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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2024/03/17/a-fully-automatic-british-breakfast-ready-while-you-sleep/ | A Fully Automatic British Breakfast: Ready While You Sleep | Maya Posch | [
"cooking hacks",
"Lifehacks"
] | [
"breakfast machine"
] | What do you mean, the temporary breadboard setup went into production? (Credit: [Gregulations], YouTube)
Among all the amazing technologies that were promised to us, there is one that is much more egregious than the lack of flying cars and real hovering hoverboards: the lack of fully automated breakfast-maker machines.... | 35 | 12 | [
{
"comment_id": "6742253",
"author": "Namespace collision error 0xdeadbeef",
"timestamp": "2024-03-17T14:13:27",
"content": "Errrr ….. sorry to say this …… but there is no such thing as a ‘British Breakfast’. More likely, this is what non UK habitants probably think exists, not realising that breakf... | 1,760,371,975.94965 | ||
https://hackaday.com/2024/03/17/creating-a-numbers-station-of-your-very-own/ | Creating A Numbers Station Of Your Very Own | Lewin Day | [
"Misc Hacks"
] | [
"arduino",
"audio",
"numbers stations"
] | Numbers stations are a weird phenomenon where odd voices read out long strings of numbers or random codewords to the confusion of the vast majority of the listening audience. If you’ve ever wanted to build one of your own,
you could follow the example of [AudioWanderer].
NumberMumble, as it’s called, is a numbers stati... | 14 | 1 | [
{
"comment_id": "6742237",
"author": "☠",
"timestamp": "2024-03-17T11:54:30",
"content": "Another idea might be to get a python script running with two separate instances of chat GPT or Gemini running on two diff accounts and get them to feed into each other and broadcast that instead with text to a... | 1,760,371,976.275707 | ||
https://hackaday.com/2024/03/17/the-most-famous-room-in-rock-n-roll-youve-never-seen/ | The Most Famous Room In Rock-n-Roll You’ve Never Seen | Jenny List | [
"Musical Hacks"
] | [
"acoustics",
"echo chamber",
"reverb"
] | The study of audio technology has a lot of fascinating branches, and one or two of them even take the curious engineer not into electronics but into architecture. There’s the anechoic chamber with its complete lack of echo, but at the other end of the scale, there’s the echo chamber.
It’s normal in 2024 when searching ... | 6 | 4 | [
{
"comment_id": "6742395",
"author": "swbb reps",
"timestamp": "2024-03-18T02:12:41",
"content": "i got a tour last year by the chief engineer, he told me it was actually, originally, a bathroom meant to be used by the musicians during sessions. before the 50’s, certainly when it first opened in the... | 1,760,371,975.869295 | ||
https://hackaday.com/2024/03/16/arduino-turned-into-something-kinda-like-a-pager/ | Arduino Turned Into Something Kinda Like A Pager | Lewin Day | [
"Arduino Hacks"
] | [
"arduino",
"pager"
] | Video may have killed the radio star, but cell phones and smart phones all but killed the pager. They still exist, of course, but only in very niche applications. [João Santos] wanted a pager-like experience for himself, though,
so he enlisted an Arduino and got to work.
Watch a video of the system working below.
The b... | 13 | 7 | [
{
"comment_id": "6742207",
"author": "Lee",
"timestamp": "2024-03-17T08:22:43",
"content": "The “Beeper” Pagers never left. Its been used in the healthcare sector since the beginning.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6742209",
"author":... | 1,760,371,975.77574 | ||
https://hackaday.com/2024/03/16/radicle-an-open-source-peer-to-peer-github-alternative/ | Radicle: An Open-Source, Peer-to-Peer, GitHub Alternative | Dave Rowntree | [
"Software Development"
] | [
"federated",
"Git",
"gossip",
"public key encryption"
] | The actions of certain large social networks have recently highlighted how a small number of people possess significant power over the masses and how this power is sometimes misused. Consequently, there has been a surge in the development of federated (or decentralized) services, such as Mastodon and Matrix. But what ... | 26 | 8 | [
{
"comment_id": "6742161",
"author": "GameboyRMH",
"timestamp": "2024-03-17T02:41:47",
"content": "This would be great for software projects with a high risk of getting a takedown notice, such as unofficial game ports and emulators.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,976.334606 | ||
https://hackaday.com/2024/03/16/nasa-engineers-poke-voyager-1-and-receive-memory-dump/ | NASA Engineers Poke Voyager 1 And Receive Memory Dump | Maya Posch | [
"News",
"Space"
] | [
"voyager"
] | For months, there has been a rising fear that we may have to say farewell to the Voyager 1 spacecraft after it began to send back garbled data. Now, in a sudden twist, Voyager 1 sent back a read-out of the Flight Data Subsystem (FDS) memory after a “poke” command, which both gives some hope that the spacecraft is in a ... | 59 | 20 | [
{
"comment_id": "6742129",
"author": "Danjovic",
"timestamp": "2024-03-16T23:30:12",
"content": "Voyager didn’t returned garbage, that was just alien encrypted data.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6742134",
"author": "Eric",
"... | 1,760,371,976.168013 | ||
https://hackaday.com/2024/03/14/dev-board-watch-takes-path-of-least-resistance/ | Dev Board Watch Takes Path Of Least Resistance | Lewin Day | [
"clock hacks",
"Wearable Hacks"
] | [
"devboard",
"ESP32",
"watch"
] | Building your own watch or clock is kind of a maker’s rite of passage. Once upon a time, if you went with a wrist watch, you’d typically work on producing your own compact PCB with everything crammed into a typical watch form factor, maybe relying on a simple binary output for compactness and simplicity. Times have cha... | 9 | 3 | [
{
"comment_id": "6741482",
"author": "Edgar Vice",
"timestamp": "2024-03-14T15:39:56",
"content": "I thought Richard Mille watches were ugly, but boy, this thing far surpasses it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6741506",
"author": "St... | 1,760,371,975.997425 | ||
https://hackaday.com/2024/03/14/lithium-ion-batteries-power-your-devboards-easily/ | Lithium-Ion Batteries Power Your Devboards Easily | Arya Voronova | [
"Battery Hacks",
"Featured",
"how-to",
"Slider"
] | [
"18650",
"batteries",
"battery",
"lithium ion",
"TP4056"
] | Last summer, I was hanging out with a friend from Netherlands for a week, and in the middle of that week, we decided to go on a 20 km bike trip to a nearby beach. Problem? We wanted to chat throughout the trip, but the wind noise was loud, and screaming at each other while cycling wouldn’t have been fun. I had some wal... | 25 | 11 | [
{
"comment_id": "6741473",
"author": "A",
"timestamp": "2024-03-14T15:04:50",
"content": "I’d love to know what the walkie talkie software you had in mind is?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6741492",
"author": "spaceminions",
... | 1,760,371,976.068451 | ||
https://hackaday.com/2024/03/14/high-voltage-fun-with-an-inexpensive-power-supply/ | High-Voltage Fun With An Inexpensive Power Supply | Dan Maloney | [
"High Voltage"
] | [
"corona",
"feedthrough",
"gigaohm",
"high voltage",
"hv",
"laser",
"spark gap",
"VEVOR"
] | It used to be that nearly every home had at least one decent high-voltage power supply. Of course, it was dedicated to accelerating electrons and slamming them into phosphors so we could bathe ourselves in X-rays (not really) while watching
Howdy Doody.
These days the trusty tube has been replaced with LEDs and liquid ... | 25 | 11 | [
{
"comment_id": "6741435",
"author": "Miku",
"timestamp": "2024-03-14T11:41:21",
"content": "Anyone know a source for adjustable HV power supplies that go from ideally 0.5kv to 12kv or so?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6741586",
"aut... | 1,760,371,976.231172 | ||
https://hackaday.com/2024/03/14/a-compact-scara-arm-plotter/ | A Compact SCARA Arm Plotter | Lewin Day | [
"Robots Hacks"
] | [
"plotter",
"robot",
"scara",
"SCARA arm"
] | If you’re unfamiliar with SCARA robots, the acronym stands for Selective Compliance Assembly Robot Arm. This refers to the fact that the arms are rigid in the Z axis but somewhat compliant in the X and Y axes, and that they’re often used for assembly tasks. In any case, you can spend a great deal of money equipping you... | 4 | 3 | [
{
"comment_id": "6741437",
"author": "ono",
"timestamp": "2024-03-14T11:50:20",
"content": "I don´t get the point of using PVC tubing if one does not route the wiring inside it …",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6741476",
"author": "Capo",
... | 1,760,371,975.822455 | ||
https://hackaday.com/2024/03/13/the-flex-computer-system-uks-forgotten-capability-computer-architecture/ | The Flex Computer System: UK’s Forgotten Capability Computer Architecture | Maya Posch | [
"Retrocomputing"
] | [
"Flex Computer System",
"Ten15",
"TenDRA"
] | During the 1970s many different computer architectures were being developed, many of them focused on making computer systems easier and more effective to use. The Flex Machine developed at the UK Ministry of Defence’s Royal Signals and Radar Establishment (RSRE) was one of them, falling in the category of Capability Ar... | 20 | 8 | [
{
"comment_id": "6741400",
"author": "Kaylee Kerin",
"timestamp": "2024-03-14T05:32:04",
"content": "At the Large Scale Systems Museum in Pittsburgh, we’ve for a PERQ a few of our volunteers are working on getting running again. It’s definitely a “unique” CPU design, which makes it confusing to d... | 1,760,371,976.42995 | ||
https://hackaday.com/2024/03/13/gentle-introduction-to-white-light-interferometry/ | Gentle Introduction To White Light Interferometry | Maya Posch | [
"Science"
] | [
"Interferometry",
"Michelson interferometer",
"white light interferometry"
] | Screenshot of the Zygo white light interferometry microscope software. (Credit: Huygens Optics)
White light interferometry (WLI) is a contact-free optical method for measuring surface height. It uses the phase difference between the light reflected off a reference mirror and the target sample to calculate the height pr... | 3 | 3 | [
{
"comment_id": "6741533",
"author": "Jii",
"timestamp": "2024-03-14T20:07:41",
"content": "Stay away from the white light!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6741534",
"author": "Fil Fer",
"timestamp": "2024-03-14T20:11:03",
"content":... | 1,760,371,976.377053 | ||
https://hackaday.com/2024/03/13/floss-weekly-episode-774-lets-get-rusty/ | FLOSS Weekly Episode 774: Let’s Get Rusty | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"FLOSS Weekly",
"rust"
] | This week, Jonathan Bennett chats with
Herbert Wolverson
about Rust! Is it really worth the hype? Should you have written that in Rust? What’s up with “if let some” anyways? And what’s the best way to get started with this exciting language? We also cover comparisons with other languages like Ada, what drives us crazy ... | 5 | 2 | [
{
"comment_id": "6741380",
"author": "ian 42",
"timestamp": "2024-03-14T02:59:09",
"content": "I’ve been using C/C++ for many decades, and Rust is the FIRST language that has come along that I think has a chance of replacing them. Yes, I can’t do things in the the C++ way, but that brings many benef... | 1,760,371,976.482733 | ||
https://hackaday.com/2024/03/16/a-nine-year-olds-z80-drawing-program/ | A Nine-Year-Old’s Z80 Drawing Program | Al Williams | [
"Retrocomputing",
"Software Hacks"
] | [
"assembly language",
"logo",
"z80"
] | Full disclosure: [Óscar] isn’t nine now, but he was in 1988 when he wrote
LOCS
, a drawing program in Z80 assembly modeled after Logo. You can see a demo of the system in the video below. You might wonder why you’d want to study a three-decade-old program written for a CPU by a nine-year-old almost five decades ago. We... | 23 | 8 | [
{
"comment_id": "6742100",
"author": "BrightBlueJim",
"timestamp": "2024-03-16T21:02:24",
"content": "Just a nit: what is on that paper is not assembly code. Assembly code is what you pass to an assembler to get machine code. What’s on that paper is machine code – the numbers that get passed acros... | 1,760,371,977.244114 | ||
https://hackaday.com/2024/03/16/a-simple-seismometer-you-can-build-yourself/ | A Simple Seismometer You Can Build Yourself | Lewin Day | [
"Science"
] | [
"earthquake",
"science",
"seismograph",
"seismometer"
] | If you’re a child, there are certain things you’re taught even though they’re probably not directly relevant to your life. We teach young kids all about dinosaurs, and we teach older kids all about how the mitochondria is the powerhouse of the cell. We also teach kids about natural phenomena like earthquakes, and the e... | 9 | 4 | [
{
"comment_id": "6742071",
"author": "Paul",
"timestamp": "2024-03-16T17:35:26",
"content": "I have a strong sense of deja vu.https://hackaday.com/2024/03/02/diy-geophone-build-performs-well/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6742073",
"... | 1,760,371,976.983907 | ||
https://hackaday.com/2024/03/16/a-spif-fy-way-of-forming-metal/ | A SPIF-fy Way Of Forming Metal | Dan Maloney | [
"cnc hacks"
] | [
"cnc",
"forming",
"single point incremental forming",
"SPIF",
"titanium"
] | Thanks to 3D printing, most of us are familiar with the concept of additive manufacturing, and by extension, subtractive manufacturing. But what is it when you’re neither adding material nor taking it away to create something? Generally speaking, that’s called forming, and while there are tons of ways to do it, one you... | 23 | 9 | [
{
"comment_id": "6742037",
"author": "SayWhat?",
"timestamp": "2024-03-16T15:34:56",
"content": "Would it help to make multiple passes to allow the metal to time to move and stretch and distribute the stress and minimize the heat?",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,977.178032 | ||
https://hackaday.com/2024/03/16/cheap-diy-microscope-lamp-makes-tiny-macro-shots-look-great/ | Cheap DIY Microscope Lamp Makes Tiny Macro Shots Look Great | Lewin Day | [
"Misc Hacks"
] | [
"lamp",
"light",
"microscope"
] | For optical microscopes, light is everything. If you don’t have a good amount of light passing through or bouncing off your sample, you’ve got nothing for your eyeballs or a camera to pick up. To aid in this regard, [Halogenek]
whipped up a nifty microscope lamp with some LEDs.
The build uses a neat arch-shaped PCB wit... | 9 | 4 | [
{
"comment_id": "6742135",
"author": "edgee",
"timestamp": "2024-03-17T00:00:19",
"content": "Great on the the project and it solves and issue. there is one thing that bugs me. If you are submitting a project or even using it where other people can see, why settle for low quality, partially failed 3... | 1,760,371,977.294161 | ||
https://hackaday.com/2024/03/16/super-portable-tunable-vhf-antenna/ | Super-Portable, Tunable VHF Antenna | Bryan Cockfield | [
"Radio Hacks"
] | [
"conductive",
"J-pole",
"low cost",
"portable",
"pota",
"radio",
"SOTA",
"tape",
"webbing"
] | Ham radio is having a bit of a resurgence these days, likely due to awards programs like Parks on the Air (POTA) and Summits on the Air (SOTA), which encourage amateur radio operators to head outside and “activate” at various parks and mountaintops. For semi-mobile operations like this, a low-power radio is often used,... | 6 | 4 | [
{
"comment_id": "6741990",
"author": "Winston",
"timestamp": "2024-03-16T11:32:25",
"content": "Does it perform better than this one very easily made from 300 ohm twin lead?https://www.arrl.org/files/file/Public%20Service/TrainingModules/jpole-dual-band.pdf",
"parent_id": null,
"depth": 1,
... | 1,760,371,977.121688 | ||
https://hackaday.com/2024/03/15/retro-unit-converter-is-a-neat-little-gadget/ | Retro Unit Converter Is A Neat Little Gadget | Lewin Day | [
"Microcontrollers",
"Tool Hacks"
] | [
"ESP8266",
"gadget",
"unit conversion",
"wemos d1 mini"
] | These days, unit conversions aren’t something we have to worry about so much. If you’re sitting at a computer, you can usually just tap away in your browser to get a quick conversion done, or you can ask your smartphone for an answer. [HackMakeMod] wanted a bespoke device for this, though,
and built a tiny little retro... | 11 | 8 | [
{
"comment_id": "6741963",
"author": "Make",
"timestamp": "2024-03-16T08:21:44",
"content": "Absolutelly fantastic little device!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6742035",
"author": "Garth",
"timestamp": "2024-03-16T15:27:35",
"conte... | 1,760,371,976.938337 | ||
https://hackaday.com/2024/03/15/do-we-need-a-new-hardware-description-language/ | Do We Need A New Hardware Description Language? | Al Williams | [
"FPGA"
] | [
"hdl",
"SystemVerilog",
"verilog"
] | When you think about hardware description languages, you probably think of Verilog or VHDL. There are others, of course, but those are the two elephants in the room. Do we need another one? [Veryl-lang]
thinks so
. The Veryl language is sort of Verilog meets Rust. What makes Veryl interesting is that it transpiles to n... | 20 | 11 | [
{
"comment_id": "6741949",
"author": "M.Dark",
"timestamp": "2024-03-16T06:54:13",
"content": "Or, you can just use Python:https://github.com/davidel/pyxhdl",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6741956",
"author": "Johan",
"timestamp": "2024-... | 1,760,371,977.391439 | ||
https://hackaday.com/2024/03/15/tops-the-diy-robot-dog-has-great-moves/ | TOPS, The DIY Robot Dog, Has Great Moves | Donald Papp | [
"Robots Hacks"
] | [
"3d printed",
"actuator",
"diy",
"robot",
"robot dog"
] | We love [Aaed Musa]’s
TOPS (Traverser of Planar Surfaces)
which is a robot dog with custom-made actuators. The DIY is very strong with this project, and the 3D-printed parts alone took a whopping three weeks to print!
There’s additional detail on the electronics and design of TOPS in
the build log of the project’s Hack... | 6 | 2 | [
{
"comment_id": "6741904",
"author": "deL",
"timestamp": "2024-03-16T03:40:57",
"content": "Great work, but aren’t we ready to look further than YouTube for content ‘distribution’? Is there no alternative?!?! Gone are the days of ‘make $1000+ a month’ passive income. Now it’s endless ads, premium (3... | 1,760,371,977.334768 | ||
https://hackaday.com/2024/03/15/folding-solar-panel-is-underpowered/ | Folding Solar Panel Is Underpowered | Al Williams | [
"Teardown"
] | [
"solar panel",
"solar power"
] | If you hang out on certain kinds of sites, you can find huge-capacity USB drives and high-power yet tiny solar panels, all at shockingly low prices. Of course, the USB drives just think they are huge, and the solar panels don’t deliver the kind of power they claim. That seems to be the case with [Big Clive’s]
latest fo... | 29 | 10 | [
{
"comment_id": "6741811",
"author": "KJoh",
"timestamp": "2024-03-15T20:15:29",
"content": "I’m always amused by camping equipment that has a camouflage motif. It’s a recipe for it to be lost and have to buy another.",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,371,977.452114 | ||
https://hackaday.com/2024/03/15/glow-plug-turned-metal-capable-3d-printer-hotend/ | Glow Plug Turned Metal-Capable 3D Printer Hotend | Jenny List | [
"3d Printer hacks"
] | [
"EDM",
"glow plug",
"hotend"
] | At this point, most readers will be familiar with fused deposition modeling (FDM) 3D printers, and how a plastic filament is pushed through a heater and deposited as liquid through a nozzle. Most of us also know that there are a huge variety of materials that can be FDM printed, but there’s one which perhaps evades us:... | 37 | 8 | [
{
"comment_id": "6741782",
"author": "TB",
"timestamp": "2024-03-15T19:00:47",
"content": "Why not just use a ceramic nozzle to extrude the material and induction heating to melt it?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6741812",
"author": ... | 1,760,371,977.520913 | ||
https://hackaday.com/2024/03/15/hackaday-podcast-episode-262-wheelchair-hacking-big-little-science-at-home-arya-talks-pcbs/ | Hackaday Podcast Episode 262: Wheelchair Hacking, Big Little Science At Home, Arya Talks PCBs | Tom Nardi | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Join Hackaday Editors Elliot Williams and Tom Nardi as they go over their favorite hacks and stories from the past week. This episode starts off with an update on Hackaday Europe 2024, which is now less than a month away, and from there dives into wheelchairs with subscription plans, using classic woodworking techniqu... | 0 | 0 | [] | 1,760,371,977.555861 | ||
https://hackaday.com/2024/03/15/the-perils-of-return-path-gaps/ | The Perils Of Return Path Gaps | Dan Maloney | [
"Misc Hacks"
] | [
"clock",
"common mode",
"design",
"electromagnetic compatibility",
"emc",
"H-field",
"harmonics",
"return path",
"RF"
] | The radio frequency world is full of mysteries, some of which seem to take a lifetime to master. And even then, it seems like there’s always something more to learn, and some new subtlety that can turn a good design on paper into a nightmare of unwanted interference and unexpected consequences in the real world.
As [Ke... | 9 | 8 | [
{
"comment_id": "6741736",
"author": "ono",
"timestamp": "2024-03-15T15:50:43",
"content": "When your plane is grounded one should mind the gap, not to fall into unwanted interference.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6741738",
"author": "sme... | 1,760,371,977.602195 | ||
https://hackaday.com/2024/03/15/this-week-in-security-apple-backdoors-curl-tors-new-bridge-and-ghostrace/ | This Week In Security: Apple Backdoors Curl, Tor’s New Bridge, And GhostRace | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"Jenkins",
"tesla",
"This Week in Security"
] | OK, that headline is a bit of a cheap shot. But if you run the
curl
binary that Apple ships,
you’re in for a surprise
if you happen to use the
--cacert
flag. That flag specifies that TLS verification is only to be done using the certificate file specified. That’s useful to solve certificate mysteries, or to make absolu... | 8 | 7 | [
{
"comment_id": "6741740",
"author": "Maave",
"timestamp": "2024-03-15T16:02:52",
"content": "I like the takeaway on Stefan’s article: security scanners can’t find design issues",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6741786",
"author": "bemu... | 1,760,371,977.834997 | ||
https://hackaday.com/2024/03/15/cats-a-new-communication-and-telemetry-system/ | CATS: A New Communication And Telemetry System | Dave Rowntree | [
"Radio Hacks"
] | [
"APRS",
"aprs-is",
"cats",
"FELINET",
"fm",
"FSK",
"KiCAD",
"LDPC coding",
"packet radio",
"rf4463",
"rust",
"whitening"
] | CATS is a new communication and telemetry standard
intended to surpass the current Automatic Packet Reporting System (APRS) standard by leveraging modern, super-cheap Frequency Shift Keying (FSK) transceivers rather than standard FM units. The project is in the early stages, but as of this writing, there is a full open... | 29 | 8 | [
{
"comment_id": "6741675",
"author": "Stephen",
"timestamp": "2024-03-15T11:43:59",
"content": "The capitalisation of CATS makes me think that you should transmit this message:How are you gentlemen!All your base are belong to us.(Yes, I know I’m thirty years out of date, but I couldn’t resist it.)ht... | 1,760,371,977.949598 | ||
https://hackaday.com/2024/03/15/a-look-inside-a-70-ghz-electromechanical-attenuator/ | A Look Inside A 70-GHz Electromechanical Attenuator | Dan Maloney | [
"Radio Hacks"
] | [
"attenuator",
"electromechanical",
"microwave",
"Pi-pad",
"RF",
"rohde & schwarz",
"solenoid",
"stripline"
] | It might not count as “DC to daylight,” but an electromechanical attenuator that covers up to 70 GHz is pretty close, and getting
a guided tour of its insides
is quite a treat.
Perhaps unsurprisingly, this one comes to us from [Shahriar] at “The Signal Path,” where high-end gear most of us never get a chance to work wi... | 4 | 3 | [
{
"comment_id": "6741691",
"author": "Willaim",
"timestamp": "2024-03-15T13:40:13",
"content": "Pi pad and no further explanation of what that is..From Wikipedia, the free encyclopediaThe Π pad (pi pad) is a specific type of attenuator circuit in electronics whereby the topology of the circuit is fo... | 1,760,371,977.987928 | ||
https://hackaday.com/2024/03/14/bonkers-nerf-blaster-sprays-balls-everywhere/ | Bonkers Nerf Blaster Sprays Balls Everywhere | Lewin Day | [
"Toy Hacks"
] | [
"blaster",
"darts",
"nerf"
] | Nerf blasters are fun toys, to be sure. However, they’re limited by factors like price and safety and what Hasbro thinks parents will put up with. Few caregivers would ever countenance a build like this one
from [ItllProbablyWork].
It’s a blaster designed to fire 48 darts in a second or so, or a truly ludicrous 288 Ner... | 3 | 3 | [
{
"comment_id": "6741617",
"author": "make piece not war",
"timestamp": "2024-03-15T05:23:04",
"content": "This remembers me about the gatling gun elastic shooter and the tedious job of loading ammo for hours in order to dump it in 30 seconds.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,371,977.874061 | ||
https://hackaday.com/2024/03/14/making-floating-point-calculations-less-cursed-when-accuracy-matters/ | Making Floating Point Calculations Less Cursed When Accuracy Matters | Maya Posch | [
"Software Development",
"Software Hacks"
] | [
"calculus",
"floating point"
] | Inverting the earlier exponentiation to reduce floating point arithmetic error. (Credit: exozy)
An unfortunate reality of trying to represent continuous real numbers in a fixed space (e.g. with a limited number of bits) is that this comes with an inevitable loss of both precision and accuracy. Although floating point a... | 27 | 10 | [
{
"comment_id": "6741593",
"author": "ziggurat29",
"timestamp": "2024-03-15T02:28:18",
"content": "shattered dreams are also in representing fixed precision decimal in binary. at least in finance.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6741665",
... | 1,760,371,978.053973 | ||
https://hackaday.com/2024/03/14/celebrating-pi-day-with-a-ghostly-calculator/ | Celebrating Pi Day With A Ghostly Calculator | Tom Nardi | [
"LED Hacks",
"Microcontrollers"
] | [
"heads up display",
"LED array",
"pepper's ghost",
"Pi day"
] | For the last few years, [Cristiano Monteiro] has marked March 14th by building a device to calculate Pi. This year, he’s combined an RP2040 development board and a beam-splitting prism to create an
otherworldly numerical display inspired by the classic Pepper’s Ghost illusion
.
The build is straightforward thanks to th... | 0 | 0 | [] | 1,760,371,978.094779 | ||
https://hackaday.com/2024/03/14/building-a-hydraulic-loader-for-a-lawn-tractor/ | Building A Hydraulic Loader For A Lawn Tractor | Lewin Day | [
"Engine Hacks",
"Misc Hacks"
] | [
"hydraulics",
"lawn mower",
"loader",
"mower"
] | Lawn tractors are a great way to mow a large yard or small paddock. They save you the effort of pushing a mower around and they’re fun to drive, to boot. However, they can be
even more fun
with the addition of some extra hardware.
The hydraulic loader build from [Workshop from Scratch] demonstrates exactly how.
The bui... | 10 | 6 | [
{
"comment_id": "6741562",
"author": "Jonathan Bennett",
"timestamp": "2024-03-14T22:23:03",
"content": "This is really cool, and something I’ve considered trying to tackle. Having a front-end loader is insanely useful for getting stuff done on a property.",
"parent_id": null,
"depth": 1,
... | 1,760,371,978.135284 | ||
https://hackaday.com/2024/03/14/new-brains-save-12-v-fridge-from-the-scrap-heap/ | New Brains Save 12 V Fridge From The Scrap Heap | Dave Rowntree | [
"Repair Hacks"
] | [
"arduino",
"car",
"IoT",
"ntc",
"Raspberry Pi Pico W",
"refridgerator",
"thermistor"
] | Recently [nibbler]’s Evakool 55L vehicle fridge started to act strangely, reporting crazy temperature errors and had no chance of regulating. The determination was that the NTC thermistor was toast, and rather than trying to extricate and replace this part, it was a lot easier to
add a new one at a suitable location
Bo... | 17 | 6 | [
{
"comment_id": "6741545",
"author": "Mike",
"timestamp": "2024-03-14T20:54:31",
"content": "Another advantage of this is you can adjust the temperature to fit the kinds of drinks you like. Standard refrigerator temperatures are just way too cold for most beer.I’ve seen them used on deep-freeer to ... | 1,760,371,978.265827 | ||
https://hackaday.com/2024/03/14/retrotechtacular-air-mail-for-the-birds/ | Retrotechtacular: Air Mail For The Birds | Al Williams | [
"Hackaday Columns",
"History",
"Retrotechtacular",
"Slider"
] | [
"carrier pigeons",
"homing pigeons",
"pigeon",
"signal corps"
] | Today, if you want to send a message to a distant location, you’ll probably send an e-mail or a text message. But it hasn’t always been that easy. Military commanders, in particular, have always needed ways to send messages and were early adopters of radio and, prior to that, schemes like semaphores, drums, horns, Aldi... | 9 | 7 | [
{
"comment_id": "6741505",
"author": "abjq",
"timestamp": "2024-03-14T17:35:31",
"content": "Cooo…l",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6741513",
"author": "echodelta",
"timestamp": "2024-03-14T18:27:59",
"content": "There is a problem a... | 1,760,371,978.319024 | ||
https://hackaday.com/2024/03/13/goldilocks-beverage-coaster-tells-you-when-its-just-right/ | Goldilocks Beverage Coaster Tells You When It’s Just Right | Kristina Panos | [
"Lifehacks",
"Microcontrollers"
] | [
"coaster",
"infrared temperature sensor",
"Seeed Xiao SAMD21"
] | If you ask us, morning is the only excuse we need for a hot caffeinated beverage — weather be damned. Wherever [gokux] is, they may be experiencing actual winter this year, given that they are out there getting cozy with a hot cup of what-have-you. But how do they know it’s at the right temperature for drinking?
Enter ... | 17 | 3 | [
{
"comment_id": "6741321",
"author": "Christoph",
"timestamp": "2024-03-13T20:34:12",
"content": "This is nicely made, but I wonder if it’s the right solution to the problem. You’ll also want to keep your drink as long as possible at that “ideal” temperature. This coaster won’t help you with that... | 1,760,371,978.367497 | ||
https://hackaday.com/2024/03/13/pdp-10-fits-in-your-living-room/ | PDP-10 Fits In Your Living Room | Al Williams | [
"Raspberry Pi",
"Retrocomputing"
] | [
"DEC",
"PDP-10"
] | [Oscar] at
Obsolescence Guaranteed
is well-known for fun replicas of the PDP-8 and PDP-11 using the Raspberry Pi (along with some other simulated vintage computers). His latest attempt is the PDP-10, and you can see how it looks in the
demo video below
.
Watching the video will remind you of every old movie or TV show ... | 8 | 7 | [
{
"comment_id": "6741347",
"author": "Lord Kimbote",
"timestamp": "2024-03-13T23:17:43",
"content": "My first computing classes and practice were done coding FORTRAN in a PDP 11/23. I barely missed writing my code in 80-column cards just because the card reader (an IBM machine) was out of order at t... | 1,760,371,978.413525 | ||
https://hackaday.com/2024/03/13/2024-home-sweet-home-automation-simple-window-closer-relies-on-gravity/ | 2024 Home Sweet Home Automation: Simple Window Closer Relies On Gravity | Kristina Panos | [
"contests",
"home hacks"
] | [
"2024 Home Sweet Home Automation",
"because cats",
"counterweight",
"gravity",
"pulley"
] | While most pet owners are happy to help out their furry friends, everyone has a limit. For [Gauthier], getting up to open or close the window every three minutes so their cat can go out on the balcony was a bridge too far, so they decided to take a crack at automating the window.
The end result not only does the job, i... | 8 | 5 | [
{
"comment_id": "6741286",
"author": "Misterlaneous",
"timestamp": "2024-03-13T18:39:42",
"content": "I have something like this setup for my patio screen door so the pets can’t get out. The main side effect is that since I’m used to pulling a little harder to open the screen, I tend to slam my frie... | 1,760,371,978.461556 | ||
https://hackaday.com/2024/03/13/review-the-new-essential-guide-to-electronics-in-shenzhen/ | Review: The New Essential Guide To Electronics In Shenzhen | Jenny List | [
"Hackaday Columns",
"Reviews",
"Slider"
] | [
"Bunnie Huang",
"Essential Guide to Electronics in Shenzhen",
"Naomi Wu",
"shenzhen"
] | The city of Shenzhen in China holds a special fascination for the electronic hardware community, as the city and special economic zone established by the Chinese government at the start of the 1980s it has become probably one of the most important in the world for electronic manufacturing. If you’re in the business of ... | 15 | 8 | [
{
"comment_id": "6741388",
"author": "Javi",
"timestamp": "2024-03-14T03:55:07",
"content": "What’s the biggest difference with the previous book?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6741440",
"author": "C. Scott Ananian",
"timesta... | 1,760,371,978.544974 | ||
https://hackaday.com/2024/03/13/a-solar-powered-wristwatch-with-an-attiny13/ | A Solar-Powered Wristwatch With An ATtiny13 | Maya Posch | [
"ATtiny Hacks",
"Wearable Hacks"
] | [
"attiny13",
"LED watch",
"wristwatch"
] | Wristwatches come in many shapes, sizes, and types, but most still have at least one thing in common: they feature a battery that needs to be swapped or recharged somewhere been every other day and every few years. A rare few integrate a solar panel that keeps the internal battery at least somewhat topped up, as enviro... | 23 | 6 | [
{
"comment_id": "6741252",
"author": "spaceminions",
"timestamp": "2024-03-13T16:03:11",
"content": "So if a LIR2430 has 95mAh, and it charges at 2mA, that’s about 48 hours worth of direct sun that it stores. If it doesn’t run years on that, it’s understandable given it’s a minimalist DIY and a neat... | 1,760,371,978.718793 | ||
https://hackaday.com/2024/03/13/the-short-workbench/ | The Short Workbench | Al Williams | [
"Featured",
"Interest",
"Slider",
"Tool Hacks"
] | [
"bench multimeter",
"oscilloscope",
"owon",
"power supply",
"rigol"
] | Imagine an electronics lab. If you grew up in the age of tubes, you might envision a room full of heavy large equipment. Even if you grew up in the latter part of the last century, your idea might be a fairly large workbench with giant boxes full of blinking lights. These days, you can do everything in one little box c... | 36 | 14 | [
{
"comment_id": "6741246",
"author": "Bob",
"timestamp": "2024-03-13T15:37:17",
"content": "Putting a banana in the picture is a good idea. Why didn’t you?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6741386",
"author": "MonkeyBusiness",
"... | 1,760,371,978.654978 | ||
https://hackaday.com/2024/03/13/custom-library-rescues-good-lora-hardware-from-bad-firmware/ | Custom Library Rescues Good LoRa Hardware From Bad Firmware | Dan Maloney | [
"Radio Hacks"
] | [
"dev board",
"ESP32",
"firmware",
"LoRa",
"Meshtastic",
"SX1262"
] | The range of hardware that comes on some dev boards these days is truly staggering. Those little LoRa boards are a prime example — ESP32 with WiFi and Bluetooth, a transceiver that covers a big chunk of the UHF band, and niceties like OLED displays and plenty of GPIO. But the firmware and docs? Well, if you can’t say s... | 17 | 6 | [
{
"comment_id": "6741192",
"author": "Reluctant Cannibal",
"timestamp": "2024-03-13T11:31:27",
"content": "Is that the Heltech V3?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6741194",
"author": "Dennis",
"timestamp": "2024-03-13T11:36:55"... | 1,760,371,978.800403 | ||
https://hackaday.com/2024/03/12/this-piano-does-not-exist/ | This Piano Does Not Exist | Jenny List | [
"Musical Hacks",
"Software Hacks"
] | [
"opencv",
"piano",
"tensorflow"
] | A couple of decades ago one of *the* smartphone accessories to have was a Bluetooth keyboard which projected the keymap onto a table surface where letters could be typed in a virtual space. If we’re honest, we remember them as not being very good. But that hasn’t stopped the idea from resurfacing from time to time.
We’... | 9 | 5 | [
{
"comment_id": "6740976",
"author": "SW",
"timestamp": "2024-03-12T16:01:48",
"content": "Is there a link to this? I only see links to the paper piano and the capacitive piano.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6741105",
"author": "Piec... | 1,760,371,978.841248 | ||
https://hackaday.com/2024/03/12/keebin-with-kristina-the-one-with-the-pocket-cyberdeck/ | Keebin’ With Kristina: The One With The Pocket Cyberdeck | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks"
] | [
"d-pad",
"Espruino",
"nice nano",
"Svalboard"
] | When you find something you love doing, you want to do it everywhere, all the time. Such is the case with [jefmer] and programming. The trouble is, there is not a single laptop or tablet out there that really deals well with direct sunlight. So, what’s a hacker to do during the day? Stay indoors and suffer?
Image by [j... | 10 | 5 | [
{
"comment_id": "6740973",
"author": "Greg A",
"timestamp": "2024-03-12T15:48:06",
"content": "man this headline “pocket cyberdeck” really pushes my nostalgia buttons, and makes me recognize how much has changed.i was really into portable computing when i was younger. back when the parts were more ... | 1,760,371,978.903521 | ||
https://hackaday.com/2024/03/12/unusual-port-combines-displayport-and-hdmi/ | Unusual Port Combines DisplayPort And HDMI | Maya Posch | [
"Parts",
"Peripherals Hacks"
] | [
"displayport",
"hdmi"
] | Everyone knows you can’t plug an HDMI cable into a DisplayPort… port, and yet a
recent video from [Jon Bringus] challenges that seemingly obvious assumption
. The hardware in question is a variant of the 2013-era Xi3 X7A mini PC, code-named ‘Piston’ and also known as a
‘Steambox’
, from back when that was still somethi... | 22 | 10 | [
{
"comment_id": "6740913",
"author": "pcbwizard",
"timestamp": "2024-03-12T11:28:39",
"content": "“Everyone knows you can’t plug an HDMI cable into a DisplayPort… port” … Yet.. My DP to HDMI connectors work fine. They’re cheap and easy to purchase. I know the protocol has been updated. This is by fa... | 1,760,371,978.96305 | ||
https://hackaday.com/2024/03/12/stressless-shortwave-reviewed/ | Stressless Shortwave Reviewed | Al Williams | [
"Radio Hacks"
] | [
"radio",
"receiver",
"shortwave",
"shortwave radio"
] | [Dan Robinson] picked up a shortwave receiver known as the
“stressless” receiver kit
. We aren’t sure if the stress is from building a more complicated kit or operating a more complicated receiver. Either way, it is an attractive kit that looks easy to build.
Presumably to reduce stress, the VFO and receiver boards are... | 17 | 9 | [
{
"comment_id": "6740872",
"author": "BT",
"timestamp": "2024-03-12T08:31:55",
"content": "Wow $633 US, £495. Nice box tho.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6741020",
"author": "Antron Argaiv",
"timestamp": "2024-03-12T19:45:46"... | 1,760,371,979.10513 | ||
https://hackaday.com/2024/03/11/a-555-shaped-discrete-component-555/ | A 555-Shaped Discrete Component 555 | Dan Maloney | [
"Misc Hacks"
] | [
"555",
"discrete",
"eda",
"proteus",
"should have used a 555",
"smd"
] | While the “should have used a 555” meme is strong around these parts, we absolutely agree with [Kelvin Brammer]’s decision to make
this 555-shaped plug-in replacement for the 555 timer chip
using discrete parts, rather than just a boring old chip.
As [Kelvin] relates, this project started a while back as an attempt to ... | 2 | 2 | [
{
"comment_id": "6740888",
"author": "mj",
"timestamp": "2024-03-12T09:29:27",
"content": "Neat! Very cool, well done",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6740891",
"author": "Francis Stokes",
"timestamp": "2024-03-12T09:44:26",
"content"... | 1,760,371,979.004768 | ||
https://hackaday.com/2024/03/11/3d-imaging-for-natural-science-for-free/ | 3D Imaging For Natural Science — For Free | Al Williams | [
"Science"
] | [
"3d scan",
"CT Scan"
] | It isn’t that unusual for a home lab to have a microscope, but wouldn’t it be cool to have a CT scanner? Well, you probably won’t anytime soon, but if you are interested in scans of vertebrates — you know, animals with backbones — a
group of museums have you covered
.
The oVert project is scanning 20,000 specimens and ... | 4 | 3 | [
{
"comment_id": "6740807",
"author": "Ostracus",
"timestamp": "2024-03-12T02:21:44",
"content": "Scans help with paleontology.https://youtu.be/-NYsz82eTEE",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6740869",
"author": "IanS",
"timestamp": "2024-03-... | 1,760,371,979.046037 | ||
https://hackaday.com/2024/03/11/playing-zx-spectrums-manic-miner-on-the-arduino-uno/ | Playing ZX Spectrum’s Manic Miner On The Arduino Uno | Maya Posch | [
"Games",
"Retrocomputing"
] | [
"Arduino Uno",
"manic miner",
"ZX Spectrum"
] | Composite output shield with audio driver and controller inputs for Arduino Uno (Credit: Scott Porter)
Although it seems many have moved on to 32-bit MCUs these days for projects, there is still a lot of fun to be had in the 8-bit AVR world, as [Scott Porter] demonstrates with a recent Arduino Uno project
featuring his... | 15 | 7 | [
{
"comment_id": "6740721",
"author": "Dagobert",
"timestamp": "2024-03-11T20:59:34",
"content": "I only got as far as the penguins…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6740813",
"author": "Scott Porter",
"timestamp": "2024-03-12T02... | 1,760,371,979.396061 | ||
https://hackaday.com/2024/03/13/4d-knit-dress-skirts-waste/ | 4D Knit Dress Skirts Waste | Kristina Panos | [
"Wearable Hacks"
] | [
"4d",
"4D knitting",
"apparel",
"dress",
"wearable"
] | Regular 2D sewing of anything is inherently wasteful. You can align the pattern pieces however you want, but there’s going to be wasted everything — thread, fabric, and interfacing — whether you get it right the first time or not. Never mind the fact that people tend to create a muslin (prototype) first using inexpensi... | 21 | 9 | [
{
"comment_id": "6741178",
"author": "helge",
"timestamp": "2024-03-13T09:19:03",
"content": "Now we just need that shape-shifting humanoid robot mandrel that reenacts our whole body 3D scan during the procedure, and only after sharing it with 372 partner companies.",
"parent_id": null,
"dep... | 1,760,371,979.235065 | ||
https://hackaday.com/2024/03/12/randomly-move-marionette-with-steel-balls-and-geneva-drives/ | Randomly Move Marionette With Steel Balls And Geneva Drives | Maya Posch | [
"Art"
] | [
"Geneva Drive",
"marble machine"
] | The ball driven Geneva drives that move the marrionette. (Credit: Karakuri channel, YouTube)
Over the years we have seen many marble machines, but
this one on the [Karakuri channel]
(hit CC for subtitles) on YouTube is somewhat special, as it uses Geneva drives to turn the motion of the steel balls going around the cir... | 17 | 6 | [
{
"comment_id": "6741142",
"author": "Observer",
"timestamp": "2024-03-13T06:03:01",
"content": "This is delightful.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6741149",
"author": "bob",
"timestamp": "2024-03-13T06:58:05",
"content": "how does ... | 1,760,371,979.453276 | ||
https://hackaday.com/2024/03/12/an-optical-computer-architecture/ | An Optical Computer Architecture | Al Williams | [
"News",
"Science"
] | [
"optical computing",
"optics"
] | We always hear that future computers will use optical technology. But what will that look like for a general-purpose computer? German researchers
explain it
in a recent scientific paper. Although the DOC-II used optical processing, it did use some conventional electronics. The question is, how can you construct a gener... | 14 | 5 | [
{
"comment_id": "6741124",
"author": "Jarad O",
"timestamp": "2024-03-13T02:52:20",
"content": "I think, for the time being, what we’ll see is optical accelerators. Devices that use an analog optical process for a single function. For instance, it is possible to do a purely optical FFT.There are man... | 1,760,371,981.377733 | ||
https://hackaday.com/2024/03/12/lego-keyboard-stand-fits-just-right/ | LEGO Keyboard Stand Fits Just Right | Kristina Panos | [
"Toy Hacks"
] | [
"kyria",
"lego",
"tenting"
] | Split keyboards are great for many reasons, but mostly because you can place the halves as far apart as you want and really give your arms and shoulders the room they need. [Jason Cox] hit the nail on the head, though: add in a couple of palm rests, and you now have four things that will potentially shift and drift out... | 3 | 3 | [
{
"comment_id": "6741137",
"author": "echodelta",
"timestamp": "2024-03-13T04:48:12",
"content": "I am not familiar with this layout but just 6 keys ergonomically for the left hand with twice as many keys in a left out of this scheme and a couple more behind the knob that are out of reach never mind... | 1,760,371,980.975373 | ||
https://hackaday.com/2024/03/12/playing-audio-on-the-pi-pico-with-no-dac-to-speak-of/ | Playing Audio On The Pi Pico With No DAC To Speak Of | Lewin Day | [
"Musical Hacks"
] | [
"audio",
"pi pico",
"pwm",
"raspberry pi"
] | Normally, if you want to play music or other audio on a microcontroller, you need to get yourself a DAC. Or at least, that’s the easiest way to go about it and the one most likely to get you good, intelligible audio. You don’t have to go that way, though,
as [antirez] demonstrates.
[antirez] decided to do this with a P... | 24 | 10 | [
{
"comment_id": "6741041",
"author": "Konkers",
"timestamp": "2024-03-12T20:37:38",
"content": "For those interested in doing this on the rp2040 in C++, the pico-extras repo has library support for pwm audio (along with spdif and i2s):https://github.com/raspberrypi/pico-extras/tree/master/src/rp2_co... | 1,760,371,981.323754 | ||
https://hackaday.com/2024/03/12/led-choker-is-a-diamond-in-the-junk-pile/ | LED Choker Is A Diamond In The Junk Pile | Kristina Panos | [
"LED Hacks",
"Wearable Hacks"
] | [
"blinkenlights",
"choker",
"leds",
"necklace",
"Seeed Xiao S3"
] | Isn’t it great when you find a use for something that didn’t work out for the project it was supposed to? That’s the story behind the LED strips in
this lovely blinkenlights choker
by [Ted].
The choker itself is a 15 mm wide leather strap with holes punched in it. According to [Ted], the hole punching sounds like the a... | 9 | 7 | [
{
"comment_id": "6741006",
"author": "Per Jensen",
"timestamp": "2024-03-12T18:45:20",
"content": "Four cells? Why?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6741013",
"author": "Misterlaneous",
"timestamp": "2024-03-12T19:05:23",
... | 1,760,371,981.137022 | ||
https://hackaday.com/2024/03/12/design-review-dpi-lvds-sony-vaio-lcd-devboard/ | PCB Design Review: DPI-LVDS Sony Vaio LCD Devboard | Arya Voronova | [
"Hackaday Columns",
"PCB Hacks",
"Skills"
] | [
"design review",
"DPI",
"lvds"
] | Ordering a PCB with mistakes sucks. We should help each other avoid such mistakes – especially newcomers. One of the best ways to avoid these mistakes, especially if it’s your first one, is to get a few other people to look at it. You deserve to get a PCB that is as functional and as helpful as humanly possible, so tha... | 12 | 4 | [
{
"comment_id": "6741000",
"author": "Reluctant Cannibal",
"timestamp": "2024-03-12T18:03:42",
"content": "“one of our chosen ICs has recently acquired Not Recommended For New Designs status, which means we must immediately use it to design a board!” ….. nice article, but not sure if this line w... | 1,760,371,981.081259 | ||
https://hackaday.com/2024/03/11/hack-makes-microwave-cookies-fast-and-not-terrible/ | Hack Makes Microwave Cookies Fast And Not Terrible | Dan Maloney | [
"cooking hacks"
] | [
"baking",
"convection",
"cookie",
"magnetron",
"microwave",
"vending"
] | Making a chocolate chip cookie is easy. Making a good chocolate chip cookie is a little harder. Making a good chocolate chip cookie quickly is a pretty tall order, but if you
cobble together a microwave and a conventional oven
, you just might get delicious and fast to get together.
The goal of this Frankenstein-esque ... | 36 | 10 | [
{
"comment_id": "6740688",
"author": "Lucas",
"timestamp": "2024-03-11T19:08:06",
"content": "Cool project! Just a very cool thingamajig",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6740698",
"author": "notmyfault2000",
"timestamp": "2024-03-11T19:44... | 1,760,371,981.451577 | ||
https://hackaday.com/2024/03/11/share-your-projects-kicad-automations-and-pretty-renders/ | Share Your Projects: KiCad Automations And Pretty Renders | Arya Voronova | [
"Hackaday Columns",
"PCB Hacks"
] | [
"KiCAD",
"kicad integration"
] | I have a
pretty large GitHub repository,
with all of my boards open-sourced there. Now, I’m finally facing the major problem it has – it can be uncomfortable for others to work with. I don’t store Gerber files in the repository because that will interfere with how Git functions – you’re supposed to only have source fil... | 23 | 9 | [
{
"comment_id": "6740648",
"author": "Stappers",
"timestamp": "2024-03-11T17:42:07",
"content": "Nice. Arya: Thank you for bringing CI/CD to electronic enginering.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6740654",
"author": "Konkers",
"times... | 1,760,371,981.519323 | ||
https://hackaday.com/2024/03/11/generator-control-panel-unlocked-with-reverse-engineering-heroics/ | Generator Control Panel Unlocked With Reverse Engineering Heroics | Dan Maloney | [
"Reverse Engineering"
] | [
"24LC08B",
"control panel",
"eeprom",
"generator",
"pin",
"reverse engineering",
"rework"
] | Scoring an interesting bit of old gear on the second-hand market is always a bit of a thrill — right up to the point where you realize the previous owner set some kind of security code on it. Then it becomes a whole big thing to figure out, to the point of blunting the dopamine hit you got from the original purchase.
F... | 11 | 3 | [
{
"comment_id": "6740612",
"author": "STR-Alorman",
"timestamp": "2024-03-11T16:10:45",
"content": "This is a neat write up.The panel is an older unit made by Deep Sea Electronics in the UK (pre-2012, by the looks of it). They’re incredibly helpful when I’ve had tech support questions on some units ... | 1,760,371,981.26527 | ||
https://hackaday.com/2024/03/11/on-an-aging-space-station-air-leaks-become-routine/ | On An Aging Space Station, Air Leaks Become Routine | Tom Nardi | [
"Current Events",
"Featured",
"Slider",
"Space"
] | [
"international space station",
"iss",
"leak"
] | Anyone who’s ever owned an older car will know the feeling: the nagging worry at the back of your mind that today might be the day that something
important
actually stops working. Oh, it’s not the little problems that bother you: the rips in the seats, the buzz out of the rear speakers, and that slow oil leak that migh... | 41 | 9 | [
{
"comment_id": "6740569",
"author": "Joseph Eoff",
"timestamp": "2024-03-11T14:20:27",
"content": "At 80000 US dollars per kilogram, I’d hope they’d be a little more concerned about air loss:https://space.stackexchange.com/questions/65534/how-much-does-air-on-the-iss-costIf nothing else, every kilo... | 1,760,371,981.220475 | ||
https://hackaday.com/2024/03/11/reducing-seams-in-fdm-prints-with-scarf-joint-seams/ | Reducing Seams In FDM Prints With Scarf Joint Seams | Maya Posch | [
"3d Printer hacks"
] | [
"FDM",
"scarf joint"
] | One unavoidable aspect of FDM 3D printing is that each layer consists out of one or more lines that have a beginning and an end. Where these join up, a seam is formed, which can be very noticeable if the same joint exists on successive layers. Taking a hint from woodworking, a possible solution is now being worked on t... | 12 | 4 | [
{
"comment_id": "6740512",
"author": "Foldi-One",
"timestamp": "2024-03-11T11:26:56",
"content": "I wonder how well bonded the scarfs end up, depending on the method used to adjust plastic extrusion vs head motion to create them it might end up having a structural benefit as well – that slightly lon... | 1,760,371,981.023906 | ||
https://hackaday.com/2024/03/11/measuring-nanometers-at-home/ | Measuring Nanometers At Home | Al Williams | [
"Science"
] | [
"optical cavity",
"spectrometer"
] | If someone asked you to measure a change in distance at about one ten thousandths of the diameter of a proton, you’d probably assume you would need access a high-tech lab. The job is certainly too tight for your cheap Harbor Freight calipers. [Opticsfan], though,
has a way to help
. You might not be able to get quite t... | 10 | 4 | [
{
"comment_id": "6740485",
"author": "Chris",
"timestamp": "2024-03-11T09:22:11",
"content": "I reads as if you are equating nanometer scales with “one ten thousandths of the diameter of a proton”. It should be said that atom-scales are a tenth of a nanometer and with protons at femtometers we are t... | 1,760,371,981.71113 | ||
https://hackaday.com/2024/03/10/%ce%bcreprap-taking-reprap-down-to-micrometer-level-manufacturing/ | μRepRap: Taking RepRap Down To Micrometer-Level Manufacturing | Maya Posch | [
"3d Printer hacks",
"News"
] | [
"3d printer",
"microreprap",
"openflexure",
"reprap"
] | When the RepRap project was started in 2005 by [Dr Adrian Bowyer], the goal was to develop low-cost 3D printers, capable of printing most of their own components. The project slipped into a bit of a lull by 2016 due to the market being increasingly flooded with affordable FDM printers from a growing assortment of manuf... | 30 | 8 | [
{
"comment_id": "6740451",
"author": "M_B",
"timestamp": "2024-03-11T06:53:47",
"content": "For those with no concept of how small 3 micrometers is. Hair is about 80 to 120 micrometers thick on average. So 3 µm stepping distance is just a tiny bit small.",
"parent_id": null,
"depth": 1,
... | 1,760,371,981.658765 | ||
https://hackaday.com/2024/03/10/got-to-go-fast-the-rise-of-super-fast-fpv-drones/ | Got To Go Fast: The Rise Of Super-Fast FPV Drones | Maya Posch | [
"drone hacks"
] | [
"drone fpv",
"world record"
] | Generally when one considers quadcopter drones, the term ‘fast’ doesn’t come to mind, but with the rise of FPV (First Person View) drones, they have increasingly been designed to go as fast as possible. This can be for competitive reasons, to dodge enemy fire on a battlefield, or in the case of [Luke Maximo Bell] to b... | 28 | 9 | [
{
"comment_id": "6740414",
"author": "RobHeffo",
"timestamp": "2024-03-11T02:55:17",
"content": "That thing is absolutely mental. A drone that small, agile, and fast in the wrong hands could do a LOT of damage.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,371,981.982984 | ||
https://hackaday.com/2024/03/10/hackaday-links-march-10-2024/ | Hackaday Links: March 10, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"ai",
"content creation",
"Flock",
"Go",
"hackaday links",
"Ingenuity",
"java",
"license plate",
"linux",
"memory-safe",
"National Security Agency",
"nsa",
"Orwell",
"regolith",
"rust",
"surveillance",
"voyager"
] | We all know that we’re living in a surveillance state that would make Orwell himself shake his head, but it looks like at least one company in this space has gone a little rogue.
According to reports
, AI surveillance start-up Flock <<insert gratuitous “What the Flock?” joke here>> has installed at least 200 of its car... | 17 | 6 | [
{
"comment_id": "6740377",
"author": "cmholm",
"timestamp": "2024-03-11T00:22:59",
"content": "A cursory web and dictionary search leaves me bereft of guidance, so I’ll fall back on Aussie lingo to assume “depomify” is “to reduce British influence on one’s computer, mate”?",
"parent_id": null,
... | 1,760,371,981.814697 | ||
https://hackaday.com/2024/03/10/how-thermal-post-curing-resin-prints-affects-their-strength/ | How Thermal Post-Curing Resin Prints Affects Their Strength | Maya Posch | [
"3d Printer hacks"
] | [
"resin printing",
"UV curing resin"
] | Credit: CNC Kitchen
Resin 3D prints have a reputation for being brittle, but [Stefan] over at [CNC Kitchen] would like to dispel this myth with the thing which we all love: colorful bar graphs backed up by
scientifically appropriate experiments
. As he rightfully points out, the average resin printer user will just cur... | 6 | 2 | [
{
"comment_id": "6740379",
"author": "cncFriend",
"timestamp": "2024-03-11T00:27:39",
"content": "It is always so good to see Stefan and his testing gizmos. And how he tries to quantify things,",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6740459",
... | 1,760,371,981.761562 | ||
https://hackaday.com/2024/03/10/ford-patent-wants-to-save-internal-combustion/ | Ford Patent Wants To Save Internal Combustion | Al Williams | [
"car hacks"
] | [
"evaporative emissions",
"ice",
"internal combustion engine"
] | There’s no doubt the venerable internal combustion engine is under fire. A recent patent filing from Ford claims it can dramatically reduce emissions and, if true, the technology might
give classic engines a few more years of service life
, according to [CarBuzz].
The
patent
in question centers on improving the evapora... | 85 | 21 | [
{
"comment_id": "6740219",
"author": "Daniel",
"timestamp": "2024-03-10T17:22:05",
"content": "This is about catching vaporized, unburnt fuel. It will not reduce the amount of greenhouse gases.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6740263",
... | 1,760,371,982.149768 | ||
https://hackaday.com/2024/03/10/custom-mouse-making-clay-is-the-way/ | Custom Mouse-Making: Clay Is The Way | Kristina Panos | [
"Peripherals Hacks"
] | [
"adafruit feather S3",
"arduino",
"arduino pro micro",
"ergonomic mouse",
"ergonomics",
"mouse"
] | For something that many of us handle all day long, it sure would be nice if mice came in more sizes and shapes, wouldn’t it? Until that day, we’ll just have to find something passable or else
design and build a custom-shaped mouse from scratch
like [Ben Makes Everything] did.
First, [Ben] played around with some modell... | 11 | 7 | [
{
"comment_id": "6740197",
"author": "shinsukke",
"timestamp": "2024-03-10T15:48:43",
"content": "I swear to the Gods above, its like hackaday articles read my mind. Uncountable number of times, I open hackaday and lo,I was just thinking of making my own wireless mouse (after my Logitech G502 cable ... | 1,760,371,982.036688 | ||
https://hackaday.com/2024/03/10/stm32-draws-on-scope/ | STM32 Draws On Scope | Al Williams | [
"classic hacks"
] | [
"oscilloscope",
"vector graphics"
] | Drawing on an oscilloscope’s XY mode isn’t a new idea. However, if you’ve ever wanted to give it a go, you’d be hard-pressed to find
more information
than the nearly hour-and-a-half video about the topic from [Low Byte Productions]. You can check out the video below.
If you prefer to jump straight into the code, there’... | 7 | 3 | [
{
"comment_id": "6740332",
"author": "OG",
"timestamp": "2024-03-10T22:04:07",
"content": "Has anyone ported old vector arcade games to something that’ll drive an oscilloscope? BattleZone is the first thing that comes to mind.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"... | 1,760,371,982.195922 | ||
https://hackaday.com/2024/03/10/your-cat-needs-its-own-tv/ | Your Cat Needs Its Own TV | Kristina Panos | [
"Raspberry Pi"
] | [
"because cats",
"cat TV",
"lcd display",
"raspberry pi"
] | Cats are wonderful creatures to have around, and they provide us with hours of entertainment. So why not do a little something to entertain them in return? That’s exactly what [Becky Stern] did by making
a cat TV that shows YouTube videos of birds
and other cat-approved content. Not all cats seem to care about TV, but ... | 21 | 6 | [
{
"comment_id": "6740112",
"author": "Dude",
"timestamp": "2024-03-10T09:23:12",
"content": "Aren’t cats supposed to be farsighted? They can’t focus their eyes on objects closer than 10 inches, or at least that’s what I remember reading about it.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,371,982.252291 | ||
https://hackaday.com/2024/03/09/ender-3-plotter-attachment-for-printing-onto-cassettes/ | Ender 3 Plotter Attachment For Printing Onto Cassettes | Maya Posch | [
"3d Printer hacks"
] | [
"ender 3",
"plotter"
] | One way to look at FDM 3D printers is as machines that turn filament into three-dimensional objects, but at their core they are much more versatile than that. Since they can move just about any tool around in 3D space, you can also use them for plotter tasks, a fact that [Geoffrey Gao] made use of when he had to write ... | 15 | 7 | [
{
"comment_id": "6740097",
"author": "fluffy",
"timestamp": "2024-03-10T08:04:15",
"content": "I was researching means of turning a 3D printer into a plotter a few years ago when I needed to do some printing of stuff and didn’t have a 2D printer. At the time I’d found someone else’s pen holder desig... | 1,760,371,982.297903 | ||
https://hackaday.com/2024/03/09/the-insurance-buys-the-wheelchair-but-not-the-app-to-run-it/ | The Insurance Buys The Wheelchair, But Not The App To Run It | Jenny List | [
"Transportation Hacks"
] | [
"app",
"enshittification",
"WheelChair"
] | The writer Cory Doctorow coined the term
enshittification
to describe the way that services decline in quality as their users become the product. He was talking about online services when he came up with the word, but the same is very much true when it comes to hardware. Items which once just worked now need apps and o... | 36 | 14 | [
{
"comment_id": "6740054",
"author": "Mark Topham",
"timestamp": "2024-03-10T03:12:43",
"content": "Short term favour, long term disaster.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6740059",
"author": "Andrew",
"timestamp": "2024-03-10T03:52:52",
... | 1,760,371,982.365784 | ||
https://hackaday.com/2024/03/09/upgrading-pc-cooling-without-upgrading-parts/ | Upgrading PC Cooling With Software | Bryan Cockfield | [
"computer hacks"
] | [
"desktop",
"fans",
"gaming",
"heat",
"linux",
"liquid cooling",
"PC cooling",
"performance",
"sensors",
"systemd",
"temperature",
"water cooling"
] | As computing power increases with each new iteration of processors, actual power consumption tends to increase as well. All that waste heat has to go somewhere, and while plenty of us are content to add fans and heat sinks for a passable air-cooled system there are others who prefer a liquid cooling solution of some so... | 21 | 7 | [
{
"comment_id": "6740026",
"author": "DerAxeman",
"timestamp": "2024-03-10T01:11:01",
"content": "Better to do it in C and lower the CPU overhead running it and generate less heat.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6740028",
"author": "S... | 1,760,371,982.421609 | ||
https://hackaday.com/2024/03/09/a-vanadium-redux-flow-battery-you-can-build/ | A Vanadium Redox Flow BatteryYouCan Build | Dave Rowntree | [
"Battery Hacks"
] | [
"3d printed",
"diy",
"electrolyte",
"flow battery",
"ion exchange",
"nafion",
"sulfuric acid",
"vanadium pentoxide"
] | Vanadium flow batteries are an interesting project, with the materials easily obtainable by the DIY hacker. To that effect [Cayrex2] over on YouTube presents
their take on a small, self-contained flow battery created with off the shelf parts and a few 3D prints
. The video (embedded below) is part 5 of the series, deta... | 36 | 12 | [
{
"comment_id": "6739999",
"author": "DJNZ",
"timestamp": "2024-03-09T22:45:36",
"content": "Re: the headline.ITYM “REDOX” (as in “reduction/oxidization”), not “REDUX” (as in faux-french “re do”)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6740068",
... | 1,760,371,982.496127 | ||
https://hackaday.com/2024/03/09/rosie-the-robot-runs-for-real/ | Rosie The Robot Runs For Real | Al Williams | [
"Robots Hacks"
] | [
"robot",
"rosie the robot",
"vacuum"
] | On the recent 256th episode of the Hackaday podcast, [Kristina] mentioned her favorite fictional robot was Rosie from
The Jetsons
. [Robert Zollna] must agree since
he built a reimagined Rosie
and it even caught the notice of mainstream outlet
People
magazine.
We didn’t find much information outside of the
TikTok video... | 3 | 3 | [
{
"comment_id": "6739971",
"author": "Hirudinea",
"timestamp": "2024-03-09T20:13:40",
"content": "Very retro, not as convenient but makes a regular roomba look like crap.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6740179",
"author": "Inhibit",
"ti... | 1,760,371,982.543546 | ||
https://hackaday.com/2024/03/09/hacking-and-working-on-the-go/ | Hacking And Working On The Go | Elliot Williams | [
"Rants"
] | [
"kit",
"newsletter",
"travel"
] | I’m off visiting my parents for a while, and have managed to bring nearly everything along with me that I need to get work done, and it all fit in a small backpack! This includes a portable audio interface to run my podcast mic, two (count them) two Linux computers, and all manner of simple hacking tools. Microcontroll... | 38 | 18 | [
{
"comment_id": "6739898",
"author": "C. Scott Ananian",
"timestamp": "2024-03-09T15:19:22",
"content": "You’ve hit on the reason I am converting everything possible to USB-C and/or the 12V battery standard used by my Makita CXT tools. The multiplication of dongles and cables is just nuts. I recen... | 1,760,371,982.626056 | ||
https://hackaday.com/2024/03/09/create-virtual-usb-sticks-with-a-raspberry-pi-zero/ | Create Virtual USB Sticks With A Raspberry Pi Zero | Maya Posch | [
"car hacks"
] | [
"pi zero",
"usb drive"
] | Playing back music files from USB sticks is a common feature these days, and is built-into the infotainment system in [Folkert van Heusden]’s Opel Astra. Unfortunately such USB playback features often come with a range of limitations on things like audio codecs, and in the case of [Folkert]’s car, a 1000 file limit. Th... | 28 | 8 | [
{
"comment_id": "6739861",
"author": "Jan",
"timestamp": "2024-03-09T12:23:44",
"content": "The problem is that the Astra’s USB socket only provides 500mA.Dont break it or it will get really expensive.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6739866",... | 1,760,371,982.819367 | ||
https://hackaday.com/2024/03/09/simple-optical-meter-sets-new-standards-for-documentation/ | Simple Optical Meter Sets New Standards For Documentation | Arya Voronova | [
"home hacks"
] | [
"energy meter",
"homeassistant",
"optical interface",
"power meter",
"smart meter",
"smart meters"
] | PiggyMeter is a wonderful example of a device that you never knew you needed – simple, elegant, easy to build, and
accompanied by amazing documentation.
It’s a snap-on interface for electric meters, dubbed so because its 3D printable shell looks like a pig nose, and it works with IEC62056-21 compliant meters. If you wa... | 6 | 5 | [
{
"comment_id": "6739883",
"author": "Robert rolnik",
"timestamp": "2024-03-09T14:34:16",
"content": "Where do I get the 30 x 15 x 2 mm ring magnet?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6739907",
"author": "Jc",
"timestamp": "2024-03-09T15:57... | 1,760,371,982.759588 | ||
https://hackaday.com/2024/03/08/thats-a-lot-of-building-systems/ | That’s A Lot Of Building Systems | Navarre Bartz | [
"Parts"
] | [
"80/20",
"grid beam",
"lego",
"modular",
"modular design",
"modular hardware",
"OpenStructures"
] | The only thing makers like more than building things is making systems to build things. [Eric Hunting] has compiled a
list of these modular building systems
.
You’ve certainly heard of
LEGO
,
grid beam
, and
80/20
, but what about Troxes or Clickaloo? The 70 page document has a helpful index at the beginning arranged i... | 9 | 5 | [
{
"comment_id": "6739820",
"author": "Manuel",
"timestamp": "2024-03-09T07:19:56",
"content": "Appreciate the effort, but would be better with pictures",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6739846",
"author": "macsimski",
"timestamp... | 1,760,371,982.722452 | ||
https://hackaday.com/2024/03/08/inside-americas-last-morse-code-station/ | Inside America’s Last Morse Code Station | Al Williams | [
"Radio Hacks"
] | [
"morse code",
"radio"
] | The Titanic famously (or infamously) used Morse code to call out in distress at the end of its final voyage. Ships at sea and the land-based stations that supported them used Morse code for decades, but with the growing use of satellites, maritime Morse code ended in 1999. With one notable exception. [Saahil Desai] wri... | 42 | 15 | [
{
"comment_id": "6739814",
"author": "YourMother",
"timestamp": "2024-03-09T06:57:15",
"content": "Last Morse code station? How are we gonna communicate now when the Independence Day aliens invade?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6739972",
... | 1,760,371,983.022344 | ||
https://hackaday.com/2024/03/08/pairing-a-new-remote-to-a-cheap-rc-car/ | Pairing A New Remote To A Cheap RC Car | Arya Voronova | [
"Radio Hacks",
"Reverse Engineering"
] | [
"mini rc car",
"R/C car"
] | The cheap little RC cars are abundant anywhere you are, and if you’ve ever disassembled one, you are familiar with how the PCB looks. A single-sided phenolic paper PCB with a mystery chip driving a bunch of through-hole transistors, a sprinkle of through-hole capacitors, and a few supporting components for the wire ant... | 10 | 5 | [
{
"comment_id": "6739849",
"author": "ytrewq",
"timestamp": "2024-03-09T11:18:30",
"content": "If only ESP32 allowed ad-hoc links, making new remote transmitters and receivers for various toys with a potentially huge number of channels would be almost trivial.",
"parent_id": null,
"depth": 1... | 1,760,371,983.075588 | ||
https://hackaday.com/2024/03/08/ferrules-and-3d-prints-revive-classic-microphone/ | Ferrules And 3D Prints Revive Classic Microphone | Dan Maloney | [
"Musical Hacks"
] | [
"Amphenol",
"balanced",
"ferrule",
"microphone",
"shure",
"strain relief",
"Unidyne",
"xlr"
] | Contrary to what our readers may think, we Hackaday writers aren’t exactly hacking layabouts. True, we spend a great deal of time combing through a vast corpus of material to bring you the best from all quadrants of the hacking galaxy, but we do manage to find a few minutes here and there to dip into the shop for a qui... | 3 | 2 | [
{
"comment_id": "6739691",
"author": "KenN",
"timestamp": "2024-03-08T21:25:21",
"content": "A pair of Shure 545’s were my first “serious” mic purchase in the 80s. I still have’em… somewhere. XLR version, fortunately.Glad to see these classics given new life. But that exposed tiewrap? Cringe ;-)",
... | 1,760,371,983.127272 | ||
https://hackaday.com/2024/03/08/2024-home-sweet-home-automation-plantpal-is-a-friend-to-you-both/ | 2024 Home Sweet Home Automation: Plantpal Is A Friend To You Both | Kristina Panos | [
"contests",
"Microcontrollers"
] | [
"2024 Home Sweet Home Automation",
"automated plant care",
"plant care"
] | One easy way to get started on the home automation front is with something that makes a house a home in the first place — lush, green plants. As nice as it is to have them around, it can be difficult to care (or remember to care) for them all the time.
Plantpal makes easy work of that
, with an e-paper display that mak... | 7 | 3 | [
{
"comment_id": "6739722",
"author": "Glen",
"timestamp": "2024-03-08T23:03:39",
"content": "Is there any plan to make this available for sale assembled and ready to plant?This looks perfect for a large indoor garden, ie. Lots of plants in pots.",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,371,983.179038 | ||
https://hackaday.com/2024/03/08/retro-gadgets-pay-tv-in-the-1960s/ | Retro Gadgets: Pay TV In The 1960s | Al Williams | [
"Featured",
"History",
"Interest",
"Slider"
] | [
"CATV",
"matv",
"pay per view",
"tv"
] | These days, paying for TV programming is a fact of life. You pay your cable company or some streaming service and the only question is do you want Apple TV and Hulu or would you rather switch one out for NetFlix? But back in the 1960s, paying for TV seemed unthinkable and was quite controversial. Cable TV systems were ... | 20 | 10 | [
{
"comment_id": "6739613",
"author": "Alex99a",
"timestamp": "2024-03-08T18:26:28",
"content": "The local utilities (gas, electric and water) still visit my house every month. Gas and water meters are read wirelessly from a truck driving slowly down the street, but the guy from the electric company ... | 1,760,371,983.308133 | ||
https://hackaday.com/2024/03/08/hackaday-podcast-episode-261-rickroll-toothbrush-keyboard-cat-zombie-dialup/ | Hackaday Podcast Episode 261: Rickroll Toothbrush, Keyboard Cat, Zombie Dialup | Kristina Panos | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Kristina Panos met up in a new disposable location to give the lowdown on this week’s best hacks. First up in the news —
the Home Sweet Home Automation contest
is still going strong. You’ve still got plenty of time, so
get on over to Hackaday.IO and start your entry today.... | 1 | 1 | [
{
"comment_id": "6739614",
"author": "Bruce Gettel",
"timestamp": "2024-03-08T18:26:55",
"content": "The sound is an old-timey credit card machine at the cash register, taking an imprint of a credit card.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,983.232181 | ||
https://hackaday.com/2024/03/08/more-progress-on-perovskite-solar-cells/ | More Progress On Perovskite Solar Cells | Navarre Bartz | [
"Science",
"Solar Hacks"
] | [
"materials science",
"nanoscale",
"nanostructure",
"perovskites",
"Solar Cells",
"solar energy"
] | Perovskites hold enormous promise for generating solar energy, with the potential to provide lighter and cheaper cells than those made from silicon. Unfortunately, the material breaks down too rapidly to be practical for most applications. But thanks to some recent research, we now have a better understanding of the
na... | 20 | 7 | [
{
"comment_id": "6739617",
"author": "Paul",
"timestamp": "2024-03-08T18:43:05",
"content": "Countenance hints that progress is grim.Especially since it’s coming from what’s usually the land of smiles, rainbows and breathless hyperbole.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,983.365979 | ||
https://hackaday.com/2024/03/08/this-week-in-security-blame-the-feds-emergency-patches-and-the-dma/ | This Week In Security: Blame The Feds, Emergency Patches, And The DMA | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"ransomware",
"teamcity",
"This Week in Security",
"vmware"
] | The temptation to “take the money and run” was
apparently too much for the leadership of the AlphV
ransomware crime ring. You may have heard of this group as being behind the breach of Change Healthcare, and causing payment problems for nearly the entire US Healthcare system. And that hack seems to be key to what’s hap... | 0 | 0 | [] | 1,760,371,983.400992 | ||
https://hackaday.com/2024/03/08/extracting-secoc-keys-from-a-2021-toyota-rav4-prime/ | Extracting SecOC Keys From A 2021 Toyota RAV4 Prime | Maya Posch | [
"car hacks",
"Security Hacks"
] | [
"CAN",
"canbus",
"car security",
"reverse engineering"
] | With the recently introduced SecOC (Secure Onboard Communication) standard, car manufacturers seek to make the CAN bus networks that form the backbone of modern day cars more secure. This standard adds a MAC (message authentication code) to the CAN messages, which can be used to validate that these messages come from a... | 7 | 4 | [
{
"comment_id": "6739581",
"author": "scottunique",
"timestamp": "2024-03-08T15:00:15",
"content": "Giving vehicle owners the capacity to update and change features on their vehicle electronic control systems should be a *right* for folks who own their vehicles and are not leasing them.We’ve seen ho... | 1,760,371,983.449731 | ||
https://hackaday.com/2024/03/08/beverage-coaster-indicates-ideal-drinking-temperature/ | Beverage Coaster Indicates Ideal Drinking Temperature | Kristina Panos | [
"Microcontrollers"
] | [
"beverage",
"blue pill",
"coaster",
"DS18B20",
"STM8S103F",
"tea"
] | When temperatures plummet, there’s nothing like a hot beverage to keep you warmed up inside. [
Palingenesis
] aka [Tim] sure does fancy a nice cuppa, but only within a certain temperature range is it ideal to drink. In an attempt to signal when the time is just right,
he created various iterations of a hot beverage coa... | 9 | 7 | [
{
"comment_id": "6739537",
"author": "Jan",
"timestamp": "2024-03-08T10:17:04",
"content": "Cool project and that’s not something I just say in the heat of the moment of typing this comment. I don’t think I’d be building this design myself as I’m afraid to get cold feet once (during the warm up time... | 1,760,371,983.494016 | ||
https://hackaday.com/2024/03/07/rp2040-esp32-and-an-atmega-have-an-adc-off/ | RP2040, ESP32, And An Atmega Have An ADC-Off | Arya Voronova | [
"Microcontrollers"
] | [
"atmega328p",
"ESP32",
"microcontroller review",
"review",
"rp2040"
] | [Simon Monk] got frustrated with bad ADC performance when tinkering with an ESP32 board, and decided to
put three of the nowadays-iconic boards to the test
– a classic ESP32 devboard, a Pi Pico with an RP2040, and an Arduino Uno R3 with an ATmega328P. To do that, he took a bench PSU, added a filter circuit to it, went ... | 31 | 16 | [
{
"comment_id": "6739483",
"author": "JanW",
"timestamp": "2024-03-08T06:07:48",
"content": "It’s sad Espessif does so poorly with their ADCs… But their micros are so damn cheap and supported by so many great projects (Think Home Assistant) that I tend to use those over Atmegas anyway. At least wher... | 1,760,371,983.671013 | ||
https://hackaday.com/2024/03/07/raspinamp-it-really-replicates-questionable-activities-involving-llamas/ | Raspinamp: It Really Replicates Questionable Activities Involving Llamas | Bryan Cockfield | [
"Musical Hacks"
] | [
"digital",
"ipod",
"linux",
"llama",
"mp3 player",
"music",
"qmmp",
"raspberry pi",
"tft",
"touchscreen",
"winamp"
] | In the late 90s as MP3s and various file sharing platforms became more common, most of us were looking for better players than the default media players that came with our operating systems, if they were included at all. To avoid tragedies like Windows Media Center, plenty of us switched to Winamp instead, a much more ... | 23 | 13 | [
{
"comment_id": "6739443",
"author": "STEPHEN BROWN",
"timestamp": "2024-03-08T03:55:36",
"content": "Pretty Awesome just 15 years too late for most. Though come the apocalypse..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6739479",
"author": "Gra... | 1,760,371,983.730099 | ||
https://hackaday.com/2024/03/07/fabbing-a-fab-new-watch-face/ | Fabbing A Fab New Watch Face | Kristina Panos | [
"PCB Hacks"
] | [
"luminescence",
"Omega Seamaster Calypso III",
"pcb",
"watch"
] | [STR-Alorman] is into vintage watches, particularly Omega Seamaster quartz numbers from the 1980s. Among his favorites is the Seamaster Calypso III, a precious few of which were created in a lovely and rare black-on-black colorway. [STR-Alorman] found one on online, but it had a number of problems including a scratched... | 7 | 4 | [
{
"comment_id": "6739062",
"author": "Thomas Anderson",
"timestamp": "2024-03-07T11:08:20",
"content": "Cool idea, you can also use a combination of the copper layer and solder mask to get better definition on the text and lines. The silkscreen is pretty low res usually, but the copper layers can be... | 1,760,371,983.775809 | ||
https://hackaday.com/2024/03/06/best-of-both-worlds-the-macpad/ | Best Of Both Worlds: The MacPad | Bryan Cockfield | [
"computer hacks"
] | [
"apple",
"ipad",
"macbook",
"sidecar",
"touch screen",
"vision pro"
] | Despite a growing demand for laptop-tablet hybrid computers from producers like Lenovo, HP, and Microsoft, Apple has been stubbornly withdrawn this arena despite having arguably the best hardware and user experiences within the separate domains of laptop and tablet. Charitably one could speculate that this is because A... | 9 | 3 | [
{
"comment_id": "6738992",
"author": "Julianne",
"timestamp": "2024-03-07T06:17:15",
"content": "At least at the time I was still using macbooks, they weren’t the walled gardens that iOS devices were. So you could actually use them for meaningful things. It made sense at the time to only use the iPa... | 1,760,371,984.079257 | ||
https://hackaday.com/2024/03/06/harvard-claims-breakthrough-in-anode-behavior-of-solid-state-lithium-batteries/ | Harvard Claims Breakthrough In Anode Behavior Of Solid State Lithium Batteries | Dave Rowntree | [
"Battery Hacks"
] | [
"dendrite",
"Harvard University",
"lithium battery",
"pouch cell",
"silicon anode",
"solid state"
] | One of the biggest issues facing the solid-state lithium-based batteries we all depend upon is of the performance of the anode; the transport of lithium ions and minimization of dendrite formation are critical problems and are responsible for charge/discharge rates and cell longevity. A team of researchers at Harvard h... | 20 | 6 | [
{
"comment_id": "6738998",
"author": "Agammamon",
"timestamp": "2024-03-07T06:31:09",
"content": "We’ve seen a lot of different ‘breakthroughs’ in batteries over the last decade – none of them are making it into production.",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,371,983.980652 | ||
https://hackaday.com/2024/03/06/floss-weekly-episode-773-nodebb-dont-do-the-math/ | FLOSS Weekly Episode 773: NodeBB — Don’t Do The Math | Jonathan Bennett | [
"Podcasts"
] | [
"FLOSS Weekly",
"node.js",
"NodeBB"
] | This week, Jonathan Bennett and Jeff Massie talk with
Julian Lam
about
NodeBB
! It’s modern forum software that actually has some neat tricks up its proverbial sleeves. From forking of forum threads when conversations differ, to new integration with ActivityPub and Mastodon. It’s forums like you’ve never quite seen the... | 0 | 0 | [] | 1,760,371,984.037432 | ||
https://hackaday.com/2024/03/06/the-16-pcb-robot/ | The $16 PCB Robot | Al Williams | [
"Raspberry Pi",
"Robots Hacks"
] | [
"3d print",
"pcb robot",
"robot"
] | It is a fun project to build a simple robot but, often, the hardest part these days is creating the mechanical base. [Concrete Dog] has a new open source design for
stoRPer
that uses a PC board as the base. The board has a Raspberry Pi Pico and motor drivers. The modular design allows you to add to it easily and use cu... | 20 | 5 | [
{
"comment_id": "6738893",
"author": "paulvdh",
"timestamp": "2024-03-06T23:35:57",
"content": "It’s a simple idea to use the PCB as part of the mechanical construction but there is a hidden problem with this. Ceramic parts such as MMLC capacitors and resistors are very brittle and break easily when... | 1,760,371,984.352514 | ||
https://hackaday.com/2024/03/06/how-powerful-should-an-electric-bike-be-the-uk-is-asking/ | How Powerful Should An Electric Bike Be? The UK Is Asking | Jenny List | [
"Transportation Hacks"
] | [
"250V",
"electric bike",
"uk"
] | As electric drives sweep their way to dominance in the automotive world, there’s another transport sector in which their is also continuing apace. Electric-assisted bicycles preserve the feeling of riding a bike as you always have, along with an electric motor to effortlessly power the rider over hill and dale. Europea... | 119 | 34 | [
{
"comment_id": "6738774",
"author": "TG",
"timestamp": "2024-03-06T19:34:56",
"content": "Oi you got a loicense for that electric bike, mate?Wow, they’re increasing the wattage limit instead of cutting it. Very nice.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,371,984.522873 | ||
https://hackaday.com/2024/03/06/the-1970s-computer-a-slice-of-computing/ | The 1970s Computer: A Slice Of Computing | Al Williams | [
"Hackaday Columns",
"Retrocomputing",
"Slider"
] | [
"amd",
"bit slice",
"bitslice",
"cpu"
] | What do the HP-1000 and the DEC VAX 11/730 have in common with the video games Tempest and Battlezone? More than you might think. All of those machines, along with many others from that time period, used AM2900-family bit slice CPUs.
The bit slice CPU was a very successful product that could only have existed in the 19... | 46 | 24 | [
{
"comment_id": "6738773",
"author": "Correct-o-bot",
"timestamp": "2024-03-06T19:28:59",
"content": "> You could build an 8-bit machine with two slices, a 24-bit machine with three, and so on.Shouldn’t that be six slices for a 24-bit machine?",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,371,984.240386 | ||
https://hackaday.com/2024/03/07/motherboard-revived-with-simplest-1-8v-spi-shifter-ever/ | Motherboard Revived With Simplest 1.8V SPI Shifter Ever | Arya Voronova | [
"computer hacks",
"hardware"
] | [
"1.8v logic",
"level shifter",
"level shifting",
"Ryzen"
] | If you have ever had to fix a modern desktop motherboard, you might have noticed that the BIOS (UEFI) SPI flash is 1.8V – which means you can no longer use a Raspberry Pi or a CH341 adapter directly, and you’d need to use a 1.8V level shifter of some sort. Now, some of us can wait for a 1.8V level shifter adapter from ... | 15 | 8 | [
{
"comment_id": "6739474",
"author": "reg",
"timestamp": "2024-03-08T05:33:25",
"content": "Cool save. Did you pay full price for the mobo. I tend to offer scrap value for the ones that will not at least POST. I get a lot of used computes and the POST is where I draw the line, those that do and t... | 1,760,371,984.291886 | ||
https://hackaday.com/2024/03/07/an-esp32-multifactor-totp-generator/ | An ESP32 MultiFactor TOTP Generator | Dave Rowntree | [
"Security Hacks",
"Software Hacks"
] | [
"ESP32-WROVER-32",
"lcd",
"MFA",
"platformio",
"totp",
"visual studio code"
] | MFA, or multifactor authentication, is a standard security feature these days. However, it can be a drag to constantly reach into one’s pocket, scroll to Google Authenticator (other MFA applications are available!), and find the correct TOTP code to log in to a site for a short while. [Allan Oricil] felt this pain poin... | 22 | 8 | [
{
"comment_id": "6739301",
"author": "Mungojerry",
"timestamp": "2024-03-07T21:05:27",
"content": "I came here for the Top Of The Pops generator.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6739533",
"author": "Johnu",
"timestamp": "2024-0... | 1,760,371,984.583994 | ||
https://hackaday.com/2024/03/07/micro-jeep-model-kit-is-both-business-card-and-portfolio/ | Micro Jeep Model Kit Is Both Business Card And Portfolio | Donald Papp | [
"3d Printer hacks",
"Art"
] | [
"3d printed",
"business card",
"craft cutter",
"Jeep",
"kit card",
"model kit",
"vinyl cutter"
] | When finding work in product design and prototyping, two things are important to have at hand: a business card, and a sample of one’s work. If one can combine those, even better. Make it unique and eye-catching, and you’re really onto something. That seems to have been the idea behind [agepbiz]’s 1:64 scale micro Jeep... | 13 | 9 | [
{
"comment_id": "6739279",
"author": "Hirudinea",
"timestamp": "2024-03-07T20:01:55",
"content": "Well I’m all for saving fuel but I don’t think I can drive around in that.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6739346",
"author": "marz",
"tim... | 1,760,371,984.636889 |
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