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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2023/12/01/add-some-blinkenlights-to-your-supercon-badge/ | Add Some Blinkenlights To Your Supercon Badge | Kristina Panos | [
"cons",
"LED Hacks"
] | [
"2023 Hackaday Supercon",
"2023 Hackaday Superconference",
"addressable led",
"leds",
"ws2812",
"WS2812-1010"
] | We’re not sure what is more amazing here: the glow of the blinkenlights themselves, the tedium involved in creating it, or the fact that
[makeTVee] soldered 280 microscopic WS2812 LEDs while at Supercon
.
This hack began before the con when [makeTVee] designed the LED-diffusing frame in Fusion 360 and printed it in cle... | 14 | 6 | [
{
"comment_id": "6703933",
"author": "ItsMrJP",
"timestamp": "2023-12-01T15:06:22",
"content": "We had so much fun at SuperCon! I feel very fortunate to be able to call makeTVee my friend. On top of his awesome badge, he also made another for me!",
"parent_id": null,
"depth": 1,
"replies... | 1,760,372,088.579312 | ||
https://hackaday.com/2023/12/01/__trashed-10/ | A Few New Car Owners Will Join The 48V Future | Jenny List | [
"Transportation Hacks"
] | [
"48v",
"cybertruck",
"tesla"
] | Leaving aside all the annoying hype surrounding Tesla’s Cybertruck, there’s a little technical detail which might be of more interest to readers than the automotive behemoth itself.
It’s one of very few vehicles on the road to eschew 12 volt electrics for not 24 volt, but 48 volt
. This has been one of those automotive... | 135 | 21 | [
{
"comment_id": "6703842",
"author": "IIVQ",
"timestamp": "2023-12-01T10:48:32",
"content": "This will probably save a lot of cabling (thicknesswise) and thus weight but also price.Anywhere where 12v is needed (or 5, or 3.3), it can easily be converted down.I was surprised to learn that one type of ... | 1,760,372,088.897938 | ||
https://hackaday.com/2023/11/30/is-microsoft-basic-hidden-in-this-educational-childs-toy/ | Is Microsoft BASIC Hidden In This Educational Child’s Toy? | Lewin Day | [
"Retrocomputing",
"Toy Hacks"
] | [
"basic",
"microsoft",
"PreComputer",
"retrocomputing",
"VTech",
"z80"
] | The VTech PreComputer 1000 is a rather ancient toy computer that was available in the distant misty past of 1988. It featured a keyboard and a variety of simple learning games, but does it also feature Microsoft BASIC?
[Robin] of 8-Bit Show and Tell dove in to find out.
Officially, the PreComputer was programmable in a... | 24 | 13 | [
{
"comment_id": "6703797",
"author": "Ostracus",
"timestamp": "2023-12-01T06:29:27",
"content": "“We also love the idea that the PreComputer 1000 was actually quite a capable machine hiding behind a single-line LCD display.”Hackers first computer. Well, got to start them early.",
"parent_id": nu... | 1,760,372,089.048566 | ||
https://hackaday.com/2023/11/30/absolutely-everything-about-the-coleco-adam-8-bit-home-computer/ | Absolutely Everything About The Coleco Adam, 8-bit Home Computer | Donald Papp | [
"Retrocomputing"
] | [
"80's",
"Adam",
"Coleco",
"colecovision",
"retro",
"vintage"
] | [Thom Cherryhomes] shared with us an incredible resource for anyone curious about the Coleco Adam, one of the big might-have-been home computers of the 80s. There’s
a monstrous 4-hour deep dive video
(see the video description for a comprehensive chapter index) that makes a fantastic reference for anyone wanting to see... | 22 | 15 | [
{
"comment_id": "6703772",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-01T04:22:41",
"content": "$600 was a pretty big step back in those days, especially when I bought my TimexSinclair-1000 for $30.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,088.284864 | ||
https://hackaday.com/2023/11/30/hacked-tea-lights-flicker-just-right/ | Hacked Tea Lights Flicker Just Right | Kristina Panos | [
"Microcontrollers"
] | [
"attiny85",
"flickering candle",
"flickering led",
"Tea Lights"
] | Flickering LED tea lights are a friendly and safe alternative to having flaming little pots of wax situated around your home, but sometimes the flicker scheme leaves something to be desired.
[Roger Rabbit] found a set of six such rechargeable tea lights with a base and a remote, and
replaced the controller with an ATti... | 17 | 7 | [
{
"comment_id": "6703736",
"author": "paulvdh",
"timestamp": "2023-12-01T00:37:37",
"content": "I once also tore down some seemingly similar looking “candle lights” (Mine were working on CR2032) and all the electronics were integrated in the LED itself. Looking at it though a microscope I could see... | 1,760,372,088.634528 | ||
https://hackaday.com/2023/11/30/the-raspberry-pi-5-can-use-external-graphics-cards-now/ | The Raspberry Pi 5 Can Use External Graphics Cards Now | Lewin Day | [
"Raspberry Pi"
] | [
"gpu",
"raspberry pi",
"Raspberry Pi 5"
] | The Raspberry Pi line is full of capable compact computers, but they’ve never been the strongest in the bunch when it comes to graphical output. Nor have they been particularly expandable in that regard. However, that’s all beginning to change, with [Jeff Geerling] reporting success
getting external GPUs to work on the... | 32 | 18 | [
{
"comment_id": "6703696",
"author": "exitableUser",
"timestamp": "2023-11-30T21:11:05",
"content": "Really interesting",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6703705",
"author": "Gino Latino",
"timestamp": "2023-11-30T22:11:03",
"content":... | 1,760,372,089.244315 | ||
https://hackaday.com/2023/11/30/the-minimum-required-for-a-film-camera/ | The Minimum Required For A Film Camera | Jenny List | [
"classic hacks"
] | [
"35mm film",
"camera",
"pinhole camera"
] | Film cameras
can
be complex and exquisitely-crafted masterpieces of analogue technology. But at their very simplest they need be little more than a light-proof box with a piece of film at the back of it, and some kind of lens or pinhole with a shutter. [ChickenCrimpy] adds the most basic of 35 mm cartridge to create wh... | 13 | 9 | [
{
"comment_id": "6703677",
"author": "SETH",
"timestamp": "2023-11-30T20:13:51",
"content": "My favorite course in college, Photography. I made a cassette tape and an altoids tin pinhole camera. Aka i used an exacto knife and lots of tape. Loading and unloading film constituted assembling and dis... | 1,760,372,088.526697 | ||
https://hackaday.com/2023/11/30/end-of-an-era-popular-science-shutters-magazine/ | End Of An Era: Popular Science Shutters Magazine | Tom Nardi | [
"Hackaday Columns",
"News",
"Slider"
] | [
"magazine",
"popular science",
"print"
] | Just three years after the iconic magazine abandoned its print version and went all-digital,
Popular Science
is now halting its subscription service entirely
. The brand itself will live on — their site will still run tech stories and news articles, and they have two podcasts that will keep getting new episodes — but n... | 69 | 19 | [
{
"comment_id": "6703634",
"author": "Bob",
"timestamp": "2023-11-30T18:02:54",
"content": "Well, most tech and DIY magazines are basically just catalogs now and I suppose it’s just easier to do that on youtube.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,372,088.470754 | ||
https://hackaday.com/2023/11/30/autonomous-excavator-builds-stone-wall-algorithmically/ | Autonomous Excavator Builds Stone Wall Algorithmically | Kristina Panos | [
"Robots Hacks"
] | [
"autonomous vehicle",
"construction",
"construction equipment",
"excavator"
] | In a move that aims to further the circular economy of the construction industry, researchers at ETH Zurich have let an autonomous excavator loose on a big pile of boulders and reclaimed concrete. The goal? To
build a 20 foot (6 meter) and 213 ft (65 m) long dry-stone wall
as part of a park where the landscape was digi... | 21 | 11 | [
{
"comment_id": "6703604",
"author": "TG",
"timestamp": "2023-11-30T16:48:23",
"content": "It not only scans the rock’s physical geometry but applies textures as well?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6704256",
"author": "Gravis",
... | 1,760,372,088.349962 | ||
https://hackaday.com/2023/11/30/falsified-photos-fooling-adobes-cryptographically-signed-metadata/ | Falsified Photos: Fooling Adobe’s Cryptographically-Signed Metadata | Adam Zeloof | [
"Current Events",
"digital cameras hacks",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"ai",
"copyright",
"encryption",
"photography"
] | Last week, we wrote about the
Leica M11-P, the world’s first camera with Adobe’s Content Authenticity Initiative (CAI) credentials baked into every shot
. Essentially, each file is signed with Leica’s encryption key such that any changes to the image, whether edits to the photo itself or the metadata, are tracked. The ... | 34 | 17 | [
{
"comment_id": "6703579",
"author": "dongwaffle",
"timestamp": "2023-11-30T15:36:32",
"content": "These all sound like UI problems, nothing in the “attack” presented above appears to actually break the chain of trust. I don’t care much about this stuff but if I was, say, running the photo desk at ... | 1,760,372,088.980573 | ||
https://hackaday.com/2023/11/30/300-amps-through-an-open-source-speed-controller/ | 300 Amps Through An Open Source Speed Controller | Lewin Day | [
"Transportation Hacks"
] | [
"e-bike",
"ebike",
"electric scooter",
"esc",
"motor controller",
"vesc"
] | Sometimes, a little puny matchbox-sized electronic speed controller (ESC) won’t do the job. If you find yourself looking for something heftier, say, in the range of hundreds of amps, you might look towards a design like the MP2 ESC.
[owhite] has built an example of the design
that can deliver some serious power.
[owhit... | 23 | 5 | [
{
"comment_id": "6703548",
"author": "PWalsh",
"timestamp": "2023-11-30T14:03:45",
"content": "I took a look at the schematic. No TO-220 packages, no heat sinks.The power MOS-Fets are about $5 apiece on DigiKey, and you need 6 per phase (x3 = 18).You will need bus-bars mounted/soldered to the board ... | 1,760,372,089.11533 | ||
https://hackaday.com/2023/11/30/open-source-spacecraft-avionics-with-nasas-core-flight-system/ | Open Source Spacecraft Avionics With NASA’s Core Flight System | Maya Posch | [
"Software Development",
"Space"
] | [
"avionics",
"cFS",
"framework",
"nasa"
] | One thing about developing satellites, spacecraft, rovers and kin is that they have a big overlap in terms of functionality. From communication, to handling sensors, propulsion, managing data storage, task scheduling and so on, the teams over at NASA have found over the years that with each project there was a lot of r... | 18 | 5 | [
{
"comment_id": "6703523",
"author": "ftg",
"timestamp": "2023-11-30T11:22:20",
"content": "Interesting. I wonder how soon there will be a freeRTOS based distribution of this for RP2040, ESP32 or EFR32.And then the real fun starts with hobbyist cubesat formfactor tabletop simulator models.",
"pa... | 1,760,372,089.174252 | ||
https://hackaday.com/2023/11/29/gesture-controlled-robot-arm-is-a-nifty-educational-build/ | Gesture-Controlled Robot Arm Is A Nifty Educational Build | Lewin Day | [
"Robots Hacks"
] | [
"gesture control",
"Micro:bit",
"robot",
"robotic arm"
] | Traditionally, robot arms have been controlled either by joysticks, buttons, or very carefully programmed routines. However, for [Narongporn Laosrisin’s] homebrew build,
they decided to go with gesture control instead.
The
MeArm robotic arm
is built using laser cut acrylic parts, and can be had in a kit
if so desired
.... | 2 | 2 | [
{
"comment_id": "6703471",
"author": "Nicely done",
"timestamp": "2023-11-30T06:21:45",
"content": "The further applications of this concept – a wireless remote control via hand gestures – is still dawning on me. All sorts of complicated to control “move-y thingies” could benefit from this.Kudos to ... | 1,760,372,089.283779 | ||
https://hackaday.com/2023/11/29/chromiumiii-telluride-as-ferromagnetic-material-with-tunable-anomalous-hall-effect/ | Chromium(III) Telluride As Ferromagnetic Material With Tunable Anomalous Hall Effect | Maya Posch | [
"Science"
] | [
"anomalous hall effect",
"Berry phase",
"ferromagnetic",
"hall effect",
"spintronics"
] | Chromium(III) Telluride (Cr
2
Te
3
) is an interesting material for (ferro)magnetic applications, with Yao Wen and colleagues
reporting
in a 2020
Nano Letters
paper that they confirmed it to show spontaneous magnetization at a thickness of less than fifty nanometers, at room temperature. Such a 2D ferromagnet could be ... | 7 | 4 | [
{
"comment_id": "6703481",
"author": "Carl Foxmarten",
"timestamp": "2023-11-30T07:50:49",
"content": "…Are we back to bubble memory again?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6703714",
"author": "Paul d'Aoust",
"timestamp": "2023-... | 1,760,372,089.326792 | ||
https://hackaday.com/2023/12/01/robot-pianist-runs-on-arduino-nano/ | Robot Pianist Runs On Arduino Nano | Lewin Day | [
"Musical Hacks"
] | [
"arduino",
"arduino nano",
"music",
"piano"
] | The piano has been around for a long time now. Not long after its invention, humans started contemplating how they could avoid playing it by getting a machine to do the job instead. [vicenzobit] is the latest to take on this task, building a “Robot Pianista”
that uses a simple mechanism to play a tune under electronic ... | 7 | 5 | [
{
"comment_id": "6704158",
"author": "Hirudinea",
"timestamp": "2023-12-02T00:59:22",
"content": "I misread the title and thought it was going to be a more “spicy” hack.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6704206",
"author": "EvilDuck",
... | 1,760,372,089.370149 | ||
https://hackaday.com/2023/12/01/radio-emissions-over-sunspots-challenge-models-of-stellar-magnetism/ | Radio Emissions Over Sunspots Challenge Models Of Stellar Magnetism | Donald Papp | [
"Science",
"Space"
] | [
"astronomy",
"astrophysics",
"aurora",
"radio",
"solar"
] | Sustained radio emissions originating from high over a sunspot are
getting researchers thinking in new directions
. Unlike solar radio bursts — which typically last only minutes or hours — these have persisted for over a week. They resemble auroral radio emissions observed in planetary magnetospheres and some stars, bu... | 1 | 1 | [
{
"comment_id": "6704101",
"author": "CRJEEA",
"timestamp": "2023-12-01T21:08:41",
"content": "This kind of reminds me of a homopolar motor.Instead of a plasma tornado, it’s a generator, pumping out rf like a magnetron.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,089.489315 | ||
https://hackaday.com/2023/12/01/wine-is-for-windows-and-darling-is-for-macos/ | Wine Is For Windows And Darling Is For MacOS | Lewin Day | [
"Mac Hacks",
"Software Hacks"
] | [
"darling",
"linux",
"windows subsystem for Linux",
"wine",
"wsl"
] | Wine has become a highly optimized and useful piece of software for those that live in Linux, but occasionally need to walk on the Windows side. In case you’d wondered, there’s a similar tool for when you need to run a MacOS program in your Linux environment.
Enter Darling, the translation layer you’ve needed all along... | 44 | 11 | [
{
"comment_id": "6704060",
"author": "Olivier",
"timestamp": "2023-12-01T19:46:36",
"content": "Never really considered this, i always assumed OSX and Linux were close enough that this wasn’t really an issue and releasing software for both is easy enough (or at least much easier compared to win+osx)... | 1,760,372,090.360343 | ||
https://hackaday.com/2023/12/01/the-sunspots-are-coming-again/ | The Sunspots Are Coming (Again) | Jenny List | [
"Current Events",
"Featured",
"Slider",
"Space"
] | [
"Solar Cycle",
"sun",
"sunspots"
] | There are a bunch of ways to estimate the age of a radio amateur, by the letters in their callsign, by their preferred choice of homebrewing technology, or sometimes by their operating style. One that perhaps doesn’t immediately come to mind is to count how many solar cycles they remember, and since the current cycle 2... | 5 | 4 | [
{
"comment_id": "6704085",
"author": "rnjacobs",
"timestamp": "2023-12-01T20:31:12",
"content": "Link directly to the sunspot “archipelago” from NOAA:https://services.swpc.noaa.gov/images/animations/suvi/primary/195/latest.png",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,089.642676 | ||
https://hackaday.com/2023/12/01/hackaday-podcast-episode-246-bypassing-fingerprint-readers-is-easy-killing-memory-chips-is-hard-cell-phones-vs-sperm/ | Hackaday Podcast Episode 246: Bypassing Fingerprint Readers Is Easy, Killing Memory Chips Is Hard, Cell Phones Vs Sperm | Dan Maloney | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | It’s the week after Thanksgiving (for some of us) and if you’re sick of leftovers, you’re in luck as Elliot and Dan get together to discuss the freshest and best inter-holiday hacks. We’ll cue up the “Mission: Impossible” theme for a self-destructing flash drive with a surprising sense of self-preservation, listen in o... | 0 | 0 | [] | 1,760,372,089.596118 | ||
https://hackaday.com/2023/12/01/bulked-up-mhd-drive-makes-waves-while-standing-still/ | Bulked Up MHD Drive Makes Waves While Standing Still | Tom Nardi | [
"Transportation Hacks"
] | [
"Magnetohydrodynamic",
"MHD",
"Plasma Channel"
] | Looking back through the archives, we actually haven’t seen much in the way of homebrew magnetohydrodynamic drives (MHDs) — which is somewhat surprising, as the core concept isn’t nearly as complicated as its syllable-laden name might indicate. You can see results with little more than a magnet, a couple of electrodes,... | 35 | 8 | [
{
"comment_id": "6703993",
"author": "cliff claven",
"timestamp": "2023-12-01T16:56:18",
"content": "Interesting design. I like it. I will note that 361 stainless is 16-18% chromium, so as electrolysis occurs, chromium will end up in the water. The oxidation state and what other reactions that may o... | 1,760,372,089.793253 | ||
https://hackaday.com/2023/12/01/this-week-in-security-owncloud-nxp-0-days-and-fingerprints/ | This Week In Security: Owncloud, NXP, 0-Days, And Fingerprints | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"0-day",
"bluetooth",
"owncloud"
] | We’re back! And while the column took a week off for Thanksgiving, the security world didn’t. The most pressing news is
an issue in Owncloud, that is already under active exploitation
.
The problem is a library that can be convinced to call
phpinfo()
and include the results in the page response. That function reveals a... | 18 | 6 | [
{
"comment_id": "6703935",
"author": "Maave",
"timestamp": "2023-12-01T15:21:25",
"content": "Fortunately the OwnCloud vulns don’t seem to affect the NextCloud fork",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6703950",
"author": "TechnoMage",
... | 1,760,372,089.853134 | ||
https://hackaday.com/2023/11/29/converting-bluetooth-sensors-to-zigbee/ | Converting Bluetooth Sensors To Zigbee | Bryan Cockfield | [
"Wireless Hacks"
] | [
"bluetooth",
"firmware",
"humidity",
"LYWSD03MMC",
"sensor",
"temperature",
"update",
"xiaomi",
"zigbee"
] | With the increase in popularity of Internet of Things (IoT) devices and their need to communicate wirelessly, there’s been a corresponding explosion of wireless protocols to chose from. Of course there’s Wi-Fi and Bluetooth, but for more specialized applications there are some other options like Z-Wave, LoRa, Sigfox, ... | 19 | 11 | [
{
"comment_id": "6703389",
"author": "Travis",
"timestamp": "2023-11-30T00:05:42",
"content": "Remember when Wink promised one hub to rule them all? Curse you Sar….errrrr Will.i.am",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6703410",
"author": "Grawp",... | 1,760,372,090.158091 | ||
https://hackaday.com/2023/11/29/arbitrary-wave-generator-for-the-raspberry-pi-pico/ | Arbitrary Wave Generator For The Raspberry Pi Pico | Lewin Day | [
"Tool Hacks"
] | [
"function generator",
"Raspberry Pi Pico"
] | Once upon a time, if you wanted to generate some waveforms, you needed to buy an expensive off-the-shelf function generator or whip up a big pile of analog electronics. Not so today, when you can grab a fast microcontroller off the shelf and have it squirt out whatever fancy waves you might desire.
That’s just what [rg... | 6 | 4 | [
{
"comment_id": "6703362",
"author": "Tadpole",
"timestamp": "2023-11-29T22:58:12",
"content": "Now THIS is a cool project. I would like to express my thanks to the author and of course the person who did all the leg work on this. Well done!",
"parent_id": null,
"depth": 1,
"replies": []... | 1,760,372,089.98823 | ||
https://hackaday.com/2023/11/29/monitoring-energy-use-and-saving-money/ | Monitoring Energy Use And Saving Money | Bryan Cockfield | [
"green hacks",
"Microcontrollers"
] | [
"clock",
"electricity",
"energy",
"energy monitor",
"Kilowatt hour",
"smart grid",
"smart meter"
] | On the surface, the electric grid might seem like a solved piece of infrastructure. But there’s actually been a large amount of computerized modernization going in the background for the past decade or so. At a large scale this means automatic control of the grid, but for some electric utility customers like [Alex] thi... | 23 | 6 | [
{
"comment_id": "6703300",
"author": "rclark",
"timestamp": "2023-11-29T19:50:53",
"content": "Price for electricity here same night or day. The bill shows me how much I’ve used. Same with NG. Simple.Neat project for the use case though :) .",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,372,090.218221 | ||
https://hackaday.com/2023/11/29/scope-gui-made-easier/ | Scope GUI Made Easier | Al Williams | [
"Hackaday Columns",
"Skills",
"Slider",
"Software Development"
] | [
"python",
"pyvisa",
"rigol",
"scpi",
"tkinter",
"visa"
] | Last time, I assembled a
Python object representing a Rigol oscilloscope
. Manipulating the object communicates with the scope over the network. But my original goal was to build a little GUI window to sit next to the scope’s web interface. Had I stuck with C++ or even C, I would probably have just defaulted to Qt or m... | 14 | 9 | [
{
"comment_id": "6703290",
"author": "paulvdh",
"timestamp": "2023-11-29T19:19:03",
"content": "Have you thought about writing it as an interface (library) between SCPI and a project like OpenHantek?I like to see collaboration between different project and extension of capabilities. But often people... | 1,760,372,089.946149 | ||
https://hackaday.com/2023/11/29/ct-scanner-reveals-the-difference-between-real-and-fake-airpods/ | CT Scanner Reveals The Difference Between Real And Fake AirPods | Lewin Day | [
"digital audio hacks"
] | [
"Airpods",
"CT Scan"
] | These days, you have to be careful what you buy. Counterfeit hardware is everywhere, especially when you’re purchasing things sight unseen over the Internet. [Jon Bruner] recently set out to look at a bunch of fake AirPod clones,
and found that the similarities between the imposters and the real thing are only skin dee... | 20 | 8 | [
{
"comment_id": "6703257",
"author": "Daniel",
"timestamp": "2023-11-29T17:28:43",
"content": "How much money can I save by buying a working AirPods clone?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6703273",
"author": "paulvdh",
"timesta... | 1,760,372,090.275583 | ||
https://hackaday.com/2023/11/29/ejector-seats-the-rocket-chairs-that-save-lives/ | Ejector Seats: The Rocket Chairs That Save Lives | Lewin Day | [
"Engineering",
"Featured",
"Slider"
] | [
"aircraft",
"ejector seat",
"safety"
] | Once upon a time, escaping an aircraft was a tricky business. You had to unstrap yourself, fling open a heavy glass canopy, and try to wrench yourself out of a small opening without getting smacked by the tail or chopped up by the propeller. Many pilots failed this difficult task, to the tragic loss of their lives.
Eve... | 36 | 17 | [
{
"comment_id": "6703217",
"author": "Mike",
"timestamp": "2023-11-29T15:44:17",
"content": "Worthwhile readinghttps://www.amazon.co.uk/Eject-John-Nichol/dp/139850940X/ref=asc_df_139850940X/?tag=googshopuk-21&linkCode=df0&hvadid=641694124023&hvpos=&hvnetw=g&hvrand=15259699534667874662&hvpone=&hvptwo... | 1,760,372,090.66539 | ||
https://hackaday.com/2023/11/29/iowa-demolishes-its-first-3d-printed-house/ | Iowa Demolishes Its First 3D Printed House | Kristina Panos | [
"home hacks",
"News"
] | [
"3d printed house",
"3d printing"
] | It sounds like a headline from the future: the weekend before Thanksgiving,
a bulldozer came for the first example of a printed home
that was supposed to help the housing crisis in the city of Muscatine. Fortunately, it hadn’t been completed and sold yet.
Printing of this first house began in May 2023, and nine more we... | 130 | 28 | [
{
"comment_id": "6703156",
"author": "Zoe Nagy",
"timestamp": "2023-11-29T12:03:14",
"content": "not cheaper than wood, nor brick, nor it’s insulated.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6703159",
"author": "Andy Pugh",
"timestamp"... | 1,760,372,090.540777 | ||
https://hackaday.com/2023/11/29/resurrecting-a-bricked-wii-u-with-a-raspberry-pi-pico/ | Resurrecting A Bricked Wii U With A Raspberry Pi Pico | Lewin Day | [
"Nintendo Hacks",
"Repair Hacks"
] | [
"nintendo",
"Wii U"
] | There are reports that some Nintendo Wii U systems out in the wild are falling victim to mysterious failures. As is so often the case, certain error codes have been found in common across failed units out in the community, and
[Voultar] decided to investigate
to see if he could fix this problem with a little hacking.
[... | 7 | 6 | [
{
"comment_id": "6703160",
"author": "70sJukebox",
"timestamp": "2023-11-29T12:27:19",
"content": "I subscribe to Voultars channel, he has some really good soldering tips and techniques",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6703357",
"author... | 1,760,372,090.582568 | ||
https://hackaday.com/2023/11/28/noise-cancelling-isnt-as-easy-as-youd-think/ | Noise Cancelling Isn’t As Easy As You’d Think | Jenny List | [
"digital audio hacks"
] | [
"headphone",
"microphone",
"noise canceling"
] | On the face of it, producing a set of noise cancelling headphones should be a relatively straightforward project. But as [Pete Lewis] found out,
things are not always as they seem
. The result is a deep dive into microphone specifications, through which most of us could probably learn something.
Noise cancelling headph... | 14 | 6 | [
{
"comment_id": "6703066",
"author": "TechnoSwiss",
"timestamp": "2023-11-29T06:43:02",
"content": "Scratching head… I don’t see anything in this article about doing noise canceling with anti-phase, it looks like he’s using standard noise isolation headphones (ear muffs) and passing through external... | 1,760,372,090.717249 | ||
https://hackaday.com/2023/11/28/bbc-basic-is-back-in-a-big-way/ | BBC Basic Is Back In A Big Way | Lewin Day | [
"Misc Hacks"
] | [
"bbc",
"bbc basic",
"BBC Micro"
] | The BBC has a long history of teaching the world about computers. The broadcaster’s name was proudly displayed on the BBC Micro, and BBC Basic was the programming language developed especially for that computer. Now,
BBC Basic is back and running on a whole mess of modern platforms.
BBC Basic for SDL 2.0 will run on Wi... | 77 | 14 | [
{
"comment_id": "6703023",
"author": "Adam",
"timestamp": "2023-11-29T03:52:20",
"content": "A long time ago, I found a guy on the net who said he wrote one of the 1st, if not the 1st game of Go program. It was in BBC Basic, and he only had a print-out that he had scanned. So I downloaded it, and ty... | 1,760,372,090.992872 | ||
https://hackaday.com/2023/11/28/g-code-goes-binary-with-proposed-new-format/ | G-code Goes Binary With Proposed New Format | Donald Papp | [
"3d Printer hacks"
] | [
"3D Printering",
"3d printing",
"binary",
"compression",
"encoding",
"g-code",
"PrusaSlicer"
] | G-code is effective, easily edited, and nearly ubiquitous when it comes to anything CNC. The format has many strengths, but space efficiency isn’t one of them. In fact, when it comes to 3D printing in particular file sizes can get awfully large. Partly to address this, Prusa have proposed a new
.bgcode
binary G-code fo... | 66 | 17 | [
{
"comment_id": "6702965",
"author": "Andrew",
"timestamp": "2023-11-29T00:22:24",
"content": "No thanks. Why not just compress it on the fly using current techniques?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6702976",
"author": "Sazo",
... | 1,760,372,090.822295 | ||
https://hackaday.com/2023/11/28/capacitive-rainmeter-measures-the-sky-water-just-fine/ | Capacitive Rainmeter Measures The Sky Water Just Fine | Lewin Day | [
"Arduino Hacks"
] | [
"capacitive sensor",
"ESP32",
"Rain sensor",
"sensor"
] | If you’ve got a smart home, or you just want to know how soaked your garden is getting in the winter, you might want to measure rainfall. There are a bunch of ways to go about it, and this capacitive rainmeter solution from
[Magnus Thome] might just be the perfect solution you’re looking for.
Like many who came before,... | 15 | 5 | [
{
"comment_id": "6703111",
"author": "Ewald",
"timestamp": "2023-11-29T08:53:18",
"content": "Interesting way to measure rain intensity, but having the sensor heared to 45 degrees 24×7 seems like an energy inefficient way to get this info.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,091.157265 | ||
https://hackaday.com/2023/11/28/led-ring-brings-the-bling/ | LED Ring Brings The Bling | Kristina Panos | [
"LED Hacks",
"Wearable Hacks"
] | [
"coin cell",
"leds",
"ring",
"SMD LED"
] | We’ve seen our share of light-up jewelry over the years, but for some reason — probably power — it’s almost always earrings or necklaces. So when we saw
[ROBO HUB]’s LED ring
, we had to check it out. It involves a bit of behind-the-scenes action in the form of a battery holder that you palm, but the end effect is quit... | 10 | 4 | [
{
"comment_id": "6702912",
"author": "Walrus",
"timestamp": "2023-11-28T20:56:43",
"content": "Why wouldn’t you just put the LED on a cheap flex PCB from china, this is so bulky it looks like you’ll have dents in the adjacent fingers after a few minutes",
"parent_id": null,
"depth": 1,
"... | 1,760,372,090.875596 | ||
https://hackaday.com/2023/11/28/a-flasher-mac-25-years-later/ | A Flasher Mac, 25 Years Later | Jenny List | [
"Mac Hacks",
"Retrocomputing"
] | [
"apple",
"Apple mac",
"rom"
] | Apple Macintosh computers of the 1990s came with a system ROM containing an Open Firmware implementation and the Mac Toolbox required to start the operating system. In many cases this was on a SIMM-like daughter board, and it would have been a true ROM that was unable to be reprogrammed. This is not the end of the stor... | 6 | 4 | [
{
"comment_id": "6702817",
"author": "craig",
"timestamp": "2023-11-28T16:43:38",
"content": "A lot of this is well out of my depth but boy this is crystal clear writing. Seriously this is an example of really good technical writing. Punchy and concise topic sentence, clear and logical narrative.",... | 1,760,372,091.197665 | ||
https://hackaday.com/2023/11/27/easily-bypass-laptop-fingerprint-sensors-and-windows-hello/ | Easily Bypass Laptop Fingerprint Sensors And Windows Hello | Maya Posch | [
"Security Hacks"
] | [
"biometrics",
"fingerprint security",
"fingerprint sensor"
] | The fun part of security audits is that everybody knows that they’re a good thing, and also that they’re rarely performed prior to another range of products being shoved into the market. This would definitely seem to be the case with fingerprint sensors as found on a range of laptops that are advertised as being compat... | 30 | 12 | [
{
"comment_id": "6702509",
"author": "CityZen",
"timestamp": "2023-11-27T20:21:27",
"content": "What happened to Hackaday Links this week? Taking a week off?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6702580",
"author": "The Commenter Formerly ... | 1,760,372,091.316973 | ||
https://hackaday.com/2023/11/27/car-t-cell-immunotherapy-and-the-quiet-hope-for-a-universal-cancer-treatment/ | CAR T Cell Immunotherapy And The Quiet Hope For A Universal Cancer Treatment | Maya Posch | [
"Hackaday Columns",
"Science",
"Slider"
] | [
"cancer",
"CAR t-cell therapy",
"immunotherapy",
"t-cell"
] | All of us have to deal with the looming threat of developing cancer during our lifetime, no matter how good our genetics are, or how healthy our lifestyle is. Despite major improvements to the way that we treat and even cure cases of cancer, the reality today is that not all types of cancer are treatable, in many cases... | 1 | 1 | [
{
"comment_id": "6704148",
"author": "Patrick",
"timestamp": "2023-12-01T23:54:59",
"content": "Absolutely fascinating info. I’d read about this treatment a few years ago but didn’t grasp some of the finer points like the different T-cell states. This seems like such a promising line of inquiry that... | 1,760,372,091.24532 | ||
https://hackaday.com/2023/11/27/could-north-koreas-new-satellite-have-spied-on-guam-so-easily/ | Could North Korea’s New Satellite Have Spied On Guam So Easily? | Jenny List | [
"Space"
] | [
"Malligyong-1",
"North Korea",
"spy satellite"
] | Earlier this week, another nation joined the still relatively exclusive club of those which possess a satellite launch capability. North Korea launched their Malligyong-1 spy satellite, and though it has naturally inflamed the complex web of political and military tensions surrounding the Korean peninsula, it still rep... | 29 | 17 | [
{
"comment_id": "6702444",
"author": "Dave",
"timestamp": "2023-11-27T17:21:03",
"content": "Good analysis. The speed of the press releases is certainly suspect, but the DPRK has the intelligence to craft the “proof” as needed. Previous failure to obtain orbit was merely announced as success.",
... | 1,760,372,091.377341 | ||
https://hackaday.com/2023/11/27/how-do-you-prove-an-ai-didnt-make-your-art/ | How Do You Prove An AI Didn’t Make Your Art? | Lewin Day | [
"Art",
"Artificial Intelligence",
"Current Events",
"Featured",
"Slider"
] | [
"ai",
"ai image generator",
"art",
"DALL-E",
"digital art",
"image generator"
] | In the world of digital art, distinguishing between AI-generated and human-made creations has become a significant challenge. Almost overnight, tool sets for generating AI artworks became commonly available to the public, and suddenly, every digital art competition had to contend with potential submissions. Some have w... | 92 | 31 | [
{
"comment_id": "6702368",
"author": "Clancydaenlightened",
"timestamp": "2023-11-27T15:07:35",
"content": "Use an ai to check for aiCall it Ainception",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6702369",
"author": "Clancydaenlightened",
... | 1,760,372,092.65196 | ||
https://hackaday.com/2023/11/27/voice-over-lte-the-reason-why-your-phone-may-soon-stop-working/ | Voice-Over-LTE: The Reason Why Your Phone May Soon Stop Working | Maya Posch | [
"News"
] | [
"4g",
"cellular phone",
"LTE"
] | Although wireless standards like 3G, 4G, and 5G are mostly associated with mobile internet, they also include a phone (voice) component. Up till 4G this was done using traditional circuit-switched telephony service, but with this fourth generation the entire standard instead moved to a packet-switched version akin to V... | 45 | 13 | [
{
"comment_id": "6702331",
"author": "Ostracus",
"timestamp": "2023-11-27T12:16:16",
"content": "VoLTE/VoNR.https://commsbrief.com/volte-in-5g-is-volte-used-in-5g-new-radio-nr-networks/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6702335",
"author": "96... | 1,760,372,091.726531 | ||
https://hackaday.com/2023/11/27/tiny-speaker-busts-past-sound-limits-with-ultrasound/ | Tiny Speaker Busts Past Sound Limits With Ultrasound | Donald Papp | [
"Parts"
] | [
"cypress",
"MEMS",
"ultrasonic",
"ultrasound"
] | Conventional speakers work by moving air around to create sound, but
tiny speakers that use ultrasonic frequencies to create pressure
and generate sound opens some new doors, especially in terms of maximum achievable volume.
A new design boasts being the first 140 dB, full-range MEMS speaker. But that kind of volume po... | 15 | 8 | [
{
"comment_id": "6702304",
"author": "Drone",
"timestamp": "2023-11-27T09:58:26",
"content": "This has been around for years. Promising – but promising does not equal reality. You must remember, quality sound requires pre-distortion digital signal processing linearization and physical transducers ca... | 1,760,372,091.432046 | ||
https://hackaday.com/2023/11/26/3d-printing-a-nifty-sphere-without-supports/ | 3D Printing A Nifty Sphere Without Supports | Donald Papp | [
"3d Printer hacks"
] | [
"FDM",
"filament",
"ornament",
"sphere",
"vase mode"
] | [DaveMakesStuff] demonstrates a great technique for 3D printing a sphere; a troublesome shape for filament-based printers to handle. As a bonus, it uses a minimum of filament. His ideas can be applied to your own designs, but his
Giant Spiralized Sphere
would also just happen to make a fine ornament this holiday season... | 6 | 3 | [
{
"comment_id": "6702306",
"author": "Drone",
"timestamp": "2023-11-27T10:16:09",
"content": "3D print a microwave Luneburg Lens:* Luneburg Lens – Wikipediahttps://en.wikipedia.org/wiki/Luneburg_lens",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6702381",
... | 1,760,372,091.770975 | ||
https://hackaday.com/2023/11/26/robot-goes-to-summer-camp/ | Robot Goes To Summer Camp | Al Williams | [
"Robots Hacks"
] | [
"robot"
] | There are a lot of hobby and educational robots that have a similar form factor: a low, wide body with either wheels or tracks for locomotion. When [Alexander Kirilov] wanted to teach a summer robot camp, he looked at several different commercial offerings and found all of them somewhat lacking. His wish list was a nea... | 3 | 1 | [
{
"comment_id": "6702621",
"author": "RPM",
"timestamp": "2023-11-28T03:19:24",
"content": "Cool story bro, but there are literally thousands of neat looking compact robots that are easy to extend with various sensors that work with Python… a search for “robot python” on Amazon will get you many ch... | 1,760,372,091.641961 | ||
https://hackaday.com/2023/11/26/come-for-the-pcb-holder-stay-for-the-tour-of-freecad/ | Come For The PCB Holder, Stay For The Tour Of FreeCAD | Donald Papp | [
"Tool Hacks"
] | [
"3d printed",
"freecad",
"PCB holder"
] | PCB holders are great tools. Not only is the
PCB Solder Fren
from [PistonPin] a nice DIY design, it offers some insight into the parts design process with
FreeCAD
.
This design nicely demonstrates FreeCAD’s workflow for designing parts.
The PCB holder uses 3D-printed parts, M5 hardware, a length of 2020 aluminum extrus... | 10 | 4 | [
{
"comment_id": "6702315",
"author": "H Hack",
"timestamp": "2023-11-27T11:06:04",
"content": "For people interested in learning FreeCAD from scratch, have a look at MangoJelly’s beginning playlist:https://www.youtube.com/watch?v=NXN7TOg3kj4&list=PLWuyJLVUNtc0UszswD0oD5q4VeWTrK7JCHe’s created wast a... | 1,760,372,091.825426 | ||
https://hackaday.com/2023/11/26/airlooms-whacky-wind-clothesline-turbine-idea/ | Airloom’s Whacky Wind Clothesline Turbine Idea | Maya Posch | [
"green hacks"
] | [
"Robert Murray-Smith",
"Wind turbine"
] | What if you don’t put airfoils on a central, spinning axis, but instead have them careen around a circular track? If you’re a company called
Airloom
, you’d say that it’s a very cheap, very efficient and highly desirable way to install wind-based generators that can do away with those unsightly and massive 100+ meter t... | 53 | 23 | [
{
"comment_id": "6702167",
"author": "Lr0dy",
"timestamp": "2023-11-26T21:09:03",
"content": "Perhaps Airloom has magnets mounted in each of the sail panels, and there are coils in the track.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6702191",
"... | 1,760,372,092.886545 | ||
https://hackaday.com/2023/11/26/retrotechtacular-studio-camera-operation-the-bbc-way/ | Retrotechtacular: Studio Camera Operation, The BBC Way | Dan Maloney | [
"Retrotechtacular"
] | [
"bbc",
"camera",
"focus",
"operator",
"pedestal",
"photography",
"retrotechtacular",
"studio",
"tv",
"video",
"zoom"
] | If you ever thought that being a television camera operator was a simple job,
this BBC training film on studio camera operations
will quickly disabuse you of that notion.
The first thing that strikes you upon watching this 1982 gem is just how physical a job it is to stand behind a studio camera. Part of the physicalit... | 11 | 8 | [
{
"comment_id": "6702130",
"author": "DaveH",
"timestamp": "2023-11-26T18:57:23",
"content": "A great example of this is the Propellerheads video for History Repeating.Shot in glorious monochrome with vintage BBC cameras.https://youtu.be/yzLT6_TQmq8",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,091.911496 | ||
https://hackaday.com/2023/11/26/walking-desk-is-more-annoying-than-a-standing-desk/ | Walking Desk Is More Annoying Than A Standing Desk | Lewin Day | [
"Misc Hacks"
] | [
"desk",
"hoverboard"
] | We’re often told that sitting is bad for our backs, for our necks, and even our general health. The standing desk aims to solve this by keeping us in a more vertical position while we work. [Joel Creates] took this a step further
by creating a walking desk that’s motorized and keeps him on the move.
[Joel’s] build star... | 34 | 15 | [
{
"comment_id": "6702061",
"author": "Bennybender",
"timestamp": "2023-11-26T15:20:05",
"content": "Probably easier to setup a threadmill underneat the desk.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6702078",
"author": "Joseph Eoff",
"t... | 1,760,372,092.08441 | ||
https://hackaday.com/2023/11/26/in-new-doctors-office-stethoscope-wears-you/ | In New Doctor’s Office, Stethoscope Wears You | Al Williams | [
"Medical Hacks",
"Wearable Hacks"
] | [
"stethoscope"
] | The medical professional wearing a stethoscope is a familiar image, but Northwestern University wants to change that. Instead of someone hanging an ancient device around their neck to listen inside of you, they want to put
sticky sensors on patients to continuously monitor
sounds from hearts, lungs, and the GI tract.
T... | 28 | 12 | [
{
"comment_id": "6702029",
"author": "shinsukke",
"timestamp": "2023-11-26T12:09:12",
"content": "Considering how many doctors trust mercury based BP instruments more than the convenient electronic ones, I trust the general public will be able to reap this technology’s benefits very soon!2100s soon.... | 1,760,372,092.153885 | ||
https://hackaday.com/2023/11/26/the-slow-march-of-sodium-ion-batteries-to-compete-with-lithium-ion/ | The Slow March Of Sodium-Ion Batteries To Compete With Lithium-Ion | Maya Posch | [
"Battery Hacks",
"chemistry hacks",
"News",
"Science"
] | [
"sodium-ion"
] | The process of creating new battery chemistries that work better than existing types is a slow and arduous one. Not only does it know more failures than successes, it’s rare that a once successful type gets completely phased out, which is why today we’re using lead-acid, NiMH, alkaline, lithium, zinc-air, lithium-ion a... | 56 | 13 | [
{
"comment_id": "6702040",
"author": "f__",
"timestamp": "2023-11-26T13:16:38",
"content": "Sodium-ion batteries, while not able to solve all our problems, will still solve a large number of them. You’re already able to get your hands on some in smallish (18650) form factors (although they are still... | 1,760,372,092.256273 | ||
https://hackaday.com/2023/11/28/mobile-phones-and-the-question-of-declining-sperm-quality/ | Mobile Phones And The Question Of Declining Sperm Quality | Lewin Day | [
"Current Events",
"Featured",
"Medical Hacks",
"Original Art",
"Slider"
] | [
"cellphone",
"cellular phone",
"mobile phone",
"non-ionizing radiation",
"radiation",
"semen",
"sperm count"
] | In a world increasingly reliant on technology, a pressing question arises: can our dependence on gadgets, particularly mobile phones, be affecting our health in unexpected ways? A growing body of research is now pointing towards a startling trend – declining sperm quality in the human population – with mobile phones em... | 105 | 25 | [
{
"comment_id": "6702783",
"author": "Joseph Eoff",
"timestamp": "2023-11-28T15:26:47",
"content": "“The researchers found that higher frequencies of phone use (over 20 times per day)”Well, I’m fine, then. I only use my phone three times a day:From breakfast to lunchtime, from lunchtime to supperti... | 1,760,372,092.499074 | ||
https://hackaday.com/2023/11/28/bowling-with-strings-attached-the-people-are-split/ | Bowling With Strings Attached: The People Are Split | Kristina Panos | [
"Games",
"News"
] | [
"bowling",
"bowling alley",
"bowling pin",
"controversy",
"pin resetter'",
"pinsetter",
"string"
] | There’s a bowling revolution in play, and not all bowlers are willing participants. In fact, a few are on strike, and it’s all because
bowling alleys across America are getting rid of traditional pinsetting machines in favor of a string-based system
.
In hindsight, it seems obvious to this American: attach strings to t... | 52 | 23 | [
{
"comment_id": "6702727",
"author": "William C Bonner",
"timestamp": "2023-11-28T12:53:58",
"content": "I saw strings on pins for the first time in the past year. I didn’t like them.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6702919",
"author":... | 1,760,372,095.03189 | ||
https://hackaday.com/2023/11/28/a-48-volt-battery-pack-with-carefully-balanced-cells/ | A 48 Volt Battery Pack With Carefully Balanced Cells | Jenny List | [
"Battery Hacks"
] | [
"battery pack",
"cell balancing",
"Li-ion"
] | Many readers will have at some time or another built their own lithium-ion battery packs, whether they are using tiny cells or the huge ones found in automotive packs. A popular choice it to salvage ubiquitous 18650 cylindrical cells,
as [limpkin] has with this 48 volt pack
. It’s based around an off-the-shelf kit aime... | 60 | 12 | [
{
"comment_id": "6702665",
"author": "Joshua",
"timestamp": "2023-11-28T09:35:02",
"content": "Um, why not just use 4x 12v lead-gel batteries?So many cells are a big factor of uncertainty, I think.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6702672",
... | 1,760,372,094.738504 | ||
https://hackaday.com/2023/11/27/tektronixs-ceramic-crt-production-and-the-building-13-catacombs/ | Tektronix’s Ceramic CRT Production And The Building 13 Catacombs | Maya Posch | [
"History"
] | [
"ceramics",
"tektronix"
] | As a manufacturer of test equipment and more, Tektronix has long had a need for custom form factors
with its CRT displays
. They initially went with fully glass CRTs as this was what the booming television industry was also using, but as demand for the glass component of CRTs increased, so did the delays in getting the... | 17 | 6 | [
{
"comment_id": "6702687",
"author": "Andy Pugh",
"timestamp": "2023-11-28T10:48:02",
"content": "I wonder if slip-casting would have been cheaper and more expedient for this?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6702745",
"author": "helge"... | 1,760,372,094.552722 | ||
https://hackaday.com/2023/11/27/a-tube-guitar-amp-for-a-modest-budget/ | A Tube Guitar Amp For A Modest Budget | Jenny List | [
"classic hacks",
"Musical Hacks"
] | [
"guitar amp",
"tube amp",
"vacuum tube"
] | There’s a mystique among both audiophiles and musicians about vacuum technology, thus having a tube amp still carries a bit of a cachet. New ones can be bought for eye-watering prices and old ones can be had for the same price with the added frisson of unreliability. Happily it’s surprisingly straightforward to build y... | 17 | 5 | [
{
"comment_id": "6702618",
"author": "Derek Tombrello",
"timestamp": "2023-11-28T03:10:47",
"content": "That looks like something my late dad would’ve built :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6702631",
"author": "Live guitarist (litera... | 1,760,372,094.647818 | ||
https://hackaday.com/2023/11/27/swatch-internet-time-watch-doesnt-miss-a-beat/ | Swatch Internet-Time Clock Doesn’t Miss A Beat | Kristina Panos | [
"clock hacks"
] | [
"beats",
"internet time",
"seeed xiao",
"synchronize Swatches!"
] | The thing about human invention is that occasionally, two or more people think of an idea around the same time, and it’s difficult to determine who was first. Such is the case with Swatch’s Internet time, which is told in something called “.beats”. Rather than using hours and minutes, the solar day in the .beat system ... | 21 | 8 | [
{
"comment_id": "6702588",
"author": "Paul",
"timestamp": "2023-11-28T00:48:38",
"content": "Usefully, a centibeat is just about the standard period of a sedentary person’s heart rate.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6702846",
"author"... | 1,760,372,094.494712 | ||
https://hackaday.com/2023/11/27/single-piece-tank-chassis-goes-robotic/ | Single-piece Tank Chassis Goes Robotic | Donald Papp | [
"3d Printer hacks",
"Robots Hacks"
] | [
"RC. 3d printed",
"servo",
"tank"
] | [EXTREME3DPRINT] has a new version of their print-in-place tank chassis:
the PiPBOT
now accepts drop-in motors (in the form of 360° rotation servos), RC receiver, and battery pack to make a functional RC tank platform in no time flat. The design is entirely 3D printed with no supports needed.
This new version is a paid... | 8 | 4 | [
{
"comment_id": "6702550",
"author": "Jace",
"timestamp": "2023-11-27T21:50:24",
"content": "That’s pretty cool…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6702627",
"author": "Miles",
"timestamp": "2023-11-28T03:49:07",
"content": "Unless I’m ... | 1,760,372,094.441671 | ||
https://hackaday.com/2023/11/25/turbocharge-your-transient-sensors-with-math/ | Turbocharge Your Transient Sensors With Math | Julian Scheffers | [
"Parts"
] | [
"distance measurement",
"research",
"transient sensor"
] | If you’ve made a robot or played around with electronics before, you might have used a time-of-flight laser distance sensor before. More modern ones detect not just the first reflection, but analyze subsequent reflections, or reflections that come in from different angles, to infer even more about what they’re looking ... | 19 | 2 | [
{
"comment_id": "6701758",
"author": "woy_tech",
"timestamp": "2023-11-25T12:04:50",
"content": "I wonder if precision and accuracy of such sensors could be raised to the level that would allow them to be used for 3D printer bed calibration.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,094.789205 | ||
https://hackaday.com/2023/11/24/build-your-own-nanoleaf-like-hex-lights/ | Build Your Own Nanoleaf-Like Hex Lights | Lewin Day | [
"LED Hacks"
] | [
"hexagon",
"led",
"nanoleaf",
"ws2812b"
] | Nanoleaf makes a variety of beautiful LED lighting products, with their hexagon tiles particularly popular with gamers and streamers alike. However, they do come at a significant cost, particularly if you want to put together a larger display. [Giovanni Aggiustatutto] decided to build his own version from scratch,
with... | 11 | 4 | [
{
"comment_id": "6701733",
"author": "Capo",
"timestamp": "2023-11-25T06:52:55",
"content": "Well explained with both video and written instructions and documentation. This is how it should be. Excellent job! Instructables has a very good structure too, why cant hackaday.io imitate it?",
"parent... | 1,760,372,094.596617 | ||
https://hackaday.com/2023/11/24/mystery-signal-are-you-ready-for-your-mystery-signal/ | Mystery Signal! Are You Ready For Your Mystery Signal? | Al Williams | [
"Radio Hacks"
] | [
"radio",
"shortwave",
"swl"
] | Like many people [Dan Greenall] spent a lot of time in the 1970s listening to shortwave radio. While you often think of that as a hobby involving listening to broadcast stations, some people like to listen to other communications such as airliners, ships, military, and even spy stations. These days, if you hear a stran... | 2 | 2 | [
{
"comment_id": "6701762",
"author": "Antron Argaiv",
"timestamp": "2023-11-25T13:09:57",
"content": "They used to have one of those rotatable log periodics at the FAA site off Rt 93 in Nashua NH. My guess is that it was used for contacting transatlantic flights coming into the US. They took it down... | 1,760,372,094.396823 | ||
https://hackaday.com/2023/11/24/quest-3-vr-headset-can-capture-3d-video-some-tampering-required/ | Quest 3 VR Headset Can Capture 3D Video (Some Tampering Required) | Donald Papp | [
"Virtual Reality"
] | [
"3d",
"3d video",
"adb",
"camera",
"Quest",
"record"
] | The Quest 3 VR headset is an impressive piece of hardware. It is also not open; not in the way most of us understand the word. One consequence of this is the inability in general for developers or users to directly access the feed of the two color cameras on the front of the headset. However, [Hugh Hou] shares a method... | 13 | 3 | [
{
"comment_id": "6701732",
"author": "Cyna",
"timestamp": "2023-11-25T06:46:07",
"content": "Irrelevant since Meta bought it. Too bad, with all the work of good people like Carmack.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6701785",
"author": "... | 1,760,372,094.840625 | ||
https://hackaday.com/2023/11/24/a-yamaha-dx7-on-a-usb-dongle/ | A Yamaha DX7 On A USB Dongle | Lewin Day | [
"Musical Hacks"
] | [
"dx7",
"midi",
"raspberry pi",
"usb midi",
"yamaha"
] | The Yamaha DX7 was released in 1983, with its FM synthesis engine completely revolutionizing the electronic music world at the time. It didn’t come cheap, and still doesn’t today, but we are blessed with emulators that can give us the same sound on a budget. In that vein, [Kevin] decided to whip up
a Yamaha DX7 you can... | 24 | 12 | [
{
"comment_id": "6701664",
"author": "Dafydd Roche",
"timestamp": "2023-11-24T22:09:37",
"content": "Man-oh-man… the PCM510x Family of DAC’s continues to deliver on these linux-type boards. I was lucky enough to work with the design team on it (and fought like crazy for features like the PLL to be u... | 1,760,372,095.124767 | ||
https://hackaday.com/2023/11/24/the-other-kind-of-static-hazard-to-your-logic-circuits/ | The Other Kind Of Static Hazard To Your Logic Circuits | Dan Maloney | [
"Misc Hacks"
] | [
"and",
"boolean",
"gate",
"implicant",
"k-table",
"logic",
"NOT",
"OR",
"race condition",
"STATIC",
"Truth table",
"ttl"
] | We’ve all heard of the dangers of static electricity when dealing with electronics, and we all take the proper precautions when working with static-sensitive components — don’t we? But as much as we fear punching an expensive hole in a chip with an errant spark, electrostatic discharge damage
isn’t the only kind of sta... | 21 | 10 | [
{
"comment_id": "6701617",
"author": "AZdave",
"timestamp": "2023-11-24T18:16:22",
"content": "Dealing with potential race conditions in logic circuitry has been around as long as logic circuitry has.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6701644",
... | 1,760,372,095.180139 | ||
https://hackaday.com/2023/11/24/hackaday-podcast-245-the-silver-swan-ets-umbrella-antenna-model-tanks-vs-space-shuttle-tires/ | Hackaday Podcast 245: The Silver Swan, ET’s Umbrella Antenna, Model Tanks Vs Space Shuttle Tires | Tom Nardi | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi link up through the magic of the Internet to go over some of their favorite stories from the last week. After revealing the bone-chilling winners of this year’s Halloween contest, the discussion switches over to old-timey automatons, receiving dee... | 0 | 0 | [] | 1,760,372,095.067435 | ||
https://hackaday.com/2023/11/25/heat-pump-dryer-explained/ | Heat Pump Dryer Explained | Al Williams | [
"home hacks"
] | [
"dryer",
"Heat pump"
] | Historically, having a washer and a dryer in your house requires “a hookup.” You need hot and cold water for the washer as well as a drain for wastewater. For the dryer, you need either gas or — in the US — a special 220 V outlet because the heating elements require a lot of wattage, and doubling the voltage keeps the ... | 98 | 24 | [
{
"comment_id": "6701976",
"author": "Mike",
"timestamp": "2023-11-26T06:34:17",
"content": "“dryer”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6702309",
"author": "Drone",
"timestamp": "2023-11-27T10:38:43",
"content": "https://w... | 1,760,372,095.363159 | ||
https://hackaday.com/2023/11/25/double-dose-of-ai-turns-daily-tasks-into-works-of-art/ | Double-Dose Of AI Turns Daily Tasks Into Works Of Art | Dan Maloney | [
"Machine Learning",
"Misc Hacks"
] | [
"calendar",
"ChatGPT",
"DALL-E",
"e-ink",
"e-paper",
"Midjourney",
"prompt",
"raspberry pi",
"waveshare"
] | Not so long ago, “Magic Mirror” builds were all the rage, and we have to admit getting out daily reminders and newsfeeds on an LCD display sitting behind a partially reflective mirror is not without its charms. But styles ebb and flow, so we don’t see too many of those builds anymore.
This e-ink daily calendar reminder... | 11 | 2 | [
{
"comment_id": "6701948",
"author": "PWalsh",
"timestamp": "2023-11-26T03:37:12",
"content": "I do AI research as a hobby now. I’ve got too much OCD now to use any of the AI generated stuff – I keep seeing the flaws, they jump right out at me.The left rear wheel on the car above, or the position of... | 1,760,372,095.42627 | ||
https://hackaday.com/2023/11/25/what-it-takes-to-make-a-raspberry-pi-killer/ | What It Takes To Make A Raspberry Pi Killer | Jenny List | [
"Raspberry Pi"
] | [
"cm4",
"Pi 4",
"Pi 5"
] | The folks at Raspberry Pi are riding on a bit of a wave at the moment, with the launch of the Pi 5 with its PCIe and RP1 peripheral chip, the huge success of the RP2040 microcontroller, and the supply chain issues that dogged the Pi 4 and Compute Module 4 during and after the pandemic finally working themselves out. Bu... | 60 | 16 | [
{
"comment_id": "6701927",
"author": "LookAtDaShinyShiny",
"timestamp": "2023-11-26T00:32:08",
"content": "so the upshot is… It takes everything that raspberry pi has done in terms of development, hardware peripherals, drivers, support, pricing and community since its release to create a pi ‘killer’... | 1,760,372,095.539571 | ||
https://hackaday.com/2023/11/25/fail-of-the-week-this-flash-drive-will-not-self-destruct-in-five-seconds/ | Fail Of The Week: This Flash Drive Will NOT Self-Destruct In Five Seconds | Dan Maloney | [
"Fail of the Week"
] | [
"data security",
"fail of the week",
"flash drive",
"fotw",
"h-bridge",
"polarity",
"privacy",
"self destruct",
"superacid",
"Thermite",
"voltage doubler"
] | How hard can it be to kill a flash drive? Judging by the look of defeat on [Walker]’s face in
the video below,
pretty darn hard.
To bring you up to speed, and to give the “Mission: Impossible” reference in the title some context, it might be a good idea to look over our earlier coverage of [Walker]’s Ovrdrive project. ... | 49 | 18 | [
{
"comment_id": "6701873",
"author": "Sheff",
"timestamp": "2023-11-25T21:15:23",
"content": "I would think an SD card would be a better route to go.Have that as the flash-drive’s storage and send the over-voltage to that as they are much more fragile.",
"parent_id": null,
"depth": 1,
"r... | 1,760,372,095.627372 | ||
https://hackaday.com/2023/11/25/a-555-can-even-make-your-car-indicator-more-visible/ | A 555 Can Even Make Your Car Indicator More Visible | Lewin Day | [
"car hacks"
] | [
"555",
"car",
"indicator"
] | Modern cars often come with white marker lights or daytime running lights that are on all the time, as a supplement to the primary headlights. The problem is that in some vehicle designs, these additional lights tend to make it harder to see the indicators when they’re on. [nibbler] had this very problem, and decided t... | 42 | 14 | [
{
"comment_id": "6701825",
"author": "Antron Argaiv",
"timestamp": "2023-11-25T18:10:49",
"content": "Great. Now make it work at night, so I can tell whether the car coming at me is going to turn left",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6702157",
... | 1,760,372,095.708496 | ||
https://hackaday.com/2023/11/25/thanks-for-hacking/ | Thanks For Hacking | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"thanks",
"thanksgiving"
] | Hope you’re all having a great Thanksgiving weekend, and are getting your fill of family, food, and maybe even a little bit of fun. Aside from the cranberries, Thanksgiving is probably one of my favorite holidays because of the spirit behind it – thinking about what’s gone well, how you lucked out, and who has done you... | 11 | 10 | [
{
"comment_id": "6701781",
"author": "Machinist-Mage",
"timestamp": "2023-11-25T15:07:13",
"content": "Thank you for reporting our hacks and non-“hacks”!Longtime lurker, really appreciate the content and community",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": ... | 1,760,372,095.757754 | ||
https://hackaday.com/2023/11/25/tesla-is-claimed-to-have-open-sourced-the-roadster/ | Tesla Claims To Have Open Sourced The Roadster | Jenny List | [
"Transportation Hacks"
] | [
"open source",
"tesla",
"Tesla Roadster"
] | In an interesting step for anyone who follows electric car technology, the automaker Tesla has released a trove of information about its first-generation Roadster car into the public domain.
The documents involved
include service manuals, circuit diagrams, and technical details, and Elon Musk himself
Tweeted
posted on ... | 38 | 18 | [
{
"comment_id": "6701759",
"author": "Klaws",
"timestamp": "2023-11-25T12:31:54",
"content": "“Open Source” does *not* mean free (as in freedom), in the public domain or giving you a free (as in beer) license to any related patent or intellectual property.Note that patents are also Open Source “but ... | 1,760,372,095.830984 | ||
https://hackaday.com/2023/11/24/a-toe-tappin-set-of-morse-code-pedals/ | A Toe-Tappin’ Set Of Morse Code Pedals | Kristina Panos | [
"Peripherals Hacks"
] | [
"copper tape",
"morse code",
"Nerf bullets"
] | What’s the worst thing about traditional Morse keyers? If you ask us, it’s the fact that you have to learn how to do two distinct things with one hand, and switch between them quite quickly and often.
This set of Morse code foot pedals
is meant for those who are unable to use traditional methods of keying. It uses a re... | 15 | 6 | [
{
"comment_id": "6701532",
"author": "craig",
"timestamp": "2023-11-24T16:32:59",
"content": "Why use the x and y keys when, you know, dot and dash are available? Also- keying in dots and dashes requires an”keyer” for a radio and involves timing and buffers and stuff. but who types out Morse? Is som... | 1,760,372,095.887685 | ||
https://hackaday.com/2023/11/24/diy-smart-washing-machine-redeisgn/ | DIY Smart Washing Machine Redesign | Al Williams | [
"home hacks"
] | [
"washing machine"
] | [Mellow Labs] wanted a smart washer and built a simple controller. However, he found out after a few weeks it wasn’t working how he wanted. The detergent quit flowing, and he washed clothes with no soap for a week! So, a
redesign
was in order. You can follow the process and the result in the video below.
A bit of 3D pr... | 17 | 6 | [
{
"comment_id": "6701471",
"author": "paul_shallard",
"timestamp": "2023-11-24T11:45:06",
"content": "If you really wanted to do something to improve washing machine design do something about the valves that slam closed every few minutes resulting in pipe damaging “water hammer”",
"parent_id": n... | 1,760,372,095.940231 | ||
https://hackaday.com/2023/11/23/agate-light-twinkles-just-right/ | Agate Light Twinkles Just Right | Kristina Panos | [
"Art",
"green hacks"
] | [
"agate",
"beetles",
"blinkenlights",
"Pine"
] | Mother Nature is often a cruel mistress, but what can you do? You’ve got to make the best of what she gives you.
This lovely little light was born from death
— the death of a pine tree, that is, that was killed by beetles boring large holes inside.
When [Craig Lindley]’s friends gave him some slices of that pine tree, ... | 3 | 2 | [
{
"comment_id": "6701632",
"author": "Lisa",
"timestamp": "2023-11-24T19:18:13",
"content": "Wow, love it & want one😁.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6701646",
"author": "cultrocker",
"timestamp": "2023-11-24T20:30:06",
"content": ... | 1,760,372,096.096895 | ||
https://hackaday.com/2023/11/23/harvard-seti-project-helps-id-mystery-sound/ | Harvard SETI Project Helps ID Mystery Sound | Tom Nardi | [
"Science",
"Space"
] | [
"Harvard University",
"meteor",
"SETI",
"UAP"
] | Last month, thousands of people in New Hampshire took to social media to report an explosion in the sky that was strong enough to rattle windows. Naturally aliens were blamed by some, while cooler heads theorized it may have been a sonic boom from a military aircraft. But without any evidence, who could say?
Luckily fo... | 27 | 10 | [
{
"comment_id": "6701423",
"author": "Rob",
"timestamp": "2023-11-24T03:17:17",
"content": "Absolutely wild! I freaking love science!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6701425",
"author": "K",
"timestamp": "2023-11-24T03:45:21",
"conte... | 1,760,372,096.172096 | ||
https://hackaday.com/2023/11/23/re-inventing-the-single-8-home-movie-format/ | Re-Inventing The Single 8 Home Movie Format | Dave Walker | [
"Art",
"Reverse Engineering",
"Video Hacks"
] | [
"3d printing",
"8mm",
"cine",
"film",
"movie",
"single8"
] | [Jenny List] has been reverse-engineering and redesigning the
Single8 home movie film cartridge
for the modern age, to breathe life into abandoned cine cameras.
One of the frustrating things about working with technologies that have been with us for a while is the proliferation of standards and the way that once-popula... | 22 | 7 | [
{
"comment_id": "6701416",
"author": "Tom",
"timestamp": "2023-11-24T02:19:12",
"content": "Impressive stuff!I find it interesting that we think we have things that are complete. Eg a camera is a device that takes pictures.But what we really have are components in a system. Eg a camera is one compon... | 1,760,372,096.239131 | ||
https://hackaday.com/2023/11/23/analog-wall-calendar-keeps-track-of-the-days-for-you/ | Analog Wall Calendar Keeps Track Of The Days For You | Lewin Day | [
"clock hacks"
] | [
"calendar",
"clock",
"retrograde hands"
] | [ssh16] had seen some fancy wristwatches with retrograde hands. Wanting to do something similar of their own, they set about
creating an analog wall calendar
that displays the date and the day of the week.
The build uses a pair of stepper motors to control the hands, a simple choice for accurate and reliable motion con... | 4 | 4 | [
{
"comment_id": "6701386",
"author": "arifyn",
"timestamp": "2023-11-23T22:33:08",
"content": "Cool build, although the headline gave me the false hope that it would have an analog date-keeping mechanism, not just an analog-presenting display.To be fair, that would be significantly more challenging!... | 1,760,372,096.377117 | ||
https://hackaday.com/2023/11/23/an-automated-watch-cleaner-from-an-older-3d-printer/ | An Automated Watch Cleaner From An Older 3D Printer | Jenny List | [
"3d Printer hacks"
] | [
"3d printer",
"klipper",
"watch cleaner"
] | The many delicate parts in a mechanical wristwatch present a tricky cleaning problem, one that for professionals there is a variety of machines to tackle. As you might expect, such specialty equipment doesn’t come cheap, so
[daveburkeaus] came up with his own solution
, automated using an older 3D printer.
The premise ... | 11 | 4 | [
{
"comment_id": "6701352",
"author": "H Hack",
"timestamp": "2023-11-23T19:23:04",
"content": "This is definitely a hack, I like it! Personally I wouldn’t “waste” an old 3D printer this way but that’s probably because washing watches has no value for me.He might want to add another bearing along the... | 1,760,372,096.333453 | ||
https://hackaday.com/2023/11/23/life-imitates-art-art-13-that-is/ | Life Imitates ART (ART-13, That Is) | Al Williams | [
"Radio Hacks",
"Teardown"
] | [
"boat anchor",
"dynamotor",
"transmitter"
] | [Mr. Carlson] has been restoring vintage military radios, and as part of his quest, he received
an ART-13 transmitter
. Before he opened the shipping box, he turned on the camera, and we get to watch from the very start in the video below. These transmitters were originally made by Collins for the Navy with an Army Air... | 4 | 3 | [
{
"comment_id": "6701380",
"author": "Steven-X",
"timestamp": "2023-11-23T22:12:48",
"content": "Cool. I bought a TCS receiver that was also built by Collins in WW2.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6701400",
"author": "Flairm",
"timestam... | 1,760,372,096.285682 | ||
https://hackaday.com/2023/11/23/sometimes-its-worth-waiting-kodak-finally-release-their-super-8-camera/ | Sometimes It’s Worth Waiting: Kodak Finally Release Their Super 8 Camera | Jenny List | [
"digital cameras hacks"
] | [
"analog film",
"film",
"kodak",
"super 8"
] | Think of all those promised products that looked so good and were eagerly awaited, but never materialized. Have you ever backed a Kickstarter project in the vain hope that one day your novelty 3D printer might appear? Good luck with the wait! But sometimes, just
sometimes
, a product everyone thought was dead and gone ... | 32 | 11 | [
{
"comment_id": "6701268",
"author": "Prfesser",
"timestamp": "2023-11-23T13:12:06",
"content": "“Boutique camera” is a good descriptor. Leave it on the coffee table like one of those huge, colorful-cover books intended to spark conversation but which are never actually read.“Oh, it’s a video camera... | 1,760,372,096.67767 | ||
https://hackaday.com/2023/11/23/drone-motion-capture-the-open-source-way/ | Drone Motion Capture, The Open Source Way | Lewin Day | [
"drone hacks"
] | [
"drone tracking",
"ESP32",
"infrared",
"tracking"
] | If you want to do some really advanced flying with drones, you typically need to be able to track them in space. [Joshua Bird] has whipped up a drone tracking system that can do the job
for as little as $20 with millimeter-scale precision.
The system uses four PS3 Eye cameras which can be had second-hand at a cost of j... | 4 | 3 | [
{
"comment_id": "6701198",
"author": "shaburu",
"timestamp": "2023-11-23T10:08:38",
"content": "Insane work!!SO happy to see undergrads building such amazing tech and going the open source route!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6701238",
"au... | 1,760,372,096.456754 | ||
https://hackaday.com/2023/11/22/a-modernized-metric-clock/ | A Modernized Metric Clock | Bryan Cockfield | [
"clock hacks"
] | [
"clock",
"french",
"french revolution",
"french revolutionary calendar",
"IoT",
"metric",
"nextion",
"particle photon",
"seconds"
] | Much to the chagrin of many living in North America who still need to do things like keep two sets of wrenches on hand, most of the rest of the world has standardized to a simpler measurement system using metric units exclusively. The metric system is widely adopted worldwide, but we still use a base-60 system for time... | 60 | 12 | [
{
"comment_id": "6701155",
"author": "Andrew",
"timestamp": "2023-11-23T06:07:52",
"content": "Mmm… Lobster Thermidor.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6701158",
"author": "KDawg",
"timestamp": "2023-11-23T06:26:41",
"content": "As ro... | 1,760,372,096.776506 | ||
https://hackaday.com/2023/11/22/recreating-the-ibm-thinkpad-case/ | Recreating The IBM Thinkpad Case | Lewin Day | [
"classic hacks",
"computer hacks"
] | [
"laptop",
"thinkpad"
] | Once upon a time, laptops and other computer hardware often came with a fancy leather case for protection. That’s not really the case anymore, but it was in the golden era of the IBM ThinkPad. [polymatt] found a rare example, but wanted another one,
so he decided to try and replicate it from scratch.
Leathercraft was a... | 7 | 3 | [
{
"comment_id": "6701146",
"author": "Severe Tire Damage",
"timestamp": "2023-11-23T04:24:05",
"content": "I have aspirations to learn leatherworking some fine day. My hat is off here on this project. A very nice final result for someone using this as a learning experience.",
"parent_id": null... | 1,760,372,096.499393 | ||
https://hackaday.com/2023/11/22/machining-a-reciprocating-solenoid-engine/ | Machining A Reciprocating Solenoid Engine | Bryan Cockfield | [
"Engine Hacks"
] | [
"cylinder",
"engine",
"engine timing",
"infrared detector",
"infrared emitter",
"reciprocating",
"solenoid engine"
] | The reciprocating engine has been all the rage for at least three centuries. The first widely adopted engine of this type was the steam engine with a piston translating linear motion into rotational motion, but the much more common version today is found in the internal combustion engine. Heat engines aren’t the only w... | 13 | 6 | [
{
"comment_id": "6701138",
"author": "KJ",
"timestamp": "2023-11-23T02:21:05",
"content": "(1) The pistons should be 90 degrees apart, not 180. Then it won’t “get stuck” with both pistons topped / bottomed. (2) Add a neodymium magnet to the end of a bass piston, then you can implement Piston 1 – pus... | 1,760,372,097.182089 | ||
https://hackaday.com/2023/11/22/esp32-used-as-wireless-can-bus-reader/ | ESP32 Used As Wireless CAN Bus Reader | Lewin Day | [
"car hacks"
] | [
"can-bus",
"car",
"obd-ii"
] | The CAN bus, accessible through the OBD-II port, is the channel that holds all the secrets of the modern automobile. If you want to display those for your own perusal, you might consider
this nifty tool from [EQMOD].
Yes, it’s an OBD-II dongle that you can build using an ESP32 WROVER module. It’s designed to read a car... | 34 | 9 | [
{
"comment_id": "6701099",
"author": "Brent",
"timestamp": "2023-11-22T21:07:13",
"content": "As I’ve discovered recently, not all cars with CAN bus expose it over the OBD-II port. My 2024 only leaks a couple of frames when the car starts, then it’s silent, but it can be accessed through a couple of... | 1,760,372,096.923068 | ||
https://hackaday.com/2023/11/21/lipo-replacement-keeps-portable-scanner-in-the-action/ | LiPo Replacement Keeps Portable Scanner In The Action | Dan Maloney | [
"Battery Hacks",
"Repair Hacks"
] | [
"bms",
"boost",
"dc-dc",
"hand held",
"lipo",
"NiCd",
"portable",
"scanner"
] | If there’s anything people hate more than being locked into a printer manufacturer’s replacement cartridges, it’s proprietary batteries. Cordless power tools are the obvious example in this space, but there are other devices that insist on crappy battery packs that are expensive to replace when they eventually die.
One... | 8 | 3 | [
{
"comment_id": "6700689",
"author": "Antron Argaiv",
"timestamp": "2023-11-21T12:28:34",
"content": "NiMH is a good sub for NiCd in most applications. But LiPO is even better!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6700710",
"author": "Joseph Eoff... | 1,760,372,097.122218 | ||
https://hackaday.com/2023/11/21/zork-zcode-interpreters-appear-out-of-nowhere/ | ZorkZcode Interpreters Appear Out Of Nowhere | Julian Scheffers | [
"Retrocomputing",
"Software Hacks"
] | [
"interpreter",
"retro gaming",
"virtual machine",
"zork"
] | Some of our readers may know about
Zork
(and 1, 2, 3), the 1977 text adventure originally written for the PDP-10. The game has been public domain for a while now, but recently,
the interpreters for several classic 1980s machines
have also appeared on the internet.
What’s the difference?
Zork
is not a PDP-10 executable,... | 27 | 13 | [
{
"comment_id": "6700664",
"author": "Kerry Richens",
"timestamp": "2023-11-21T09:43:40",
"content": "I have been looking into the lineage of Dungeons and Drangons-1 “DND1” It has been claimed to be written originally on a PDP11 in BASIC but it looks more like PDP10 . The problem I have is that the ... | 1,760,372,097.442976 | ||
https://hackaday.com/2023/11/20/pi-lomar-puts-an-observatory-in-your-hands/ | Pi-lomar Puts An Observatory In Your Hands | Navarre Bartz | [
"Raspberry Pi",
"Space"
] | [
"amateur astronomy",
"astrophotography",
"observatory",
"Raspberry Pi 4",
"Raspberry Pi HQ camera",
"rp2040",
"telescope"
] | Humans have loved looking up at the night sky for time immemorial, and that hasn’t stopped today. [MattHh] has taken this love to the next level with the
Pi-lomar Miniature Observatory
.
Built with a Raspberry Pi 4, a RPi Hi Quality camera, and a Pimoroni Tiny2040, this tiny observatory does a solid job of letting you ... | 5 | 5 | [
{
"comment_id": "6700699",
"author": "make piece not war",
"timestamp": "2023-11-21T12:54:21",
"content": "This project is made by a cousin of Sponge Bob Square Pants since the coordinates are well inside the North Sea. And is not warm enough for the real SBSP.",
"parent_id": null,
"depth": ... | 1,760,372,097.071285 | ||
https://hackaday.com/2023/11/20/easy-hackintosh-with-docker-osx-soon-to-be-impossible/ | Easy Hackintosh With Docker-OSX: Soon To Be Impossible? | Maya Posch | [
"Mac Hacks"
] | [
"Docker-OSX",
"hackintosh",
"macOS"
] | The
Docker-OSX
project has to be among one of the easiest ways to get a fully functional
Hackintosh
off the ground on any Linux or Windows (10+) system, with the Docker image handling the heavy lifting of keeping the copy of MacOS happy and satisfied, even as the
legality remains questionable
, as we
previously
reporte... | 44 | 15 | [
{
"comment_id": "6700617",
"author": "Bob A.",
"timestamp": "2023-11-21T03:29:45",
"content": "It’s clear that Apple has no reason to continue to support x86-64 beyond their standard support window for legacy hardware. I’m not so pessimistic to think that 15 or 16 will be the cutoff, I think it’s mo... | 1,760,372,097.012455 | ||
https://hackaday.com/2023/11/20/diy-loading-coil-shortens-antenna-lengths/ | DIY Loading Coil Shortens Antenna Lengths | Bryan Cockfield | [
"Radio Hacks"
] | [
"amateur radio",
"antenna",
"coil",
"ham radio",
"inductance",
"inductor",
"loading coil",
"radio"
] | A newly licensed amateur radio operator’s first foray into radios is likely to be a VHF or UHF radio with a manageable antenna designed for the high frequencies in these radio bands. But these radios aren’t meant for communicating more than a double-digit number of kilometers or miles. The radios meant for long-distanc... | 24 | 9 | [
{
"comment_id": "6700596",
"author": "Observer",
"timestamp": "2023-11-21T00:32:14",
"content": "This guy uses a movable tap to short out unwanted turns to reduce coil inductance. You can find similar topology in the tank circuits of old tube transmitters where a progressively-shorting rotary switch... | 1,760,372,097.323245 | ||
https://hackaday.com/2023/11/20/cinepi-project-promises-open-source-movie-making/ | CinePi Project Promises Open Source Movie Making | Tom Nardi | [
"digital cameras hacks",
"Raspberry Pi"
] | [
"movie camera",
"Raspberry Pi HQ camera"
] | Today, there’s open source options for pretty much anything mainstream, but that doesn’t mean there aren’t still some niches out there that could benefit from the libre treatment. The
CinePi project
is a perfect example — before today we didn’t even know that an open hardware and software cinema-quality camera was out ... | 19 | 3 | [
{
"comment_id": "6700541",
"author": "NurseBobIsRetired",
"timestamp": "2023-11-20T21:49:13",
"content": "It would be useful to know to which footage “partially” applies. It looks to be an interesting project, but neither video clip reveals enough useful information to help decide whether it’s wort... | 1,760,372,097.379641 | ||
https://hackaday.com/2023/11/20/a-camera-that-signs-off-your-pictures/ | A Camera That Signs Off Your Pictures | Al Williams | [
"digital cameras hacks"
] | [
"cryptographic signature",
"digital photography"
] | We’ll admit we’ve kicked around the idea of a camera that digitally signs a picture so you could prove it hasn’t been altered and things like the time and place the photo was taken for years. Apparently, products are starting to hit the market, and Spectrum
reports on a Leica
that, though it will set you back nearly $1... | 38 | 22 | [
{
"comment_id": "6700500",
"author": "Thomas Brusehaver",
"timestamp": "2023-11-20T19:57:42",
"content": "All cameras should do something like this.Gimp and Photoshop et.al. should be able to add to the signature without being allowed to remove it.It will minimize “deep fakes” in important places.Th... | 1,760,372,097.515076 | ||
https://hackaday.com/2023/11/21/a-colorful-take-on-the-e-ink-photo-frame/ | A Colorful Take On The E-Ink Photo Frame | Navarre Bartz | [
"home hacks"
] | [
"digital photo frame",
"e-ink",
"photo frame",
"Pi Hat",
"raspberry pi"
] | Everyone loves sharing photos, and with most pictures being taken on smartphones now, digital frames are more convenient than finding a photo printer. [Wolfgang Ziegler] used an e-ink screen to create a colorful
digital picture frame
.
Starting with a seven color e-ink HAT he’d forgotten he had, a spare Pi Zero, and an... | 7 | 2 | [
{
"comment_id": "6700939",
"author": "lis0r",
"timestamp": "2023-11-22T08:27:10",
"content": "I hate that we’re stuck with these rubbish 7-colour panels being the only sanely affordable option. The lack of cyan makes it borderline impossible to render satisfying images.",
"parent_id": null,
... | 1,760,372,097.561395 | ||
https://hackaday.com/2023/11/21/building-an-animated-turn-signal-for-the-mazda-mx-5/ | Building An Animated Turn Signal For The Mazda MX-5 | Lewin Day | [
"car hacks"
] | [
"led",
"mazda",
"turn signal"
] | Turn signals in most of the world are mandated to be a flashing orange light, distinct from other bulbs on a vehicle. However, there has been a trend in the modern era to go for fancier animated turn signals using great numbers of LEDs.
[ssh16] decided to whip up a set of their own to suit their late-model Mazda MX-5.
... | 37 | 11 | [
{
"comment_id": "6700889",
"author": "Matt",
"timestamp": "2023-11-22T00:16:51",
"content": "Some jurisdictions have limits on the maximum brightness of certain lights and indicators, the idea being to avoid blinding other drivers. If this is “brighter than the original bulb by some margin” it may b... | 1,760,372,097.638022 | ||
https://hackaday.com/2023/11/21/simple-cmos-circuit-allows-power-and-data-over-twisted-pair-wiring/ | Simple CMOS Circuit Allows Power And Data Over Twisted-Pair Wiring | Dan Maloney | [
"hardware"
] | [
"CD4538",
"monostable",
"pic",
"reset",
"sensor",
"timer",
"twisted-pair"
] | If you need to send data from sensors, there are plenty of options, including a bewildering selection of wireless methods. Trouble is, most of those protocols require a substantial stack of technology to make them work, and things aren’t much easier with wired sensors either. It doesn’t have to be that complicated, tho... | 29 | 13 | [
{
"comment_id": "6700858",
"author": "Gösta",
"timestamp": "2023-11-21T21:28:23",
"content": "Great article! :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6700863",
"author": "Cyna",
"timestamp": "2023-11-21T22:00:44",
"content": "A hundred fe... | 1,760,372,097.71828 | ||
https://hackaday.com/2023/11/21/computer-gear-with-um-gears/ | Computer Gear With — Um — Gears | Al Williams | [
"Teardown"
] | [
"analog computer",
"military",
"tank"
] | Analog computers have been around in some form for a very long time. One very obvious place they were used was in military vehicles. While submarine fire computers and the Norden bombsight get all the press, [msylvain59] has a lesser-known example: an
M13A1 ballistic computer from an M48 tank
that he tears down for us ... | 10 | 5 | [
{
"comment_id": "6700855",
"author": "Piotrsko",
"timestamp": "2023-11-21T20:47:18",
"content": "All my computers require a hammer (or precision adjustment device) at some point of my ownership. Fixes some, causes replacement of others",
"parent_id": null,
"depth": 1,
"replies": []
},... | 1,760,372,097.830051 | ||
https://hackaday.com/2023/11/21/how-to-talk-to-your-scope/ | How To Talk To Your Scope | Al Williams | [
"Featured",
"how-to",
"Interest",
"Skills",
"Slider"
] | [
"ivi",
"python",
"rigol",
"scpi",
"visa"
] | It used to be only high-end test equipment that had some sort of remote control port. These days, though, they are quite common. Historically, test gear used IEEE-488 (also known as GPIB or, from the originator, HPIB). But today, your device will likely talk over a USB port, a serial port, or a LAN connection. You’d th... | 21 | 10 | [
{
"comment_id": "6700776",
"author": "Ostracus",
"timestamp": "2023-11-21T18:18:19",
"content": "Maybe the way Scotty talked to his “computer”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6700777",
"author": "YGDES",
"timestamp": "2023-11-21T18:30:0... | 1,760,372,097.783995 | ||
https://hackaday.com/2023/11/21/picogus-for-all-your-isa-sound-card-needs/ | PicoGUS: For All Your ISA Sound Card Needs | Julian Scheffers | [
"Retrocomputing"
] | [
"isa bus",
"rp2040",
"sound card"
] | Sound cards used to be a big part of gaming machines in the 90s and 2000s but have largely gone extinct in the wake of powerful CPUs doing the sound themselves. Sound cards were expensive back then and, because the good ones weren’t very common, are expensive still for the retro gamer. But if you don’t
need
the real th... | 23 | 10 | [
{
"comment_id": "6700761",
"author": "Stappers",
"timestamp": "2023-11-21T17:12:59",
"content": "Either the linkhttps://polpo.org/picogus/is broken, or the server is being DDOSsed by us.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6700862",
"autho... | 1,760,372,097.990875 | ||
https://hackaday.com/2023/11/21/keebin-with-kristina-the-one-with-the-duplex-typewriter/ | Keebin’ With Kristina: The One With The Duplex Typewriter | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"ADHD",
"Coleco",
"coleco adam",
"dactyl",
"dactyl keyboard",
"duplex typewriter",
"macro pad",
"macropad"
] | The Coleco Adam? A not-so-great home computer that likely contributed to the downfall of the company. The keyboard, however, is a different story,
and worth repurposing
.
[Nick Bild] has created a USB adapter that uses a Teensy 4.1 and an RJ-12 breakout board. Now this wasn’t just a simple matrix to decode. No, the fin... | 10 | 4 | [
{
"comment_id": "6700741",
"author": "eswan",
"timestamp": "2023-11-21T15:23:48",
"content": "“To type ‘hack’, you would press ‘h’ and ‘a’ at the same time, and then ‘c’ and ‘k’ together.”How would it know to type hack instead of ahkc?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,097.934458 | ||
https://hackaday.com/2023/11/22/turning-a-saxophone-into-a-midi-controller/ | Turning A Saxophone Into A MIDI Controller | Lewin Day | [
"Microcontrollers",
"Musical Hacks"
] | [
"midi",
"midi controller",
"music"
] | Most of the time, if you’re looking for a MIDI controller, you’re going to end up with some kind of keyboard or a fancy button pad. The saxophone is an altogether more beguiling instrument that makes for one hell of an interface, but there’s a problem: they’re seldom MIDI-compatible.
This build from [AndrewChi] changes... | 6 | 2 | [
{
"comment_id": "6701101",
"author": "Paul LeBlanc",
"timestamp": "2023-11-22T21:14:03",
"content": "It could also use an air pressure sensor and a touch pressure sensor in the mouthpiece, to measure how hard the player is blowing and how tight their embouchure is. I never played sax, but I played o... | 1,760,372,097.877994 | ||
https://hackaday.com/2023/11/22/linux-fu-easy-kernel-debugging/ | Linux Fu: Easy Kernel Debugging | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Slider"
] | [
"kernel",
"linux"
] | It used to be that building the Linux kernel was not easy. Testing and debugging were even worse. Nowadays, it is reasonably easy to build a custom kernel and test or debug it using virtualization. But if you still find it daunting, try [deepseagirl’s]
script to download, configure, build, and debug the kernel
.
The Py... | 2 | 2 | [
{
"comment_id": "6701745",
"author": "CodeAsm",
"timestamp": "2023-11-25T09:49:48",
"content": "If using a custom kernel in a vm is too hard, download this python script to do all the hard work and if it fails, you have to go into the issues page and ask for help. I understand and made my own script... | 1,760,372,098.151628 |
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