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https://hackaday.com/2024/06/21/build-your-own-tape-recorder-player/ | Build Your Own Tape Recorder/Player | Al Williams | [
"home entertainment hacks"
] | [
"tape deck",
"tape head",
"tape player",
"tape recorder"
] | If you want to read something from magnetic tape, you need a tape head, right? Or you could do like [Igor Brichkov] and
make your own
. It looks surprisingly simple. He used a washer with a small slot cut in it and a coil of wire.
The first experiment, in the first video below, is using a commercial tape head connected... | 14 | 4 | [
{
"comment_id": "6769627",
"author": "Senile Data Systems",
"timestamp": "2024-06-21T23:15:51",
"content": "I recently built a tape player (just a player) out of a full logic car radio cassette player (no erase head, so no recording). The player mech was virgin but the radio was coded, so I reverse-... | 1,760,371,877.575106 | ||
https://hackaday.com/2024/06/21/tiny-tapeout-4-a-pwm-clone-of-covox-speech-thing/ | Tiny Tapeout 4: A PWM Clone Of Covox Speech Thing | Dave Rowntree | [
"hardware"
] | [
"ASIC",
"audio",
"dac",
"fpga",
"Github Actions",
"pwm",
"retrocomputing",
"synthesis",
"testbench",
"tinytapeout",
"verilog"
] | Tiny Tapout is an interesting project, leveraging the power of cloud computing and collaborative purchasing to make the mysterious art of IC design more accessible for hardware hackers. [Yeo Kheng Meng] is one such hacker, and they have produced their
very first custom IC
for use with their retrocomputing efforts. As t... | 4 | 3 | [
{
"comment_id": "6769711",
"author": "Benjamin HENRION",
"timestamp": "2024-06-22T10:13:37",
"content": "PC Parallel Port! Do you know if this card can be used for JTAG? I have old JTAG software that still require parallel port, but I see it requires an old 4.4 LTS Linux kernel:https://www.startech.... | 1,760,371,877.342787 | ||
https://hackaday.com/2024/06/21/2024-business-card-challenge-integrated-game-card/ | 2024 Business Card Challenge: Integrated Game Card | Dave Rowntree | [
"contests",
"Games",
"PCB Hacks"
] | [
"2024 Business Card Challenge"
] | [Dan Schnur] has a simple strategy to ensure their
business card stays on the client’s desk and doesn’t just get lobbed in a drawer
: make it into a simple gaming platform. This entry into the 2024 Business Card Challenge is based around the
tinyjoypad
project, integrating an SSD1306 OLED display, joypad, and push butt... | 10 | 2 | [
{
"comment_id": "6769589",
"author": "brad",
"timestamp": "2024-06-21T19:56:56",
"content": "Cool swag to hand out.To a technical audience, though, use of a tired decades-old 8-bit MCU convey a bit of a stodgy / out-of-date image. If you’re trying to call out how cutting edge and innovative you are,... | 1,760,371,878.010339 | ||
https://hackaday.com/2024/06/23/nearly-30-years-of-freedos-and-looking-ahead-to-the-future/ | Nearly 30 Years Of FreeDOS And Looking Ahead To The Future | Maya Posch | [
"News"
] | [
"freedos"
] | Blinky, the friendly FreeDOS mascot.
The first version of FreeDOS was released on September 16 of 1994, following Microsoft’s decision to cease development on MS-DOS in favor of Windows. This version 0.01 was still an Alpha release, with 0.1 from 1998 the first Beta and the first stable release (1.0, released on Septem... | 27 | 8 | [
{
"comment_id": "6769942",
"author": "Itsemast",
"timestamp": "2024-06-23T10:56:11",
"content": "Been using FreeDOS for ages, and sometimes it’s just the right too for the job. Recently, however, things like USB and networking started to be taken for granted, and on FreeDOS they require extra steps ... | 1,760,371,877.765801 | ||
https://hackaday.com/2024/06/22/clearly-3d-printing/ | Clearly 3D Printing | Al Williams | [
"3d Printer hacks"
] | [
"mouse kit",
"transparent resin"
] | [Joel] picked up a wireless mouse kit. The idea is you get some 3D printing files and hardware. You can print the shell or make modifications to it. You can even design your own shell from scratch. But [Joel] took a different approach. He created a case
with transparent resin
. You can see the impressive result in the ... | 9 | 5 | [
{
"comment_id": "6770045",
"author": "Doug",
"timestamp": "2024-06-23T17:46:00",
"content": "So he used off the shelf transparent resin to print a premade model in a Form 4 printer? What is noteworthy about this? I wouldn’t even call the end result truly transparent as it still diffuses the light qu... | 1,760,371,877.392991 | ||
https://hackaday.com/2024/06/22/in-future-printer-documents-you/ | In Future, Printer Documents You | Al Williams | [
"Peripherals Hacks",
"Security Hacks"
] | [
"machine identification code",
"printers",
"steganography"
] | [Jason Dookeran] reminded us of something we don’t like to think about. Your printer probably adds barely noticeable dots to everything you print. It does it on purpose, so that if you print something naughty, the good guys can figure out what printer it came from. This is the machine identification code and it has bee... | 76 | 27 | [
{
"comment_id": "6769877",
"author": "Haxor",
"timestamp": "2024-06-23T03:04:51",
"content": "At one point, all you had to do was switch to Overhead Transparency mode and the dots would not print.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6770292",
... | 1,760,371,877.961897 | ||
https://hackaday.com/2024/06/22/an-arduino-nano-clone-in-a-dip-sized-footprint/ | An Arduino Nano Clone In A DIP-Sized Footprint | Dan Maloney | [
"Arduino Hacks"
] | [
"arduino",
"atmega328",
"ATtiny3217",
"dip",
"nano",
"smd"
] | Nobody doubts the utility of the Arduino Nano and its many clones, and chances are good you’ve got at least one or two of the tiny dev boards within arm’s reach right now. But as small as it is, the board still takes up a fair amount of real estate, especially on solderless breadboards during the prototyping phase of a... | 33 | 11 | [
{
"comment_id": "6769855",
"author": "Cyna",
"timestamp": "2024-06-23T00:13:58",
"content": "Doubted. And none of them in sight.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6769864",
"author": "WacKEDmaN",
"timestamp": "2024-06-23T01:21:48",
"co... | 1,760,371,877.522369 | ||
https://hackaday.com/2024/06/22/uncovering-chatgpt-usage-in-academic-papers-through-excess-vocabulary/ | Uncovering ChatGPT Usage In Academic Papers Through Excess Vocabulary | Maya Posch | [
"Artificial Intelligence"
] | [
"artifical intelligence",
"ChatGPT"
] | Frequencies of PubMed abstracts containing certain words. Black lines show counterfactual extrapolations from 2021–22 to 2023–24. The first six words are affected by ChatGPT; the last three relate to major events that influenced scientific writing and are shown for comparison. (Credit: Kobak et al., 2024)
That students... | 23 | 11 | [
{
"comment_id": "6769835",
"author": "Dan",
"timestamp": "2024-06-22T22:10:53",
"content": "Interesting! I wonder if this can even distinguish different LLMs?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6769838",
"author": "Steven-X",
"timestamp": "... | 1,760,371,877.453519 | ||
https://hackaday.com/2024/06/22/2024-business-card-challenge-noisecard-judges-the-sound-around-you/ | 2024 Business Card Challenge: NoiseCard Judges The Sound Around You | Kristina Panos | [
"contests",
"Microcontrollers",
"Solar Hacks"
] | [
"2024 Business Card Challenge",
"noise",
"solar",
"stm32",
"STM32G031J6"
] | Let’s face it: even with the rise of the electric car, the world is a noisy place. And it seems like it has only gotten worse in recent years. But how can we easily quantify the noise around us and know whether it is considered an unhealthy decibel level?
That is where the NoiseCard comes in
. This solar-powered soluti... | 6 | 2 | [
{
"comment_id": "6769845",
"author": "Misterlaneous",
"timestamp": "2024-06-22T22:44:05",
"content": "I’m curious how you would calibrate something like this.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6769856",
"author": "Joseph",
"times... | 1,760,371,877.692881 | ||
https://hackaday.com/2024/06/22/thanks-for-the-great-comments/ | Thanks For The Great Comments! | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"comments",
"enclosures",
"newsletter"
] | Every once in a while, there’s a Hackaday article where the comments are hands-down the best part of a post. This happened this week with Al Williams’
Ask Hackaday: How Do You Make Front Panels?
. I guess it’s not so surprising that the comments were full of awesome answers – it was an “Ask Hackaday” after all. But you... | 41 | 12 | [
{
"comment_id": "6769760",
"author": "Johnpauljones",
"timestamp": "2024-06-22T15:20:15",
"content": "The billboard in the artwork reminds me of the Led Zeppelin symbols.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6769770",
"author": "Foldi-One",
"... | 1,760,371,877.653425 | ||
https://hackaday.com/2024/06/21/hackaday-podcast-episode-276-a-mac-on-a-pico-ropes-on-the-test-stand-a-battleship-up-on-blocks/ | Hackaday Podcast Episode 276: A Mac On A Pico, Ropes On The Test Stand, A Battleship Up On Blocks | Dan Maloney | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | The week gone by was rich with fun hacks, and Elliot and Dan teamed up this time around to run them down for everyone. The focus this week seemed to trend to old hardware, from the recently revived
Voyager 1
to a 1940s car radio, a homebrew instrument from 1979, a paper tape reader, and a 128k Mac emulator built from a... | 0 | 0 | [] | 1,760,371,878.058891 | ||
https://hackaday.com/2024/06/21/see-them-knocking-with-a-doorbell-alert/ | See Them Knocking With A Doorbell Alert | Kristina Panos | [
"home hacks"
] | [
"555 timer",
"556 timer",
"9v",
"doorbell",
"led"
] | Picture it: you’re on the treadmill, running through a forest, sweating like a pig, and the doorbell rings because a package is being delivered. Would you even hear it? Chances are, if you’re rocking out to music on headphones and your treadmill is as noisy as [Antonio]’s, you wouldn’t, and you’d once again face the dr... | 8 | 4 | [
{
"comment_id": "6769516",
"author": "Misterlaneous",
"timestamp": "2024-06-21T17:03:14",
"content": "This won’t help with all those times that they leave a slip and don’t even knock.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6769533",
"author":... | 1,760,371,878.58539 | ||
https://hackaday.com/2024/06/21/this-week-in-security-chat-control-vulnerability-extortion-and-emoji-malware/ | This Week In Security: Chat Control, Vulnerability Extortion, And Emoji Malware | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"android",
"php",
"This Week in Security"
] | Way back in 2020, I actually read the proposed US legislation known as EARN IT, and
with some controversy
, concluded that much of the criticism of that bill was inaccurate. Well what’s old is new again, except this time
it’s the European Union that’s wrestling
with how to police online Child Sexual Abuse Material (CSA... | 13 | 7 | [
{
"comment_id": "6769480",
"author": "Zoe Nagy",
"timestamp": "2024-06-21T14:21:32",
"content": "https://app.element.io>> Signal > Whatsup",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6769490",
"author": "Anonymus",
"timestamp": "2024-06-21T14:57:05"... | 1,760,371,878.298319 | ||
https://hackaday.com/2024/06/21/polyphase-wireless-ev-fast-charging-moves-forward/ | Polyphase Wireless EV Fast Charging Moves Forward | Navarre Bartz | [
"car hacks",
"Wireless Hacks"
] | [
"charging",
"electric vehicle charger",
"ev",
"high power",
"polyphase",
"Vehicles",
"wireless"
] | While EV charging isn’t that tedious with a cable, for quick trips, being able to just park and have your car automatically charge would be more convenient. Researchers from Oak Ridge National Lab (ORNL) and VW have
moved high-speed wireless EV charging one step closer to reality
.
We’ve seen
fast wireless EV chargers
... | 85 | 15 | [
{
"comment_id": "6769420",
"author": "limroh",
"timestamp": "2024-06-21T11:14:08",
"content": "Well damn, 95% seems incredibly good.But at 270kW that’s still 13,5kW wasted (heat induced somewhere else?).",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6769431... | 1,760,371,878.532848 | ||
https://hackaday.com/2024/06/21/is-that-a-large-smartwatch-or-a-tiny-cray/ | Is That A Large Smartwatch? Or A Tiny Cray? | Al Williams | [
"FPGA",
"Retrocomputing"
] | [
"circular display",
"cray",
"fpga",
"Teensy",
"wristwatch"
] | While we aren’t typically put off by a large wristwatch, we were taken a bit aback by [Chris Fenton]’s latest timepiece — if you can call it that. It’s actually
a 1/25th-scale Cray C90 worn as a wristwatch
. The whole thing started with [Chris] trying to build a Cray in Verilog. He started with a Cray-1 but then moved ... | 7 | 5 | [
{
"comment_id": "6769412",
"author": "Andrew",
"timestamp": "2024-06-21T10:46:10",
"content": "Wow, cray cray.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6769511",
"author": "Rich Quackenbush",
"timestamp": "2024-06-21T16:39:14",
... | 1,760,371,878.34244 | ||
https://hackaday.com/2024/06/20/the-80s-multi-processor-system-that-never-was/ | The ’80s Multi-Processor System That Never Was | Bryan Cockfield | [
"computer hacks"
] | [
"berkeley",
"berkeley risc",
"lisp",
"multi core",
"parallel",
"research",
"risc",
"spur",
"uc berkeley",
"university of california"
] | Until the early 2000s, the computer processors available on the market were essentially all single-core chips. There were some niche layouts that used multiple processors on the same board for improved parallel operation, and it wasn’t until the POWER4 processor from IBM in 2001 and later things like the AMD Opteron an... | 25 | 11 | [
{
"comment_id": "6769343",
"author": "the gambler",
"timestamp": "2024-06-21T05:38:43",
"content": "unless you count plan 9 which IMHO you should. It was an early adopter of a distributed OS and IIRC the original cisco pix used a modified version of plan 9. Granted it is not in the same CPU but it... | 1,760,371,878.403705 | ||
https://hackaday.com/2024/06/20/first-hubble-image-taken-in-new-single-gyro-pointing-mode/ | First Hubble Image Taken In New Single Gyro Pointing Mode | Maya Posch | [
"Space"
] | [
"Hubble Space Telescope"
] | After Space Shuttle
Atlantis’
drive-by repair of the Hubble Space Telescope (HST) in May of 2009, the end of the STS program meant that the space telescope had to fend for itself with no prospect for any further repair missions. The weakest point turned out to be the gyroscopes, with of the original six only three func... | 15 | 3 | [
{
"comment_id": "6769340",
"author": "schobi",
"timestamp": "2024-06-21T05:15:51",
"content": "As I understand, the gyros are used mainly for measuring and controlling during large scale orientation changes. This process now takes longer, as they rely on star trackers that were not fast enough and s... | 1,760,371,878.238338 | ||
https://hackaday.com/2024/06/20/adding-texture-to-3d-prints/ | Adding Texture To 3D Prints | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"blender",
"texture"
] | [3DJake] likes putting textures on 3D prints using things like patterned build plates and fuzzy skin. However, both of those techniques have limitations. The build plate only lets you texture the bottom, and the fuzzy skin texture isn’t easy to control. So he shows how to use Blender to
create specific textures
to prod... | 20 | 12 | [
{
"comment_id": "6769312",
"author": "Steven Clark",
"timestamp": "2024-06-20T23:12:53",
"content": "I wonder if you could build a fabric texture like denim that intentionally used the layer lines as one axis of the weave.",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,371,878.729614 | ||
https://hackaday.com/2024/06/20/electronic-etch-a-sketch-no-microcontroller-required/ | Electronic Etch-A-Sketch, No Microcontroller Required | Dan Maloney | [
"Toy Hacks"
] | [
"7400-series",
"demultiplex",
"discrete",
"encoder",
"etch a sketch",
"led",
"logic",
"matrix",
"multiplex",
"sram"
] | In a lot of ways, Etch-A-Sketch is the perfect toy; simple, easy to use, creative, endlessly engaging, and as a bonus, it’s completely mechanical. We find that last attribute to be a big part of its charm, but that’s not to say an electronic version of the classic toy can’t be pretty cool, especially when it’s done
wit... | 8 | 5 | [
{
"comment_id": "6769275",
"author": "scott_tx",
"timestamp": "2024-06-20T20:14:12",
"content": "looking at that mess of wires I’ll take the micro controller thank you.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6769279",
"author": "gfc",
"timestam... | 1,760,371,878.631345 | ||
https://hackaday.com/2024/06/20/arduino-tft-micro-star-chart/ | Arduino + TFT = Micro Star Chart | Al Williams | [
"Arduino Hacks",
"classic hacks"
] | [
"arduino",
"planetarium"
] | We always look at the round LCDs and wonder what to do with them other than, of course, a clock. Well, [shabaz] had a great idea: use it as
a star map display
. The project combines the Arduino, a round TFT, a GPS receiver, and some external flash memory to store data. You can get by without the GPS receiver or flash m... | 9 | 5 | [
{
"comment_id": "6769242",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-06-20T19:06:46",
"content": "I was thinking about using round LCDs as guages in a dashboard.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6769252",
"author": "... | 1,760,371,878.676333 | ||
https://hackaday.com/2024/06/20/ask-hackaday-how-do-you-make-front-panels/ | Ask Hackaday: How Do You Make Front Panels? | Al Williams | [
"Ask Hackaday",
"Hackaday Columns"
] | [
"Ask Hackaday",
"front panel"
] | We’ll admit it. The closer a project is to completion, the less enthusiasm we have for it. Once the main design is clearly going to work on a breadboard, we’re ready to move on to the next one. We don’t mind the PCB layout, especially with modern tools. However, once the board is done, you have to do the case. Paradoxi... | 49 | 29 | [
{
"comment_id": "6769202",
"author": "Canuckfire",
"timestamp": "2024-06-20T17:28:53",
"content": "Hey, this is me!I love the designing and building part, but I have a shelf of projects in antistatic bags and plastic bins that effectively died at the enclosure stage.I get the process to make an encl... | 1,760,371,879.205303 | ||
https://hackaday.com/2024/06/20/watch-sls-3d-printed-parts-become-printed-circuits/ | Watch SLS 3D Printed Parts Become Printed Circuits | Donald Papp | [
"chemistry hacks",
"PCB Hacks"
] | [
"3d printed",
"circuit board",
"copper clad",
"nylon",
"pcb",
"sls",
"soldering"
] | [Ben Krasnow] of the
Applied Science
channel recently released a video demonstrating
his process for getting copper-plated traces reliably embedded into sintered nylon powder (SLS) 3D printed parts
, and shows off a variety of small test boards with traces for functional circuits embedded directly into them.
Here’s how... | 38 | 11 | [
{
"comment_id": "6769161",
"author": "a_do_z",
"timestamp": "2024-06-20T15:42:24",
"content": "I hope this guy always uses his powers for good.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6769170",
"author": "The Commenter Formerly Known As Ren",
"t... | 1,760,371,878.8456 | ||
https://hackaday.com/2024/06/20/can-you-freeze-dry-strawberries-without-a-machine/ | Can You Freeze-Dry Strawberries Without A Machine? | Kristina Panos | [
"chemistry hacks",
"cooking hacks",
"Featured",
"how-to",
"Skills"
] | [
"dry ice",
"freeze drying",
"strawberries"
] | Summer has settled upon the northern hemisphere, which means that it’s time for sweet, sweet strawberries to be cheap and plentiful. But would you believe they taste even better in freeze-dried format? I wouldn’t have ever known until I happened to get on a health kick and was looking for new things to eat. I’m not sur... | 45 | 18 | [
{
"comment_id": "6769127",
"author": "przemek",
"timestamp": "2024-06-20T14:15:00",
"content": "I think you mostly just froze them; to dry out they would need to be frozen for longer and probably kept in some sort of partial vacuum, because water sublimation rate from ice is bound to be slow. I wond... | 1,760,371,878.957398 | ||
https://hackaday.com/2024/06/20/probably-the-cheapest-mac-emulation-hardware/ | Probably The Cheapest Mac Emulation Hardware | Jenny List | [
"Mac Hacks"
] | [
"hackintosh",
"Mac 128",
"pi pico",
"rp2040"
] | There are many ways to build your own Macintosh clone, and while the very latest models remain a little inaccessible, there are plenty of Intel-based so-called “Hackintoshes” which deliver an almost up-to-date experience. But the Mac has been around for a very long time now, and its earliest incarnation only has 128k o... | 20 | 7 | [
{
"comment_id": "6769093",
"author": "David",
"timestamp": "2024-06-20T12:50:18",
"content": "“over twice the Mac’s memory”Twice 128K is still a very small number.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6769256",
"author": "Julian Skidmore",
... | 1,760,371,879.016441 | ||
https://hackaday.com/2024/06/20/uv-k5-all-band-mod-part-2-easier-install-better-audio-and-two-antennas/ | UV-K5 All-Band Mod, Part 2: Easier Install, Better Audio, And Two Antennas | Dan Maloney | [
"Radio Hacks"
] | [
"amateur radio",
"firmware",
"ham",
"handy talkie",
"ht",
"Quansheng",
"uv k5"
] | OK, it’s official: the Quansheng UV-K5 is the king of hackable ham radios — especially now that
a second version of the all-band hardware and firmware mod
has been released, not to mention a new version of the radio.
If you need to get up to speed, check out
our previous coverage of the all-band hack for the UV-K5
, in... | 48 | 14 | [
{
"comment_id": "6769071",
"author": "doppler",
"timestamp": "2024-06-20T10:04:09",
"content": "Something tells me “Don’t do it!”. Could it be the transmit section spurs would be inadequacy of filters left over. ie: uhf, vhf high frequencies. Or big fines to the HAM’s for unknowingly transmitting... | 1,760,371,879.409124 | ||
https://hackaday.com/2024/06/19/what-you-can-see-with-a-sem/ | What You Can See With A SEM? | Al Williams | [
"Science",
"Tool Hacks"
] | [
"scanning electron microscope"
] | The last time we used a scanning electron microscope (a SEM), it looked like something from a bad 1950s science fiction movie. These days
SEMs
, like the one at the IBM research center, look like computers with a big tank poised nearby. Interestingly, the SEM is so sensitive that it has to be in a quiet room to prevent... | 4 | 4 | [
{
"comment_id": "6769077",
"author": "Paul",
"timestamp": "2024-06-20T10:56:15",
"content": "I remember those great hulking cantankerous EMs too. But Hitachi (and others) have had nice tabletop SEMs for more than 25 years now. Originally looking like a cube minifridge back then, they are even smal... | 1,760,371,879.251789 | ||
https://hackaday.com/2024/06/19/mapping-litter-in-the-oceans-from-space-with-existing-satellites/ | Mapping Litter In The Oceans From Space With Existing Satellites | Maya Posch | [
"green hacks",
"Space"
] | [
"environmental monitoring",
"pollution"
] | Aerial drone image of a litter windrow in Bay of Biscay, Spain. Windrow width: 1-2 meters. (Credit: ESA)
Recently ESA
published the results
of a proof-of-concept study into monitoring marine litter using existing satellites, with promising results for the Mediterranean study area. For the study, six years of historical... | 25 | 6 | [
{
"comment_id": "6769003",
"author": "echodelta",
"timestamp": "2024-06-20T02:21:46",
"content": "Skimmers make sense if this stuff forms strips. Real-time data and a robot could get a lot.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6769660",
"au... | 1,760,371,879.320114 | ||
https://hackaday.com/2024/06/19/floss-weekly-episode-788-matrix-its-git-for-communications/ | FLOSS Weekly Episode 788: Matrix, It’s Git, For Communications | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"FLOSS Weekly",
"matrix"
] | This week
Jonathan Bennett
and
Simon Phipps
chat with Matthew Hodgson and Josh Simmons about Matrix, the open source decentralized communications platform. How is Matrix a Git for Communications? Are the new EU and UK laws going to be a problem? And how is the Matrix project connected with the Element company?
–
https:... | 6 | 2 | [
{
"comment_id": "6769002",
"author": "Gravis",
"timestamp": "2024-06-20T02:21:00",
"content": "*sigh* People are always trying to reinvent IRC. Seriously, just use IRC, it’s a good system.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6769009",
"aut... | 1,760,371,879.503791 | ||
https://hackaday.com/2024/06/19/a-simple-laser-harp-midi-instrument/ | A Simple Laser Harp MIDI Instrument | Dave Rowntree | [
"Musical Hacks"
] | [
"ESP32",
"laser cut",
"laser harp",
"ldr",
"midi",
"perfboard",
"wemos d1 mini"
] | Craig Lindley is a technical author and a prolific maker of things. This simple project was his first attempt to create a
laser harp MIDI device
. While on vacation, Craig saw a laser harp with only three strings and decided to improve upon it by expanding it to twelve strings. The principle of operation is straightfor... | 5 | 2 | [
{
"comment_id": "6768977",
"author": "0xdeadbeef",
"timestamp": "2024-06-19T23:15:53",
"content": "Why do I count 12 laser diodes in that pic at the top?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6769037",
"author": "Dave Rowntree",
"tim... | 1,760,371,879.456797 | ||
https://hackaday.com/2024/06/19/2024-business-card-challenge-pcb-business-cards-for-everybody/ | 2024 Business Card Challenge: PCB Business Cards For Everybody | Dave Rowntree | [
"contests",
"PCB Hacks"
] | [
"2024 Business Card Challenge",
"enig",
"pcb",
"tips"
] | PCB business cards for electronics engineers might be very much old news in our circles, but they are still cool, not seen too much in the wild, and frankly inaccessible to those in other industries. For their entry into the 2024 Business Card Challenge, [Dima Shlenkevitch] is helping a little to alleviate this by prov... | 21 | 10 | [
{
"comment_id": "6768929",
"author": "BT",
"timestamp": "2024-06-19T19:35:45",
"content": "With exception of NFC you can do all that on cardboard, with more printing options, lower price and much reduced environmental impact. What is the advantage I am missing.",
"parent_id": null,
"depth": ... | 1,760,371,879.567768 | ||
https://hackaday.com/2024/06/19/taking-a-look-underneath-the-battleship-new-jersey/ | Taking A Look Underneath The BattleshipNew Jersey | Tom Nardi | [
"Engineering",
"Featured",
"History",
"Slider"
] | [
"battleship",
"preservation",
"restoration",
"tour",
"world war II"
] | By the time you read this the
Iowa
-class battleship USS
New Jersey
(BB-62) should be making its way along the Delaware River, heading back to its permanent mooring on the Camden waterfront after undergoing a twelve week maintenance and repair period at the nearby Philadelphia Navy Yard.
The 888 foot (270 meter) long s... | 41 | 18 | [
{
"comment_id": "6768906",
"author": "jbx",
"timestamp": "2024-06-19T17:51:27",
"content": "…”sprayed with soapy water and closely inspected for bubbles”.I apply the same process when repairing a punctured inner tube on my bicycle.Bicycles and battleships are not so different…",
"parent_id": nul... | 1,760,371,879.661014 | ||
https://hackaday.com/2024/06/19/open-source-your-air-ride-suspension/ | Open Source Your Air Ride Suspension | Navarre Bartz | [
"car hacks"
] | [
"active suspension",
"air ride",
"air suspension",
"lowrider"
] | Air ride suspensions have several advantages over typical arrangements, but retrofitting a system to a vehicle that didn’t come with it can get pricey fast, especially if you want to go beyond the basics. The
Open Source Air Suspension Management Controller
aims to give people a fully customizable system without the ex... | 8 | 2 | [
{
"comment_id": "6769044",
"author": "Jan",
"timestamp": "2024-06-20T07:06:50",
"content": "I can’t help thinking about this scene (Leslie Nielson in “Wrongfully accused”):https://www.youtube.com/watch?v=XFHpCGbyalI",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,371,879.705102 | ||
https://hackaday.com/2024/06/19/linux-fu-kernel-modules-have-privileges/ | Linux Fu: Kernel Modules Have Privileges | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Slider"
] | [
"linux",
"linux kernel modules"
] | I did something recently I haven’t done in a long time: I recompiled the Linux kernel. There was a time when this was a common occurrence. You might want a feature that the default kernel didn’t support, or you might have an odd piece of hardware. But these days, in almost all the cases where you need something like th... | 13 | 6 | [
{
"comment_id": "6768860",
"author": "jpa",
"timestamp": "2024-06-19T14:17:09",
"content": "I wonder what the heading (“Kernel Modules Have Privileges”) is trying to convey. It sounded like some kind of way to limit what kernel modules can do, which would be great for security, but apparently it is ... | 1,760,371,879.760418 | ||
https://hackaday.com/2024/06/19/a-closer-peek-at-the-frame-ar-glasses/ | A Closer Peek At The Frame AR Glasses | Donald Papp | [
"Wearable Hacks"
] | [
"AI glasses",
"ar",
"augmented reality",
"smart glasses",
"wearable display"
] | The Frame AR glasses by Brilliant Labs, which contain a small display, are an entirely different approach to hacker-accessible and affordable AR glasses. [Karl Guttag] has
shared his thoughts and analysis of how the Frame glasses work and are constructed
, as usual leveraging his long years of industry experience as he... | 11 | 5 | [
{
"comment_id": "6768840",
"author": "Bill Gates",
"timestamp": "2024-06-19T12:29:21",
"content": "reminds me somewhat of den-noh-coil [ the anime ] .Everyone wore those “AR” glasses.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6768861",
"author": "Manf... | 1,760,371,879.905706 | ||
https://hackaday.com/2024/06/19/bent-shaft-isnt-a-bad-thing-for-this-pericyclic-gearbox/ | Bent Shaft Isn’t A Bad Thing For This Pericyclic Gearbox | Dan Maloney | [
"News"
] | [
"bevel",
"gear",
"nutation",
"pericyclic",
"power transmission",
"ring gear",
"torque"
] | With few exceptions, power transmission is a field where wobbling is a bad thing. We generally want everything running straight and true, with gears and wheels perfectly perpendicular to their shafts, with everything moving smoothly and evenly. That’s not always the case, though, as
this pericyclic gearbox demonstrates... | 14 | 5 | [
{
"comment_id": "6768816",
"author": "Hopo28",
"timestamp": "2024-06-19T10:36:00",
"content": "Looks like the same principal as Strain Wave Gearing in a different plane, I like it :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6768821",
"author": "Zoe ... | 1,760,371,880.027892 | ||
https://hackaday.com/2024/06/18/human-brains-can-tell-deepfake-voices-from-real-ones/ | Human Brains Can Tell Deepfake Voices From Real Ones | Maya Posch | [
"Science"
] | [
"Deepfake",
"fMRI",
"voice synthesis"
] | Although it’s generally accepted that synthesized voices which mimic real people’s voices (so-called ‘deepfakes’) can be pretty convincing, what does our brain really think of these mimicry attempts? To answer this question, researchers at the University of Zurich put a number of volunteers into fMRI scanners, allowing... | 25 | 10 | [
{
"comment_id": "6768760",
"author": "alialiali",
"timestamp": "2024-06-19T06:38:42",
"content": "OpenAI lawyers will be frantically taking notes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6768775",
"author": "ophelia vanity",
"timestamp": "2024-0... | 1,760,371,879.970512 | ||
https://hackaday.com/2024/06/18/lindroid-promises-true-linux-on-android/ | Lindroid Promises True Linux On Android | Al Williams | [
"Android Hacks",
"Phone Hacks"
] | [
"android",
"linux"
] | Since Android uses Linux, you’d think it would be easier to run Linux apps on your Android phone or tablet. There are some solutions out there, but the experience is usually less than stellar. A new player,
Lindroid
, claims to provide real Linux distributions with hardware-accelerated Wayland on phones. How capable is... | 16 | 8 | [
{
"comment_id": "6768725",
"author": "Greg Chabala",
"timestamp": "2024-06-19T02:48:36",
"content": "Since Android uses Linux, I’m more surprised it’s not easier to run Android apps directly on Linux without a whole bunch of virtualization tooling.",
"parent_id": null,
"depth": 1,
"repli... | 1,760,371,880.085984 | ||
https://hackaday.com/2024/06/18/programming-robots-is-hard-figuring-out-how-to-make-it-easier-is-harder/ | Programming Robots Is Hard, Figuring Out How To Make It Easier Is Harder | Donald Papp | [
"Robots Hacks"
] | [
"framework",
"product design",
"robotics"
] | [Benjie Holson] is an experienced roboticist and wrote an interesting article published on IEEE Spectrum about how
the idea most people have of non-roboticists is a myth, and efforts to target this group with simplified robotic frameworks tend to be doomed
.
Now, let’s make a couple things absolutely clear right up fro... | 12 | 5 | [
{
"comment_id": "6768706",
"author": "Hank",
"timestamp": "2024-06-19T01:41:50",
"content": "That article makes a lot of good points. The section on BS complexity hits particularly hard. Anyone who’s worked on robotics shares this pain. I’ll work for 10 hours straight on a 3D transformation and mapp... | 1,760,371,880.442594 | ||
https://hackaday.com/2024/06/18/astroscales-adras-j-satellite-takes-up-close-photo-of-discarded-rocket-stage/ | Astroscale’s ADRAS-J Satellite Takes Up-Close Photo Of Discarded Rocket Stage | Maya Posch | [
"Space"
] | [
"deorbiting",
"space debris",
"space junk"
] | Although there is a lot of space in Earth orbit, there are also some seriously big man-made objects in those orbits, some of which have been there for decades. As part of efforts to remove at least some of this debris from orbit, Astroscale’s ADRAS-J (“Active Debris Removal by Astroscale-Japan”) satellite has been part... | 23 | 9 | [
{
"comment_id": "6768618",
"author": "make piece not war",
"timestamp": "2024-06-18T21:18:59",
"content": "So the next mark of the satellite will have a stick to poke the debris into lower orbit?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6768643",
... | 1,760,371,880.386311 | ||
https://hackaday.com/2024/06/18/recovering-an-agilent-2000a-3000a-oscilloscope-with-corrupt-firmware-nand-flash/ | Recovering An Agilent 2000a/3000a Oscilloscope With Corrupt Firmware NAND Flash | Maya Posch | [
"Repair Hacks",
"Reverse Engineering"
] | [
"agilent",
"oscilloscope"
] | Everyone knows that you can never purchase enough projects off EBay, lest boredom might inadvertently strike. That’s why [Anthony Kouttron] got his mitts on an Agilent DSO-X 2014A digital oscilloscope that was being sold as defective and not booting, effectively just for parts. When [Anthony]
received the unit
, this t... | 21 | 8 | [
{
"comment_id": "6768599",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-06-18T19:18:21",
"content": "Nice work!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6768617",
"author": "Anthony Kouttron",
"timestamp": "2024-0... | 1,760,371,880.207074 | ||
https://hackaday.com/2024/06/18/the-guinness-brewery-invented-one-of-sciences-most-important-statistical-tools/ | The Guinness Brewery Invented One Of Science’s Most Important Statistical Tools | Donald Papp | [
"Beer Hacks",
"Science"
] | [
"beer",
"guinness",
"sampling",
"science",
"statistics",
"stout",
"t-test"
] | The Guinness brewery has a long history of innovation, but did you know that it was the birthplace of the
t
-test? A
t
-test is usually what underpins a declaration of results being “statistically significant”.
Scientific American
has a fascinating article
all about how the Guinness brewery (and one experimental brewer... | 12 | 4 | [
{
"comment_id": "6768528",
"author": "Paul",
"timestamp": "2024-06-18T16:06:44",
"content": "I wonder if the history of the location influenced the MIT Media Lab when they set up Media Lab Europe across the street. Weird location to see them. I assumed it was just the proximity to the beer. It’s... | 1,760,371,880.499963 | ||
https://hackaday.com/2024/06/18/design-review-switching-regulator-edition/ | PCB Design Review: Switching Regulator Edition | Arya Voronova | [
"Hackaday Columns",
"News",
"Slider"
] | [
"pdb design",
"review",
"switching regulator"
] | This article was prompted by a friend of mine asking for help on a board with an ESP32 heart. The board outputs 2.1 V instead of 3.3 V, and it doesn’t seem like incorrectly calculated feedback resistors are to blame – let’s take a look at the layout. Then, let’s also take a look at a recently sent in design review entr... | 18 | 6 | [
{
"comment_id": "6768473",
"author": "pelrun",
"timestamp": "2024-06-18T14:44:57",
"content": "> it appears this regulator is designed in a way that all switching circuitry can be.Can be what? I think the end of this sentence got misrouted :)",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,371,880.652398 | ||
https://hackaday.com/2024/06/18/tdk-claims-solid-state-battery-with-100x-energy-density/ | TDK Claims Solid State Battery With 100X Energy Density | Al Williams | [
"Battery Hacks",
"News"
] | [
"batteries",
"solid state batteries"
] | Regulations surrounding disposable batteries have accelerated a quiet race to replace coin cells, which on the whole are not readily rechargeable. TDK produces solid-state batteries and has
announced a new material
that claims an energy density of about 100 times that of their conventional batteries.
Energy density mea... | 49 | 15 | [
{
"comment_id": "6768392",
"author": "Dude",
"timestamp": "2024-06-18T11:16:52",
"content": ">A typical lithium-ion battery usually turns in about 200 – 250 Wh/L.Nope. About 250–693 Wh/LThere’s two energy density metrics. By weight and by volume, and you’re mixing them up. Usually when you see publi... | 1,760,371,880.587107 | ||
https://hackaday.com/2024/06/18/mcdonalds-terminates-its-drive-through-ordering-via-ai-assistant/ | McDonald’s Terminates Its Drive-Through Ordering AI Assistant | Maya Posch | [
"Artificial Intelligence",
"News"
] | [
"McDonald's",
"voice assistant"
] | McDonald’s recently announced that it will be
scrapping the voice-assistant
which it has installed at over 100 of its drive-throughs after a two-year trial run. In the email that was sent to franchises, McDonald’s did say that they are still looking at voice ordering solutions for automated order taking (AOT), but it a... | 72 | 19 | [
{
"comment_id": "6768365",
"author": "pelrun",
"timestamp": "2024-06-18T08:21:37",
"content": "Another instance of why it’s a mistake to contract IBM to do anything, as they pay their lawyers to get out of their contract terms instead of paying their developers to do the job properly in the first pl... | 1,760,371,880.774341 | ||
https://hackaday.com/2024/06/17/a-brief-look-inside-a-homebrew-digital-sampler-from-1979/ | A Brief Look Inside A Homebrew Digital Sampler From 1979 | Dan Maloney | [
"Tool Hacks"
] | [
"adc",
"dac",
"NMOS",
"oscilloscope",
"sampler",
"successive approximation"
] | While we generally prefer to bring our readers as much information about a project as possible, sometimes we just have to go with what we see. That generally happens with new projects and work in progress, but it can also happen with old projects. Sometimes very old indeed, as is the case with
this digital sampling uni... | 12 | 6 | [
{
"comment_id": "6768340",
"author": "Jon H",
"timestamp": "2024-06-18T05:05:09",
"content": "The most impressive thing is the lettering.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6768357",
"author": "CJay",
"timestamp": "2024-06-18T07:0... | 1,760,371,880.834309 | ||
https://hackaday.com/2024/06/17/the-us-surgeon-generals-case-for-a-warning-label-on-social-media/ | The US Surgeon General’s Case For A Warning Label On Social Media | Maya Posch | [
"internet hacks",
"News"
] | [
"internet",
"online safety",
"Social Media"
] | The term ‘Social Media’ may give off a benign vibe, suggesting that it’s a friendly place where everyone is welcome to be themselves, yet reality has borne out that it is anything but. This is the reason why the US Surgeon General [Dr. Vivek H. Murthy] is
pleading for a health warning
label on social media platforms. M... | 68 | 18 | [
{
"comment_id": "6768302",
"author": "frozen rabbit",
"timestamp": "2024-06-18T02:09:29",
"content": "a.k.a. communism",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6768342",
"author": "CJay",
"timestamp": "2024-06-18T05:28:35",
"con... | 1,760,371,880.947231 | ||
https://hackaday.com/2024/06/17/improving-wind-turbine-testing-with-a-better-air-source/ | Improving Wind Turbine Testing With A Better Air Source | Navarre Bartz | [
"green hacks"
] | [
"laminar flow",
"toroidal propeller",
"wind energy",
"wind tunnel",
"Wind turbine"
] | When comparing the efficiency of different wind turbine blade designs, [AdamEnt] found using a hair dryer wasn’t the best tool for the job. Enter his new
3D-printed wind tunnel
.
After several prototypes, [AdamEnt] decided on a design that exploits slicer infill to create a flow straightener without having to do any te... | 16 | 11 | [
{
"comment_id": "6768294",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-06-18T01:33:36",
"content": "I first saw the video was 14 minutes and thought, I don’t have the time for that.But I think he did a great job explaining the problems and solutions encountered, as well as th... | 1,760,371,881.000458 | ||
https://hackaday.com/2024/06/17/harmonic-table-keyboard-brings-old-idea-back-to-life/ | Harmonic Table Keyboard Brings Old Idea Back To Life | Bryan Cockfield | [
"digital audio hacks"
] | [
"axis-49",
"axis-64",
"c-thru",
"cherry mx",
"hall effect",
"harmonic table",
"harmonic table keyboard",
"midi",
"midi polyphonic expression",
"midihex",
"mpe",
"Teensy 4.1"
] | If you missed the introduction of the Axis-49 and Axis-64 keyboards by C-Thru Music, you’re definitely not alone. At the time it was a new musical instrument that was based on the harmonic table, but it launched during the Great Recession and due to its nontraditional nature and poor timing, the company went out of bus... | 11 | 5 | [
{
"comment_id": "6768262",
"author": "Enkerli",
"timestamp": "2024-06-17T20:38:16",
"content": "Unclear that this device complies fully with the MPE specs. Hope it does. There’s been a whole lot of confusion from improper use of the standard.",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,371,881.04423 | ||
https://hackaday.com/2024/06/17/postmarketos-now-boots-on-over-250-devices/ | PostmarketOS Now Boots On Over 250 Devices | Tom Nardi | [
"News",
"Software Development"
] | [
"custom firmware",
"obsolescence",
"postmarketos",
"upcycling"
] | Every year, as consumers gobble up the latest Android devices, more old, but perfectly serviceable, units end up collecting dust in drawers. Or worse, they end up getting tossed in the trash. One of the most promising tools we have to help keep these older devices useful is postmarketOS, a full-fledged Linux distributi... | 43 | 15 | [
{
"comment_id": "6768237",
"author": "RunnerPack",
"timestamp": "2024-06-17T18:42:07",
"content": "Cool! I just got a Surface RT at a yard sale a few weeks ago for $10. I hope the install process is straightforward.Looking forward to support for the Kindle Fire I got for $5 at the same yard sale.",
... | 1,760,371,881.225698 | ||
https://hackaday.com/2024/06/17/the-solar-system-is-weirder-than-you-think/ | The Solar System Is Weirder Than You Think | Elliot Williams | [
"Featured",
"Interest",
"Original Art",
"Science",
"Slider",
"Space"
] | [
"asteroid",
"centaur",
"comet",
"moon",
"Planet",
"Pluto",
"space"
] | When I was a kid, the solar system was simple. There were nine planets and they all orbited in more-or-less circles around the sun. This same sun-and-a-handful-of-planets scheme repeated itself again and again throughout our galaxy, and these galaxies make up the universe. It’s a great story that’s easy to wrap your mi... | 50 | 9 | [
{
"comment_id": "6768207",
"author": "LordNothing",
"timestamp": "2024-06-17T15:56:16",
"content": "9-planet people are just parroting the narrative of yesteryear. i think the bigger problem is that the educational system still thinks making kids learn large tables of useless (sometimes incorrect) i... | 1,760,371,881.139121 | ||
https://hackaday.com/2024/06/17/magic-cane-is-the-secret-behind-lightsaber/ | Magic Cane Is The Secret Behind Lightsaber | Elliot Williams | [
"classic hacks"
] | [
"appearing cane",
"lightsaber",
"magic cane",
"prop"
] | Everyone has a lightsaber or two lying around the house, but
not
everyone has a lightsaber that extends and retracts automatically. And that’s because, in the real world, it’s not an easy design challenge.
[HeroTech]’s solution for the mechanism
is simple and relies on an old magician’s trick: the appearing cane. (Vide... | 23 | 14 | [
{
"comment_id": "6768153",
"author": "MrJohnsBlueEyedDevil",
"timestamp": "2024-06-17T11:08:07",
"content": "“ancient weapons and hokey religions are no substitute for a good blaster at your side”….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6768188",
... | 1,760,371,883.408812 | ||
https://hackaday.com/2024/06/17/preview-markdown-in-the-terminal-with-bash/ | Preview Markdown In The Terminal With Bash | Tom Nardi | [
"Software Hacks"
] | [
"bash",
"Bash script",
"markdown"
] | Markdown has become an extremely popular way to document source code and other projects, thanks in no small part to how well web-based services like GitHub render it. Just sprinkle a few extra characters into a regular text file, and all of a sudden it looks like you know what you’re doing. Unfortunately, there are som... | 12 | 7 | [
{
"comment_id": "6768142",
"author": "wrzwicky",
"timestamp": "2024-06-17T09:02:23",
"content": "If I recall, “line after line of regular expressions” is one of the things Perl is designed for. So not really ‘dark magic’.",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,371,882.995737 | ||
https://hackaday.com/2024/06/16/3d-printing-a-bottle-labeling-assembly-line/ | 3D Printing A Bottle Labeling Assembly Line | Tom Nardi | [
"Tool Hacks"
] | [
"assembly line",
"glue rollers",
"label",
"paper"
] | We’re not completely sure why [Fraens] needs to label so many glass bottles at home. Perhaps he’s brewing his own beer, or making jams. Whatever the reason is, it was justification enough to
build an absolutely incredible labeling machine
that you could mistake for a piece of industrial gear…if it wasn’t for the fact t... | 11 | 4 | [
{
"comment_id": "6768122",
"author": "Steve",
"timestamp": "2024-06-17T06:20:00",
"content": "This kind of stuff is just plain fascinating. It makes me wish I had something that complex to figure out, design, and build, that was actually important enough to spend that kind of time on…I have no idea... | 1,760,371,882.945277 | ||
https://hackaday.com/2024/06/16/siping-a-vintage-phone/ | SIPing A Vintage Phone | Jenny List | [
"hardware"
] | [
"SIP",
"telephone",
"wired phone"
] | Something that’s a bit of fun at hacker camps such as the recent EMF Camp is to bring along a wired phone and hook it up to the on-camp copper network. It’s a number on the camp network, but pleasingly retro. How about doing the same thing at home? Easy enough if you still have a wired landline, but those are now fast ... | 5 | 3 | [
{
"comment_id": "6768143",
"author": "Manfred",
"timestamp": "2024-06-17T09:07:01",
"content": "I use an Auerswald COMpact 5020 VoIP. With that you can user virtually every phone. From a 70 year old W48 to a ISDN or VOIP phone.And it can connect to any type of landline.Also the 5020 is quite ancient... | 1,760,371,882.889397 | ||
https://hackaday.com/2024/06/16/hackaday-links-june-16-2024/ | Hackaday Links: June 16, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"ai",
"chatbot",
"cons",
"facebook",
"hackaday links",
"HOPE XV",
"mouse jiggler",
"OpenSauce",
"RTO",
"scam",
"stl",
"teardown",
"usb",
"work from home"
] | Attention, slackers — if you do remote work for a financial institution,
using a mouse jiggler might not be the best career move
. That’s what a dozen people learned this week as they became former employees of Wells Fargo after allegedly being caught “simulating keyboard activity” while working remotely. Having now sp... | 16 | 11 | [
{
"comment_id": "6768077",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-06-16T23:17:20",
"content": "There are a number of the HOPE XV workshops I would love to attend!I hope (no pun intended) they will be available afterwards online.",
"parent_id": null,
"depth": 1,
... | 1,760,371,883.050458 | ||
https://hackaday.com/2024/06/16/new-part-day-a-hackable-smart-ring/ | New Part Day: A Hackable Smart Ring | Arya Voronova | [
"Reverse Engineering",
"Wearable Hacks"
] | [
"ring",
"Smart ring",
"wearable electronics",
"wearable ring",
"Wearables"
] | We’ve seen prolific firmware hacker [Aaron Christophel] tackle smart devices of all sorts, and he never fails to deliver. This time, he’s exploring a device that seems like it could have come from the pages of a Cyberpunk RPG manual — a shiny chrome
Bluetooth Low Energy (BLE) smart ring
that’s packed with sensors, is r... | 36 | 14 | [
{
"comment_id": "6768071",
"author": "BT",
"timestamp": "2024-06-16T22:34:38",
"content": "The trouble with rings is that one size does not fit all. Unlike watches, making them adjustable is difficult.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6768081",... | 1,760,371,883.336433 | ||
https://hackaday.com/2024/06/16/rc-batwing-actually-flies/ | RC Batwing Actually Flies | Bryan Cockfield | [
"Toy Hacks"
] | [
"3d printed",
"airplane",
"batman",
"batwing",
"EDF",
"electric ducted fan",
"model",
"rc",
"remote control"
] | Batman is a compelling superhero for enough reasons that he’s been a cultural force for the better part of a century. His story has complex characters, interesting explorations of morality, iconic villains, and of course a human superhero who gets his powers from ingenuity instead of a fantastical magical force. There ... | 9 | 4 | [
{
"comment_id": "6768092",
"author": "Dr. Livingston presumed",
"timestamp": "2024-06-17T01:24:26",
"content": "All your englishes are belong to us",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6768119",
"author": "Ian",
"timestamp": "2024-06-17T05:29... | 1,760,371,883.097877 | ||
https://hackaday.com/2024/06/16/esp32-powers-single-pcb-zx-spectrum-emulator/ | ESP32 Powers Single-PCB ZX Spectrum Emulator | Tom Nardi | [
"Microcontrollers",
"Retrocomputing"
] | [
"emulator",
"ESP32-S3",
"recreation",
"ZX Spectrum"
] | When word first got out that the Chinese board houses were experimenting with full color silkscreens, many in our community thought it would be a boon for PCB art. Others believed it would be akin to cheating by removing the inherent limitations of the medium. That’s not a debate that will be solved today, but here we ... | 21 | 14 | [
{
"comment_id": "6768009",
"author": "Ale",
"timestamp": "2024-06-16T15:22:22",
"content": "Nicely done, some Cherry keyswitches would be great though.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6768068",
"author": "Andrew",
"timestamp": ... | 1,760,371,883.267418 | ||
https://hackaday.com/2024/06/16/use-your-thinkpad-x1-tablets-keyboard-standalone/ | Use Your Thinkpad X1 Tablet’s Keyboard Standalone | Arya Voronova | [
"Peripherals Hacks",
"Tablet Hacks"
] | [
"HID keyboard",
"HID usb",
"tablet keyboard",
"thinkpad x1 tablet",
"USB HID Keyboard"
] | Some hacks are implemented well enough that they can imitate involved and bespoke parts with barely any tools. [CodeName X]’s
Thinkpad X1 Tablet Keyboard to USB adapter
is one such hack – it let’s one reuse, with nothing more than a 3D printed part and a spare USB cable, a keyboard intended for the Thinkpad X1 Tablet (... | 8 | 4 | [
{
"comment_id": "6767988",
"author": "Fosselius",
"timestamp": "2024-06-16T12:16:42",
"content": "Now this is a hack :D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6768001",
"author": "Danjovic",
"timestamp": "2024-06-16T14:34:11",
... | 1,760,371,883.207303 | ||
https://hackaday.com/2024/06/16/early-computer-kit-really-just-a-fancy-calculator/ | Early “Computer Kit” Really Just A Fancy Calculator | Alexander Rowsell | [
"computer hacks",
"Retrocomputing"
] | [
"calculator",
"early computer",
"magazine",
"vintage computer"
] | We’re big fans of calculators, computers and vintage magazines, so when we see something at the intersection of all three we always take a look. Back in 1966,
Electronics Illustrated
included instructions in their November issue
on building, in their words, a “Space-Age Decimal Computer!” using neon lamps, a couple of ... | 22 | 14 | [
{
"comment_id": "6767966",
"author": "metalman",
"timestamp": "2024-06-16T09:08:36",
"content": "semantics",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6769873",
"author": "Jeff Wright",
"timestamp": "2024-06-23T02:37:17",
"content"... | 1,760,371,883.163544 | ||
https://hackaday.com/2024/06/15/uncovering-secrets-of-logitech-m185s-dongle/ | Uncovering Secrets Of Logitech M185’s Dongle | Arya Voronova | [
"Peripherals Hacks",
"Reverse Engineering"
] | [
"Ghidra",
"hid",
"HID usb",
"logitech",
"logitech receiver",
"logitech unifying receiver",
"mouse",
"mouse receiver",
"telink",
"usb hid"
] | [endes0] has been hacking with USB HID recently, and a Logitech M185 mouse’s USB receiver
has fallen into their hands
. Unlike many Logitech mice, this one doesn’t include a Unifying receiver, though it’s capable of pairing to one. Instead, it comes with a pre-paired CU0019 receiver that, it turns out, is based on a fa... | 17 | 4 | [
{
"comment_id": "6767948",
"author": "mini",
"timestamp": "2024-06-16T05:17:05",
"content": "Some months ago in an attempt to not have to spend $20 on another unifying receiver, I tried to see if I can use an old, thumbdrive sized dongle that came with a Logitech KBM set.To my surprise it uses almos... | 1,760,371,883.483628 | ||
https://hackaday.com/2024/06/15/educational-breadboard-synth-module/ | Educational Breadboard Synth Module | Alexander Rowsell | [
"Musical Hacks"
] | [
"audio hack",
"audio synth",
"DIY synth",
"educational",
"eurorack",
"experimentation",
"vco"
] | Synth designers [Erica Synths] have devised a very cool, approachable way to get started with DIY synth hacking. Designed around a breadboard, the
EDU DIY LABOR
is a synth module with everything you need to get started. The Basic version comes with potentiometers, switches, and jack sockets, and is aimed more at those ... | 11 | 2 | [
{
"comment_id": "6767939",
"author": "Jon Mayo",
"timestamp": "2024-06-16T03:20:58",
"content": "I have a Hive Mind Synthesis Pixie Dance Floor. Which is a DIY kit that gets a solderless breadboard onto a euroack module. It gets you some buttons and knobs and jacks, and makes it easy to build up a s... | 1,760,371,883.599007 | ||
https://hackaday.com/2024/06/15/when-your-rope-is-your-life/ | When Your Rope Is Your Life | Elliot Williams | [
"Engineering"
] | [
"climbing",
"kevlar",
"rope",
"test jigs"
] | Climbers care a lot about their ropes because their lives literally depend on them. And while there’s been tremendous progress in climbing rope tech since people first started falling onto hemp fibers, there are still accidents where rope failure is to blame.
This long, detailed, and interesting video
from [Hard is Eas... | 16 | 4 | [
{
"comment_id": "6767922",
"author": "Sinep Gupta",
"timestamp": "2024-06-15T23:27:28",
"content": "Catchy thumnail means video is no watchy.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6767924",
"author": "TG",
"timestamp": "2024-06-15T23... | 1,760,371,883.653628 | ||
https://hackaday.com/2024/06/15/an-enigma-machine-built-in-meccano/ | An Enigma Machine Built In Meccano | Bryan Cockfield | [
"History",
"Toy Hacks"
] | [
"Cipher",
"code",
"enigma",
"erector",
"meccano",
"model",
"recreation"
] | As far as model construction sets go, LEGO is by far the most popular brand for building not only pre-planned models but whatever the builder can imagine. There are a few others out there though, some with some interesting features. Meccano (or Erector in North America) is a construction set based around parts that are... | 5 | 3 | [
{
"comment_id": "6767904",
"author": "David Kindltot",
"timestamp": "2024-06-15T21:22:24",
"content": "I was confused, but I think that is because the later models ENIGMA used a plugboard as well, (basically old style phone jack jumpers or RCA cables is what they look like) as a further step of encr... | 1,760,371,883.696573 | ||
https://hackaday.com/2024/06/15/reverse-engineering-makita-batteries-to-revive-them/ | Reverse-Engineering Makita Batteries To Revive Them | Maya Posch | [
"Reverse Engineering"
] | [
"battery",
"battery management system",
"cordless tool",
"makita"
] | Modern lithium-ion battery packs for cordless power tools contain an incredible amount of energy, which necessitates that they come with a range of safeties. Although it’s good when the battery management system (BMS) detects a fault and cuts power to prevent issues, there exist the possibility of false positives. Havi... | 35 | 5 | [
{
"comment_id": "6767869",
"author": "Daniel Dunn",
"timestamp": "2024-06-15T17:47:05",
"content": "OneWire is such a cool protocol. It’s a shame it never got an update, or much use, so many things that are currently done with just plain old “one wire per signal” could be OneWire if we had multimas... | 1,760,371,884.391462 | ||
https://hackaday.com/2024/06/15/giant-brains-or-machines-that-think/ | Giant Brains, Or Machines That Think | Elliot Williams | [
"Hackaday Columns",
"Retrocomputing",
"Slider"
] | [
"ai",
"ancient technology",
"books",
"computers",
"newsletter"
] | Last week, I stumbled on a marvelous book: “
Giant Brains; or, Machines That Think
” by Edmund Callis Berkeley. What’s really fun about it is the way it sounds like it could be written just this year – waxing speculatively about the future when machines do our thinking for us. Except it was written in 1949, and the “th... | 8 | 6 | [
{
"comment_id": "6767845",
"author": "Ostracus",
"timestamp": "2024-06-15T15:07:49",
"content": "Same with perceptron.https://youtu.be/e5dVSygXbAE",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6767925",
"author": "PJ57",
"timestamp": "2024-06-15T23:37... | 1,760,371,884.061629 | ||
https://hackaday.com/2024/06/15/voyager-1-once-again-returning-science-data-from-all-four-instruments/ | Voyager 1 Once Again Returning Science Data From All Four Instruments | Maya Posch | [
"News",
"Space"
] | [
"interstellar space",
"space probe",
"voyager"
] | As humanity’s furthest reach into the Universe so far, the two Voyager spacecraft’s well-being is of utmost importance to many. Although we know that there will be an end to any science mission, the recent near-death experience by Voyager 1 was a shocking event for many. Now it seems that things may have more or less r... | 13 | 5 | [
{
"comment_id": "6767800",
"author": "Owlman",
"timestamp": "2024-06-15T11:16:56",
"content": "The fact that it was possible to diagnose and repair a problem in something so old and so far away is breathtaking. Congratulations to the team who made it work, I rememeber the launch and never imagined i... | 1,760,371,884.201888 | ||
https://hackaday.com/2024/06/15/homebrew-reader-brings-paper-tape-programs-back-to-life/ | Homebrew Reader Brings Paper Tape Programs Back To Life | Dan Maloney | [
"Retrocomputing"
] | [
"altair 8800",
"paper tape",
"phototransistor",
"pwm",
"simulator",
"terminal",
"Wedge"
] | We may be a bit biased, but the storage media of yesteryear has so much more personality than that of today. Yes, it’s a blessing to have terabyte SD cards smaller than your pinky nail and be able to access its data with mind-boggling speed. But there’s a certain charm to
a mass storage device that can potentially slic... | 12 | 8 | [
{
"comment_id": "6767792",
"author": "Owlman",
"timestamp": "2024-06-15T09:11:08",
"content": "That doesn’t look too shabby. Our ICL1916 (I think, though it may have been 1915) reader back in the 1970s did 1000cps without motorised reels; the input tapes went into a compartment on the right that ha... | 1,760,371,884.252816 | ||
https://hackaday.com/2024/06/14/easy-retro-3d-look-with-voxel-displacement-renderer/ | Easy Retro 3D Look With Voxel Displacement Renderer | Maya Posch | [
"Games",
"Software Hacks"
] | [
"GLSL",
"voxel"
] | Voxels are effectively like 3D pixels, and they form an integral part of what is commonly referred to as a ‘retro 3D’ look, with pixelated edges sharp enough to cut your retinas on. The problems with modeling a scene using voxels come in the form of creating the geometry and somehow making a physics engine work with vo... | 9 | 6 | [
{
"comment_id": "6767772",
"author": "Ale",
"timestamp": "2024-06-15T05:55:41",
"content": "Heretic would look great, it has the right kind of textures for this, there are even higher resolution textures like used in the deng (engine).",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,371,884.002599 | ||
https://hackaday.com/2024/06/14/a-lego-cnc-pixel-art-generator/ | A LEGO CNC Pixel Art Generator | Jenny List | [
"cnc hacks",
"Toy Hacks"
] | [
"cnc",
"lego",
"pixel art"
] | If you are ever lucky enough to make the trip to Billund in Denmark, home of LEGO, you can have your portrait taken and rendered in the plastic bricks as pixel art. Having seen that on our travels we were especially interested to watch [Creative Mindstorms]’ video
doing something very similar using an entirely LEGO-bui... | 2 | 2 | [
{
"comment_id": "6767783",
"author": "Feinfinger (M-x totally-tame-mode)",
"timestamp": "2024-06-15T07:36:32",
"content": "Sweet…Now make the canvas flexible in at least one dimension (like a wide paper loop) and build a scrollable lego colour graphics terminal. YAYYYY….Ok. Some research needed to... | 1,760,371,883.942884 | ||
https://hackaday.com/2024/06/14/busted-toilet-paper-as-solder-wick/ | Busted: Toilet Paper As Solder Wick | Dan Maloney | [
"Tech Hacks",
"Tool Hacks"
] | [
"braid",
"busted",
"capillary action",
"debunk",
"desolder",
"flux",
"paper",
"solder",
"toilet paper",
"wick"
] | It didn’t take long for us to get an answer to the question nobody was asking: Can you use toilet paper as solder wick? And unsurprisingly,
the answer is a resounding “No.”
Confused? If so, you probably missed
our article a few days ago
describing the repair of corroded card edge connectors with a bit of homebrew HASL.... | 29 | 15 | [
{
"comment_id": "6767728",
"author": "Sheesh.",
"timestamp": "2024-06-14T23:31:44",
"content": "LOL, seriously?You blob on solder till it’s flowing freely, then wipe the excess off the edge of the edge-connector, with TP. Simple.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,884.319742 | ||
https://hackaday.com/2024/06/14/2024-business-card-challenge-baudi-o-for-the-audio-hacker/ | 2024 Business Card Challenge: BAUDI/O For The Audio Hacker | Dave Rowntree | [
"contests",
"PCB Hacks"
] | [
"2024 Business Card Challenge",
"AD5252",
"audio",
"dac",
"digipit",
"LM4562",
"pcm2706",
"VU meter"
] | [Simon B] enters our 2024 Business Card Challenge with
BAUDI/O
, a genuinely useful audio output device. The device is based around the PCM2706 DAC, which handles all the USB interfacing and audio stack for you, needing only a reference crystal and the usual sprinkling of passives. This isn’t just a DAC board, though; ... | 6 | 3 | [
{
"comment_id": "6767770",
"author": "ono",
"timestamp": "2024-06-15T05:24:18",
"content": "Sorry i fail to understand how useful it as as a “audio experimentation tool”.The AT1614 used as VU-meter ?Or the second micro used to control the input level ?It’ s just a plain USB soundcard….",
"paren... | 1,760,371,884.442091 | ||
https://hackaday.com/2024/06/14/rip-lynn-conway-whose-work-gave-us-vlsi-and-much-more/ | RIP Lynn Conway, Whose Work Gave Us VLSI And Much More | Jenny List | [
"Biography",
"Current Events",
"Featured",
"News",
"Original Art",
"Slider"
] | [
"Lynn Conway",
"obituary",
"vlsi"
] | Lynn Conway, American engineer and computer scientist,
passed away at the age of 86 from a heart condition on June 9th
, at her Michigan home. Her work in the 1970s
led to the integrated circuit design and manufacturing methodology known as Very Large Scale Integration
, or VLSI, something which touches almost all face... | 47 | 9 | [
{
"comment_id": "6767669",
"author": "Guilherme Alvarez",
"timestamp": "2024-06-14T17:48:02",
"content": "Great minds shunned like this is so sad. How many years of progress lost? How much earlier could we have reached certain technologies had our societies coped with simple tolerance and empathy? I... | 1,760,371,884.533233 | ||
https://hackaday.com/2024/06/14/hackaday-podcast-episode-275-mud-pulse-telemetry-3d-printed-gears-in-detail-and-display-hacking-in-our-future/ | Hackaday Podcast Episode 275: Mud Pulse Telemetry, 3D Printed Gears In Detail, And Display Hacking In Our Future | Tom Nardi | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Join Hackaday Editors Elliot Williams and Tom Nardi for a review of the best stories to grace the front page of Hackaday this week. Things kick off with the news about Raspberry Pi going public, and what that might mean for everyone’s favorite single-board computer. From there they’ll cover the technology behind commun... | 0 | 0 | [] | 1,760,371,884.578455 | ||
https://hackaday.com/2024/06/14/how-good-or-bad-are-fake-power-semiconductors/ | How Good (Or Bad) Are Fake Power Semiconductors? | Jenny List | [
"Parts"
] | [
"counterfeit parts",
"curve tracer",
"fake parts"
] | We all know that there’s a significant risk of receiving fake hardware when buying parts from less reputable sources. These counterfeit parts are usually a much cheaper component relabeled as a more expensive one, with a consequent reduction in performance. It goes without saying that the fake is lower quality then, bu... | 12 | 7 | [
{
"comment_id": "6767646",
"author": "brian",
"timestamp": "2024-06-14T15:35:08",
"content": "just buy from mouser/digikey unless it’s some kind of unobtainium part",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6767889",
"author": "Jeff",
"t... | 1,760,371,884.629851 | ||
https://hackaday.com/2024/06/14/this-week-in-security-unicode-strikes-again-trust-no-one-redditor-and-more/ | This Week In Security: Unicode Strikes Again, Trust No One (Redditor), And More | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"Smishing",
"This Week in Security",
"unicode"
] | There’s a popular Sysadmin meme that system problems are “always DNS”. In the realm of security, it seems like “
it’s always Unicode
“. And it’s not hard to see why. Unicode is the attempt to represent all of Earth’s languages with a single character set, and that means there’s a lot of very similar characters. The two... | 7 | 6 | [
{
"comment_id": "6767651",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-06-14T16:07:24",
"content": "Well, at least smishing as a portmanteau is somewhat deciperable.I’ve seen others recently that need to web searched to know what they mean.And following the lampshading link…I... | 1,760,371,884.67992 | ||
https://hackaday.com/2024/06/14/a-super-simple-standalone-wspr-beacon/ | A Super-Simple Standalone WSPR Beacon | Dan Maloney | [
"Radio Hacks"
] | [
"amateur radio",
"atmega328",
"beacon",
"digital",
"gps",
"ham",
"SI5351",
"transmitter",
"weak signal",
"wspr"
] | We’ve said it before and we’ll say it again: being able to build your own radios is the best thing about being an amateur radio operator. Especially low-power transmitters; there’s just something about having the know-how to put something on the air that’ll reach across the planet on a power budget measured in milliwat... | 26 | 6 | [
{
"comment_id": "6767607",
"author": "CJay",
"timestamp": "2024-06-14T12:23:25",
"content": "What am I missing, there doesn’t seem to be any filtering on the output to suppress harmonics which is decidedly antisocial, especially as the BS170 PA can make reasonable power into low VHF?",
"parent_i... | 1,760,371,884.740314 | ||
https://hackaday.com/2024/06/14/2024-business-card-challenge-t-800s-555-brain/ | 2024 Business Card Challenge: T-800’s 555 Brain | Tom Nardi | [
"contests",
"PCB Hacks"
] | [
"2024 Business Card Challenge",
"pcb art",
"terminator"
] | In
Terminator 2: Judgment Day
it’s revealed that Skynet becomes self-aware in August of 1997, and promptly launches a nuclear attack against Russia to draw humanity into a war which ultimately leaves the door open for the robots to take over. But as you might have noticed, we’re not currently engaged in a rebellion aga... | 12 | 5 | [
{
"comment_id": "6767594",
"author": "Markus Bindhammer",
"timestamp": "2024-06-14T11:00:41",
"content": "Surprise at the end of the video…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6767600",
"author": "Reluctant Cannibal",
"timestamp": ... | 1,760,371,884.926503 | ||
https://hackaday.com/2024/06/13/this-open-source-active-probe-wont-break-the-bank/ | This Open Source Active Probe Won’t Break The Bank | Dan Maloney | [
"Tool Hacks"
] | [
"active probe",
"BUF802",
"buffer",
"jfet",
"op-amp",
"OPA140",
"probe",
"RF"
] | If you’re like us, the oscilloscope on your bench is nothing special. The lower end of the market is filled with cheap but capable scopes that get the job done, as long as the job doesn’t get too far up the spectrum. That’s where fancier scopes with active probes might be required, and such things are budget-busters fo... | 21 | 10 | [
{
"comment_id": "6767568",
"author": "H Hack",
"timestamp": "2024-06-14T08:50:24",
"content": "Any rough estimates of BOM total cost?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6767571",
"author": "Dan",
"timestamp": "2024-06-14T09:04:56"... | 1,760,371,884.874622 | ||
https://hackaday.com/2024/06/13/forsp-a-forth-lisp-hybrid-lambda-calculus-language/ | Forsp: A Forth & Lisp Hybrid Lambda Calculus Language | Maya Posch | [
"Software Development"
] | [
"Forsp",
"forth",
"lisp"
] | In the world of lambda calculus programming languages there are many ways to express the terms, which is why we ended up with such an amazing range of programming languages, even if most trace their roots back to ALGOL. Of the more unique (and practical) languages, Lisp and Forth probably range near the top, but what i... | 17 | 7 | [
{
"comment_id": "6767521",
"author": "Sinep Gupta",
"timestamp": "2024-06-14T02:14:59",
"content": "While I find it adorable, I don’t consider it a pure implementation of lambda calculus because in the end it must operate on CPU that’s using on integer-based ALU instead of pure lambda expressions.",... | 1,760,371,884.975032 | ||
https://hackaday.com/2024/06/13/shipping-your-illicit-software-on-launch-hardware/ | Shipping Your Illicit Software On Launch Hardware | Navarre Bartz | [
"Retrocomputing"
] | [
"apple",
"graphing calculator",
"powerpc",
"retrocomputing",
"security",
"social engineering",
"software development"
] | In the course of a career, you may run up against projects that get cancelled, especially those that are interesting, but deemed unprofitable in the eyes of the corporate overlords. Most people would move, but [Ron Avitzur] just
couldn’t let it go
.
In 1993, in the midst of the transition to PowerPC, [Avitzur]’s employ... | 17 | 10 | [
{
"comment_id": "6767507",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-06-14T00:17:01",
"content": "Finding an empty office to continue working because they forgot to cancel your door badge: gutsy!",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,371,885.345188 | ||
https://hackaday.com/2024/06/13/marimbatron-a-digital-marimba-prototyping-project/ | Marimbatron: A Digital Marimba Prototyping Project | Dave Rowntree | [
"Musical Hacks"
] | [
"diy",
"flex PCB",
"marimba",
"piezoresistance",
"pressure sensor",
"prototyping"
] | The
Marimbatron
is [Leo Kuipers] ‘s final project as part of the Fab Academy program supervised by [Prof. Neil Gershenfeld] of MIT’s Center for Bits and Atoms. The course aims to teach students how to leverage all the fab lab skills to create unique prototypes using the materials at hand.
The final polyurethane/PET/Fle... | 7 | 5 | [
{
"comment_id": "6767476",
"author": "Nath",
"timestamp": "2024-06-13T20:43:23",
"content": "Impressive! Congratulations",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6767539",
"author": "josemar1992",
"timestamp": "2024-06-14T05:38:05",
"content"... | 1,760,371,885.21817 | ||
https://hackaday.com/2024/06/13/a-1940s-car-radio-receives-some-love/ | A 1940s Car Radio Receives Some Love | Jenny List | [
"Radio Hacks",
"Repair Hacks"
] | [
"car radio",
"Philco",
"tube radio"
] | The entertainment systems in modern vehicles is akin to a small in-dash computer, and handles all manner of digital content. It probably also incorporates a radio, but increasingly that’s treated as something of an afterthought. There was a time though when any radio in a car was a big deal, and if you own a car from t... | 9 | 2 | [
{
"comment_id": "6767471",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-06-13T20:15:00",
"content": "When we commented recently about 8-track players, Bill Lear’s name came up.Lear also built the first commercial car radio, which he dubbed “Motorola”.",
"parent_id": null,
... | 1,760,371,885.137893 | ||
https://hackaday.com/2024/06/13/tds-744a-scope-teardown-fixes-dodgy-channel/ | TDS 744A Scope Teardown Fixes Dodgy Channel | Maya Posch | [
"Repair Hacks"
] | [
"NuColor",
"tektronix",
"test equipment"
] | There are a lot of oscilloscopes from around the 1990s which are still very much desirable today, such as the Tektronix TDS 744A which [DiodesGoneWild]
got his grubby mitts on
. This is a 500 MHz, 4-channel scope, with a capture rate of 500 MS/s (4 channels) to 2 GS/s (1 channel). It also has a color display and
even c... | 1 | 1 | [
{
"comment_id": "6767426",
"author": "RP",
"timestamp": "2024-06-13T16:31:33",
"content": "Hackaday article on the CRT/LCD (LCCS) technologyhttps://hackaday.com/2019/10/01/monochrome-crt-and-liquid-crystal-shutter-team-up-for-color-video/",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,371,885.1738 | ||
https://hackaday.com/2024/06/13/pcb-design-review-a-5v-ups-with-ltc4040/ | PCB Design Review: A 5V UPS With LTC4040 | Arya Voronova | [
"Featured",
"Skills",
"Slider"
] | [
"battery",
"design review",
"Uninterruptible Power Supply",
"ups"
] | Do you have a 5 V device you want to run 24/7, no matter whether you have electricity? Not to worry – Linear Technology has made a perfect IC for you, the LTC4040; with the perfect assortment of features, except perhaps for the hefty price tag.
[Lukilukeskywalker] has shared a PCB for us to review
– a LTC4040-based sta... | 23 | 10 | [
{
"comment_id": "6767419",
"author": "solipso",
"timestamp": "2024-06-13T15:49:45",
"content": "Unfortunately, the price of the LTC4040 is insane. In all my “UPS” needs I went the path of on-line topology with a step-down / charging converter and then a boost converter for the device to be powered. ... | 1,760,371,885.573047 | ||
https://hackaday.com/2024/06/13/long-awaited-sls4all-3d-printer-now-shipping/ | Long-Awaited SLS4All 3D Printer Now Shipping | Dave Rowntree | [
"3d Printer hacks"
] | [
"2020 extrusion",
"diy",
"easyeda",
"galvo scanner",
"laser",
"open source",
"powder",
"SLS printer"
] | We touched on the open source
SLS4All DIY SLS 3D printer
a year or two ago when the project was in the early stages. Finally, version one is complete, with a parts kit ready to ship and all design data ready for download if a DIY build or derivative is your style. As some already mentioned, this is not going to be chea... | 35 | 5 | [
{
"comment_id": "6767277",
"author": "ono",
"timestamp": "2024-06-13T11:38:40",
"content": "“aggresive nesting”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6767280",
"author": "Tim McNerney",
"timestamp": "2024-06-13T12:05:08",
"content": "Thoug... | 1,760,371,885.419474 | ||
https://hackaday.com/2024/06/13/raspberry-pi-saves-printer-from-junk-pile/ | Raspberry Pi Saves Printer From Junk Pile | Al Williams | [
"Network Hacks",
"Raspberry Pi"
] | [
"CUPS",
"linux",
"printer"
] | Around here, printers have a life expectancy of about two years if we are lucky. But [techtipsy] has a family member who has milked a long life from an old Canon PIXMA printer. That is, until Microsoft or Canon decided it was too old to print anymore. With Windows 10, it took some hacking to get it to work, but Windows... | 55 | 28 | [
{
"comment_id": "6767236",
"author": "Szaja",
"timestamp": "2024-06-13T08:05:44",
"content": "I went the same route, but for whatever reason when I print a PDF document using CUPS 1/3 of the page (vertically) is left blank.",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,371,885.503961 | ||
https://hackaday.com/2024/06/12/restoring-a-vintage-cga-card-with-homebrew-hasl/ | Restoring A Vintage CGA Card With Homebrew HASL | Dan Maloney | [
"Retrocomputing"
] | [
"card edge",
"cga",
"desoldering braid",
"enig",
"gold",
"HASL",
"pcb",
"solder"
] | Right off the bat, we’ll stipulate that what [Adrian] is doing in the video below isn’t actual hot air solder leveling. But we thought the results of
his card-edge connector restoration
on a CGA video card from the early 80s was pretty slick, and worth keeping in mind for other applications.
The back story is that [Adr... | 26 | 7 | [
{
"comment_id": "6767214",
"author": "moo",
"timestamp": "2024-06-13T05:50:30",
"content": "look up what phosphoric acid (main ingredient of naval jelly) does to gold.> blasting the excess off with some compressed air would be worth a try.did you seriously just suggest to your readers that they blas... | 1,760,371,885.635551 | ||
https://hackaday.com/2024/06/12/startup-claims-it-can-boost-cpu-performance-by-2-100x/ | Startup Claims It Can Boost CPU Performance By 2-100X | Bryan Cockfield | [
"computer hacks"
] | [
"architecture",
"flow",
"flow computing",
"gpu",
"parallel",
"performance",
"processor",
"startup"
] | Although Moore’s Law has slowed at bit as chip makers reach the physical limits of transistor size, researchers are having to look to other things other than cramming more transistors on a chip to increase CPU performance. ARM is having a bit of a moment by improving the performance-per-watt of many computing platforms... | 47 | 20 | [
{
"comment_id": "6767183",
"author": "shinsukke",
"timestamp": "2024-06-13T02:07:31",
"content": "Not sure if vaporware or we have reached glorious times where small startups are actually working on new silicon",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "67... | 1,760,371,885.717104 | ||
https://hackaday.com/2024/06/12/floss-weekly-episode-787-vdo-ninja-its-a-little-bit-hacky/ | FLOSS Weekly Episode 787: VDO Ninja — It’s A Little Bit Hacky | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"FLOSS Weekly",
"open source",
"WebRTC"
] | This week
Jonathan Bennett
and
Katherine Druckman
chat with Steve Seguin about VDO.Ninja and Social Stream Ninja, tools for doing live WebRTC video calls, recording audio and video, wrangling comments on a bunch of platforms, and more!
–
https://docs.vdo.ninja/
–
https://docs.vdo.ninja/steves-helper-apps
–
https://docs... | 0 | 0 | [] | 1,760,371,885.754236 | ||
https://hackaday.com/2024/06/12/tight-handheld-crt-asteroids-game-curses-in-tuscan/ | Tight Handheld CRT Asteroids Game Curses In Tuscan | Elliot Williams | [
"Arduino Hacks",
"Games"
] | [
"arduino",
"crt",
"lpc10",
"Speak and Spell",
"talkie"
] | How many Arduini does it take to make a tiny CRT Asteroids game? [Marco Vallegi] of MVV Blog’s answer: two. One for the game mechanics and one for the sound effects. And the result is a
sweet little retro arcade machine packed tightly into a very nicely 3D printed case
.
If you want to learn to curse like a Tuscan sail... | 5 | 2 | [
{
"comment_id": "6767137",
"author": "Hirudinea",
"timestamp": "2024-06-12T20:14:54",
"content": "Wouldn’t that voice synthesis be more appropriate for Gorf? Also I couldn’t understand a word he said, it was like he was speaking another language!",
"parent_id": null,
"depth": 1,
"replies... | 1,760,371,885.795992 | ||
https://hackaday.com/2024/06/12/the-worlds-first-diy-minicomputer-was-almost-australian/ | The World’s First DIY Minicomputer Was Almost Australian | Elliot Williams | [
"computer hacks",
"Retrocomputing"
] | [
"computer",
"educ-8",
"homebrew"
] | The EDUC-8, a DIY minicomputer design that came out in “Electronics Australia” magazine, was almost the world’s first in August 1974. And it would have been tied for the world’s first if inventor [Jamieson “Jim” Rowe] hadn’t held back from publishing to rework the design to expand the memory to a full 256 bytes. The pr... | 23 | 10 | [
{
"comment_id": "6767117",
"author": "B Bibby",
"timestamp": "2024-06-12T18:41:06",
"content": "ATOM-8 was a minimal 8 bit CPU, designed by Mr. Tomisaki.Arata(富崎新) and published in a Japanese magazine; “トランジスタ技術”(Transistor Technology) in issue #5 of 1973. Issue #6 was general software and issue #7 ... | 1,760,371,885.861505 | ||
https://hackaday.com/2024/06/12/supercon-2023-reverse-engineering-commercial-coffee-machines/ | Supercon 2023: Reverse Engineering Commercial Coffee Machines | Jenny List | [
"cons",
"Hackaday Columns",
"Reverse Engineering",
"Slider"
] | [
"coffee",
"coffee machine",
"reverse engineering",
"Supercon"
] | There was a time when a coffee vending machine was a relatively straightforward affair, with a basic microcontroller doing not much more than the mechanical sequencer it replaced. A modern machine by contrast has 21st century computing power, with touch screens, a full-fat operating system, and a touch screen interface... | 15 | 9 | [
{
"comment_id": "6767111",
"author": "ono",
"timestamp": "2024-06-12T17:54:39",
"content": "“The coffee machine software was a Java app, which seems to us strangely appropriate” I see what you did here",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6767122",
... | 1,760,371,885.910555 | ||
https://hackaday.com/2024/06/12/studying-the-finer-points-of-3d-printed-gears/ | Studying The Finer Points Of 3D Printed Gears | Dave Rowntree | [
"Parts"
] | [
"3d printing",
"filament",
"gears",
"strength of materials",
"testing"
] | [How to Mechatronics] on YouTube endeavored to create a
comprehensive guide comparing the various factors that affect the performance of 3D printed gears
. Given the numerous variables involved, this is a challenging task, but it aims to shed light on the differences. The guide focuses on three types of gears: the spur... | 34 | 11 | [
{
"comment_id": "6767074",
"author": "Robert",
"timestamp": "2024-06-12T15:56:21",
"content": "The reason his 100% infill ones weren’t stronger was because even at the lower infill percentages the gear teeth tips were solid already, due to perimeter counts. Even at fairly low infill you get solid ti... | 1,760,371,886.068142 | ||
https://hackaday.com/2024/06/12/displays-we-love-hacking-dsi/ | Displays We Love Hacking: DSI | Arya Voronova | [
"Featured",
"Skills",
"Slider"
] | [
"display",
"dsi",
"hardware"
] | We would not be surprised if DSI screens made up the majority of screens on our planet at this moment in time. If you own a smartphone, there’s a 99.9% chance its screen is DSI. Tablets are likely to use DSI too, unless it’s eDP instead, and a smartwatch of yours definitely will. In a way, DSI displays are inescapable.... | 10 | 5 | [
{
"comment_id": "6767081",
"author": "Cheese Whiz",
"timestamp": "2024-06-12T16:08:14",
"content": "Thanks for the excellent overview Arya! Time to go dismantle some of my old tablets…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6767818",
"author... | 1,760,371,886.238931 | ||
https://hackaday.com/2024/06/12/baldurs-gate-iii-comes-to-the-trs-80-model-100/ | Baldur’s Gate IIIComes To The TRS-80 Model 100 | Tom Nardi | [
"Games",
"Retrocomputing"
] | [
"assembly",
"model 100",
"TRS-80 model 100",
"z80"
] | To say that Tandy’s TRS-80 Model 100 was an influential piece of computer hardware would be something of an understatement. While there’s some debate over which computer can historically be called the “first laptop”, the Model 100 was early enough that it helped influence our modern idea of portable computing. It was a... | 8 | 5 | [
{
"comment_id": "6767139",
"author": "recook",
"timestamp": "2024-06-12T20:21:15",
"content": "Respect!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6767170",
"author": "drall",
"timestamp": "2024-06-12T23:36:53",
"content": "I’ll have to dig out... | 1,760,371,886.183629 | ||
https://hackaday.com/2024/06/12/remixed-pi-recovery-kit-v2-offers-another-path/ | Remixed Pi Recovery Kit V2 Offers Another Path | Tom Nardi | [
"Raspberry Pi"
] | [
"pelican case",
"Recovery Kit"
] | Just a few months after releasing the long-awaited second version of his Raspberry Pi Recovery Kit,
[Jay Doscher] is back with an alternate take
on his latest Pi-in-a-Pelican design. This slightly abridged take on the earlier design should prove to be easier and cheaper to assemble for those playing along at home while... | 3 | 2 | [
{
"comment_id": "6767162",
"author": "Michael C Brown",
"timestamp": "2024-06-12T22:32:31",
"content": "Yes… Amazing specs and build.But what is the purpose of the Pi Recovery Kit?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6767178",
"author": "T... | 1,760,371,886.137932 | ||
https://hackaday.com/2024/06/11/from-nissan-ice-pickup-to-bev-with-nissan-leaf-heart/ | From Nissan ICE Pickup To BEV With Nissan Leaf Heart | Maya Posch | [
"car hacks"
] | [
"bev",
"electric car"
] | First run of the motor with battery pack still externally connected.
Last year [Jimmy] got a request from a customer ([Dave]) to help convert a 1998 Nissan Frontier pickup into an electric drive vehicle, with a crashed 2019 Nissan Leaf providing the battery and electric motor for the conversion. He has
documented
the m... | 9 | 5 | [
{
"comment_id": "6767008",
"author": "Fred",
"timestamp": "2024-06-12T08:20:22",
"content": "How does it work with a 5 speed manual without a clutch? Does it have a clutch pedal – to match the motor RPM to whatever the road speed and selected gear calculate at? Or it it a crash box? Or do you just s... | 1,760,371,886.546574 | ||
https://hackaday.com/2024/06/11/maker-skill-trees-help-you-level-up-your-craft/ | Maker Skill Trees Help You Level Up Your Craft | Navarre Bartz | [
"Art",
"Lifehacks"
] | [
"gamification",
"learning",
"skill tree",
"training"
] | Hacking and making are great fun due to their open ended nature, but being able to try anything can make the task of selecting your next project daunting. [Steph Piper] is here with her
Maker Skill Trees
to give you a map to leveling up your skills.
Featuring a grid of 73 hexagonal tiles per discipline, there’s plenty ... | 12 | 6 | [
{
"comment_id": "6766985",
"author": "paul_shallard",
"timestamp": "2024-06-12T06:36:31",
"content": "I like this ideaThe hardest part of learning something new is knowing where to start.Go to a store, and they will tell you to buy the most expensive everything firstA few of the trees could do with ... | 1,760,371,886.593185 | ||
https://hackaday.com/2024/06/11/a-c64-sid-replacement-with-built-in-games/ | A C64 SID Replacement With Built-in Games | Alexander Rowsell | [
"Retrocomputing"
] | [
"commodore 128",
"commodore 64",
"Commodore SID",
"pi pico",
"Raspberry Pi Pico",
"retro computer",
"sid chip"
] | Developer [frntc] has recently come up with a smaller and less expensive way to not only replace the SID chip in your Commodore 64 but to also make it a stereo SID! To top it off, it can also hold up to 16 games and launch them from a custom menu. The
SIDKick Pico
is a simple board with a Raspberry Pi Pico mounted on t... | 9 | 4 | [
{
"comment_id": "6766950",
"author": "Miles",
"timestamp": "2024-06-12T04:22:44",
"content": "It never ceases to amaze me a dual core system on a chip is $5 (or pennies if you use the bare RP2040).I like seeing these kind of hacks that keep the system going transparently. Very nice.",
"parent_i... | 1,760,371,886.502056 |
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