index hackaday
[Link] VR Sickness: A New, Old Problem
Read: 29/11/2022 hackaday.com
Have you ever experienced dizziness, vertigo, or nausea while in a virtual reality experience? That’s VR sickness, and it’s a form of motion sickness.
[Link] Hardware Store Chemicals Transform Sheets Into Waterproof Tarps
Read: 23/11/2022 hackaday.com
For hackers in the Northern Hemisphere, the seasons of wet and cold are upon us.
[Link] PlayStation 2 Gets A Seamless Media Center Makeover
Read: 4/7/2022 hackaday.com
We often see Raspberry Pi boards of various flavors stuck inside vintage computers and the like. [El Gato Guiri] has instead installed one inside a PlayStation 2 Slim, and rather artfully at that. The result is a tidy little media center device.
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[Link] 25 years later, this museum figured out how to stop screen cheating in GoldenEye
Read: 10/5/2022 www.pcgamer.com
Screen cheating has always been the bane of split screen gaming. There's nothing quite like sneakily creeping around corners only to find out your opponent has been right there waiting for you. Not out of any deduction or skill, just their ability to look at your portion of the screen. GG indeed.
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[Link] Coin Acceptors Are Higher-Tech Than You Think
Read: 13/4/2022 hackaday.com
Coin-operated machines have a longer history than you might think. Ancient temples used them to dispense, for example, holy water to the faithful in return for their coins. Old payphones rang a bell when you inserted a coin so the operator knew you paid.
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[Link] Night Vision: Now In Color
Read: 10/4/2022 hackaday.com
We’ve all gotten used to seeing movies depict people using night vision gear where everything appears as a shade of green.
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[Link] The Virtue Of Wires In The Age Of Wireless
Read: 10/4/2022 hackaday.com
We ran an article this week about RS-485, a noise resistant differential serial multidrop bus architecture. (Tell me where else you’re going to read articles like that!) I’ve had my fun with RS-485 in the past, and reading this piece reminded me of those days.
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[Link] Soil Moisture Sensor Coating Lessons Learned The Hard Way
Read: 3/3/2022 hackaday.com
Ever wanted to measure soil moisture? Common “soil moisture meter module arduino raspberry compatible free shipping” PCBs might deceive you with their ascetic looks.
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[Link] The Antonov An-225 Seems To Have Been Destroyed After All
Read: 3/3/2022 hackaday.com
Something that probably unites most Hackaday readers is a love of machines, particularly unique or interesting ones.
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[Link] Pump Up The Resin
Read: 13/2/2022 hackaday.com
Sometimes the best ideas are simple and seem obvious after you’ve heard them. [Danny] showed us a great idea that fits that description. He uses a peristaltic pump to move resin in and out of his print bed. (Video, embedded below.
[Link] Copyright, What You Need To Know
Read: 6/2/2022 hackaday.com
Last week brought the story of a group of crypto enthusiasts who paid well over the going rate for a rare sci-fi book, then proposed encoding scans of all its pages in a blockchain before making and selling NFTs of them. To guarantee their rarity the book was then to be burned.
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[Link] Rainbow DIP Switch Is The Coolest Way To Configure Your Project
Read: 2/2/2022 hackaday.com
Oftentimes, when programming, we’ll put configuration switches into a config file in order to control the behaviour of our code. However, having to regularly open a text editor to make changes can be a pain.
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[Link] Long Range Burglar Alarm Relies On LoRa Modules
Read: 30/1/2022 hackaday.com
[Elite Worm] had a problem; there had been two minor burglaries from a storage unit. The unit had thick concrete walls, cellular signal was poor down there, and permanent wiring wasn’t possible. He thus set about working on a burglar alarm that would fit his unique requirements.
[Link] Code Wrong: Expand Your Mind
Read: 30/1/2022 hackaday.com
The really nice thing about doing something the “wrong” way is that there’s just so much variety! If you’re doing something the right way, the fastest way, or the optimal way, well, there’s just one way. But if you’re going to do it wrong, you’ve got a lot more design room.
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[Link] Blast Chips With This BBQ Lighter Fault Injection Tool
Read: 30/1/2022 hackaday.com
Looking to get into fault injection for your reverse engineering projects, but don’t have the cash to lay out for the necessary hardware? Fear not, for the tools to glitch a chip may be as close as the nearest barbecue grill.
[Link] Hack The Web Without A Browser
Read: 19/1/2022 hackaday.com
It is a classic problem. You want data for use in your program but it is on a webpage. Some websites have an API, of course, but usually, you are on your own. You can load the whole page via HTTP and parse it. Or you can use some tools to “scrape” the site.
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[Link] ESP8266 Based WiFi Game Boy Cartridge Browses WikiPedia
Read: 19/12/2021 hackaday.com
[Sebastian Staacks] came across his old Game Boy and was wondering (as you do) what happened to recent attempts at getting a WiFi interface wedged into a standard cartridge. After a while the conclusion was that people had been scuppered by approaching the problem in a way that made it too hard.
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[Link] Oh Deere, Is That Right To Repair Resolution Troubling You?
Read: 14/12/2021 hackaday.com
Over the years a constant in stories covering the right to repair has come from an unexpected direction, the farming community.
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[Link] Cracking The Spotify Code
Read: 8/12/2021 hackaday.com
If you’ve used Spotify, you might have noticed a handy little code that it can generate that looks like a series of bars of different heights. If you’re like [Peter Boone], such an encoding will pique your curiosity, and you might set out to figure out how they work.
[Link] Bridging Game Worlds With The ‘Impossible’ Pokémon Trade
Read: 8/12/2021 hackaday.com
Transferring hard-earned Pokémon out of the second generation GameBoy game worlds into the ‘Advance Era’ cartridges (and vice versa) has never been officially supported by Nintendo, however [Goppier] has made these illicit trades slightly easier for budding Pokémon trainers by way of a custom
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[Link] This Ham Radio Is Unsafe At Any Frequency
Read: 6/12/2021 hackaday.com
When we were kids we rode bicycles without pads and helmets. We drank sugary drinks. We played with chemistry sets and power tools. We also built things that directly used AC line current.
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[Link] Is The Game Up For Baofeng In Europe?
Read: 5/12/2021 hackaday.com
For radio enthusiasts worldwide, the inexpensive Chinese handheld radios produced by the likes of Baofeng and other brands have been a welcome addition to their arsenal.
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[Link] Korean Facial Recognition Project Faces Opposition
Read: 1/12/2021 hackaday.com
It was discovered last month that a South Korean government project has been providing millions of facial images taken at Incheon International Airport to private industry without the consent of those photographed.
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[Link] A Super Speedy Lightweight Lossless Compression Algorithm
Read: 30/11/2021 hackaday.com
[Dominic Szablewski] was tinkering around with compressing RGB images, when he stumbled upon idea of how to make a simple lossless compression algorithm, resulting in the Quite OK Image Format, which seems to offer comparable file sizes to the PNG format but is so simple it runs up to 50 times faste
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[Link] Russian Anti-Satellite Weapon Test Draws Widespread Condemnation
Read: 17/11/2021 hackaday.com
On the morning of November 15, a Russian missile destroyed a satellite in orbit above Earth.
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[Link] Microplastics Are Everywhere: Land, Sea And Air
Read: 17/11/2021 hackaday.com
Plastics took off in the 20th century, with the new class of materials finding all manner of applications that metal, wood and paper simply couldn’t deliver on. Every field from electronics to the packaging of food found that plastics could play a role.
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[Link] Tech In Plain Sight: Eyeglasses
Read: 16/11/2021 hackaday.com
Glasses wearers, try a little experiment. Take off your glasses and look at this page or, at least, at something you can’t see well without your glasses. Now imagine if you lived in a time where there was nothing to be done about your vision.
[Link] How to Build an E-Paper To-Do List with Raspberry Pi
Read: 15/11/2021 www.tomshardware.com
I’ve often struggled with procrastination, and to-do applications have been lifesaving. I sometimes find myself needing a reminder to just focus on getting the most important task done before working on anything else.
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[Link] Those Bullet Effects In Terminator 2 Weren’t CGI
Read: 15/11/2021 hackaday.com
Remember Terminator 2? Guns were nearly useless against the murderous T-1000, played by Robert Patrick. Bullets fired at the “liquid metal” robot resulted only in a chrome-looking bullet splash that momentarily staggered the killing machine.
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[Link] Prototyping Your Way To Better Prototypes
Read: 14/11/2021 hackaday.com
If you’ve ever made a prototype of something before making the “real” one or even the final prototype, you probably already know that hands-on design time can’t be beat.
[Link] Solar Cells, Half Off
Read: 7/11/2021 hackaday.com
A company named Leap Photovoltaic claims they have a technology to create solar panels without silicon wafers which would cut production costs in half.
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[Link] Removing DRM From Aaron Swartz’s EBook
Read: 7/11/2021 hackaday.com
After his death, Aaron Swartz became one of the Internet’s most famous defenders of the free exchange of information, one of the most polarizing figures on the topic of intellectual property, and the most famous person that still held on to the ideals the Internet was founded on.
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[Link] Malamud’s General Index: Research Gist, No Slap On The Wrist
Read: 7/11/2021 hackaday.com
Tired of that unsettling feeling you get from looking for paywalled papers on that one site that shall not be named? Yeah, us too. But now there’s an alternative that should feel a little less illegal: this new index of the world’s research papers over on the Internet Archive.
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[Link] ‘Tiny Wake-Up Light Is Hugely Bright
Read: 6/11/2021 hackaday.com
Let’s face it — waking up is rough no matter what time of year it is. But the darkness of fall and winter makes it so much worse.
[Link] Separating Ideas From Words
Read: 6/11/2021 hackaday.com
We covered Malamud’s General Index this week, and Mike and I were talking about it on the podcast as well. It’s the boldest attempt we’ve seen so far to open up scientific knowledge for everyone, and not just the wealthiest companies and institutions.
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[Link] Inkplate Comes Full Circle, Becomes True Open Reader
Read: 4/11/2021 hackaday.com
Regular readers will likely remember the Inkplate, an open hardware electronic paper development board that combines an ESP32 with a recycled Kindle screen.
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[Link] Aerodynamic Buoyant Blimp Budges Into Low Cost Cargo Commerce
Read: 4/11/2021 hackaday.com
Before the Wright Brothers powered their way across the sands of Kitty Hawk or Otto Lilienthal soared from the hills of Germany, enveloping hot air in a balloon was the only way to fly. Concepts were refined as time went by, and culminated in the grand Zeppelins of the 1930’s.
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[Link] Python Ditches The GILs And Comes Ashore
Read: 3/11/2021 hackaday.com
The Python world has been fractured a few times before. The infamous transition from version 2 to version 3 still affects people today, and there could be a new schism in the future.
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[Link] Modded GBA SP Does Its Best Switch Impression
Read: 2/11/2021 hackaday.com
The whole idea behind the Nintendo Switch is that the system isn’t just a handheld, but can be converted into a more traditional home game console when placed into its dock.
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[Link] Hacking An Obsolete Yet Modern Calculator
Read: 1/11/2021 hackaday.com
The gold standard for graphing calculators, at least in the US, are the Texas Instruments TI-84 series. Some black sheep may have other types, but largely due to standardized testing these calculators dominate the market.
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[Link] The Pi Zero 2 W Is The Most Efficient Pi
Read: 1/11/2021 hackaday.com
Last week we saw the announcement of the new Raspberry Pi Zero 2 W, which is basically an improved quad-core version of the Pi Zero — more comparable in speed to the Pi 3B+, but in the smaller Zero form factor.
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[Link] The Sincerest Form Of Flattery: Cloning Open-Source Hardware
Read: 31/10/2021 hackaday.com
We’re great proponents (and beneficiaries) of open-source hardware here at Hackaday. It’s impossible to overstate the impact that the free sharing of ideas has had on the hacker hardware scene.
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[Link] Extracting Data From Smart Scale Gives Rube Goldberg A Run For His Money
Read: 31/10/2021 hackaday.com
[Kevin Norman] got himself a smart body scale with the intention of logging data for his own analysis, but discovered that extracting data from the device was anything but easy. It turns out that the only way to access data from his scale is by viewing it in a mobile app.
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[Link] ESP32 Internet Radio Is No Game
Read: 31/10/2021 hackaday.com
More than once, we’ve looked at a cool board like the TTGO T-Display and thought, “What can we build with this?” If you are [Volos Projects], the answer is a tiny Internet radio. He’s done a lot of other projects with the board including some games and a weather station.
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[Link] A Fascinating Plot Twist As Researchers Recreate Classic “Primordial Soup” Experiment
Read: 31/10/2021 hackaday.com
Science is built on reproducibility; if someone else can replicate your results, chances are pretty good that you’re looking at the truth. And there’s no statute of limitations on reproducibility; even experiments from 70 years ago are fair game for a fresh look.
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[Link] Speaker ‘Stun Gun’ Aims To Combat China’s Dancing Grannies
Read: 28/10/2021 hackaday.com
One of the more popular social activities in China is group dancing in public squares. Often the pastime of many middle-aged and older women, participants are colloquially referred to as “dancing grannies.
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[Link] Supply Chain Attack: NPM Library Used By Facebook And Others Was Compromised
Read: 25/10/2021 hackaday.com
Here at Hackaday we love the good kinds of hacks, but now and then we need to bring up a less good kind. Today it was learned that the NPM package ua-parser-js was compromised, and any software using it as a library may have become victim of a supply chain attack.
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[Link] In Search Of The First Comment
Read: 25/10/2021 hackaday.com
Are you writing your code for humans or computers? I wasn’t there, but my guess is that at the dawn of computing, people thought that they were writing for the machines.
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[Link] ESP32-Cam Makes A Dandy Motion Detector
Read: 24/10/2021 hackaday.com
Halloween is right around the corner and just about every Halloween project needs some kind of motion sensor. Historically, we’ve used IR and ultrasonic sensors but [Makers Mashup] decided to use an ESP32-Cam as a motion sensor in his latest animatronic creation.
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[Link] Vizio In Hot Water Over Smart TV GPL Violations
Read: 22/10/2021 hackaday.com
As most anyone in this community knows, there’s an excellent chance that any consumer product on the market that’s advertised as “smart” these days probably has some form of Linux running under the hood.
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[Link] Overclocker doubles Raspberry Pi's clock speed to an incredible 3GHz
Read: 20/10/2021 www.pcgamer.com
The Raspberry Pi is hardly what you'd call a performance machine. Even so, with each iteration, it has been getting faster and more capable—to the point where you can now use the Raspberry Pi 4 Model 4 as a desktop PC.
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[Link] ESP32 Clock Pushes Outrun Graphics Over Composite
Read: 19/10/2021 hackaday.com
We’ve covered plenty of clocks powered by the ESP32, but this one from [Marcio Teixeira] is really something special. Rather than driving a traditional physical display, the microcontroller is instead generating a composite video signal of an animated digital clock.
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[Link] Turning Old Masks Into 3D Printer Filament
Read: 19/10/2021 hackaday.com
Disposable masks have been a necessity during the COVID-19 pandemic, but for all the good they’ve done, their disposal represents a monumental ecological challenge that has largely been ignored in favor of more immediate concerns.
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[Link] PineTime Smartwatch And Good Code Play Bad Apple
Read: 17/10/2021 hackaday.com
PineTime is the open smartwatch from our friends at Pine64. [TT-392] wanted to prove the hardware can play a full-motion music video, and they are correct, to a point.
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[Link] Where You Are Influences What You Invent
Read: 17/10/2021 hackaday.com
[Timon] just bought a new PCB holder setup for his desk. It’s one of those spring-loaded jobbies that uses strong magnets to hold it up off of a work surface, and is made of metal so that you can reflow solder with it.
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[Link] Electronic Covid Test Tear Down Shows Frustrating Example Of 1-Time-Use Waste
Read: 17/10/2021 hackaday.com
The latest video from [TheSignalPath] is a result of his purchase of a home COVID-19 test. He found an electronic version that connects to your cell phone and displays the results on the phone.
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[Link] 3D Print A Custom T-Shirt Design, Step-by-Step
Read: 17/10/2021 hackaday.com
Want to make a t-shirt with a custom design printed on it? It’s possible to use a 3D printer, and Prusa Research have a well-documented blog post and video detailing two different ways to use 3D printing to create colorful t-shirt designs.
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[Link] Automate The Freight: Autonomous Ships Look For Their Niche
Read: 11/10/2021 hackaday.com
It is by no means an overstatement to say that life as we know it would grind to a halt without cargo ships.
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[Link] Linux Fu: Globs Vs Regexp
Read: 10/10/2021 hackaday.com
I once asked a software developer at work how many times we called fork() in our code. I’ll admit, it was a very large project, but I expected the answer to be — at most — two digits. The developer came back and read off some number from a piece of paper that was in the millions.
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[Link] BFree Brings Intermittent Computing To Python
Read: 29/9/2021 hackaday.com
Generally speaking, we like our computing devices to remain on and active the whole time we’re using them. But there are situations, such as off-grid devices that run on small solar cells, where constant power is by no means a guarantee.
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[Link] IC Shortage Keeps Linux Out Of Phone Charger, For Now
Read: 29/9/2021 hackaday.com
We’ve been eagerly following the development of the WiFiWart for some time now, as a quad-core Cortex-A7 USB phone charger with dual WiFi interfaces that runs OpenWrt sounds exactly like the sort of thing we need in our lives.
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[Link] Firmware Find Hints At Subscription Plan For ReMarkable Tablet
Read: 22/9/2021 hackaday.com
We’ve been keeping a close eye on the development of electronic paper tablets such as the reMarkable for a while now. These large-format devices would be a great way to view schematics and datasheets, and with the right software, could easily become an invaluable digital sidekick.
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[Link] New Part Day: DLP300s The Next Big Thing For Low Cost Resin Printing?
Read: 1/9/2021 hackaday.com
The majority of non-SLA resin 3D printers, certainly at the hacker end of the market, are most certainly LCD based. The SLA kind, where a ultraviolet laser is scanner via galvanometers over the build surface, we shall consider no further in this article.
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[Link] School Surplus Laptop BIOS Hacked To Remove Hardware Restrictions
Read: 23/8/2021 hackaday.com
Why did [Hale] end up hacking the BIOS on a 10 year old laptop left over from an Australian education program? When your BIOS starts telling you you’re not allowed to use a particular type of hardware, you don’t have much of a choice.
[Link] Bitcoin In For Bumpy Ride As China Crackdown Shakes Things Up
Read: 22/8/2021 hackaday.com
Bitcoin. The magical internet money is often derided as “worthless” and “made up” by those who forget that all currencies only have value because we believe in them.
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[Link] Spaghetti Detective Users Boiled By Security Gaffe
Read: 22/8/2021 hackaday.com
For readers that might not spend their free time watching spools of PLA slowly unwind, The Spaghetti Detective (TSD) is an open source project that aims to use computer vision and machine learning to identify when a 3D print has failed and resulted in a pile of plastic “spaghetti” on the build p
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[Link] Magnets Could Give Prosthetic Control A Leg Up
Read: 22/8/2021 hackaday.com
Today, prostheses and exoskeletons are controlled using electromyography. In other words, by recording the electrical activity in muscles as they contract. It’s neither intuitive nor human-like, and it really only shows the brain’s intent, not the reality of what the muscle is doing.
[Link] Retrotechtacular: Amiga Pips The PC For Mission-Critical Computing At NASA
Read: 17/8/2021 hackaday.com
In 1986, a group of NASA engineers faced a difficult choice in solving their data processing woes: continue tolerating the poor performance of PC architecture, or pony up the cash for exotic workstations.
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[Link] Take Note: An E-Ink Tablet From Pine64
Read: 17/8/2021 hackaday.com
Over the years we’ve seen a variety of interesting pieces of hardware emerging from the folks at Pine64, so it’s always worth a second look when they announce a new product.
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[Link] Tesla’s Megapack Battery Burned For Days In Grid Storage Fire
Read: 15/8/2021 hackaday.com
Lithium rechargeable batteries have been heralded for their high-density energy storage, enabling all manner of technologies to come to fruition. From drones to practical electric cars to large-scale grid storage, the applications are endless.
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[Link] Goals And Goalposts
Read: 15/8/2021 hackaday.com
In the winter, I hatched a vague plan to learn some of the modern unmanned aerial vehicle tech. Everybody needs an autonomous vehicle, and we’ve got some good flying fields within walking distance, so it seemed like it could work.
[Link] Who Needs Pin Headers?
Read: 13/8/2021 hackaday.com
[Martin] sent this query, along with the lead photo, into the tip line, and he makes a good point. Most development and evaluation boards have multiple rows of pin headers, often arriving loose in the package — soldering is left to the user.
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[Link] Wristwatch PCB Swaps Must Be In The Air
Read: 8/8/2021 hackaday.com
Are we seeing more wristwatch PCB swapping projects because more people are working on them, or because we saw one and they’re on our mind? The world may never know, but when it comes to design constraints, there’s a pretty fun challenge here both in fitting your electronic wizardry inside the c
[Link] RAMPS Rebuild Keeps Robox 3D Printer Out Of Junk Bin
Read: 8/8/2021 hackaday.com
A 3D printer is a wonderful invention, but it needs maintenance like every machine that runs for long hours. [Rob Ward] had a well-used Robox 3D printer that was in need of some repairs, but getting the necessary replacement parts shipped to Australia was cost-prohibitive.
[Link] Linux Fu: The Windows X11 Connection
Read: 7/8/2021 hackaday.com
The life of a Linux user can be a bit difficult. Sometimes you have to — or want to — run Windows. Why Windows? Sometimes you have a work computer or a laptop that Linux doesn’t support well. Or it might be software.
[Link] Overhauling A Battle Bot
Read: 7/8/2021 hackaday.com
Where do old battle bots go to die? Well the great parts-bin in the sky corner of the workshop, where they await disassembly and use in other projects. But once in a while, if a battle bot is really lucky, they get pulled out again and put back into working order.
[Link] Cyclocopter Flies With Eight Spinning Horizontal Wings
Read: 7/8/2021 hackaday.com
For conventional vertical takeoff and landing rotors on vertical shafts are the most common solution, as seen in helicopters and multirotors. A much less popular solution is the cyclocopter, which consists of a pair of rotors spinning around a horizontal shaft with horizontal blades.
[Link] Hands On: DEF CON 29 Badge Embraces The New Normal
Read: 5/8/2021 hackaday.com
To say that 2020 was a transformative year would be something of an understatement. The COVID-19 pandemic completely changed the way we worked, learned, and lived.