Hackaday Links: March 31, 2024

Battlelines are being drawn in Canada over the lowly Flipper Zero, a device seen by some as an existential threat to motor vehicle owners across the Great White North. The story started a month or so ago, when someone in the government floated the idea of banning devices that could be “used to steal vehicles by copying the wireless signals for remote keyless entry.” The Flipper Zero was singled out as an example of such a nefarious device, even though relatively few vehicles on the road today can be boosted using the simple replay attack that a Flipper is capable of, and the ones that are vulnerable to this attack aren’t all that desirable — apologies to the 1993 Camry, of course. With that threat hanging in the air, the folks over at Flipper Devices started a Change.org petition to educate people about the misperceptions surrounding the Flipper Zero’s capabilities, and to urge the Canadian government to reconsider their position on devices intended to explore the RF spectrum. That last bit is important, since transmit-capable SDR devices like the HackRF could fall afoul of a broad interpretation of the proposed ban; heck, even a receive-only SDR dongle might be construed as a restricted device. We’re generally not much for petitions, but this case might represent an exception. “First they came for the Flipper Zero, but I did nothing because I don’t have a Flipper Zero…”

Don’t you just hate it when the only way to get data from a device on your network is via the vendor’s cloud? We sure do, and so does Scott, a chap from Australia who went to amazing lengths to intercept data from his solar power system. It’s a long, drawn-out saga that appears to have lasted many months before he finally figured out how to set up what’s essentially a man-in-the-middle attack that lets him see data from his system before it gets shipped off to the vendor’s site. The great thing about his write-up is that he documents all the dead ends he encountered before hitting on the final answer. What impressed us most was the way that many of these side-quests yielded some kind of actionable information, even if it was just to give him a sense of what the developers were thinking of when they built the encryption for the IoT part of this. Spoiler alert: they weren’t very good at it. We just love stories about such reverse-engineering heroics; tip of the hat to Hash over at RECESSIM for featuring this story on his latest “Reverse Engineering News” segment.
Given their eye-watering budgets, you’d be forgiven the thought that every effect seen in Hollywood movies is accomplished with some kind of bespoke device that costs a ton of money. But sometimes it’s the simple hacks that get a production brought in on time and budget. A great example is this cordless drill camera shaker, which was spotted in a recent production about Formula E racing. The drill, which appears to be wearing Bosch livery, has an eccentric wooden disc chucked up in it. The drill rests up against the side of an Arri Super 35 cine camera and when the trigger is pressed, the wobbling disc recreates the vibration a race car driver endures. Ironically enough, the camera appears to be mounted on a Steadicam, a camera stabilizer intended to make smooth shots.
SMD assembly is easy, right? Just take your PCB, arrange all the extra boards into a jig, tape down your stencil, and smear the solder paste out with whatever squeegee-like tool you can find. But what (sometimes) works at home doesn’t always scale well, as evidenced by this “Everything you ever wanted to know about stencil printing but were afraid to ask” guide. It’s a PDF of a slide deck by Chrys Shea, who really gets down into the weeds on stencil printing. There are a ton of fascinating technical details that we had no idea about, like the degree to which the area ratio (the ratio of the stencil thickness to the area of a given aperture) affects the transfer efficiency, or how much solder paste gets stuck to the pad versus how much sticks to the stencil walls. There’s also stuff in there about nanocoating stencil walls, the properties of solder paste — turns out it’s a non-Newtonian fluid — the effects of board support on gasketing, and that “squircles” are better than squares. We’d love to have seen the presentation live, but the slide deck is still really useful. As is “The Analog,” which is where we found this gem — if you aren’t subscribed to it, you really should.
And finally, can you cook a hot dog using an AM radio tower? For certain values of cooking, yes. If this sounds to you like shenanigans the Geerling boys would be up to, you’re right, with the senior Geerling, a radio engineer, doing the actual cooking, and his son Jeff serving as sous chef. The hot dog was impaled on some grounded wire tines on the end of an insulated stick and held near an operating AM radio tower. That didn’t do much, but the show started once the hapless frank was pushed into contact with the tower. The raw power quickly vaporized the meat, while simultaneously acting as a receiver for the signal. If you ever thought touching a live radio tower would be a good idea, it’s not. Just ask the hot dog.
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Give Your Pi Pico Captouch Inputs For All Your Music Needs

Unlike many modern microcontrollers, RP2040 doesn’t come with a native capacitive touch peripheral. This doesn’t mean you can’t do it – the usual software-driven way works wonderfully, and only requires an external pullup resistor! In case you wanted a demonstration or you have a capacitive touch project in mind, this lighthearted video by [Jeremy Cook] is a must watch, and he’s got a healthy amount of resources for you in store, too!
In this video, [Jeremy] presents you with a KiCad schematic and an PCB design you can use to quickly add whole 23 capacitive touch sensing inputs to a Pi Pico! The board is flexible mechanically, easy to assemble as [Jeremy] demonstrates, and all the pins involved can still be used as regular GPIOs if you’d like. Plus, it’s fully open-source, can easily be assembled on your own, and available on Tindie too!
Of course, such a board doesn’t get created for no reason – [Jeremy] has a healthy amount of musical creations and nifty ideas to show off. We quite liked the trick of using old PCBs as capacitive touch sensing, using copper fills as electrodes – which has helped create an amusing “macropad of macropads”, and, there’s quite a bit more to see.
If capacitive touch projects ever struck a chord with you and you enjoy music-related hacking, [Jeremy]’s got a whole YouTube channel you ought to check out. Oh, and if one of the musical projects in the video caught your eye, it might just be the one we’ve featured previously!
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ESP-Drone: Building an ESP32-Based Quadcopter For Not Much Cash

The fully assembled ESP-Drone flying around. (Credit: Circuit Digest)
What’s the cheapest quadcopter you can build? As [Circuit Digest] demonstrates with their variant of the ESP-Drone project by Espressif, you only need a minimum of parts, with at the core an ESP32 MCU module, inertial measurement unit (IMU, e.g. the MPU6050) and four MOSFETs to drive the brushless DC motors. As the PCB also forms the structural frame and landing struts for the quadcopter, not even a 3D printer is needed, with [Circuit Digest] coming to a total BOM cost coming to around 1,000 Indian Rupees, or about $12 USD.
While this [Circuit Digest] project gets you the basic done with IMU functionality, the Espressif project also has a few expansion boards detailed on its hardware page, depending on the base model of the mainboard you pick. The [Circuit Digest] project follows the ESPlane-V2-S2 version with no expansion boards, but the ESP32-S2-Drone V1.2 mainboard can be extended with position-hold, pressure and compass modules, as well as custom boards. As a derivative of the Bitcraze Crazyflie project, the ESP-Drone firmware also supports the rather nifty cfclient software for remote monitoring, logging and control. This may also be in the [Circuit Digest] firmware, but wasn’t listed among the features.

A nice feature of using cfclient is that you can use a standard (game) controller to control the quadcopter, while also getting a lot of flight data back. The other option is to use the Android or iOS app from Espressif (with source code available via their GitHub) and control the drone that way. Regardless of the method, you’ll be limited to the limits of the local WiFi network in terms of range, which probably resolves the issue of it not having a camera feed to steer from. This makes it arguably more of an (indoor) toy than a DJI competitor, but as a DIY quadcopter project it definitely is a lot of fun, while costing a lot less than most hobbies.
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Comments From Antonio Pierce Could Hint at Davante Adams’ Raiders Future


Las Vegas Raiders WR Davante Adams.

Since last offseason, wide receiver Davante Adams has been the subject of much trade speculation. However, the Las Vegas Raiders haven’t shown any interest in letting him go.The team finished the season 8-9 in 2023 and could be a few pieces away from making a playoff push in 2024. According to head coach Antonio Pierce, Adams is an important piece of the Raiders going forward and he hasn’t gotten the feeling that the star wide receiver wants a change.“Having a guy like Davante – wanted to be a Raider; I don’t think that’s ever changed,” Pierce said during his March 25 media availability. “I think when you saw him shake his dreads after the first game, you knew what time it was; that was going to continue. We plan on that continuing; we’re talking about one of the best receivers in the game.“To have him in our building for our corners, for a Jack Jones, for a Nate [Hobbs] to go against that every day, [it] makes us a better defense on Sunday versus our opponent. And then, to have the leadership of Davante, his presence – you guys know this – when he talks, there’s substance there. So, keeping Davante at peace makes everybody’s lives a lot easier, especially mine.”Adams is 31 and only has so many years left as an elite wide receiver. Keeping him likely means the Raiders believe that they can be a playoff team next season.Davante Adams Will Be Important for Rookie QBThe Raiders are likely in the market to draft a quarterback this offseason. If the team decides to start a rookie quarterback in 2024, having a player like Davante Adams will be key.He’s a wide receiver who can get open with ease, which makes a rookie quarterback’s life much easier. The Raiders can’t bring in a rookie and not surround him with wide receiver talent. Luckily, Adams hasn’t indicated that he wants to play for another team. At this point, it’s unlikely the team would be able to get close to the value they gave up to get him. He’s more valuable to the Raiders right now than he would be to other teams, especially with the New York Jets signing Mike Williams.

Davante Adams IG story 👀

Which QB Would Davante Adams Want to Play With?Davante Adams came to the Raiders to play with Derek Carr but the quarterback was released after one season together. Adams then wanted the team to draft C.J. Stroud, but that didn’t happen after the Houston Texans selected him with the No. 2 pick.Now it looks like the quarterback that Adams wants to play with is LSU’s Jayden Daniels. The 2023 Heisman Trophy winner has commonly been linked to the Raiders but it’ll prove difficult to get him. He’ll likely be a top-three pick and there’s no obvious way for the team to move up.Washington’s Michael Penix Jr. could be a good quarterback for Adams. He’s got one of the best arms in the draft, especially on deep passes, which is an area where Adams thrives. Plus, the Raiders should be able to get Penix later in the first round. If not a rookie, Adams needs to start getting to work with Gardner Minshew. […]


Upgrade to a curved display with this LG 34-inch UltraGear monitor for just $499

If you’ve been holding out for a curved gaming display, now is a great time to look at this offer on the LG UltraGear 34GN850-B. This WQHD and 1800R curved gaming display usually goes for around $749 but right now it’s marked down to just $499 at Walmart. According to price data accumulated from PC Part Picker, this is one of the lowest prices for the screen ever since it first launched.So far, Walmart has not specified an expiration date for the offer so we’re not sure how long it will be offered at this price. As far as 2K curved displays go, this is a very noteworthy deal but you can find other monitors with different specs in our list of best gaming monitors for 2024.The LG 34GN850-B UltraGear monitor features a nano IPS panel that spans 34 inches diagonally. This panel is curved with a radius of 1800R and has a 2K resolution of 3440 x 1440px. The standard max refresh rate of the LG 34GN850-B is 144 Hz, but it reaches 160 Hz with overclocking, while the gray-to-gray response time can get as low as 1 ms.This curved 2K display covers 98% of the DCI-P3 color gamut, with pleasingly wide viewing angles. Moreover, it can reach a maximum possible brightness of 400 Nits and 1,000:1 contrast ratio. You’ve got several input options to choose from including two HDMI ports and one DisplayPort input. A 3.5mm jack is provided for external audio support but there are no built-in speakers. A USB 3.0 hub provides two downstream USB 3.0 ports for connecting peripherals. Though this monitor comes with a height and tilt adjustable stand, users can opt to mount it to any 100×100 VESA-compatible alternative.Check out the product page for the LG 34GN850-B UltraGear gaming monitor over at Walmart for more details and purchase options. […]


Danielle Collins’ stunning Miami Open title on brink of retirement is best story in women’s tennis

Danielle Collins got close once before — but the narrative swallowed her up.
On January 29, 2022, the American took the court against Ashleigh Barty as an underdog in the Australian Open final on Rod Laver Arena.
The No. 27 Collins played her way in with wonderful form, dropping only two sets and securing a signature blowout win against 7-seed and future world No. 1 Iga Świątek. Waiting for her was Barty, the current world No. 1 and Wimbledon champion, aiming to be the first Aussie to win her home country’s singles slam since 1978.
Barty closed the door in straight sets. And less than two months later, the 25-year-old retired from the sport as world No. 1, without so much as a Wimbledon title defense, let alone a victory lap in Melbourne. Three slam trophies, one quick goodbye.
Collins, then 28-years-old, was left to pick up the pieces. But for the American coming off a career high, her off the court challenges told more of the story.
In 2019, she revealed a rheumatoid arthritis diagnosis, which is a chronic inflammatory condition that causes pain and swelling in the body’s joints. In 2021:

(Collins) underwent emergency surgery for endometriosis – a condition where the tissue that lines the uterus grows outside of it – and had suffered an abdominal injury at the French Open.
(She) has spoken candidly about the excruciating pain she endured, describing it as some of the worst she has experienced.
Collins has credited the surgeon for saving her career.

Three years after the surgery and two years after the Australian Open finals loss, Collins notched the biggest win of her career at the Miami Open on Saturday, defeating 24-year-old former Wimbledon champion Elena Rybakina, 7-5, 6-3.
But in a twist, two months ago, back in Australia, in that exact same stadium, it was Collins who announced her retirement at the end of the 2024 season.

The 30-year-old revealed after the match that this will be her last year on tour, with the American keen to travel less and eager to raise a family.
“I have other things that I’d kind of like to accomplish in my life outside of tennis and would like to be able to kind of, you know, be able to have the time to be able to do that. Obviously, having kids is a big priority for me,” she told reporters after racing off Rod Laver Arena.

At the time, the statement from a player currently ranked No. 53 didn’t make massive waves. But the American got a new round of “why now?” questions in Florida this week as she continued to stack impressive wins at the WTA 1,000 level tournament. Earlier in the week, she pushed back and suggested a gender double standard.
“You know, I find it so interesting, because I kind of felt like when I was announcing my retirement, everyone has been so, like, congratulating me and so excited for me, but then on the other hand, I feel like I have had to justify my decision a lot,” the former world No. 7 said. “I feel like if I was a guy, I probably wouldn’t have to justify it that much.”
And after winning the whole damn thing, her overall message did not waver.

Danielle Collins says she’s not reconsidering retirement after winning Miami due to her health challenges“Are you reconsidering retirement?”Danielle: “No, I’m not (smiling). Thank you, though. I feel like all of these questions are coming from such a good place, because I… pic.twitter.com/yzxU94qNYT— The Tennis Letter (@TheTennisLetter) March 31, 2024

As tantalizing as it is to see someone in peak-peak form hang it up, it is simultaneously refreshing to see an athlete control their own narrative and maintain such strong conviction in the face of potentially puzzled masses. After all, only Collins herself can know the day-to-day pain level, her big picture goals, and what will ultimately be the most satisfying path forward.
But hell — we haven’t even gotten to the actual tennis yet. That’s the fun part. Collins plays a bruising style, hitting scorching winners that end points before they really even start. She powerfully casts the ball aside with her backhand like she’s fed up her opponent got it over the net even once.
In the Miami quarterfinals, Collins stuffed Caroline Garcia into a tiny trash can.
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It was then you could really tell something special was happening. Your Chicago-based author has a newborn at home but was still fantasizing about buying a plane ticket and getting down to south Florida for her last two potential matches.
This reckless choice would’ve been validated. In the semis, she stuffed Ekaterina Alexandrova — fresh off a straight set win against world No. 1 Świątek — into an equally tiny trash can.
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She dropped 10 games total in the two matches (five in each). But the final, on paper, was the stiffest test yet. Rybakina is a power player’s power player. She stands a clean 6’0’’, two inches taller than Collins, and can serve and smash with the best of them. Her 128 aces are good for No. 2 overall this season on the women’s tour. She’s won 20 matches this season, equalling 2024 Australian Open champion Coco Gauff.
But she was no match for the little girl who promised her father she’d one day play in this very tournament.

Danielle Collins after beating Alexandrova to reach 1st WTA 1000 Final:“Even more special in my home state. My dad said to me when I was a kid ‘You’re only going if you play in the tournament. So you have to make the tournament.’ I’ve had a couple good years here, but this is… pic.twitter.com/4varXfiLIn— The Tennis Letter (@TheTennisLetter) March 29, 2024

Tennis players exist in a reality with laughably slim margins. It sometimes takes an unruly balance of training, skill, and luck to even have a puncher’s chance at sniffing a high level tournament title. This week, Collins had the supportive crowd, big picture narrative, and, probably most importantly, an unburdened mind. She burst into tears near simultaneously after hitting a winner to close out the match on her fourth championship point.

Danielle Collins’ emotional reaction as she wins the biggest title of her lifeShe drops her racquet & puts her hands over her faceIn her last season on tourIn her home stateIf you want it bad enough, fairytales do come true. pic.twitter.com/CCLXU7K5Ek— The Tennis Letter (@TheTennisLetter) March 30, 2024

In sports, we are so often focused on what’s next — Who is our new coach gonna be? … Who are we gonna draft? … Who are we playing on the road next year? — but maybe the biggest lesson of Collins’ title and choice is to simply stop and appreciate what is, in this very moment, right now.
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The next Cortana: Copilot on Windows is no reason to buy a new PC

AI is everywhere. It’s being used to develop new medical treatments, to track climate change, to address world hunger and to fight against malware. However, we also have AI-powered toothbrushes, pillows, mirrors and “mood lighting.” And on your PC, Microsoft wants everyone to use Copilot and even upgrade to a new PC so you can run it locally. But like Cortana, and Microsoft Bob before it, the Copilot on Windows is more spectacle than solution: an answer without a question. In the past week, Microsoft showed us more than ever that it is super-eager — some would say desperate — to get you to use Copilot and build your computing experience around it. At an Intel press event, the chip-giant announced that Microsoft would be building local Copilot processing into a future version of Windows. To take advantage of this upgraded Copilot, you’ll need to buy a new genre of computer, the “AI PC,” which will need to have a new CPU with a neural processing unit (NPU) and a Copilot key on the keyboard. For consumers holding onto 5-year old laptops that still run modern software well, this could be an incentive to finally upgrade.If you’re not yet one of the Copilot faithful, Microsoft is now willing to bend some of its strictest doctrines in order to convert you. Though the company considers it a venial sin to run Windows 11 with a local account – and tries to block you from installing the OS without a Microsoft login – the company just rolled out an Insider build that allows local users to access Copilot (with a limitation on the number of prompts). The local Copilot news comes a few months after the company added Copilot support to Windows 10, a near-end-of-lifed OS that Microsoft wishes you wouldn’t use, but that still accounts for 67 percent of all desktop Windows installations. A few months before that the company added Copilot support to non-Microsoft Browsers such as Chrome and Safari after requiring Edge when Copilot, then called Bing chat, launched in early 2023. Despite Microsoft’s religious fervor for its new Windows chatbot, investors – not users – are the ones getting saved. Since the beginning of 2023, around the time of Bing Chat’s launch, the company’s shares are up 87 percent. Who can blame Microsoft for getting on the AI hype train when other companies are using it as a license to print money.The company is hoping that once you see Copilot on Windows, you’ll either A.) upgrade to a new PC so you can eventually run Copilot locally or B.) pay $20 a month in subscription fees for Copilot Pro, which allows you to generate more images and adds some functionality to Microsoft Office 365, provided that you’re already paying for that. At the very least, the team in Redmond would love for you to use a Microsoft Account for logins so that they can collect more data from you.Join the experts who read Tom’s Hardware for the inside track on enthusiast PC tech news — and have for over 25 years. We’ll send breaking news and in-depth reviews of CPUs, GPUs, AI, maker hardware and more straight to your inbox. What Copilot on Windows Does and Doesn’t Do The only problem here is that Copilot on Windows doesn’t do anything mainstream consumers or business users actually need. And it’s not clear what problems it solves, now or anytime soon. I want to make clear here that I’m talking about “Copilot on Windows,” the version that is part of Windows 11 and (optionally) Windows 10. Microsoft also uses the name Copilot for its web tools and for AI tools that are built into Office. I’ve been testing Copilot on Windows since it first appeared in a Windows 11 Insider Build last year and I can’t find a way in which it helps me work faster or play better. In either Windows 11 or Windows 10, the Copilot icon sits in the lower right corner of the taskbar where you can click it or invoke it by hitting Windows + C or, on some new PCs, a completely unnecessary Copilot key. It then opens a big chat panel on the right side of your desktop and there you can . . . use it the same way you use Bing Chat in your web browser, ChatGPT or Google Gemini.So you can ask Copilot for Windows factual questions, replicating the same AI results you get in a search engine, which have their own set of flaws (incorrect information, plagiarism, bad advice). And you can ask it to generate text or images for you. All of these tasks work exactly the same way if you visit a chatbot in your browser and performing them on the desktop raises the question: “Why not just go directly to Bing?”Finally, and perhaps most importantly, the built-in Copilot can perform a handful of tasks related to your local OS settings and apps, but these are so limited as to be useless. You can ask it to launch an application or change a Windows setting, but doing so is much slower and less precise than performing that same task without Copilot. For example, when I asked Copilot to “open File Explorer,” it hit me with a confirmation box asking if I really wanted it to open the app. So, instead of clicking the Explorer icon in my taskbar or using the Windows Key + E keyboard shortcut, I had to type 19 keystrokes and click one dialog button. It’s also worth noting that typing “file explorer” into the Windows search box effectively does the same thing — finding the app shortcut for you. (Image credit: Tom’s Hardware)Copilot can change a few very basic settings for you, but each one requires you to click a confirmation dialog box. So what we’ve got here is a natural language interface for Windows settings, but not a very good one.Copilot can adjust your volume if you type “mute my volume,” and then click Yes. It can also enable or disable dark mode, set a focus session (limited notifications to help you concentrate) or snap your windows, all of these with confirmation. The confirmation is undoubtedly a security measure to protect against prompt injection and other hacks, but it’s annoying.(Image credit: Tom’s Hardware)If you ask Copilot to take a screenshot, it will launch the Snipping tool without asking for confirmation, but you still need to take the screenshot yourself. Copilot will sometimes send you to various parts of the Settings menu without confirmation, but it won’t actually change a setting for you. For example, telling it to “change my background image,” just opens the Personalization section of settings and leaves you there to interact with the menus yourself.(Image credit: Future)More often than not, Copilot will just give you, in slowly-written text, a tutorial on how to change settings. For example, when I asked it to “change my screen resolution to 1920 x 1080,” it wrote out a series of instructions. And when I asked it more vaguely to “change my display settings,” it popped up a YouTube video from 2020 that was made, not by Microsoft but by someone named “Simon Sez IT.”When I asked it to “uninstall Spotify,” it gave me a YouTube video from someone named SIJ Gamer. All it would have needed to do is open the settings menu to the Apps section, but apparently that was too much to ask.Image […]


Drop-In Switch Mode Regulators

Perhaps the simplest way to regulate a DC voltage is using a voltage divider and/or an active device like a Zener diode. Besides simplicity, they have the additional advantage of not being particularly noisy, but with a major caveat: they are terribly inefficient. To solve this problem a switching regulator can be used instead, but that generally increases complexity and noise. With careful design, though, a switching regulator can be constructed to almost completely replicate a linear regulator like this drop-in TO3 replacement. (Google Translate from German)
While the replacement regulator was built by [Mr. Floppy], the units are being put to the test in the linked video below by [root42]. The major problem these solve compared to other switching regulators is the suppression of ripple, which is a high-frequency artifact that appears on the DC voltage. Reducing ripple in this situation involved designing low-inductance circuit traces on the PCB as well as implementing a number of EMI filters on both input and output. The final result is an efficient voltage supply for retrocomputers which has a ripple lower than their oscilloscopes can measure without special tools.
[root42] is not only testing these, but the linked video also has him using the modules to repair a Commodore 1541 which originally had the linear TO3 voltage regulators. It’s definitely a non-trivial task to build a switching power supply that meets the requirements of sensitive electronics like these. Switch mode power supplies aren’t new ideas, either, and surprisingly pre-date the first commercially-available transistor although modern ones like these are much less expensive to build.

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Intel Battlemage G10 and G21 next-gen discrete GPUs seen in shipping manifests — expected to address entry to mid-range market

Just as Intel said, it is indeed working on its next-generation discrete graphics processors codenamed Battlemage (and we already know it from the horse’s mouth). Based on excerpts from shipping manifests published by @momomo_us, the company is working on at least two graphics processing units.  The excerpts from shipping manifests reveal that Intel is working on both Battlemage G10 and Battlemage G21 discrete GPUs. Intel’s current lineup of graphics processors includes ACM-G11 (entry-level) and ACM-G10 (midrange in terms of market positioning, higher-end in terms of silicon) graphics processors. Based on the existing nomenclature of Intel’s Arc graphics processors, Battlemage-G10 will thus be the bigger silicon, with Battlemage-G21 as the smaller chip aimed at entry-level systems. Assuming that both offer decent performance levels, they may well end up in our list of the best graphics cards.(Image credit: @momomo_us/Twitter)Based on the shipping manifest, both the Battlemage-G10 and the Battlemage-G21 are shipped for R&D purposes (which is pretty much what one would expect for these devices at this point). Meanwhile, the G21 GPU exists in the pre-qualification (pre-QS) phase of silicon, but there is no mention of the G10’s status. Pre-qualification silicon is used to validate the functionality and reliability of a chip and assess performance levels. Pre-QS silicon is typically not qualified for mass production. Yet if the silicon device is functioning and meets performance, power, and yield criteria, it may well be mass-produced. For example, AMD’s Navi 31 GPU is mass-produced in its A0 silicon phase, which assumes that it met the targets set by the developer.We frequently report on Nvidia’s progress, most recently with the GeForce RTX 50-series graphics processors that promise to end up in our best graphics cards list based on industry leaks, but we rarely get to report on Intel’s progress with its next-generation graphics cards. Today we had an opportunity to do so. While Nvidia seems to have a clean sweep on the discrete GPU market for laptops in this generation, Battlemage — given Intel’s relationships with PC makers and OEMs — could pose some serious competition to the green team in the next round. What happens on the desktop discrete GPU market is about to be seen, but the shipment manifest indicates that we are going to have quite a battle there with AMD’s RDNA 4, Intel’s Battlemage, and Nvidia’s Blackwell.Join the experts who read Tom’s Hardware for the inside track on enthusiast PC tech news — and have for over 25 years. We’ll send breaking news and in-depth reviews of CPUs, GPUs, AI, maker hardware and more straight to your inbox. […]


Feelworld DH101 10.1-inch portable monitor review: Small but packed with useful features

If you want a portable monitor that is compact yet still packs a laundry list of features, Feelworld has a solution for you. The company’s DH101 is a 10.1-inch touch screen display with a 60 Hz, 1920 x 1200 IPS panel and integrated speakers It has the usual dual USB-C ports for power and video, mini-HDMI, and a third USB-C port for connecting a mouse, keyboard or storage device.Feelworld combines all this functionality into an attractive design with a well-designed integrated stand for just $133. If you like the 10.1-inch form factor and could benefit from touch, this could be the best portable monitor for you.Feelworld DH101 Portable Monitor SpecificationsSwipe to scroll horizontallyPanel Type / BacklightIPS / WLEDScreen Size / Aspect Ratio10.1 inches / 16:10Max Resolution & Refresh Rate1920 x 1200 @ 60HzMax Brightness350 nitsContrast700:1Ports1x HDMI, 2x DisplayPort (USB-C Alt Mode), 1x USB-C, 3.5 mm headphone jackSpeakersYesTouch SupportYesDimensions9.52 x 5.98 x 0.74 inchesWeight1.43 poundsWarranty1 yearDesign of the Feelworld DH101 Portable MonitorThe DH101 has a rather intriguing design. While the entire device is constructed of plastic, it doesn’t feel cheap like some budget monitors I’ve tested. The plastic itself is thick, with little flex. The grey plastic has a shimmering effect under light, which provides a little bit of visual excitement to monitor. Diagonal lines are sculpted into the back of the monitor and on its kickstand, which is a nice touch and allows for a grippier surface when carrying it around.Speaking of the kickstand, this is perhaps my favorite part of the DH101’s design. When stowed, the stand lays flat against the back of the DH101. To use the kickstand, you simply pull outward, and the stand swings out via the hinge mounted about halfway up the back of the monitor. The hinge is not very stiff; however, the DH101 will sit at any angle you set without issue. Another nice touch is that Feelworld includes a rubber foot at the bottom of the monitor and two feet on the bottom of the kickstand to ensure that it doesn’t slide around on your desk (and it also contributes to maintaining your desired viewing angle).Image […]