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https://hackaday.com/2023/09/28/building-a-woodworking-lathe-from-scratch/ | Building A Woodworking Lathe From Scratch | Lewin Day | [
"Tool Hacks"
] | [
"lathe",
"tool hacks",
"tools"
] | Today, cheap dodgy machine tools are more readily available than ever. Sometimes though, there’s great value in putting a simple and rugged version of your own,
as demonstrated by [bartworker]’s woodworking lathe build.
The core of the build is a hefty wooden base, something that is a core component of any good machine... | 11 | 7 | [
{
"comment_id": "6687227",
"author": "YoDrTentacles",
"timestamp": "2023-09-28T23:36:39",
"content": "It will be interesting to see how he manages a multi-jaw chuck in that lathe.“First lesson learned: when the center of gravity is not aligned with the axis of the lathe, you’re in trouble.”I imagine... | 1,760,372,152.815018 | ||
https://hackaday.com/2023/09/28/hackaday-prize-2023-this-differential-scope-probe-is-smarter-than-it-looks/ | Hackaday Prize 2023: This Differential Scope Probe Is Smarter Than It Looks | Jenny List | [
"The Hackaday Prize",
"Tool Hacks"
] | [
"2023 Hackaday Prize",
"differential probe",
"oscilloscope",
"self-adjusting"
] | A differential probe, a device for measuring the voltage between two points in a circuit rather than the voltage between a point and ground, it an extremely useful addition to any electronics bench. Inside such a probe you’ll usually find a fancy op-amp working as a differential amplifier, and for correct operation the... | 11 | 3 | [
{
"comment_id": "6687175",
"author": "limpkin",
"timestamp": "2023-09-28T20:22:58",
"content": "The project and its hackaday.io write-up is simply amazing! It’s not often you get to read about what’s inside a diff probe.All that is missing is a few words about the input referred noise performance an... | 1,760,372,152.86336 | ||
https://hackaday.com/2023/09/28/a-raspberry-pi-5-is-better-than-two-pi-4s/ | A Raspberry Pi 5 Is Better Than Two Pi 4s | Elliot Williams | [
"Current Events",
"Featured",
"News",
"Raspberry Pi",
"Slider"
] | [
"new part",
"raspberry pi",
"Raspberry Pi 5"
] | What’s as fast as two Raspberry Pi 4s?
The brand-new Raspberry Pi 5
, that’s what. And for only a $5 upcharge (with an asterisk), it’s going to the new go-to board from the British House of Fruity Single-Board Computers. But aside from the brute speed, it also has a number of cool features that will make using the boar... | 192 | 48 | [
{
"comment_id": "6687124",
"author": "CRJEEA",
"timestamp": "2023-09-28T18:03:54",
"content": "I think we might see our fair share of augmented reality headsets and robot vision projects with this board. Perhaps someone will find a way to rapidly switch the screen/camera ports to support two of each... | 1,760,372,153.44115 | ||
https://hackaday.com/2023/09/28/the-questionable-benefits-of-paying-more-for-air-quality-monitors/ | The Questionable Benefits Of Paying More For Air Quality Monitors | Maya Posch | [
"Parts",
"Science"
] | [
"air quality sensor",
"AQM",
"pm2.5"
] | Does paying more for air quality monitors (AQMs) make sense? This was the question which [Achim Haug] at the Air Gradient project
sought to answer
, with the answer being a rather revealing ‘not at all’. Using data from the independent South Coast Air Quality Management District agency (
South Coast AQMD
), a plot was ... | 12 | 6 | [
{
"comment_id": "6687103",
"author": "Piotrsko",
"timestamp": "2023-09-28T16:09:30",
"content": "Matters not if the sensor is located on a pole in a truck stop along a major expressway. Looking at you Cali.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "668... | 1,760,372,153.21556 | ||
https://hackaday.com/2023/09/28/the-oldest-living-torrent-is-20-years-old/ | The Oldest Living Torrent Is 20 Years Old | Lewin Day | [
"Current Events",
"Hackaday Columns",
"History",
"Slider"
] | [
"bittorrent",
"the fanimatrix",
"torrent",
"torrents"
] | Twenty years ago, in a world dominated by dial-up connections and a fledgling World Wide Web, a group of New Zealand friends embarked on a journey. Their mission? To bring to life a Matrix fan film shot on a shoestring budget. The result was
The Fanimatrix,
a 16-minute amateur film just popular enough to have
its own W... | 41 | 18 | [
{
"comment_id": "6687081",
"author": "Ostracus",
"timestamp": "2023-09-28T14:34:53",
"content": "““It looked promising because it scaled such that the more popular the file became, the more the bandwidth load was shared. It seemed like the perfect solution,” Frost told TorrentFreak.”One of the reaso... | 1,760,372,153.157729 | ||
https://hackaday.com/2023/09/28/looking-inside-a-3d-printer-nozzle-with-computed-tomography/ | Looking Inside A 3D Printer Nozzle With Computed Tomography | Dan Maloney | [
"3d Printer hacks"
] | [
"3d printer",
"CAT scan",
"computed tomography",
"ct",
"extruder",
"hips",
"hot end",
"melt zone",
"print head",
"tungsten"
] | Have you ever wondered what’s actually going on inside the hotend of your 3D printer? It doesn’t seem like much of a mystery — the filament gets melty, it gets squeezed out by the pressure of the incoming unmelty filament, and lather, rinse, repeat. Or is there perhaps more to the story?
To find out, a team from the Un... | 16 | 7 | [
{
"comment_id": "6687061",
"author": "RichC",
"timestamp": "2023-09-28T12:38:58",
"content": "Looks like the filament spreads out more after leaving the nozzle at higher extrusion speeds.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6687069",
"auth... | 1,760,372,152.633778 | ||
https://hackaday.com/2023/09/28/the-robot-that-lends-the-deaf-blind-community-a-hand/ | The Robot That Lends The Deaf-Blind Community A Hand | Maya Posch | [
"News",
"Robots Hacks"
] | [
"ASL",
"deafblind",
"sign language"
] | The loss of one’s sense of hearing or vision is likely to be devastating in the way that it impacts daily life. Fortunately many workarounds exist using one’s remaining senses — such as sign language — but what if not only your sense of hearing is gone, but you are also blind? Fortunately here, too, a workaround exists... | 1 | 1 | [
{
"comment_id": "6687051",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-09-28T11:55:27",
"content": "Decades ago I saw a human interest story on TV that featured a mechanical hand that would sign for a deaf blind person. It appeared to be attached to a RadioShack Model 100. ... | 1,760,372,152.770335 | ||
https://hackaday.com/2023/09/27/proper-video-from-an-esp32/ | Proper Video, From An ESP32 | Jenny List | [
"Microcontrollers",
"Video Hacks"
] | [
"ESP32",
"video",
"video player"
] | Back in the day a miniature television, probably on a wristwatch, was the stuff of science fiction. Now, it’s something which can be done with a commodity microcontroller, as [Atomic14] shows us with the
ESP32-TV that plays both video and sound
. Even with modern silicon it’s still somewhat pushing the envelope.
As he ... | 19 | 10 | [
{
"comment_id": "6687008",
"author": "jpa",
"timestamp": "2023-09-28T05:29:49",
"content": "To complement the incomplete / misleading hackaday summary: Video format is MJPEG in AVI with 280×240 pixels @ 15 FPS. The display bus is SPI at 80 MHz, not I2C.",
"parent_id": null,
"depth": 1,
"... | 1,760,372,153.069354 | ||
https://hackaday.com/2023/09/27/investigating-the-fourth-passive-component/ | Investigating The Fourth Passive Component | Bryan Cockfield | [
"Science"
] | [
"arduino",
"circuit component",
"data",
"memristor",
"passive",
"test bench",
"test rig"
] | When first learning about and building electronic circuits, the first things all of us come across are passive components such as resistors, capacitors, and inductors. These have easily-understandable properties and are used in nearly all circuits in some way or another. Eventually we’ll move on to learning about activ... | 45 | 13 | [
{
"comment_id": "6686988",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-09-28T02:04:20",
"content": "Where does the memristor fit in Ohm’s Law?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6686993",
"author": "David",
... | 1,760,372,153.016963 | ||
https://hackaday.com/2023/09/27/will-nickel-hydrogen-cells-be-the-energy-storage-holy-grail/ | Will Nickel-Hydrogen Cells Be The Energy Storage Holy Grail? | Jenny List | [
"Battery Hacks",
"green hacks"
] | [
"battery",
"energy storage",
"nickel hydrogen"
] | You may have heard us here remarking in the past, that if we had a pound, dollar, or Euro for every miracle battery technology story we heard that was going to change the world, we would surely be very wealthy by now. It’s certainly been the case that many such pronouncements refer to promising chemistries that turn ou... | 38 | 12 | [
{
"comment_id": "6686725",
"author": "C",
"timestamp": "2023-09-27T08:08:49",
"content": "“Hydrogen in a pressure vessel might not seem the safest of things to have around, but the chemistry is such that as the pressure increases it reacts to form water”This doesn’t make any sense. The source articl... | 1,760,372,152.934925 | ||
https://hackaday.com/2023/09/26/dead-e-ruxpin-appears-alive-and-well/ | Dead E. Ruxpin Appears Alive And Well | Kristina Panos | [
"Holiday Hacks",
"Microcontrollers",
"Raspberry Pi"
] | [
"animatronic",
"animatronic bear",
"hand puppet",
"rp2040",
"teddy ruxpin"
] | What are you doing to scare trick-or-treaters this Halloween? Surely something, right? Well, Hackaday alum [CameronCoward] certainly has his holiday under control with
Dead E. Ruxpin
, a murderous, cassette tape-controlled animatronic bear.
Readers of a certain vintage will no doubt see the correlation to Teddy Ruxpin,... | 12 | 4 | [
{
"comment_id": "6686698",
"author": "RobHeffo",
"timestamp": "2023-09-27T05:37:12",
"content": "I can see this working really well connected to the Audio output of a soundcard, using software to generate the control tones and audio in real time based on other input.",
"parent_id": null,
"de... | 1,760,372,153.495962 | ||
https://hackaday.com/2023/09/26/beating-apples-secret-lid-angle-sensor-calibration-with-custom-tool/ | Beating Apple’s Secret Lid Angle Sensor Calibration With Custom Tool | Maya Posch | [
"laptops hacks",
"Mac Hacks",
"Reverse Engineering"
] | [
"apple",
"macbook pro",
"right to repair"
] | Among the changes made by Apple to its laptops over the years, the transition from a Hall sensor-based sleep sensor to an angle sensor that determines when the lid is closed is a decidedly unpopular one. The reason for this is the need to calibrate this sensor after replacement, using a tool that Apple decided to keep ... | 35 | 11 | [
{
"comment_id": "6686669",
"author": "TN",
"timestamp": "2023-09-27T02:31:56",
"content": "I’m sick of apple and their locked down bs. its not cool and nobody likes their war on items that actually work",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6686702"... | 1,760,372,153.759211 | ||
https://hackaday.com/2023/09/26/feed-your-fasteners-in-line-with-a-bowl-feeder/ | Feed Your Fasteners In Line, With A Bowl Feeder | Jenny List | [
"Tool Hacks"
] | [
"arduino",
"bowl feeder",
"dds",
"springs",
"vibration"
] | If you spend much time around industrial processes, you may have seen a vibrating bowl feeder at work. It’s a clever but simple machine that takes an unruly pile of screws or nuts and bolts, and delivers them in a line the correct way up. They do this by shaking the pile of fasteners in a specific way — a spiral motion... | 30 | 10 | [
{
"comment_id": "6686641",
"author": "scott_tx",
"timestamp": "2023-09-27T00:16:25",
"content": "as seen on almost half of all the episodes of ‘how its made’",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6686646",
"author": "J W van de Poll",
"timesta... | 1,760,372,153.826233 | ||
https://hackaday.com/2023/09/26/13-scope-and-logic-analyzer-hits-18-msps/ | $13 Scope And Logic Analyzer Hits 18 Msps | Al Williams | [
"Microcontrollers"
] | [
"logic analyzer",
"Microchip PIC",
"oscilloscope"
] | We aren’t sure what’s coolest about [Richard Testardi’s]
Flea-Scope
. It costs about $13 plus the cost of making the PCB. It operates at 18 million samples per second. It also doesn’t need any software — you connect to it with your browser! It works as an oscilloscope, a logic analyzer, and a waveform generator. Not ba... | 31 | 13 | [
{
"comment_id": "6686603",
"author": "Mike Massen, Perth, Western Australia",
"timestamp": "2023-09-26T20:07:53",
"content": "Wow, I think I’m a gonna like it Eg re browser etc, need to check details…Didn’t know about this thanks for the posting, good stuff :-)",
"parent_id": null,
"depth": ... | 1,760,372,153.607163 | ||
https://hackaday.com/2023/09/26/drop-in-upgrade-pcb-brings-usb-c-to-dualshock-4/ | Drop-In Upgrade PCB Brings USB-C To DualShock 4 | Tom Nardi | [
"Playstation Hacks",
"Tech Hacks"
] | [
"dual shock",
"ps4",
"USB C",
"USB-C PD"
] | Despite a somewhat shaky start, it seems like everyone is finally embracing USB-C. Most gadgets have made the switch these days, and even Apple has (with some external persuasion) gotten on board. That’s great for new hardware, but it can lead to a frustrating experience when you reach for an older device and find a in... | 4 | 2 | [
{
"comment_id": "6686720",
"author": "Gregg Eshelman",
"timestamp": "2023-09-27T07:42:33",
"content": "I got the new Zettle card reader for PayPal and it has a Micro B USB port for. No idea why it’s not USB-C.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "668... | 1,760,372,153.539542 | ||
https://hackaday.com/2023/09/26/tech-in-plain-sight-microwave-ovens/ | Tech In Plain Sight: Microwave Ovens | Al Williams | [
"Engineering",
"Hackaday Columns",
"Slider"
] | [
"AC synchronous motor",
"interlock",
"microswitch",
"microwave"
] | Our homes are full of technological marvels, and, as a Hackaday reader, we are betting you know the basic ideas behind a microwave oven even if you haven’t torn one apart for transformers and magnetrons. So we aren’t going to explain how the magnetron rotates water molecules to produce uniform dielectric heating. Howev... | 32 | 12 | [
{
"comment_id": "6686584",
"author": "Charles Lamb",
"timestamp": "2023-09-26T18:00:58",
"content": "Didn’t Tesla suggest that microwaves should be used to heat homes? His reasoning was that why heat the whole house when it was only the people who needed to be heated.",
"parent_id": null,
"d... | 1,760,372,154.22856 | ||
https://hackaday.com/2023/09/27/explore-linux-space-time/ | Explore Linux Space Time | Julian Scheffers | [
"Linux Hacks"
] | [
"linux",
"software"
] | If you’ve ever wondered how much memory a process uses, you’ve probably used a form of task manager or system monitor. System monitors can be useful to identify resource hogs, but are often less versatile if you want more details about just one process. If you’ve ever faced this problem, then [Fabien Sanglard]’s
Space-... | 7 | 4 | [
{
"comment_id": "6686976",
"author": "ian 42",
"timestamp": "2023-09-27T23:53:31",
"content": "for windows I still use some of the old systinternals routines, now over at microsoft –https://learn.microsoft.com/en-us/sysinternals/downloads/",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,372,154.083147 | ||
https://hackaday.com/2023/09/27/testing-oxide-etchants-for-the-home-semiconductor-fab/ | Testing Oxide Etchants For The Home Semiconductor Fab | Dan Maloney | [
"chemistry hacks",
"Misc Hacks"
] | [
"etchant",
"etching",
"HF",
"hydrofluoric acid",
"oxide",
"silicon",
"silicon dioxide"
] | Building circuits on a silicon chip is a bit like a game of
Tetris
— you have to lay down layer after layer of different materials while lining up holes in the existing layers with blocks of the correct shape on new layers. Of course, Tetris generally doesn’t require you to use insanely high temperatures and spectacula... | 3 | 3 | [
{
"comment_id": "6686984",
"author": "philosiraptor117",
"timestamp": "2023-09-28T00:54:13",
"content": "buffered oxide etch is your friend! if he is to have any hope of not absolutely annihilating whatever photoresist he cobbles together, he will need a super gentle controlled approach, common indu... | 1,760,372,153.981655 | ||
https://hackaday.com/2023/09/27/hackaday-prize-2023-an-anti-tremor-handle-with-no-electronics/ | Hackaday Prize 2023: An Anti-Tremor Handle, With No Electronics | Jenny List | [
"handhelds hacks",
"The Hackaday Prize"
] | [
"2023 Hackaday Prize",
"assistive device",
"hand tremor",
"vibration"
] | Many of us will have seen the various active assistive devices which have appeared over the last few years to help people with a hand tremor. Probably the best known was a fork with a set of servos and an accelerometer, that kept the end of the utensil steady despite the owner’s hand movements. It’s a field which has t... | 16 | 7 | [
{
"comment_id": "6686913",
"author": "Ahmedson",
"timestamp": "2023-09-27T18:55:17",
"content": "I once read about a design study in which a concept for a drinking cup for Parkinson’s patients was presented. Small breakwaters were integrated into the cup, like on the coast. When the patient had a t... | 1,760,372,154.147994 | ||
https://hackaday.com/2023/09/27/youve-got-mail-faster-and-faster-we-go/ | You’ve Got Mail: Faster And Faster We Go | Kristina Panos | [
"Hackaday Columns",
"History",
"Slider"
] | [
"kiosk",
"missile mail",
"post office",
"self-service",
"speed mail",
"stamps",
"USPS",
"v-mail",
"vending machine"
] | When we last left the post office,
they had implemented OCR to read even the sloppiest of handwriting
. And to augment today’s 99% accuracy rate, there’s a center full of humans who can decipher the rest of those messy addresses with speed and aplomb. Before that, we took a look at many of the machines that make up the... | 9 | 6 | [
{
"comment_id": "6686916",
"author": "CRJEEA",
"timestamp": "2023-09-27T18:56:17",
"content": "Not long now until the UK moves over to a barcoded stamp system if I recall correctly.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6687020",
"author": ... | 1,760,372,154.037844 | ||
https://hackaday.com/2023/09/27/string-art-build-uses-cnc-to-make-stringy-art/ | String Art Build Uses CNC To Make Stringy Art | Richard Baguley | [
"cnc hacks"
] | [
"cnc",
"String Art"
] | String art is as old as, well, string and something to hang it from. But, like most things, it gets more enjoyable when you involve a CNC. [Paul MH] went the whole hog with this build, creating a
CNC string art builder
that could handle the whole process, from placing the nails to running the string.
It’s an impressive... | 12 | 4 | [
{
"comment_id": "6686879",
"author": "Beaker",
"timestamp": "2023-09-27T17:11:49",
"content": "Thought about doing this myself when the original string art post came up, good to see someone followed through.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "668... | 1,760,372,154.280153 | ||
https://hackaday.com/2023/09/27/do-bounties-hurt-foss/ | Do Bounties Hurt FOSS? | Maya Posch | [
"Current Events",
"Featured",
"Interest",
"Original Art",
"Rants",
"Slider",
"Software Development"
] | [
"bounty",
"funding",
"open source",
"open source ethics",
"software",
"software bounty"
] | As with many things in life, motivation is everything. This also applies to the development of software, which is a field that has become immensely important over the past decades. Within a commercial context, the motivation to write software is primarily financial, in that a company’s products are developed by indivi... | 17 | 9 | [
{
"comment_id": "6686841",
"author": "limroh",
"timestamp": "2023-09-27T14:52:58",
"content": "Interesting read, thanks. Got a few notes:> which interestingly enough is essentially the inverse of a bounty system as it essentially involves donating to a project.two times “essentially” in essentially ... | 1,760,372,154.342764 | ||
https://hackaday.com/2023/09/27/passive-components-get-better/ | Passive Components Get Better | Al Williams | [
"Parts"
] | [
"passive components"
] | When you want to talk about cool new components, you are probably thinking about chips or, these days, even modules. Passive components like resistors, capacitors, and inductors are a solved problem, right? [Darshill Patel]
begs to differ
. There is still innovation happening in the passive market, and he highlights so... | 42 | 11 | [
{
"comment_id": "6686762",
"author": "nsfboa",
"timestamp": "2023-09-27T11:14:10",
"content": "“… unless you get special non-inductive ones that use special wiring techniques to cancel much of the parasitic inductance.”Why not just call it by name – bifilar winding?",
"parent_id": null,
"dep... | 1,760,372,154.477947 | ||
https://hackaday.com/2023/09/26/how-to-chase-the-beam-with-a-z80/ | How To Chase The Beam With A Z80 | Jenny List | [
"Retrocomputing"
] | [
"chasing the beam",
"pixel video",
"sinclair",
"z80",
"zx81"
] | The more accomplished 8-bit microcomputers of the late 1970s and early 1980s had a dedicated display chip, a CRT controller. This took care of all the jobs associated with driving a CRT display, generating the required timing and sequencing all the dots to make a raster. With a CRT controller on hand the CPU had plenty... | 23 | 9 | [
{
"comment_id": "6686560",
"author": "Martin",
"timestamp": "2023-09-26T16:23:46",
"content": "It feels a bit like using the Z80 as a binary counter and actually doing PAL from the EEPROM but interesting anyway.I’m working on my first Z80 computer but I ended up using a 128×64 LCD. I don’t know if I... | 1,760,372,154.401307 | ||
https://hackaday.com/2023/09/26/a-pulse-of-annoyance-about-oscillators-followed-by-a-flyback-of-a-rant/ | A Pulse Of Annoyance About Oscillators, Followed By A Flyback Of A Rant | Jenny List | [
"Featured",
"History",
"Skills",
"Slider"
] | [] | Everyone likes to play with high voltages, right?. Even though the danger of death goes up with every volt, it’s likely that a few readers will have at some time or other made fancy long sparks. You’re reading this so you lived to tell the tale, and we’d only ever counsel only doing so safely, but the point of this pie... | 38 | 9 | [
{
"comment_id": "6686519",
"author": "Observer",
"timestamp": "2023-09-26T14:48:34",
"content": "“A handy choice for a high voltage transformer has been for years a TV line output transformer, also sometimes known as a flyback transformer. ”In 40 yrs as an electrical engineer, I have never heard the... | 1,760,372,154.556828 | ||
https://hackaday.com/2023/09/26/single-button-keyboard-has-multiple-uses/ | Single-Button Keyboard Has Multiple Uses | Kristina Panos | [
"Peripherals Hacks"
] | [
"ESP32",
"ESP32-S3",
"keyboard",
"macro pad"
] | Well now why would I want a single-button keyboard, you might be asking yourself. We say it all depends on how you build the thing, and how you program it. Would you believe that
the MagiClick by [Modular]
is capable of showing live weather information or the date and time, acting as animated dice, or being a stopwatch... | 13 | 6 | [
{
"comment_id": "6686472",
"author": "NQ",
"timestamp": "2023-09-26T12:02:08",
"content": "I immediately think of morse code when single-button-anything is featured. I used a Motorola V60s until last December when Verizon kicked it off the tower and I miss the ability to text by pushing buttons wit... | 1,760,372,154.607286 | ||
https://hackaday.com/2023/09/26/16-kbit-dram-gives-up-its-secrets/ | 16 Kbit DRAM Gives Up Its Secrets | Al Williams | [
"Retrocomputing"
] | [
"4116",
"dram",
"ken shirriff"
] | [Ken Shirriff] is looking inside chips again. This time,
the subject is the MK4116
— a 16 Kbit DRAM chip. Even without a calculator, you know that’s a whopping 2 Kbytes, and while that doesn’t sound impressive, in the late 1970s, it was a modern miracle.
The chip showed up in computers ranging from the TRS-80 to the Xe... | 5 | 2 | [
{
"comment_id": "6686466",
"author": "h2odragon",
"timestamp": "2023-09-26T11:11:16",
"content": "Note the writeup is from 2020; hes done quite a lot more since then",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6686498",
"author": "jalnl",
... | 1,760,372,154.761293 | ||
https://hackaday.com/2023/09/25/tetris-clone-uses-1000-lines-of-code-and-nothing-else/ | TetrisClone Uses 1000 Lines Of Code, And Nothing Else | Robin Kearey | [
"ARM",
"Games",
"handhelds hacks"
] | [
"ARM Cortex-M7",
"bare metal",
"diy handheld",
"tetris"
] | If you’re programming on a modern computer, you typically make use of lots of work done by other people. There’s operating systems to abstract away the complexities of modern hardware, standard libraries to implement common tasks, and tons of third-party libraries that prevent you from having to reinvent the wheel all ... | 18 | 7 | [
{
"comment_id": "6686430",
"author": "A7",
"timestamp": "2023-09-26T07:30:36",
"content": "Beautiful.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6686434",
"author": "alialiali",
"timestamp": "2023-09-26T08:02:27",
"content": "Love it!That said ... | 1,760,372,154.888171 | ||
https://hackaday.com/2023/09/25/processes-threads-and-fibers/ | Processes, Threads, And… Fibers? | Al Williams | [
"Software Development"
] | [
"c++",
"fibers",
"MULTITHREADING",
"windows"
] | You’ve probably heard of multithreaded programs where a single process can have multiple threads of execution. But here is yet another layer of creating multitasking programs known as a
fiber
. [A Graphics Guy] lays it out in a lengthy but well-done post. There are examples for both x64 and arm64, although the post mai... | 19 | 7 | [
{
"comment_id": "6686417",
"author": "uteKIN",
"timestamp": "2023-09-26T05:51:01",
"content": "Using C++ in general is like trying to slice bread with a toilet brush. I’d rather milk bulls instead.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6686557",
... | 1,760,372,154.714883 | ||
https://hackaday.com/2023/09/25/hackaday-prize-2023-a-software-defined-radio-with-real-knobs-and-switches/ | Hackaday Prize 2023: A Software-Defined Radio With Real Knobs And Switches | Robin Kearey | [
"Radio Hacks"
] | [
"physical buttons",
"portable radio",
"raspberry pi",
"sdr"
] | When cheap digital TV dongles enabled radio enthusiasts to set up software defined radio (SDR) systems at almost zero cost, it caused a revolution in the amateur radio world: now anyone could tune in to any frequency, with any modulation type, by just pointing and clicking in a computer program. While this undoubtably ... | 16 | 8 | [
{
"comment_id": "6686368",
"author": "dudefromthenorth",
"timestamp": "2023-09-25T23:03:37",
"content": "Oooh. I like it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6686371",
"author": "reg",
"timestamp": "2023-09-25T23:46:09",
"content": "Yes,... | 1,760,372,154.945221 | ||
https://hackaday.com/2023/09/25/carbon-fiber-with-3d-printing/ | Carbon Fiber With 3D Printing | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"carbon fiber",
"moulding"
] | [Thomas Sanladerer] wanted to make 3D prints using
carbon fiber
and was surprised that it was fairly inexpensive and worked well, although he mentions that the process is a bit intense. You can learn what he found out in the video below.
He used an advanced PLA that can endure more temperature than normal PLA. That’s i... | 31 | 7 | [
{
"comment_id": "6686325",
"author": "Reluctant Cannibal",
"timestamp": "2023-09-25T20:28:52",
"content": "I’m kind of disappointed the carbon fibre did not come out of the print nozzle like wire in a MIG welder.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,372,155.063725 | ||
https://hackaday.com/2023/09/25/the-reverse-oscilloscope/ | The Reverse Oscilloscope | Al Williams | [
"Musical Hacks"
] | [
"synthesizer"
] | Usually, an oscilloscope lets you visualize what a signal looks like. [Mitxela]’s
reverse oscilloscope
lets you set what you want an audio waveform to look like, and it will produce it. You can see the box in the video below.
According to [Mitxela] part of the difficulty in building something like this is making the co... | 17 | 13 | [
{
"comment_id": "6686309",
"author": "ag",
"timestamp": "2023-09-25T19:05:39",
"content": "Isnt this called a waveform generator ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6686324",
"author": "metasonix",
"timestamp": "2023-09-25T20:16:... | 1,760,372,154.996367 | ||
https://hackaday.com/2023/09/25/dark-trace-crts-almost-the-e-ink-of-their-time/ | Dark Trace CRTs, Almost The E-Ink Of Their Time | Jenny List | [
"classic hacks",
"Hackaday Columns",
"Retrocomputing",
"Slider"
] | [
"crt",
"dark trace CRT",
"radar",
"tenebrescence"
] | When you’ve been a fact-sponge for electronics trivia for over four decades, it’s not often that an entire class of parts escapes your attention. But have you seen
the Skiatron?
It’s a CRT that looks like a normal mid-20th-century tube, until it’s switched on. Then its secret is revealed; instead of the glowing phospho... | 33 | 10 | [
{
"comment_id": "6686276",
"author": "ziggurat29",
"timestamp": "2023-09-25T17:08:37",
"content": "the photochromic sunglasses of the 70’s come to mind",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6686311",
"author": "Kenneth Welles",
"timestamp": "2... | 1,760,372,155.139795 | ||
https://hackaday.com/2023/09/25/keebin-with-kristina-hack-chat/ | Keebin’ With Kristina Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"Hack Chat"
] | Join us on Wednesday, September 27 at noon Pacific for the
Keebin’ with Kristina Hack Chat
with our own
Kristina Panos
!
When you think about it, wiggling your fingers over a bunch of magic chiclets is a pretty strange gateway to the written word. And yet, here we sit a hundred-odd years after someone first decided tha... | 3 | 2 | [
{
"comment_id": "6686429",
"author": "Alan",
"timestamp": "2023-09-26T07:25:52",
"content": "Everyone seems to have a favorite aspect. For me, it’s not so much the switches as the keycaps.Or rather (thanks to HP calculators in my youth) keycaps with Custom Text on the front side. In different colors... | 1,760,372,155.182064 | ||
https://hackaday.com/2023/09/25/nasas-parker-probe-gets-front-row-seat-to-cme/ | NASA’s Parker Probe Gets Front Row Seat To CME | Tom Nardi | [
"News",
"Space"
] | [
"CME",
"parker solar probe",
"plasma",
"sun"
] | A little over a year ago, and about 150 million kilometers (93 million miles) from where you’re currently reading this, NASA’s Parker Solar Probe quietly made history by safely flying through one of the most powerful coronal mass ejections (CMEs) ever recorded. Now that researchers have had time to review the data, ama... | 10 | 6 | [
{
"comment_id": "6686243",
"author": "perry",
"timestamp": "2023-09-25T15:12:15",
"content": "WOW !!!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6686257",
"author": "ono",
"timestamp": "2023-09-25T15:49:56",
"content": "I wonder why NASA did ... | 1,760,372,155.233714 | ||
https://hackaday.com/2023/09/25/inverse-vaccines-could-help-treat-autoimmune-conditions/ | Inverse Vaccines Could Help Treat Autoimmune Conditions | Lewin Day | [
"Current Events",
"Featured",
"Interest",
"Medical Hacks",
"Slider"
] | [
"autoimmune disease",
"autoimmunity",
"Disease",
"immune system",
"medical hacks"
] | Autoimmune diseases occur when the immune system starts attacking the body’s own cells. They can cause a wide range of deleterious symptoms that greatly reduce a patient’s quality of life. Treatments often involve globally suppressing the immune system, which can lead to a host of undesirable side effects.
However, res... | 80 | 20 | [
{
"comment_id": "6686236",
"author": "Dude",
"timestamp": "2023-09-25T14:58:36",
"content": "What if someone develops a virus that produces an inverse vaccine for itself?In fact, why haven’t viruses already evolved to do exactly that?",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,372,155.453092 | ||
https://hackaday.com/2023/09/25/bill-steve-and-gary-computer-pioneers/ | Bill, Steve, And Gary… Computer Pioneers | Al Williams | [
"Retrocomputing"
] | [
"CP/M",
"Gary Kildall",
"kildall"
] | If you ask your neighbor who Bill Gates or Steve Jobs is, they’d probably know. But mention Gary Kildall, and you are likely to get a blank stare unless you live next door to another Hackaday reader. [Al’s Geek Lab] has a great
three-part documentary on Gary Kildall
who, in case you didn’t know, was the man behind CP/M... | 52 | 15 | [
{
"comment_id": "6686167",
"author": "tony",
"timestamp": "2023-09-25T11:59:56",
"content": "8″ floppies, BRADS II, CP/M.The bad old days!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6686224",
"author": "David",
"timestamp": "2023-09-25T1... | 1,760,372,155.328501 | ||
https://hackaday.com/2023/09/24/powder-your-prints-for-baby-smoothness/ | Powder Your Prints For Baby-Smoothness | Kristina Panos | [
"how-to",
"Misc Hacks"
] | [
"3d printing",
"baby powder",
"post-processing",
"resin"
] | Layer lines are a dead giveaway to non-normies that a thing was 3D printed. There are things you can do to smooth them — sanding, chemical smoothing, and fillers come to mind. Although this technique technically uses all three, it starts with something very simple.
In the video after the break, [DaveRig] gets right to ... | 46 | 15 | [
{
"comment_id": "6685869",
"author": "JanW",
"timestamp": "2023-09-24T11:56:21",
"content": "I had an huge 3D print assembled from 5 parts a while ago. Needed to print it quite coarse because it was so big. “A bit” of sanding and applying plastic filler from the can gets you there too. There’s fille... | 1,760,372,155.582684 | ||
https://hackaday.com/2023/09/24/hackaday-prize-2023-stretch-your-day-with-this-29-hour-clock/ | Hackaday Prize 2023: Stretch Your Day With This 29-Hour Clock | Robin Kearey | [
"clock hacks"
] | [
"29-hour clock",
"clock",
"multiple 7-segment display",
"time",
"timescale"
] | Modern life can be stressful. Many of us struggle to balance work, family, exercise, and an ever-growing list of hacking projects, all of which claim our attention during the day. If you sometimes feel that those 24 hours just don’t cut it, you might be in luck: [HIGEDARUMA] has built
a clock that can stretch your day ... | 9 | 8 | [
{
"comment_id": "6685852",
"author": "Dennis",
"timestamp": "2023-09-24T09:24:34",
"content": "Nightingale, I hear you trample.Is this the preparation for the 5-day week?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6685860",
"author": "Manfred",
"ti... | 1,760,372,155.497175 | ||
https://hackaday.com/2023/09/23/input-device-gets-new-input-device/ | Input Device Gets New Input Device | Kristina Panos | [
"Misc Hacks"
] | [
"Glove80",
"nubbin",
"TrackPoint"
] | One of the nicest things about a trackpoint is that you don’t have to take your hands off the keyboard. One of the worst things about a trackpoint is its usual placement, which can force a weird hand position that can cause repetitive stress injury.
[notshitashi] has done an incredible job of
adding a trackpoint to the... | 6 | 3 | [
{
"comment_id": "6685898",
"author": "Joshua",
"timestamp": "2023-09-24T13:24:37",
"content": "I still remember it’s predecessor (on laptops), the trackball.Along with the light pen, it was an early competitor to the mouse.Then the trackpoint trackpad/touchpad came along.",
"parent_id": null,
... | 1,760,372,155.626528 | ||
https://hackaday.com/2023/09/23/hackaday-prize-2023-a-3d-printed-vertical-wind-turbine/ | Hackaday Prize 2023: A 3D Printed Vertical Wind Turbine | Jenny List | [
"green hacks"
] | [
"vertical turbine",
"wind power",
"Wind turbine"
] | We feature a lot of off-grid power projects here at Hackaday, whether they’re a micropower harvester or something to power a whole house. Somewhere in the middle lies [esposcar90]’s
3D-printed vertical wind turbine
, which it is claimed can deliver 100 watts from its diminutive tabletop package.
It’s designed to be par... | 23 | 9 | [
{
"comment_id": "6685774",
"author": "Deargle",
"timestamp": "2023-09-24T03:19:41",
"content": "Missing a link to the project writeup!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6685781",
"author": "Al Williams",
"timestamp": "2023-09-24T... | 1,760,372,155.686316 | ||
https://hackaday.com/2023/09/23/electrostatic-generator-project-starts-with-molten-sulfur/ | Electrostatic Generator Project Starts With Molten Sulfur | Robin Kearey | [
"chemistry hacks",
"classic hacks",
"Science"
] | [
"electrostatic generator",
"electrostatics",
"Otto von Guericke",
"sulfur",
"van de graaff"
] | Although the basic concept of electrostatic attraction has been known since ancient times, it was only in the 17th century that scientists began to systematically investigate electrostatics. One of the first to explore this new field was Otto von Guericke, who constructed an electrostatic generator to help with his exp... | 38 | 6 | [
{
"comment_id": "6685749",
"author": "David",
"timestamp": "2023-09-24T00:45:13",
"content": "Please be safe when melting sulfur. It’s flammable and the fumes can kill. The safety equipment in this video looks inadequate and there should probably be at least a disclaimer that has to be clicked throu... | 1,760,372,155.843264 | ||
https://hackaday.com/2023/09/23/reviving-an-old-lime-e-beta-rideshare-e-bicycle/ | Reviving An Old Lime-E Beta Rideshare E-Bicycle | Maya Posch | [
"Transportation Hacks"
] | [
"e-bike",
"lime"
] | What do you do when you come across a cheap electric bicycle on Facebook Marketplace from a seller who has a few hundred of the same ones available? If you’re someone like [Max Helmetag], you figure that it’s probably legit since nobody would be reselling hundreds of Lime ridesharing e-bikes. Thus, it makes for an exce... | 27 | 5 | [
{
"comment_id": "6685723",
"author": "NoWay",
"timestamp": "2023-09-23T20:14:59",
"content": "is it a low-res photo or is the frame really butt welded together?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6685724",
"author": "Shirley Marquez",
... | 1,760,372,155.955553 | ||
https://hackaday.com/2023/09/23/high-temp-resin-means-faster-hot-foil-stamping/ | High Temp Resin Means Faster Hot Foil Stamping | Kristina Panos | [
"3d Printer hacks",
"Art"
] | [
"3d printing",
"hot foil stamping",
"resin printing"
] | [This Designed That] does a lot of hot foil stamping. That’s the shiny embellishment you’ll see on wedding invitations and your fancier letterheads. They wanted a way to quickly see if the process is right for a given design, and how it might come together if so. Many of the designs involve letter forms, which they hav... | 8 | 4 | [
{
"comment_id": "6685714",
"author": "mip",
"timestamp": "2023-09-23T18:43:08",
"content": "This foil can also be applied differently:Print it like like when doing toner transfer on a laser printer.Then bond the foil with a heat press to the toner. Peel off transfer tape and clean residue with a sof... | 1,760,372,155.890385 | ||
https://hackaday.com/2023/09/23/confluence-of-nerdery/ | Confluence Of Nerdery | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"newsletter",
"Rant"
] | You might find yourself, dear Hackaday reader, attracted to some pretty strange corners of the tech world. Who knows when that knowledge of stenography, ancient retrocomputing, and floppy disk internals will all combine to get someone falsely accused out of jail?
Go read this story and come on back
, but the short vers... | 10 | 2 | [
{
"comment_id": "6685707",
"author": "Spanish Bladder",
"timestamp": "2023-09-23T17:23:15",
"content": "Tough luck, I don’t have any friends. In early 2022 I’ve decided to cut off all remaining contacts, move out of the city and become a lone wolf. Never been happier, working remotely and studying m... | 1,760,372,156.001871 | ||
https://hackaday.com/2023/09/23/exploring-ground-effect-with-a-quadcopter/ | Exploring Ground-Effect With A Quadcopter | Maya Posch | [
"Toy Hacks",
"Transportation Hacks"
] | [
"ground-effect vehicle",
"quadcopter"
] | The ground-effect (GE) refers to the almost mystical property where the interaction of the airflow around an aircraft’s wing and the ground massively increases efficiency due to the reduction of lift-dependent drag, perhaps best demonstrated by the Soviet Lun-class “ekranoplans” of the 1980s and 90s. Interestingly, thi... | 2 | 2 | [
{
"comment_id": "6685695",
"author": "Gravis",
"timestamp": "2023-09-23T15:47:13",
"content": "A ground-effect travel would be more useful it was deployable as a lightweight component of a normal quadcopter. Some super light-weight plastic accordion-like pieces and musclewire actuators seem like th... | 1,760,372,156.042634 | ||
https://hackaday.com/2023/09/23/getting-shredded-plastic-and-legs/ | Getting Shredded Plastic…and Legs | Navarre Bartz | [
"Tool Hacks"
] | [
"bicycle",
"exercise bike",
"plastic",
"plastic recycling",
"Precious Plastic",
"recycle",
"recycling",
"shredder",
"shredding"
] | While electric motors have taken the drudgery out of many tasks, human power has its advantages. [Precious Plastic Torino] has developed a
human-powered plastic shredder
for those times when an electric motor just won’t do.
Designed primarily for educational purposes at venues where electricity can be difficult to sour... | 10 | 6 | [
{
"comment_id": "6685686",
"author": "Leandro",
"timestamp": "2023-09-23T14:35:03",
"content": "they don’t even use this shit in the video. No. I don’t want to breath dust off plastic of the air.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6685694",
"au... | 1,760,372,156.091183 | ||
https://hackaday.com/2023/09/22/decker-is-the-cozy-retro-creative-engine-you-didnt-know-you-needed/ | Decker Is The Cozy Retro Creative Engine You Didn’t Know You Needed | Donald Papp | [
"Art",
"Software Development"
] | [
"Creative",
"decker",
"hypercard",
"low-code",
"multimedia",
"no-code"
] | [John Earnest]’s passion project
Decker
is creative software with a classic MacOS look (it’s not limited to running on Macs, however) for easily making and sharing interactive documents with sound, images, hypertext, scripted behavior, and more to allow making just about anything in a WYSIWYG manner.
Decker creates dec... | 9 | 1 | [
{
"comment_id": "6685628",
"author": "irox",
"timestamp": "2023-09-23T07:30:51",
"content": "What’s that Macintosh SE era black and white (?) flying scrolling “world” game with clouds and stuff you would expect to find in an xkcd cartoon? Very slow, but a master piece of art.It was way before its t... | 1,760,372,156.195881 | ||
https://hackaday.com/2023/09/22/bending-light-to-fit-technology/ | Bending Light To Fit Technology | Bryan Cockfield | [
"Science"
] | [
"color",
"electron",
"electron band",
"energy",
"light",
"photon",
"photovoltaics",
"physics",
"solar energy",
"solar panel"
] | Solar power is an excellent way of generating electricity, whether that’s for an off-grid home or for the power grid. With no moving parts maintenance is relatively low, and the downsides of burning fuel are eliminated as well. But as much as it’s revolutionized power generation over the last few decades, there’s still... | 3 | 3 | [
{
"comment_id": "6685653",
"author": "John Little",
"timestamp": "2023-09-23T11:22:20",
"content": "How long before we see a confocal laser scanning microscope based on that technology?The photograph above reminds me of how the two-photon effect is demonstrated:https://cleoqels2010.blogspot.com/2010... | 1,760,372,156.990706 | ||
https://hackaday.com/2023/09/22/diy-repair-brings-an-x-ray-microscope-back-into-focus/ | DIY Repair Brings An X-Ray Microscope Back Into Focus | Dan Maloney | [
"Repair Hacks",
"Tool Hacks"
] | [
"high voltage",
"microscope",
"radiation",
"reverse engineering",
"sensor",
"x-ray"
] | Aside from idle curiosity, very few of us need to see inside chips and components to diagnose a circuit. But reverse engineering is another story; being able to see what lies beneath the inscrutable epoxy blobs that protect the silicon within is a vital capability, one that might justify the expense involved in procuri... | 6 | 2 | [
{
"comment_id": "6685583",
"author": "paulvdh",
"timestamp": "2023-09-22T23:40:21",
"content": "Just thought about that a combination of a sharp enough focus, combined with a very low depth of focus would be excellent for reverse engineering PCB’s. If you can focus on one of the internal copper laye... | 1,760,372,156.129999 | ||
https://hackaday.com/2023/09/22/thats-not-a-junker-thats-my-generator/ | That’s Not A Junker… That’s My Generator | Al Williams | [
"Arduino Hacks",
"car hacks"
] | [
"car engine",
"engine",
"generator"
] | If you live somewhere prone to power outages, you might have thought about buying a generator. The problem is that small generators are cheap but — well — small. Big generators are expensive. [Jake von Slatt] had an idea. He has a “yard car” which we thought might be a junk car but, instead, it is an old car he uses to... | 104 | 25 | [
{
"comment_id": "6685511",
"author": "Nathan",
"timestamp": "2023-09-22T20:14:05",
"content": "Nice! I’ve considered doing something similar with my old diesel Jetta. I thought it would be neat if it was like a dynamometer, where you drive the vehicle up onto something with rollers under the wheels.... | 1,760,372,159.076613 | ||
https://hackaday.com/2023/09/25/hackaday-prize-2023-abuse-a-reference-chip-for-a-cheap-instrument/ | Hackaday Prize 2023: Abuse A Reference Chip For A Cheap Instrument | Jenny List | [
"The Hackaday Prize",
"Tool Hacks"
] | [
"2023 Hackaday Prize",
"current sense",
"rogowski coil",
"sense coil"
] | A Rogowski coil is a device for measuring AC current that differs from a conventional current transformer in that it has no need to encircle the conductor whose current it measures. They’re by no means cheap though, so over time we’ve seen some interesting variations on making one without the pain in the wallet. We par... | 11 | 7 | [
{
"comment_id": "6686130",
"author": "k-ww",
"timestamp": "2023-09-25T09:00:07",
"content": "I’d love to read the actual article, but there’s no link to it….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6686135",
"author": "Alexander",
"tim... | 1,760,372,158.790242 | ||
https://hackaday.com/2023/09/24/saving-a-scope-from-the-dumpster/ | Saving A Scope From The Dumpster | Al Williams | [
"Repair Hacks",
"Tool Hacks"
] | [
"dumpster diving",
"oscilloscope",
"repair"
] | If you read Hackaday, you probably get the title of [SunEstra’s] post:
A Casual Date with the Dumpster
. Many great hacking projects start with finding one man’s trash. This June, [SunEstra] rescued an old Tektronix 2465B oscilloscope, which appeared to be in good shape. Why we never find four-channel 400 MHz scopes in... | 9 | 5 | [
{
"comment_id": "6686120",
"author": "David",
"timestamp": "2023-09-25T07:42:30",
"content": "Leaking electrolytic capacitors is a problem with almost any old piece of gear, not just the 2465B.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6686153",
... | 1,760,372,158.541851 | ||
https://hackaday.com/2023/09/24/celebrating-the-6502-with-song/ | Celebrating The 6502 With Song | Bil Herd | [
"Retrocomputing",
"Video Hacks"
] | [
"6502",
"Taylor and Amy",
"VCF",
"VCF Midwest",
"vcfmw"
] | In a wonderful ode to tech nostalgia,
The Taylor and Amy Show
, comprised of YouTubers [Taylor] and [Amy], have released a new video “THE 6502 SONG”. This song had me singing along in roughly six clock cycles, possibly a little dancing around may have occurred as well. This isn’t just any chip they’re singing about; it... | 23 | 15 | [
{
"comment_id": "6686087",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-09-25T02:09:23",
"content": "Cute!Thanks Bil!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6686092",
"author": "Mr Name Required",
"timestamp": "2023-09-25... | 1,760,372,158.746684 | ||
https://hackaday.com/2023/09/24/hackaday-links-september-24-2023/ | Hackaday Links: September 24, 2023 | Elliot Williams | [
"Hackaday Columns",
"News",
"Slider"
] | [
"links"
] | Modern video games are almost always written on the backs of a game engine platform, and the two most popular are definitely Unreal Engine and Unity. Some bean counter at Unity decided they essentially wanted a bigger piece of the pie and rolled out
new terms of use that would have game development houses paying per Un... | 3 | 2 | [
{
"comment_id": "6686106",
"author": "Ostracus",
"timestamp": "2023-09-25T06:01:39",
"content": "Their pricing is suppose to be a symptom of a bigger problem.https://midiaresearch.com/blog/unitys-pricing-is-a-symptom-not-the-cause-of-tougher-times-ahead-for-the-games-industry",
"parent_id": null... | 1,760,372,158.589106 | ||
https://hackaday.com/2023/09/24/getting-geared-up-for-home-power-coating/ | Getting Geared Up For Home Powder Coating | Al Williams | [
"Tool Hacks"
] | [
"harbor freight",
"powder coating",
"spray booth"
] | [Blondihacks] wanted to do powder coating for a model train without a lot of special equipment. She started with an Eastwood kit that runs about $230. Depending on the options, you can get the gun by itself for between $110 – $170. However, you will need more than just this kit. You can see
how [Blondihacks] used the k... | 17 | 6 | [
{
"comment_id": "6686008",
"author": "Kirby",
"timestamp": "2023-09-24T20:34:16",
"content": "I have done some home powder coating, until I found a small local powder coating shop who could do it for about the same or less cost than I could. Plus the local ship had the industrial abrasive blasters ... | 1,760,372,158.640745 | ||
https://hackaday.com/2023/09/24/humans-and-balloon-hands-help-bots-make-breakfast/ | Humans And Balloon Hands Help Bots Make Breakfast | Kristina Panos | [
"Artificial Intelligence",
"News",
"Robots Hacks"
] | [
"artificial intelligence",
"breakfast",
"breakfast bot",
"cooking breakfast"
] | Breakfast may be the most important meal of the day, but who wants to get up first thing in the morning and make it? Well, there may come a day when a robot can do the dirty work for you. This is Toyota Research Institute’s vision with
their innovatively-trained breakfast bots
.
Going way beyond pick and place tasks, T... | 7 | 5 | [
{
"comment_id": "6685977",
"author": "TG",
"timestamp": "2023-09-24T18:51:30",
"content": "That looks like such a fun job, making flapjacks with giant industrial robot controllers",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6686342",
"author": "Milli",
... | 1,760,372,158.836943 | ||
https://hackaday.com/2023/09/24/hackaday-prize-2023-computer-vision-guides-this-farm-mower/ | Hackaday Prize 2023: Computer Vision Guides This Farm Mower | Jenny List | [
"green hacks",
"Robots Hacks"
] | [
"autonomous mower",
"farm",
"mower"
] | It’s a problem common to small-scale mixed agriculture worldwide, that of small areas of grass and weeds that need mowing. If you have a couple of sheep and enough electric fence there’s one way to do it, otherwise, if you rely on machinery, there’s a lot of hefting and pushing a mower in your future. Help is at hand, ... | 8 | 3 | [
{
"comment_id": "6686067",
"author": "Evaprototype",
"timestamp": "2023-09-25T00:00:53",
"content": "Is that realistic frame rates represented in the video or is that processed on a different computer for the video?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,372,158.690011 | ||
https://hackaday.com/2023/09/22/rp2040-emulator-brings-the-voice-of-the-80s-back-to-life/ | RP2040 Emulator Brings The Voice Of The 80s Back To Life | Dan Maloney | [
"Parts",
"Retrocomputing"
] | [
"allophone",
"phoneme",
"Psion Organiser",
"retrocomputing",
"rp2040",
"SP0256",
"speech synthesis"
] | You may not have heard, but there’s a chip shortage out there. And it’s not just the fancy new chips that are in short supply; the chips that were fancy and new back when you could still buy them from Radio Shack are getting hard to come by, too. For different reasons, of course, but it does pose a problem that require... | 25 | 8 | [
{
"comment_id": "6685488",
"author": "LambdaMikel",
"timestamp": "2023-09-22T18:40:35",
"content": "Excellent! I’m going to pick this up for LambdaSpeak and maybe Talker-80 eventually! This is GREAT, I really struggled with sourcing the SP0. Got fakes and bad ones in the past. Nice that we have an u... | 1,760,372,159.138681 | ||
https://hackaday.com/2023/09/22/ham-radio-mini-beam/ | Ham Radio Mini Beam | Al Williams | [
"Radio Hacks"
] | [
"antenna",
"ham radio"
] | Years ago, ham radio operators more often than not had land, and usually there weren’t any restrictions on what kind of antenna they could erect on that land. These days you are more likely to live with less or no land, and even if you do own property, you might have restrictions that prevent you from putting up any ki... | 6 | 4 | [
{
"comment_id": "6685491",
"author": "David",
"timestamp": "2023-09-22T19:00:11",
"content": "The center coil allows for easy multiband operation via the shorting stub, but elements with center coils radiate less effectively than elements with coils further out from the center. Then again, coils ha... | 1,760,372,158.875983 | ||
https://hackaday.com/2023/09/22/hackaday-podcast-237-dancing-raisins-coding-on-apples-and-a-salad-spinner-mouse/ | Hackaday Podcast 237: Dancing Raisins, Coding On Apples, And A Salad Spinner Mouse | Kristina Panos | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Kristina Panos gathered over the Internet and a couple cups of coffee to bring you the best hacks of the previous week. Well, the ones
we
liked best, anyhow.
First up in the news, we’ve got
a brand-spankin’ new Halloween Hackfest contest
running now until 9AM PDT on Octobe... | 7 | 2 | [
{
"comment_id": "6685490",
"author": "a_do_z",
"timestamp": "2023-09-22T18:57:01",
"content": "Not dropped to Google Podcasts yet?(I only bring this up because there was recently some wonkiness there, and the podcast is usually available there by this time.)",
"parent_id": null,
"depth": 1,... | 1,760,372,159.189847 | ||
https://hackaday.com/2023/09/22/this-week-in-security-webp-cavium-gitlab-and-asahi-lina/ | This Week In Security: WebP, Cavium, Gitlab, And Asahi Lina | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"0-day",
"asahi",
"edward snowden",
"linux"
] | Last week we covered the latest 0-day from NSO group, BLASTPASS. There’s
more details about exactly how that works
, and a bit of a worrying revelation for Android users. One of the vulnerabilities used was CVE-2023-41064, a buffer overflow in the ImageIO library. The details have not been confirmed, but the timing sug... | 15 | 7 | [
{
"comment_id": "6685423",
"author": "Ostracus",
"timestamp": "2023-09-22T14:13:18",
"content": "Buffer overflows have been the bane of programming for years now.Well I can understand the Retool advice, the bad guys have technology on their side. Where’s the anti-deepfake tools for example?",
"p... | 1,760,372,159.424582 | ||
https://hackaday.com/2023/09/22/whisperframe-depicts-the-art-of-conversation/ | WhisperFrame Depicts The Art Of Conversation | Kristina Panos | [
"Art",
"Artificial Intelligence",
"Raspberry Pi"
] | [
"adafruit magtag",
"ai art",
"art",
"GPT-4",
"raspberry pi",
"stable diffusion"
] | At this point, you gotta figure that you’re at least being listened to almost everywhere you go, whether it be a home assistant or your very own phone. So why not roll with the punches and turn lemons into something like a still life of lemons that’s a bit wonky? What we mean is, why not take our conversations and use ... | 12 | 9 | [
{
"comment_id": "6685383",
"author": "1984George",
"timestamp": "2023-09-22T11:36:08",
"content": "wow.What will sensors and AI lead to next?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6685385",
"author": "come3",
"timestamp": "2023-09-22T11:38:12"... | 1,760,372,159.239455 | ||
https://hackaday.com/2023/09/22/mosquito-laser-death-grid-is-just-what-it-sounds-like/ | Mosquito Laser Death Grid Is Just What It Sounds Like | Lewin Day | [
"Laser Hacks"
] | [
"laser",
"laser grid"
] | Mosquitoes suck. Quite literally. [Allen Pan] lives in an area where they’re so thick in the air, regular methods of killing them fail to put a dent in their numbers. Thus, he set about building a solution
so dangerous we wouldn’t want to be within a mile when it’s turned on.
[Allen] was inspired by a TED talk
from ove... | 37 | 18 | [
{
"comment_id": "6685344",
"author": "hartl",
"timestamp": "2023-09-22T09:24:32",
"content": "“The bugs largely avoided the device”Blood-hungry mosquitoes aren’t attracted by light, they go for CO₂ and the stink transpired by animals.",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,372,160.05902 | ||
https://hackaday.com/2023/09/21/the-loveliest-electronics-desk-youll-see-today/ | The Loveliest Electronics Desk You’ll See Today | Kristina Panos | [
"classic hacks",
"Lifehacks"
] | [
"desk",
"electronics workbench",
"mdf",
"organization"
] | Does your electronics desk have a lap drawer? And is it filled with random, disorganized detritus? Well, [Handy Bear] is here to show you that you can put so much more in every drawer you’ve got if you do it right. And boy,
it sure looks like [Handy Bear] did it right
.
Hidden inside this beautiful antique desk is plas... | 10 | 5 | [
{
"comment_id": "6685311",
"author": "mythoughts62",
"timestamp": "2023-09-22T05:15:10",
"content": "Impressive. I could never be that organized. The IKEA carts look like something I could use though…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6685340",
... | 1,760,372,159.663217 | ||
https://hackaday.com/2023/09/21/faster-string-processing-with-bloom-filters/ | Faster String Processing With Bloom Filters | Julian Scheffers | [
"Software Development"
] | [
"bloom filter",
"computer science",
"string processing"
] | At first, string processing might seem very hard to optimize. If you’re looking for a newline in some text, you have to check every character in the string against every type of newline, right? Apparently not, as [Abhinav Upadhyay] tells us
how CPython does some tricks in string processing
.
The trick in question is ba... | 8 | 4 | [
{
"comment_id": "6685324",
"author": "eKustozu",
"timestamp": "2023-09-22T07:09:18",
"content": "I hate regex, plain and simple. I find doing manual string processing with loops much easier, more comprehensive and in spirit of Knuth’s Literate Programming paradigm.",
"parent_id": null,
"dept... | 1,760,372,160.103795 | ||
https://hackaday.com/2023/09/21/altoids-tin-spy-radio-goes-solid-state/ | Altoids Tin Spy Radio Goes Solid State | Dan Maloney | [
"Radio Hacks"
] | [
"amateur radio",
"ham",
"low power",
"oscillator",
"QRP",
"SI5351",
"transceiver"
] | [Helge Fykse (LA6NCA)] has a type, as they say. At least as far as radios are concerned, he seems to prefer elegant designs that keep the BOM to the minimum needed to get the job done. And Altoids tins — he really seems to like putting radios in Altoids tins.
This QRP transceiver for the 60-meter amateur radio band
is ... | 9 | 3 | [
{
"comment_id": "6685251",
"author": "David",
"timestamp": "2023-09-21T23:19:56",
"content": "There are various Si51351 synthesizer boards out there. Here is one:https://qrp-labs.com/synth.htmlAnother:https://www.adafruit.com/product/2045?gclid=Cj0KCQjw06-oBhC6ARIsAGuzdw12NbRHz05I_5gfpfKVcmk4GhrsSM... | 1,760,372,159.710943 | ||
https://hackaday.com/2023/09/21/you-can-use-an-old-tape-deck-as-a-distortion-pedal/ | You Can Use An Old Tape Deck As A Distortion Pedal | Lewin Day | [
"Misc Hacks"
] | [
"distortion",
"electric guitar",
"guitar effects"
] | Distorted guitars were a big part of the rock revolution last century; we try to forget about the roll. As a youth, [David Hilowitz] couldn’t afford a loud aggressive amp, a distortion pedal, or even a proper electric guitar. This experience ended up teaching him that you can use random old audio hardware as a distorti... | 16 | 12 | [
{
"comment_id": "6685232",
"author": "Gamma Raymond",
"timestamp": "2023-09-21T22:13:38",
"content": "No vintage electronics were destroyed in the making of this video. 👍",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6685236",
"author": "Brian C D... | 1,760,372,159.762051 | ||
https://hackaday.com/2023/09/21/3d-printed-robot-wants-to-be-your-pet/ | 3D Printed Robot Wants To Be Your Pet | Richard Baguley | [
"Robots Hacks",
"Software Development"
] | [
"robot",
"ros",
"ROS2"
] | Robots are cool. Robots you build yourself are cooler, especially ones that use stuff you have lying around already.
Snoopy is a new open-source robot
that uses an Arduino as a brain but with a 3D printed body and a short list of parts that can probably be sourced from the junk drawer. It’s still being developed, but i... | 1 | 1 | [
{
"comment_id": "6685401",
"author": "sweethack",
"timestamp": "2023-09-22T12:31:58",
"content": "The blog links aren’t even working. It’s talking about making omniwheels on the second page (once you fix up the links by hand) and yet, it doesn’t use them in the presented design. It’s expecting to us... | 1,760,372,159.605453 | ||
https://hackaday.com/2023/09/21/keebin-with-kristina-the-one-with-the-busy-box-macro-pad/ | Keebin’ With Kristina: The One With The Busy Box Macro Pad | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"blind typewriter",
"game boy advance",
"game boy cartridge",
"gameboy cartridge",
"Hamilton Automatic Typewriter",
"harlequin",
"keyboard",
"macro pad",
"macropad",
"typewriter"
] | Well, I must admit that
Google Translate completely failed me here
, and thus I have no real idea what the trick is to this beautiful, stunning transparent split keyboard by [illness072]. Allegedly, the older tweets (exes?) hold the key to this magic, but again, Google Translate.
Based on top picture, I assume that the... | 7 | 5 | [
{
"comment_id": "6685112",
"author": "MAC",
"timestamp": "2023-09-21T17:31:10",
"content": "“Furthermore, it wasn’t for everyone — the Hamilton Automatic only typed capitals, some figures, and numerals. There isn’t even a number one; the user has to use I, presumably.” I see that the number 0 is al... | 1,760,372,159.81879 | ||
https://hackaday.com/2023/09/21/ballistic-bmw-blocks-both-bullets-and-booms/ | Ballistic BMW Blocks Both Bullets And Booms | Kristina Panos | [
"car hacks"
] | [
"armor steel",
"armored car",
"ballistics",
"bmw",
"grenades"
] | Maybe you like to live dangerously. Like, James Bond dangerously. Well, we won’t judge, but we will pass this along —
BMW has created the ultimate driving machine for shootouts and war zones
.
Rather than having aftermarket anti-ballistic bits and bobs attached at a later date, this BMW 7 Series is born anti-ballistic ... | 47 | 23 | [
{
"comment_id": "6685061",
"author": "Dontdriveinsaopalo",
"timestamp": "2023-09-21T15:34:25",
"content": "Almost bought a 740iL (2001) with the protetion package for fun as well. They are quite a bit quieter inside which was the buying point for me.",
"parent_id": null,
"depth": 1,
"rep... | 1,760,372,159.904701 | ||
https://hackaday.com/2023/09/21/books-you-should-read-david-macaulays-architecture-series/ | Books You Should Read: David Macaulay’s Architecture Series | Dan Maloney | [
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"architecture",
"books you should read",
"engineering",
"history"
] | For a lot of us, there’s a bright line separating the books we enjoyed as children from the “real” books of our more mature years. We all eventually age out of the thin, brightly illustrated picture books we enjoyed in our youth, replacing them with thicker, wordier volumes with fewer and fewer illustrations, until the... | 33 | 21 | [
{
"comment_id": "6685049",
"author": "Ostracus",
"timestamp": "2023-09-21T14:36:54",
"content": "The way things work is also a fun book.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6685051",
"author": "Ostracus",
"timestamp": "2023-09-21T1... | 1,760,372,159.982936 | ||
https://hackaday.com/2023/09/21/radio-apocalypse-the-bbc-radio-program-that-couldnt-have-started-wwiii/ | Radio Apocalypse: The BBC Radio Program That Could(n’t) Have Started WWIII | Dan Maloney | [
"Radio Hacks"
] | [
"ballistic missile",
"bbc",
"failsafe",
"longwave",
"LW",
"nuclear",
"sigint",
"signals intelligence"
] | Here’s a question for you: if you’re the commander of a submarine full of nuclear missiles, how can you be sure what
not
receiving a launch order really means? If could — and probably does — mean that everything is hunky dory on land, and there’s no need to pull the trigger. Or, could radio silence mean that the party ... | 28 | 9 | [
{
"comment_id": "6684992",
"author": "Mystick",
"timestamp": "2023-09-21T11:25:47",
"content": "“Fail-deadly” (opposed to fail-safe) policies were largely dropped from the playbooks after RAND simulations resulted in more-than-even odds of a launch-in-error, increasing as time passed after the “stan... | 1,760,372,160.166371 | ||
https://hackaday.com/2023/09/21/building-a-charging-holder-for-the-apple-pencil/ | Building A Charging Holder For The Apple Pencil | Lewin Day | [
"Mac Hacks",
"Peripherals Hacks"
] | [
"apple pencil",
"ipad",
"ipod"
] | The Apple Pencil is a neat tool for digital creativity, but the user experience is a bit blah when it comes to charging. You either have to plug it into an iPhone or iPad directly, or an iPhone charger using a special adapter. It’s a bit below Apple’s usual seamless best. [Handy Bear] got around this fuss by building
t... | 24 | 7 | [
{
"comment_id": "6684954",
"author": "Jan",
"timestamp": "2023-09-21T09:01:18",
"content": "This is the perfect tool to accidentally stab yourself or poke an eye out for everyone who has a habit of falling asleep behind a desk. Pointy things pointing upwards is asking for trouble if you ask me.",
... | 1,760,372,160.337083 | ||
https://hackaday.com/2023/09/20/atari-gets-semi-modern-video-output/ | Atari Gets Semi-Modern Video Output | Bryan Cockfield | [
"Retrocomputing"
] | [
"2600",
"2600jr",
"atari",
"s-video",
"video output"
] | The Atari 2600 is a historical enigma in many ways. On one hand, it was the most popular gaming console of its era, but it was also at the center of the video game crash of 1983 due to the poor quality of its games at the time. It is a fascinating system in many ways that are still relevant today, especially when it co... | 12 | 5 | [
{
"comment_id": "6684904",
"author": "Eric",
"timestamp": "2023-09-21T05:42:23",
"content": "“custom chip called teh Television Interface Adapter (TIA)” 2 letters flipped thereProgramming for 2600 has been a challenge because of having no video RAM. You had to code to update the video in real time ... | 1,760,372,160.387802 | ||
https://hackaday.com/2023/09/20/aluminum-battery-is-sustainable/ | Aluminum Battery Is Sustainable | Al Williams | [
"Science"
] | [
"aluminium",
"battery"
] | If you think of metals in a battery, you probably think of lithium, mercury, lead, nickel, and cadmium. But researchers in Australia and China want you to think about
aluminum
. Unlike most battery metals, aluminum is abundant and not difficult to dispose of later.
Their battery design uses water-based electrolytes and... | 27 | 6 | [
{
"comment_id": "6684836",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-09-21T02:08:43",
"content": "Time will tell if this battery will be practical.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6685580",
"author": "future g... | 1,760,372,160.447924 | ||
https://hackaday.com/2023/09/20/silencing-a-3d-printer-with-acoustic-foam-isnt-that-easy/ | Silencing A 3D Printer With Acoustic Foam Isn’t That Easy | Lewin Day | [
"3d Printer hacks"
] | [
"3d printer",
"acoustic foam",
"sound reduction"
] | 3D printers are supremely useful tools, but their incessant whining and droning can be distracting and tiresome. [Handy Bear] decided to try some simple ways to
quieten down their printer using acoustic foam, with mixed results.
The video starts by exploring two different acoustic foams; one black, one white. The latte... | 23 | 13 | [
{
"comment_id": "6684761",
"author": "Brian C",
"timestamp": "2023-09-20T23:47:47",
"content": "Make it quieter by placing it on top of a piece of those excersize mats you can get cheaply…the extra noise usually comes from the vibration translating into a solid object like a desktop, then gets ampli... | 1,760,372,160.553743 | ||
https://hackaday.com/2023/09/20/spooky-noise-box-plays-war-drums/ | Spooky Noise Box Plays War Drums | Kristina Panos | [
"classic hacks",
"Holiday Hacks"
] | [
"noise box",
"piezo",
"piezo disk",
"reverb",
"rubber band",
"spring"
] | What do you have cooked up to scare trick-or-treaters this Halloween? We humbly suggest adding in some type of noise box,
especially one like this offering from [Paisley Computer]
that uses reverb and other effects to achieve chilling, thrilling sounds.
As you can see, this instrument is essentially a bunch of doodads ... | 6 | 5 | [
{
"comment_id": "6684680",
"author": "TG",
"timestamp": "2023-09-20T20:58:19",
"content": "Yeah the head scratcher is genius",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6684756",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-09... | 1,760,372,160.495707 | ||
https://hackaday.com/2023/09/20/cold-metal-fusion-for-3d-printing/ | Cold Metal Fusion For 3D Printing | Al Williams | [
"3d Printer hacks",
"Laser Hacks"
] | [
"cold metal fusion",
"metal 3d printing",
"sls"
] | When you see the term cold fusion, you probably think about energy generation, but the
Cold Metal Fusion Alliance
is an industry group all about 3D printing metal using Selective Laser Sintering (SLS) printers. The technology promoted by
Headmade Materials
typically involves using a mix of metal and plastic powder. The... | 13 | 4 | [
{
"comment_id": "6684714",
"author": "C. Emery",
"timestamp": "2023-09-20T22:06:12",
"content": "I’ve been interested in amorphous metals and wonder if the bonding agent using it could be sintered using this tech….it seems a very high price for bare materials…hopefully someone will buy a quantity an... | 1,760,372,160.800607 | ||
https://hackaday.com/2023/09/20/button-button-whos-got-the-pico-button/ | Button, Button, Who’s Got The (Pico) Button? | Al Williams | [
"Hackaday Columns",
"Microcontrollers",
"Raspberry Pi",
"Slider"
] | [
"bootsel",
"pico",
"raspberry pi"
] | There is an episode of
Ren and Stimpy
with a big red “history eraser’ button that must not be pressed. Of course, who can resist the temptation of pressing the unpressable button? The same goes for development boards. If there is a button on there, you want to read it in your code, right? The Raspberry Pi Pico is a bit... | 26 | 12 | [
{
"comment_id": "6684647",
"author": "Chris",
"timestamp": "2023-09-20T18:01:50",
"content": "My approach was just to add little solder jumpers to the boot and reset pin that connects them (optionally!) to the IO header!https://hackaday.io/project/192207-crapi2040",
"parent_id": null,
"depth... | 1,760,372,160.751341 | ||
https://hackaday.com/2023/09/20/salad-spinner-busts-some-new-moves/ | Salad Spinner Busts Some New Moves | Kristina Panos | [
"Games",
"Peripherals Hacks"
] | [
"bust-a-move",
"controller",
"controoler",
"custom controller",
"FreePIE",
"mouse",
"salad spinner",
"vJoy"
] | Can you believe that [Tom Tilley]’s wife was just going to pawn off this perfectly good salad spinner on the thrift store when it’s so ripe for hacking? We couldn’t, either. Fortunately,
he caught it just in time
, right before dinner.
One of the coolest things a person can do that also tends to aid gameplay is to make... | 18 | 9 | [
{
"comment_id": "6684606",
"author": "RW ver 0.0.3",
"timestamp": "2023-09-20T15:35:36",
"content": "One could also 3D print or fab up a small testube/vial holder to go inside a salad spinner to make a home lab centrifuge for small samples.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,160.859889 | ||
https://hackaday.com/2023/09/20/youve-got-mail-reading-addresses-with-ocr/ | You’ve Got Mail: Reading Addresses With OCR | Kristina Panos | [
"Featured",
"History",
"Interest",
"Original Art",
"Slider"
] | [
"ocr",
"post office",
"USPS"
] | Last time I delivered on this column, I told you about
the USPS’ attempts to fully automate a post office
. Of course, that’s a bit of a misnomer, since it took 1,500 employees to actually operate the place on a daily basis. Although Project Turnkey in Rhode Island and Project Gateway in California were proving grounds... | 14 | 7 | [
{
"comment_id": "6684660",
"author": "Dan",
"timestamp": "2023-09-20T19:27:48",
"content": "Banks have moved to OCR to read cheques.When a cheque was repeatedly rejected by the machine, I took it to the human, who helpfully suggested I could save time using the machine.I explained the machine had fa... | 1,760,372,160.684964 | ||
https://hackaday.com/2023/09/20/tmd-3-clever-hall-sensor-hack-leads-to-better-turing-demo/ | TMD-3: Clever Hall Sensor Hack Leads To Better Turing Demo | Dan Maloney | [
"computer hacks",
"Raspberry Pi"
] | [
"demonstrator",
"hall effect",
"head",
"state machine",
"tape",
"turing",
"Turing machine"
] | We’ll beat everyone to the punch: yes, actually
building a working Turing machine
, especially one that uses a Raspberry Pi, is probably something that would have pushed [Alan Turing]’s buttons, and not in a good way. The Turing machine is, above all else, a thought experiment, an abstraction of how a mechanical comput... | 4 | 3 | [
{
"comment_id": "6684519",
"author": "jpa",
"timestamp": "2023-09-20T12:08:20",
"content": "Alternative way to do tile detection could be to have a LC resonator in each tile and a grid of PCB coils. Then check what frequency each tile location resonates at after poking it by transmitting a current p... | 1,760,372,160.899423 | ||
https://hackaday.com/2023/09/20/scaled-up-matches-are-hilarious-and-moderately-effective/ | Scaled-Up Matches Are Hilarious And Moderately Effective | Lewin Day | [
"classic hacks"
] | [
"campfire",
"giant",
"match",
"matches",
"prop"
] | Regular matches are fine for lighting candles and the like, but they’re a bit small and fiddly to use. After seeing some giant prop matches used in a stage play,
[Handy Bear] decided to see if they could build some functional extra-large matches at home.
The build starts with a square wooden dowel, cut into lengths to ... | 22 | 12 | [
{
"comment_id": "6684488",
"author": "adrian",
"timestamp": "2023-09-20T09:14:16",
"content": "Maybe use something like balsa wood ? Less mass to heat up sop it should catch fire more easily",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6684504",
"a... | 1,760,372,160.958248 | ||
https://hackaday.com/2023/09/19/open-source-tracker-keeps-an-eye-on-furry-friends/ | Open Source Tracker Keeps An Eye On Furry Friends | Richard Baguley | [
"home hacks",
"Microcontrollers"
] | [
"cat",
"iphone",
"iphone app",
"pet",
"tracking"
] | Most of the time, you’ll know where your cats are — asleep on the bed about 23.5 hours a day and eating or pooping the rest of the time. But some cats are more active than others, so there’s commercial options for those who want to keep tabs on their pet. Unfortunately, [Sahas Chitlange] didn’t like any of them, so he
... | 49 | 15 | [
{
"comment_id": "6684430",
"author": "gene",
"timestamp": "2023-09-20T05:12:32",
"content": "I like the concept of RF tracking like a MarcoPolo system.No service required, very good battery life, very good distance.Someone PLEASE come up with or direct me to an open source transmitter for that, the... | 1,760,372,161.436508 | ||
https://hackaday.com/2023/09/19/latency-meter-for-accurate-gaming/ | Latency Meter For Accurate Gaming | Bryan Cockfield | [
"Games"
] | [
"arduino",
"gaming",
"hid",
"human interface device",
"input lag",
"input latency",
"lag",
"latency",
"monitor",
"mouse",
"speed",
"timing"
] | The gaming world experienced a bit of a resurgence in 2020 that is still seen in the present day. Even putting aside the effects from the pandemic, the affordability and accessibility has arguably never been better. Building a gaming PC can have its downsides, though, and a challenging issue to troubleshoot is input la... | 17 | 6 | [
{
"comment_id": "6684408",
"author": "Piecutter",
"timestamp": "2023-09-20T02:33:26",
"content": "I think maybe “camera” might be a bit of a liberal interpretation.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6684473",
"author": "Krzysztof",
... | 1,760,372,161.247879 | ||
https://hackaday.com/2023/09/18/satellite-hunting-hack-chat/ | Satellite Hunting Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"Hack Chat"
] | Join us on Wednesday, September 20 at noon Pacific for the
Satellite Hunting Hack Chat
with Scott Tilley!
From the very first beeps of Sputnik, space has primarily been the domain of nations. It makes sense — for the most part, it takes the resources of a nation to get anything of appreciable size up out of the gravity... | 5 | 3 | [
{
"comment_id": "6683823",
"author": "Mystick",
"timestamp": "2023-09-18T20:22:45",
"content": "I would hunt satellites, but the DNR licensing for that is a pain, the season is really short, and they are so skittish, if you don’t have the right blind they just fly away before you can get lined up on... | 1,760,372,161.287093 | ||
https://hackaday.com/2023/09/18/fast-charging-a-cargo-bike-from-an-electric-car-charger/ | Fast Charging A Cargo Bike From An Electric Car Charger | Navarre Bartz | [
"Transportation Hacks"
] | [
"bicycle",
"bike",
"cargo bike",
"ebike",
"ebike battery",
"electric bike",
"electric vehicle charger",
"EV charger",
"Front Loader",
"j1772",
"NACS",
"North American Charging Standard"
] | Fast charging is all the rage with new electric cars touting faster and faster times to full, but other EVs like ebikes and scooters are often left out of the fun with exceedingly slow charging times. [eprotiva] wanted to change this, so he rigged up a
fast charging solution
for his cargo bike.
Level 2 electric vehicle... | 15 | 8 | [
{
"comment_id": "6683659",
"author": "Eric",
"timestamp": "2023-09-18T15:35:01",
"content": "Are the NACS plugs really the most plentiful? Never really seen them as often as J1772 L2 here in Maryland, but who knows nationwide…",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,161.343102 | ||
https://hackaday.com/2023/09/18/the-challenge-of-weather-modification-in-the-face-of-climate-change/ | The Challenge Of Weather Modification In The Face Of Climate Change | Maya Posch | [
"Engineering",
"Featured",
"Interest",
"Original Art",
"Science",
"Slider"
] | [
"terraforming",
"weather modification"
] | Over the past decades we have been able to observe a change in the Earth’s climate, caused by an increasing amount of energy being retained in the atmosphere. This in turn has affected weather systems around the globe, causing more extreme weather. As a result, the prospect of weather control is more relevant than ever... | 80 | 14 | [
{
"comment_id": "6683642",
"author": "johnrpm",
"timestamp": "2023-09-18T15:03:31",
"content": "Weather modification, what can go wrong.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6683665",
"author": "Shannon",
"timestamp": "2023-09-18T15... | 1,760,372,161.641213 | ||
https://hackaday.com/2023/09/18/sailor-hat-adds-graceful-shutdown-to-pis/ | Sailor Hat Adds Graceful Shutdown To Pis | Bryan Cockfield | [
"Raspberry Pi"
] | [
"capacitor",
"filter",
"hat",
"input voltage",
"noise",
"power",
"power conditioning",
"raspberry pi",
"supercapacitor"
] | Even though Windows and other operating systems constantly remind us to properly eject storage devices before removing them, plenty of people won’t heed those warnings until they finally corrupt a drive and cause all kinds of data loss and other catastrophes. It’s not just USB jump drives that can get corrupted, though... | 45 | 12 | [
{
"comment_id": "6683580",
"author": "Mike",
"timestamp": "2023-09-18T11:28:07",
"content": "” especially in applications like boats and passenger vehicles… ” PI’s are commercial temp rated. So good luck putting a PI in those types of applications.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,161.726131 | ||
https://hackaday.com/2023/09/18/nitinol-is-a-material-we-need-to-be-playing-with-more/ | Nitinol Is A Material We Need To Be Playing With More | Bob Baddeley | [
"Science"
] | [
"Kickstarer",
"memory wire",
"nitinol",
"shape memory",
"shape memory alloy"
] | Another Kickstarter, another opportunity for people to get mad at delayed and poorly functioning (if delivered at all) gadgets. This project aims to make
airless tires for bikes and scooters using nitinol
, and despite the company’s failed attempt at
pedaling
their wares on
Shark Tank
last year, the campaign has alread... | 51 | 24 | [
{
"comment_id": "6683537",
"author": "LOL",
"timestamp": "2023-09-18T08:17:33",
"content": "“The company has been on Shark Tank pedaling their wares”Ah, well done! 😃",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6683540",
"author": "James",
"timestam... | 1,760,372,161.821052 | ||
https://hackaday.com/2023/09/17/3d-printing-at-100c/ | 3D Printing At 100C | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"polycaprolactone"
] | Normally, 3D printing with filament takes temperatures of around 200 °C. However, there are some crafting plastics that melt in hot water at 60 °C. You can get spools of similar plastic that prints at very low temperatures, and some 3D printing pens use it. [Lost in Tech] picked up a spool of the stuff meant for medica... | 23 | 12 | [
{
"comment_id": "6683501",
"author": "DeVice",
"timestamp": "2023-09-18T06:50:41",
"content": "I think the “Moldlay” filament – designed for printing molds you can dissolve easily with heat – is (or was, not sure it’s still made ?) printed at even lower temperatures.",
"parent_id": null,
"de... | 1,760,372,161.879487 | ||
https://hackaday.com/2023/09/17/buck-converter-has-tremendous-range/ | Buck Converter Takes 8V To 100V | Bryan Cockfield | [
"Parts"
] | [
"buck",
"buck converter",
"converter",
"dc",
"dc-dc",
"mp9486",
"power supply"
] | For those living before the invention of the transistor, the modern world must appear almost magical. Computers are everywhere now and are much more reliable, but there are other less obvious changes as well. Someone from that time would have needed a huge clunky machine like a motor-generator set to convert DC voltage... | 40 | 10 | [
{
"comment_id": "6683454",
"author": "Miles",
"timestamp": "2023-09-18T02:13:59",
"content": "I read this as converts 8v into 100v, AKA a boost converter.I see now the title should have been: “accepts up to 100v”.I feel the title could be less ambiguous.Could definitely be useful for a 72v-82v Golf ... | 1,760,372,161.960861 | ||
https://hackaday.com/2023/09/19/printed-upgrades-improve-cheap-digital-microscope/ | Printed Upgrades Improve Cheap Digital Microscope | Bryan Cockfield | [
"LED Hacks",
"Tool Hacks"
] | [
"led",
"LED driver",
"microscope",
"voltage regulator"
] | Digital microscopes used to be something that only labs or universities might have, but as image sensor technology has progressed, the prices have fallen to the point that any classroom or hobbyist can easily obtain a usable device. The only problem is that a lot of features and quality have been lost to make some of t... | 7 | 4 | [
{
"comment_id": "6684106",
"author": "CRJEEA",
"timestamp": "2023-09-19T10:12:51",
"content": "Next addition, an electrically actuated slide stage with submillimetre precision. Perhaps add software bookmarks for fast navigation between points of interest.",
"parent_id": null,
"depth": 1,
... | 1,760,372,162.006317 | ||
https://hackaday.com/2023/09/18/mobile-gopher-client-brings-fossil-wrist-pda-online/ | Mobile Gopher Client Brings Fossil Wrist PDA Online | Robin Kearey | [
"Retrocomputing",
"Wearable Hacks"
] | [
"Fossil Wrist PDA",
"Gopher",
"Overbite",
"Palm OS 4",
"PPP"
] | Like many new technologies, smartwatches needed a few iterations before they became useful enough for the average person. Early examples were too clunky and limited to be of use to anyone but geeks who wanted to show off their “next big thing”. The 2005 Fossil Wrist PDA was a prime example: although impressively compac... | 7 | 4 | [
{
"comment_id": "6684053",
"author": "Bear Naff",
"timestamp": "2023-09-19T07:11:11",
"content": "Aw man, where was this guy fifteen years ago? I spent ages trying to figure out how to get a continuous PPP connection between a Linux host and a networking-modified WristPDA so I could run a VNC clien... | 1,760,372,162.253509 | ||
https://hackaday.com/2023/09/18/multispectral-imaging-shows-erased-evidence-of-ancient-star-catalogue/ | Multispectral Imaging Shows Erased Evidence Of Ancient Star Catalogue | Donald Papp | [
"News",
"Science"
] | [
"ancient greek",
"astronomy",
"history",
"multispectral"
] | Ancient Greek astronomer Hipparchus worked to accurately catalog and record the coordinates of celestial objects. But while Hipparchus’ Star Catalogue is known to have existed, the document itself is lost to history. Even so,
new evidence has come to light
thanks to patient work and multispectral imaging.
Hipparchus’ S... | 43 | 9 | [
{
"comment_id": "6683978",
"author": "Andrew",
"timestamp": "2023-09-19T02:15:57",
"content": "Proof that Big Astronomy has been around suppressing information for millennia.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6683980",
"author": "kmlandr... | 1,760,372,162.089376 | ||
https://hackaday.com/2023/09/18/replicating-faradays-200-year-old-electric-motor/ | Replicating Faraday’s 200-Year-Old Electric Motor | Robin Kearey | [
"classic hacks",
"Science"
] | [
"Electric motor",
"electromagnetics",
"history",
"homopolar motor",
"Michael Faraday"
] | Although new electric motor types are still being invented, the basic principle of an electric motor has changed little in the past century-and-a-half: a stator and a rotor built of magnetic materials plus a bunch of strategically-placed loops of wire. But getting even those basic ingredients right took a lot of experi... | 13 | 8 | [
{
"comment_id": "6683961",
"author": "limroh",
"timestamp": "2023-09-19T01:19:43",
"content": "I mean ‘technically’ not a hack. ;-)But damn, this is nice!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6684245",
"author": "Rex",
"timestamp": ... | 1,760,372,162.138418 | ||
https://hackaday.com/2023/09/18/driving-a-motor-with-an-audio-amp-chip/ | Driving A Motor With An Audio Amp Chip | Al Williams | [
"hardware"
] | [
"audio amp",
"h-bridge",
"motor driver"
] | [InazumaDenki] wanted to answer the question:
can you drive a motor with an audio amplifier chip
? The answer, of course, is yes. The TDA7052 has a single input, and a bridge output meant to drive a speaker differentially. It should work if the motor doesn’t present more of a load than a speaker.
The plan was to use a ... | 25 | 11 | [
{
"comment_id": "6683819",
"author": "Paul",
"timestamp": "2023-09-18T20:16:20",
"content": "Even better: Use a stereo amp to drive the two phases of a stepper.With a pair of DACs driving sine waves into the amp it’s ‘infinite microstepping’, and near dead silent.Burns a lot of power though, but you... | 1,760,372,162.203612 | ||
https://hackaday.com/2023/09/18/simulating-a-real-perpetual-motion-device/ | Simulating A Real Perpetual Motion Device | Maya Posch | [
"Science"
] | [
"perpetual motion",
"physics"
] | Perpetual motion and notions of ‘free energy’ devices are some of those pseudo-science topics that seem to perpetually hang around, no matter how many times it is explained how this would literally violate the very fabric of the Universe. Even so, the very notion of a device which repeats the same action over and over ... | 25 | 10 | [
{
"comment_id": "6683802",
"author": "Hirudinea",
"timestamp": "2023-09-18T19:38:26",
"content": "It’s a great art piece, but in this house we obey the laws of thermodynamics.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6683806",
"author": "Greg Garriss... | 1,760,372,162.31842 | ||
https://hackaday.com/2023/09/18/what-is-killing-cursive-ballpoints-probably/ | What Is Killing Cursive? Ballpoints. Probably. | Kristina Panos | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"ballpoint",
"ballpoint pen",
"cursive",
"fountain pen"
] | I get it — you hate writing by hand. But have you ever considered why that is? Is it because typing is easier, faster, and more convenient here in 2023? Maybe so. All of those notwithstanding, I honestly think there’s an older reason: it’s because of the rise of ballpoint pens.
And I’m not alone
.
Bear with me here. Ma... | 225 | 50 | [
{
"comment_id": "6683703",
"author": "Jon Mayo",
"timestamp": "2023-09-18T17:14:57",
"content": "I like using pencil, it doesn’t run if it gets wet.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6683753",
"author": "Foldi-One",
"timestamp": ... | 1,760,372,163.148079 |
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