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Battery Tester Outperforms Cheaper Options

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Batteries are notoriously difficult pieces of technology to deal with reliably. They often need specific temperatures, charge rates, can’t tolerate physical shocks or damage, and can fail catastrophically if all of their finicky needs aren’t met. And, adding insult to injury, for many chemistries, the voltage does not correlate to state of charge in meaningful ways. Battery testers take many efforts to mitigate these challenges, but often miss the mark for those who need high fidelity in their measurements. For that reason, [LiamTronix] built their own.

The main problem with the cheaper battery testers, at least for [LiamTronix]’s use cases, is that he has plenty of batteries that are too large to practically test on the low-current devices, or which have internal battery management systems (BMS) which can’t connect to these testers. The first circuit he built to help solve these issues is based on a shunt resistor, which lets a smaller IC chip monitor a much larger current by looking at voltage drop across a resistor with a small resistance value. The Pi uses a Python script which monitors the current draw over the course of the test and outputs the result on a handy graph.

This circuit worked well enough for smaller batteries, but for his larger batteries like the 72V one he built for his electric tractor, these methods could draw far too much power to be safe. So from there he built a much more robust circuit which uses four MOSFETs as part of four constant current sources to sink and measure the current from the battery. A Pi Zero monitors the voltage and current from the battery, and also turns on some fans pointed at the MOSFETs’ heat sink to keep them from overheating. The system can be configured to work for different batteries and different current draw rates, making it much more capable than anything off the shelf.

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Call of Duty: Warzone is finally saying goodbye to PS4 and Xbox One

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Activision is ending Call of Duty: Warzone support for PS4 and Xbox One later this year, drawing a line under the battle royale’s last-gen era at a moment when the cost of upgrading to current hardware has risen sharply for players who have held off.

The game will be removed from PS4 and Xbox One storefronts on 4 June and will no longer be available to download, with Activision removing the in-game store on both platforms on 25 June before Warzone becomes fully unplayable once Call of Duty: Modern Warfare 4 season 1 begins later this year.

The timing adds friction for remaining last-gen players, as both Sony and Microsoft have raised console prices over the past year, leaving the PS5 and Xbox Series X each sitting $150 above their original $499 launch prices.

Activision announced the Warzone changes on the same day it revealed Call of Duty: Modern Warfare 4, which will launch on PS5, Xbox Series S and X, and Nintendo Switch 2, marking the first Call of Duty title to appear on a Nintendo platform following the 10-year deal Microsoft agreed with Nintendo as part of its Activision Blizzard acquisition.

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What happens to last-gen players

Players on PS4 and Xbox One will need to move to a PS5 or Xbox Series S or X to continue playing Warzone once season 6 of Call of Duty: Black Ops 7 concludes, with Activision confirming the full cutoff is tied to the Modern Warfare 4 season 1 launch window.

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The deprecation reflects a broader industry shift away from last-gen hardware, with developers increasingly unwilling to maintain split builds across console generations as the PS4 and Xbox One user base continues to shrink more than four years after their successors launched.

All of that remains subject to change in terms of exact timing, however, with Activision yet to confirm a specific date for when Modern Warfare 4 season 1 will begin and last-gen support will officially end for those already playing.

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SpaceX just won a second Golden Dome contract. This one is $4.16 billion.

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TL;DR

SpaceX won a $4.16B Space Force contract for missile-tracking satellites. Combined with a $2.29B deal from Tuesday, it holds $6.45B in Golden Dome work.

The US Space Force awarded SpaceX a $4.16 billion contract on Friday to build satellites that track foreign aircraft and missiles. The programme is called Space-Based Advanced Moving Target Indicator, or SB-AMTI. It is part of the Trump administration’s $185 billion Golden Dome missile defence initiative.

Two days earlier, the Space Force awarded SpaceX $2.29 billion for the Space Data Network Backbone, a secure communications layer built on Starshield satellites. Combined, SpaceX now holds approximately $6.45 billion in Golden Dome contracts. That figure exceeds the combined prototype awards given to every other company in the programme.

The AMTI satellites are designed as an interconnected system combining space-based sensors, secure communications links, and AI-enabled ground processing. The system will detect, track, and alert for airborne threats from orbit. The US has historically relied on ground-based sensors and military aircraft for this function.

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Placing detection capabilities in space eliminates potential blind spots that ground-based systems cannot cover. The Space Force described the architecture as designed to “drive closer cooperation across the government space industrial base.” SpaceX must integrate the AMTI sensors with the data transport backbone it is already building under the separate $2.29 billion contract.

The scale of SpaceX’s Golden Dome position is unprecedented for a commercial contractor. The programme has distributed more than $3.2 billion in prototype contracts across SpaceX and 11 other firms, including Anduril, Lockheed Martin, Northrop Grumman, Raytheon, and True Anomaly. SpaceX’s $4.16 billion AMTI contract alone exceeds that entire prototype pool.

SpaceX filed its IPO prospectus last week, targeting a valuation of more than $1.75 trillion. The company is expected to raise approximately $75 billion in what would be the largest IPO in history. Every new defence contract adds to the revenue narrative that underpins the listing.

The timing is notable. Two major Golden Dome contracts awarded in the same week as a Starship V3 test flight and an IPO roadshow preparation creates a cadence that looks orchestrated to maximise pre-IPO momentum. SpaceX held more than $22 billion in government contracts as of 2024. The Golden Dome awards add meaningfully to that base.

The Golden Dome programme’s total cost has risen to $185 billion, up $10 billion from the original estimate, after the programme director approved an acceleration of space-based capabilities in March. The fiscal 2027 budget request includes initial Golden Dome funding. Full-scale procurement is expected to begin post-2028.

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True Anomaly raised $650 million in April after being selected for Golden Dome space-based interceptor prototypes. Anduril raised $5 billion at a $61 billion valuation. Both are working on separate Golden Dome layers. But neither holds a position comparable to SpaceX’s combined sensing, tracking, and communications role.

The conflict-of-interest concerns that have surrounded SpaceX’s government contracting are amplified by the Golden Dome awards. Elon Musk is simultaneously the largest financial backer of the sitting president, the CEO of the company receiving the contracts, and the owner of a social media platform that shapes public discourse about the programme. The IPO prospectus acknowledges government contract risk but does not address the political dimensions directly.

Friday’s Starship V3 test flight demonstrated that SpaceX can deploy satellites from the vehicle, even though the Super Heavy booster was destroyed after separation. The AMTI constellation will eventually require launch capacity that only Starship can provide at scale. The contract, the IPO, and the rocket programme are three legs of the same strategy.

Two contracts, $6.45 billion, four days. SpaceX is not just participating in Golden Dome. It is becoming the programme’s commercial backbone. Whether that concentration of national security infrastructure in a single pre-IPO company is a strategic advantage or a systemic risk is a question the Space Force has implicitly answered by signing the contracts. The market will answer it again when the IPO prices in June.

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This is our best look yet at Apple’s big Siri reboot for iOS 27

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Apple is preparing to overhaul Siri at WWDC 2026 in ways that go well beyond a simple feature update, and we’ve just had our first look at the redesigned UI.

Bloomberg’s Mark Gurman has published an early preview of the company’s redesign of the iPhone’s interface, placing its Gemini-powered AI agent at the centre of everyday use.

The redesign moves Siri into the iPhone’s Dynamic Island, where it will remain accessible via voice, the power button, or a new downward swipe from the top centre of the screen that opens a “Search or Ask” interface drawing on elements from iOS 26‘s existing Search experience.

That interface brings together familiar features like Siri Suggestions alongside new functionality, with Gurman reporting it will support app launches, text messages, calendar appointments, note searches, and more, with results surfacing in a rich text card that expands directly from the Dynamic Island.

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Siri redesigned interface iOS 27Siri redesigned interface iOS 27
Image Credit (Bloomberg)

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Swiping further down opens a full chatbot-style conversation view inside a dedicated Siri app, which Apple intends to position as a direct competitor to ChatGPT and Claude, supporting text and voice input alongside photo and document uploads and persistent conversation history.

Interface and camera changes

To accommodate Siri’s new prominence, Apple is moving Notification Centre access to a pull-down from the top left of the screen, a small but consequential shift that reflects how central the assistant has become to the iPhone’s navigation logic.

iPhone Camera app redesign iOS 27iPhone Camera app redesign iOS 27
Image Credit (Bloomberg)

Camera and Photos also see significant changes, with a new mode set to replace Visual Intelligence by combining Google reverse image search with third-party AI analysis, while the Photos app gains Reframe and Extend tools that use AI to alter image perspective or generate content beyond a photo’s existing frame.

Underpinning all of it is a Siri that can search the web and draw on-screen context and personal data to complete tasks, with Gurman noting the assistant will be able to cross-reference a user’s calendar availability before scheduling anything.

All of that remains subject to change, however, with Gurman noting Apple tests multiple designs internally and the final version shown at WWDC on 9 June could differ from what Bloomberg has illustrated, with a release expected as early as September.

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Europe fines Temu $232 million over illegal and unsafe product listings

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The European Commission has announced its second fine ever against an international company for violating the Digital Services Act. Temu, the controversial Chinese online marketplace for low-cost products, was found to have played a role in the sale of illegal goods that could have harmed consumers in the European Union.
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Are you actually using AI on your PC?

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AI is everywhere now, or at least that is what the industry keeps telling us. It is in browsers, search engines, image editors, office suites, developer tools, Windows, phones, and soon enough, probably your toaster. But there is a difference between AI being available and AI becoming part of your…
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Two Brothers Made an Entire Feature Film With AI, Called ‘Dreams of Violets’, and it Premieres at Tribeca in June

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AI Film Dreams of Violets Tribeca
The AI movie Dreams of Violets is the creation of Ash Koosha and his brother Pooya. As for the direction, writing, and production of this movie, the two brothers created the film as part of their production company Fountain 0. At the time of its production, Ash was in London, and the movie took about three months to make, with a production budget of just $2,000.



Yes, everything had been created using AI; at first, Ash recorded some temporary voices for the characters before taking various methods to translate text into an animation sequence. Kling AI had the responsibility of translating still images into video footage with the help of Claude. The twin brothers also used their own technology at Fountain 0 to keep the characters consistent throughout scenes as well as to make camera movements look natural.

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The story is set in Tehran in January 2026. It is based on actual reports, images, and accounts from persons who observed the protests, which were greeted with violent force by the authorities and resulted in major bloodshed. The film tells the narrative of five strangers who find themselves in the same dead-end alley before dawn, trapped between forces closing in on them. A soldier stumbles across them, while a child named Amir watches over them from a window in his wheelchair.

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According to Ash Koosha, it was a very personal project for him, because he and his brother had to flee from Iran in 2009, but nowadays the news becomes really important because it’s very hard to receive trustworthy reports while you have no communications and everything around is unknown to you. The movie itself is rather a fiction based on reality, because Ash wanted to concentrate on the human aspect of the matter, and not on the chaos itself.

The Tribeca Festival elected to include Dreams of Violets in their main schedule, and it will screen in New York on June 10th as part of a run that begins June 3rd and ends June 14th. Festival co-founder Jane Rosenthal was amazed by how they were able to blend new technology with the strength of the tales being told, and she believes it’s an excellent example of how technology is being used to deliver stories that we really need to hear right now.
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Quilts Are Better Than Sleeping Bags

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I used to say that all my best days started with waking up in a sleeping bag. Waking up in a sleeping bag usually means you’re out there somewhere, doing something interesting. In the past couple of years, though, I’ve found myself waking up out there to wonderful days spent doing interesting things, but without a sleeping bag in sight. Instead, I’m sleeping in what thru-hikers and ultralight redditors call a quilt.

This is not a quilt like the one your grandmother gave you. Backpacking quilts are made of nylon and filled with down like a traditional sleeping bag. The difference is that they lay over you like, well, a quilt, rather than wrapping all the way around you like a sleeping bag. The benefit is twofold: A quilt is lighter, meaning less weight to carry in your pack, and, as an added bonus, I sleep better than I ever have in the backcountry.

Mummified

Let’s face it, there’s a reason backpackers have nicknamed sleeping bags “mummy bags.” They’re constricting at the best of times, suffocating at the worst. I don’t know about you, but for me, there’s nothing about a mummy that I want to emulate, not even when I’m sleeping. I was, therefore, as well primed as anyone to jump on the quilt bandwagon when it really began to take off a few years ago. And yet, I didn’t. Perhaps it was something like Stockholm Syndrome; I’d finally accepted the mummy thing and was, honestly, a little nervous to give up my sleeping bag for a quilt. But then I did, and I’m never coming back. Or mostly never coming back.

But first, what’s the difference between a sleeping bag and a quilt? As briefly noted above, the quilt goes on top of you, rather than all around you like a sleeping bag. Consider the burrito vs. the taco. In this case, the sleeping bag/quilt is the tortilla and you are the filling. Would you rather be wrapped up like a burrito? Sleeping bag. Prefer the obviously superior experience of the taco, with its warm, soft tortilla lying on top of you? You’re (potentially) a quilt person.

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The science here is that when you lie down in your traditional sleeping bag, the weight of your body forces most of the down fill off to the sides. The down left under you is so compacted you’re not getting any real insulation from it anyway—so why carry that extra nylon and down around? Enter the quilt. Quilts get rid of the bottom layer of useless nylon and down, and lay over you like the quilt on your bed at home. Quilts typically weigh less than sleeping bags and pack down smaller, making them very popular with backpackers trying to reduce weight and save space.

While I think the weight savings make quilts a great choice for anyone looking to carry a lighter load, how much you love a quilt over a sleeping bag will depend somewhat on how you sleep. If you’re a taco person, and the thought of having a sleeping bag wrapped up like burrito gives you the sweats just thinking it, the quilt is your happy, happy future. Or, if you like to curl up in a ball, move around a lot at night, are a side sleeper, or want to share covers with your tent mate, then again, the quilt is for you.

If you rarely move around at night, sleeping somewhat like a mummy, then you might not mind a traditional sleeping bag and wouldn’t share my enthusiasm for the quilt.

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iPhone 18 Pro Dummy Units Show Four Colors Ready for Case Makers

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iPhone 18 Pro Dummy Units Colors Leak
Photo credit: Sonny Dickson
Images shared this week by longtime leaker Sonny Dickson give the first clear look at the finishes Apple appears ready to offer on the iPhone 18 Pro. Four dummy units sit side by side, each finished in a different shade and built to the same overall shape as last year’s Pro model. Four color choices stand out clearly in the shared photos.


iPhone 18 Pro Dummy Units Colors Leak
Dark Cherry appears to be a deep, rich color with an almost wine-like depth that can shift to a purple-tinged hue depending on how the light hits it. Light Blue gives off a gentler, more airy vibe, similar to the misty hue of the former base model Sierra Blue finishes or the more traditional era finishes. Silver is back in a very straightforward metal finish, while Dark Gray steps up as the new black option, with its dark finish sitting very close to the deep blue from the iPhone 17 Pro and the classic Black Titanium look from the iPhone 16 Pro days, as anyone who has missed the black option in recent years should be very happy to hear it is back.

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Taking a closer look at the camera area reveals some subtle changes. The rectangular glass strip beneath the primary camera bar has been tweaked to match the surrounding metal frame much better than previously, and it now rests somewhat higher on the body. These improvements are minimal, but they are quite helpful to case manufacturers since they provide them with the exact measurements they need to get started right away. The remainder of the fake units are based on the same layout as the 17 Pro, and it’s nice to see that button placement, port locations, and proportions are all accurate.

iPhone 18 Pro Dummy Units Colors Leak
As is customary, dummy units like these exist primarily for accessory makers to test their designs and ensure fit and finish before receiving real production units. History suggests that Apple’s color options are occasionally trimmed shortly before they hit shops, so one of these hues (Dark Cherry, Light Blue, or the original black) may yet be removed before the phones arrive in the autumn.

iPhone 18 Pro Dummy Units Colors Leak
The iPhone 17 Pro was available in Cosmic Orange, Deep Blue, and Silver, but the new version replaces the deep blue with Dark Cherry and Light Blue, as well as the new Black. These early versions already provide a solid indication of what to expect, allowing case makers to finalize their designs and purchasers to determine which one will best suit them months before the official release. With a September launch date now seeming certain, we have a better sense of what colors to expect, although we wouldn’t be surprised if the Ultra, is released before the big day.

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Take The Reins Of This Unique Controller

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Many simulator-style games have their own dedicated controllers, from racing sims with pedals, steering wheels, and shifters to flight sims which have their own joysticks and sometimes entire cockpits. But for how prevalent riding horses is in a wide array of video games from Red Dead Redemption to Zelda to The Witcher we’re not sure we’ve ever seen a controller built specifically for riding virtual horses, at least not until [Squalius] built this horse riding controller.

[Squalius] has been working through a few prototypes of his OpenRidingController and has a fairly complete riding setup now, complete with reins and stirrups for controlling one’s in-game companions. The reins are attached to infrared distance sensors which can send analog signals to the game for controlling steering, and are attached to each other through an elastic band to provide a more realistic feeling when both are pulled to ask the horse to stop. The stirrups can be pulled to tell the horse to move at various speeds, and although a horse doesn’t need to be commanded to jump in real life, this controller provides a method for jumping an in-game horse as well.

Although we’ve mentioned a few games famous for using horses already, [Squalius] also added a handheld joystick to enable his controller to be used in less-conventional games like Minecraft where the player can use a mod to add a horse, and has also used his controller to play DOOM as well. As its name suggests it’s also open source and the code for it is all available on the project’s GitHub page. It’s a type of controller we didn’t realize we were missing until now, and perhaps we would have expected to see one before something like a controller meant for a virtual trombone.

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Thanks to [Keith] for the tip!

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007 First Light Is The Stealthy James Bond Game I’ve Dreamed Of

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IOI’s Hitman roots are clear from the very beginning of First Light, but they become even more apparent once you reach the end of spy school. First you have to infiltrate a crowded night club to track down a suspect, which hearkens back to a handful of classic Hitman levels. The game’s scale becomes truly apparent in the second mission, where you’re looking for a former MI:6 agent in a boutique hotel (which also happens to be holding a chess tournament). The hotel itself is massive, immaculately designed and filled with dozens of guests and attendees, many of which are involved in scripted routines or conversations. This one portion of First Light’s clockwork pocket universe feels more alive than many soulless open world games.

It’s not quite an immersive sim like the Dishonored games, but in true Hitman fashion, you can accomplish your objectives in multiple ways. Just don’t expect to go in guns blazing. In most scenarios, First Light‘s “License to Kill” feature prohibits you from firing on enemies unless they pull their guns first. It’s really just a reminder that you’re not playing a cold-blooded assassin, and it encourages you to spend your time stealthily moving around environments and taking down enemies silently.

The game is thankfully more forgiving than Hitman if you blow your cover, where doing so could alert the entire map and force you to re-load a save. If an enemy spots Bond, you can just beat them down or slam them into nearby surfaces. Things get more complicated if multiple enemies see you, but you can still proceed with your mission once you take care of them.

While First Light remains relatively grounded most of the time, it wouldn’t be a Bond game without a few elaborate set pieces. You’ll find yourself parkouring through London skylines (a nod to Casino Royale’s opening), having fist fights where you’re crashing through multiple floors and plowing through cars in a garbage truck. There are also a handful of shootouts where you’ll have to mow down dozens of enemies, which offer visceral thrills but also quickly feel repetitive.

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IOI has clearly spent more time thinking about stealth than large-scale action, and it’s sometimes tough to tell where you need to go when 20 people are shooting at you. I replayed the first major shootout, which took place in an airport, around 10 times before I found a survivable pathway. (For the easily frustrated, you can also reduce your difficulty level on the fly.)

Perhaps it was just a result of flying through the game for this review, but it was hard to ignore pacing issues throughout First Light. As the action and nefarious conspiracy escalates, the game gets bogged down by extended stealth sequences, fetch quests and half-hearted boss fights. They don’t ruin First Light’s overall experience, but it definitely feels like it could use some narrative tightening.

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