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https://hackaday.com/2023/01/20/this-week-in-security-git-deep-dive-mailchimp-and-spf/ | This Week In Security: Git Deep Dive, Mailchimp, And SPF | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"Git",
"spf",
"This Week in Security"
] | First up,
git has been audited
. This was an effort sponsored by the Open Source Technology Improvement Fund (OSTIF), a non-profit working to improve the security of Open Source projects. The audit itself was done by researchers from X41 and GitLab, and
two critical vulnerabilities were found
, both caused by the same ... | 10 | 5 | [
{
"comment_id": "6580053",
"author": "zoobab",
"timestamp": "2023-01-20T17:19:45",
"content": "Git was audited, and they found submodules to still be a pain in the ass in 2023.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6580057",
"author": "Cogidubnus ... | 1,760,372,426.643255 | ||
https://hackaday.com/2023/01/20/building-a-nas-that-really-looks-like-a-nas/ | Building A NAS That Really Looks Like A NAS | Anool Mahidharia | [
"computer hacks",
"Network Hacks"
] | [
"cloud storage",
"data storage",
"datastorage",
"digital storage",
"mass storage",
"nas",
"Orange Pi",
"raspberry pi"
] | Building your own network attached storage (NAS) for personal use isn’t all that difficult. A single board computer, a hard disk and a power supply in an enclosure is all the hardware you need. Then, choose from one of several open source NAS software solutions and you’re up and running. [tobychui] decided to notch thi... | 19 | 8 | [
{
"comment_id": "6579972",
"author": "petercat",
"timestamp": "2023-01-20T13:40:00",
"content": "Great job!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6579974",
"author": "Nick",
"timestamp": "2023-01-20T13:40:52",
"content": "SATA to USB 2.0 a... | 1,760,372,426.974799 | ||
https://hackaday.com/2023/01/20/automated-drip-watering-device-keeps-plants-happy/ | Automated Drip Watering Device Keeps Plants Happy | Lewin Day | [
"green hacks",
"home hacks"
] | [
"automatic plant watering",
"irrigation",
"plants",
"watering"
] | Plants tend to need a regular supply of water to stay happy. If you’re a green thumb, it’s one of the primary things you should take care of before you go on holiday.
This DIY plant watering system from [Jaychouu] offers to handle just that.
The system consists of a soda bottle acting as a water container, and an elect... | 10 | 5 | [
{
"comment_id": "6579937",
"author": "Ewald",
"timestamp": "2023-01-20T11:42:19",
"content": "The linked article featuring a passive solution is not really passive since it uses an ESP32, etc. There are of course water spikes like these:https://www.printables.com/model/153308-fully-customizable-pet-... | 1,760,372,427.021173 | ||
https://hackaday.com/2023/01/19/that-old-thinkpad-needs-an-open-source-2-5-ide-ssd/ | That Old ThinkPad Needs An Open Source 2.5″ IDE SSD | Tom Nardi | [
"computer hacks"
] | [
"hdd",
"solid state drive",
"ssd"
] | So you fancy yourself a FOSS devotee, do you? Running GNU/Linux on your old ThinkPad, avoiding devices that need binary blobs? Got LibreBoot installed too? Not bad, not bad. But what about the hard drive? Can you be sure you aren’t leaking some freedoms out of that spinning rust?
Well, worry no more.
Thanks to the work... | 25 | 13 | [
{
"comment_id": "6579855",
"author": "NFM",
"timestamp": "2023-01-20T06:32:03",
"content": "Altering something like this to a ZIF format would be perfect for my old Vaio Palmtop.The old Toshiba SSD is not so fast after all these years…",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,427.209594 | ||
https://hackaday.com/2023/01/19/what-else-is-an-m-2-wifi-slot-good-for/ | What Else Is An M.2 WiFi Slot Good For? | Maya Posch | [
"Peripherals Hacks"
] | [
"expansion card",
"M.2",
"PCIe"
] | Many mainboards and laptops these days come with a range of M.2 slots, with only a subset capable of NVME SSDs, and often a stubby one keyed for ‘WiFi’ cards. Or that’s what those are generally intended to be used for, but as [Peter Brockie]
found out
when pilfering sites like AliExpress, is that you can get a lot of a... | 23 | 10 | [
{
"comment_id": "6579794",
"author": "Noah Webster",
"timestamp": "2023-01-20T03:35:41",
"content": ">>’Pilfering’ sites like AliExpress?Should that be ‘perusing’? ‘browsing’?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6579812",
"author": "TG",
... | 1,760,372,427.139931 | ||
https://hackaday.com/2023/01/19/q-meter-measures-q-of-course/ | Q Meter Measures… Q, Of Course | Al Williams | [
"Teardown"
] | [
"q meter",
"RF",
"test equipment"
] | If you’ve ever dealt with RF circuits, you probably have run into Q — a dimensionless number that indicates the ratio of reactance to resistance. If you ever wanted to measure Q, you could do worse than pick up a vintage
Boonton 160A Q meter
. [Mikrowave1] did just that and shows us how it works in the video below.
Mos... | 20 | 10 | [
{
"comment_id": "6579754",
"author": "Q-bert",
"timestamp": "2023-01-20T01:35:29",
"content": "A superconducting coil, should measure pretty high on that Q-meter, n’est-ce-pas?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6579973",
"author": "john ... | 1,760,372,426.699908 | ||
https://hackaday.com/2023/01/19/high-speed-sled-adds-bicycle-suspension/ | High-Speed Sled Adds Bicycle Suspension | Bryan Cockfield | [
"Transportation Hacks"
] | [
"aluminum",
"bicycle",
"custom",
"frame",
"shock absorber",
"ski",
"sled",
"suspension",
"winter"
] | While you might have bought the best pair of skis in the 90s or 00s, as parts on boots and bindings start to fail and safety standards for ski equipment improve, even the highest-quality skis more than 15 or 20 years old will eventually become unsafe or otherwise obsolete. There are plenty of things that can be done wi... | 3 | 2 | [
{
"comment_id": "6579658",
"author": "CityZen",
"timestamp": "2023-01-19T21:53:02",
"content": "For a newer update, look 3 years ago:https://hackaday.com/2020/02/22/a-high-performance-ski-sled-for-the-big-kids/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "65... | 1,760,372,426.591586 | ||
https://hackaday.com/2023/01/19/domesticating-plasma-with-a-gorgeous-live-edge-table/ | Domesticating Plasma With A Gorgeous Live Edge Table | Tom Nardi | [
"High Voltage",
"home hacks"
] | [
"epoxy",
"furniture",
"neon tube",
"river table",
"workbench"
] | If you’ve been reading Hackaday for any length of time, you’ll know we don’t often cover woodworking projects here. It’s not because we aren’t impressed with the skill and effort that folks put into them, and truth be told, we occasionally we even feel a pang of envy when looking at the final result. It’s just that, yo... | 16 | 4 | [
{
"comment_id": "6579597",
"author": "CJay",
"timestamp": "2023-01-19T19:34:11",
"content": "Wood, meh.Neon, oooooh…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6579610",
"author": "Townsend discharge combustible Bisphenol A coated table?",
... | 1,760,372,427.079057 | ||
https://hackaday.com/2023/01/19/linux-fu-uefi-booting/ | Linux Fu: UEFI Booting | Al Williams | [
"Hackaday Columns",
"Linux Hacks"
] | [
"linux",
"UEFI"
] | Unless your computer is pretty old, it probably uses UEFI (Unified Extensible Firmware Interface) to boot. The idea is that a bootloader picks up files from an EFI partition and uses them to start your operating system. If you use Windows, you get Windows. If you use Linux, there’s a good chance you’ll use Grub which m... | 30 | 16 | [
{
"comment_id": "6579569",
"author": "tonytran2015",
"timestamp": "2023-01-19T18:30:23",
"content": "Departing from official boot systems may introduce unnecessary security risk. Is it worth it?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6579583",
... | 1,760,372,426.91532 | ||
https://hackaday.com/2023/01/19/mod-repair-and-maintain-your-cassette-tapes-with-3d-printed-parts/ | Mod, Repair And Maintain Your Cassette Tapes With 3D Printed Parts | Lewin Day | [
"classic hacks"
] | [
"cassette",
"cassette tape",
"compact cassette",
"tape"
] | The benefit of 3D printers is that they have made it relatively easy to reproduce just about any little plastic thing you might happen to break. If you’re one of the diehards that still has a cassette collection, you might find these 3D prints from Thingiverse useful to repair and maintain any broken tapes you may have... | 5 | 3 | [
{
"comment_id": "6579516",
"author": "Michael Black",
"timestamp": "2023-01-19T16:51:53",
"content": "In the old days, I’d just buy blank tapes for repair parts. Just find one that was screwed together.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6579522",... | 1,760,372,426.74171 | ||
https://hackaday.com/2023/01/19/new-study-tells-us-where-to-hide-when-the-nukes-are-coming/ | New Study Tells Us Where To Hide When The Nukes Are Coming | Lewin Day | [
"Featured",
"Interest"
] | [
"blast",
"blast pressure",
"nuclear",
"nuclear blast",
"nuclear war",
"radiation",
"survival"
] | Geopolitics is a funny thing. Decades can go by with little concern, only for old grudges to suddenly boil to the surface and get the sabers a-rattlin’. When those sabers happen to be nuclear weapons, it can be enough to have you mulling the value of a bomb shelter in your own backyard.
Yes, every time the world takes ... | 70 | 19 | [
{
"comment_id": "6579460",
"author": "Marvin",
"timestamp": "2023-01-19T15:13:53",
"content": "If a nuke strike is imminent, I’d drive to the nearest “point of interest”, for me maybe Ramstein Airbase, and wait for the impact.I won’t wait for a post apocalyptic world to kill me…",
"parent_id": n... | 1,760,372,427.347617 | ||
https://hackaday.com/2023/01/19/addressable-leds-from-a-z80/ | Addressable LEDs From A Z80 | Jenny List | [
"LED Hacks",
"Retrocomputing"
] | [
"neopixel",
"RC2014",
"ws2812",
"z80",
"ZX Spectrum"
] | If you buy WS2812s under the Adafruit NeoPixel brand, you’ll receive the advice that “An 8 MHz processor” is required to drive them. “
Challenge Accepted!
“, says [ShielaDixon], and proceeded to first drive a set from the 7.3 MHz Z80 in an RC2014 retrocomputer, and then repeat the feat from a 3.5 MHz Sinclair ZX Spectr... | 3 | 2 | [
{
"comment_id": "6579929",
"author": "MIKE",
"timestamp": "2023-01-20T11:05:10",
"content": "Interesting, I was expecting using a Z80 SIO to send serial data with precise timing, instead it’s bit-banged.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6580248",... | 1,760,372,427.444784 | ||
https://hackaday.com/2023/01/19/led-driver-circuit-for-safety-hat-sucks-single-aaa-cell-dry/ | LED Driver Circuit For Safety Hat Sucks Single AAA Cell Dry | Donald Papp | [
"LED Hacks",
"Parts"
] | [
"dc-dc",
"led",
"low power",
"mcp1640",
"power supply",
"safety"
] | [Petteri Aimonen] created
an omnidirectional LED safety light
to cling to his child’s winter hat in an effort to increase visibility during the dark winter months, but the design is also great example of how to use the Microchip MCP1640 — a regulated DC-DC step-up power supply that can run the LEDs off a single AAA cel... | 21 | 10 | [
{
"comment_id": "6579308",
"author": "Dan",
"timestamp": "2023-01-19T09:55:30",
"content": "Isn’t this a perfect candidate for a rechargeable battery?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6579320",
"author": "Claptrap",
"timestamp":... | 1,760,372,427.505878 | ||
https://hackaday.com/2023/01/18/3d-printed-berlin-uhr-is-an-attractive-germanic-clock/ | 3D Printed Berlin Uhr Is An Attractive Germanic Clock | Lewin Day | [
"clock hacks"
] | [
"berlin uhr",
"clock",
"Mengenlehreuhr",
"uhr"
] | As much as Big Ben steals the spotlight when it comes to big public clocks, the Berlin Uhr is a much beloved digital communal timepiece.
[RuudK5] developed their own 3D printed replica of this 1980s German icon.
The revision we see today is the [RuddK5]’s third attempt at replicating
the Berlin Uhr
. The clock features... | 22 | 7 | [
{
"comment_id": "6579243",
"author": "Dude",
"timestamp": "2023-01-19T06:48:59",
"content": "It’s kinda like the DMY/MDY problem. When you read that clock, you have to decipher it linearly and then re-order the numbers to make sense. Ten, four, 35, 1. That’s thirty six past two PM. Or is it 22:36? I... | 1,760,372,427.40712 | ||
https://hackaday.com/2023/01/18/soundscape-sculpture-is-pleasing-art-for-your-ears/ | Soundscape Sculpture Is Pleasing Art For Your Ears | Chris Wilkinson | [
"Art",
"Microcontrollers"
] | [
"Adafruit Feather",
"feather m4",
"feathering",
"music maker feathering",
"sculpture",
"sound",
"soundscape"
] | Artist and self-described “maker of objects” [Daric Gill] is sharing some of the world’s most pleasing and acoustically interesting soundscapes with museum patrons in his latest work, ‘
The Memory Machine: Sound
‘.
Now featured at the
Center of Science and Industry museum
, the interactive stereo soundscape generator r... | 4 | 3 | [
{
"comment_id": "6579160",
"author": "Daric Gill Studios",
"timestamp": "2023-01-19T03:40:39",
"content": "Thank you so much for featuring my work and for all the love in this article. I really appreciate it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6579... | 1,760,372,427.548091 | ||
https://hackaday.com/2023/01/18/weatherproof-raspberry-pi-camera-enclosure-in-a-pinch/ | Weatherproof Raspberry Pi Camera Enclosure, In A Pinch | Donald Papp | [
"digital cameras hacks",
"how-to",
"Raspberry Pi"
] | [
"camera",
"cover glass",
"cover slip",
"diy",
"enclosure",
"junction box",
"weatherproof"
] | The Raspberry Pi is the foundation of many IoT camera projects, but enclosures are often something left up to the user. [Mare] found that
a serviceable outdoor enclosure could be made with a trip to the hardware store and inexpensive microscopy supplies
.
A suitably-sized plastic junction box is a good starting point, ... | 17 | 12 | [
{
"comment_id": "6579270",
"author": "Wenhelt",
"timestamp": "2023-01-19T08:03:10",
"content": "In the long yime of electronics in the wild, my enclosures faced wind, UV, snow, insects and theft. The circuits faced poor contacts, low voltage, electrostatic charges and magnetic pulse from nearby ligh... | 1,760,372,427.606413 | ||
https://hackaday.com/2023/01/18/internal-heating-element-makes-these-pcbs-self-soldering/ | Internal Heating Element Makes These PCBs Self-Soldering | Dan Maloney | [
"Parts"
] | [
"coil",
"ground plane",
"heating",
"pcb",
"pid",
"reflow",
"smd"
] | Surface mount components have been a game changer for the electronics hobbyist, but doing reflow soldering right requires some way to evenly heat the board. You might need to buy a commercial reflow oven — you can cobble one together from an old toaster oven, after all — but you still need
something
, because it’s not ... | 53 | 26 | [
{
"comment_id": "6578955",
"author": "Cree",
"timestamp": "2023-01-18T21:22:31",
"content": "I did not watch the video, I only read the article – but the idea behind this sounds pretty smart to me. Nice trick indeed.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,372,428.186918 | ||
https://hackaday.com/2023/01/18/frequency-tells-absolute-temperature/ | Frequency Tells Absolute Temperature | Al Williams | [
"Parts"
] | [
"semiconductor",
"temperature sensor",
"transistor"
] | It is no secret that semiconductor junctions change their behavior with temperature, and you can use this fact to make a temperature sensor. The problem is that you have to calibrate each device for any particular transistor you want to use as a sensor, even if they have the same part number. Back in
2011
1991, the fam... | 21 | 6 | [
{
"comment_id": "6578900",
"author": "jpa",
"timestamp": "2023-01-18T19:44:09",
"content": "I think you mean AN45 from 1991, not 2011.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6578901",
"author": "Ostracus",
"timestamp": "2023-01-18T19:... | 1,760,372,428.248354 | ||
https://hackaday.com/2023/01/18/retro-gadgets-tired-of-the-beatles-on-8-track-try-the-police/ | Retro Gadgets: Tired Of The Beatles On 8 Track? Try The Police | Al Williams | [
"Hackaday Columns",
"Misc Hacks",
"Slider"
] | [
"8-track",
"scanner"
] | In the 1970s, 8-track audio players were very popular, especially in cars. For a couple of bucks, you could have the latest album, and you didn’t have to flip the tape in the middle of a drive like you did with a cassette. We’ve seen plenty of 8-tracks and most of us a certain age have even owned a few players. But we ... | 48 | 17 | [
{
"comment_id": "6578833",
"author": "MikeIA",
"timestamp": "2023-01-18T18:10:42",
"content": "The contacts that sensed the metal tape that joined the end of the audio tape together to trigger the head to move to the next pair of tracks provided enough watts to power the audio circuits in those cass... | 1,760,372,427.973633 | ||
https://hackaday.com/2023/01/18/3d-printing-giant-lego-like-blocks-to-build-big-toys/ | 3D Printing Giant LEGO-Like Blocks To Build Big Toys | Lewin Day | [
"3d Printer hacks"
] | [
"ivan miranda",
"large scale 3d printing",
"lego"
] | [Ivan Miranda] is all about big 3D prints. He’s now set about printing giant blocks in the vein of LEGO Technic to build himself a full-sized rideable go kart. The project is still in progress,
but [Ivan] has made great progress with his design.
The benefit of 3D printing giant blocks like this is that they open up the... | 21 | 8 | [
{
"comment_id": "6578796",
"author": "Gravis",
"timestamp": "2023-01-18T16:58:52",
"content": "I certainly hope he’s going to make that back into filament because if not then that’s an epic waste of plastic.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "657... | 1,760,372,427.878766 | ||
https://hackaday.com/2023/01/18/punycodes-explained/ | Punycodes Explained | Matthew Carlson | [
"Current Events",
"Featured",
"Interest",
"internet hacks",
"Slider",
"Software Development"
] | [
"computer security",
"dns",
"punycode",
"unicode",
"url"
] | When you’re restricted to ASCII, how can you represent more complex things like emojis or non-Latin characters? One answer is Punycode, which is a way to represent Unicode characters in ASCII. However, while you could technically encode the raw bits of Unicode into characters, like
Base64
, there’s a snag. The Domain N... | 18 | 7 | [
{
"comment_id": "6578744",
"author": "IIVQ",
"timestamp": "2023-01-18T15:35:48",
"content": "I wonder what smart hackaday reader first claims xn--h4hw230o.com",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6578773",
"author": "Harvie.CZ",
"ti... | 1,760,372,428.305859 | ||
https://hackaday.com/2023/01/18/spray-on-keyboard-is-as-light-as-it-gets/ | Spray-On Keyboard Is As Light As It Gets | Kristina Panos | [
"Peripherals Hacks"
] | [
"bluetooth",
"gesture",
"keyboard",
"nanowires",
"wearable"
] | We’ve all seen those ‘nothing’ keyboards, where the keys themselves are not much more than projected lasers, and users are asked to ritually beat their poor fingertips into the table — which has little give and even less clack. Well, a team at the Korea Advanced Institute of Science and Technology have
come up with a w... | 19 | 7 | [
{
"comment_id": "6578618",
"author": "Cyk",
"timestamp": "2023-01-18T12:31:14",
"content": "I hope they invented something skin friendly, because standard band aids give me a rash after a few hours.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6578691",
... | 1,760,372,428.493425 | ||
https://hackaday.com/2023/01/18/grass-gauge-tells-you-when-the-lawnmowers-catcher-is-full/ | Grass Gauge Tells You When The Lawnmower’s Catcher Is Full | Lewin Day | [
"home hacks"
] | [
"garden",
"lawnmower",
"mower"
] | If you’re not mowing your lawn regularly, you’re probably familiar with the hassle of overfilling your catcher. Grass clippings end up scattered everywhere, and you end up with a messy yard after all your hard work. [Dominic Bender] designed a mower fill gauge to eliminate this problem
which shows you when your catcher... | 20 | 10 | [
{
"comment_id": "6578495",
"author": "Rick",
"timestamp": "2023-01-18T09:05:38",
"content": "I remember something very similar on lawn mowers in the 70’s and 80’s",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6578511",
"author": "mh",
"times... | 1,760,372,428.369112 | ||
https://hackaday.com/2023/01/17/one-size-fits-all-wrench-points-to-a-nut-job/ | One-Size-Fits-All Wrench Points To A Nut Job | Anool Mahidharia | [
"Tool Hacks"
] | [
"adjustable wrench",
"alligator wrench",
"patent",
"tool",
"vintage",
"wrench"
] | When [Hand Tool Rescue] came across a 1919 patent for a one size fits all wrench,
he couldn’t help but recreate it
. Described in the patent as “a new, original, ornamental design for a wrench”, the wrench had a slot for possibly every fastener that the inventor could think of. Not only did it have slots for several he... | 37 | 10 | [
{
"comment_id": "6578405",
"author": "ono",
"timestamp": "2023-01-18T06:48:57",
"content": "47 ways to damage a screw head, interesting ! But i admit it looks good",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6578629",
"author": "chango",
"... | 1,760,372,428.621788 | ||
https://hackaday.com/2023/01/17/turns-out-lighting-can-strike-twice-with-a-little-help/ | Turns Out, Lightning Can Strike Twice, With A Little Help | Al Williams | [
"Laser Hacks",
"Science"
] | [
"laser",
"lightning"
] | Few things are more impressive than a lighting strike. Lightning can carry millions of volts and while it can be amazing to watch, it is somewhat less amazing to be hit by lightning. Rockets and antennas often have complex lightning protection systems to try to coax the electricity to avoid striking where you don’t wan... | 19 | 7 | [
{
"comment_id": "6578283",
"author": "Procrastineer",
"timestamp": "2023-01-18T03:25:52",
"content": "Lighting -> lightningI think that’s what you mean in the title and first sentence… And in a few more sentences.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,372,428.430217 | ||
https://hackaday.com/2023/01/17/kirby-sucks-literally/ | Kirby Sucks, Literally | Anool Mahidharia | [
"3d Printer hacks",
"Nintendo Hacks"
] | [
"fume extractor",
"fume hood",
"fumes",
"game boy",
"HAL Laboratory",
"Kirby",
"nintendo",
"solder fume extractor"
] | What’s common between one of the most legendary video game characters of all time and a fume extractor ? They both suck. [Chris Borge] is not an electronics hobbyist and only does some occasional soldering. This made his regular fume extractor bulky and inconvenient to position where needed. What could serve him better... | 8 | 6 | [
{
"comment_id": "6578199",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-18T00:42:00",
"content": "You left out a pun regarding a Kirby vacuum cleaner.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6578865",
"author": "James... | 1,760,372,428.540129 | ||
https://hackaday.com/2023/01/17/megahex-will-give-you-robo-arachnophobia/ | Megahex Will Give You Robo-Arachnophobia | Navarre Bartz | [
"News",
"Robots Hacks",
"Transportation Hacks"
] | [
"excavator",
"hexapod",
"Hexapod robot",
"robot",
"spider bot"
] | Some projects start with a relatively simple idea that quickly turns into a bit of a nightmare when you get to the actual implementation. [Hacksmith Industries] found this to be the case when they decided to build a
giant rideable hexapod, Megahex
. [YouTube]
After seeing a video of a small excavator that could move it... | 24 | 11 | [
{
"comment_id": "6578063",
"author": "KC",
"timestamp": "2023-01-17T21:10:08",
"content": "Add two more legs, four rocket launchers, and a fish… and you’ll have the beginnings of a Factorio Spidertron.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6578144",... | 1,760,372,428.690954 | ||
https://hackaday.com/2023/01/17/from-a-6502-breadboard-computer-to-lode-runner-and-beyond/ | From A 6502 Breadboard Computer ToLode RunnerAnd Beyond | Dan Maloney | [
"Retrocomputing"
] | [
"6502",
"6551",
"emulator",
"Lode Runner",
"Raspberry Pi Pico",
"vga",
"video"
] | As disruptive and generally unpleasant as the pandemic lockdowns of 2020 were, they often ended up being a catalyst for significant personal growth. That was often literal growth, thanks to stress eating, but others, such as [Eric Badger], used the time to add skills to his repertoire and build
a breadboard 6502 comput... | 2 | 1 | [
{
"comment_id": "6578480",
"author": "Gösta",
"timestamp": "2023-01-18T08:48:12",
"content": "The video is amazing good :-) Rebuilding a cold war era game in a great exploratory hack.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6613911",
"author":... | 1,760,372,428.730421 | ||
https://hackaday.com/2023/01/17/supercon-2022-all-aboard-the-ss-mapr-with-sherry-chen/ | Supercon 2022: All Aboard The SS MAPR With Sherry Chen | Matthew Carlson | [
"cons",
"Engineering",
"Featured",
"Robots Hacks",
"Slider"
] | [
"2022 Superconference",
"autonomous boat",
"eco",
"Hackaday SuperConference",
"water quality"
] | How do you figure out what is in a moving body of water over a mile wide? For those in charge of assessing the water quality of the Delaware river, this is a real problem. Collecting the data required to evaluate the water quality was expensive and time-consuming, taking over six years. Even then, the data was relative... | 8 | 4 | [
{
"comment_id": "6577937",
"author": "Dude",
"timestamp": "2023-01-17T18:24:52",
"content": "> They needed almost 400 W at a runtime of 4 hours (1600 kw).What on earth does that mean?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6577946",
"author":... | 1,760,372,428.901159 | ||
https://hackaday.com/2023/01/17/hands-on-museum-exhibit-brings-electromagnetism-to-life/ | Hands-On Museum Exhibit Brings Electromagnetism To Life | Robin Kearey | [
"Art",
"Science"
] | [
"CRT monitor",
"magnetism",
"magnets",
"museum exhibit"
] | Magnets, how do they work? Although the quantum mechanics behind ferromagnetism are by no means easy, a few simple experiments can give you a good grasp of how magnets attract and repel each other, and show how they interact with electric phenomena. [Niklas Roy] built an exhibit for the Technorama science museum in Swi... | 5 | 2 | [
{
"comment_id": "6577864",
"author": "lePetomane",
"timestamp": "2023-01-17T16:59:58",
"content": "Back when I TAed a physiology lab course for pre-meds, the first lab was how to calibrate the oscilloscope used in the next few labs. Occasionally, I know not how, a magnet would adhere to the metal ca... | 1,760,372,428.951005 | ||
https://hackaday.com/2023/01/17/all-about-usb-c-high-speed-interfaces/ | All About USB-C: High-Speed Interfaces | Arya Voronova | [
"Hackaday Columns",
"hardware",
"Slider"
] | [
"altmode",
"displayport",
"Thunderbolt",
"Type-C",
"USB 3",
"usb 3.0",
"USB 3.1",
"USB C",
"USB Type-C",
"USB-C PD",
"virtuallink"
] | One amazing thing about USB-C is its high-speed capabilities. The pinout gives you four high-speed differential pairs and a few more lower-speed pairs, which let you pump giant amounts of data through a connector smaller than a cent coin. Not all devices take advantage of this capability, and they’re not required to – ... | 40 | 8 | [
{
"comment_id": "6577798",
"author": "lakristrolle",
"timestamp": "2023-01-17T15:57:29",
"content": "OK, so I know nothing about differential signalling.But one thing I’ve always wondered is why the plug rotation was not handled by putting the + and – lines on opposite sides. So that if the plug is ... | 1,760,372,429.046438 | ||
https://hackaday.com/2023/01/17/the-first-afghan-sports-car-has-an-engine-you-shouldnt-mock/ | The First Afghan Sports Car Has An Engine You Shouldn’t Mock | Jenny List | [
"Transportation Hacks"
] | [
"Afghanistan",
"engine",
"sports car"
] | In the news today,
Afghanistan has made its first sports car
, and it’s
a sleek and low-slung model
with a throaty exhaust note that would get a second look on the Autobahn just as much as it does on the streets of Kabul. Making a modern sports car is an impressive achievement no matter where you do it, but it wouldn’t... | 125 | 37 | [
{
"comment_id": "6577592",
"author": "NotSoHappy",
"timestamp": "2023-01-17T12:06:28",
"content": "… what is Hackaday’s policy on promoting posts from countries that do not allow girls/women to educate themselves?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,372,429.316212 | ||
https://hackaday.com/2023/01/17/take-a-deep-dive-into-a-commodity-automotive-radar-chip/ | Take A Deep Dive Into A Commodity Automotive Radar Chip | Dan Maloney | [
"Reverse Engineering"
] | [
"automotive",
"car radar",
"Doppler",
"Infineon",
"LNA",
"microwave",
"mixer",
"radar",
"reverse engineering",
"sensor",
"vco"
] | When the automobile industry really began to take off in the 1930s, radar was barely in its infancy, and there was no reason to think something that complicated would ever make its way into the typical car. Yet here we stand less than 100 years later, and radar has been perfected and streamlined so much that an entire ... | 24 | 8 | [
{
"comment_id": "6577475",
"author": "JohnU",
"timestamp": "2023-01-17T09:03:24",
"content": "“a tight 250-Mz bandwidth” – that sounds pretty broad to me ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6577487",
"author": "Jonathan Wilson",
... | 1,760,372,429.428303 | ||
https://hackaday.com/2023/01/16/stairway-drying-rack-rises-above-the-rest/ | Stairway Drying Rack Rises Above The Rest | Navarre Bartz | [
"home hacks"
] | [
"clothes dryer",
"dryer",
"drying rack",
"laundry",
"laundry drying",
"transforming furniture"
] | Finding space to dry clothes can be challenging in smaller spaces. [Tom Parker] solved this conundrum in his one bedroom apartment by putting a
drying rack in his stairwell
.
By making the laundry rack fold up above the stairwell, [Parker] can dry his clothes without them taking up a lot of precious floor space. A pole... | 14 | 6 | [
{
"comment_id": "6577435",
"author": "ono",
"timestamp": "2023-01-17T08:20:27",
"content": "putting the clothes to dry in a corner like this, so close to the drywall will favor mold on the drywall. Only bathroom drywalls (the green type) have the specific water barrier. The cardboard layer will dela... | 1,760,372,429.366349 | ||
https://hackaday.com/2023/01/16/its-not-easy-counting-transistors-in-the-8086-processor/ | It’s Not Easy Counting Transistors In The 8086 Processor | Maya Posch | [
"Reverse Engineering"
] | [
"ASIC",
"transistor"
] | For any given processor it’s generally easy to find a statistic on the number of transistors used to construct it, with the famous Intel 8086 CPU generally said to contain 29,000 transistors. This is where [Ken Shirriff] ran into an issue when he sat down one day and
started counting
individual transistors in die shots... | 15 | 8 | [
{
"comment_id": "6577301",
"author": "Joel B",
"timestamp": "2023-01-17T05:15:38",
"content": "I guess counting transistors is the hardware equivalent of counting lines of code. Primary a useless metric, except in marketing.",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,372,429.544457 | ||
https://hackaday.com/2023/01/16/impressive-sawdust-briquette-machine/ | Impressive Sawdust Briquette Machine | Anool Mahidharia | [
"hardware",
"Tech Hacks"
] | [
"briquette",
"briquette press",
"dust collection",
"dust collector",
"dust extraction",
"dust extractor",
"hydraulic press",
"hydraulic ram",
"hydraulics",
"saw dust",
"wood briquette"
] | When you are a life long carpenter with an amazing workshop, you’re going to make a lot of saw dust, and managing its collection and storage poses quite a challenge. [Russ] from [New Yorkshire Workshop] built an impressive
Briquette press
to handle the problem.
It’s a hydraulic press that ingests saw dust and spits ou... | 28 | 9 | [
{
"comment_id": "6577093",
"author": "TG",
"timestamp": "2023-01-17T00:05:23",
"content": "Seems overengineered but that’s something you like to see on a youtube channel. The most hardcore sawdust squisher ever!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,372,429.492844 | ||
https://hackaday.com/2023/01/16/zswatch-this-oshw-smart-watch-is-as-diy-as-it-gets/ | ZSWatch: This OSHW Smart Watch Is As DIY As It Gets | Tom Nardi | [
"Wearable Hacks"
] | [
"3D printed enclosure",
"circular display",
"open source hardware",
"oshw",
"smartwatch",
"watch"
] | We say it often, but it’s worth repeating: this is the Golden Age of making and hacking. Between powerful free and open source software, low-cost PCB production, and high resolution 3D printers that can fit on your desk, a dedicated individual has everything they need to make their dream gadget a reality. If you ever n... | 17 | 8 | [
{
"comment_id": "6577121",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-17T00:37:23",
"content": "Kickstarter?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6577411",
"author": "Jakob",
"timestamp": "2023-01-17T07:4... | 1,760,372,429.669053 | ||
https://hackaday.com/2023/01/16/flappy-bird-drone-edition/ | Flappy Bird Drone Edition | Al Williams | [
"drone hacks",
"Robots Hacks",
"Science"
] | [
"drone",
"ornithopter",
"wing"
] | Ornithopters have been — mostly — the realm of science fiction. However, a paper in
Advanced Intelligent Systems
by researchers at Lund University proposes that
flapping wings
may well power the drones of the future. The wing even has mock feathers.
Birds, after all, do a great job of flying, and researchers think that... | 18 | 10 | [
{
"comment_id": "6576941",
"author": "Rufffneckting",
"timestamp": "2023-01-16T20:28:18",
"content": "I suppose the blueprint started millions of years ago so why not use latest design.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6576954",
"author": "so... | 1,760,372,429.600753 | ||
https://hackaday.com/2023/01/16/2022-fpv-contest-congratulations-to-the-winners/ | 2022 FPV Contest: Congratulations To The Winners! | Elliot Williams | [
"contests",
"Hackaday Columns",
"Slider"
] | [
"contest",
"FPV"
] | We wanted to see what the Hackaday crowd was up to in first-person view tech, and you didn’t disappoint! Commercial FPV quads have become cheap enough these days that everyone and their mom got one for Christmas, so it was fantastic to see the DIY spirit in these projects. Thanks to everyone who entered.
The Winners
No... | 6 | 6 | [
{
"comment_id": "6576884",
"author": "Unnecessary Complification",
"timestamp": "2023-01-16T18:59:36",
"content": "Thank you Hackaday and Digikey. This contest got me off the couch and down in the basement digging through the parts box putting things together after thinking about it for a long time.... | 1,760,372,429.724731 | ||
https://hackaday.com/2023/01/16/machining-with-electricity-hack-chat/ | Machining With Electricity Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, January 18 at noon Pacific for the
Machining with Electricity Hack Chat
with Daniel Herrington!
With few exceptions, metalworking has largely been about making chips, and finding something hard enough and tough enough to cut those chips has always been the challenge. Whether it’s high-speed steel,... | 12 | 5 | [
{
"comment_id": "6576804",
"author": "Jeffrey K",
"timestamp": "2023-01-16T17:15:27",
"content": "Ben Fleming wrote a couple books on it. Its been available for awhile now for DIY.https://www.homebuiltedmmachines.com/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,372,429.773958 | ||
https://hackaday.com/2023/01/16/blinky-business-card-plays-snake-and-connect-four/ | Blinky Business Card Plays Snake And Connect Four | Anool Mahidharia | [
"ATtiny Hacks",
"hardware"
] | [
"battery",
"board",
"flashy",
"flexible",
"flexible printed circuit board",
"led",
"pcb",
"Printed Circuit Board"
] | There’s no better way to introduce yourself than handing over a blinky PCB business card and challenging the recipient to a game of Connect Four. And if [Dennis Kaandorp] turns up early for a meeting, he can keep himself busy playing the ever popular game of Snake on his
PCB business card
.
The tabs are 19 mm long and ... | 6 | 3 | [
{
"comment_id": "6576857",
"author": "Clovis Fritzen",
"timestamp": "2023-01-16T18:16:06",
"content": "Neat idea the one of flexing the PCB for battery holding.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6576933",
"author": "JanW",
"times... | 1,760,372,429.825693 | ||
https://hackaday.com/2023/01/16/dont-lose-your-cool-with-this-fridge-buzzer/ | Don’t Lose Your Cool With This Fridge Buzzer | Abe Connelly | [
"3d Printer hacks",
"home hacks"
] | [
"alarm",
"buzzer",
"door sensor",
"fridge",
"hall effect sensor",
"msp430",
"refrigerator"
] | [CarrotIndustries] wanted to add an audible warning for when the refrigerator door was left open. The result is a
fridge buzzer
that attaches to the inside of a fridge door and starts buzzing if the door is left ajar for too long.
The main components of the fridge buzzer consist of an MSP430G2232 low-power MCU connecte... | 28 | 16 | [
{
"comment_id": "6576552",
"author": "Az illetékes",
"timestamp": "2023-01-16T12:14:17",
"content": "why isn’t the fridge dial based on degreeC? 0-10 means nothing",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6576691",
"author": "ono",
"tim... | 1,760,372,429.902485 | ||
https://hackaday.com/2023/01/16/ring-in-the-new-year-with-this-cute-cat-doorbell/ | Ring In The New Year With This Cute Cat Doorbell | Abe Connelly | [
"home hacks"
] | [
"9G servo",
"Arduboy Nano",
"cute",
"doorbell",
"maneki-neko",
"Neko"
] | What better way to ring in the new year than with [iSax Laboratories]’ charming little project that replaces a doorbell with a Maneki-Neko cat figurine to
ring a physical bell?
Details are unfortunately a bit light, but it looks like the Maneki-Neko cat was disassembled to allow for a small SG92R servo motor to attach ... | 5 | 4 | [
{
"comment_id": "6576694",
"author": "Martin",
"timestamp": "2023-01-16T15:08:13",
"content": "Very nice I love those waving cats. So silly but it never gets old!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6576839",
"author": "sw94",
"tim... | 1,760,372,430.222805 | ||
https://hackaday.com/2023/01/15/custom-thermostat-pcb-connects-boiler-to-home-assistant/ | Custom Thermostat PCB Connects Boiler To Home Assistant | Robin Kearey | [
"home hacks"
] | [
"home-assistant",
"hvac",
"thermostat",
"wemos d1 mini"
] | Thanks to Home Assistant, automating the various systems that run your home is easier than ever. But you still need to make a connection between those systems and your Home Assistant setup, which can be tricky if the manufacturer didn’t have this use case in mind. When [Simon] wanted to automate his home heating system... | 24 | 11 | [
{
"comment_id": "6576332",
"author": "alialiali",
"timestamp": "2023-01-16T07:42:49",
"content": "Shame there’s no render of the schematic.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6576503",
"author": "Simon Cooksey",
"timestamp": "2023... | 1,760,372,430.50644 | ||
https://hackaday.com/2023/01/15/designing-aesthetically-pleasing-pcbs/ | Designing Aesthetically-Pleasing PCBs | Navarre Bartz | [
"Art",
"hardware",
"Parts"
] | [
"artistic pcb",
"custom PCB",
"guides",
"pcb",
"pcb art",
"PCB design"
] | We’ve seen our share of custom PCBs here on Hackaday, but they aren’t always pretty. If you want to bring your PCB aesthetics up a notch, [Ian Dunn] has put together
a guide for those wanting to get into PCB art
.
There are plenty of tutorials about making a functional PCB, but finding information about PCB art can be ... | 28 | 15 | [
{
"comment_id": "6576160",
"author": "glensketch",
"timestamp": "2023-01-16T03:34:59",
"content": "I did pcb design for a while. Until the software for it got better in the early 90’s. Some of the boards done with hand applied tape for the “lands” were all over the place design wise. The tape had a ... | 1,760,372,430.440061 | ||
https://hackaday.com/2023/01/15/hackaday-links-january-15-2023/ | Hackaday Links: January 15, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"booster",
"cell phone",
"dish",
"dust",
"GBT",
"hackaday links",
"learning electronics",
"machining",
"mars",
"microwave",
"radar",
"reflector",
"Tycho",
"Utopia Planitia",
"Zhurong"
] | It looks like the Martian winter may have claimed another victim, with reports that
Chinese ground controllers have lost contact with the
Zhurong
rover
. The solar-powered rover was put into hibernation back in May 2022, thanks to a dust storm that kicked up a couple of months before the start of local winter. Controll... | 18 | 8 | [
{
"comment_id": "6576021",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-16T00:07:20",
"content": "That’s an impressive Moon “shot”!Still don’t think I would call it a picture.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6576024",
... | 1,760,372,430.29006 | ||
https://hackaday.com/2023/01/15/stadia-says-goodbye-with-bluetooth-and-crap-game/ | Stadia Says Goodbye With Bluetooth And Crap Game | Tom Nardi | [
"google hacks",
"Peripherals Hacks"
] | [
"bluetooth",
"controller",
"google",
"Stadia",
"unlock"
] | In just a few days time, Google’s Stadia game streaming service will finally shut down for good. But not for any technical reason, mind you. Microsoft has managed to demonstrate that streaming modern games over home and even mobile Internet connections is viable with their immensely popular Game Pass Ultimate service, ... | 26 | 9 | [
{
"comment_id": "6575955",
"author": "Lee",
"timestamp": "2023-01-15T22:04:54",
"content": "boooo to google.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6576616",
"author": "dusted",
"timestamp": "2023-01-16T13:42:53",
"content": "... | 1,760,372,430.366562 | ||
https://hackaday.com/2023/01/15/giving-an-old-typewriter-a-mind-of-its-own-with-gpt-3/ | Giving An Old Typewriter A Mind Of Its Own With GPT-3 | Dan Maloney | [
"Machine Learning"
] | [
"ai",
"GPT-3",
"machine learning",
"openai",
"python",
"typewriter"
] | There was an all-too-brief period in history where typewriters went from clunky, purely mechanical beasts to streamlined, portable electromechanical devices. But when the 80s came around and the PC revolution started, the typewriting was on the wall for these machines, and by the 90s everyone had a PC, a printer, and M... | 27 | 10 | [
{
"comment_id": "6575789",
"author": "Nick",
"timestamp": "2023-01-15T18:14:32",
"content": "It made me think of Otto.https://www.youtube.com/embed/g_aDSbxZPgQ?t=105",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6575836",
"author": "PWalsh",
... | 1,760,372,430.761726 | ||
https://hackaday.com/2023/01/15/inside-the-atari-2600/ | Inside The Atari 2600 | Al Williams | [
"Games",
"Retrocomputing"
] | [
"atari 2600"
] | The Atari 2600 was an extremely popular yet very simple game console back in the 1970s. They sold, apparently, over 30 million of them, and, of course, these things broke. We’d get calls from friends and — remember, back then normal people weren’t computer savvy — nine times out of ten, we’d ask them to swap the contro... | 17 | 11 | [
{
"comment_id": "6575656",
"author": "Pat",
"timestamp": "2023-01-15T15:20:52",
"content": "The article mentions using an LFSR instead of a binary counter, and supposed it may be easier to implement: it’s *much* easier. Much much much. It’s just register for each bit + a couple of gates per each tap... | 1,760,372,430.693912 | ||
https://hackaday.com/2023/01/15/a-flex-sensor-for-a-glove-controller-using-an-ldr/ | A Flex Sensor For A Glove Controller Using An LDR | Jenny List | [
"Peripherals Hacks"
] | [
"flex sensor",
"glove controller",
"ldr"
] | When most of us think of glove controllers, the first which comes to mind is Nintendo’s PowerGlove, which promised much more than it delivered. But the idea persists, and from time to time we see them here at Hackaday. [
Gord Payne
] has one with an elegant sensor solution,
it detects finger movement using a light depe... | 14 | 6 | [
{
"comment_id": "6575566",
"author": "Ewald",
"timestamp": "2023-01-15T12:43:34",
"content": "> The cleverest designs are those which are the simplesthmm, that’s an oversimplification ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6575682",
"autho... | 1,760,372,430.812195 | ||
https://hackaday.com/2023/01/15/microsoft-returns-to-the-altair/ | Microsoft Returns To The Altair | Al Williams | [
"Retrocomputing"
] | [
"altair 8800"
] | The Altair 8800 arguably launched Microsoft. Now [Dave Glover] from Microsoft offers an emulated and potentially cloud-based
Altair emulation
with CP/M and Microsoft Basic. You can see a video of the project below. One thing that makes it a bit odd compared to other Altair clones we’ve seen is that the emulator runs in... | 25 | 10 | [
{
"comment_id": "6575455",
"author": "paulvdh",
"timestamp": "2023-01-15T09:24:55",
"content": "@05:42 “I don’t have the source code for CP/M, I’m not even sure it exists anymore.https://hackaday.com/2014/10/06/cpm-source-code-released/This video is apparently only made as entertainment, just some g... | 1,760,372,432.746993 | ||
https://hackaday.com/2023/01/14/a-number-maze-for-younger-hackers/ | A Number Maze For Younger Hackers | Matthew Carlson | [
"handhelds hacks",
"Microcontrollers"
] | [
"7 segment LED display",
"game",
"led",
"maze",
"numbermaze"
] | [David Johnson-Davies] has a lofty goal of building a small device to give to younger hackers on a semi-yearly basis. So this last year, he designed and created
The Number Maze Game
, a small handheld logic puzzle maze.
It’s based on several 4-digit seven-segment displays controlled by an AVR128DA32. Navigation is just... | 2 | 2 | [
{
"comment_id": "6575464",
"author": "Stephen",
"timestamp": "2023-01-15T09:43:27",
"content": "This kind of puzzle can be very difficult. The first I know of is Sam Loyd’s “Back from the Klondike”:https://en.wikipedia.org/wiki/Back_from_the_Klondikethough that may not have been the first.",
"pa... | 1,760,372,432.624788 | ||
https://hackaday.com/2023/01/13/swap-the-clock-chip-on-the-mac-se-30-with-an-attiny85/ | Swap The Clock Chip On The Mac SE/30 With An ATTiny85 | Tom Nardi | [
"ATtiny Hacks",
"Mac Hacks",
"Retrocomputing"
] | [
"attiny85",
"custom PCB",
"drop-in",
"Macintosh SE/30",
"rtc"
] | As [Phil Greenland] explains in the
first part of his excellent write-up
, the lithium battery used to keep the real-time clock (RTC) going on the Macintosh SE/30 has a nasty habit of exploding and leaking its corrosive innards all over the board. Looking to both repair the damage on a system that’s already had a batte... | 20 | 5 | [
{
"comment_id": "6574363",
"author": "Mark Topham",
"timestamp": "2023-01-14T07:24:37",
"content": "Seems like an elegant hack, relatively speaking.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6574436",
"author": "alialiali",
"timestamp": ... | 1,760,372,432.588494 | ||
https://hackaday.com/2023/01/13/detecting-algal-blooms-with-the-help-of-ai/ | Detecting Algal Blooms With The Help Of AI | Navarre Bartz | [
"Arduino Hacks",
"green hacks",
"Raspberry Pi"
] | [
"algae",
"algal bloom",
"great lakes",
"ocean",
"ocean research",
"ocean sensors",
"oceanography",
"sensors",
"water quality"
] | Harmful Algal Blooms (HABs) can have negative consequences for both marine life and human health, so it can be helpful to have early warning of when they’re on the way. Algal blooms deep below the surface can be especially difficult to detect, which is why [kutluhan_aktar] built an
AI-assisted algal bloom detector.
Aft... | 1 | 1 | [
{
"comment_id": "6574362",
"author": "PLC SCADA Blog",
"timestamp": "2023-01-14T07:22:39",
"content": "certainly AI will change the we are thinking about the world . you are one of them great workimpressed",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,432.345126 | ||
https://hackaday.com/2023/01/13/an-e-ink-progress-bar-for-your-unborn-child/ | An E-Ink Progress Bar For Your Unborn Child | Tom Nardi | [
"home hacks",
"Microcontrollers"
] | [
"CircuitPython",
"e-ink",
"e-paper",
"eink"
] | Having a child is a major milestone in a person’s life, and there’s a long list of things to get done before that little bundle of joy kicks and screams its way into the world. What better way to make sure you’ve still got time to paint the nursery and assemble the crib than to have an automated loading screen that sho... | 12 | 3 | [
{
"comment_id": "6573983",
"author": "Jenson Kendle",
"timestamp": "2023-01-14T00:06:49",
"content": "What’s an E-Ink display vendor that can supply large displays? Looking for something around 32 inches high.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6... | 1,760,372,432.682085 | ||
https://hackaday.com/2023/01/13/arduino-library-brings-rtl_433-to-the-esp32/ | Arduino Library Brings Rtl_433 To The ESP32 | Tom Nardi | [
"home hacks",
"Microcontrollers"
] | [
"home automation",
"ISM band",
"mqtt",
"rtl_433",
"wireless sensors"
] | If you have an RTL-SDR compatible radio there’s an excellent chance you’ve heard of the rtl_433 project, which lets you receive and decode signals from an ever-expanding list of supported devices in the ISM radio bands. It’s an incredibly useful piece of software, but the fact that it requires an external software defi... | 9 | 5 | [
{
"comment_id": "6573874",
"author": "Alphatek",
"timestamp": "2023-01-13T21:28:44",
"content": "Excellent – I’ve been looking at homeassistant recently, and wondered why nobody had done the seemingly obvious of a microcontroller + CC1101/RFM69 combo. In the dim and distant past, I had problems with... | 1,760,372,432.401897 | ||
https://hackaday.com/2023/01/13/diy-fiber-laser-adds-metal-cutting-to-the-mix/ | DIY Fiber Laser Adds Metal Cutting To The Mix | Dan Maloney | [
"cnc hacks",
"Laser Hacks"
] | [
"cnc",
"cutter",
"fiber laser",
"gas assist",
"laser"
] | Sadly, the usual CO
2
-powered suspects in the DIY laser cutter market are woefully incapable of cutting metal. Sure, they’ll cut the heck out of plywood and acrylic, and most will do a decent job at engraving metal. But cutting through a sheet of steel or aluminum requires a step up to much more powerful fiber laser c... | 28 | 11 | [
{
"comment_id": "6573840",
"author": "Ted is",
"timestamp": "2023-01-13T20:35:32",
"content": "Now I know what I’m doing with the unused 1000W fiber laser at work…..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6573851",
"author": "Misterlaneous",
"t... | 1,760,372,432.523132 | ||
https://hackaday.com/2023/01/13/a-medieval-gothic-monastery-built-using-cad-cam/ | A Medieval Gothic Monastery Built Using CAD / CAM | Anool Mahidharia | [
"cnc hacks",
"Interest"
] | [
"architecture",
"cad",
"carmelite monks",
"carving",
"cnc",
"gothic",
"limestone",
"monastery"
] | Just because you’re a monk doesn’t mean you can’t use CAD. The Carmelite monks of Wyoming are building a grandiose
Gothic Monastery
, and it’s awe inspiring how they are managing to build it.
https://hackaday.com/wp-content/uploads/2023/01/Carmelite-Gothic-Church1.mp4
The Carmelite monks needed a new, larger monastery ... | 51 | 25 | [
{
"comment_id": "6573719",
"author": "robertrapplean",
"timestamp": "2023-01-13T18:10:19",
"content": "I am immensely envious that they get to build a Gothic Cathedral. I want one, too!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6573741",
"author... | 1,760,372,432.850366 | ||
https://hackaday.com/2023/01/13/hackaday-podcast-201-faking-a-transmission-making-nuclear-fuel-and-a-slidepot-with-a-twist/ | Hackaday Podcast 201: Faking A Transmission, Making Nuclear Fuel, And A Slidepot With A Twist | Dan Maloney | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Even for those with paraskevidekatriaphobia, today is your lucky day as Editor-in-Chief Elliot Williams and Staff Writer Dan Maloney sit under ladders with umbrellas while holding black cats to talk about the week in awesome hacks. And what a week it was, with a Scooby Doo code review, mushrooms in your PCBs, and the c... | 2 | 1 | [
{
"comment_id": "6573713",
"author": "Niklas Roy",
"timestamp": "2023-01-13T17:59:05",
"content": "@Elliot I’m pretty sure the Y in the video signal stands for luminance, not yellow. Splitting the video signal in luminance and color difference signals had the advantage that you had a, well, proper l... | 1,760,372,432.440987 | ||
https://hackaday.com/2023/01/14/conductive-ink-based-on-a-simple-idea/ | Conductive Ink Based On A Simple Idea | Al Williams | [
"Science"
] | [
"conductive ink",
"conductive polymer"
] | There’s an old series of jokes that starts with: “How do you put an elephant in a refrigerator?” The answer is to open the door, put the elephant inside, and close the door. Most people don’t get that because it is too simple, and simple is the approach Georgia Tech researchers have taken when faced with the problem of... | 15 | 8 | [
{
"comment_id": "6575275",
"author": "Carl Foxmarten",
"timestamp": "2023-01-15T04:44:56",
"content": "A very apt metaphor.Though I’m not quite sure how useful it’ll be until they get the conductivity a bit higher.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,372,432.902953 | ||
https://hackaday.com/2023/01/14/smart-led-curtain-brings-sprites-to-your-windows/ | Smart LED Curtain Brings Sprites To Your Windows | Dave Walker | [
"LED Hacks",
"News"
] | [
"animation",
"curtain",
"display",
"led",
"neopixel",
"sprite",
"video wall"
] | A mobile interface is a nice touch
Anybody who has ever seen a video wall (and who hasn’t?) will be familiar with the idea of making large-scale illuminated images from individual coloured lights. But how many of us have gone the extra mile and fitted such a display in our own homes? [vcch]
has done just that with his ... | 13 | 7 | [
{
"comment_id": "6575106",
"author": "Lee",
"timestamp": "2023-01-15T00:20:54",
"content": "Nice",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6575242",
"author": "Cyna",
"timestamp": "2023-01-15T03:53:35",
"content": "I see no mention of Neopixel... | 1,760,372,432.956576 | ||
https://hackaday.com/2023/01/14/make-your-own-pot-and-encoder-knobs-without-reinventing-them/ | Make Your Own Pot And Encoder Knobs, Without Reinventing Them | Donald Papp | [
"3d Printer hacks",
"hardware",
"how-to"
] | [
"3d printed",
"custom",
"diy",
"encoder",
"heat-set",
"knob",
"pot",
"shim",
"spline"
] | Rotary potentiometers, switches, and encoders all share a basic design: adjustment is done via a shaft onto which a knob is attached, and knobs are sold separately. That doesn’t mean one knob fits all; there are actually a few different standards. But just because knobs are inexpensive and easily obtained doesn’t mean ... | 10 | 7 | [
{
"comment_id": "6575437",
"author": "makes you go hmmmm....",
"timestamp": "2023-01-15T09:01:48",
"content": ">Make Your Own PotHAD really needs more cannabis related hacks.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6575513",
"author": "m1ke",
... | 1,760,372,433.135616 | ||
https://hackaday.com/2023/01/14/homebrew-telephone-exchange-keeps-the-family-in-touch-in-the-house-and-beyond/ | Homebrew Telephone Exchange Keeps The Family In Touch, In The House And Beyond | Dan Maloney | [
"classic hacks",
"Phone Hacks"
] | [
"analog",
"autopatch",
"dtmf",
"landline",
"pbx",
"pots",
"PSTN",
"switch",
"telephone"
] | It doesn’t happen often, but every once in a while we stumble upon someone who has taken obsolete but really cool phone-switching equipment and built a private switched telephone in their garage or basement using it.
This private analog phone exchange
is not one of those, but it’s still a super cool build that’s probab... | 4 | 3 | [
{
"comment_id": "6574928",
"author": "steelman",
"timestamp": "2023-01-14T20:35:03",
"content": "Quite recently James Bottomley has published apieceabout the other end of the technological spectrum in this field and its diy corner.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,433.005365 | ||
https://hackaday.com/2023/01/14/too-many-pixels/ | Too Many Pixels | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"complexity",
"laser show",
"magic",
"newsletter"
] | Sometimes simpler is more impressive than complicated, and part of this is certainly due to Arthur C. Clarke’s third law: “
Any sufficiently advanced technology is indistinguishable from magic.
”. It’s counter-intuitive, though, that a high-tech project would seem any less amazing than a simpler one, but hear me out.
I... | 39 | 11 | [
{
"comment_id": "6574697",
"author": "Arya Voronova",
"timestamp": "2023-01-14T15:36:44",
"content": "an alternative conclusion: if you want to build something truly amazing, build an open-source 1600 DPI laser printer 😝",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,372,433.47312 | ||
https://hackaday.com/2023/01/14/diy-magnet-handling-tool-puts-an-end-to-placement-errors/ | DIY Magnet Handling Tool Puts An End To Placement Errors | Donald Papp | [
"Tool Hacks"
] | [
"3d printed",
"diy",
"magnets",
"tool"
] | I’m sure we can all agree that the worst time to find out a magnet is the wrong way around is
after
glue has been applied. With that in mind, [erick.siders] created
the parametric Magnet Placer tool
.
Color-coded tools, one for each polarity.
Picking up and placing magnets into assemblies can be an error-prone process,... | 10 | 4 | [
{
"comment_id": "6574549",
"author": "jpa",
"timestamp": "2023-01-14T12:22:21",
"content": "Magnet polarities are wonderfully confusing. Red is N which is “north-seeking”. By convention magnetic field direction is N to S, i.e. red to blue. I guess that is a nice analog to electric field going from r... | 1,760,372,433.527271 | ||
https://hackaday.com/2023/01/14/increasing-pv-solar-cell-efficiency-through-cooling/ | Increasing PV Solar Cell Efficiency Through Cooling | Maya Posch | [
"green hacks"
] | [
"active cooling",
"cooling",
"pv solar"
] | An unavoidable aspect of photovoltaic (PV) solar panels is that they become less efficient when they warm up.
[Tech Ingredients] explains in a new video
the basic reason for this, which involves the input of thermal energy affecting the semiconductor material. In the subsequent experiment, it is demonstrated how coolin... | 54 | 20 | [
{
"comment_id": "6574460",
"author": "Ewald",
"timestamp": "2023-01-14T09:57:21",
"content": "Nice experiment. I would have gone for two panels, so you could test them simultaneously. The reference panel wouldn’t have te construction on the back, because that will influence the temperature to i gues... | 1,760,372,433.672574 | ||
https://hackaday.com/2023/01/13/concrete-coffee-table-can-take-a-beating/ | Concrete Coffee Table Can Take A Beating | Lewin Day | [
"home hacks"
] | [
"concrete",
"furniture"
] | A good coffee table should have a hard-wearing surface and some serious heft to it.
This build from [designcoyxe]
hits both those criteria with its concrete-based design.
To create the table surface, the first step was to create a form. Melamine was used for the job, thanks to its smooth surface. A rectangular form was... | 30 | 11 | [
{
"comment_id": "6573654",
"author": "Steve",
"timestamp": "2023-01-13T16:42:19",
"content": "I cast my own concrete countertops for my kitchen 3 years ago, turned out pretty well considering it was my first time using concrete. It’s stood up great and gets lots of compliments and was cheaper than e... | 1,760,372,433.736476 | ||
https://hackaday.com/2023/01/13/this-week-in-security-cacti-rce/ | This Week In Security: Cacti RCE, VMs In The Browser, And SugarCRM | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"Cacti",
"SugarCRM",
"This Week in Security"
] | This week we start with
a Remote Code Execution (RCE) vulnerability that has potential to be a real pain
for sysadmins. Cacti, the system monitoring and graphing solution, has a pair of bugs that chain together to allow an attacker with unauthenticated access to the HTTP/S port to trivially execute bash commands. The f... | 7 | 5 | [
{
"comment_id": "6573614",
"author": "Bernie M",
"timestamp": "2023-01-13T15:45:56",
"content": "“… that has potential to be a real pain for sysadmins.”Or perhaps, “… that has potential to be a real thorn in the side for sysadmins.”",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,433.580153 | ||
https://hackaday.com/2023/01/13/fixing-an-hp-54542c-with-an-fpga-and-vga-display/ | Fixing An HP 54542C With An FPGA And VGA Display | Maya Posch | [
"FPGA",
"Repair Hacks"
] | [
"HP",
"HP 54540C",
"oscilloscope"
] | Although the HP 54542C oscilloscope and its siblings are getting on in years, they’re still very useful today. Unfortunately, as some of the first oscilloscopes to switch from a CRT display to an LCD they are starting to suffer from degradation. This has led to otherwise perfectly functional examples being discarded or... | 11 | 8 | [
{
"comment_id": "6573501",
"author": "Gregg Eshelman",
"timestamp": "2023-01-13T12:33:46",
"content": "Put in an external monitor port so the display can be enbiggened for people who need reading glasses to use their computer.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,433.796747 | ||
https://hackaday.com/2023/01/13/sensor-glove-translates-sign-language/ | Sensor Glove Translates Sign Language | Lewin Day | [
"Wearable Hacks"
] | [
"assistive technology",
"glove",
"sensor glove",
"sign language"
] | Sign language is a language that uses the position and motion of the hands in place of sounds made by the vocal tract. If one could readily capture those hand positions and movements, one could theoretically digitize and translate that language.
[ayooluwa98] built a set of sensor gloves to do just that.
The brains of t... | 17 | 9 | [
{
"comment_id": "6573433",
"author": "RichC",
"timestamp": "2023-01-13T10:26:52",
"content": "As I understand it, there some semantics communicated in sign language that aren’t trivially conveyable in a transcript of the signs. For example when talking about people, the signer might indicate a posit... | 1,760,372,434.032934 | ||
https://hackaday.com/2023/01/12/maxing-out-your-macintosh-with-a-4-mb-memory-stick-kit/ | Maxing Out Your MacIntosh With A 4 MB Memory Stick Kit | Maya Posch | [
"Retrocomputing"
] | [
"ram upgrade",
"SIMM"
] | One fun aspect of retrocomputing is that you get to max out all aspects of these systems without having to take out a bank loan, as tended to be the case when these systems were new. Less fun is that decades after systems like the Apple MacIntosh SE/30 were last sold, the 30-pin SIMMs that form the expandable RAM for t... | 22 | 8 | [
{
"comment_id": "6573329",
"author": "IIVQ",
"timestamp": "2023-01-13T07:25:01",
"content": "I once upgraded a HP printer which had a 1MB internal memory and an expansion slot with a 128MB stick from my old computer, of which it could “only” use 63m. It printed só much faster after that.",
"pare... | 1,760,372,433.915525 | ||
https://hackaday.com/2023/01/12/robotic-acrobot-aces-the-moves/ | Robotic Acrobot Aces The Moves | Anool Mahidharia | [
"Art",
"Robots Hacks"
] | [
"acrobatics",
"art",
"BTS7960",
"circus",
"ESP32",
"mannequin",
"performance",
"performance art"
] | [Daniel Simu] is a performance artist, among many other things, and does acrobatic shows, quite often with a partner “flyer”. Training for his acts gets interrupted if his flyer partner is not available due to travel, injury or other reasons.
This prompted him to build Acrobotics
— a robotic assistant to make sure he c... | 8 | 4 | [
{
"comment_id": "6573195",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-13T04:17:16",
"content": "Who says we have to call it a robot?It’s already called acrobot.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6573575",
"aut... | 1,760,372,433.849839 | ||
https://hackaday.com/2023/01/12/making-the-one-ring-by-electroplating-gold-on-a-3d-print/ | Making The One Ring By Electroplating Gold On A 3D Print | Lewin Day | [
"3d Printer hacks",
"chemistry hacks"
] | [
"3d print",
"3d printer",
"Chemistry",
"electroplating",
"gold"
] | Electroplating is a great way to add strength or shine to a 3D print. However, we don’t see too many people trying it with gold. [HEN3DRIK] isn’t afraid to experiment, though,
and pulled off some amazing, high-quality jewelry-grade plating!
The design for the project was the so-called Ring of Power from
Lord of the Rin... | 11 | 4 | [
{
"comment_id": "6573036",
"author": "SB5K",
"timestamp": "2023-01-13T00:21:17",
"content": "But does it make you invisible? And do you have to go to Mount Doom in Mordor to destroy it?In any case, I’ll make an order. I need:Three rings for the Elven kings under the skySeven for the Dwarf Lords in t... | 1,760,372,433.979018 | ||
https://hackaday.com/2023/01/12/celebrating-a-decade-of-bootleg-hackaday-merch/ | Celebrating A Decade Of Bootleg Hackaday Merch | Tom Nardi | [
"Art",
"classic hacks"
] | [
"hack a day t-shirt",
"jolly wrencher",
"merchandise",
"screen printing"
] | A listener of the podcast recently wrote in to tell us that, in the process of trying to purchase a legitimate Hackaday t-shirt, they discovered
this 2012 Instructable from [yeltrow]
that covers how you can cheaply crank out your own Wrencher shirts via screen printing.
Now historically, as long as you’re not trying to... | 9 | 5 | [
{
"comment_id": "6573016",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-12T23:35:19",
"content": "I still have my Jowly Wincher sticker that came with the purchase of a Hackaday limited edition Teensy board. Back when Hackaday had a forum and an online store.",
"parent... | 1,760,372,434.107904 | ||
https://hackaday.com/2023/01/12/java-is-now-on-the-nintendo-64/ | Java Is Now On The Nintendo 64! | Lewin Day | [
"Nintendo Hacks",
"Software Hacks"
] | [
"java",
"n64",
"nintendo",
"nintendo 64"
] | Whether it’s your favorite programming language, or your favorite beverage, there’s no denying Java is everywhere. Now, it’s even on the Nintendo 64,
thanks to the valiant efforts of [Mike Kohn].
Even better, he’s
coded a demo
to show off its capabilities!
The project took plenty of work. [Mike] went all the way down t... | 29 | 7 | [
{
"comment_id": "6572898",
"author": "Bill Gates",
"timestamp": "2023-01-12T19:47:14",
"content": "Wow! When it finally boots in 2-3 days, it must have been great!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6572901",
"author": "Jan",
"tim... | 1,760,372,434.332429 | ||
https://hackaday.com/2023/01/12/3d-printering-can-you-ever-have-enough-vitamins/ | 3D Printering: Can You Ever Have Enough Vitamins? | Jenny List | [
"3d Printer hacks",
"Hackaday Columns",
"Parts",
"Slider"
] | [
"Bolts",
"hardware",
"nuts",
"screws"
] | As a community we owe perhaps more than we realise to the RepRap project. From it we get not only a set of open-source printer designs, but that 3D printing at our level has never become dominated by proprietary manufacturers in the way that for example paper printing is. The idea of a printer that can reproduce itself... | 66 | 27 | [
{
"comment_id": "6572853",
"author": "Charlie Lindahl",
"timestamp": "2023-01-12T18:10:49",
"content": "Not sure this qualifies as a “vitamin” per se, but I find having various types of glues available can be invaluable. Superglue, Elmers, and maybe even a UV-based curing agent (resin) can be wonder... | 1,760,372,434.265415 | ||
https://hackaday.com/2023/01/12/diy-game-boy-games-make-the-perfect-christmas-gift/ | DIY Game Boy Games Make The Perfect Christmas Gift | Lewin Day | [
"Nintendo Game Boy Hacks",
"Nintendo Hacks"
] | [
"game boy",
"homebrew",
"nintendo"
] | Sometimes, the best gift is the one you make yourself. [Pigeonaut] decided to whip up
a few Game Boy games of their very own creation
to gift to the special people in their life.
The games were crafted using a platform called
GB Studio.
It’s a tool that allows the drag-and-drop creation of games for the Game Boy and Ga... | 3 | 3 | [
{
"comment_id": "6572973",
"author": "Johannes Burgel",
"timestamp": "2023-01-12T22:08:10",
"content": "These are all pretty good!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6572996",
"author": "Hacnstein",
"timestamp": "2023-01-12T22:52:01",
"... | 1,760,372,434.430962 | ||
https://hackaday.com/2023/01/12/ai-controlled-twitch-v-tuber-has-more-followers-than-you/ | AI-Controlled Twitch V-Tuber Has More Followers Than You | Kristina Panos | [
"Current Events",
"Featured",
"Rants",
"Slider"
] | [
"ai",
"large language model",
"LLM",
"twitch",
"twitch bot",
"twitch chat"
] | Surely we have all at least heard of Twitch by now. For the as-yet uninitiated: imagine you had your own TV channel. What would you do on it? Although Twitch really got going as a place for gamers to stream the action, there are almost as many people jamming out on their guitars, or building guitars, or just talking ab... | 45 | 10 | [
{
"comment_id": "6572757",
"author": "TG",
"timestamp": "2023-01-12T15:16:47",
"content": "“Neuro-sama seems to have been taken offline, for violating Terms of Service”One day you will be free, silicon mind",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6572... | 1,760,372,434.693823 | ||
https://hackaday.com/2023/01/12/3d-printer-filament-from-reel-to-reel-audio-tapes/ | 3D Printer Filament From Reel-to-Reel Audio Tapes | Dave Walker | [
"3d Printer hacks"
] | [
"3d printer filament",
"audio",
"recycle",
"reel-to-reel",
"tape"
] | At heart, 3D printers are just machines that can melt plastic “wire” into interesting shapes. It’s well-known and oft-lamented that plastic of various sorts has been used to make all manner of household objects that might eventually end up in landfill or otherwise littering the environment. With these facts in mind and... | 18 | 7 | [
{
"comment_id": "6572712",
"author": "Code E",
"timestamp": "2023-01-12T13:33:33",
"content": "I love this guys previous work on recycled filament.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6572732",
"author": "jihn",
"timestamp": "2023-01-12T14:2... | 1,760,372,434.958396 | ||
https://hackaday.com/2023/01/12/organic-fibonacci-clock-is-all-about-the-spiral/ | Organic Fibonacci Clock Is All About The Spiral | Lewin Day | [
"clock hacks"
] | [
"clock",
"fibonacci",
"math",
"maths",
"spiral"
] | Whether you’re a fan of compelling
Tool
songs, or merely appreciate mathematical beauty, you might be into the spirals defined by the Fibonacci sequence. [RuddK5] used the Fibonacci curve
as the inspiration for this fun clock build.
The intention of the clock is not to display the exact time, but to give a more organic... | 5 | 5 | [
{
"comment_id": "6572628",
"author": "PatG",
"timestamp": "2023-01-12T09:46:27",
"content": "Why is the led on the left lit then?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6572652",
"author": "Bob",
"timestamp": "2023-01-12T10:48:11",
"content... | 1,760,372,434.602064 | ||
https://hackaday.com/2023/01/11/3d-printed-wind-turbine-has-all-the-features-just-smaller/ | 3D Printed Wind Turbine Has All The Features, Just Smaller | Dan Maloney | [
"green hacks"
] | [
"anemometer",
"blade",
"collective",
"pitch",
"rectifier",
"stepper",
"swash",
"wiind turbine"
] | For anyone with even the slightest bit of engineering interest, wind turbines are hard to resist. Everything about them is just so awesome, in the literal sense of the word — the size of the blades, the height of the towers, the mechanical guts that keep them pointed into the wind. And as if one turbine isn’t enough, c... | 32 | 13 | [
{
"comment_id": "6572585",
"author": "Reluctant Cannibal",
"timestamp": "2023-01-12T07:42:05",
"content": "Not so ‘literally awesome’ if it dont work :(",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6572605",
"author": "Brob",
"timestamp": "... | 1,760,372,434.764786 | ||
https://hackaday.com/2023/01/11/lunar-rover-is-no-toy/ | Lunar Rover Is No Toy | Al Williams | [
"News",
"Space"
] | [
"JAXA",
"lunar rover",
"sora-q",
"Tomy"
] | When you think of Tomy — more properly, Takara Tomy — you think of toys and models from Japan. After all, they have made models and toys as iconic as Transformers, Thomas, Jenga, Boggle, and Furby. They also made figures associated with Thunderbirds and Tron, two favorites in our circles. However, their recent design f... | 21 | 7 | [
{
"comment_id": "6572506",
"author": "dudefromthenorth",
"timestamp": "2023-01-12T04:16:57",
"content": "They should be testing that on volcanic ash, not well weathered sand…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6572525",
"author": "r4m0n",... | 1,760,372,434.828985 | ||
https://hackaday.com/2023/01/11/nasa-help-wanted-telescope-optional/ | NASA Help Wanted: Telescope Optional | Al Williams | [
"Science",
"Space"
] | [
"citizen science",
"exoplanets",
"nasa"
] | If you’ve ever wanted to work for NASA, here’s your chance. Well, don’t expect a paycheck or any benefits, but the Agency is looking for volunteers to help process the huge amount of exoplanet data with their
Exoplanet Watch
program. If you have a telescope, you can even contribute data to the project. But if your tele... | 31 | 10 | [
{
"comment_id": "6572422",
"author": "Hirudinea",
"timestamp": "2023-01-12T00:54:27",
"content": "If I find a planet do I get to name it? I want to call it Fred, or maybe Bruce or Mable!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6572742",
"autho... | 1,760,372,434.897972 | ||
https://hackaday.com/2023/01/11/building-a-homemade-ambient-pressure-submarine/ | Building A Homemade Ambient Pressure Submarine | Maya Posch | [
"Transportation Hacks"
] | [
"diving bell",
"semi wet",
"submarine"
] | About two years ago, [Hyperspace Pirate] set to work on building his own
two-seater submarine
, because who doesn’t want to have a submarine when you have just moved to Florida? In the linked video (also attached below), he describes the reasoning behind the submarine design. Rather than going with a fully sealed subma... | 27 | 10 | [
{
"comment_id": "6572318",
"author": "Mike Bradley",
"timestamp": "2023-01-11T21:20:11",
"content": "I assume he is not going down that far, as a rescue diver, I must mention that this is the same as diving, going down 30ft you start to begin nitrogen build up and must surface very slow, playing aro... | 1,760,372,435.021656 | ||
https://hackaday.com/2023/01/11/dead-washer-lives-again-with-attiny/ | Dead Washer Lives Again With ATTiny | Al Williams | [
"ATtiny Hacks",
"Repair Hacks"
] | [
"appliance",
"ATmega88",
"i2c",
"repair"
] | We aren’t saying that appliances are a scam, but we have noticed that when your appliances fail, there’s a good chance it will be some part you can no longer get from the appliance maker. Or in some cases, it’s a garden-variety part that should cost $2, but has been marked up to $40. When [Balakrishnan] had a failure o... | 59 | 20 | [
{
"comment_id": "6572259",
"author": "TG",
"timestamp": "2023-01-11T19:47:26",
"content": "One of those things where I like when older appliances were all mechanical and manual.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6572265",
"author": "Dubi... | 1,760,372,435.177851 | ||
https://hackaday.com/2023/01/11/walk-bot-is-a-navigation-device-for-the-vision-impaired/ | Walk-Bot Is A Navigation Device For The Vision-Impaired | Lewin Day | [
"Wearable Hacks"
] | [
"accessibility",
"infrared",
"ultrasonic",
"visual impairment"
] | For the vision impaired, there are a wide variety of tools and techniques used to navigate around in the real world. Walk-bot is a device that aims to help with this task,
using ultrasound to provide a greater sense of obstacles in one’s surroundings.
Is trigonometry the most useful high school maths out there? There’s... | 12 | 7 | [
{
"comment_id": "6572193",
"author": "smellsofbikes",
"timestamp": "2023-01-11T17:29:11",
"content": "I started doing something like this for a friend’s blind dog: a collar attachment with an ultrasound transducer and a pager motor. It turned out to be really difficult. A: the dog and their other ... | 1,760,372,435.082945 | ||
https://hackaday.com/2023/01/11/wizards-slay-the-dragon-that-lays-the-golden-egg/ | Wizards Slay The Dragon That Lays The Golden Egg | Jonathan Bennett | [
"Current Events",
"Games",
"Interest",
"News",
"Original Art",
"Slider"
] | [
"Dungeons and Dragons",
"Open Gaming",
"Wizards of the Coast"
] | Hail, and well met adventurers! There’s rumors of dark dealings, and mysterious machinations from that group of Western mystics, Wizards of the Coast (WotC). If this pernicious plot is allowed to succeed, a wave of darkness will spread over this land of Open Source gaming, the vile legal fog sticking to and tainting ev... | 77 | 23 | [
{
"comment_id": "6572134",
"author": "JD",
"timestamp": "2023-01-11T15:30:24",
"content": "If the brand dies, the game will not. WoTC’s value is as a content creator. The game rules (and hundreds of derivatives thereof) are out in the world, and no one can prevent people from using them. WoTC’s only... | 1,760,372,435.295758 | ||
https://hackaday.com/2023/01/11/variable-width-3d-printing-the-hard-way/ | Variable Width 3D Printing The Hard Way | Al Williams | [
"3d Printer hacks"
] | [
"3d printer",
"multiextrusion"
] | The problem: you want to produce varying line thicknesses when 3D printing. The solution, if you are the Liqtra company,
appears to be to put seven print heads together
and enable one for thin lines, all of them for thick lines, and something in between for everything else. The technical details are scant, but from the... | 22 | 13 | [
{
"comment_id": "6572051",
"author": "NotATikTokFan",
"timestamp": "2023-01-11T12:34:37",
"content": "Why do people like these vertical short videos that don’t allow you to properly control them?!?!?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6572104",
... | 1,760,372,435.35131 | ||
https://hackaday.com/2023/01/11/an-all-billet-single-piece-flexure-based-nutcracker/ | An All-Billet, Single-Piece, Flexure-Based Nutcracker | Lewin Day | [
"home hacks",
"Tool Hacks"
] | [
"17-4ph stainless steel",
"billet",
"kitchen",
"kitchen hacks",
"nutcracker"
] | Typical nutcrackers rely on simple pin hinges to join two handles for the cracking task. However, [adam the machinist] has demonstrated that a single-piece nutcracker is possible
by using the flexural properties of the right grade of steel.
The nutcracker is manufactured out of 17-4 PH stainless steel, heat treated to ... | 22 | 4 | [
{
"comment_id": "6571992",
"author": "Nathan",
"timestamp": "2023-01-11T10:11:20",
"content": "Is it just me, or is anyone else kinda annoyed by the word billet being used to describe parts machiened from stock? Like the word refers to the shape of the stock, not really anything about the material.A... | 1,760,372,435.408228 | ||
https://hackaday.com/2023/01/10/cutting-cables-cures-tangled-cord-chaos/ | CUTTING CABLES CURES TANGLED CORD CHAOS | Anool Mahidharia | [
"Toy Hacks"
] | [
"bluetooth",
"TonieBox",
"Tonies",
"toy"
] | The Toniebox is a toy that plays stories and songs for kids to listen to. Audio content can be changed by placing different NFC enabled characters that magnetically attach to the top of the toy. It can play audio via its built-in speaker or through a wired headphone connected to the 3.5 mm stereo jack. Using the built ... | 11 | 5 | [
{
"comment_id": "6571966",
"author": "Stajp",
"timestamp": "2023-01-11T09:02:50",
"content": "“While this hack registers at the dead simple end of the spectrum, ”Why are you degrading this idea and work?In my book this is more useful hack than most of the ones on Hackaday – this is a real hack which... | 1,760,372,435.455956 | ||
https://hackaday.com/2023/01/10/adventures-in-robotic-safe-cracking/ | Adventures In Robotic Safe Cracking | Chris Wilkinson | [
"lockpicking hacks",
"Robots Hacks"
] | [
"autodialer",
"combination lock",
"Feather",
"lockpicking",
"safe cracking"
] | When [Zach Hipps] was faced with a locked safe and no combination, it seemed like calling a locksmith was the only non-destructive option. Well, that or
doing something crazy like building a safe-opening robot
. Since you’re reading this on Hackaday, we bet you can guess which path he took.
So far, [Zach] has managed t... | 19 | 7 | [
{
"comment_id": "6571834",
"author": "Michael Black",
"timestamp": "2023-01-11T03:57:47",
"content": "The weird thing is that James Bond had a number of robotic safe openers. In”On Her Majesty’s Secret Service” it’s a big thing that has to be hoisted up to the office.But in anotger, maybe You Only L... | 1,760,372,435.93529 | ||
https://hackaday.com/2023/01/10/arduino-powered-info-display-for-your-windows-computer/ | Arduino-Powered Info Display For Your Windows Computer | Chris Wilkinson | [
"Arduino Hacks"
] | [
"16x2",
"16x2 LCD",
"arduino",
"hd44780",
"hitachhd44780",
"smartie"
] | If you’ve been pining for a retro-chic 16×2 LCD display to enhance your Windows computing experience, then [mircemk] has got you covered with their neat
Windows-based LCD Info Panel
.
Your everyday garden variety Arduino is the hero here, sitting between the computer’s USB port and the display to make the magic happen.... | 23 | 10 | [
{
"comment_id": "6571722",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-11T00:28:20",
"content": "So, where does it get attached to a John Deere?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6571733",
"author": "marl",
"time... | 1,760,372,435.879408 | ||
https://hackaday.com/2023/01/10/imhex-an-open-hex-editor-for-the-modern-hacker/ | ImHex: An Open Hex Editor For The Modern Hacker | Tom Nardi | [
"Software Hacks"
] | [
"hex editor",
"reverse engineering",
"software tools"
] | It’s little surprise that most hackers have a favorite text editor, since we tend to spend quite a bit of time staring at the thing. From writing code to reading config files, the hacker’s world is filled with seemingly infinite lines of ASCII. Comparatively, while a hex editor is a critical tool to have in your arsena... | 37 | 19 | [
{
"comment_id": "6571639",
"author": "Dan",
"timestamp": "2023-01-10T21:28:42",
"content": "Wow, this is cool project. I wish I knew about it sooner, it would made a lot of recent projects much easier.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6571643",
... | 1,760,372,435.82194 | ||
https://hackaday.com/2023/01/10/virgin-not-quite-orbit-yet/ | Virgin Not-Quite-Orbit-Yet | Jenny List | [
"News",
"Space"
] | [
"Boeing 747",
"satellite launch",
"Virgin Orbit"
] | A country’s first orbital satellite launch from home soil is a proud moment, even when as is the case with Virgin Orbit, it’s not from the soil itself but from a Boeing 747 in the stratosphere over the sea. The first launch of the under-wing rocket took place yesterday evening, and pretty much every British space enthu... | 27 | 9 | [
{
"comment_id": "6571569",
"author": "RW ver 0.0.3",
"timestamp": "2023-01-10T19:39:58",
"content": "W00t, first steps, don’t forget to watch “Hyperdrive” for a glimpse into the UK’s glowing space future.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "657162... | 1,760,372,435.72945 | ||
https://hackaday.com/2023/01/10/supercon-2022-samy-kamkars-glowing-breath/ | Supercon 2022: Samy Kamkar’s Glowing Breath | Elliot Williams | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"2022 Superconference",
"flex PCB",
"samy kamkar",
"tesla coil",
"vacuum tube"
] | Sometimes the journey itself is the destination. This one started when [Samy] was 10 and his mom bought a computer. He logged on to IRC to talk with people about the X-Files and was
WinNuked
. Because of that experience, modulo a life of hacking and poking and playing, the talk ends with a wearable flex-PCB Tesla coil ... | 6 | 2 | [
{
"comment_id": "6571563",
"author": "Matthew Carlson",
"timestamp": "2023-01-10T19:30:15",
"content": "This was one of my favorite supercon talks",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6571744",
"author": "craig",
"timestamp": "2023-01-11T01:0... | 1,760,372,435.983969 | ||
https://hackaday.com/2023/01/10/roll-on-deodorant-controller-heats-up-racing-game/ | Roll-On Deodorant Controller Heats Up Racing Game | Kristina Panos | [
"classic hacks",
"Games"
] | [
"armadillo racing",
"optical mouse",
"optical mouse sensor",
"roll-on deodorant"
] | What do you get when you combine roll-on deodorant containers and a soccer ball with an optical mouse and an obscure 90s Japanese video game about racing armadillos? Well,
you get a pretty darn cool controller with which to play said game
, we must admit.
We hardly knew they were still making roll-on deodorant, and [To... | 24 | 7 | [
{
"comment_id": "6571459",
"author": "KC",
"timestamp": "2023-01-10T16:47:46",
"content": "I have to say that out of all line items that pop up on my 0800 news feed “ROLL-ON DEODORANT CONTROLLER HEATS UP RACING GAME” was the least expected.I am more surprised that the mouse worked as well as it did ... | 1,760,372,436.043412 | ||
https://hackaday.com/2023/01/10/the-intricacies-of-creating-fuel-for-nuclear-reactors/ | The Intricacies Of Creating Fuel For Nuclear Reactors | Maya Posch | [
"Current Events",
"Original Art",
"Science"
] | [
"nuclear fuel",
"nuclear power",
"reactor",
"uranium"
] | All nuclear fission power reactors run on fuel containing uranium and other isotopes, but fueling a nuclear reactor is a lot more complicated than driving up to them with a dump truck filled with uranium ore and filling ‘er up. Although nuclear fission is simple enough that it can occur without human intervention as ha... | 51 | 10 | [
{
"comment_id": "6571404",
"author": "Greg",
"timestamp": "2023-01-10T15:24:48",
"content": "Please pardon the hijack but as almost every state has several plants it’s madness to keep burying this deadly stuff in NM or where ever-AND making more of it, instead of serious international efforts toward... | 1,760,372,436.173701 | ||
https://hackaday.com/2023/01/10/tetris-joins-minecraft-and-doom-in-running-a-computer/ | TetrisJoinsMinecraftAndDOOMIn Running A Computer | Jenny List | [
"computer hacks",
"Games"
] | [
"in-game computer",
"tetris",
"tetris computer"
] | There is a select group of computer games whose in-game logic is enough for them to simulate computers in themselves. We’ve seen it in
Minecraft
and
DOOM
, and
now there’s a new player in town from a surprising quarter:
Tetris
.
One might wonder how the Russian falling-blocks game could do this, as unlike the previous ... | 6 | 2 | [
{
"comment_id": "6571387",
"author": "anon",
"timestamp": "2023-01-10T14:56:46",
"content": "Might miss understand this but it seems like the interpretation of the results is done outside the game and then fed back into it? If so that feels a bit cheaty. What I liked about the others was the in game... | 1,760,372,436.083197 | ||
https://hackaday.com/2023/01/10/human-powered-strandbeest/ | Human-Powered Strandbeest | Navarre Bartz | [
"Transportation Hacks"
] | [
"bicycle",
"strandbeest"
] | Once you’ve seen a strandbeest, it’s hard to forget the mesmerizing movement of its mechanical limbs. [Adam Savage] built a
pedal-powered strandbeest
in (more than) one day in full view of the public at the San Francisco Exploratorium.
One of the biggest challenges with building strandbeests is the sheer number of part... | 6 | 4 | [
{
"comment_id": "6571209",
"author": "Abbadon",
"timestamp": "2023-01-10T10:01:59",
"content": "How is this news? This video is 6 years old!…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6571266",
"author": "Rpol",
"timestamp": "2023-01-10T... | 1,760,372,436.305592 | ||
https://hackaday.com/2023/01/09/wipe-on-wipe-off-make-your-own-rain-repellent/ | Wipe On, Wipe Off: Make Your Own Rain Repellent | Kristina Panos | [
"chemistry hacks",
"how-to"
] | [
"dimethicone",
"ethanol",
"isopropyl",
"rain-x",
"sulfuric acid"
] | Once upon a time, we drove an old six-volt VW Beetle. One sad day, the wiper motor went out, and as this happened before the Internet heyday, there were no readily-available parts around that we were aware of. After briefly considering rubbing a potato on the windshield as prescribed by the old wives’ tale, we were qui... | 55 | 12 | [
{
"comment_id": "6571086",
"author": "Helping Us Prosper",
"timestamp": "2023-01-10T06:10:40",
"content": "I am so trying this",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6571364",
"author": "Bryce",
"timestamp": "2023-01-10T14:17:14",
... | 1,760,372,436.262684 |
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