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https://hackaday.com/2022/07/23/machine-learning-baby-monitor-prevents-the-hunger-games/ | Machine Learning Baby Monitor Prevents The Hunger Games | Dan Maloney | [
"Machine Learning"
] | [
"baby",
"feeding",
"gesture recognition",
"hunger",
"machine learning",
"MediaPipe",
"pose estimation"
] | Newborn babies can be tricky to figure out, especially for first-time parents. Despite the abundance of unsolicited advice proffered by anyone who ever had a baby before — and many who haven’t — most new parents quickly get in sync with the baby’s often ambiguous signals. But [Caleb] took his observations of his newbor... | 25 | 10 | [
{
"comment_id": "6496183",
"author": "Caleb",
"timestamp": "2022-07-23T20:57:29",
"content": "Caleb here, nice write up! This was a fun project & works really well. Hah, gotta start thinking about how unnecessary amounts of technology can help w/ potty training as he grows up.Also, getting ahead of ... | 1,760,372,621.438587 | ||
https://hackaday.com/2022/07/23/purpose-built-plotter-pitches-in-to-solve-wordblitz-on-your-phone/ | Purpose-Built Plotter Pitches In To SolveWordblitzOn Your Phone | Dan Maloney | [
"Games"
] | [
"ArUco",
"Boggle",
"capacitive",
"fiducial",
"ganty",
"machine vision",
"opencv",
"plotter",
"stylus",
"Wordblitz",
"X-Y"
] | It seems like most hackers have never played a game without at least wondering how to cheat at it. It’s not that we’re a dishonest lot, at least not as a rule. It’s more that most games hold less challenge for us than does figuring out how to reverse engineer the game’s mechanics. We don’t intend to cheat; it just sort... | 0 | 0 | [] | 1,760,372,621.211575 | ||
https://hackaday.com/2022/07/23/patents-and-the-missing-museum/ | Patents And The Missing Museum | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"model",
"museum",
"patent"
] | A beautiful chapter of the history of invention in the United States ended with a fire in 1880. Well, the fire took place in 1877, but the wheels of government turn slowly. For the first 90 years that patents were granted in the USA, applications were required to be accompanied by a working model – to prove that the id... | 38 | 12 | [
{
"comment_id": "6496099",
"author": "Jan",
"timestamp": "2022-07-23T14:15:36",
"content": "“Maybe in the future, 3D CAD drawings will take their place? They’d be a lot easier to save in event of a fire.”on the other hand… if no proper backups of these digital files are made, they could be erased in... | 1,760,372,621.718263 | ||
https://hackaday.com/2022/07/23/is-3d-printing-up-to-a-turntable/ | Is 3D Printing Up To A Turntable? | Jenny List | [
"Musical Hacks"
] | [
"3d printed turntable",
"HiFi",
"turntable",
"vinyl"
] | Thanks to
a feature by Prusament
because it uses their filament, we’ve been interested to read about the SongBird turntable from the British outfit
Frame Theory
(
Note
: at time of writing, they have an expired certificate). It’s a commercial product with an interesting twist for the Hi-Fi business: buy the completed t... | 20 | 12 | [
{
"comment_id": "6496085",
"author": "Nixie",
"timestamp": "2022-07-23T12:09:39",
"content": "Thing is that you want your turntable to be heavier, not lighter. You have companies like OMA who make massive plinths made out of slate and other heavy materials. It is a cool design though",
"parent_i... | 1,760,372,621.773817 | ||
https://hackaday.com/2022/07/25/hackaday-prize-2022-arduino-powered-weighing-scale-has-a-real-analog-display/ | Hackaday Prize 2022: Arduino-Powered Weighing Scale Has A Real Analog Display | Robin Kearey | [
"home hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"load cell",
"moving coil",
"weighing scale"
] | Digital displays are useful for quick and accurate readout, but lots of people prefer the physical motion of a needle moving along a dial. For instance, many smartwatch users choose an analog face to show the time, and modern cars with digital dashboards often default to showing an analog speedometer. Following this tr... | 3 | 1 | [
{
"comment_id": "6497244",
"author": "Dude",
"timestamp": "2022-07-26T23:26:28",
"content": "What’s annoying about digital scales is the timeout that shuts the power and resets it to zero if you don’t keep adding stuff continuously. If you pause for 15-30 seconds it’s all gone – so don’t go hunting ... | 1,760,372,621.25635 | ||
https://hackaday.com/2022/07/25/2022-hackaday-prize-make-your-world-more-disaster-resistant-more-engaged/ | 2022 Hackaday Prize: Make Your World More Disaster Resistant, More Engaged | Elliot Williams | [
"contests",
"Hackaday Columns",
"Slider"
] | [
"2022 Hackaday Prize",
"communication",
"disaster",
"environment",
"mesh network",
"sensing"
] | Following along with the 2022 Hackaday Prize theme on building a better world by doing what we all do best – hacking together solutions – the fourth round of the Prize focuses on making our local communities more resilient against and sensitive to severe weather and environmental disasters. Whether it’s an early warnin... | 10 | 1 | [
{
"comment_id": "6496888",
"author": "RW ver 0.0.3",
"timestamp": "2022-07-25T17:33:43",
"content": "Hmmm massive Carrington event survival information service.. drum from a clothes dryer, encoded with pegs, that operate a semaphore tower, that can be seen in a 5 mile radius with optical aids (Binoc... | 1,760,372,621.376804 | ||
https://hackaday.com/2022/07/25/50-year-old-8-track-changer-repair-and-hack/ | 50-Year-Old 8-Track Changer Repair And Hack | Chris Lott | [
"home entertainment hacks"
] | [
"8-track",
"RCA",
"tape changer"
] | For reasons still unclear, [Techmoan] has procured an RCA 8-track changer that holds five tape cartridges in a custom carrier. It somewhat works, but had a bit of mechanical issues here and there which needed some maintenance. Additionally, the player is designed for the US market and 60 Hz mains, but [Techmoan] is in ... | 28 | 9 | [
{
"comment_id": "6496849",
"author": "AndreN",
"timestamp": "2022-07-25T16:33:34",
"content": "8-tracks don’t have “both sides” like a cassette tape. It’s one continuous loop with a marker indicating the tape has returned to the start. This signals the tape head to move down a notch for the next t... | 1,760,372,621.643813 | ||
https://hackaday.com/2022/07/25/how-does-the-james-webb-telescope-phone-home/ | How Does The James Webb Telescope Phone Home? | Tom Nardi | [
"Current Events",
"Engineering",
"Featured",
"Original Art",
"Slider",
"Space"
] | [
"Deep Space Network",
"Hubble Space Telescope",
"james webb space telescope"
] | When it comes to an engineering marvel like the James Webb Space Telescope, the technology involved is so specialized that there’s precious little the average person can truly relate to. We’re talking about an infrared observatory that cost $10 billion to build and operates at a temperature of 50 K (−223 °C; −370 °F), ... | 31 | 9 | [
{
"comment_id": "6496792",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-07-25T14:12:37",
"content": "Nice article, thanks!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6496799",
"author": "Joshua",
"timestamp": "2022-07-25T14:... | 1,760,372,621.522243 | ||
https://hackaday.com/2022/07/25/custom-raspberry-pi-case-shows-the-whole-workflow/ | Custom Raspberry Pi Case Shows The Whole Workflow | Donald Papp | [
"3d Printer hacks",
"Raspberry Pi"
] | [
"3d printing",
"custom case",
"enclosure",
"Laser cutting",
"raspberry pi"
] | If you are a process junkie and
love
seeing the end-to-end of how a thing is made and with what tools, then watch
[Michael Klements] show off his Raspberry Pi case design
. His case has quite a few cool-looking elements to it, and incorporates 3D printing as well as laser-cut and clear bent acrylic for a gorgeous three... | 29 | 8 | [
{
"comment_id": "6496768",
"author": "M",
"timestamp": "2022-07-25T11:23:55",
"content": "…so, it’s a commercial?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6496790",
"author": "Timo",
"timestamp": "2022-07-25T13:58:49",
"content"... | 1,760,372,621.325062 | ||
https://hackaday.com/2022/07/25/a-tiny-forest-of-resistors-makes-for-quick-and-dirty-adaptive-optics/ | A Tiny Forest Of Resistors Makes For Quick And Dirty Adaptive Optics | Dan Maloney | [
"Misc Hacks"
] | [
"adaptive optics",
"coefficient",
"expansion",
"interferometer",
"mirror",
"optics",
"Thermal"
] | The term “adaptive optics” sounds like something that should be really complicated and really expensive. And in general, the ability to control the properties of optical elements is sufficiently difficult enough that it’s reserved for big-science stuff like billion-dollar space telescopes.
But that doesn’t mean there a... | 16 | 4 | [
{
"comment_id": "6496736",
"author": "sweethack",
"timestamp": "2022-07-25T09:00:24",
"content": "I’m not sure you want to heat the mirror of an catadioptric system. Generally, you can to cool it down as much as you can to limit thermal noise and atmospheric ray bending.",
"parent_id": null,
... | 1,760,372,621.572923 | ||
https://hackaday.com/2022/07/24/complex-movements-from-simple-inflatables-thanks-to-physics/ | Complex Movements From Simple Inflatables, Thanks To Physics | Donald Papp | [
"3d Printer hacks",
"Robots Hacks"
] | [
"actuator",
"air pressure",
"pressure",
"research",
"soft robotics"
] | Inflatable actuators that change shape based on injected pressure can be strong, but their big limitation is that they always deform in the same way.
The Kresling pattern, which inspired the actuator design.
But by taking structural inspiration from origami, researchers created 3D-printed actuators that show it is
poss... | 5 | 3 | [
{
"comment_id": "6496704",
"author": "spidy",
"timestamp": "2022-07-25T05:25:40",
"content": "I dunno, spiders been doing it for million of years, moving their legs in similar fashion (not expanding and deflating, though).",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,372,621.819895 | ||
https://hackaday.com/2022/07/22/homebrew-curve-tracer-competes-with-the-big-guns/ | Homebrew Curve Tracer Competes With The Big Guns | Al Williams | [
"Tool Hacks"
] | [
"curve tracer",
"custom tool",
"test equipment"
] | When we first saw the VBA curve tracer, we thought it might have something to do with Visual Basic for Applications. But it turns out it is a mash up of the names of the creators: [Paul Versteeg], [Bud Bennett], and [Mark Allie]. [Paul] designed an original prototype back in 2017. Since then, the project has grown and ... | 22 | 12 | [
{
"comment_id": "6495948",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-07-22T16:06:39",
"content": "I have never used Curve Tracer, although a number of place I worked had the big Tektronix one.I don’t understand how taking a device beyond its breakdown or avalanche regions d... | 1,760,372,622.214325 | ||
https://hackaday.com/2022/07/22/this-week-in-security-asterisk-tiktok-gitlab-and-finally-a-spam-solution/ | This Week In Security: Asterisk, TikTok, Gitlab, And Finally A Spam Solution | Jonathan Bennett | [
"Hackaday Columns",
"Security Hacks",
"Slider"
] | [
"asterisk",
"freepbx",
"gitlab",
"This Week in Security",
"TikTok"
] | There’s
an ongoing campaign that’s compromising FreePBX systems around the world
. It seems to be aimed specifically at Elastix systems, using CVE-2021-45461, a really nasty Remote Code Execution (RCE) from December of last year. This flaw was a 0-day, as it was discovered by analyzing a compromised FreePBX system. It’... | 14 | 5 | [
{
"comment_id": "6495926",
"author": "BillyG",
"timestamp": "2022-07-22T14:40:48",
"content": "This is everything you need to know about why TikTok should be bannedhttps://cad-comic.com/comic/more-clicks/https://www.msn.com/en-us/news/technology/kids-in-china-banned-from-watching-tiktok-for-more-tha... | 1,760,372,622.714877 | ||
https://hackaday.com/2022/07/22/now-theres-usb-c-on-the-iphone-se/ | Now There’s USB-C On The IPhone SE | Lewin Day | [
"Phone Hacks"
] | [
"iphone",
"lightning connector",
"lightning port",
"USB C"
] | As confusing as it can be, USB-C is actually pretty good, and certainly has its fans. [David Buchanan] must be one of them,
for he did a great job putting a USB-C port into his iPhone SE.
[David] didn’t want to ruin a pristine example, so set about hacking the cheapest first-gen iPhone SE he could find on eBay. His app... | 37 | 9 | [
{
"comment_id": "6495885",
"author": "Viktor3",
"timestamp": "2022-07-22T11:09:14",
"content": "What’s an iPhone?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6496126",
"author": "Steve",
"timestamp": "2022-07-23T16:18:45",
"content... | 1,760,372,622.355816 | ||
https://hackaday.com/2022/07/22/pet-docking-station-was-two-decades-in-the-making/ | Pet Docking Station Was Two Decades In The Making | Jenny List | [
"Peripherals Hacks"
] | [
"Commodore PET",
"docking station",
"retrocomputer"
] | There are some projects which once might have been entirely appropriate, but which now seem sacrilegious. [Dave Luna]’s
PC docking station in a Commodore Pet 64 case
might at first sight seem to be one of them, but there’s a little more to it than gutting a cherished retrocomputer.
A much younger [Dave] had a dead Pet ... | 14 | 8 | [
{
"comment_id": "6495867",
"author": "ono",
"timestamp": "2022-07-22T08:50:09",
"content": "I was hoping this could show a way dock my cat in order to automatically process its egress. I´m deceived. I have to keep my little shovel and gas mask, then :(",
"parent_id": null,
"depth": 1,
"r... | 1,760,372,622.557809 | ||
https://hackaday.com/2022/07/21/turning-the-back-of-your-phone-into-a-touchpad/ | Turning The Back Of Your Phone Into A Touchpad | Lewin Day | [
"Phone Hacks"
] | [
"apple",
"back of phone",
"backtrack",
"iphone",
"phone",
"smartphone",
"TouchPad"
] | Smartphones use big touchscreens on the front as a useful tactile interface. However, our hands naturally wrap around the back of the phone, too. This area is underutilized as an interface,
but the designers of BackTrack found a way to change that.
Touches on the 2D rear matrix are translated into a pair of touches on ... | 28 | 10 | [
{
"comment_id": "6495846",
"author": "CG",
"timestamp": "2022-07-22T06:13:28",
"content": "Interesting! The Motorola Backflip had a similar feature. It could be used to things such as scrolling through documents.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,372,622.284995 | ||
https://hackaday.com/2022/07/21/design-cities-in-a-snap-with-buildify/ | Design Cities In A Snap With Buildify | Adam Zeloof | [
"Games"
] | [
"3d model",
"animations",
"blender",
"gaming"
] | Designing 3D environments is hard, but it doesn’t have to be. A week ago, if you decided to design an entire city in Blender, say for a game or animation, you probably would have downloaded some asset pack full of building shapes and textures and painstakingly placed them over the course of days, modifying the models a... | 7 | 4 | [
{
"comment_id": "6495866",
"author": "Niko",
"timestamp": "2022-07-22T08:19:52",
"content": "Laughs in Chinese ghost city developer",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6495882",
"author": "2ftg",
"timestamp": "2022-07-22T10:59:54",
"cont... | 1,760,372,622.65873 | ||
https://hackaday.com/2022/07/21/reverse-engineering-a-phased-array-system-reveals-surprising-details/ | Reverse Engineering A Phased Array System Reveals Surprising Details | Ryan Flowers | [
"Radio Hacks"
] | [
"patch antenna",
"phased array",
"radio",
"WiGig"
] | The term “phased array” has been around for a long time, but in recent years we’ve heard more and more about the beam shaping that’s possible with phased array antennae. In the video below the break, [The Signal Path]
breaks down a Qualcomm 60GHz WiGig unit
, and does a deep dive, even looking at the bare silicon and a... | 13 | 6 | [
{
"comment_id": "6495821",
"author": "Severe Tire Damage",
"timestamp": "2022-07-22T00:21:31",
"content": "bare silicone ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6495823",
"author": "cncFriend",
"timestamp": "2022-07-22T00:30:48",
... | 1,760,372,622.502432 | ||
https://hackaday.com/2022/07/23/digital-measuring-wheel-is-exactly-what-it-sounds-like/ | Digital Measuring Wheel Is Exactly What It Sounds Like | Lewin Day | [
"Tool Hacks"
] | [
"measurement",
"metrology"
] | You may have seen surveyors (or maths students) running around with measuring wheels, counting the clicks to measure distances.
[AGBarber]’s digital measuring wheel works in much the same way
, but with the convenience of a measurement you can read off a screen.
The design is simple, and relies on the outer wheel of th... | 11 | 5 | [
{
"comment_id": "6496151",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-07-23T18:02:50",
"content": "Kinda small for measuring real estate, doncha think?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6496172",
"author": "eternityfor... | 1,760,372,622.76244 | ||
https://hackaday.com/2022/07/22/hunt-the-lunpus-is-an-attiny-based-minimalist-game-console/ | Hunt The Lunpus Is An ATtiny-Based Minimalist Game Console | Robin Kearey | [
"Games"
] | [
"adventure game",
"attiny84",
"hunt the wumpus",
"seven segment LED"
] | In a world where game consoles come with ever-higher resolutions and ever-faster frame rates, it’s refreshing to see someone going in the opposite direction: [Doug McInnes]’s latest project is
a tiny handheld game console with probably the lowest-resolution graphics possible
. Hardware-wise, it’s a small PCB containing... | 9 | 4 | [
{
"comment_id": "6496079",
"author": "Orzel",
"timestamp": "2022-07-23T10:55:17",
"content": "I can’t find the schematics. There’s a PCB_wumpus.json, but the commit says “add Gerber files”. Looks like far too much close hardware to me.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,622.613449 | ||
https://hackaday.com/2022/07/22/color-us-impressed-redbean-runs-a-web-server-on-six-operating-systems/ | Color Us Impressed: Redbean Runs A Web Server On Six Operating Systems | Al Williams | [
"Software Hacks"
] | [
"actually portable executable",
"APE",
"cross-platform"
] | The holy grail of computing is to have some way to distribute a program to any computer. This is one of those totally unachievable goals, but many have tried with varying degrees of success. People naturally think of Java, but even before that there was UCSD’s P-code and many other attempts to pull off the same trick.... | 20 | 6 | [
{
"comment_id": "6496078",
"author": "Vulcan Ignis",
"timestamp": "2022-07-23T10:43:25",
"content": "Al, awesome article, loved it!Redbean and Cosmopolitanhttps://github.com/jart/cosmopolitanis like sorcery! Its like alien technology. Have used both and I am so f**ing amazed. In fact so amazed that ... | 1,760,372,622.815789 | ||
https://hackaday.com/2022/07/22/satan-turns-hard-drive-cable-into-antenna-to-defeat-air-gapped-security/ | SATAn Turns Hard Drive Cable Into Antenna To Defeat Air-Gapped Security | Dan Maloney | [
"Security Hacks"
] | [
"ADALM-PLUTO",
"exfiltration",
"exploit",
"hdd",
"RF",
"SATA 3.0",
"sdr",
"ssd"
] | It seems like [Mordechai Guri]’s lab at Ben-Gurion University is the place where air-gapped computers go to die, or at least to give up their secrets. And
this hack using a computer’s SATA cable as an antenna
to exfiltrate data is another example of just how many side-channel attacks the typical PC makes available.
The... | 19 | 10 | [
{
"comment_id": "6496020",
"author": "Jonathan Wilson",
"timestamp": "2022-07-22T23:21:01",
"content": "Easy fix, just build your air-gapped system with only NVME storage.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6496038",
"author": "Doug EM",
... | 1,760,372,622.922827 | ||
https://hackaday.com/2022/07/22/watering-the-garden-with-a-solar-powered-system/ | Watering The Garden With A Solar-Powered System | Lewin Day | [
"green hacks"
] | [
"automatic plant watering",
"garden",
"watering"
] | Watering the garden is important to do regularly if you want your plants to thrive. [Nikodem Bartnik] built a system to handle it for him,
keeping his garden on the grow
.
The system has an Arduino commanding an irrigation system based around a pump delivering water from a reservoir. It’s paired with a water level sens... | 18 | 6 | [
{
"comment_id": "6495993",
"author": "That kid",
"timestamp": "2022-07-22T20:27:25",
"content": "“ verything was then wrapped”Ever’ting",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6514891",
"author": "chand",
"timestamp": "2022-09-21T05:31... | 1,760,372,623.165052 | ||
https://hackaday.com/2022/07/22/esp32-gets-a-nifty-serial-console-library/ | ESP32 Gets A Nifty Serial Console Library | Lewin Day | [
"Misc Hacks"
] | [
"console",
"ESP32",
"serial console",
"serial terminal"
] | Sometimes you need to get a project to talk to you, so you can see what’s going on inside. The ESP32 console Arduino library from [jbtronics]
promises just that.
The library adds a simple serial console to the ESP32, and is compatible with the Arduino ecosystem to boot. It’s set up to allow the easy addition of custom ... | 8 | 3 | [
{
"comment_id": "6496007",
"author": "Torsten Martinsen",
"timestamp": "2022-07-22T21:33:40",
"content": "Just to clarify, this is not really new to the ESP32 – this project simply encapsulates the (very nice) Console component from the ESP-IDF so that it can be used from the Arduino environment.I s... | 1,760,372,623.207283 | ||
https://hackaday.com/2022/07/22/hackaday-podcast-178-the-return-of-supercon-victory-for-open-source-exquisite-timepieces-and-documentation-to-die-for/ | Hackaday Podcast 178: The Return Of Supercon, Victory For Open Source, Exquisite Timepieces, And Documentation To Die For | Tom Nardi | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Hackaday Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi start this week’s podcast off with an announcement the community has been waiting years for: the return of the Hackaday Supercon! While there’s still some logistical details to hammer out, we’re all extremely excited to return to a live con and can’... | 2 | 1 | [
{
"comment_id": "6496073",
"author": "good timing",
"timestamp": "2022-07-23T09:40:28",
"content": "There was a recent meme outbreak when some germans found out that some other germans have a ~~weird~~ idiotic way to say 15-past-the-full-hour.This is a rough summary:https://imgur.com/a/LBWSswFThis p... | 1,760,372,623.066974 | ||
https://hackaday.com/2022/07/20/how-to-make-a-model-roller-coaster-without-any-moving-parts/ | How To Make A Model Roller Coaster Without Any Moving Parts | Robin Kearey | [
"3d Printer hacks",
"Misc Hacks"
] | [
"3d printed",
"cnc",
"led strips",
"roller coaster"
] | Roller coasters are not only great fun to ride, they’re also fascinating pieces of engineering. Building your own full-size coaster is sadly beyond most people’s means, so the average enthusiast will have to settle for simulation or modelling of their own designs. [Jon Mendenhall] is one of those who specialize in buil... | 5 | 4 | [
{
"comment_id": "6495609",
"author": "IIVQ",
"timestamp": "2022-07-21T06:35:22",
"content": "Wow, the result is cool, but his explanation of all the smart tricks he used is what really makes this video!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6495677",
... | 1,760,372,623.110896 | ||
https://hackaday.com/2022/07/20/hacking-a-jack-in-the-box-to-be-extra-surprising/ | Hacking A Jack-in-the-Box To Be Extra Surprising | Lewin Day | [
"Toy Hacks"
] | [
"arduino nano",
"jack-in-the-box",
"toy"
] | A Jack-In-The-Box is scary enough the first time. However, if you’ve seen the clown pop out before, it fails to have the same impact. [Franklinstein] decided that
swapping out the clown for an
alternative payload
would deliver the fright he was after.
Inside the toy, an Arduino Nano runs the show. It’s paired with an a... | 13 | 9 | [
{
"comment_id": "6495578",
"author": "NiHaoMike",
"timestamp": "2022-07-21T02:51:52",
"content": "So basically how Mark Rober would build a Jack-in-the-box?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6495580",
"author": "Andrew",
"timestamp": "2022... | 1,760,372,623.504742 | ||
https://hackaday.com/2022/07/20/3d-printed-skate-trucks-do-surprisingly-okay/ | 3D Printed Skate Trucks Do Surprisingly Okay | Lewin Day | [
"3d Printer hacks"
] | [
"skateboard",
"skateboarding",
"skating"
] | If you can buy something off the shelf, there’s a good chance that someone has tried to 3D print their own version. [Daniel Norée] did just that with skateboard trucks,
whipping up a design of his own.
The main body of the trucks is 3D-printed, as is the hanger. A 195 mm M8 threaded rod is then used through the center ... | 18 | 3 | [
{
"comment_id": "6495572",
"author": "HaHa",
"timestamp": "2022-07-21T01:31:42",
"content": "3d printers are amazing.They can make things that are literally unmachinable.They can also make low quality, bog standard, readily available things at greater cost then simply buying off the shelf.As an actu... | 1,760,372,623.455452 | ||
https://hackaday.com/2022/07/20/long-range-thermocouple-sensor-sips-battery-power/ | Long-Range Thermocouple Sensor Sips Battery Power | Lewin Day | [
"cooking hacks"
] | [
"datalogger",
"grafana",
"temperature sensor",
"thermocouple"
] | Sometimes you need to know the temperature of something from a ways away. That might be a smoker, a barbecue, or even a rabbit hutch. This project from [Discreet Mayor]
might just be what you’re looking for.
[Discreet Mayor] remotely keeps an eye on the meat, but doesn’t blab about it.
It consists of a MAX31855 thermoc... | 4 | 3 | [
{
"comment_id": "6495543",
"author": "Cricri",
"timestamp": "2022-07-20T20:59:34",
"content": "Typo: CR2023 = CR2032",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6495574",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-07-21T01:... | 1,760,372,623.346832 | ||
https://hackaday.com/2022/07/20/cut-just-about-anything-with-this-combination-lathe-and-wire-edm/ | Cut Just About Anything With This Combination Lathe And Wire EDM | Dan Maloney | [
"Tool Hacks"
] | [
"ceramic",
"EDM",
"electric discharge machining",
"lathe",
"machining",
"wire EDM"
] | They say that if you have a lathe, you have every other machine tool too. To some degree, that’s true — you can make almost anything on a lathe, including another lathe, and even parts best made on other machine tools can usually be made on a lathe in a pinch. But after seeing
this lathe attachment for a DIY electric d... | 18 | 7 | [
{
"comment_id": "6495530",
"author": "Daniel",
"timestamp": "2022-07-20T19:29:13",
"content": "Anyone else wonder how he will put the 5mm ball side into the bit holder when the holder is designed for 4mm shanks?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,372,623.558474 | ||
https://hackaday.com/2022/07/20/transparent-cylinder-shows-you-what-you-otto-know-about-4-cycle-engines/ | Transparent Cylinder Shows You What You Otto Know About 4 Cycle Engines | Ryan Flowers | [
"Engine Hacks"
] | [
"3d printing",
"4-stroke",
"internal combustion",
"Otto cycle",
"resin printing"
] | When we think of a typical four stroke internal combustion engine, we think of
metal
. And for any type of longevity or performance, that’s certainly the right choice. But [Integza] wanted to see what happens inside a 4 stroke engine, and it wasn’t enough to see it from a transparent cylinder head. No, he wanted to see... | 15 | 5 | [
{
"comment_id": "6495469",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-07-20T15:47:11",
"content": "Wow! Violet colored gasoline.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6495480",
"author": "Steve Shockley",
"ti... | 1,760,372,623.397242 | ||
https://hackaday.com/2022/07/20/ask-hackaday-resin-printer-build-plates/ | Ask Hackaday: Resin Printer Build Plates | Al Williams | [
"3d Printer hacks",
"Featured",
"Interest",
"Slider"
] | [
"3d printing",
"3D resin printer",
"Anycubic",
"magnetic build plate",
"nova3d",
"spring steel"
] | The early days of FDM 3D printing were wild and wooly. Getting plastic to stick to your build plate was a challenge. Blue tape and hairspray-coated glass were kings for a long time. Over time, better coatings have appeared and many people use spring steel covered in some kind of PEI. There seem to be fewer choices when... | 29 | 13 | [
{
"comment_id": "6495485",
"author": "Jace",
"timestamp": "2022-07-20T16:54:50",
"content": "The magnetic bed upgrade I got gave instructions for printing an adaptor for my printer that would adjust for the height difference. You just need to remember to print this part before you adhere the magnet... | 1,760,372,623.653214 | ||
https://hackaday.com/2022/07/20/the-casio-smartwatch-you-never-had/ | The Casio Smartwatch You Never Had | Jenny List | [
"clock hacks",
"Wearable Hacks"
] | [
"casio",
"Casio F91W",
"F91W",
"smartwatch"
] | In a way, you have to feel a bit sorry for the engineers at Casio. They can produce the most advanced digital watches ever to grace the wrist, but their work will forever be associated with one of their more lowly creations. The Casio F91 is the archetypal digital watch — it’s affordable, it’s been in production since ... | 26 | 9 | [
{
"comment_id": "6495402",
"author": "sxmwht",
"timestamp": "2022-07-20T11:48:17",
"content": "Looks brilliant, what a great project.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6495413",
"author": "Collie147",
"timestamp": "2022-07-20T12:22:47",
... | 1,760,372,623.824916 | ||
https://hackaday.com/2022/07/20/porting-doom-but-in-the-opposite-direction/ | PortingDOOMBut In The Opposite Direction | Lewin Day | [
"Phone Hacks"
] | [
"brew",
"doom",
"doom port",
"Doom RPG",
"java",
"porting doom",
"smartphone"
] | DOOM
was first released for MS-DOS, and is one of the pillar titles of the broader first-person-shooter genre. It’s also become a bit of a meme for being ported to any and every weird platform under the sun. Now, a group of developers in Costa Rica have found a way to flip that joke around –
by porting an old mobile
DO... | 4 | 2 | [
{
"comment_id": "6495452",
"author": "Handy Jack",
"timestamp": "2022-07-20T14:35:12",
"content": "Something like this combined with a Typing-of-the-Dead-style interface would be amazing.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6495532",
"auth... | 1,760,372,623.979098 | ||
https://hackaday.com/2022/07/19/programmable-resistance-box/ | Programmable Resistance Box | Bryan Cockfield | [
"Tool Hacks"
] | [
"calibration",
"decade",
"microcontroller",
"oled",
"programmable",
"relay",
"resistance",
"resistor",
"substitution"
] | For prototype electronics projects, most of us have a pile of resistors of various values stored somewhere on our tool bench. There are different methods of organizing them for easy access and identification, but for true efficiency a resistance substitution box can be used on the breadboard to quickly change resistanc... | 32 | 14 | [
{
"comment_id": "6495304",
"author": "mh",
"timestamp": "2022-07-20T05:29:01",
"content": "Oh well, I already have a nice Chinese digital component tester that is quite useful, but always discharged when I want to use it.Now I can add a resistor box to that class of tools.",
"parent_id": null,
... | 1,760,372,623.926542 | ||
https://hackaday.com/2022/07/19/down-the-intel-microcode-rabbit-hole/ | Down The Intel Microcode Rabbit Hole | Al Williams | [
"Misc Hacks",
"News"
] | [
"cpu",
"intel",
"microcode"
] | The aptly-named [chip-red-pill] team is offering you a chance to go down the Intel rabbit hole. If you learned how to build CPUs back in the 1970s, you would learn that your instruction decoder would, for example, note a register to register move and then light up one register to write to a common bus and another regis... | 13 | 6 | [
{
"comment_id": "6495256",
"author": "hank o'neill-fisher",
"timestamp": "2022-07-20T02:14:48",
"content": "This was done before on a pentium II, yielding some fun results:https://twitter.com/peterbjornx/status/1319133436041482240https://github.com/peterbjornx/patchtools_pubhttps://twitter.com/peter... | 1,760,372,624.027142 | ||
https://hackaday.com/2022/07/19/iot-garage-door-opener-makes-for-excellent-beginner-iot-project/ | IOT Garage Door Opener Makes For Excellent Beginner IOT Project | Ryan Flowers | [
"home hacks"
] | [
"garage door opener",
"micropython",
"Paspberry Pi Pico",
"Pi Pico W"
] | If you live in a home with a garage door opener, you may have experienced one or more inevitable moments. You pull up to your home, you press the button on the garage door opener, and… nothing. Or you can’t
find
the garage door opener. Or you have to mash the button repeatedly to get a response. Or… you get the idea. T... | 14 | 10 | [
{
"comment_id": "6495202",
"author": "Tom Brusehaver",
"timestamp": "2022-07-19T23:15:46",
"content": "This is my version, using an Arduino nano, and an Android app.http://enginemonitor.blogspot.com/2015/08/garage-project-update.html?m=1",
"parent_id": null,
"depth": 1,
"replies": []
}... | 1,760,372,624.088781 | ||
https://hackaday.com/2022/07/19/quirky-complicated-clock-piques-constructors-curiosity/ | Quirky Complicated Clock Piques Constructor’s Curiosity | Ryan Flowers | [
"clock hacks"
] | [
"chain",
"clock",
"electromechanical clock",
"gears",
"mechanical clock"
] | The Clock that served as inspiration for the garberPark Clock
Have you ever observed the project of another hacker and thought to yourself “I have
got
to have one of those!”? If so, you’re in good company with hacker [garberPark], the maker of
the unusual chain clock
seen in the video below the break.
While on a stroll... | 2 | 2 | [
{
"comment_id": "6495164",
"author": "CityZen",
"timestamp": "2022-07-19T21:16:53",
"content": "At first I thought this was a HaD repeat, but it looks like I first saw it in the comments from the previous chain clock video.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"com... | 1,760,372,624.129896 | ||
https://hackaday.com/2022/07/19/washington-dc-finally-gets-its-own-pcb-metro-map/ | Washington, DC Finally Gets Its Own PCB Metro Map | Tom Nardi | [
"LED Hacks",
"Microcontrollers"
] | [
"ESP8266",
"map",
"mass transit",
"pcb art",
"public transit",
"RGB LED"
] | There was a time, not so long ago, when folks who wanted to make their own custom PCBs would have found themselves in the market for a bucket of acid and a second-hand laser printer. These days, all you have to do is click a few buttons in your EDA program of choice and send the files off for fabrication. It’s easy, ch... | 6 | 5 | [
{
"comment_id": "6495150",
"author": "davidt",
"timestamp": "2022-07-19T20:39:25",
"content": "This, unlike the real Metro system, is unlikely to catch fire. (See “ismetroonfire.com” because it’s a real thing.)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,372,624.179986 | ||
https://hackaday.com/2022/07/21/simple-binary-watch-uses-a-pcb-body/ | Simple Binary Watch Uses A PCB Body | Lewin Day | [
"clock hacks"
] | [
"binary",
"binary clock",
"binary watch"
] | There are many ways to tell the time, from using analog dials to 7-segment displays. Hackers tend to enjoy binary watches, if only for their association with the digital machines that seem to make the world turn these days.
[Vishal Soni] decided to build one of their own.
It’s a straightforward design, that uses six bi... | 3 | 3 | [
{
"comment_id": "6495793",
"author": "not",
"timestamp": "2022-07-21T21:07:51",
"content": "“[Vishal] refers to this as a binary coded decimal (BCD) watch, but BCD involves using binary to directly refer to numbers from 0-9. Instead, it appears to be a regular binary watch using 6-bit notation.”cong... | 1,760,372,624.219588 | ||
https://hackaday.com/2022/07/21/tiny-pinball-machine-also-runs-x86-code/ | Tiny Pinball Machine Also Runs X86 Code | Bryan Cockfield | [
"Games",
"Microcontrollers"
] | [
"dos",
"emulator",
"ESP32",
"pinball",
"small",
"tiny",
"x86"
] | As arcades become more and more rare, plenty of pinball enthusiasts are moving these intricate machines to their home collections in basements, garages, and guest rooms. But if you’re not fortunate enough to live in a home that can support a space-intensive hobby like pinball machines, there are some solutions to that ... | 13 | 9 | [
{
"comment_id": "6495752",
"author": "andarb",
"timestamp": "2022-07-21T18:40:36",
"content": "an ESP32 running a dos emulator? wow",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6495812",
"author": "Alphatek",
"timestamp": "2022-07-21T22:46:... | 1,760,372,624.269872 | ||
https://hackaday.com/2022/07/21/dont-miss-your-last-chance-to-enter-the-hack-it-back-challenge/ | Don’t Miss Your Last Chance To Enter TheHack It BackChallenge | Tom Nardi | [
"contests",
"Hackaday Columns",
"Slider",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"rebuild",
"recycle",
"repair",
"upgrade"
] | While the
2022 Hackaday Prize
as a whole winds its way through a good chunk of the year, each individual challenge that makes up the competition only sticks around for a limited time. As hard as it might be to believe, our time with the
Hack it Back
challenge is nearly at a close, with just a few days left to enter you... | 3 | 3 | [
{
"comment_id": "6495901",
"author": "dudenamedben",
"timestamp": "2022-07-22T12:37:02",
"content": "I reflowed a monster gpu multiple times, made it last me 8 years. Still havnt thrown it out so i can take another crack at it when i get the time. But that and simple capacitor replacements are not g... | 1,760,372,624.31899 | ||
https://hackaday.com/2022/07/21/building-a-modular-joystick-for-star-citizen/ | Building A Modular Joystick ForStar Citizen | Lewin Day | [
"Peripherals Hacks"
] | [
"Joystick",
"star citizen"
] | Joysticks are great for gaming, but sometimes it’s hard to find one that suits your personal playstyle.
[Nixie] developed the TinkerJoy to suit their own needs
, while giving it a modular design to make it easy to customize as well.
It’s built around a metal core, with 3D printed panels attached to the user’s liking. I... | 16 | 7 | [
{
"comment_id": "6495724",
"author": "Chris",
"timestamp": "2022-07-21T16:48:15",
"content": "This is based on the freejoy project using hall effect sensors and magnets for the 5 axes.Firmware is on a custom, built in stm32 bluepill clone.Lovely work!",
"parent_id": null,
"depth": 1,
"re... | 1,760,372,624.427818 | ||
https://hackaday.com/2022/07/21/teardown-how-many-teddy-ruxpins-does-it-take-to-start-a-coven/ | Teardown: How Many Teddy Ruxpins Does It Take To Start A Coven? | Kristina Panos | [
"Featured",
"Interest",
"Teardown"
] | [
"animatronic",
"animatronics",
"robotic teddy",
"teardown",
"teddy ruxpin"
] | Well, I did it. I conquered my childhood fear of talking bears and brought a vintage Teddy Ruxpin animatronic stuffed bear into my home. There were and still are plenty of his brethren both young and old to choose from on the auction sites, and when I saw this particularly carefree barefoot Teddy in his Hawaiian shirt ... | 35 | 19 | [
{
"comment_id": "6495691",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-07-21T14:27:50",
"content": "Maybe a local priest could recommend an exorcist?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6495692",
"author": "Michael Black"... | 1,760,372,624.611755 | ||
https://hackaday.com/2022/07/21/nokia-5110-gets-android-stowaway-and-a-keyboard/ | Nokia 5110 Gets Android Stowaway And A Keyboard | Bryan Cockfield | [
"Android Hacks",
"Cellphone Hacks"
] | [
"5110",
"android",
"bluetooth",
"keyboard",
"nokia"
] | Even though Nokia is largely an afterthought in the phone market now, there was a time when their products represented the state-of-the-art in mobile devices. Some of the their handsets even featured slide-out keyboards and the ability to sent emails; largely unheard of for a device from the late 90s. [befinitiv] was a... | 11 | 9 | [
{
"comment_id": "6495651",
"author": "Harvie.CZ",
"timestamp": "2022-07-21T11:36:45",
"content": "Back in the days i was quite happy with Nokia 9300i. It fit in the pocket nicely, had qwerty keyboard, relatively wide screen, wifi, decent SSH client and semi-decent web browser i beleive even flash pl... | 1,760,372,624.52448 | ||
https://hackaday.com/2022/07/21/3d-printing-a-check-valve-in-metal/ | 3D Printing A Check Valve In Metal | Lewin Day | [
"Parts"
] | [
"check valve",
"metal 3d printing"
] | [SunShine] has been working on 3D printed pumps and similar parts with an aim towards building smaller and more compact hydraulic systems. His latest effort involves
printing working hydraulic check valves that can be integrated seamlessly into his designs.
Unlike many 3D printing enthusiasts, [SunShine] works with met... | 34 | 7 | [
{
"comment_id": "6495624",
"author": "Viki",
"timestamp": "2022-07-21T08:39:50",
"content": "Robots replacing humans again.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6495641",
"author": "The Partially Sighted Mole",
"timestamp": "2022-07... | 1,760,372,625.015503 | ||
https://hackaday.com/2022/07/19/dead-solar-panels-are-the-hottest-new-recyclables/ | Dead Solar Panels Are The Hottest New Recyclables | Lewin Day | [
"green hacks",
"Hackaday Columns",
"Slider",
"Solar Hacks"
] | [
"aluminium",
"aluminum",
"copper",
"lead",
"photovoltaic",
"photovoltaics",
"recycling",
"silicon",
"silver",
"solar panel",
"solar power",
"tin"
] | When it comes to renewable energy, there are many great sources. Whether it’s solar, wind, or something else, though, we need a lot of it. Factories around the globe are rising to the challenge to provide what we need.
We can build plenty of new solar panels, of course, but we need to think about what happens when they... | 99 | 21 | [
{
"comment_id": "6495100",
"author": "ONV",
"timestamp": "2022-07-19T17:04:37",
"content": "DFR – Design for Recycling. Is that not a thing yet?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6495110",
"author": "Foldi-One",
"timestamp": "202... | 1,760,372,624.94879 | ||
https://hackaday.com/2022/07/19/putting-a-cheap-laser-rangefinder-through-its-paces/ | Putting A Cheap Laser Rangefinder Through Its Paces | Adam Zeloof | [
"Tool Hacks"
] | [
"laser",
"laser rangefinder",
"sensor",
"statistics"
] | Sometimes a gizmo seems too cheap to be true. You know there’s just no way it’ll work as advertised — but sometimes it’s fun to find out. Thankfully, if that gadget happens to be a MILESEEY PF210 Hunting Laser Rangefinder, [Phil] has got you covered. He
recently got his hands on one
(for less than 100 euros, which is w... | 18 | 8 | [
{
"comment_id": "6495075",
"author": "John Brown",
"timestamp": "2022-07-19T15:48:38",
"content": "I have an Opti-Logic 120 XL and my only complaint has been with having to remove the rubberized coating with alcohol because over time it becomes a horrible tacky black goo mess.I started out measuring... | 1,760,372,624.692479 | ||
https://hackaday.com/2022/07/19/tech-in-plain-sight-fire-hydrants/ | Tech In Plain Sight: Fire Hydrants | Al Williams | [
"Featured",
"Interest",
"Slider"
] | [
"fire hydrant",
"firecock",
"fireplug"
] | You probably see them so often that you don’t even notice they are there. Fire hydrants are one of those things that aren’t interesting until you need them, but then they are of paramount importance. You sometimes hear them called fireplugs and it made us wonder what was a plug about it. Perhaps it was because that’s w... | 42 | 15 | [
{
"comment_id": "6495055",
"author": "DainBramage",
"timestamp": "2022-07-19T14:28:46",
"content": "I used to work for Watts, and one of the more interesting memories of working there was watching fire hydrants (which is what we tend to call them around here in NH) being built. In those units the va... | 1,760,372,625.116266 | ||
https://hackaday.com/2022/07/19/hackaday-prize-2022-40k-stratasys-printer-fix-costs-1/ | Hackaday Prize 2022: $40k Stratasys Printer Fix Costs $1 | Arya Voronova | [
"Repair Hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"3d printer",
"stratasys"
] | Companies don’t treat equipment in the same way that we, hobbyists, do. When it comes to reassessing equipment state, there’s calculations to be done – how many failures it’s experienced, what’s the rate of the support contract for it (often increasing as equipment ages), and whether it’d be more price-efficient to jus... | 36 | 10 | [
{
"comment_id": "6495013",
"author": "Dave",
"timestamp": "2022-07-19T11:10:48",
"content": "One time I found a quarter….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6495078",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "... | 1,760,372,625.188166 | ||
https://hackaday.com/2022/07/19/modular-z80-really-racks-up-the-retrocomputer-cred/ | Modular Z80 Really Racks Up The Retrocomputer Cred | Dan Maloney | [
"Retrocomputing"
] | [
"8251",
"backplane",
"compact flash",
"CP/M",
"i2c",
"modular",
"rack",
"retrocomputer",
"tty",
"z80"
] | Very few retrocomputing projects are anything other than a labor of love. There’s really no practical reason to build a computer that is woefully inadequate for just about any task compared to even an entry-level PC today. But the lack of a practical reason to do something rarely stops a hacker, as with
this nifty modu... | 24 | 8 | [
{
"comment_id": "6494984",
"author": "J.Peterson",
"timestamp": "2022-07-19T09:54:30",
"content": "A lot of the appeal for old 8-bit computers is the understanding of the entire system- from application source code to PCB layout down to the cpu architecture- can fit in a single human brain.",
"p... | 1,760,372,627.254642 | ||
https://hackaday.com/2022/07/18/print-your-own-drill-guide-without-a-linear-bearing/ | Print Your Own Drill Guide Without A Linear Bearing | Matthew Carlson | [
"Tool Hacks"
] | [
"3d printed tool",
"drill guide",
"node based cad"
] | Typically we often don’t cover paid products here on Hackaday, but we couldn’t help but be impressed with this
3D printed drill guide from [USSA]
. While you’ll need to pay the toll to access the STL files and plans, there’s an excellent video showing a bit of magic behind the curtain that you can check out free of cha... | 15 | 6 | [
{
"comment_id": "6494835",
"author": "TG",
"timestamp": "2022-07-19T05:20:51",
"content": "Wonder how much the harbor freight workbench drill press is these days? Mine was less than $90 when I got it. Holds up okay. The trick with them is that their quality control is inconsistent, so often I’ll ret... | 1,760,372,627.041543 | ||
https://hackaday.com/2022/07/18/the-commodore-64-smartwatch-can-now-sync-with-your-commodore-64-desktop/ | The Commodore 64 Smartwatch Can Now Sync With Your Commodore 64 Desktop | Robin Kearey | [
"Retrocomputing",
"Wearable Hacks"
] | [
"basic",
"commodore 64",
"infrared receiver",
"smartwatch"
] | If you’ve got a smartwatch on your wrist, chances are you’ve also got a device nearby that links up with it. Most modern watches will happily sync with Android devices or iPhones, and some will also talk to Windows PCs. But what if you’re running an alternative OS? Something like, say, Commodore BASIC? In that case, yo... | 5 | 2 | [
{
"comment_id": "6495128",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-07-19T18:40:42",
"content": "So, basically the watch has far greater specs than the computer it connects to?B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6495... | 1,760,372,626.868137 | ||
https://hackaday.com/2022/07/18/worlds-biggest-foam-rc-plane-takes-to-the-skies-but-only-barely/ | World’s Biggest Foam RC Plane Takes To The Skies, But Only Barely! | Ryan Flowers | [
"Misc Hacks"
] | [
"airplane",
"electric airplane",
"Flite Fest",
"flite test",
"foam airplane",
"peter sripol",
"RC airplane"
] | What do you do when you have a whole warehouse sized facility and an industrial sized CNC foam cutter? Clearly, the only choice is to build giant RC aircraft, and that’s exactly what the folks at [FliteTest] teamed up with the illustrious [Peter Sripol] to accomplish. Did it work? Yes. Did it work
well?
We’ll let you b... | 17 | 9 | [
{
"comment_id": "6494269",
"author": "LordNothing",
"timestamp": "2022-07-18T09:21:34",
"content": "i don’t think lift is this plane’s problem. it seems to want to leave the ground at a very low speed. with more motors, or a lawnmower engine, it would be a lot better.",
"parent_id": null,
"d... | 1,760,372,626.767373 | ||
https://hackaday.com/2022/07/17/peer-into-space-through-this-james-webb-style-hexagonal-mirror/ | Peer Into Space Through This James Webb-Style Hexagonal Mirror | Robin Kearey | [
"Art",
"Space"
] | [
"hexagonal mirror",
"james webb space telescope",
"Raspberry Pi 2"
] | The James Webb Space Telescope (JWST) generated considerable excitement when its first test images were released earlier this year: they proved that the instrument was working and helped its engineers to set up all systems for maximum performance. But the real proof of the pudding came last week, when the first batch o... | 2 | 2 | [
{
"comment_id": "6494482",
"author": "Miles",
"timestamp": "2022-07-18T18:28:45",
"content": "If you are recreating this you might have an old tablet you could fire up remote control software on, it would likely be a better fit for the hole size (assuming it covers the entire hole) and it would save... | 1,760,372,627.12625 | ||
https://hackaday.com/2022/07/17/robot-arm-has-the-touch/ | Robot Arm Has The Touch | Al Williams | [
"Android Hacks",
"Robots Hacks"
] | [
"android",
"app inventor",
"mit app inventor",
"robot arm"
] | [Maurizio] built a
robot arm
, which is always a great accomplishment. But his project includes a very cool touch interface for an Android device that sets it apart from many other similar projects.You can see a very fast summary of the construction in the video below.
The design uses Fusion 360 and there are good expl... | 5 | 3 | [
{
"comment_id": "6494115",
"author": "egsnai\\",
"timestamp": "2022-07-18T04:48:03",
"content": "With no position feedback to main controller this is just an expensive paperweight. It’s not only about being able to reach some coordinates, there are also different motion interpolation algorithms and ... | 1,760,372,627.08603 | ||
https://hackaday.com/2022/07/17/hackaday-links-july-17-2022/ | Hackaday Links: July 17, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"cons",
"deep field",
"game",
"hackaday links",
"hope",
"horizontal boring",
"jwst",
"RTFM",
"simulator",
"voyager",
"webb"
] | Webb’s first deep-field image. Source:
NASA
The folks at NASA are taking a well-deserved victory lap this week after the splashy reveal of
the first scientific images from the James Webb Space Telescope
. As we expected, the first public release included a lot of comparisons to images obtained from Hubble, as the gener... | 9 | 5 | [
{
"comment_id": "6494034",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-07-17T23:28:40",
"content": "A paragraph break between HOPE and V’ger please.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6494109",
"author": "Lily",
... | 1,760,372,626.990901 | ||
https://hackaday.com/2022/07/17/observe-airflow-using-smartphone-and-background-oriented-schlieren/ | Observe Airflow Using Smartphone And Background-Oriented Schlieren | Arya Voronova | [
"Cellphone Hacks",
"digital cameras hacks",
"Science"
] | [
"background oriented schlieren",
"camera",
"density",
"fluid",
"image",
"optics",
"phone",
"photograph",
"Schlieren",
"Schlieren photography"
] | Multiple people have recently shared
this exciting demonstration
(
nitter
) with us – visualizing airflow using a smartphone, called ‘background-oriented schlieren’. On a hot summer day,
you might see waves in the air
– caused by air changing density as it warms up, and therefore refracting the light differently.
Schli... | 22 | 8 | [
{
"comment_id": "6493933",
"author": "H",
"timestamp": "2022-07-17T20:37:00",
"content": "I think this could be improved by generating a stream of images that are essentially black and white static that maintain ability to reproduce the effect. The framerate is effectively a clock signal for the cam... | 1,760,372,627.192208 | ||
https://hackaday.com/2022/07/17/it-turns-out-you-cant-just-fly-a-drone-under-water/ | It Turns Out You Can’t Just Fly A Drone Under Water | Matthew Carlson | [
"drone hacks",
"Toy Hacks"
] | [
"autonomous underwater vehicle",
"drone",
"drove fpv"
] | The differences between a drone and an underwater remote-operated vehicle (ROV) aren’t actually that large. Both have powerful motors that move large volumes of fluid (yes, air is a fluid), a camera, a remote, and an onboard battery. So when [RCLifeOn] got his hands on a cheap used drone, he reckoned that it could
fly ... | 27 | 15 | [
{
"comment_id": "6493835",
"author": "cncFriend",
"timestamp": "2022-07-17T17:43:45",
"content": "Cool attempt. But underwater drones and their problems are not new.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6493840",
"author": "Fred",
"timestamp"... | 1,760,372,626.935924 | ||
https://hackaday.com/2022/07/17/beautiful-inductors-now-not-such-a-lost-art/ | Beautiful Inductors, Now Not Such A Lost Art | Jenny List | [
"Radio Hacks",
"Tool Hacks"
] | [
"coil",
"coil winder",
"inductor"
] | As ferrite technology has progressed into a mastery of magnetic permeability, the size of inductors has gone down to the point at which they are now fairly nondescript components. There was a time though when inductors could be beautiful creations of interleaving layers of copper wire in large air-cored inductors, achi... | 12 | 6 | [
{
"comment_id": "6493559",
"author": "mime",
"timestamp": "2022-07-17T14:12:45",
"content": "Nice find Jenny, and the hackadayI/O page contains some nice background. The yt video on his channel has some mesmarising footage. I couldn’t work out the relevance of the 78 degrees the author is on about. ... | 1,760,372,626.820085 | ||
https://hackaday.com/2022/07/18/hacker-liberates-hyundai-head-unit-writes-custom-apps/ | Hacker Liberates Hyundai Head Unit, Writes Custom Apps | Arya Voronova | [
"car hacks",
"Linux Hacks",
"Reverse Engineering",
"Security Hacks"
] | [
"car hacking",
"Embedded Linux",
"hyundai",
"infotainment",
"Kia",
"root",
"serial port"
] | [greenluigi1] bought a Hyundai Ioniq car, and then, to our astonishment,
absolutely demolished
the Linux-based head unit firmware. By that, we mean that he
bypassed
all of the firmware update authentication mechanisms, reverse-engineered the firmware updates, and
created subversive update files
that gave him a root she... | 39 | 13 | [
{
"comment_id": "6494697",
"author": "Oliver",
"timestamp": "2022-07-18T23:42:16",
"content": "Liberation projects always make mMe happy. I’m curious though, do they not use secure-boot and dm-verity?The world is slowly locking us out because signing and fusing keys has become so easy ... which will... | 1,760,372,627.358747 | ||
https://hackaday.com/2022/07/18/ortur-laser-will-go-open-source/ | Ortur Laser Will Go Open-Source | Elliot Williams | [
"Laser Hacks",
"News"
] | [
"grbl",
"open source",
"ortur",
"software"
] | Well, that was fast! Last week,
we wrote about a video
by [Norbert Heinz] where he called out the Ortur laser engravers for apparently using the GPL-licensed
grbl
firmware without providing the source code and their modifications to it, as required by the license. Because open source and
grbl
are dear to our hearts and... | 74 | 23 | [
{
"comment_id": "6494530",
"author": "fiddlingjunky",
"timestamp": "2022-07-18T20:12:45",
"content": "I mean, in the comments it seems that they don’t have experience making a repository. Makes me wonder what their version control and deployment looks like.To be honest, this should be pretty simple,... | 1,760,372,627.598097 | ||
https://hackaday.com/2022/07/18/how-to-become-a-lego-submariner/ | How To Become A Lego Submariner | Jenny List | [
"Toy Hacks"
] | [
"lego",
"lego submarine",
"submarine"
] | A submarine is by necessity a complex and safety-critical machine, but the principle upon which it depends is quite simple. The buoyancy is variable by means of pumping water in and out of tanks, allowing the craft to control the depth at which it sits. The [Brick Experiment Channel] has
a series of posts describing in... | 7 | 4 | [
{
"comment_id": "6494518",
"author": "craig",
"timestamp": "2022-07-18T19:48:54",
"content": "This is such an awesome project. I’ve thought a lot about how to eliminate through-hull mounting using neodymium magnets and this is a very good implementation. Simple too. For RC military subs I was thinl... | 1,760,372,627.739156 | ||
https://hackaday.com/2022/07/18/quick-hack-the-phone-to-stream-deck-conversion/ | Quick Hack: The Phone To Stream Deck Conversion | Al Williams | [
"Android Hacks",
"iphone hacks",
"Linux Hacks"
] | [
"android",
"iphone",
"linux",
"stream deck",
"windows"
] | What do you do with those old Android or iPhone phones and tablets? You have plenty of options, but it is pretty easy to build your own stream deck with a little off-the-shelf software. What’s a stream deck, you ask? The name comes from its use as a controller for a live-streaming setup, but essentially, it’s an LCD to... | 8 | 4 | [
{
"comment_id": "6494451",
"author": "Judy",
"timestamp": "2022-07-18T17:15:09",
"content": "Snap, “fixing” problems once again.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6494466",
"author": "Jonathan Bennett",
"timestamp": "2022-07-18T17:53:44",
... | 1,760,372,627.795687 | ||
https://hackaday.com/2022/07/18/the-2022-hackaday-supercon-is-on-and-the-call-for-proposals-is-open/ | The 2022 Hackaday Supercon Is On! And The Call For Proposals Is Open | Elliot Williams | [
"cons",
"Hackaday Columns",
"News",
"Slider"
] | [
"2022 Hackaday Prize",
"2022 Hackaday Supercon",
"call for proposals"
] | After two years in remote mode, we’re very excited to announce that this year’s Hackaday Supercon will be coming back, live! Join us Nov. 4th, 5th, and 6th in sunny Pasadena, CA for three days of hacks, talks, and socializing with the Hackaday community. And we’d love to see and hear in person what you’ve been up to fo... | 42 | 15 | [
{
"comment_id": "6494399",
"author": "Elliot Williams",
"timestamp": "2022-07-18T15:52:03",
"content": "Try now?Works for me :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6494412",
"author": "Cprossu",
"timestamp": "2022-07-18T16:09:07",
... | 1,760,372,627.691684 | ||
https://hackaday.com/2022/07/18/trucks-could-soon-run-on-electrified-highways/ | Trucks Could Soon Run On Electrified Highways | Lewin Day | [
"Featured",
"Interest",
"Original Art",
"Transportation Hacks"
] | [
"ehighway",
"electric truck",
"electric trucks",
"pantograph",
"truck",
"trucks"
] | Electric vehicles make for cleaner transport. However, they’re hung up by the limited range available from batteries. Long recharge times further compound the issue.
These issues are exacerbated when it comes to trucks hauling heavy goods. More payload means more weight, which means less range, or more batteries, which... | 180 | 26 | [
{
"comment_id": "6494347",
"author": "Tyler August",
"timestamp": "2022-07-18T14:16:04",
"content": "” It uses the same concept as the trolleybus of the 19th century”More accurate: it uses the same concept as the trolleytruck from the 19th century. An old idea, but a good one.",
"parent_id": nul... | 1,760,372,628.116861 | ||
https://hackaday.com/2022/07/18/an-impeccably-documented-word-clock-in-dutch/ | An Impeccably Documented Word Clock In Dutch | Arya Voronova | [
"clock hacks",
"how-to"
] | [
"addressable led",
"addressable leds",
"dual extrusion",
"dutch",
"neopixel",
"word clock"
] | [Maarten Pennings] shares
a word clock project
– but not the regular kind. For a start, this clock is a shining demonstration of hobbyist-available 3D printing technologies, with embedded light guides for the letters printed in transparent filament, thanks to a dual-extruder printer. For a word clock, it’s surprisingly... | 8 | 3 | [
{
"comment_id": "6494315",
"author": "mime",
"timestamp": "2022-07-18T11:32:49",
"content": "yup I agree that’s a well documented project",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6494331",
"author": "Iván Stepaniuk",
"timestamp": "2022-07-18T12:5... | 1,760,372,627.846297 | ||
https://hackaday.com/2022/07/16/fighting-the-good-fight/ | Fighting The Good Fight | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"gpl",
"ortur",
"software"
] | We here at Hackaday are super-duper proponents of open source. Software, hardware, or firmware, we like to be able to see it, learn from it, modify it, and make it ourselves. Some of this is self-serving because when we can’t
see
how it was done, we can’t
show
you how it’s done. But it’s also from a deeper place than t... | 21 | 8 | [
{
"comment_id": "6493169",
"author": "Swehack",
"timestamp": "2022-07-16T14:17:47",
"content": "Totally agree. Well written.Third sentence should probably read:Some of this is self-serving because when we can’t see HOW it was done, we can’t show you how it’s done",
"parent_id": null,
"depth"... | 1,760,372,628.173259 | ||
https://hackaday.com/2022/07/16/impatience-is-a-virtue-when-testing-this-old-maritime-teleprinter/ | Impatience Is A Virtue When Testing This Old Maritime Teleprinter | Dan Maloney | [
"Radio Hacks"
] | [
"AMTOR",
"arduino",
"CCIR 476",
"FSK",
"function generator",
"modulation",
"NAVTEX",
"SITOR",
"SOLAS"
] | [Larry Wall], inventor of Perl, once famously said that programmers have three key virtues: sloth, hubris, and impatience. It’s safe to say that these personality quirks are also present in some measure in most hardware hackers, too, with impatience being perhaps the prime driver of great hacks. Life’s too short to wai... | 1 | 1 | [
{
"comment_id": "6512686",
"author": "Nick",
"timestamp": "2022-09-14T09:46:07",
"content": "This is why I read Hackaday. Great work.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,627.885084 | ||
https://hackaday.com/2022/07/16/looking-at-fortran-in-100-seconds/ | Looking At Fortran In 100 Seconds | Al Williams | [
"Retrocomputing",
"Software Development"
] | [
"FORTRAN",
"retrocomputing"
] | Usually, when we are talking about old computers, we are thinking of BASIC interpreters. But [Fireship] reminds us that it was originally Fortran and promises to give you
the essentials in 100 seconds
. We didn’t think you could do much in that short amount of time, but we have to admit that they did a pretty good job.... | 36 | 15 | [
{
"comment_id": "6493124",
"author": "Alan Drury",
"timestamp": "2022-07-16T10:31:17",
"content": "First program I ever wrote was in Fortran. Time to write some more perhaps…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6493131",
"author": "Alex99a",
... | 1,760,372,628.247791 | ||
https://hackaday.com/2022/07/15/got-a-cardboard-box-get-into-food-smoking/ | Got A Cardboard Box? Get Into Food Smoking! | Donald Papp | [
"cooking hacks",
"how-to"
] | [
"cardboard box",
"cold brew",
"diy",
"smoked fish",
"smoked meat",
"smoker"
] | We appreciate a good kitchen hack, and we have always liked TV personality and chef [Alton Brown]’s McGuyver-ish approach to these things. So for anyone who hasn’t seen it, let’s take a moment to highlight
how to make (and use) Alton Brown’s Cardboard Box Smoker
.
[Alton] himself confesses that over the years it has re... | 17 | 8 | [
{
"comment_id": "6493105",
"author": "John",
"timestamp": "2022-07-16T07:19:57",
"content": "Ooh, I’ve done the flowerpot smoker before. Works great! Delish!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6493111",
"author": "Thomas Anderson",
"timesta... | 1,760,372,628.302099 | ||
https://hackaday.com/2022/07/15/liquid-piston-engine-finally-works/ | Liquid Piston Engine Finally Works | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"engine",
"liquid piston",
"piston engine"
] | The first video from [3DPrintedLife] attempting to make a liquid piston engine was… well… the operative word is attempting. The latest video, though, which you can see below
gets it right
, at least eventually.. He has a good explanation of the changes that made the design better. Turns out, one change that made a diff... | 7 | 4 | [
{
"comment_id": "6493082",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-07-16T02:07:43",
"content": "A prony brake as a dynometer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6493108",
"author": "hackaday.inputoutput",
"times... | 1,760,372,628.341342 | ||
https://hackaday.com/2022/07/15/stratum-1-grandmaster-time-server-on-a-budget/ | Stratum 1 Grandmaster Time Server On A Budget | Chris Lott | [
"Network Hacks",
"Raspberry Pi",
"Tech Hacks"
] | [
"cm4",
"IEEE-1588",
"ntp",
"precision timekeeping",
"PTP"
] | [Jeff Geerling] has been following the various open source time projects for some time now, and
is finally able to demonstrate a working and affordable solution for nanoseconds-accurate timekeeping in your local lab
. The possibility of a low-cost time server came about with the introduction of the Raspberry Pi CM4 com... | 20 | 11 | [
{
"comment_id": "6493050",
"author": "Pat",
"timestamp": "2022-07-15T23:40:56",
"content": "I wonder if those small-scale rubidium clocks have gotten any more reliable. Bought bunches when they first came out – had the orders delayed and had to waiver out specs as the company walked back performance... | 1,760,372,628.529091 | ||
https://hackaday.com/2022/07/15/collaborative-effort-gets-laser-galvos-talking-g-code/ | Collaborative Effort Gets Laser Galvos Talking G-Code | Dan Maloney | [
"Laser Hacks"
] | [
"carbon dioxide",
"co2",
"driver",
"engraver",
"g-code",
"galvanometer",
"galvo",
"laser",
"Teensy",
"XY2-100"
] | Everyone should know by now that we love to follow up on projects when they make progress. It’s great to be able to celebrate accomplishments and see how a project has changed over time. But it’s especially great to highlight a project that not only progresses, but also gives back a little to the community.
That’s what... | 9 | 5 | [
{
"comment_id": "6493020",
"author": "doobie",
"timestamp": "2022-07-15T20:27:02",
"content": "I did this for the fsl pegasus touch 3d printer years ago.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6493022",
"author": "Bootdsc",
"timestamp": "2022-0... | 1,760,372,628.388413 | ||
https://hackaday.com/2022/07/14/homebrew-stream-deck-pedal-emulates-the-real-thing/ | Homebrew Stream Deck Pedal Emulates The Real Thing | Lewin Day | [
"Misc Hacks"
] | [
"Elgato",
"elgato stream deck",
"foot pedal",
"foot switch",
"footswitch",
"macro",
"stream deck"
] | Pedals are a great way to control functions on your computer. You’re rarely using your feet for anything else, so they can handle some tasks, freeing up your hands.
This Elgato Stream Deck controller from [DDRBoxman] does just that.
[DDRBoxman] wanted to control Elgato Stream Deck much like the offical pedal sold by th... | 5 | 3 | [
{
"comment_id": "6492791",
"author": "Then",
"timestamp": "2022-07-15T09:45:53",
"content": "Why did I read Steam Deck",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6492808",
"author": "Ostracus",
"timestamp": "2022-07-15T11:55:53",
... | 1,760,372,628.843794 | ||
https://hackaday.com/2022/07/14/visual-cryptography-for-physical-keyrings/ | Visual Cryptography For Physical Keyrings | Dave Rowntree | [
"Misc Hacks"
] | [
"cryptography",
"laser cut",
"visual"
] | Visual cryptography is one of those unusual cases that kind of looks like a good idea, but it turns out is fraught with problems. The idea is straightforward enough — an image to encrypt is sampled and a series of sub-pixel patterns are produced which are distributed to multiple separate images. When individual images ... | 14 | 7 | [
{
"comment_id": "6492727",
"author": "Ezra Thomas",
"timestamp": "2022-07-15T02:18:19",
"content": "Neat! It would be *really* cool if someone could figure out how to make something similar that operated with xor instead of and. Not sure how that would be done, off the top of my head.",
"parent_... | 1,760,372,628.96262 | ||
https://hackaday.com/2022/07/14/this-jet-engine-will-see-you-through/ | This Jet Engine Will See You Through | Matthew Carlson | [
"Engine Hacks"
] | [
"jet engine",
"warped perception"
] | Have you ever wished you could peer inside a complex machine while it was still running? We sort of can with simulations and the CAD tools we have today, but it isn’t the same as doing IRL. [Warped Perception] made a
see-thru jet engine to experience the feeling
. The effect, we dare say, is better than any simulation.... | 17 | 7 | [
{
"comment_id": "6492692",
"author": "Gregg Eshelman",
"timestamp": "2022-07-14T23:32:41",
"content": "He needed some ears on the end plates for four axial bolts to keep it from spreading apart and blowing the gaskets out. The way he has the top and bottom plates with the radial bolts can be seen mo... | 1,760,372,629.019923 | ||
https://hackaday.com/2022/07/14/a-linux-business-card-you-can-build/ | A Linux Business Card You Can Build | Al Williams | [
"Linux Hacks"
] | [
"atsamd21",
"business card",
"Embedded Linux",
"linux"
] | It is a sign of the times that one of [Dmitry’s] design criteria for his new
Linux on a business card
is to use parts you can actually find during the current component shortage. The resulting board uses a ATSAMD21 chip and emulates a MIPS machine in order to boot Linux.
We like that in addition to the build details, [... | 22 | 8 | [
{
"comment_id": "6492640",
"author": "IIVQ",
"timestamp": "2022-07-14T20:48:00",
"content": "This is the second “Microcontroller emulating another CPU to run linux” I’ve seen today.When will we get a rb pico emulating a rb pi (which is business card sized!)?",
"parent_id": null,
"depth": 1,
... | 1,760,372,628.905332 | ||
https://hackaday.com/2022/07/14/apple-airtags-hacked-and-cloned-with-voltage-glitching/ | Apple AirTags Hacked And Cloned With Voltage Glitching | Lewin Day | [
"Misc Hacks"
] | [
"AirTag",
"airtags",
"apple",
"Apple AirTag",
"apple airtags",
"iphone",
"NFC"
] | Apple AirTags are useful little devices. They essentially use iPhones in the wild as a mesh network to tell the owner where the AirTag is. Now, researchers have shown that it’s possible to clone these devices.
The research paper
explains the cloning process, which requires physical access to the hardware. To achieve th... | 34 | 11 | [
{
"comment_id": "6492582",
"author": "Thomas",
"timestamp": "2022-07-14T17:18:22",
"content": "I understand the alerting system, but having had a RZR stolen from me last year, I’d love to have it track without alerting someone that the device is following them. Perhaps I could have gotten my ride b... | 1,760,372,629.106541 | ||
https://hackaday.com/2022/07/14/building-a-better-3d-scanner-with-an-iphone-and-making-art/ | Building A Better 3D Scanner With An IPhone, And Making Art | Lewin Day | [
"iphone hacks"
] | [
"3d scanner",
"iphone",
"model"
] | Apple’s FaceID system uses infrared depth-sensing technology to authenticate people via their faces. It can also be used for simple 3D scanning,
and [Scott Yu-Jan] found a better way to do that.
The main problem with using an iPhone as a 3D scanner in this manner is that the sensor is built into the front side of the d... | 14 | 8 | [
{
"comment_id": "6492578",
"author": "Mike",
"timestamp": "2022-07-14T17:10:04",
"content": "Awesome idea and execution using 3d printing. I really like the results and the available posters and puzzles.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6492579",... | 1,760,372,629.160449 | ||
https://hackaday.com/2022/07/14/chinese-anti-porn-helmet-raises-eyebrows-questions/ | Chinese Anti-Porn Helmet Raises Eyebrows, Questions | Kristina Panos | [
"Artificial Intelligence",
"Current Events",
"Featured",
"Original Art",
"Slider"
] | [
"artifical intelligence",
"censorship",
"porn",
"pornography"
] | Did you know that pornography is completely illegal in China? Probably not surprising news, though, right? The country has already put measures in place to scour the Internet in search of explicit content, mostly using AI. But the government also employs human porn appraisers, called
jian huang shi,
whose job it is to ... | 72 | 29 | [
{
"comment_id": "6492541",
"author": "Rumble_in_the_Jungle",
"timestamp": "2022-07-14T14:26:13",
"content": "Remember once as teenager, I raised eyebrow when my helmet raised.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6492965",
"author": "Consul... | 1,760,372,629.45907 | ||
https://hackaday.com/2022/07/15/a-simple-web-based-wiring-harness-tool/ | A Simple Web-Based Wiring Harness Tool | Dave Rowntree | [
"hardware"
] | [
"cable",
"connectors",
"flask",
"python",
"web assembly",
"wireviz",
"wiring harness"
] | When building electronic assemblies there is quite often the need to construct custom cables to hook things up. It’s all very well if you’re prototyping by hand, or just building one or two of a thing, but if you’re cranking them out using outside help, then you’re going to want to ensure that cable is described very a... | 33 | 17 | [
{
"comment_id": "6493005",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-07-15T19:21:50",
"content": "When I read “wiring harness” my first thought was automotive wiring and wire looms.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "649... | 1,760,372,629.230452 | ||
https://hackaday.com/2022/07/15/helping-secure-amateur-radios-digital-future/ | Helping Secure Amateur Radio’s Digital Future | Tom Nardi | [
"Hackaday Columns",
"Radio Hacks"
] | [
"amateur radio",
"digital radio",
"Hack Chat",
"ham radio"
] | The average person’s perception of a ham radio operator, assuming they even know what that means, is more than likely some graybeard huddled over the knobs of a war-surplus transmitter in the wee small hours of the morning. It’s a mental image that, admittedly, isn’t entirely off the mark in some cases. But it’s also a... | 54 | 17 | [
{
"comment_id": "6492985",
"author": "Michael Black",
"timestamp": "2022-07-15T17:43:07",
"content": "When I was a kid in 1968 or 69, the magazine for Scouting in Canada had anarticle about broadcast band DXing, complete with winding an antenna wire around the radio. Next issue, there was a letter m... | 1,760,372,629.33855 | ||
https://hackaday.com/2022/07/15/hackaday-podcast-177-microscopes-telescopes-telephonoscopes-and-a-keyboardoscope/ | Hackaday Podcast 177: Microscopes, Telescopes, Telephonoscopes, And A Keyboardoscope? | Kristina Panos | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos stood around talking like they weren’t thousands of miles apart. And we mean that literally: Kristina just got an up/down desk, and it turns out that Elliot’s had the exact same one for years.
Kristina’s phone is heavier than yours.
In bet... | 1 | 1 | [
{
"comment_id": "6501856",
"author": "Someone",
"timestamp": "2022-08-10T21:26:21",
"content": "“Direct Download: and burn it to CD-RW”. Nope, but I will download it to my MP3 player. Saves phone battery*, better anonymity on PC than phone, etc.One rechargeable AAA is more than enough for a work day... | 1,760,372,629.506913 | ||
https://hackaday.com/2022/07/15/style-your-tile-with-3d-printed-countertops/ | Style Your Tile With 3D Printed Countertops | Kristina Panos | [
"home hacks"
] | [
"countertop",
"kitchen",
"resin"
] | We’re all familiar with supply chain issues as they relate to chips and DIPs, but anyone who has requested an estimate for home improvements lately knows that the problems extend to things like plywood, and probably tile, marble, and Formica. Faced with adversity when it came to renovating the kitchen,
[3DPC] decided t... | 18 | 7 | [
{
"comment_id": "6492921",
"author": "Steven",
"timestamp": "2022-07-15T15:43:05",
"content": "I am unconvinced anything effects the glossy surface more than the final pour of resin. I really like the idea of printing decorative parts for home projects like this. Imagine instead of printing just squ... | 1,760,372,629.569646 | ||
https://hackaday.com/2022/07/15/this-week-in-security-retbleed-post-quantum-python-atomicwrites-and-the-mysterious-cuteboi/ | This Week In Security: Retbleed, Post-Quantum, Python-atomicwrites, And The Mysterious Cuteboi | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"Cuteboi",
"PyPI",
"Spectre",
"This Week in Security"
] | Yet another entry in the “why we can’t have nice things” category,
Retbleed was announced this week
, as yet another speculative execution vulnerability. This one is mitigated in hardware for AMD’s Zen 3 and Intel Generation 9 and later. For earlier devices
the performance hit in mitigation is quite painful
. What exac... | 11 | 4 | [
{
"comment_id": "6492928",
"author": "BillyG",
"timestamp": "2022-07-15T15:49:04",
"content": "Rocketdyne was falsifying reports, like reporting that they did have a certain piece of security equipment, when it was still in the box.Well… technically they did have it. They just never deployed it. T... | 1,760,372,629.618407 | ||
https://hackaday.com/2022/07/15/watch-out-for-lasercutter-manufacturers-violating-gpl/ | Watch Out For Lasercutter Manufacturers Violating GPL | Arya Voronova | [
"Software Hacks"
] | [
"copyright",
"GNU General Public License",
"gpl",
"grbl",
"legal",
"license",
"ortur",
"software license",
"software licensing"
] | For companies that build equipment like CNC machines or lasercutters, it’s tempting to use open-source software in a lot of areas. After all, it’s stable, featureful, and has typically passed the test of time. But using open-source software is not always without attendant responsibilities. The GPL license requires that... | 84 | 13 | [
{
"comment_id": "6492802",
"author": "JK",
"timestamp": "2022-07-15T11:18:10",
"content": "the only person who can sue to correct a GPL violation is the copyright holder of the code. (In the same way you cant sue someone for manufacturing an illegal spider man toy, unless you own the rights to spid... | 1,760,372,630.135462 | ||
https://hackaday.com/2022/07/15/embedded-dashboard-definitely-displays-data/ | Embedded Dashboard Definitely Displays Data | Lewin Day | [
"Microcontrollers"
] | [
"serial monitor",
"serial terminal",
"status LED"
] | Oftentimes, we’ll find ourselves using an PC attached to a project for serial debugging. Other times, we’ll be squinting at a status LED trying to remember the flash code we invented.
This embedded dashboard from [hgrodriguez]
aims to land somewhere in the middle.
The dashboard features LEDs, several 5×7 matrix display... | 6 | 4 | [
{
"comment_id": "6492785",
"author": "Ale",
"timestamp": "2022-07-15T09:00:59",
"content": "It is programmed in ADA !, that is worth a big mention :), I think.I think he is using this:https://pico-doc.synack.me",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,372,630.183074 | ||
https://hackaday.com/2022/07/17/a-home-made-sewing-machine-may-be-the-only-one/ | A Home Made Sewing Machine May Be The Only One | Jenny List | [
"classic hacks",
"Tool Hacks"
] | [
"sewing",
"sewing machine",
"textiles"
] | The sewing machine is a tool that many of us will have somewhere around our workshop. Concealed within it lies an intricate and fascinating mechanism. Some of us may have peered inside, but very few indeed of us will have gone to the effort of building our own. In case you had ever wondered whether it was possible, [Fr... | 37 | 12 | [
{
"comment_id": "6493492",
"author": "Igor",
"timestamp": "2022-07-17T11:40:34",
"content": "Here are the files of the sewing machine:https://www.thingiverse.com/thing:5427892",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6493502",
"author": "Fraens",
... | 1,760,372,630.266885 | ||
https://hackaday.com/2022/07/17/a-no-calibration-metal-detector/ | A No-Calibration Metal Detector | Jenny List | [
"Arduino Hacks"
] | [
"Ardunio",
"metal detector",
"oscillator"
] | A traditional early project for someone discovering a love for electronics has been for many years a metal detector. This would mean a few transistors back in the day, but today it’s more likely to involve a microcontroller. [Mircemk] has
an example that bends both worlds
, with a single transistor oscillator and an Ar... | 12 | 1 | [
{
"comment_id": "6493608",
"author": "Art Mezins",
"timestamp": "2022-07-17T15:11:05",
"content": "I’ve never tried one, but I wonder if metal detection can be done effectively without an oscillator? Why not have an external frequency source (e.g. a free-running counter output from a micro) drive an... | 1,760,372,629.91796 | ||
https://hackaday.com/2022/07/16/turning-irregular-shapes/ | Turning Irregular Shapes | Anne Ogborn | [
"Misc Hacks",
"News"
] | [
"automotive",
"machining",
"manual machining"
] | In case you’re not closely following Egyptian Machinist YouTube, you may have missed [Hydraulic House]. It’s gotten even harder to find him since he started posting under[بيت الهيدروليك]. Don’t let the Arabic put you off, he delivers it all in pantomime.
A recent drop is “
How To Turn Irregular Shapes On The Lathe
“. ... | 33 | 12 | [
{
"comment_id": "6493456",
"author": "Frankel",
"timestamp": "2022-07-17T08:10:20",
"content": "Why leave the chuck key inside?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6493459",
"author": "Jan",
"timestamp": "2022-07-17T08:18:12",
... | 1,760,372,630.347966 | ||
https://hackaday.com/2022/07/16/neural-network-identifies-insects-outperforming-humans/ | Neural Network Identifies Insects, Outperforming Humans | Arya Voronova | [
"Science"
] | [
"cnn",
"convolutional neural network",
"image recognition",
"insects",
"machine learning",
"neural network",
"taxonomy"
] | There are about one million known species of insects – more than for any other group of living organisms. If you need to determine which species an insect belongs to, things get complicated quick. In fact, for distinguishing between certain kinds of species, you might need a well-trained expert in that species, and exp... | 15 | 6 | [
{
"comment_id": "6493468",
"author": "mime",
"timestamp": "2022-07-17T09:24:27",
"content": "apart from “where’s the hack”, you could substitute any tool into this type of news line. “hand drill outperforms humans in drilling holes”. “Car outperforms humans in covering distance in most conditions”.T... | 1,760,372,630.579991 | ||
https://hackaday.com/2022/07/16/restoring-5-busted-synthesizer-made-easy-thanks-to-thermal/ | Restoring $5 Busted Synthesizer Made Easy, Thanks To Thermal | Donald Papp | [
"Musical Hacks",
"Repair Hacks"
] | [
"garage sale",
"repair",
"restoration",
"synthesizer",
"Thermal"
] | [D. Scott Williamson] paid $5 for a Roland JV-30 synthesizer at a garage sale. Score! There was only one catch: it didn’t work and didn’t include the power supply. Luckily,
restoring it was made easier by breaking out a thermal camera
.
As mentioned, the keyboard was missing a 9 VDC power supply (rated 800 mA) with a c... | 19 | 9 | [
{
"comment_id": "6493372",
"author": "Hirudinea",
"timestamp": "2022-07-16T23:39:23",
"content": "Hot Hack!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6493378",
"author": "rpavlik",
"timestamp": "2022-07-16T23:47:24",
"content": "Well that’s pr... | 1,760,372,630.409687 | ||
https://hackaday.com/2022/07/16/riding-the-rails-in-a-literal-sense/ | Riding The Rails, In A Literal Sense | Matthew Carlson | [
"Transportation Hacks"
] | [
"bicycle",
"rail bike",
"railway"
] | Hundreds of miles of railroad tracks are scattered across the US and other countries. Despite how they look, many aren’t abandoned. But in the case of a genuinely abandoned track, having
a railway bike to explore the rail seems quite intriguing
.
[Cam Engineering] lives in central California and wanted to see what life... | 74 | 33 | [
{
"comment_id": "6493321",
"author": "Dorri",
"timestamp": "2022-07-16T20:32:04",
"content": "“Hundreds of miles of railroad tracks are scattered across the US ”Big if true.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6493593",
"author": "rpavlik"... | 1,760,372,630.529787 | ||
https://hackaday.com/2022/07/16/a-look-back-at-the-ussr-computer-industry/ | A Look Back At The USSR Computer Industry | Al Williams | [
"Retrocomputing"
] | [
"eniac",
"retrocomputing",
"USSR",
"vacuum tube computer"
] | According to [Asianometry], in 1986 the Soviet Union had about 10,000 computers. At the same time, the United States had 1.3 million! The USSR was hardly a backward country — they’d launched Sputnik and made many advances in science and mathematics. Why didn’t they have more computers? The story is interesting and you ... | 58 | 14 | [
{
"comment_id": "6493274",
"author": "doobie",
"timestamp": "2022-07-16T17:09:46",
"content": "When you care enough to steal the best…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6493283",
"author": "Ostracus",
"timestamp": "2022-07-16T17:... | 1,760,372,630.749231 | ||
https://hackaday.com/2022/07/12/weed-eater-string-made-from-plastic-bottles/ | Weed Eater String Made From Plastic Bottles | Bryan Cockfield | [
"green hacks"
] | [
"bottle",
"garden",
"hot",
"landscaping",
"plastic",
"recycling",
"spool",
"string trimmer",
"weed whacker"
] | For those who don’t mind constantly adding tiny but measurable amounts of microplastics to their landscaping, string trimmers are an excellent way of maintaining edging around garden beds, trimming weeds, or maintaining ground covers on a steep hill. One problem with them, though, is that not only is the string consuma... | 29 | 13 | [
{
"comment_id": "6492049",
"author": "HaHa",
"timestamp": "2022-07-12T23:16:13",
"content": "My 1950 model ‘ankle’ mower is better.I rate it at about 6th grade (size of ankle it can cut clean through).They made a castrated, modern, safer version. Sickle bar mower. Auto shutoff and other pansy featur... | 1,760,372,630.647951 | ||
https://hackaday.com/2022/07/12/pi-pico-provides-practical-playstation-pointing/ | Pi Pico Provides Practical PlayStation Pointing | Tom Nardi | [
"Peripherals Hacks",
"Playstation Hacks"
] | [
"mouse",
"playstation",
"Raspberry Pi Pico"
] | It’s not immediately clear to us
why
one would need a mouse for the original PlayStation (though we’re sure there’s no shortage of folks eager to jump down into the comments and tell us), but if you ever desire adding improved pointing capabilities to the nearly three decade old console,
this project from [Vojtěch Sala... | 13 | 10 | [
{
"comment_id": "6492010",
"author": "Vibropollo",
"timestamp": "2022-07-12T20:27:16",
"content": "For the list of psx’s mouse games compatibilityhttps://en.m.wikipedia.org/wiki/PlayStation_Mouse",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6492136",
... | 1,760,372,630.806996 | ||
https://hackaday.com/2022/07/12/hackable-oshw-cardclock-demands-attention/ | Hackable OSHW CardClock Demands Attention | Ryan Flowers | [
"clock hacks",
"LED Hacks"
] | [
"ESP8266",
"open hardware",
"real time clock"
] | When examining a project, it’s easy to be jaded by a raw parts list. When the main component is an ESP8266, we might say “oh, another 8266 project.
yawn!”
But we’re certain that when you take a look at [Will Fox]’s
Foxie CardClock
, it’ll surely grab your attention.
As if all those beautiful LEDs weren’t enough, the re... | 12 | 5 | [
{
"comment_id": "6492019",
"author": "IIVQ",
"timestamp": "2022-07-12T21:00:01",
"content": "The “setting time manually” is a nice touch. I prefer to have my bedside alarm clock 7 minutes ahead, because high-minute alarms are annoying and if I put the alarm at 8:00 I’ll miss the news.My old philips ... | 1,760,372,630.864657 | ||
https://hackaday.com/2022/07/12/airbus-a380-completes-flight-powered-by-cooking-oil/ | Airbus A380 Completes Flight Powered By Cooking Oil | Lewin Day | [
"Hackaday Columns",
"Slider",
"Transportation Hacks"
] | [
"aviation",
"biofuel",
"flight",
"saf",
"saf fuel",
"sustainable aviation fuel",
"sustainable hacks"
] | Fossil fuels are making news for all the wrong reasons of late. Whether it’s their contribution to global climate change or the fact that the price and supply hinges on violent geopolitics, there are more reasons than ever to shift to cleaner energy sources.
In the world of aviation, that means finding a cleaner source... | 79 | 21 | [
{
"comment_id": "6491965",
"author": "Ace Inick",
"timestamp": "2022-07-12T17:18:51",
"content": "Greenwashing at its finest:“The current collectable volume of UCO within Europe from both restaurants and households theoretically allows a SAF production of about 1 million tonnes per year [50], which ... | 1,760,372,631.145781 | ||
https://hackaday.com/2022/07/12/a-handy-tester-for-a-mountain-of-ps-2-keybords/ | A Handy Tester For A Mountain Of PS/2 Keybords | Dan Maloney | [
"Arduino Hacks",
"Tool Hacks"
] | [
"arduino",
"keyboard",
"PS/2",
"serial",
"test"
] | The hacking life is not without its challenges, and chief among these is the tendency to always be in acquisition mode. When we come across a great deal on bulk equipment, or see a chance to rescue some obscure gear from the e-waste stream, we generally pounce on it, regardless of the advisability.
We imagine this is w... | 16 | 5 | [
{
"comment_id": "6491945",
"author": "Khai",
"timestamp": "2022-07-12T15:49:49",
"content": "Keybords?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6491960",
"author": "chango",
"timestamp": "2022-07-12T16:40:30",
"content": "Battle... | 1,760,372,630.921491 |
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