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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2023/07/27/a-simple-one-handed-solder-feeder/ | A Simple One-Handed Solder Feeder | Lewin Day | [
"Misc Hacks",
"Tool Hacks"
] | [
"solder",
"soldering",
"tools"
] | Soldering can get frustrating when you’re working fast. It often feels like you don’t have enough hands, particularly on jobs where you need to keep feeding solder in a hurry. To solve that issue,
[mulcmu] developed a simple one-handed solder feeder.
The solder is fed out of the tip by simply dragging it with the thumb... | 46 | 19 | [
{
"comment_id": "6666524",
"author": "wibble",
"timestamp": "2023-07-27T20:18:00",
"content": "eh? I can just hold the solder in one hand and the iron in the other. What on earth does feeding it through a pen add to the equation. Utterly baffled. Reads like an April Fool.",
"parent_id": null,
... | 1,760,372,221.870396 | ||
https://hackaday.com/2023/07/27/magnetic-gearbox-part-2-axial-flux-improves-performance/ | Magnetic Gearbox, Part 2: Axial Flux Improves Performance | Dan Maloney | [
"Parts"
] | [
"axial",
"flux",
"gearbox",
"magent",
"neodymium",
"rotor",
"stator",
"torque"
] | The number of interesting and innovative mechanisms that 3D printing has enabled always fascinates us, and it’s always a treat when one of them shows up in our feeds.
This axial flux magnetic gearbox
is a great example of such a mechanism, and one that really makes you think about possible applications.
The principles ... | 13 | 7 | [
{
"comment_id": "6666559",
"author": "Petter",
"timestamp": "2023-07-27T22:45:21",
"content": "Well have you seen a non 3dprinted one?And it’s sort of in the article that it’s an enabler, you could of course make the same thing with a spoon and a log of wood but it’s simply simpler with 3d printing.... | 1,760,372,222.256473 | ||
https://hackaday.com/2023/07/27/did-tetra-have-a-backdoor-hidden-in-encrypted-police-and-military-radios/ | Did TETRA Have A Backdoor Hidden In Encrypted Police And Military Radios? | Lewin Day | [
"Hackaday Columns",
"Radio Hacks",
"Slider"
] | [
"backdoor",
"radio",
"tetra",
"tetra radio",
"trunked radio"
] | Encrypted communications are considered vital for many organizations, from military users to law enforcement officers. Meanwhile, the ability to listen in on those communications is of great value to groups like intelligence agencies and criminal operators. Thus exists the constant arms race between those developing en... | 42 | 19 | [
{
"comment_id": "6666445",
"author": "irox",
"timestamp": "2023-07-27T17:08:28",
"content": "https://hackaday.com/2023/07/26/serious-vulnerability-in-european-trunked-radio-system/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6668829",
"author": "p... | 1,760,372,222.344997 | ||
https://hackaday.com/2023/07/27/esp32-freezer-alarm-keeps-tabs-on-tricky-door/ | ESP32 Freezer Alarm Keeps Tabs On Tricky Door | Lewin Day | [
"home hacks",
"Microcontrollers"
] | [
"alarm",
"freezer",
"fridge"
] | Leaving your freezer door open accidentally is a great way to make a huge mess in the kitchen. [Guy Dupont] had a freezer that would regularly fail to close properly, and was sick of the regular meltdown events. Thus, he
whipped up a very digital solution.
The build combines an ESP32 with a reed switch, which is activa... | 31 | 14 | [
{
"comment_id": "6666400",
"author": "k-ww",
"timestamp": "2023-07-27T15:48:41",
"content": "Why not use the reed switch to bias a FET off when it is closed, and power up the ESP32 to time out after tow minutes and then send an alarm? That battery should last almost forever thatr way?",
"parent... | 1,760,372,221.787745 | ||
https://hackaday.com/2023/07/28/color-can-triple-qr-code-capacity/ | Color Can Triple QR Code Capacity | Chris Lott | [
"Tech Hacks"
] | [
"bar code",
"Micro QR code",
"qr code",
"rMQR"
] | Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to
successfully triple the number of bits using color
. He chose the new rectangular micro QR code (rMQR) standard which was adopted last year as ISO/IEC 23941:2022. This rectangular-shaped QR code is designed to be used on narrow... | 49 | 22 | [
{
"comment_id": "6666838",
"author": "Jac Goudsmit",
"timestamp": "2023-07-28T18:47:21",
"content": "It should be obvious that it probably makes more sense to use Cyan Magenta and Yellow instead of Red Green Blue for a multicolor code that’s printed on paper.",
"parent_id": null,
"depth": 1,... | 1,760,372,222.433273 | ||
https://hackaday.com/2023/07/28/would-we-recognize-extraterrestrial-technology-if-we-saw-it/ | Would We Recognize Extraterrestrial Technology If We Saw It? | Maya Posch | [
"Featured",
"Science",
"Slider",
"Space"
] | [
"alien",
"extraterrestrial"
] | There’s a common critique in science fiction series like Star Trek about the extraterrestrial species not looking ‘alien’ enough, as well as about their technology being strangely similar to our own, not to mention compatible to the point where their widgets can be integrated into terrestrial systems by any plucky engi... | 92 | 21 | [
{
"comment_id": "6666801",
"author": "schlem",
"timestamp": "2023-07-28T17:29:28",
"content": "I want to believe, but our location in the vast dimensions of time and space are discouraging. Meanwhile, can we teach whales and dolphins to speak to us (or vice versa) How about cephalopods? It might... | 1,760,372,222.006918 | ||
https://hackaday.com/2023/07/28/hackaday-podcast-229-diy-vr-gutting-voice-assistants-and-chatgpt-failing-its-summer-internship/ | Hackaday Podcast 229: DIY VR, Gutting Voice Assistants, And ChatGPT Failing Its Summer Internship | Kristina Panos | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Kristina Panos braved the slight cold and the high heat respectively to bring you the best hacks of the previous seven days. In the news this week:
you’ve got a second and final chance to get your Supercon talk proposals in
! So get on that, because we need YOU to help ma... | 1 | 1 | [
{
"comment_id": "6669452",
"author": "Jim",
"timestamp": "2023-08-04T01:42:53",
"content": "I often say Android is Linux but maybe saying “Android is a user interface for SE Linux” would be more accurate.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,221.718818 | ||
https://hackaday.com/2023/07/28/pizza-elevator-is-the-most-vital-pandemic-technology-of-all/ | Pizza Elevator Is The Most Vital Pandemic Technology Of All | Lewin Day | [
"home hacks"
] | [
"food",
"pandemic",
"Pizza",
"pizza elevator"
] | Remember the darkest days of lockdown and the pandemic? We were trying to distance ourselves from strangers wherever possible. [scealux]’s pizza elevator was spawned at this time to
make apartment pizza deliveries as contactless as possible
, and it’s charmingly branded to boot.
The build was intended to loft a pizza f... | 14 | 8 | [
{
"comment_id": "6666774",
"author": "Twisty Plastic",
"timestamp": "2023-07-28T15:39:11",
"content": "Not “mocking” the branding but honestly curious. Did it get awkward when you tired of having the same pizza and ordered from elsewhere?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,222.106594 | ||
https://hackaday.com/2023/07/28/this-week-in-security-zenbleed-web-integrity-and-more/ | This Week In Security: Zenbleed, Web Integrity, And More! | Jonathan Bennett | [
"Hackaday Columns",
"Security Hacks",
"Slider"
] | [
"This Week in Security",
"ubuntu",
"Zenbleed"
] | Up first is
Zenbleed
, a particularly worrying speculative execution bug, that unfortunately happens to be really simple to exploit. It leaks data from function like
strlen
,
memcpy
, and
strcmp
. It’s vulnerable from within virtual machines, and potentially from within the browser. The scope is fairly limited, though,... | 9 | 4 | [
{
"comment_id": "6666759",
"author": "anonymous",
"timestamp": "2023-07-28T14:34:34",
"content": "> What about desktop and mobile chips? Well unfortunately, those updates aren’t out yet…The mainline linux kernel already sets this “chicken bit”, which mitigates the issue, for any affected Ryzen proce... | 1,760,372,222.05917 | ||
https://hackaday.com/2023/07/28/solar-powered-game-of-life-follows-the-suns-rhythm/ | Solar PoweredGame Of LifeFollows The Sun’s Rhythm | Robin Kearey | [
"Misc Hacks"
] | [
"conways game of life",
"ESP32",
"ESP32 ULP",
"game of life",
"solar cell"
] | Conway’s
Game of Life
is a beautiful example of how complex behavior can emerge from a few very simple rules. But while it uses biological terminology such as “cells”, “alive” and “generation”, the basic game is too simplistic to be a model for any real-world biological process. It’s easy to add features to make it a b... | 6 | 5 | [
{
"comment_id": "6666721",
"author": "70sJukebox",
"timestamp": "2023-07-28T11:37:23",
"content": "Very nice work",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6666734",
"author": "Alex",
"timestamp": "2023-07-28T12:30:21",
"content": "Very elegan... | 1,760,372,221.680998 | ||
https://hackaday.com/2023/07/28/a-deep-dive-on-battery-life/ | A Deep Dive On Battery Life | Bryan Cockfield | [
"Battery Hacks",
"News"
] | [
"battery",
"battery life",
"embedded",
"firmware",
"IoT",
"lithium",
"measurement",
"metrics",
"software",
"testing"
] | There are all kinds of old wives’ tales surrounding proper battery use floating around in the popular culture. Things like needing to fully discharge a battery every so often, unplugging devices when they’re fully charged, or keeping batteries in the fridge are all examples that have some kernel of truth to them but of... | 12 | 3 | [
{
"comment_id": "6666691",
"author": "Elliot Williams",
"timestamp": "2023-07-28T09:02:51",
"content": "Love that a deep-dive in battery performance optimization ends with “everything would be better if it were just plugged into the wall”. :)",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,372,222.528342 | ||
https://hackaday.com/2023/07/26/hackaday-prize-2023-homebrew-spin-coater-makes-micrometer-thin-layers/ | Hackaday Prize 2023: Homebrew Spin Coater Makes Micrometer-Thin Layers | Robin Kearey | [
"Tool Hacks"
] | [
"dc motor controller",
"ESP32",
"laser cut cases",
"spin coat",
"spin coater"
] | One of the great things about the Gearing Up challenge of the 2023 Hackaday Prize is that it lets you discover tools that you don’t encounter every day. We had never given much thought to spin coaters, for example, until we saw
[Jeroen Delcour]’s neat homebrew example
. As it turns out, spin coating has lots of applica... | 11 | 5 | [
{
"comment_id": "6666147",
"author": "NurseBobIsRetired",
"timestamp": "2023-07-26T18:07:39",
"content": "I hope he has access to a good hand surgeon… Seems that the “barrier” is maybe PLA or PETG. If things fly apart, I do wonder about the safety. Aside from that, pretty cool project.",
"parent... | 1,760,372,222.482097 | ||
https://hackaday.com/2023/07/26/adding-two-axes-makes-cnc-router-more-than-the-sum-of-its-parts/ | Adding Two Axes Makes CNC Router More Than The Sum Of Its Parts | Dan Maloney | [
"cnc hacks"
] | [
"5-Axis",
"automation",
"bearing",
"cnc",
"herringbone",
"pitch",
"production",
"rol",
"router",
"spindle"
] | The problem with building automated systems is that it’s hard to look at any problem and not see it in terms of possible automation solutions. Come to think of it, that’s probably less of a bug and more of a feature, but it’s easy to go overboard and automate all the things, which quickly becomes counterproductive in t... | 20 | 5 | [
{
"comment_id": "6666112",
"author": "Gravis",
"timestamp": "2023-07-26T15:58:28",
"content": "*sigh* disappointed it only has more than one axis and not a single axe.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6666173",
"author": "RPM",
... | 1,760,372,222.628547 | ||
https://hackaday.com/2023/07/26/chatgpt-the-worst-summer-intern-ever/ | ChatGPT, The Worst Summer Intern Ever | Dan Maloney | [
"Current Events",
"Featured",
"Interest",
"Original Art",
"Rants",
"Slider"
] | [
"ai",
"ChatGPT",
"freecad",
"intern",
"LLM",
"openscad",
"sheet metal"
] | Back when I used to work in the pharma industry, I had the opportunity to hire summer interns. This was a long time ago, long enough that the fresh-faced college students who applied for the gig are probably now creeping up to retirement age. The idea, as I understood it, was to get someone to help me with my project, ... | 71 | 29 | [
{
"comment_id": "6666092",
"author": "Klaws",
"timestamp": "2023-07-26T14:35:02",
"content": "Simple: ChatGPT has sided with the racoons.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6666113",
"author": "Paul d'Aoust",
"timestamp": "2023-07... | 1,760,372,223.0542 | ||
https://hackaday.com/2023/07/26/serious-vulnerability-in-european-trunked-radio-system/ | Serious Vulnerability In European Trunked Radio System | Bryan Cockfield | [
"Radio Hacks"
] | [
"infrastructure",
"radio",
"SCADA",
"security",
"tetra",
"trunked radio",
"trunking",
"vulnerability"
] | Trunked radio systems can be difficult to wrap one’s mind around, and that’s partially by design. They’re typically used by organizations like police, firefighters, and EMS to share a limited radio frequency band with a much larger number of users than would otherwise be able to operate. From a security standpoint, it ... | 41 | 12 | [
{
"comment_id": "6666044",
"author": "Foo",
"timestamp": "2023-07-26T11:10:37",
"content": "Wired link requires 12ft:https://12ft.io/proxy?&q=https%3A%2F%2Fwww.wired.com%2Fstory%2Ftetra-radio-encryption-backdoor",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6... | 1,760,372,222.711103 | ||
https://hackaday.com/2023/07/26/where-old-files-go-to-die/ | Where Old Files Go To Die | Elliot Williams | [
"Art",
"Software Hacks"
] | [
"art",
"files",
"graveyard"
] | We all lead digital lives, and we work in and on files of one sort or another. And sometimes we get attached to them. That long manifesto you poured your heart into, but nonetheless probably shouldn’t see the light of day? Love letters from former flames? Your first favorite video game that you can’t play any more, but... | 30 | 13 | [
{
"comment_id": "6666018",
"author": "Merser",
"timestamp": "2023-07-26T08:42:40",
"content": "Haha, I still use notepad for like sticky notes. But notepad++ has become a much more awesome replacement.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6666031",
... | 1,760,372,222.886716 | ||
https://hackaday.com/2023/07/25/beautifully-rebuilding-a-vr-headset-to-add-ar-features/ | Beautifully Rebuilding A VR Headset To Add AR Features | Donald Papp | [
"Virtual Reality"
] | [
"3d printed",
"3d scanning",
"ar",
"augmented reality",
"custom",
"hand tracking",
"Quest",
"Stereolabs",
"Ultraleap",
"virtual reality",
"vr"
] | [PyottDesign] recently wrapped up a personal project to create himself a custom AR/VR headset that could function as an AR (augmented reality) platform, and make it easier to develop new applications in a headset that could do everything he needed. He succeeded wonderfully, and published
a video showcase of the finishe... | 12 | 3 | [
{
"comment_id": "6666011",
"author": "ono",
"timestamp": "2023-07-26T07:46:28",
"content": "Can´t wait to see all commuters fitted with such a thing (and some cheap versions with ads). A bright future for dehumanity !",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,372,222.938489 | ||
https://hackaday.com/2023/07/25/no-fish-left-behind/ | No Fish Left Behind | Bryan Cockfield | [
"chemistry hacks"
] | [
"100% fish project",
"biology",
"Chemistry",
"fish",
"fisheries",
"graft",
"Iceland",
"skin",
"waste"
] | For hundreds of years, Icelanders have relied on the ocean for survival. This is perhaps not surprising as it’s an isolated island surrounded by ocean near the Arctic circle. But as the oceans warm and fisheries continue to be harvested unsustainably, Iceland has been looking for a way to make sure that the fish they d... | 25 | 7 | [
{
"comment_id": "6665966",
"author": "echodelta",
"timestamp": "2023-07-26T02:22:08",
"content": "Title should be no parts of fished fish left behind. No fish left… scary.Fish heads fish heads, eat ’em up yum.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6... | 1,760,372,222.819543 | ||
https://hackaday.com/2023/07/25/486-gets-animated-turbo-button-thanks-to-arduino/ | 486 Gets Animated Turbo Button Thanks To Arduino | Tom Nardi | [
"Arduino Hacks",
"Retrocomputing"
] | [
"486",
"arduino pro mini",
"turbo button"
] | There was a point in time, excruciatingly brief, in which desktop computers often had a large “TURBO” button on their front panel. Some even featured an LED display that would indicate the current CPU frequency, providing visual conformation that your machine had leaped to a blistering 66 MHz.
The 486 that [someyob] is... | 27 | 6 | [
{
"comment_id": "6665942",
"author": "Piecutter",
"timestamp": "2023-07-25T23:26:12",
"content": "Pedantic comments regarding LCD vs LED, begin here.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6665946",
"author": "TG",
"timestamp": "2023-... | 1,760,372,223.116819 | ||
https://hackaday.com/2023/07/25/debian-officially-adds-risc-v-support/ | Debian Officially Adds RISC-V Support | Bryan Cockfield | [
"Linux Hacks"
] | [
"architecture",
"arm",
"debian",
"debian 13",
"linux",
"RISC-V",
"trixie"
] | As time goes on, more and more computer manufacturers are moving towards the ARM architecture and away from the bloated and outdated x86 instruction set. Apple is the most prominent producer to take this step, but plenty others are using ARM for its flexibility and efficiency. The only problem with ARM is that it’s lic... | 21 | 5 | [
{
"comment_id": "6665899",
"author": "Truth",
"timestamp": "2023-07-25T20:13:48",
"content": "Looking at the history of official Debian releases, Version 13, codename “Trixie” will be sometime during summertime 2025. Lots of time to get everything in good order. Hopefully on a shiny new longterm Lin... | 1,760,372,223.174365 | ||
https://hackaday.com/2023/07/25/car-security-system-monitors-tiny-voltage-fluctuations/ | Car Security System Monitors Tiny Voltage Fluctuations | Bryan Cockfield | [
"Security Hacks",
"Transportation Hacks"
] | [
"can-bus",
"car",
"security",
"vehicle",
"voltage",
"voltage drop",
"voltage sag"
] | As the old saying goes, there’s no such thing as a lock that can’t be picked. However, it seems like there are plenty of examples of car manufacturers that refuse to add these metaphorical locks to their cars at all — especially when it comes to securing the electronic systems of vehicles. Plenty of modern cars are ess... | 43 | 17 | [
{
"comment_id": "6665874",
"author": "KD9KCK",
"timestamp": "2023-07-25T19:02:34",
"content": "This makes me think of stories my dad told be about wiring stuff up so you have to have say an annoying back blower (that had a rear HVAC thing) on to start the van, as a security measure, since a random t... | 1,760,372,223.414713 | ||
https://hackaday.com/2023/07/25/retrotechtacular-the-computer-center-of-1973/ | Retrotechtacular: The Computer Center Of 1973 | Al Williams | [
"Retrotechtacular",
"Slider"
] | [
"bell labs",
"ibm",
"IBM 370"
] | You might expect Bell Labs would have state-of-the-art computers, and they did. But it is jarring to realize just how little that was in 1973, fifty years ago. If you started work at Bell’s Holmdel Computing Center back then, you might have
watched one of the orientation videos below
. Your first clue about how far thi... | 35 | 10 | [
{
"comment_id": "6665868",
"author": "Simon",
"timestamp": "2023-07-25T18:13:24",
"content": "Ha, they have a pinup girl taped to the main console, probably wouldn’t make it into the industrial promo film these days.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,372,223.339177 | ||
https://hackaday.com/2023/07/25/procrastinators-rejoice-2023-supercon-call-for-participation-extended/ | Procrastinators Rejoice! 2023 Supercon Call For Participation Extended | Elliot Williams | [
"cons",
"News"
] | [
"2023 Hackaday Supercon",
"2023 Hackaday Superconference",
"call for participation"
] | When we closed the official Call for Participation for both workshops and talks last week, a good handful of folks wrote to us and asked if they could slip their presentation application in after the deadline. Who are we to say “no” to potential presenters? We want to see all the ideas!
We’re officially extending the
C... | 4 | 3 | [
{
"comment_id": "6667544",
"author": "aquahoodch",
"timestamp": "2023-07-30T18:23:14",
"content": "Can you have an International Supercon as you must be aware that 1. As Hackers / Makers / Tinkers m, we don’t have much money. 2. The United States only makes up a portion of your readers, supporter, l... | 1,760,372,223.461777 | ||
https://hackaday.com/2023/07/25/tivoli-teardown-disappoints/ | Tivoli Teardown Disappoints | Chris Lott | [
"home entertainment hacks",
"Radio Hacks"
] | [
"fm radio",
"Model One",
"teardown",
"Tivoli"
] | [Fran] has been curious about the innards of Tivoli Audio’s Model One radio, but was reluctant to shell out $200 just to tear it apart. But she found one recently on eBay, won the auction, and
proceeded to do a review and teardown
. Spoiler alert, she was disappointed.
Physically speaking, the radio looks great and has... | 32 | 16 | [
{
"comment_id": "6665837",
"author": "Andre Bryx",
"timestamp": "2023-07-25T15:52:25",
"content": "The hyped and overpriced “Tivoli” is nothing more than a bad designed over 20 yr old 08/15 Receiver on the cheapest way. They´re nothing worth the prices are called today.So many of my small cheap Germ... | 1,760,372,223.53364 | ||
https://hackaday.com/2023/07/25/pcie-for-hackers-our-m-2-card-is-done/ | PCIe For Hackers: Our M.2 Card Is Done | Arya Voronova | [
"Featured",
"News",
"Skills",
"Slider"
] | [
"layout",
"PCB design",
"PCIe",
"routing"
] | We’ve
started designing a PCIe card last week
, an adapter from M.2 E-key to E-key, that adds an extra link to the E-key slot it carries – useful for fully utilizing a few rare but fancy E-key cards. By now, the schematic is done, the component placement has been figured out, and we only need to route the differential ... | 18 | 14 | [
{
"comment_id": "6665816",
"author": "ftg",
"timestamp": "2023-07-25T14:31:23",
"content": "Both of these PCIe and m.2 article series have been excellent.This has given some new motivation to revisit some old project ideas that involve one or the other.",
"parent_id": null,
"depth": 1,
"... | 1,760,372,223.591948 | ||
https://hackaday.com/2023/07/25/selectric-typewriter-goes-from-trash-can-to-linux-terminal/ | Selectric Typewriter Goes From Trash Can To Linux Terminal | Dan Maloney | [
"Retrocomputing"
] | [
"ibm",
"interposer",
"linux",
"rs-232",
"Selectric",
"solenoid",
"teletype",
"terminal",
"tty",
"whiffletree"
] | If there’s only lesson to be learned from [alnwlsn]’s
conversion of an IBM Selectric typewriter into a serial terminal for Linux
, it’s that we’ve been hanging around the wrong garbage cans. Because that’s where he found the donor machine for this project, and it wasn’t even the first one he’s come across in the trash.... | 20 | 12 | [
{
"comment_id": "6665765",
"author": "Antron Argaiv",
"timestamp": "2023-07-25T11:16:55",
"content": "We used to have the “official” version of these – the IBM 2741 terminal – when I was at school. They were always down. Apparently, the mechanism wasn’t up to taking the abuse that college kids whose... | 1,760,372,223.694449 | ||
https://hackaday.com/2023/07/25/grab-your-scopes-screen-from-the-command-line/ | Grab Your ‘Scope’s Screen From The Command Line | Jenny List | [
"computer hacks",
"Software Hacks"
] | [
"computer controlled",
"oscilloscope",
"serial port"
] | Many of us have oscilloscopes and other instruments with built-in digital interfaces, but how many of us use them? [Andrej Radović] has a Tektronix TDS2022 which can print its screen to any of its various interfaces,
and he set about automating the process of acquisition with a Bash script
.
The easiest interface to us... | 9 | 7 | [
{
"comment_id": "6665772",
"author": "ardencaple",
"timestamp": "2023-07-25T11:58:20",
"content": "If you have a VISA or LXI based scope, then the chances are that the excellent LXI Tools (https://github.com/lxi-tools/lxi-tools) already have you covered.I use the CLI tools a lot to debug VISA instru... | 1,760,372,223.637964 | ||
https://hackaday.com/2023/07/24/restoring-the-cheapest-trs-80-at-the-swap-meet/ | Restoring The Cheapest TRS-80 At The Swap Meet | Tom Nardi | [
"Repair Hacks",
"Retrocomputing"
] | [
"swap meet",
"trs-80",
"Vintage Computer Federation"
] | We don’t know if you’ve looked into it recently, but the prices for vintage computers are through the roof right now. These classic machines are going through something of a renaissance at the moment, with even relatively commonplace computers commanding several hundred dollars if they’re in good condition. For those l... | 20 | 12 | [
{
"comment_id": "6665714",
"author": "Ostracus",
"timestamp": "2023-07-25T05:40:48",
"content": "Nostalgia is a powerful thing.https://www.youtube.com/@RecollectionRoad",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6665747",
"author": "TG",
... | 1,760,372,223.802212 | ||
https://hackaday.com/2023/07/24/doom-on-iphone-os-on-android/ | DOOMOn IPhone OS, On Android | Elliot Williams | [
"Android Hacks",
"Software Hacks"
] | [
"android",
"doom",
"emulation",
"ios"
] | So you want to play some games from the early days of 32-bit iPhone OS that no longer run on recent OS versions? [Hikari-no-yume] wrote a sweet high-level emulator, touchHLE, to do so on modern iOS phones. But maybe you don’t have an iPhone? [Ciciplusplus] has your back.
He ported the iPhone OS emulator, written in Rus... | 7 | 6 | [
{
"comment_id": "6665697",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-25T02:37:26",
"content": "Interesting video!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6665708",
"author": "Misterlaneous",
"timestamp": "2023-07-25T... | 1,760,372,223.734383 | ||
https://hackaday.com/2023/07/24/2023-hackaday-prize-a-smart-powermeter-that-you-actually-want/ | 2023 Hackaday Prize: A Smart Powermeter That You Actually Want | Elliot Williams | [
"classic hacks",
"contests"
] | [
"2023 Hackaday Prize",
"current sensing",
"esphome",
"green hacks",
"home automation",
"power management"
] | [Jon] wanted to
keep track of his home power use
, but didn’t want to have to push his data up to some cloud service that’s just going to leave him high and dry in the future. So he went completely DIY.
This simple and sweet build is now in its third revision, and the refinements show. A first prototype was nothing mor... | 19 | 9 | [
{
"comment_id": "6665667",
"author": "ian 42",
"timestamp": "2023-07-24T23:04:10",
"content": "with the original post a few days ago – with comments – herehttps://hackaday.com/2023/07/20/smart-powermeter-uses-e-paper-display/Must be a slow news day at HaD",
"parent_id": null,
"depth": 1,
... | 1,760,372,223.956749 | ||
https://hackaday.com/2023/07/24/nail-meet-kicad/ | Nail, Meet KiCad | Matthew Carlson | [
"PCB Hacks"
] | [
"KiCAD",
"pcb",
"repair"
] | You know the old saying. When all you have open is KiCad, everything looks like a PCB. That was certainly true for [Evan], who needed to replace a small part recently and
turned to PCBs to get the job done
.
The part in question was a sheered apart detent cam from a retractable cord reel. Glue and epoxy might have work... | 25 | 10 | [
{
"comment_id": "6665622",
"author": "Jeff",
"timestamp": "2023-07-24T20:25:12",
"content": "Good job getting the job done. I would have just stuck with 3D printed PLA or PETG, though. If a straight printed part didn’t hold up, I would try printing it at 100% infill and then remelt it in packed salt... | 1,760,372,224.020373 | ||
https://hackaday.com/2023/07/24/text-to-speech-model-can-do-music-background-noises-and-sound-effects/ | Text-to-Speech Model Can Do Music, Background Noises, And Sound Effects | Donald Papp | [
"Artificial Intelligence",
"Software Hacks"
] | [
"ai",
"generative",
"LLM",
"text to speech",
"tts"
] | Bark
is a universal text-to-audio model that can not only create realistic speech, it can incorporate music, background noises, and sound effects. It can even include non-speech sounds like laughter, sighs, throat clearings, and similar elements. But despite the fact that it can deliver such complex results, it’s impor... | 8 | 5 | [
{
"comment_id": "6665599",
"author": "Robert Chadwick",
"timestamp": "2023-07-24T18:55:44",
"content": "Perfect for robotic telemarketers that sound more and more like real people.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6665609",
"author": "T... | 1,760,372,224.073504 | ||
https://hackaday.com/2023/07/24/retro-gadgets-the-real-desktop-computer/ | Retro Gadgets: The Real Desktop Computer | Al Williams | [
"Hackaday Columns",
"Retrocomputing",
"Slider"
] | [
"8080",
"noval",
"retrocomputing"
] | People argue about the first use of the computer desktop metaphor. Apple claims it. Xerox probably started it. Yet, when I think of computer desktops, I think of the NOVAL 760. Not a household name, to be sure, but a big ad spread in a June 1977 Byte magazine was proud to introduce it. At $2995, we doubt many were sold... | 27 | 15 | [
{
"comment_id": "6665585",
"author": "hartl",
"timestamp": "2023-07-24T17:50:39",
"content": "This is a silly construction, the desk cannot be closed if there’s anything connected to the expansion ports on the left.btw, better pictures can be found here:https://archive.org/details/byte-magazine-1977... | 1,760,372,224.295587 | ||
https://hackaday.com/2023/07/24/circuitpython-happenings-hack-chat-with-adafruit/ | CircuitPython Happenings Hack Chat With Adafruit | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, July 26 at noon Pacific for the
CircuitPython Happenings Hack Chat
with The folks from Adafruit!
It’s always a party when the good folks from Adafruit stop by the Hack Chat, and we expect no less than that this time around. It’s hard to predict where the conversation will go when [LadyAda], [pt], ... | 29 | 14 | [
{
"comment_id": "6665632",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-24T20:53:29",
"content": "You mean pink hair?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6665642",
"author": "Andrew",
"timestamp": "2023-07-24T21:23:... | 1,760,372,224.227344 | ||
https://hackaday.com/2023/07/24/a-vintage-transistor-radio-gets-a-repair/ | A Vintage Transistor Radio Gets A Repair | Jenny List | [
"Radio Hacks"
] | [
"am radio",
"radio repair",
"transistor radio"
] | Here in 2023 the field of electronics covers a breathtaking variety of devices and applications, but if we were to go back in time far enough we’d enter an age in which computers were few and far between, and any automated control systems would have been electromechanical at best. Back in the 1950s the semiconductor in... | 19 | 8 | [
{
"comment_id": "6665565",
"author": "VCSMaster",
"timestamp": "2023-07-24T16:42:26",
"content": "I love Shango’s videos, especially the TV resurrections. I highly recommend watching a few, if you have any interest in real diagnosis and repair.",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,372,224.162663 | ||
https://hackaday.com/2023/07/24/displayport-tapping-the-altmode/ | DisplayPort: Tapping The Altmode | Arya Voronova | [
"Engineering",
"Featured",
"News",
"Skills",
"Slider"
] | [
"displayport",
"reverse engineering",
"USB C"
] | Really, the most modern implementation of DisplayPort is the USB-C DisplayPort altmode, synonymous with “video over USB-C”, and we’d miss out if I were to skip it. Incidentally, our
last
two
articles about talking USB-PD have given a few people a cool new toy to play with – people have commented on the articles, reache... | 11 | 7 | [
{
"comment_id": "6665554",
"author": "Ostracus",
"timestamp": "2023-07-24T15:56:52",
"content": "I imagine funding of their operation is why there’s a hefty price-tag.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6665571",
"author": "Arya Voronova"... | 1,760,372,224.444421 | ||
https://hackaday.com/2023/07/24/hp1973-project-highlights-workings-of-hp-45-calculator/ | HP1973 Project Highlights Workings Of HP-45 Calculator | Chris Lott | [
"Retrocomputing"
] | [
"calculator",
"debugger",
"emulator",
"hp-35",
"HP-45",
"rom"
] | [Sarah K Marr] dabbles in retrocomputing and has a fascination with the Hewlett Packard HP-45 calculator, the second calculator in HP’s series introduced in 1973. Over a year ago, she wrote an HP-45 emulator for use on a terminal, dubbed HP45TERM. Not content with success, she upped the challenge and decided to build a... | 3 | 1 | [
{
"comment_id": "6665516",
"author": "Ostracus",
"timestamp": "2023-07-24T13:16:52",
"content": "Any decapping of the Saturn CPU?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6665535",
"author": "jawnhenry",
"timestamp": "2023-07-24T14:05:3... | 1,760,372,224.484255 | ||
https://hackaday.com/2023/07/24/weather-in-wartime-the-importance-of-british-meteorology-in-wwii/ | Weather In Wartime: The Importance Of British Meteorology In WWII | Donald Papp | [
"History"
] | [
"meteorology",
"RAF",
"retrotechtactular",
"weather",
"wwii"
] | Weather can have a significant impact on transport and operations of all kinds, especially those at sea or in the air. This makes it a deeply important field of study, particularly in wartime. If you’re at all curious about how this kind of information was gathered and handled in the days before satellites and computer... | 10 | 4 | [
{
"comment_id": "6665477",
"author": "Jan",
"timestamp": "2023-07-24T10:53:39",
"content": "I’m confused as some sources report that “the night of the big wind” happened on 6 January 1839https://en.wikipedia.org/wiki/Night_of_the_Big_Wind",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,224.532755 | ||
https://hackaday.com/2023/07/23/superconducting-tape-leads-to-a-smaller-tokamak/ | Superconducting Tape Leads To A Smaller Tokamak | Jenny List | [
"Science"
] | [
"nuclear fusion",
"superconductor",
"tokamak"
] | Attempts to make a viable nuclear fusion reactor have on the whole been the domain of megabucks projects supported by countries or groups of countries, such as the European JET or newer ITER projects. This is not to say that smaller efforts aren’t capable of making their own advances, operations in both
the USA
and
the... | 80 | 11 | [
{
"comment_id": "6665396",
"author": "tomás zerolo",
"timestamp": "2023-07-24T05:50:20",
"content": "Fusion won’t “solve” the climate crisis. Not in the naive way media like to depict, at least.Don’t get me wrong — I like cheap energy as the next gal or guy. But if we don’t get our act together *rig... | 1,760,372,224.661453 | ||
https://hackaday.com/2023/07/23/steel-for-your-fighting-robot/ | Steel For Your Fighting Robot | Jenny List | [
"Robots Hacks"
] | [
"battle bot",
"metallurgy",
"steel"
] | The job of processing video after a large event must be a thankless one for whichever volunteer upon whose shoulders it falls, and thus it’s not unusual for talks at larger events to end up online much later than the event itself. Electromagnetic Field 2022 was last year, but they have continued to drop new videos. Amo... | 8 | 3 | [
{
"comment_id": "6665371",
"author": "Kim C",
"timestamp": "2023-07-24T02:37:39",
"content": "It seems Jen uploaded a higher quality cut of the video to her channel too.https://www.youtube.com/watch?v=n3kWQf4E1hU",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "... | 1,760,372,224.705972 | ||
https://hackaday.com/2023/07/23/hackaday-links-july-23-2023/ | Hackaday Links: July 23, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"Australia",
"edge",
"flint",
"fusion",
"hackaday links",
"IBM PCjr",
"knapped",
"meteor",
"meteoroid",
"obsidian",
"Oppenheimer",
"sharpness",
"space junk",
"thermonuclear",
"uptime",
"V20"
] | It may be midwinter in Perth, but people still go to the beach there, which led to the surprising discovery earlier this week of what appears to be
a large hunk of space debris
. Local authorities quickly responded to reports of a barnacle-encrusted 2.5-m by 3-m tank-like object on the beach. The object, which has clea... | 4 | 2 | [
{
"comment_id": "6665382",
"author": "Alex",
"timestamp": "2023-07-24T03:43:24",
"content": "Here’s another link to an article about the PCjr webserver in the third paragraph :-)…https://hackaday.com/2023/07/20/pcjr-webserver-hits-2500-hours-uptime/",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,224.748388 | ||
https://hackaday.com/2023/07/23/vanmoof-e-bike-bankruptcy-the-risks-of-cloud-connected-transport/ | VanMoof E-Bike Bankruptcy: The Risks Of Cloud-Connected Transport | Maya Posch | [
"News",
"Transportation Hacks"
] | [
"e-bike",
"VanMoof"
] | When the bankruptcy of VanMoof, the company behind a series of e-bikes, was announced recently, many probably shrugged at this news. After all, what is an e-bike but a regular bicycle that has some electronics and a battery strapped to it to assist with cycling? Unfortunately for owners of a VanMoof e-bike, their fancy... | 66 | 19 | [
{
"comment_id": "6665293",
"author": "Rog Fanther",
"timestamp": "2023-07-23T20:05:11",
"content": "Alternative firmware, anyone ?Also, needing an app to change gears ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6665296",
"author": "The Gambler",... | 1,760,372,224.854407 | ||
https://hackaday.com/2023/07/23/amateur-estimates-of-venusian-day-using-arecibo-data/ | Amateur Estimates Of Venusian Day Using Arecibo Data | Chris Lott | [
"Science"
] | [
"amateur",
"amateur astronomy",
"Arecibo Observatory",
"venus"
] | [Nathaniel Fairfield] aka [thandal] was curious about the actual rotation and axis tilt of Venus. He decided to spin up at
GitHub Python repository
to study the issue further, as one does. The scientific literature shows a wide range of estimates and variations for the planet’s rotation and axis tilt. He wondered if th... | 7 | 4 | [
{
"comment_id": "6665291",
"author": "Hirudinea",
"timestamp": "2023-07-23T19:54:06",
"content": "Something you’ll never hear on Venus, “Hey boss, can I have tomorrow off?”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6665302",
"author": "wibble",
"t... | 1,760,372,224.903387 | ||
https://hackaday.com/2023/07/23/google-nest-mini-gutted-and-rebuilt-to-run-custom-agents/ | Google Nest Mini Gutted And Rebuilt To Run Custom Agents | Lewin Day | [
"google hacks"
] | [
"google",
"Google Nest",
"voice assistant"
] | The Google Nest Mini is a popular smart speaker, but it’s very much a cloud-based Big Tech solution. For those that want to roll their own voice assistant, or just get avoid the corporate surveillance of it all,
[Justin Alvey’s] work may appeal
. (
Nitter
)
[Justin] pulled apart a Nest Mini, ripped out the original PCB... | 18 | 8 | [
{
"comment_id": "6665239",
"author": "JoldaxPrime",
"timestamp": "2023-07-23T15:49:47",
"content": "If it can work with AnyList, I’ll have to try this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6665259",
"author": "hmsYA",
"timestamp": "2023-07-23... | 1,760,372,224.955719 | ||
https://hackaday.com/2023/07/23/closing-in-on-a-pc-enabled-psvr2/ | Closing In On A PC Enabled PSVR2 | Donald Papp | [
"Reverse Engineering",
"Virtual Reality"
] | [
"headset",
"playstation",
"PSVR2",
"reverse engineering",
"sony",
"virtual reality",
"vr"
] | When the PlayStation VR2 headset was released, people wondered whether it would be possible to get the headset to work as a PC VR headset. That would mean being able to plug it into a PC and have it work as a VR headset, instead of it only working on a PS5 as Sony intended.
Enthusiasts were initially skeptical and at t... | 25 | 5 | [
{
"comment_id": "6665214",
"author": "Petter",
"timestamp": "2023-07-23T13:32:31",
"content": "So… No display input to the VR headset? Seems kind of like the most important bit in my mind, but no mention",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6665218... | 1,760,372,225.022273 | ||
https://hackaday.com/2023/07/23/mapping-the-depths-with-an-autonomous-solar-boat/ | Mapping The Depths With An Autonomous Solar Boat | Tom Nardi | [
"gps hacks",
"green hacks",
"Robots Hacks"
] | [
"autonomous boat",
"depth mapping",
"solar",
"sonar"
] | Ever look out at a pond, stream, or river, and wonder how deep it is? For large bodies of water that are considered navigable, it’s easy enough to pull up a chart and find out. But what if there’s no public data for the area you’re interested in?
Well, you
could
spend all day on a little boat taking depth readings and ... | 17 | 9 | [
{
"comment_id": "6665177",
"author": "Juan F Thompson",
"timestamp": "2023-07-23T10:27:04",
"content": "Have you considered adding a downward facing camera to create a visual map in addition to the depth map? Marine archaeologists are starting to use this kind of robot to map areas close to shore we... | 1,760,372,225.080784 | ||
https://hackaday.com/2023/07/22/bridging-a-gap-between-llms-and-programming-with-typechat/ | Bridging A Gap Between LLMs And Programming With TypeChat | Bryan Cockfield | [
"Software Hacks"
] | [
"ChatGPT",
"coding",
"interface",
"javascript",
"json",
"large language model",
"LLM",
"openai",
"programming",
"type safe"
] | By now, large language models (LLMs) like OpenAI’s ChatGPT are old news. While not perfect, they can assist with all kinds of tasks like creating efficient Excel spreadsheets, writing cover letters, asking for music references, and putting together functional computer programs in a variety of languages. One thing these... | 33 | 3 | [
{
"comment_id": "6665146",
"author": "Mr Name Required",
"timestamp": "2023-07-23T07:39:57",
"content": "Why am I left thinking this is going to lead to a world of pain in times to come. With AI’s just spewing out all sorts of human-unmanageable code we’re going to need more AI’s to patch that code,... | 1,760,372,225.199575 | ||
https://hackaday.com/2023/07/22/rfid-emulator-e-paper-badge-can-be-programmed-with-sound/ | RFID Emulator + E-paper Badge Can Be Programmed With Sound | Donald Papp | [
"Crowd Funding",
"hardware"
] | [
"badge",
"e-paper",
"ggtag",
"ggwave",
"rfid",
"sound"
] | In a way, an e-paper display makes an excellent foundation for a reprogrammable RFID card. The display only needs power during a refresh, and 125 kHz RFID tags are passive in the sense that the power for the RFID transaction comes from the reader itself. [Georgi Gerganov] has put those together in the
GGtag
, an open-s... | 9 | 2 | [
{
"comment_id": "6665108",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-23T02:51:29",
"content": "Data to sound and back to data.I had a modem that did that 30 years ago.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6665126",
... | 1,760,372,225.130552 | ||
https://hackaday.com/2023/07/22/2023-cyberdeck-challenge-crosberry-pi-loves-lo-fi-hip-hop/ | 2023 Cyberdeck Challenge: Crosberry Pi Loves Lo-Fi Hip Hop | Kristina Panos | [
"contests",
"Cyberdecks"
] | [
"2023 Cyberdeck Challenge",
"Crosley",
"cyberdeck",
"raspberry pi",
"record player",
"trackball",
"trackball mouse"
] | As far as we can tell, the only real selling point that any portable record player offered was, well, its portability. To be clear, the sound is never that great. But perhaps a selling point for this crowd is that they usually come in hinged cases with handles, and you know what that means —
cyberdeck that thing
!
[
Mx... | 1 | 1 | [
{
"comment_id": "6665230",
"author": "Piotrsko",
"timestamp": "2023-07-23T14:44:33",
"content": "Back in the day you didn’t get your music to travel with you so anything that played music remotely was like totally awesome crappy sound or not.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,372,225.234337 | ||
https://hackaday.com/2023/07/22/root-on-an-amazon-echo-dot/ | Root, On An Amazon Echo Dot | Jenny List | [
"Reverse Engineering"
] | [
"Amazon Echo",
"android",
"echo dot",
"jailbreak",
"root"
] | The Amazon Echo has become an indispensable device for many people unconcerned by its privacy implications. It’s easy to forget that it’s not quite a new product anymore, with the oldest examples now long in the tooth enough to no longer receive security updates. A surprise is that far from being mere clients to Amazon... | 41 | 10 | [
{
"comment_id": "6665055",
"author": "ono",
"timestamp": "2023-07-22T21:37:00",
"content": "So, what would it be possible to do with a freed echo dot gen. 2 ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6665079",
"author": "Jack",
"timesta... | 1,760,372,225.446025 | ||
https://hackaday.com/2023/07/22/the-moment-a-bullet-turns-into-a-flashlight-caught-on-film/ | The Moment A Bullet Turns Into A Flashlight, Caught On Film | Donald Papp | [
"chemistry hacks",
"Weapons Hacks"
] | [
"ballistic gel",
"diesel effect",
"firearms",
"flash",
"gunpowder",
"slow motion"
] | [The Slo Mo Guys] caught something fascinating while
filming some firearms at 82,000 frames per second
: a visible emission of light immediately preceding a bullet impact. The moment it occurs is pictured above, but if you’d like to jump directly to the point in the video where this occurs,
it all starts at [8:18]
.
Th... | 14 | 6 | [
{
"comment_id": "6665010",
"author": "Brian",
"timestamp": "2023-07-22T18:22:38",
"content": "My guess would be sonoluminescence due to dissolved gas, but could be the “Argon Bomb” type flash seen when explosives compress air or argon gas.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,227.367792 | ||
https://hackaday.com/2023/07/22/whos-afraid-of-assembly-language/ | Who’s Afraid Of Assembly Language? | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider",
"Software Hacks"
] | [
"assembly language",
"newsletter"
] | This week, [Al Williams] wrote
a great thought piece about whether or not it was worth learning an assembly language
at all anymore, and when. The comments overflowed, and we’re surprised that so many people basically agree with us: yes. Of course, it’s a Hackaday crowd, but I still didn’t expect the outpouring of love... | 109 | 39 | [
{
"comment_id": "6664964",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-22T14:11:03",
"content": "I am!That’s why I haven’t touched it in decades!B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6664966",
"author": "Ken",
"t... | 1,760,372,227.649038 | ||
https://hackaday.com/2023/07/22/that-ultra-white-paint-that-helps-cool-surfaces-make-your-own/ | That Ultra-White Paint That Helps Cool Surfaces? Make Your Own! | Donald Papp | [
"chemistry hacks",
"Science"
] | [
"acrylic paint",
"ambient",
"barium sulfate",
"paint",
"passive cooling",
"radiative cooling"
] | It started with [KB9ENS] looking into paints or coatings for passive or radiative cooling, and
in the process he decided to DIY his own
. Not only is it perfectly accessible to a home experimenter, his initial results look like they have some promise, as well.
[KB9ENS] read about a type of
ultra-white paint formulation... | 53 | 17 | [
{
"comment_id": "6664925",
"author": "alialiali",
"timestamp": "2023-07-22T11:02:58",
"content": "Night hawk in light did something similarhttps://www.youtube.com/watch?v=KDRnEm-B3AI",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6665029",
"author": ... | 1,760,372,227.507492 | ||
https://hackaday.com/2023/07/22/behold-a-gallery-of-sonys-ps-vr2-prototypes/ | Behold A Gallery Of Sony’s PS VR2 Prototypes | Donald Papp | [
"Virtual Reality"
] | [
"headset",
"Prototypes",
"virtual reality",
"vr"
] | Every finished product stands at the end of a long line of prototypes, and Sony have recently shared an
interview and images of their PlayStation VR2 prototypes
.
Many of the prototypes focus on a specific functionality, and readers who are not familiar with building things might find it a bit wild to see just how big ... | 3 | 3 | [
{
"comment_id": "6664916",
"author": "Gérald",
"timestamp": "2023-07-22T09:04:59",
"content": "Looking at the close-up picture of the tracking system prototype, it seems they used an Arduino Due with a probably custom hat.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,372,227.061432 | ||
https://hackaday.com/2023/07/21/restored-amiga-500-is-blue-and-glows-in-the-dark/ | Restored Amiga 500 Is Blue – And Glows In The Dark | Robin Kearey | [
"Retrocomputing"
] | [
"Amiga 500",
"case modding",
"floppy emulator",
"gotek",
"spray paint"
] | Few things are as satisfying to watch as a good retrocomputer restoration project – we’re always happy to see someone bring a rusty old Commodore, Apple or Atari back to life. The goal is typically to get the machine as close to its original state as possible, except for perhaps a few non-intrusive mods like memory upg... | 5 | 2 | [
{
"comment_id": "6664893",
"author": "Sjaak",
"timestamp": "2023-07-22T05:51:32",
"content": "The link to the paint article isn’t usable anymore. The shop couldn’t get worldwideshipping to work for spraycans and seized to sell them.Unfortunately as i have a couple of Amiga 2000’s which need some pai... | 1,760,372,227.011837 | ||
https://hackaday.com/2023/07/21/when-is-open-source-ai-not-open-source-ai/ | When Is Open Source AI Not Open Source AI? | Jenny List | [
"Artificial Intelligence"
] | [
"ChatGPT",
"llama",
"meta",
"open source"
] | The world of AI is abuzz, or at least parts of it are,
at the news of Meta’s release of Llama 2
. This is an AI text model which is thought to surpass ChatGPT in capabilities, and which the social media turned VR turned own all your things company wants you to know is open to all. That’s right, the code is open source ... | 18 | 3 | [
{
"comment_id": "6664881",
"author": "Jonathan Bennett",
"timestamp": "2023-07-22T04:24:53",
"content": "And there’s still the outstanding question of how the licensing of the training data affects the license of the LLM output.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,227.214017 | ||
https://hackaday.com/2023/07/21/robopianist-is-a-simulation-for-advancing-robotic-control/ | RoboPianist Is A Simulation For Advancing Robotic Control | Lewin Day | [
"Musical Hacks"
] | [
"piano",
"simulation"
] | Researchers at Google have posed themselves an interesting problem to solve: mastering the piano. However, they’re not trying to teach themselves, but a pair of simulated anthropomorphic robotic hands instead.
Enter RoboPianist.
The hope is that the RoboPianist platform can help benchmark “high-dimensional control, tar... | 10 | 6 | [
{
"comment_id": "6664848",
"author": "MartyK",
"timestamp": "2023-07-21T23:18:29",
"content": "The hands are floating with no support; this is just an animation.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6664851",
"author": "The Commenter Former... | 1,760,372,227.410256 | ||
https://hackaday.com/2023/07/21/ai-learns-to-walk-in-3d-training-grounds/ | AI Learns To Walk In 3D Training Grounds | Lewin Day | [
"Machine Learning"
] | [
"ai",
"artificial intelligence",
"learn to walk",
"machine learning",
"unity",
"unity engine",
"walk",
"walk cycle",
"walking"
] | AI agents are learning to do all kinds of interesting jobs, even the creative ones that we quite prefer handling ourselves. Nevertheless, technology marches on. Working in this area is YouTuber [AI Warehouse],
who has been teaching an AI to walk in a simulated environment.
Albert needed some specific guidance to learn ... | 13 | 6 | [
{
"comment_id": "6664816",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-21T20:06:41",
"content": "Now, teach Albert how to launch nuclear missiles.Skynet is waiting…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6664823",
"author... | 1,760,372,227.155572 | ||
https://hackaday.com/2023/07/21/sand-drawing-plotter-runs-on-esp32/ | Sand Drawing Plotter Runs On ESP32 | Lewin Day | [
"Art"
] | [
"plotter",
"polar coordinates",
"polar plotter",
"sand plotter"
] | Humans have always drawn lines in the sand, whether it’s to communicate a plan of attack or to indicate metaphorically a very real boundary. It’s also something we do just for the aesthetic pleasure,
and this plotter from [aidenvigue]
is great at performing in just that role.
The plotter traces patterns in the circular... | 3 | 2 | [
{
"comment_id": "6664796",
"author": "Olivier",
"timestamp": "2023-07-21T18:49:54",
"content": "Really nice idea and looking great",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6664923",
"author": "RoganDawes",
"timestamp": "2023-07-22T10:11:41",
... | 1,760,372,227.098787 | ||
https://hackaday.com/2023/07/21/ask-hackaday-whats-linux-anyway/ | Ask Hackaday: What’s Linux Anyway? | Al Williams | [
"Ask Hackaday",
"Featured",
"Interest",
"Linux Hacks",
"Rants",
"Slider"
] | [
"linux"
] | Any time we mention Linux, it is a fair bet we will get a few comments from people unhappy that we didn’t refer to it as GNU/Linux or with some other appellation. To be fair, they aren’t wrong. Linux is a kernel. Much of what we think of as a Linux desktop OS is really from other sources, including, but not limited to,... | 55 | 22 | [
{
"comment_id": "6664776",
"author": "me",
"timestamp": "2023-07-21T17:14:11",
"content": "> That’s like saying nearly half of Hackaday readers read Hackaday, right?Have spent time in the comments of various sites, I’d say at least half of hackaday readers actually read hackaday, and that’s **very g... | 1,760,372,227.312525 | ||
https://hackaday.com/2023/07/21/hackaday-podcast-228-bats-eggs-lasers-duck-tape-and-assembly-language/ | Hackaday Podcast 228: Bats, Eggs, Lasers, Duck Tape, And Assembly Language | Dan Maloney | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Summer’s in full swing, and this week both Elliot and Dan had to sweat things out to get the podcast recorded. But the hacks were cool — see what I did there? — and provided much-needed relief. Join us as we listen in on the world of bats, look at a laser fit for a hackerspace, and learn how to make an array of magnets... | 1 | 1 | [
{
"comment_id": "6664840",
"author": "Jon",
"timestamp": "2023-07-21T22:14:29",
"content": "Dan, did you find duct tape?",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,227.693811 | ||
https://hackaday.com/2023/07/21/2600-breaks-free-from-drm-with-pdf-epub-subscription/ | 2600 Breaks Free From DRM With PDF/EPUB Subscription | Tom Nardi | [
"internet hacks",
"News"
] | [
"2600",
"amazon",
"drm",
"ebook",
"kindle"
] | Hackaday has been online in some form or another since 2004, which for the Internet, makes us pretty damn old. But while that makes us one of the oldest surviving web resources for hacker types, we’ve got nothing on
2600 —
they’ve been publishing their quarterly zine since 1984.
Summer 2023 Issue of 2600
While the phys... | 13 | 7 | [
{
"comment_id": "6664758",
"author": "Ragnarok700",
"timestamp": "2023-07-21T15:23:20",
"content": "I see this as an opportunity for 2600 to offer those capabilities as a (paid) service to those less technically savvy publications so they can stay available online, too (and DRM-free)!",
"parent_... | 1,760,372,227.749255 | ||
https://hackaday.com/2023/07/21/this-week-in-security-dating-app-woocommerce-and-openssh/ | This Week In Security: Dating App, WooCommerce, And OpenSSH | Jonathan Bennett | [
"computer hacks",
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"openssh",
"This Week in Security",
"WooCommerce"
] | Up first this week is
a report from vpnMentor
, covering the unsecured database backing a set of dating apps, including 419 Dating. The report is a bit light on the technical details, like what sort of database this was, or how exactly it was accessed. But the result is 2.3 million exposed records, containing email add... | 4 | 4 | [
{
"comment_id": "6664746",
"author": "Gravis",
"timestamp": "2023-07-21T14:23:25",
"content": "Yeah, saw OpenSSH and was filled with dread at first sight. Glad to see it’s a minor issue.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6664750",
"author": "F... | 1,760,372,227.92966 | ||
https://hackaday.com/2023/07/21/turning-a-quartz-clock-module-into-a-time-reference/ | Turning A Quartz Clock Module Into A Time Reference | Lewin Day | [
"clock hacks",
"Parts"
] | [
"1 pps reference",
"1pps",
"1pps reference",
"clock",
"Quartz",
"time reference"
] | If you’re looking for a 1-second time reference, you’d probably just grab a GPS module off the shelf and use the 1PPS output. As demonstrated by [InazumaDenki], though,
an old quartz clock module can also do the job with just a little work.
The module was harvested from an old Seiko wall clock, and features the familia... | 11 | 6 | [
{
"comment_id": "6664732",
"author": "Paul",
"timestamp": "2023-07-21T13:18:30",
"content": "Funny. I did exactly the same thing a few years ago, to get a stable 1 PPS independent of GPS.Issues:– The even and odd pulses are each not exactly 1s. They are about 50 us different on mine. Not a huge i... | 1,760,372,227.79533 | ||
https://hackaday.com/2023/07/21/old-style-1802-computer-has-mmu/ | Old Style 1802 Computer Has MMU | Al Williams | [
"Microcontrollers",
"Retrocomputing"
] | [
"1802",
"CDP1802",
"cosmac elf"
] | When you think of an MMU — a memory management unit — you probably think of a modern 32-bit computer. But [Jeff Truck] has a surprise. His
new RCA 1802 computer
has bank switching, allowing the plucky little processor to address 256K of RAM. This isn’t just the usual bank-switching design, either.
The machine has sever... | 8 | 5 | [
{
"comment_id": "6664705",
"author": "Michael Mirsky",
"timestamp": "2023-07-21T08:31:22",
"content": "Wow! I wire wrapped two 8k RAM boards to be able to use Quest Basic on my 1802 back in 1980. But this amount would have been amazing! My Life program could have followed so many more generations be... | 1,760,372,228.199317 | ||
https://hackaday.com/2023/07/20/an-easy-z80-and-vga-upgrade-for-the-apple-ii/ | An Easy Z80 And VGA Upgrade For The Apple II | Lewin Day | [
"Retrocomputing"
] | [
"apple II",
"CP/M",
"vga",
"z80"
] | The Apple II was at the forefront of the home computer revolution when it came out in 1977. In its era, nobody really cared about hooking up the Apple II to a VGA monitor, but these days, it’s far easier than sourcing an original monitor. The
V2 Analog
is a useful tool that will let you do just that, plus some other ne... | 15 | 4 | [
{
"comment_id": "6664679",
"author": "David Kuder",
"timestamp": "2023-07-21T06:15:18",
"content": "I didn’t come up with it all on my own, my project is a fork of Mark’shttps://github.com/markadev/AppleII-VGAand is a constantly moving target. I both welcome and encourage others to revise the hardwa... | 1,760,372,228.388051 | ||
https://hackaday.com/2023/07/20/giant-3d-printer-can-print-life-sized-human-statues/ | Giant 3D Printer Can Print Life-Sized Human Statues | Lewin Day | [
"3d Printer hacks"
] | [
"3d printer",
"3d printing",
"statue"
] | We’ve seen a few makers 3D scan themselves, and use those to print their own action figures or statuettes. Some have gone so far as building life-sized statues composed of many 3D printed parts. [Ivan Miranda] is no regular maker though, and his custom 3D printer is big enough that
he can print himself a life-sized sta... | 30 | 9 | [
{
"comment_id": "6664655",
"author": "Vinny",
"timestamp": "2023-07-21T03:36:01",
"content": "Cartesian? Ivan used a CoreXY kinematics for this printer.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6664692",
"author": "Hendrik",
"timestamp"... | 1,760,372,228.460741 | ||
https://hackaday.com/2023/07/20/diy-all-flash-nas-vs-commercial-hardware/ | DIY All-Flash NAS Vs. Commercial Hardware | Lewin Day | [
"Network Hacks"
] | [
"asustor",
"nas",
"raid",
"raspberry pi",
"rock 5",
"storage"
] | [Jeff Geerling] has tried building his own network-attached storage before, but found that the Raspberry Pi just wasn’t able to keep pace with his demands. He’s back with a new all-flash NAS build,
and put his new design to the test against proper store-bought gear.
His build is based around the ROCK 5 Model B, which i... | 37 | 10 | [
{
"comment_id": "6664439",
"author": "Raiden",
"timestamp": "2023-07-20T08:41:49",
"content": "“3-drive RAID 5 configuration” Haha lol lmao wtf. This entire post/video is pure nerd sniping.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6664588",
"au... | 1,760,372,228.27391 | ||
https://hackaday.com/2023/07/19/vintage-digital-frequency-meter-teardown/ | Vintage Digital Frequency Meter Teardown | Al Williams | [
"Teardown"
] | [
"digital display",
"frequency counter",
"racal"
] | You think of digital displays as modern, but the idea isn’t that new. We had clocks, for example, with wheels and flip digits for years. The
Racal frequency counter
that [Thomas Scherrer] is playing with in the video below has columns of digits with lamps behind them. You just need the right plastic and ten lightbulbs ... | 4 | 4 | [
{
"comment_id": "6664425",
"author": "BrightBlueJim",
"timestamp": "2023-07-20T05:48:31",
"content": "Now I know what Don Lancaster was copying here:https://deramp.com/swtpc.com/PopularElectronics/Mar1969/PE_Mar_1969_pg33.jpg",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"c... | 1,760,372,228.149178 | ||
https://hackaday.com/2023/07/19/solenoid-keyboard-sounds-very-much-like-a-typewriter/ | Solenoid Keyboard Sounds Very Much Like A Typewriter | Lewin Day | [
"Peripherals Hacks"
] | [
"keyboard",
"mechanical keyboard",
"solenoid"
] | Mechanical keyboards are muchly adored things. For many of us, they take us back to that loud clickity-clack that was so common before consumer keyboards went to membrane switches. For others, it’s just for the pure joy of the finger-powered symphony.
The solenoid edition of the Red Herring keyboard from [Ming-Gih Lam]... | 29 | 12 | [
{
"comment_id": "6664400",
"author": "mrhss",
"timestamp": "2023-07-20T02:28:24",
"content": "I’ve used Łucznik typewriter and it sounds nothing like that.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6664403",
"author": "Timo",
"timestamp": "2023-07... | 1,760,372,228.338064 | ||
https://hackaday.com/2023/07/19/3d-printer-recognizes-third-party-build-plates-just-make-your-own-id-codes/ | 3D Printer Recognizes Third-Party Build Plates, Just Make Your Own ID Codes | Donald Papp | [
"3d Printer hacks"
] | [
"3d printing",
"AprilTag",
"Build platform",
"qr code",
"third party"
] | The Bambu X1C 3D printer is a machine known for its speed, and it has a number of useful features like automatic build platform recognition. Factory build platforms are marked with an identifier code, and thanks to [elumspe] it’s now possible to
make your own identifiers to stick onto third-party platforms
and have the... | 14 | 9 | [
{
"comment_id": "6664398",
"author": "Leandro Heck",
"timestamp": "2023-07-20T01:35:24",
"content": "Why would we need that? This is silly for me, I prefere to control the machine from the computer, remotely.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "66... | 1,760,372,228.515477 | ||
https://hackaday.com/2023/07/19/breaking-land-speed-records-with-an-rc-car/ | Breaking Land Speed Records With An RC Car | Lewin Day | [
"Misc Hacks",
"Transportation Hacks"
] | [
"jet car",
"R/C car",
"speed record"
] | Building and running a land speed record car is an expensive business that requires incredibly wealthy benefactors. Doing it on a smaller scale with a radio control car is still pricy, but more within the reach of the individual. [ProjectAir] has been working on just that,
and recently set out to break records with a c... | 23 | 6 | [
{
"comment_id": "6664357",
"author": "TG",
"timestamp": "2023-07-19T20:12:25",
"content": "Wait the speed record for RC cars is that low? Shucks give me a model rocket engine, smoke that easily. That design is just going to roll in a straight line anyway.",
"parent_id": null,
"depth": 1,
... | 1,760,372,228.573664 | ||
https://hackaday.com/2023/07/19/building-the-cheapest-midi-home-studio-from-1988/ | Building The Cheapest MIDI Home Studio From 1988 | Lewin Day | [
"Musical Hacks"
] | [
"1980's",
"atari st",
"ctrix",
"midi",
"music"
] | These days, there is a plethora of cheap hardware and software which you can use to make digital music. Back in the 1980s, though, this was still a nascent field, with new gear changing the game for musicians. In his latest video, [cTrix] puts together a guide to
building a budget MIDI home studio like it’s 1988.
The o... | 7 | 7 | [
{
"comment_id": "6664352",
"author": "cbarn",
"timestamp": "2023-07-19T19:05:03",
"content": "I came a little later to computer-driven MIDI in 1991 … I’d already picked up a Yamaha V50 synth which supported MIDI and had a built-in sequencer, but lacked the resources to connect it to my frankenstein ... | 1,760,372,228.615354 | ||
https://hackaday.com/2023/07/19/hackaday-prize-2023-meet-the-assistive-tech-finalists/ | Hackaday Prize 2023: Meet The Assistive Tech Finalists | Tom Nardi | [
"contests",
"Hackaday Columns",
"Slider",
"The Hackaday Prize"
] | [
"2023 Hackaday Prize",
"assistive technology"
] | If you’re still toiling away at your entry for the Gearing Up Challenge of the
2023 Hackaday Prize
, don’t panic! No, you haven’t lost track of time — due to some technical difficulties we had to delay the final judging for the Assistive Tech Challenge that ended May 30th.
Today we’re pleased to announce that all the v... | 8 | 5 | [
{
"comment_id": "6664339",
"author": "TURFPTAx",
"timestamp": "2023-07-19T18:28:42",
"content": "Congrats to everyone!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6664382",
"author": "the_3d6",
"timestamp": "2023-07-19T23:03:51",
"content": "It’... | 1,760,372,228.668085 | ||
https://hackaday.com/2023/07/20/physical-neural-network-can-be-trained-like-a-digital-one/ | Physical Neural Network Can Be Trained Like A Digital One | Donald Papp | [
"Science"
] | [
"compliant mechanism",
"flexure",
"lattice",
"mechanical",
"neural network"
] | Here’s an unusual concept:
a computer-guided mechanical neural network
(video, embedded below.) Why would one want a mechanical neural network? It’s essentially a tool to explore what it would take to make physical materials work in nonstandard ways. The main part is a lattice of interlinked mechanical components. When... | 11 | 6 | [
{
"comment_id": "6664615",
"author": "LordNothing",
"timestamp": "2023-07-20T23:14:08",
"content": "sometimes i feel like hack a day is just reading my youtube history.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6664632",
"author": "scott_tx",
... | 1,760,372,228.719123 | ||
https://hackaday.com/2023/07/20/smart-powermeter-uses-e-paper-display/ | Smart Powermeter Uses E-Paper Display | Lewin Day | [
"home hacks"
] | [
"home",
"power meter",
"smart meter"
] | In most places around the world, electricity is getting ever more expensive. Cutting back on your usage is one of the easier ways to escape this pain. This
smart powermeter from [JGAguagdo]
may prove a useful tool to achieve that goal.
The project uses an ESP32-S2 as the brains of the operation. It’s capable of reading... | 17 | 8 | [
{
"comment_id": "6664590",
"author": "Chris Muncy",
"timestamp": "2023-07-20T20:44:18",
"content": "Waiting on Hash to comment to determine the validity of this project….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6664610",
"author": "ian 42",
"tim... | 1,760,372,228.985711 | ||
https://hackaday.com/2023/07/20/game-boy-style-camera-for-playdate/ | Game Boy-Style Camera For Playdate | Bryan Cockfield | [
"handhelds hacks"
] | [
"1-bit",
"camera",
"game boy camera",
"grayscale",
"monochrome",
"ov7670",
"Playdate",
"Teensy 4.1"
] | The Game Boy Camera, while perhaps not the most technologically advanced piece of equipment, left a huge mark on video game and electronics culture. The grayscale photographs are still highly prized, and there are an untold number of projects which interface with original hardware to download authentic Game Boy Camera ... | 0 | 0 | [] | 1,760,372,229.02341 | ||
https://hackaday.com/2023/07/20/tv-typewriter-remembered/ | TV Typewriter Remembered | Al Williams | [
"Hackaday Columns",
"History",
"Retrocomputing"
] | [
"Don Lancaster",
"TV Typewriter"
] | With the
recent passing of Don Lancaster
, I took a minute to reflect on how far things have come in a pretty short period of time. If you somehow acquired a computer in the early 1970s, it was probably some discarded DEC, HP, or Data General machine. A few people built their own, but that was a stout project with no m... | 23 | 12 | [
{
"comment_id": "6664549",
"author": "Tom Brusehaver",
"timestamp": "2023-07-20T17:09:50",
"content": "I’m bought school, 3 of us built one.We etched the double sided board, but didn’t have a way to plate through the holes. I soldered sockets on both sides.After we put in chips, many of the sockets ... | 1,760,372,229.104078 | ||
https://hackaday.com/2023/07/20/open-source-oled-nametag-is-full-of-features/ | Open Source OLED Nametag Is Full Of Features | Donald Papp | [
"Wearable Hacks"
] | [
"nametag",
"oled",
"open source",
"wireless"
] | Ever wanted a sweet OLED nametag with fancy features like daylight readability, automatic brightness adjustment, GIF animation support, all-day runtime, easy web interface, and more? [TobleMiner]’s
OLED Nametag
is the project you want to keep an eye on in that case.
It’s still an early prototype, but the feature list l... | 5 | 4 | [
{
"comment_id": "6664570",
"author": "rtyr5y45y45eyhe3h beyha",
"timestamp": "2023-07-20T19:00:11",
"content": "similar esp S3 screen but more key (I alvays wrote about more than 4 buttons on board) and power (I was alvays wrote about power on motherboard ;) )oled need more power therefore power mus... | 1,760,372,229.14653 | ||
https://hackaday.com/2023/07/20/pcie-for-hackers-an-m-2-card-journey/ | PCIe For Hackers: An M.2 Card Journey | Arya Voronova | [
"Engineering",
"Featured",
"Interest",
"Slider"
] | [
"adapters",
"engineering",
"PCIe"
] | I’ve designed a few M.2 adapters for my own and my friends’ use, and having found those designs online, people have asked me for custom-made adapters. One of these requests is quite specific – an adapter that adds one more PCIe link to an E-key M.2 slot, the kind of slot you will see used in laptops for WiFi cards.
See... | 22 | 7 | [
{
"comment_id": "6664510",
"author": "David Kuder",
"timestamp": "2023-07-20T14:14:56",
"content": "Missed the perfect opportunity to mention the flexibility in PCIe links for polarity and count-up / count-down lane ordering. (Hosts and devices are expected to negotiate the polarity and the lane ord... | 1,760,372,229.410209 | ||
https://hackaday.com/2023/07/20/pcjr-webserver-hits-2500-hours-uptime/ | PCjr WebServer Hits 2500 Hours Uptime | Adam Fabio | [
"Network Hacks",
"Retrocomputing"
] | [
"IBM PCjr",
"mTCP",
"peanut",
"retrocomputing",
"web server"
] | When [Mike] fired up his
PCjr webserver
back in March, he probably wasn’t expecting it to go viral. 2640 hours later, here we are! Not only has his machine run continuously for over 110 days, it also is surviving a global hug of death. All of this is thanks to some very special software.
We see lots of old machines her... | 23 | 7 | [
{
"comment_id": "6664460",
"author": "Andrew",
"timestamp": "2023-07-20T11:18:14",
"content": "736 KB ought to be enough for anybody.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6664480",
"author": "Jace",
"timestamp": "2023-07-20T12:29:03... | 1,760,372,229.340543 | ||
https://hackaday.com/2023/07/19/shake-rattle-roll-with-your-own-seismograph/ | Shake, Rattle, Roll, With Your Own Seismograph | Al Williams | [
"Arduino Hacks"
] | [
"mpu6050",
"seismograph"
] | We always love to see projects where you can build your own lab equipment so [CompactDIY’s] homemade
seismograph
caught our eye. The design uses an Arduino with an accelerometer and builds on one of their earlier projects. You can see a video of the device below.
The principle is simple. A hobby servo controls a pen an... | 5 | 3 | [
{
"comment_id": "6664334",
"author": "Dude",
"timestamp": "2023-07-19T18:14:58",
"content": "That “visuino” IDE looks terribly confusing for such a simple program.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6664355",
"author": "Carl",
"ti... | 1,760,372,229.188747 | ||
https://hackaday.com/2023/07/19/smart-assistants-need-to-get-smarter/ | Smart Assistants Need To Get Smarter | Lewin Day | [
"Featured",
"Interest",
"Machine Learning",
"Original Art",
"Slider"
] | [
"alexa",
"bixby",
"google assistant",
"siri",
"voice assistant"
] | Science fiction has regularly portrayed smart computer assistants in a fanciful way. HAL from 2001: A Space Odyssey and J.A.R.V.I.S. from the contemporary
Iron Man
films are both great examples. They’re erudite, wise, and capable of doing just about any reasonable task that is asked of them, short of opening the pod ba... | 81 | 25 | [
{
"comment_id": "6664281",
"author": "The2dcour",
"timestamp": "2023-07-19T14:19:32",
"content": "Voice assistants partnered with cameras should be able to tell me I left my keys, remote etc in the oven. Maybe with a smart oven refusing the oven to turn on because there is a foreign object inside.I’... | 1,760,372,229.635054 | ||
https://hackaday.com/2023/07/19/lighting-up-with-chemistry-1823-style/ | Lighting Up With Chemistry, 1823-Style | Dan Maloney | [
"chemistry hacks",
"History"
] | [
"catalyst",
"fire",
"hydrogen",
"lighter",
"platinum",
"sulfuric acid"
] | With our mass-produced butane lighters and matches made in the billions, fire is never more than a flick of the finger away these days. But starting a fire 200 years ago?
That’s a different story
.
One method we’d never heard of was Döbereiner’s lamp, an 1823 invention by German chemist J
ohann Wolfgang Döbereiner. At ... | 9 | 6 | [
{
"comment_id": "6664254",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-19T11:24:59",
"content": "Enlightening!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6664286",
"author": "KC",
"timestamp": "2023-07-19T14:42:32",
"... | 1,760,372,229.453449 | ||
https://hackaday.com/2023/07/19/digital-microscope-with-an-on-screen-multimeter/ | Digital Microscope With An On-Screen Multimeter | Al Williams | [
"Tool Hacks"
] | [
"microscope",
"multimeter"
] | Some things go together, like chocolate and peanut butter. Others are more odd pairings, like bananas and bacon. We aren’t sure which category to put [IMSAI Guy]’s latest find in. He has a
microscope with a built-in digital multimeter
. You can see the video of the device in operation below.
The microscope itself is on... | 18 | 8 | [
{
"comment_id": "6664223",
"author": "C",
"timestamp": "2023-07-19T08:08:15",
"content": "This opens an entire area of possibilities. I’m thinking you can create some type of AR to detect pin 1 of an IC and project the pin numbers on it. Or go crazy and use OCR to detect the IC type and also add the... | 1,760,372,229.508777 | ||
https://hackaday.com/2023/07/18/reverse-engineering-reveals-hidden-api-in-abandonware-trail-camera/ | Reverse Engineering Reveals Hidden API In Abandonware Trail Camera | Dan Maloney | [
"Reverse Engineering"
] | [
"api",
"ble",
"camera",
"game cam",
"nrf",
"PCAPDroid",
"reverse engineering",
"trail camera",
"wifi",
"wireshark"
] | It sometimes seems like there are two kinds of cheap hardware devices: those dependent on proprietary software that is no longer available and those that are equally dependent but haven’t been abandoned just quite yet. But rest assured, abandonment is always on the table, and until then, you get to deal with poorly wri... | 12 | 7 | [
{
"comment_id": "6664222",
"author": "Sad",
"timestamp": "2023-07-19T08:06:12",
"content": "Wait a minute, there was no hidden API….Disappointeeeeeeeed!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6664228",
"author": "Gérald",
"timestamp": "2023-07-... | 1,760,372,229.68228 | ||
https://hackaday.com/2023/07/18/modern-software-brings-back-the-timex-datalink/ | Modern Software Brings Back The Timex Datalink | Tom Nardi | [
"Software Hacks",
"Wearable Hacks"
] | [
"smartwatch",
"Timex",
"Timex Datalink"
] | As much as some people on the Internet might like to think — no, Apple did not come up with the idea of the smart watch. Even if you ignore the calculator watches that we imagine a full 60% of Hackaday readers wore at one time or another in their lives, the Timex Datalink was already syncing with computers and pulling ... | 27 | 11 | [
{
"comment_id": "6664194",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-19T02:38:12",
"content": "My wife bought me a Datalink around the year 2000.Each time I changed the battery the rubber o-ring that sealed the back stretched a little.The watch died one sweaty summer day... | 1,760,372,229.760496 | ||
https://hackaday.com/2023/07/18/sniffing-passwords-rickrolling-toothbrushes/ | Sniffing Passwords, Rickrolling Toothbrushes | Elliot Williams | [
"classic hacks",
"Reverse Engineering"
] | [
"crc",
"passwords",
"reverse engineering",
"security",
"sniffing",
"toothbrush"
] | If you could
dump the flash from your smart toothbrush and reverse engineer it
, enabling you to play whatever you wanted on the vibrating motor, what would you do? Of course there’s no question:
you’d never give up, or let down
. Or at least that’s what [Aaron Christophel] did. (Videos, embedded below.)
But that’s jus... | 14 | 6 | [
{
"comment_id": "6664130",
"author": "Jan",
"timestamp": "2023-07-18T20:29:12",
"content": "Being employed by P&G i would say that is not a toothbrush I would put in my mouth.And the ion brushes have ips led displays among other thing and way more fun to hack and play around with.",
"parent_id":... | 1,760,372,229.813612 | ||
https://hackaday.com/2023/07/18/conductive-gel-has-potential/ | Conductive Gel Has Potential | Bryan Cockfield | [
"chemistry hacks"
] | [
"conductive",
"gel",
"mineral oil",
"nixie tube",
"solution",
"xanthan gum"
] | There are some technologies first imagined in the
Star Trek
universe have already come to exist in the modern day. Communicators, tablet computers, and computer voice recognition are nearly as good as seen in the future, and other things like replicators and universal translators are well on their way.
Star Trek: Voyag... | 24 | 7 | [
{
"comment_id": "6664084",
"author": "hartl",
"timestamp": "2023-07-18T18:39:18",
"content": "One question remains: How many switching cycles at room temperature will it endure before gel and oil emulsify?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "66640... | 1,760,372,229.874884 | ||
https://hackaday.com/2023/07/18/pcmcia-flash-card-gives-up-its-secrets-thanks-to-retro-gear/ | PCMCIA Flash Card Gives Up Its Secrets Thanks To Retro Gear | Dan Maloney | [
"Retrocomputing"
] | [
"ftp",
"gis",
"gps",
"libretto",
"PCMCIA",
"retrocomputer",
"Toshiba",
"Windows 98"
] | There are two ways to recover data from an obsolete storage medium. One way is to pull out all the tools in the hacker’s kit — with logic analyzers, oscilloscopes, and bit-banged software in a desperate attempt to reverse engineer the original protocol. The other way is to have a really, really deep junk bin that just ... | 27 | 16 | [
{
"comment_id": "6664054",
"author": "zoobab",
"timestamp": "2023-07-18T17:03:24",
"content": "I have one of those pcmcia SRAM card 2mb that i used to flash usr2450 routers with linuxap back in 2000, in the pre-openwrt days. One of the few distro to support it for the Demolinux livecd.",
"parent... | 1,760,372,230.016974 | ||
https://hackaday.com/2023/07/18/crab-shells-massively-improve-zinc-ion-batteries/ | Crab Shells Massively Improve Zinc-Ion Batteries | Lewin Day | [
"Current Events",
"Engineering",
"Original Art",
"Science",
"Slider"
] | [
"battery",
"battery tech",
"battery technology",
"research",
"zinc battery",
"zinc-ion battery"
] | In the fast-moving world of battery research, scientists are constantly on the lookout for innovative materials with the right properties to help improve energy storage. Meanwhile, batteries are in greater demand than ever as production of EVs and renewable energy projects ramp up to new heights.
In the hunt for new an... | 32 | 10 | [
{
"comment_id": "6664035",
"author": "BW",
"timestamp": "2023-07-18T15:36:45",
"content": "A non-vegan battery is a bizarre concept (yes, I know early galvanic experiments were done with frogs’ legs)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6664039",
... | 1,760,372,229.957027 | ||
https://hackaday.com/2023/07/18/tesla-door-phone-decoded-not-that-tesla/ | Tesla Door Phone Decoded (Not That Tesla) | Al Williams | [
"Reverse Engineering"
] | [
"pwm",
"reverse engineering"
] | [Danman] has digital door phones manufactured by Tesla — or at least,
a
Tesla, as they’re not to be confused with the carmaker, though. The problem is if someone comes to the door when no one’s home, there’s no remote indicator. The answer?
Reverse engineer the protocol
and fix it.
A quick dump on a storage scope showe... | 6 | 2 | [
{
"comment_id": "6664145",
"author": "IIVQ",
"timestamp": "2023-07-18T21:47:49",
"content": "I have read many articles about intercom systems. They always seem to have very weird protocols, with leads to ultimate vendor lock-in. My 90-apt building’s entire intercom system including cabling had to be... | 1,760,372,230.190724 | ||
https://hackaday.com/2023/07/18/do-you-have-an-old-hitachi-computer-you-might-just-have-beos-without-realizing-it/ | Do You Have An Old Hitachi Computer? You Might Just Have BeOS Without Realizing It | Jenny List | [
"Retrocomputing"
] | [
"1990s",
"BeOS",
"hitachi"
] | There was a moment in the years spanning the move from 16-bit platforms to 32-bit, during which it looked for a moment as though there might be a few new operating system contenders making a mark on the desktop.
Does this PC look familiar to you?
This was the period that gave rise to the “Year of Linux on the desktop” ... | 43 | 11 | [
{
"comment_id": "6663975",
"author": "Mathias",
"timestamp": "2023-07-18T11:20:20",
"content": "I actually tried BeOS at some point. It was amazing – at least for the few things I could do. I remember on Windows (95?) I couldn’t have MP3s playing on Winamp and scroll some files in the explorer windo... | 1,760,372,230.10349 | ||
https://hackaday.com/2023/07/18/practical-inductors-in-ltspice/ | Practical Inductors In LTSpice | Al Williams | [
"Parts",
"Software Hacks"
] | [
"inductor",
"LTSpice",
"SPICE"
] | LTSpice and the underlying Spice engine does a great job of simulating ideal components. But it is also capable — if you know how — of handling models of real-world devices. Inductors, for example, are one of the most imperfect components. Their constituent wire has resistance, and there is parasitic capacitance betwee... | 8 | 4 | [
{
"comment_id": "6663960",
"author": "IIVQ",
"timestamp": "2023-07-18T08:59:26",
"content": "So an inductor has flux and has capacitance. What happens at 88MPH?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6663971",
"author": "Alan",
"times... | 1,760,372,230.149275 | ||
https://hackaday.com/2023/07/17/building-a-minipet-is-better-with-friends/ | Building A MiniPET Is Better With Friends | Adam Fabio | [
"Retrocomputing"
] | [
"6502 processor",
"Chuck Peddle",
"MOS",
"pet",
"retrocomputing",
"Taylor and Amy",
"vintage"
] | [Taylor and Amy] love taking on retro computer projects. This week they’re
building a MiniPET
from Tynemouth and The Future is 8 Bit. It’s a pretty awesome kit which sadly isn’t available anymore. Taylor bought one of the last ones as part of a charity sale at the 2023
Vintage Computer Festival Southwest
.
If you have... | 4 | 3 | [
{
"comment_id": "6663943",
"author": "elwing",
"timestamp": "2023-07-18T06:06:41",
"content": "Assuming you used a pin straightener (ours had a metal rails and ball bearing on the sides and you just slid chip through it), the major risk during insertion is that you tend to insert one row before the ... | 1,760,372,230.319848 | ||
https://hackaday.com/2023/07/17/this-risc-v-cpu-games-in-rust-from-inside-the-game/ | This RISC-V CPU Games In Rust From Inside The Game | Jonathan Bennett | [
"computer hacks",
"Games",
"News"
] | [
"nand2tetris",
"RISC-V",
"Terraria"
] | [Xander Naumenko] has created something truly impressive — a
working RISC-V CPU completely contained in a Terraria world
. And then for added fun, he wrote the game of pong, playable in real time, from within the game of Terraria. It’s all based on the in-game wiring system, combined with a bit of a hack that uses the ... | 14 | 7 | [
{
"comment_id": "6663921",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-18T03:36:05",
"content": "I fear that if one iterates further in this operation, a spontaneous recursion will result in taking us either forward or backward to The Singularity.",
"parent_id": null,
... | 1,760,372,230.413574 | ||
https://hackaday.com/2023/07/17/glasnost-is-a-computer-that-makes-transparency-a-priority/ | GLASNOST Is A Computer That Makes Transparency A Priority | Bryan Cockfield | [
"computer hacks"
] | [
"computer",
"core memory",
"gate",
"glasnost",
"logic",
"soviet",
"vacuum tube"
] | We live in a world where most of us take the transistor for granted. Within arm’s length of most people reading this, there are likely over ten billion of them sending electrons in every direction. But the transistor was not the first technology to come around to make the computer a possibility, but if you go to the le... | 7 | 3 | [
{
"comment_id": "6663888",
"author": "YGDES",
"timestamp": "2023-07-17T23:20:03",
"content": "Ah, Paul Kocyla, of course ! :-D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6664175",
"author": "BDR",
"timestamp": "2023-07-18T23:58:51",
... | 1,760,372,230.361096 | ||
https://hackaday.com/2023/07/17/hackaday-prize-2023-tilting-mechanical-panels-make-a-beautiful-display/ | Hackaday Prize 2023: Tilting Mechanical Panels Make A Beautiful Display | Donald Papp | [
"Art",
"The Hackaday Prize"
] | [
"3d printed",
"art",
"display",
"mechanical display",
"servo",
"sg90"
] | Mechanical displays use a variety of different methods to represent data with physical objects, and [AIRPOCKET]’s
Mechanical Display
aims to be a platform anyone can use. Each “pixel” in this display is a panel of some kind, and different effects can be had by moving individual panels to different angles. Not only can ... | 13 | 6 | [
{
"comment_id": "6663860",
"author": "a_do_z",
"timestamp": "2023-07-17T21:41:46",
"content": "Interesting.Maybe the camera angle in the top video isn’t doing it justice. I have a hard time reading the message until I squint or, even more effectively, take off my glasses.How well does it reflect lig... | 1,760,372,230.515057 | ||
https://hackaday.com/2023/07/17/remote-code-execution-on-an-oscilloscope/ | Remote Code Execution On An Oscilloscope | Bryan Cockfield | [
"Security Hacks"
] | [
"arbitrary code execution",
"binary",
"curl",
"exploit",
"firmware",
"network",
"oscilloscope",
"rigol",
"security",
"vulnerability"
] | There are a huge number of products available in the modern world that come with network connectivity now, when perhaps they might be better off with out it. Kitchen appliances like refrigerators are the classic example, but things like lightbulbs, toys, thermostats, and door locks can all be found with some sort of In... | 10 | 4 | [
{
"comment_id": "6663816",
"author": "smellsofbikes",
"timestamp": "2023-07-17T18:46:25",
"content": "I thought this was really impressive when I read it the other day, and am looking around our lab. We have at least 20 different kinds of test instruments that are capable of remote operation by web... | 1,760,372,230.462369 | ||
https://hackaday.com/2023/07/17/discussing-the-finer-points-of-space-worthy-software/ | Discussing The Finer Points Of Space-Worthy Software | Tom Nardi | [
"Hackaday Columns",
"Slider",
"Space"
] | [
"cubesat",
"Hack Chat",
"nasa",
"software development",
"spacecraft"
] | At the dawn of the Space Race, when computers were something that took up whole rooms, satellites and probes had to rely on analog electronics to read from their various sensors and transmit the resulting data to the ground. But it wasn’t long before humanity’s space ambitions outgrew these early systems, which lead to... | 28 | 9 | [
{
"comment_id": "6663799",
"author": "nonconformingnomad",
"timestamp": "2023-07-17T17:48:38",
"content": "Thank you so much for this article! This is fascinating! Such an interesting shift of perspective from our everyday ‘tech’ software engineering (where I admit to ‘moving fast’ and ‘breaking thi... | 1,760,372,230.608496 |
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