure on Twitter, revealing how the Totaltech program didn’t guarantee them a GPU because Best Buy supposedly delayed their membership activation or sold out of cards (they were gone within four hours) before they made it to the front of the line.

If folks who missed out didn’t already regret their subscription purchase, Best Buy decided to sell the full range of RTX 30 graphics cards today to non-Totaltech customers. The odds of scoring one were much lower, but those who did just saved themselves 200 bucks. Perhaps the biggest atrocity is that Best Buy told its subscription members that it had sold out of GPUs, then decided a day later to make them available to non-members. Oh right, and some of those GPUs, like Nvidia’s Founders Edition cards, are exclusive to Best Buy, so it’s not like you can backlist the retailer and try again elsewhere.

Twitter user @CameronRitz, who tracks the stock of popular products, asked whether those who paid for Totaltech felt cheated. Here is one particularly telling response: “I’ve had total tech for other reasons but if I bought it for yesterday’s drop I’d be pissed. I didn’t stand a chance at getting one, that drop was terrible. Endless verify account loop. Worthless.”

To make matters worse, what might have been an effort to stave off scalpers seems to have only helped them. One scalper claims the paywall assisted them in buying 28 graphics cards, one of each available model: “I bought almost $20,000 in GPUs today,” a user named Bipper claimed in a Discord chat room, PCMag reports.

“I think the fact that it was Totaltech did more to help than anything else. It really limits the number of people that can go after the cards,” Bipper wrote.

Best Buy didn’t respond to Gizmodo’s request for comment when asked if it plans to continue restricting certain products to Totaltech members.

Best Buy’s Totaltech membership comes with “24/7 Geek Squad support,” two-day shipping, and two years of product protection. If there is any reason to sign up for it (assuming you don’t need those other benefits), it’s that paying $200 plus the MSRP of a graphics card could cost less than buying from said scalpers, even if it feels just as grimy.

This isn’t the first time Best Buy has toyed with its customers; it did the same with PS5 and Xbox Series X stock drops, restricting the latest consoles to those who pay up. I’m afraid there are no signs of things getting any better so long as the supply chain is still a mess, so keep joining restock chat rooms, subscribe to supply trackers, and pray for a bit of luck.



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The Best TVs at CES 2022

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Image: Sony

Every year at CES the convention centers and hotel-casino ballrooms of Las Vegas convert into a battleground for TV makers trying to prove their displays are brighter, more colorful, and slimmer than the others. This year at CES 2022 was no different: Top dogs Sony, Samsung, and LG, alongside challengers TCL, Hisense, and Panasonic, refreshed their entire TV lineups, which range from budget LED panels to flagship miniLED and OLED TVs.

Of the new TV features revealed at CES, the most promising are enhanced versions of OLED, including Samsung’s QD-OLED and LG’s OLED Evo and OLED EX, which promise to address the shortcomings of today’s leading screen technology. However, those worried about burn-in should look to one of the many new (and unbearably expensive) miniLED TVs showcased at the trade show.

Regardless of which technology you opt for, almost every 2022 TV you buy this year will have gaming features that allow for 4K, 120Hz play, and new smart tools designed to make it easier for you to find the content you might actually want to watch.

There were countless options to choose from, but only a few truly stood out. Here are the best TVs of CES 2022.

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LG’s Next-Gen OLED Tech Promises Major Improvements

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Photo: LG

LG is having a busy CES 2022 and the show hasn’t even started. The company already revealed two bizarre OLED concepts and a pair of odd TVs, but today it made its most significant announcement yet by debuting OLED EX, the next generation of its OLED display technology.

OLED EX (the EX stands for Evolution and eXperience, unfortunately) promises to boost maximum brightness, enhance picture quality, and allow for smaller display bezels. The underlying technology—millions of individual self-lit pixels—hasn’t changed, but the use of an isotope called deuterium combined with algorithmic image processing can increase brightness by up to 30% over conventional OLED displays, LG claims.

As boring as that may sound, the science behind it is actually pretty fascinating. LG found a way to extract deuterium, a rather scarce isotope (there is one deuterium atom in 6,000 hydrogen atoms) that’s twice as heavy as hydrogen from water, then applied it to its TV’s OLED elements. LG says stabilized deuterium compounds let the display emit brighter light while improving efficiency over time.

Moving to the second change, LG is using a “personalized” machine learning algorithm that predicts the usage of each light-emitting diode (on up to 8K TVs) based on your viewing habits, then “precisely controls the display’s energy input to more accurately express the details and colors of the video content being played.”

Photo: LG

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Image quality isn’t the only enhancement coming to OLED EX TVs; LG says the new screen tech lets it reduce display bezel thickness from six millimeters to four on 65-inch TVs. That may not seem like much of an improvement, but when you’re on this scale, even the smallest reduction makes a difference.

Perhaps the best thing about LG’s announcement is that OLED EX isn’t a concept nor will it be only found in prototypes—the new display tech will be used in every OLED TV manufactured at Samsung’s Paju, South Korea and Guangzhou, China locations starting in the second quarter of next year. LG didn’t say when it would release the first OLED EX products but from the sounds of it, it could be as soon as mid-2022. We’ve reached out for specifics.

“Despite the global TV market experiencing a 12% decline this year, we still observed a 70% growth in OLED sales,” said Dr. Oh Chang-ho, the executive vice president and head of the TV Business Unit at LG Display. “With our new OLED EX technology, we aim to provide even more innovative, high-end customer experiences through the evolution of our OLED technology, algorithms, and designs.”

I haven’t seen this latest version of OLED in person yet, and since we won’t be attending CES (LG still seems onboard, FWIW), it might be a while before I do, but the promise of a TV that addresses one of OLED’s few shortcomings—brightness —already has me running to the store to buy popcorn.

But first, I might want to see what Samsung has to show at CES. The company already revealed the tactics it’ll use to bridge the gap between its QLED panels and LG’s superior OLED displays with something called QD-OLED. By combining elements of Quantum Dot with OLED, Samsung reckons it can give us the best of both worlds: perfect blacks and incredible contrast as well as high brightness levels (sound familiar?). Sony, a longtime customer of LG’s OLED panels, will reportedly release its own QD-OLED TVs.

This is all good news for consumers; the TV war is once again heating up, and the outcome, regardless of who wins, should be a wider selection of products with better picture quality than what is on the market today.

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RTX 3090 Owner Finds Old Glove Inside $1500 GPU

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Image: u/antonyjeweet

Imagine this. You’ve just paid a ton for a new RTX 3090 Founders Edition GPU. You plug the card in, boot everything up and … wait, why is my super-expensive GPU running at 230 degrees?

Reddit user antonyjeweet asked themselves that very same question. Given that GPUs shouldn’t be running above195 degrees fahrenheit/90c well, ever, they figured there was something wrong with the internals.

This sort of thing is pretty rare, but it does happen. Igor’s Lab reported earlier this month how a user received an AMD Radeon 6700 XT with all the thermal pads still installed. The thermal pads are basically small bits of plastic or tape that are supposed to be removed before the GPUs are shipped to users.

And after rolling the dice and taking his GPU apart to replace the thermal pads, antonyjeweet discovered an unwelcome surprise: a finger glove, hidden inside the thermal pads:

Image: u/antonyjeweet

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“Now I know why my memory temps easily hit 110c very very fast. Now they stay at 86c max after 1.5 [hours] of stress testing. Also the core dropped 10c (from 75 to +/-65c after stress testing),” they wrote.

Interestingly, Nvidia at first followed procedure. They refused to honour the card’s warranty because antonyjeweet had taken the GPU apart, which is all pretty standard. However, after discovering someone in the Founders Edition assembly chain had left the little plastic surprise behind, they’ve agreed to help out antonyjeweet if they want it.

“Nvidia told me at first I lost my warranty. But after seeing this they said we will give you warranty (got that on mail). No swap or anything. If it works fine just keep it, if not, contact us and we will fix it,” the Netherlands-based user wrote.

If you’re wondering how something like this even happens, the real answer is there’s a global chip shortage. Customers usually don’t care too much the how’s and why’s, only that they get supply of their flash new consoles, CPUs, GPUs and everything else as soon as possible. That pressure and crushing demand often results in crippling conditions for those working on the factory floor. One factory in Vietnam that’s part of the Samsung and Apple supply chain has around 150,000 workers living at the factory full time, while another major Taiwanese semiconductor manufacturer forced some migrants back into shared accommodation despite the intensity of that country’s COVID wave.

On the bright side, everything worked out fine in this instance. But it’s a reminder to everyone that luxury consumer tech isn’t always going to work as advertised. If you’re going to drop thousands for real-time ray-tracing and all the bells and whistles at 4K, you might as well spend a little bit extra time making sure it’s running the way it should.

This story originally appeared on Kotaku Australia.

 

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RTX 3060 Is the First Nvidia Graphics Card to Get Resizable BAR

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Image: Nvidia

Those who were able to purchase one of Nvidia’s new RTX 3060 graphics cards yesterday now have access to the company’s long-awaited Resizable BAR support, which is the feature PC users can enable at the BIOS-level to let the CPU and GPU talk directly to one another. This is a big deal, because that instantly helps boost game frame rates.

Support for this feature rolled out with Nvidia’s latest driver update yesterday, but only affects the RTX 3060 at this time. Nvidia said Resizable BAR support for the rest of the 30-series crew will follow in late March.

However, like AMD’s Smart Access Memory (SAM), which is just another way of saying Resizable BAR, compatibility is limited to specific CPUs and motherboards. Not everyone with an RTX 3060 will be able to enable the feature just yet.

At the moment, Nvidia’s Resizable BAR is only compatible with AMD 500-series chipsets and AMD 400-series chipsets on motherboards with AMD Zen 3 Ryzen 5000-series CPU support. Additionally, you’ll need to have an AMD Ryzen 5000-series processor to use Resizable BAR with an Nvidia graphics card. It’s not compatible with older AMD processors at the moment.

On the Intel side, compatibility includes 400-series chipsets, as well as all 11th-gen chipsets available as of Feb. 25. However, because Nvidia has been working closely with Intel to get this up and running, it seems likely that Resizable BAR will be ready to go whenever Intel releases its 11th-gen desktop CPUs and the next chipset generation; Nvidia lists the 11th-gen Core i9, i7, and i5 as being compatible, as well as Core i9, i7, i5, and i3 10th-gen CPUs.

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Resizable BAR will also be compatible with motherboards from all major manufacturers, including Asus, ASRock, Colorful, EVGA, Gigabyte, and MSI. Nvidia did not say which ones specifically, but each manufacturer would have more information on their websites. Considering that 400-series chipsets are compatible, all 400-series motherboards should be compatible as well (Z490, H470, B460, and H410), but each manufacturer could decide to only enable it on certain models. Always best to double check!

I wouldn’t hold your breath for Resizable BAR to come to 300-series Intel chipsets anytime soon, either. That chipset, which supports 8th and 9th-gen CPUs, will reach its end of life by January 2022, so it’s likely Intel won’t focus on compatibility for that generation.

RTX 30-series gaming laptops also support resizable bar with Intel and AMD processors. Again, you’ll need to check with the laptop manufacturer to see if it’s supported on a certain model. The MSI GP66 Leopard, for instance, does support it.

But even if your PC checks off all those boxes, you won’t see a frame rate boost in every game, as is the case with AMD’s SAM. Right now, there are only a handful of games that support Resizable BAR with an Nvidia GPU, which include Assassin’s Creed Valhalla, Borderlands 3, Metro Exodus, and several others.

As always, don’t forget to update your drivers, BIOS, and VBIOS so this new feature will actually work on your supported PC.

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