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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2023/03/14/cheap-camera-gives-clay-pigeons-eye-view-of-trap-shooting/ | Cheap Camera Gives Clay-Pigeon’s-Eye View Of Trap Shooting | Dan Maloney | [
"Weapons Hacks"
] | [
"clay pigeon",
"drone",
"keychain camera",
"POV",
"shooting",
"shotgun",
"target",
"trap shooting"
] | Speaking from experience, it’s always fun to build something with the specific intention of destroying it. Childhood sessions spending hours building boats from scrap wood only to take them to a nearby creek to bombard them with rocks — we disrespectfully called this game “Pearl Harbor” — confirms this. As does the sli... | 23 | 9 | [
{
"comment_id": "6614807",
"author": "andarb",
"timestamp": "2023-03-14T19:46:53",
"content": "I think it’s fascinating that the camera survived (reasonably?) intact. I guess it would only take one pellet grazing that pigeon to shatter it, the camera could be totally unscathed.It really needed some ... | 1,760,372,368.458931 | ||
https://hackaday.com/2023/03/14/hackaday-berlin-the-badge-workshops-and-lightning-talks/ | Hackaday Berlin: The Badge, Workshops, And Lightning Talks | Elliot Williams | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"Hackaday Berlin",
"Hackaday Berlin 2023"
] | Hackaday Berlin is just under two weeks away, and we’ve got news times three! If you don’t already have tickets, there are still a few left,
so grab them while they’re hot
. We’ll be rolling out the final full schedule soon, but definitely plan on attending a pre-party Friday night the 24th, followed by a solid 14-hour... | 10 | 4 | [
{
"comment_id": "6614774",
"author": "deshipu",
"timestamp": "2023-03-14T17:37:13",
"content": "You need permissionThis form can only be viewed by users in the owner’s organization.Try contacting the owner of the form if you think this is a mistake. Learn More.Looks like the lightning talks form is ... | 1,760,372,368.69308 | ||
https://hackaday.com/2023/03/14/mechanical-keyboard-as-travel-saxophone/ | Mechanical Keyboard As Travel Saxophone | Bryan Cockfield | [
"Musical Hacks",
"Raspberry Pi"
] | [
"mechanical keyboard",
"music",
"portable",
"raspberry pi",
"saxophone",
"sound",
"synthesizer"
] | Those who play larger musical instruments, things like drums, piano, harp, tuba, upright bass, or Zeusaphone, know well the challenges of simply transporting their chosen instrument to band practice, a symphony hall, or local watering hole. Even those playing more manageably-sized instruments may have similar troubles ... | 9 | 4 | [
{
"comment_id": "6614735",
"author": "bibliobone",
"timestamp": "2023-03-14T15:57:35",
"content": "Very cool! If only this worked for the trombone, my instrument. :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6614780",
"author": "benWahWahWah",
... | 1,760,372,368.507468 | ||
https://hackaday.com/2023/03/14/pcie-for-hackers-the-diffpair-prelude/ | PCIe For Hackers: The Diffpair Prelude | Arya Voronova | [
"computer hacks",
"Engineering",
"Featured",
"hardware",
"Original Art",
"Skills",
"Slider"
] | [
"pci express",
"PCI-E",
"PCIe"
] | PCIe, also known as PCI-Express, is a highly powerful interface. So let’s see what it takes to hack on something that powerful. PCIe is be a bit intimidating at first, however it is reasonably simple to start building PCIe stuff, and the interface is quite resilient for hobbyist-level technology. There will come a time... | 35 | 10 | [
{
"comment_id": "6614703",
"author": "Pat",
"timestamp": "2023-03-14T14:20:04",
"content": "“Don’t put the differential pairs through vias to different layers if you can help it – each pair of vias adds some inductance to the signal, which can interfere with the high-speed signals. Usually, the end ... | 1,760,372,368.59172 | ||
https://hackaday.com/2023/03/14/three-way-led-bulb-gives-up-its-secrets/ | Three Way LED Bulb Gives Up Its Secrets | Al Williams | [
"LED Hacks",
"Teardown"
] | [
"led bulb",
"teardown"
] | You’ve probably seen three-way bulbs. You know, the ones that can go dim or bright with each turn of a switch. [Brian Dipert] wondered how
the LED version of these works
, and now that he tore one apart, you can find out, too. The old light bulbs were easy to figure out. They had two filaments, one brighter than the ot... | 18 | 3 | [
{
"comment_id": "6614656",
"author": "HTF",
"timestamp": "2023-03-14T11:17:23",
"content": "I had some CFL lamps and now LED that are used on a regular 2 pole Edison socket that change brightness just by quick On/Off/On action. Every time I do this, it selects one of 3 brightness levels.",
"pare... | 1,760,372,368.392136 | ||
https://hackaday.com/2023/03/14/classic-gaming-with-fpga-and-atx/ | Classic Gaming With FPGA And ATX | Bryan Cockfield | [
"Retrocomputing"
] | [
"atx",
"case",
"gaming",
"mini-itx",
"MiSTER",
"open source",
"pc",
"pcb",
"raspberry pi",
"retro"
] | Playing classic games, whether they are games from the golden age of arcades or simply games from consoles that are long out of production, tends to exist on a spectrum. At one end is grabbing a game’s ROM file, finding an emulator, and kludging together some controls on a keyboard and mouse with your average PC. At th... | 5 | 4 | [
{
"comment_id": "6614673",
"author": "elwing",
"timestamp": "2023-03-14T12:11:03",
"content": "they need atx backplates now!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6614959",
"author": "phuzz",
"timestamp": "2023-03-15T10:02:58",
"content": ... | 1,760,372,368.734773 | ||
https://hackaday.com/2023/03/13/a-hackers-introduction-to-diy-light-guide-plates/ | A Hacker’s Introduction To DIY Light Guide Plates | Sonya Vasquez | [
"Curated",
"Engineering",
"Featured",
"how-to",
"Laser Hacks",
"LED Hacks",
"Skills",
"Slider"
] | [] | Last year, I found myself compelled to make a scaled-down replica of the iconic test chamber signs from the video game
Portal
. If you’ve played the game, you’ll remember these signs as the illuminated monoliths that postmarked the start of every test chamber. In hyperstylized video game fashion, they were also extreme... | 38 | 20 | [
{
"comment_id": "6614334",
"author": "ono",
"timestamp": "2023-03-13T14:13:05",
"content": "Why not just harvest the guts of old LCD monitors, instead ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6614419",
"author": "Daniel",
"timestamp":... | 1,760,372,369.080739 | ||
https://hackaday.com/2023/03/13/breaking-into-the-nintendo-dsi-through-the-browser-window/ | Breaking Into The Nintendo DSi Through The (Browser) Window | Matthew Carlson | [
"Nintendo DS Hacks",
"Security Hacks"
] | [
"exploit",
"nintendo dsi",
"opera",
"webkit"
] | The Nintendo DSi was surpassed by newer and better handhelds many years ago, but that doesn’t stop people like [Nathan Farlow] from attempting to break into the old abandoned house through a rather unexpected place:
the (browser) window
.
When the Nintendo DSi was released in 2008, one of its notable features was a bui... | 9 | 4 | [
{
"comment_id": "6614286",
"author": "sw94",
"timestamp": "2023-03-13T12:06:40",
"content": "This sort of thing is so interesting to me, but I wouldn’t know where to start. Anyone got any good links?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6614311",
... | 1,760,372,368.639575 | ||
https://hackaday.com/2023/03/13/ai-and-savvy-marketing-create-dubious-moon-photos/ | AI And Savvy Marketing Create Dubious Moon Photos | Bryan Cockfield | [
"Artificial Intelligence",
"digital cameras hacks"
] | [
"ai",
"art",
"artificial intelligence",
"camera",
"lens",
"marketing",
"moon",
"photo",
"picture",
"samsung"
] | Taking a high-resolution photo of the moon is a surprisingly difficult task. Not only is a long enough lens required, but the camera typically needs to be mounted on a tracking system of some kind, as the moon moves too fast for the long exposure times needed. That’s why plenty were skeptical of Samsung’s claims that t... | 48 | 11 | [
{
"comment_id": "6614209",
"author": "𐂀 𐂅",
"timestamp": "2023-03-13T08:17:48",
"content": "The lawyers are going to have fun once they realise that a photo made that way has been (accidently?) presented to a court as evidence of something.",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,372,368.819485 | ||
https://hackaday.com/2023/03/12/flipper-zero-mayhem-hat-adds-camera-more-radios/ | Flipper Zero Mayhem Hat Adds Camera, More Radios | Tom Nardi | [
"handhelds hacks",
"Microcontrollers"
] | [
"bluetooth",
"ESP32-CAM",
"flipper",
"flipper zero",
"wifi"
] | For a device advertised as the “Multi-tool Device for Hackers”, the Flipper Zero already offers a considerable list of onboard capabilities. But some hard decisions had to be made to get the retail price down, so features like WiFi and Bluetooth had to be left off. Luckily, there’s an expansion interface along the top ... | 28 | 5 | [
{
"comment_id": "6614202",
"author": "MmmDee",
"timestamp": "2023-03-13T08:02:38",
"content": "Coincidentally, Flipper Zero was in the news this morning due to some import restrictions blocking delivery to Brazil:https://www.bleepingcomputer.com/news/security/brazil-seizing-flipper-zero-shipments-to... | 1,760,372,368.989124 | ||
https://hackaday.com/2023/03/12/efficient-x86_64-emulation-with-box86/ | Efficient X86_64 Emulation With Box86 | Maya Posch | [
"Software Development"
] | [
"box64",
"box86",
"wine"
] | Running applications on a different architecture than the one for which they were compiled is a common occurrence, not in the least with Apple’s architectural migration every decade or so. It’s also commonly used with for example ARM, OpenRISC, and RISC-V systems to run applications that are only available for x86 or x... | 5 | 2 | [
{
"comment_id": "6614085",
"author": "Liam",
"timestamp": "2023-03-13T02:15:22",
"content": "Could either box64 or box86 be used to run a VirtualBox VM on a non-x86 system? So you’d have something like a raspberry pi (ARM) running a VM, the guest OS (Linux or Windows) would then think itself to be o... | 1,760,372,369.154492 | ||
https://hackaday.com/2023/03/12/hackaday-links-march-12-2023/ | Hackaday Links: March 12, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"am radio",
"asteroid",
"drm",
"felony",
"hackaday links",
"hewlett packard",
"HP",
"infotainment",
"ink",
"laser",
"mustang",
"paywall",
"printer",
"ring",
"sdr",
"statute",
"Torino"
] | With a long history of nearly universal hate for their products, you’d think printer manufacturers would by now have found ways to back off from the policies that only seem to keep aggravating customers. But rather than make it a financially wiser decision to throw out a printer and buy a new one than to buy new ink ca... | 38 | 12 | [
{
"comment_id": "6614024",
"author": "Eric",
"timestamp": "2023-03-12T23:05:54",
"content": "“proposed legislation to make it a felony to flash a plane or helicopter”So I can’t take flash photography of a passing plane or drop my pants and expose myself? Sure hope the legal wording is better than th... | 1,760,372,369.514069 | ||
https://hackaday.com/2023/03/12/a-parts-bin-cyberdeck-built-for-satellite-hacking/ | A Parts Bin Cyberdeck Built For Satellite Hacking | Tom Nardi | [
"Cyberdecks",
"Radio Hacks"
] | [
"all-in-one computer",
"rf filter",
"RTL-SDR",
"weather satellite"
] | While there’s little in the way of hard rules dictating what constitutes a cyberdeck, one popular opinion is that it should be a piecemeal affair — a custom rig built up of whatever high-tech detritus the intrepid hacker can get their hands on, whether it be through trades or the time-honored tradition of dumpster divi... | 10 | 5 | [
{
"comment_id": "6614003",
"author": "craig",
"timestamp": "2023-03-12T22:12:36",
"content": "1. Where’s the hack?2. Could use a 5553. I got nothin’ this is supremely rad",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6614072",
"author": "Jeremy",
... | 1,760,372,369.416532 | ||
https://hackaday.com/2023/03/12/building-the-sanni-cartridge-reader-to-back-up-and-restore-games-and-saves/ | Building The Sanni Cartridge Reader To Back Up And Restore Games And Saves | Maya Posch | [
"how-to",
"Retrocomputing"
] | [
"backups",
"video game cartridge"
] | Game cartridges are generally seen as a read-only medium with the contents as immutable as text chiseled into a granite slab, and with accompanying save files on the cartridge surviving for generations. The unfortunate truth is that as with any media storage, cartridges can and do fail, and save files are often just et... | 6 | 6 | [
{
"comment_id": "6613970",
"author": "thelackey3326",
"timestamp": "2023-03-12T20:30:18",
"content": "I don’t need one. I have no use for one. But I want one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6613981",
"author": "Joshua",
"timestamp": "20... | 1,760,372,369.672947 | ||
https://hackaday.com/2023/03/12/large-e-paper-slow-movie-player-offers-great-docs/ | Large E-Paper Slow Movie Player Offers Great Docs | Tom Nardi | [
"Art",
"Microcontrollers"
] | [
"e-ink",
"e-paper",
"slow movie player"
] | Over the last couple of years we’ve seen several iterations of the “slow movie player” concept, where a film is broken up into individual frames which are displayed on an e-paper display for a few minutes at a time. This turns your favorite movie into a constantly changing piece of long-term art. Unfortunately, due to ... | 9 | 3 | [
{
"comment_id": "6613863",
"author": "SayWhat?",
"timestamp": "2023-03-12T14:48:40",
"content": "What am I missing? Why a gray scale e-paper display when the device is mains powered to run the Pi? Why not a larger, higher resolution 4K LCD that’s more visible, in grey scale, if that’s your artisti... | 1,760,372,369.564145 | ||
https://hackaday.com/2023/03/12/immersive-virtual-reality-from-the-humble-webcam/ | Immersive Virtual Reality From The Humble Webcam | Joseph Long | [
"Virtual Reality"
] | [
"computer vision",
"virtual reality",
"webcam motion detector"
] | [Russ Maschmeyer] and Spatial Commerce Projects developed
WonkaVision
to demonstrate how 3D eye tracking from a single webcam can support rendering a graphical virtual reality (VR) display with realistic depth and space. Spatial Commerce Projects is a Shopify lab working to provide concepts, prototypes, and tools to ex... | 12 | 5 | [
{
"comment_id": "6613806",
"author": "Shen",
"timestamp": "2023-03-12T12:11:27",
"content": "Most of the positive discussion about these kinds of projects don’t know about, or don’t mention the following:>You need to close one eye to go from “fun effect” to “stunning optical illusion.”",
"parent... | 1,760,372,369.354959 | ||
https://hackaday.com/2023/03/12/hack-your-heathkit-to-trace-mosfet-curves/ | Hack Your Heathkit To Trace MOSFET Curves | Chris Lott | [
"Tool Hacks"
] | [
"curve tracer",
"Heatkit"
] | [TRX Lab] has an old Heathkit model IT-1121 curve tracer, and wants to modify it so he can
plot the I-V curves of MOSFETs
. For the uninitiated, curve tracers are used to determine the precise characteristics of components by measuring the output for a set of specific inputs – either voltage or current depending on the... | 2 | 1 | [
{
"comment_id": "6614101",
"author": "David",
"timestamp": "2023-03-13T03:04:37",
"content": "https://www.peakelec.co.uk/acatalog/dca75-dca-pro-semiconductor-analyser.html",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6614136",
"author": "NFM",
... | 1,760,372,369.712109 | ||
https://hackaday.com/2023/03/11/this-open-hardware-li-ion-charger-skips-the-tp4056/ | This Open Hardware Li-Ion Charger Skips The TP4056 | Tom Nardi | [
"Battery Hacks",
"Parts"
] | [
"battery charger",
"Li-ion",
"LiFePO4",
"Lithium-ion battery",
"TP4056"
] | There’s a good chance that if you build something which includes the ability to top up a lithium-ion battery, it’s going to involve the incredibly common TP4056 charger IC. Now, there’s certainly nothing wrong with that. It’s a decent enough chip, and there are countless pre-made modules out there that make it extremel... | 21 | 6 | [
{
"comment_id": "6613716",
"author": "LordNothing",
"timestamp": "2023-03-12T06:55:28",
"content": "i always wanted a single board battery solution for my projects. i meant you can get chargers, switchmode supplies, bms circuits and both bare and protected batteries. but they seldom have the level o... | 1,760,372,369.629121 | ||
https://hackaday.com/2023/03/11/electronic-bandage-speeds-wound-healing/ | Electronic Bandage Speeds Wound Healing | Navarre Bartz | [
"Medical Hacks"
] | [
"bandage",
"e-bandage",
"electrode",
"electrotherapy",
"regenerative medicine"
] | We’re a long way from the dermal regenerators in
Star Trek
, but researchers at Northwestern University have made a leap forward in the convenient use of
electrotherapy for wound healing
.
Using a ring and center “flower” electrode, this bioresorbable molybdenum device restores the natural bioelectric field across a wo... | 20 | 9 | [
{
"comment_id": "6613647",
"author": "Shannon",
"timestamp": "2023-03-12T03:45:12",
"content": "I’m very much a natural sceptic, but “restores the natural bioelectric field across a wound” sounds like “woowoo quantum crystals” to me. Assuming electrotherapy does work I’m sure there is a less nebulou... | 1,760,372,369.772144 | ||
https://hackaday.com/2023/03/11/quick-and-dirty-microscope-motion-control-for-focus-stacking/ | Quick And Dirty Microscope Motion Control For Focus Stacking | Dan Maloney | [
"Misc Hacks"
] | [
"28BYJ-48",
"arduino",
"dslr",
"focus stacking",
"microscopy",
"motion control",
"uln2003",
"ws2812"
] | If you’ve spent much time looking through a microscope, you know that their narrow depth of field can be a bit challenging to deal with. Most microscopes are designed to only have a very thin slice of the specimen in focus, so looking at anything above or below that plane requires a focus adjustment. It’s tedious and f... | 4 | 3 | [
{
"comment_id": "6613728",
"author": "tsweller",
"timestamp": "2023-03-12T07:34:50",
"content": "And the time for your 100 photos is 450 seconds?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6613772",
"author": "recook",
"timestamp": "2023-03-12T10:... | 1,760,372,369.811815 | ||
https://hackaday.com/2023/03/11/a-retro-style-trainer-for-motorolas-1-bit-chip/ | A Retro-Style Trainer For Motorola’s 1-Bit Chip | Tom Nardi | [
"classic hacks",
"Retrocomputing"
] | [
"industrial controller",
"motorola",
"oshw",
"trainer"
] | If you want to program a microcontroller today, you pop open your editor of choice, bang out some code, and flash it over USB. But back in ancient times, when your editor was a piece of paper and you didn’t even have a computer of your own, things were a bit different. In that case, you might have reached for a “traine... | 6 | 4 | [
{
"comment_id": "6613686",
"author": "Isaac",
"timestamp": "2023-03-12T05:32:25",
"content": "The MC14500 had an interesting “feature” that no matter which branch the code took, the execution time for a loop was constant — this was accomplished by reading but not executing the code for the non-activ... | 1,760,372,369.864246 | ||
https://hackaday.com/2023/03/11/enzymes-make-electricity-from-thin-air/ | Enzymes Make Electricity From Thin Air | Al Williams | [
"News",
"Science"
] | [
"bioelectrical",
"enzyme"
] | There’s an old magic trick known as the miser’s dream, where the magician appears to pull coins from thin air. Australian scientists say they can now generate electricity out of thin air
with the help of some enzymes
. The enzyme reacts to hydrogen in the atmosphere to generate a current.
They learned the trick from ba... | 17 | 7 | [
{
"comment_id": "6613499",
"author": "John Q. Public",
"timestamp": "2023-03-11T20:22:47",
"content": "It’s a matter of scale. We may not be able to scale this up now, but who knows what the future holds?The possibilities….",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,372,369.9585 | ||
https://hackaday.com/2023/03/11/computers-for-fun/ | Computers For Fun | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"lisp",
"microcomputer",
"newsletter",
"operating system"
] | The last couple years have seen an incredible flourishing of
the cyberdeck scene
, and probably for about as many reasons as there are individual ’deck designs. Some people get really into the prop-making, some into scrapping old tech or reusing a particularly appealing case, and others simply into the customization po... | 9 | 5 | [
{
"comment_id": "6613394",
"author": "Andreas Eriksen",
"timestamp": "2023-03-11T16:00:37",
"content": "Hi Elliot! I’m happy you found my project interesting.I have planned to do a “Philosophy of the project” writeup at some point, but you’ve given me a head start here – You are spot on about some o... | 1,760,372,370.193416 | ||
https://hackaday.com/2023/03/11/a-fancy-connected-caliper-for-not-a-lot/ | A Fancy Connected Caliper For Not A Lot | Jenny List | [
"Tool Hacks"
] | [
"bluetooth",
"caliper",
"esp32-C3"
] | An essential for the engineer is a decent caliper, to measure dimensions with reasonable accuracy. Some of us have old-fashioned Vernier scales, while many up-to-date versions are electronic. When entering large numbers of dimensions into a CAD package matters can become a little tedious, so the fancier versions have c... | 18 | 4 | [
{
"comment_id": "6613320",
"author": "macsimski",
"timestamp": "2023-03-11T13:26:27",
"content": "It took some time for ke to spot the calipers…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6613367",
"author": "SgLlama",
"timestamp": "2023-03-11T15:1... | 1,760,372,370.321808 | ||
https://hackaday.com/2023/03/11/a-love-letter-to-the-sphere-computer/ | A Love Letter To The Sphere Computer | Al Williams | [
"Retrocomputing"
] | [
"6800",
"retrocomputing",
"sphere 1"
] | [Ben Z] loves the Sphere computer, a very early entry in the personal computer boom of the mid 1970s. The 6800 CPU was unique in its day that it was a full system — at least in theory. If you could afford the whole system, you got a nice case with a keyboard and a memory-mapped display board. You can see
a great video ... | 21 | 11 | [
{
"comment_id": "6613239",
"author": "Dr. Cockroach",
"timestamp": "2023-03-11T09:59:46",
"content": "I just came across the videos the other day and until then I had not known about the Sphere system. I cut my teeth on the IMSAI-8080 back in the 70’s and would have liked to have had a chance to wor... | 1,760,372,370.269981 | ||
https://hackaday.com/2023/03/10/27-litres-and-12-cylinders-with-a-practical-station-wagon-body/ | 27 Litres And 12 Cylinders, With A Practical Station Wagon Body | Jenny List | [
"Transportation Hacks"
] | [
"custom car",
"Merlin",
"rolls-royce"
] | If you were to name one of the most famous individual road cars in the world, what would it be? If you’re British and of a Certain Age, then it’s possible your nomination is for sale, because “The Beast”, the one-off creation of [John Dodd] using a 27-litre Rolls-Royce Merlin aero engine, is up for auction. The Late Br... | 39 | 10 | [
{
"comment_id": "6613159",
"author": "irox",
"timestamp": "2023-03-11T06:59:44",
"content": "Top Gear 1998 coverage of The Beast:https://www.youtube.com/watch?v=aJQ9m3BQjOk",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6613236",
"author": "Rumble_in... | 1,760,372,370.49849 | ||
https://hackaday.com/2023/03/10/usb-protocol-explained/ | The USB Protocol, Explained | Al Williams | [
"Microcontrollers"
] | [
"interfacing",
"usb",
"USB interface"
] | If you can explain what a USB PID, a J state, a K state, and an SOF are, you can probably stop reading now. But if you don’t know or you want a refresher, you can spend 15 minutes watching [Sine Lab’s]
straightforward explanation of the USB protocol details
. You can find the video below.
The motivation for this is he ... | 8 | 5 | [
{
"comment_id": "6613122",
"author": "Ostracus",
"timestamp": "2023-03-11T05:27:56",
"content": "Next up tackle the Bluetooth stack.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6613192",
"author": "b",
"timestamp": "2023-03-11T08:16:46",
... | 1,760,372,370.551415 | ||
https://hackaday.com/2023/03/10/low-power-wi-fi-includes-e-paper-display/ | Low-Power Wi-Fi Includes E-Paper Display | Bryan Cockfield | [
"Microcontrollers"
] | [
"battery",
"bluetooth",
"e-ink",
"e-paper",
"ESP32",
"esp32c3",
"low power",
"microcontroller",
"sensor",
"wifi"
] | Designing devices that can operate in remote environments on battery power is often challenging, especially if the devices need to last a long time between charges or battery swaps. Thankfully there are some things available that make these tasks a little easier, such as e-ink or e-paper displays which only use power w... | 6 | 4 | [
{
"comment_id": "6612989",
"author": "Drone",
"timestamp": "2023-03-11T00:48:28",
"content": "“It also uses the ESP32C3 microcontroller as a platform which is well-known for its low power capabilities, and additionally has an on-board temperature and humidity sensor.”The ESP32-C3 does not have the a... | 1,760,372,370.592338 | ||
https://hackaday.com/2023/03/10/more-drill-press-mods-adding-a-vfd-means-no-more-belt-changes/ | More Drill Press Mods: Adding A VFD Means No More Belt Changes | Dan Maloney | [
"Tool Hacks"
] | [
"drill press",
"harbor freight",
"Machine tool",
"rgb",
"tachometer",
"tool mods",
"variable frequency drive",
"vfd"
] | A decent drill press is an essential machine tool for almost any kind of shop, and marks a significant step up in precision compared to a hand drill. The ability to drill square, true holes is one thing, but the added power over what’s possible with a portable tool is the real game changer. If only you didn’t have to s... | 29 | 8 | [
{
"comment_id": "6612895",
"author": "IIVQ",
"timestamp": "2023-03-10T21:47:47",
"content": "Why would you add a vacuum fluorescent display to a drill press? VFD’s are not known for dealing well to vibratio… Ohhh, the other VFD!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,370.661578 | ||
https://hackaday.com/2023/03/10/making-dry-ice-at-home-is-just-as-hard-as-it-sounds/ | Making Dry Ice At Home Is Just As Hard As It Sounds | Maya Posch | [
"Science"
] | [
"dry ice"
] | Along the road to developing his own cryocooler to produce liquid nitrogen, there are a number of interesting rabbit holes [Hyperspace Pirate] has found himself taking a look at. For example, using dry ice for a pre-cooling stage and subsequently wondering what it’d take to
make this dry ice oneself
.
Getting the CO
2
... | 25 | 11 | [
{
"comment_id": "6612862",
"author": "CRJEEA",
"timestamp": "2023-03-10T20:45:05",
"content": "The easy way, attach a pillow case to a CO² fire extinguisher cone. [ As per the warning label, don’t hold the cone, unless you want freezer burn. ] Dump the contents into the pillow case. The rapid expans... | 1,760,372,370.727996 | ||
https://hackaday.com/2023/03/10/retrotechtacular-the-revolutionary-visual-effects-of-king-kong/ | Retrotechtacular: The Revolutionary Visual Effects OfKing Kong | Tom Nardi | [
"Featured",
"History",
"Slider"
] | [
"film",
"movies",
"special effects",
"visual effect"
] | Today, it’s easy to take realistic visual effects in film and TV for granted. Computer-generated imagery (CGI) has all but done away with the traditional camera tricks and miniatures used in decades past, and has become so commonplace in modern productions that there’s a good chance you’ve watched scenes without even r... | 13 | 7 | [
{
"comment_id": "6612802",
"author": "Hirudinea",
"timestamp": "2023-03-10T18:48:23",
"content": "“I REMEMBER WHEN AL JOLSON RAN AMOK AT THE WINTER GARDEN AND CLIMBED THE CHRYSLER BUILDING. AFTER THAT, HE COULDN’T GET ARRESTED IN THIS TOWN.”OK now that the obligatory Simpsons quote is out of the way... | 1,760,372,370.784741 | ||
https://hackaday.com/2023/03/10/hackaday-podcast-209-hdmi-tempest-norm-upscaled-seeing-electrons-and-when-the-radios-go-silent/ | Hackaday Podcast 209: HDMI Tempest, Norm Upscaled, Seeing Electrons, And When The Radios Go Silent | Dan Maloney | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | It was one of those weeks, where Elliot and Dan found a bounty of interesting hacks to choose from for the podcast, making it hard to pick. But pick we did, and we found so many deep and important questions. What good is a leaky HDMI cable? Good for falling down a TEMPEST-like rabbit hole, that’s what. Why would you us... | 0 | 0 | [] | 1,760,372,370.823012 | ||
https://hackaday.com/2023/03/10/that-cheap-usb-charger-could-be-costly/ | That Cheap USB Charger Could Be Costly | Al Williams | [
"Teardown"
] | [
"battery",
"phone charger",
"reverse polarity",
"teardown"
] | [Big Clive] picked up a keychain battery to charge his phone and found out that it was no bargain. Due to a wiring mistake, the unit
was wired backward
, delivering -5 V instead of 5 V. The good news is that it gave him an excuse to tear the thing open and see what was inside. You can see the video of the teardown belo... | 31 | 7 | [
{
"comment_id": "6612759",
"author": "Thinkerer",
"timestamp": "2023-03-10T16:45:50",
"content": "Somewhere in my parts bin is a Sony wall wart that has a reversed polarity digram molded into it. There was a bit of speculation at the time that they were trying to sell their own replacements since t... | 1,760,372,370.888337 | ||
https://hackaday.com/2023/03/10/hacker-hotel-2023-had-a-very-cool-badge/ | Hacker Hotel 2023 Had A Very Cool Badge | Jenny List | [
"cons",
"Hackaday Columns"
] | [
"badge",
"badgelife",
"Hacker Hotel"
] | One effect of the global pandemic was that there were relatively few events in our sphere for a couple of years. This and that other by-product of COVID-19, the chip shortage, meant that over the past year we’ve been treated to several event badges that should have appeared in 2020 or 2021, but didn’t due to those canc... | 8 | 3 | [
{
"comment_id": "6612871",
"author": "Justin",
"timestamp": "2023-03-10T20:58:50",
"content": "I’ve been making boards for decades, and I think this has to be the most beautiful board I’ve seen. Brings a new meaning when I refer to my boards’ artwork.",
"parent_id": null,
"depth": 1,
"r... | 1,760,372,371.072466 | ||
https://hackaday.com/2023/03/08/stepper-killer-killer-killed-repair-attempted/ | Stepper Killer Killer Killed, Repair Attempted | Chris Lott | [
"Tool Hacks"
] | [
"electronic leadscrew",
"lathe",
"leadscrew",
"servo motor",
"stepper motor"
] | The low-cost servo motor in [Clough42]’s lathe’s electronic leadscrew bit the dust recently,
and he did a great job documenting his repair attempts
( see video below the break ). When starting the project a few years ago, he studied a variety of candidate motors, including a ClearPath servo motor from Teknic’s “Stepper... | 12 | 5 | [
{
"comment_id": "6611705",
"author": "m1ke",
"timestamp": "2023-03-09T02:49:05",
"content": "(Didn’t watch the video) So the first motor was a cheap purchase, and now the replacement is a cheap purchase. If the quality motor was even twice the price of the original cheap one you’d still be ahead of ... | 1,760,372,371.201107 | ||
https://hackaday.com/2023/03/08/scratch-built-amiga-2000-stacks-up-the-mods/ | Scratch Built Amiga 2000 Stacks Up The Mods | Tom Nardi | [
"Retrocomputing"
] | [
"3D printed parts",
"amiga 2000",
"Drygol",
"recreation"
] | Around these parts, we most often associate [Drygol] with his incredible ability to bring damaged or even destroyed vintage computers back to life with a seemingly endless bag of repair and restoration techniques. But this time around, at the request of fellow retro aficionado [MrTrinsic], he was given a special assign... | 8 | 4 | [
{
"comment_id": "6611481",
"author": "CityZen",
"timestamp": "2023-03-08T21:06:50",
"content": "Important detail: not an original A2000 case, but a low-profile HTPC case.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6611658",
"author": "SayWhat?",
... | 1,760,372,371.124865 | ||
https://hackaday.com/2023/03/08/pi-picos-give-casio-fx9000p-its-memory-back/ | Pi Picos Give Casio FX9000P Its Memory Back | Al Williams | [
"Raspberry Pi",
"Repair Hacks",
"Retrocomputing"
] | [
"Casio FX9000P",
"retrocomputing"
] | Is the Casio FX9000P a calculator or a computer? It’s hard to tell since Casio did make calculators that would run BASIC.
[Menadue] didn’t know either
, but since it had a CRT, a Z80, and memory modules, we think computer is a better moniker.
He found one of these, but as you might expect, it needed a bit of work. Ther... | 12 | 3 | [
{
"comment_id": "6611476",
"author": "Snow",
"timestamp": "2023-03-08T20:58:19",
"content": "making the picos emulate ram sure is a pretty neat hack but isn’t it a bit ironic to use 3 picos to run a machine that’s basically less powerful than a single pico? i mean would it no be simpler to just adap... | 1,760,372,371.406506 | ||
https://hackaday.com/2023/03/08/supercon-2022-alec-vercruysse-can-see-through-murky-water/ | Supercon 2022: Alec Vercruysse Can See Through Murky Water | Maya Posch | [
"cons",
"Hackaday Columns",
"Science"
] | [
"2022 Hackaday Supercon",
"sonar",
"ultrasonic phased array"
] | Detecting objects underwater isn’t an easy challenge, especially when things get murky and dark. Radio waves don’t propagate well, so most techniques rely on sound. Sonar is itself farily simple, simply send out a ping and listen for an echo, and that will tell you how far something is. Imaging underwater is significan... | 4 | 4 | [
{
"comment_id": "6611329",
"author": "irox",
"timestamp": "2023-03-08T18:35:55",
"content": "Awesome project! I’ve been hoping to see something like this. Actually, I wish something similar was available in kit form for proto-typing and playing around with.",
"parent_id": null,
"depth": 1,... | 1,760,372,371.447421 | ||
https://hackaday.com/2023/03/08/how-to-make-a-larger-air-cored-inductor/ | How To Make A Larger Air-Cored Inductor | Jenny List | [
"home entertainment hacks",
"Parts"
] | [
"audio",
"crossover",
"inductor",
"loudspeaker"
] | Radio amateurs often have a love-hate relationship with home-made inductors, sharing all kinds of tips and tricks as to how the most stable nanohenry inductor can be wound. But there’s another group in the world of electronics with an interest in high-quality inductors, namely the audio enthusiasts. They need good qual... | 20 | 8 | [
{
"comment_id": "6611294",
"author": "PWalsh",
"timestamp": "2023-03-08T17:31:24",
"content": "I did a deep dive into making coils for one of my projects.The typical coil formula (the one you find on Wikipedia) only works to audio frequencies, it tops out at about 100 KHz. Above this, a handful of c... | 1,760,372,371.809072 | ||
https://hackaday.com/2023/03/08/will-a-i-steal-all-the-code-and-take-all-the-jobs/ | Will A.I. Steal All The Code And Take All The Jobs? | Joseph Long | [
"Artificial Intelligence",
"Current Events",
"Featured",
"Interest",
"Original Art"
] | [
"artifical intelligence",
"copyright",
"GitHub Copilot",
"intellectual property"
] | New technology often brings with it a bit of controversy. When considering stem cell therapies, self-driving cars, genetically modified organisms, or nuclear power plants, fears and concerns come to mind as much as, if not more than, excitement and hope for a brighter tomorrow. New technologies force us to evolve persp... | 59 | 26 | [
{
"comment_id": "6611219",
"author": "Foldi-One",
"timestamp": "2023-03-08T15:25:40",
"content": "I wonder how many folks will still be annoyed if every program written with AI aid, so likely trained only on stuff under various open licenses, is always automatically copy-left licensed itself. You do... | 1,760,372,371.551604 | ||
https://hackaday.com/2023/03/08/stranded-motorist-effects-own-rescue-using-a-drone-and-a-cell-phone/ | Stranded Motorist Effects Own Rescue Using A Drone And A Cell Phone | Dan Maloney | [
"drone hacks",
"News"
] | [
"drone",
"Oregon",
"quadcopter",
"rescue",
"sear and rescue",
"sms",
"text message"
] | If you’re looking for a good excuse to finally buy a drone, you probably can’t do better than
claiming it can save your life
.
Granted, you may never find yourself in the position of being stuck in a raging snowstorm in the middle of the Oregon wilderness, but if you do, this is a good one to keep in mind. According to... | 79 | 30 | [
{
"comment_id": "6611133",
"author": "Jonathan Bennett",
"timestamp": "2023-03-08T12:11:56",
"content": "Brilliant! I’ve heard of trying to sling a phone up into the air to try to achieve this. The drone is a nice touch.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,372,371.752543 | ||
https://hackaday.com/2023/03/09/new-raspberry-pi-camera-with-global-shutter/ | New Raspberry Pi Camera With Global Shutter | Elliot Williams | [
"Hackaday Columns",
"Raspberry Pi",
"Reviews"
] | [
"camera",
"global shutter",
"machine vision",
"Raspberry pi camera"
] | Raspberry Pi has just introduced a new camera module
in the high-quality camera format. For the same $50 price you would shell out for the HQ camera, you get roughly eight times fewer pixels. But this is a
global shutter
camera, and if you need a global shutter, there’s just no substitute. That’s a big deal for the Ras... | 37 | 7 | [
{
"comment_id": "6612155",
"author": "Chris",
"timestamp": "2023-03-09T18:45:52",
"content": "Oh man,I have done some low level camera stuff and work and academically.Those broken out pins are related to configuring the camera sensor. Specifically, the I2C lines are for configuring the registers of ... | 1,760,372,371.945187 | ||
https://hackaday.com/2023/03/09/how-simple-can-a-wind-generator-get/ | How Simple Can A Wind Generator Get? | Jenny List | [
"green hacks"
] | [
"CD ROM drive",
"Robert Murray-Smith",
"turbine",
"Wind turbine"
] | As the world has moved towards sustainable energy sources over the last few years, it’s increasingly common to be close to a wind turbine. The huge turbines visible on the horizon from where this is being written are the upper end of the scale though, and along comes [Robert Murray-Smith] with the opposite,
probably th... | 12 | 6 | [
{
"comment_id": "6612077",
"author": "Justin",
"timestamp": "2023-03-09T16:55:14",
"content": "Really useful info. Please send us some more on wind power.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6612180",
"author": "RunnerPack",
"timestamp": "20... | 1,760,372,371.858222 | ||
https://hackaday.com/2023/03/09/the-first-gui-volscan-controls-the-air/ | The First Gui? Volscan Controls The Air | Al Williams | [
"Featured",
"History",
"Interest",
"Original Art",
"Slider"
] | [
"light gun",
"Light Pen",
"retrocomputing"
] | In the 1950s, computers were, for the most part, ponderous machines. But one machine offered a glimpse of the future. The Volscan was probably the first real air traffic computer designed to handle high volumes of military aircraft operations. It used a light gun that looked more like a soldering gun than a computer i... | 10 | 4 | [
{
"comment_id": "6612099",
"author": "smellsofbikes",
"timestamp": "2023-03-09T17:31:52",
"content": "There’s some more detail on the system here:https://www.tc.faa.gov/its/worldpac/techrpt/TDR%20330.pdfThis is from an evaluation done on the system in 1954. It has a lot of operational data but very... | 1,760,372,372.005789 | ||
https://hackaday.com/2023/03/09/bunnie-peeks-inside-ics-with-ir/ | [Bunnie] Peeks Inside ICs With IR | Al Williams | [
"digital cameras hacks",
"Tool Hacks"
] | [
"decapsulation",
"reverse engineering"
] | If you want to see inside an integrated circuit (IC), you generally have to take the die out of the package, which can be technically challenging and often destroys the device. Looking to improve the situation, [Bunnie] has been working on
Infra-Red,
In Situ
(IRIS)
inspection of silicon devices. The technique relies on... | 20 | 8 | [
{
"comment_id": "6611965",
"author": "Ralph Doncaster (Nerd Ralph)",
"timestamp": "2023-03-09T12:29:21",
"content": "This would be great for detecting fake chips. Package it together to make it portable, and bring it on your shopping trips at the SEG.",
"parent_id": null,
"depth": 1,
"r... | 1,760,372,372.06371 | ||
https://hackaday.com/2023/03/09/rv-bridge-takes-homekit-to-the-open-road/ | RV-Bridge Takes HomeKit To The Open Road | Arya Voronova | [
"Microcontrollers",
"Transportation Hacks"
] | [
"camper",
"canbus",
"rv",
"rv-c"
] | In the world of proprietary protocol darkness, it’s comforting to see that the RV realm (Recreational Vehicle, also known as a motorhome) has mostly settled on RV-C, an open protocol that lets various devices and systems inside an RV talk to each other over CAN. The undeniable openness of RV-C is surprising, but we hav... | 20 | 6 | [
{
"comment_id": "6611933",
"author": "rndsort",
"timestamp": "2023-03-09T11:19:33",
"content": "I assume the reason not many RV-C projects exist is because RVs are bloody expensive. Especially newer ones that would have such amenities. Think about the Venn diagram of hardware hackers, people who are... | 1,760,372,372.124914 | ||
https://hackaday.com/2023/03/08/old-tv-to-rgb/ | Old TV To RGB | Jenny List | [
"classic hacks",
"Video Hacks"
] | [
"crt",
"rgb",
"tv"
] | As CRT televisions have faded from use, it’s become important for retro gaming enthusiasts to get their hands on one for that authentic experience. Alongside that phenomenon has been a resurgence of some of the hacks we used to do to CRT TV sets back in the day, as [Adrian’s Digital Basement] shows us
when he adds an R... | 19 | 8 | [
{
"comment_id": "6611807",
"author": "James",
"timestamp": "2023-03-09T06:33:38",
"content": "The GBS-8200 with the GBS-Control does a pretty good job for us without hackable TV’s. Neat hack though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6611842",
... | 1,760,372,372.197486 | ||
https://hackaday.com/2023/03/08/bode-plot-un-lecture/ | Bode Plot Un-Lecture | Al Williams | [
"Misc Hacks"
] | [
"Bode plots",
"math"
] | [Rolinychupetin] insists that his
recent video
is not a lecture but actually a “recitation” about Bode plots. That may be, but it is still worth a watch if you want to learn more about the topic. You can see the video below.
If you haven’t run into Bode plots before, they are simple plots of magnitude or phase vs. freq... | 4 | 3 | [
{
"comment_id": "6611841",
"author": "Chris Maple",
"timestamp": "2023-03-09T07:55:02",
"content": "This “45 degrees per decade” is just wrong. Phase is not ‘degrees per decade’, it’s just degrees.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6611850",
... | 1,760,372,372.301585 | ||
https://hackaday.com/2023/03/10/cornell-updates-their-mcu-course-for-the-rp2040/ | Cornell Updates Their MCU Course For The RP2040 | Chris Lott | [
"Microcontrollers"
] | [
"bruce land",
"Cornell University",
"ece4760",
"hunter adams",
"lecture",
"microcontrollers",
"rp2040"
] | The School of Electrical and Computer Engineering at Cornell University has made [Bruce Land]’s lectures and materials for the
Designing with Microcontrollers
(ECE 4760) course available for many years. But recently [Bruce], who semi-retired in 2020, and the new lecturer [Hunter Adams] have reworked the course and labs... | 16 | 5 | [
{
"comment_id": "6612695",
"author": "Kathy Giori",
"timestamp": "2023-03-10T14:26:53",
"content": "Aha! Now students in the class (or viewing the materials) could also program the RP2040 with the most user-friendly IDE available for microcontrollers — MicroBlocks! It lets users focus on the physica... | 1,760,372,373.077193 | ||
https://hackaday.com/2023/03/10/a-tape-loop-echo-you-can-build/ | A Tape Loop Echo You Can Build | Jenny List | [
"Musical Hacks"
] | [
"audio",
"cassette tape",
"tape loop"
] | Echo and reverb are now electronic audio effects done in a computer or an integrated circuit, but originally they were achieved through mechanical means. Reverb units used springs, and echo units used loops of magnetic tape. As a musician hankering after a mechanical tape echo unit, [Adam Paul] was left with no choice ... | 18 | 6 | [
{
"comment_id": "6612575",
"author": "Zapro",
"timestamp": "2023-03-10T09:42:02",
"content": "Both spindles doesn’t turn? Noooooo",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6612580",
"author": "daveboltman",
"timestamp": "2023-03-10T09:57... | 1,760,372,372.523005 | ||
https://hackaday.com/2023/03/09/videos-teach-bare-metal-rp2040/ | Videos Teach Bare Metal RP2040 | Al Williams | [
"Microcontrollers",
"Software Development"
] | [
"assembler",
"assembly",
"pico"
] | When we write about retrocomputers, we realize that back in the day, people knew all the details of their computer. You had to, really, if you wanted to get anything done. These days, we more often pick peripherals and just assume our C or other high level code will fit and run on the CPU.
But sometimes you need to get... | 31 | 5 | [
{
"comment_id": "6612523",
"author": "Marvin",
"timestamp": "2023-03-10T07:45:32",
"content": "Mayby I’m too old, but I think youtube is not the right tool for this kind of tutorial…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6612537",
"author": ... | 1,760,372,374.847061 | ||
https://hackaday.com/2023/03/09/physics-controlled-component-auto-placer/ | Physics-Controlled Component Auto-Placer | Chris Lott | [
"PCB Hacks"
] | [
"auto placement",
"force-directed algorithms",
"KiCAD",
"parts placement",
"placement"
] | [Jarrett] recently stumbled upon a class of drawing algorithms called force-directed graphs, which artificially apply forces to the elements. The final graph is then generated by applying the laws of physics and letting the system reach equilibrium. This can often result in a pleasing presentation of things like mind m... | 9 | 3 | [
{
"comment_id": "6612445",
"author": "DerAxeman",
"timestamp": "2023-03-10T03:52:27",
"content": "I had an idea for something just like this about a decade ago. It would be great for auto placement of parts for pcb layout. Unfortunately i didn’t have an open source cad package at the time so I just ... | 1,760,372,374.698706 | ||
https://hackaday.com/2023/03/09/power-tool-battery-fume-extractor/ | Power Tool Battery Fume Extractor | Al Williams | [
"3d Printer hacks",
"Tool Hacks"
] | [
"fume extractor",
"power tool battery",
"soldering"
] | A solder fume extractor is something we could probably all use. While there isn’t much to them, [Steven Bennett] put a lot of thought into making one that was better for him, and we
admired his design process
, as well as the extractor fan itself. You can see the finished result in the video below.
The electrical desig... | 19 | 8 | [
{
"comment_id": "6612348",
"author": "Olivier",
"timestamp": "2023-03-10T00:46:09",
"content": "Great build & video about the process behind it 👍",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6613207",
"author": "Ewald",
"timestamp": "2023-... | 1,760,372,374.756734 | ||
https://hackaday.com/2023/03/09/a-guided-tour-of-the-nes/ | A Guided Tour Of The NES | Tom Nardi | [
"Nintendo Hacks",
"Teardown"
] | [
"6502",
"nes",
"Nintendo Entertainment System",
"tour"
] | No matter your age or background, there’s an excellent chance you’ll recognize the Nintendo Entertainment System (NES) at first glance. The iconic 8-bit system not only revitalized the gaming industry, but helped to establish the “blueprint” of console gaming for decades to come. It’s a machine so legendary and transfo... | 9 | 4 | [
{
"comment_id": "6612267",
"author": "Joshua",
"timestamp": "2023-03-09T22:08:54",
"content": "At least, it had proper shielding. And an good old 7805.. 🙂👍",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6612564",
"author": "Francis Stokes",
... | 1,760,372,374.900487 | ||
https://hackaday.com/2023/03/09/measuring-a-millisecond-mechanically/ | Measuring A Millisecond Mechanically | Al Williams | [
"digital cameras hacks"
] | [
"camera",
"history"
] | If you are manufacturing something, you have to test it. It wouldn’t do, for example, for your car to say it was going 60 MPH when it was really going 90 MPH. But if you were making a classic Leica camera back in the early 20th century, how do you measure a shutter that operates at 1/1000 of a second — a millisecond — ... | 23 | 10 | [
{
"comment_id": "6612228",
"author": "Michel Wurtz",
"timestamp": "2023-03-09T20:50:58",
"content": "I love this mechanical ingenuity… But for me it was easier to use a 6502 Sym-1 development board with a photo-transistor to measure the shutter speed of my analog reflex camera some years ago… Today... | 1,760,372,375.096579 | ||
https://hackaday.com/2023/03/07/this-retro-game-console-puts-vacuum-fluorescent-display-to-good-use/ | This Retro Game Console Puts Vacuum Fluorescent Display To Good Use | Dan Maloney | [
"Arduino Hacks",
"classic hacks"
] | [
"conways game of life",
"game console",
"noritake",
"snake",
"vacuum fluorescent display",
"vfd"
] | Small in size, low-resolution, blocky segments, and a limited color palette — all characteristics of the typical vacuum fluorescent display, any of which would seem to disqualify them as the display of choice for a lot of applications. But this is Hackaday, and we don’t really pay much attention to what we’re supposed ... | 4 | 2 | [
{
"comment_id": "6610805",
"author": "greenbit",
"timestamp": "2023-03-07T20:41:30",
"content": "There’s just something so satisfying about the particular glow you get from hurling electrons through space and then slamming them to a stop.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,375.140381 | ||
https://hackaday.com/2023/03/07/laptop-motherboard-lets-boot-and-tinker/ | Laptop Motherboard? Let’s Boot And Tinker | Arya Voronova | [
"Featured",
"laptops hacks",
"Original Art",
"Skills"
] | [
"motherboard",
"reuse"
] | Last time, I’ve shared my experience on why you might want to
consider a laptop motherboard for a project of yours
, and noted some things you might want to keep in mind if buying one for a project. Now, let’s go through the practical considerations!
Making It Boot
Usually, when you plug some RAM and a charger into a b... | 12 | 7 | [
{
"comment_id": "6610672",
"author": "Steve M.",
"timestamp": "2023-03-07T15:53:05",
"content": "Also, if you need GPIOs, take a look athttps://lab.whitequark.org/notes/2017-11-08/accessing-intel-ich-pch-gpios/.For many Laptops you can find schematics, and I justed tested this on an old Dell Latitud... | 1,760,372,375.337761 | ||
https://hackaday.com/2023/03/07/probably-the-most-over-specified-calculator-to-ever-be-manufactured/ | Probably The Most Over-Specified Calculator To Ever Be Manufactured | Jenny List | [
"Android Hacks"
] | [
"android",
"calculator",
"electronic calculator"
] | It’s possible quite a few of our older readers will remember the period from the 1960s into the ’70s when an electronic calculator was the cutting edge of consumer-grade digital technology. By the 1980s though, they were old hat and could be bought for only a few dollars, a situation that remains to this day. But does ... | 38 | 19 | [
{
"comment_id": "6610551",
"author": "zoobab",
"timestamp": "2023-03-07T12:06:01",
"content": "But nowhere to buy it?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6610612",
"author": "rpavlik",
"timestamp": "2023-03-07T14:01:35",
"c... | 1,760,372,375.224156 | ||
https://hackaday.com/2023/03/07/displaying-the-time-is-elemental-with-this-periodic-table-clock/ | Displaying The Time Is Elemental With This Periodic Table Clock | Dan Maloney | [
"clock hacks",
"Science"
] | [
"Chemistry",
"clock",
"ds1307",
"elements",
"neopixel",
"periodic table",
"rtc",
"ws2812b"
] | We see a lot of clocks here at Hackaday, so many now that it’s hard to surprise us. After all, there are only so many ways to divide the day into intervals, as well as a finite supply of geeky and quirky ways to display the results, right?
That’s why
this periodic table clock
really caught our eye. [gocivici]’s idea is... | 8 | 7 | [
{
"comment_id": "6610489",
"author": "Marvin",
"timestamp": "2023-03-07T09:53:53",
"content": "Simple. Clean. Beautiful. Nerdy.Perfect!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6610719",
"author": "Publius Anonymous",
"timestamp": "2023-03-07T17:... | 1,760,372,374.942891 | ||
https://hackaday.com/2023/03/06/assembly-language-80s-minicomputer-style/ | Assembly Language 80’s Minicomputer Style | Al Williams | [
"Retrocomputing"
] | [
"assembly language",
"retrocomputing"
] | In the days before computers usually used off-the-shelf CPU chips, people who needed a CPU often used something called “bitslice.” The idea was to have a building block chip that needed some surrounding logic and could cascade with other identical building block chips to form a CPU of any bit width that could do whatev... | 19 | 12 | [
{
"comment_id": "6610416",
"author": "k-ww",
"timestamp": "2023-03-07T06:29:00",
"content": "Ah yes, the joy of rolling your own instruction set – one of the fun projects I did for Q1 was designing and building a disk controller using the AMD 2900 series parts – it ran at a modest 5 million instruct... | 1,760,372,375.280299 | ||
https://hackaday.com/2023/03/06/the-eyes-have-it-stare-down-your-lighting/ | The Eyes Have It: Stare Down Your Lighting | Al Williams | [
"Arduino Hacks"
] | [
"Face detection",
"light switch",
"person sensor"
] | You know how you can feel when someone is looking at you? Thanks to a person detector, [Michael Rigsby’s] little robotic light switch also
knows when you are looking at it
. As you can see in the video below, when it notices you are looking at it, it lights up an LED. If you continue to gaze at it, it will turn to star... | 8 | 6 | [
{
"comment_id": "6610350",
"author": "Andy",
"timestamp": "2023-03-07T04:16:32",
"content": "The “person sensor” by “Useful Sensors” has been out of stock for quite a while.Does anyone know if they will re-stock soon or a place where the module is still available?",
"parent_id": null,
"depth... | 1,760,372,375.379981 | ||
https://hackaday.com/2023/03/06/your-phone-is-a-200x-microscope-sort-of/ | Your Phone Is A 200X Microscope — Sort Of | Al Williams | [
"digital cameras hacks"
] | [
"microscope",
"microscopy",
"mobile phone"
] | [A. Cemal Ekin] over on PetaPixel reviewed the
Apexel 200X LED Microscope Lens
. The relatively inexpensive accessory promises to transform your cell phone camera into a microscope. Of course, lenses that strap over your phone’s camera lens aren’t exactly a new idea, but this one looks a little more substantial than th... | 19 | 4 | [
{
"comment_id": "6610232",
"author": "craig",
"timestamp": "2023-03-07T00:42:54",
"content": "Lab microscopes need oil immersion to work at 100x due to properties of light and refraction or some other science stuff. 200x seems unpossible.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,375.437412 | ||
https://hackaday.com/2023/03/08/moving-magnet-draws-stylish-shapes-on-flexible-film/ | Moving Magnet Draws Stylish Shapes On Flexible Film | Robin Kearey | [
"Art",
"clock hacks"
] | [
"flexible PCB",
"linear motor",
"magnetic viewing film",
"PCB coil"
] | [Moritz v. Sivers] has a knack for making his own displays, which are typically based on some obscure physical effect. Magnetic viewing films, those thin plastic sheets that change color in response to a magnetic field, are his latest area of interest, as you can see in his
Magnetic Kinetic Art Display
.
The overall id... | 2 | 2 | [
{
"comment_id": "6611127",
"author": "metalman",
"timestamp": "2023-03-08T11:45:27",
"content": "take a strong magnet to a crt,and depending on what islegaly consumable in your area,watch the muppets,withthe set upside down",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"com... | 1,760,372,375.695255 | ||
https://hackaday.com/2023/03/07/pulling-data-from-hdmi-rf-leakage/ | Pulling Data From HDMI RF Leakage | Jenny List | [
"Radio Hacks"
] | [
"airgap",
"hdmi",
"sdr",
"video"
] | A long-running story in the world of electronic security has been the reconstruction of on-screen data using RF interference from monitors or televisions. From British TV detector vans half a century ago to 1980s scare stories about espionage, it was certainly easy enough to detect an analogue CRT with nothing more tha... | 25 | 8 | [
{
"comment_id": "6611041",
"author": "zoobab",
"timestamp": "2023-03-08T07:24:55",
"content": "The analog version, Tempest for Elisa, back from the CRT days:http://www.erikyyy.de/tempest/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6611048",
"author": "... | 1,760,372,375.96143 | ||
https://hackaday.com/2023/03/07/powercore-aims-to-bring-the-power-of-edm-to-any-3d-printer/ | Powercore Aims To Bring The Power Of EDM To Any 3D Printer | Dan Maloney | [
"cnc hacks"
] | [
"3d printer",
"arc",
"cnc",
"desktop manufacturing",
"EDM",
"electric discharge machining",
"machining",
"plasma",
"subtractive manufacturing"
] | The desktop manufacturing revolution has been incredible, unleashing powerful technologies that once were strictly confined to industrial and institutional users. If you doubt that, just look at 3D printing; with a sub-$200 investment, you can start making parts that have never existed before.
Sadly, though, most of th... | 39 | 19 | [
{
"comment_id": "6610958",
"author": "KSburnout",
"timestamp": "2023-03-08T03:33:20",
"content": "Looks promising but I am 0 for 2 on Kickstarter and I won’t test my luck again. It would have gone swimmingly with the $99 Robotic Industries Build One 3D Printer that I ordered five years ago.My crite... | 1,760,372,376.034 | ||
https://hackaday.com/2023/03/07/a-ground-source-heat-pump-from-an-air-conditioner/ | A Ground Source Heat Pump From An Air Conditioner | Jenny List | [
"green hacks",
"home hacks"
] | [
"air conditioner",
"ground source heat pump",
"Heat pump"
] | When it comes to lower-energy home heating, it’s accurate in all senses to say that heat pumps are the new hotness. But unless you happen to work with them professionally, it’s fair to say their inner workings are beyond most of us. Help is at hand though courtesy of [petey53],
who made his own ground source heat pump ... | 39 | 7 | [
{
"comment_id": "6610923",
"author": "HaHa",
"timestamp": "2023-03-08T01:38:50",
"content": "That’s a hack alright.‘Hack’ is a funny word, it can be good or bad, depending on context.His cold side will freeze up. Water not a good choice. Also unlikely he buried ‘ground loop’ far enough underground (... | 1,760,372,375.786534 | ||
https://hackaday.com/2023/03/07/hacking-a-e15-8051-based-portable-soldering-iron-with-custom-firmware/ | Hacking A €15 8051-Based Portable Soldering Iron With Custom Firmware | Maya Posch | [
"Tool Hacks"
] | [
"8051",
"soldering iron"
] | With soldering irons being so incredibly useful, and coming on the heels of the success of a range of portable, all-in-one soldering irons from the likes of Waveshare and Pine64, it’s little wonder that you can get such devices for as little as 10 – 15 Euro from websites like AliExpress. Making for both a great impulse... | 16 | 8 | [
{
"comment_id": "6611009",
"author": "ytrewq",
"timestamp": "2023-03-08T05:59:24",
"content": "Reverse engineering of closed devices is a good thing, but when purchasing I do my best to support Open Source devices, so although I have no use for a ucontroller in a solder iron, as soon as it became av... | 1,760,372,375.83657 | ||
https://hackaday.com/2023/03/07/probably-the-worlds-most-expensive-bar-bot/ | Probably The World’s Most Expensive Bar Bot | Jenny List | [
"Beer Hacks"
] | [
"barbot",
"ibm",
"tape storage"
] | Bar bots, or robotized bartenders, are a fun feature of events in our community, because there’s nothing like a cocktail untouched by human hand. Usually they have a row of bottles and a slide on which you put the glass, but [SecurityWriter] relates a tale of an altogether much grander affair. Given a weekend with a gr... | 4 | 4 | [
{
"comment_id": "6610781",
"author": "ConsultingJoe",
"timestamp": "2023-03-07T20:03:30",
"content": "This is my barbot that holds up to 12 bottles and has a touchscreen and uses only 2 steppers and end stop switches.https://www.youtube.com/watch?v=lYPOGQ7yaeM",
"parent_id": null,
"depth": 1... | 1,760,372,375.888042 | ||
https://hackaday.com/2023/03/07/hackaday-berlin-first-round-of-talks/ | Hackaday Berlin: First Round Of Talks | Elliot Williams | [
"cons",
"Hackaday Columns",
"News"
] | [
"berlin",
"Hackaday Berlin",
"Hackaday Berlin 2023",
"talks"
] | We’re super excited to announce the first round of speakers for
Hackaday Berlin
! We’re set to convene on Friday night, March 24th for an evening warm up before the main show on Saturday, March 25. Featuring the triumphant return of Voja’s 4-bit badge, a crew of awesome speakers, lightning talks, workshops, music, foo... | 11 | 6 | [
{
"comment_id": "6610842",
"author": "g3gg0",
"timestamp": "2023-03-07T21:44:16",
"content": "It’s “Trammell Hudson” – there is a letter L missing.and hey, Trammell, nice hack ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6611266",
"author": "Ell... | 1,760,372,376.141822 | ||
https://hackaday.com/2023/03/06/mems-teardown-and-macroscopic-models/ | MEMS Teardown And Macroscopic Models | Al Williams | [
"Teardown"
] | [
"MEMS",
"MPU-6050"
] | There is a bit of a paradox when it comes to miniaturization. When electronics replaced mechanical devices, it was often the case that the electronic version was smaller. When transistors and, later, ICs, came around, things got smaller still. However, as things shrink to microscopic scales, transistors don’t work well... | 18 | 6 | [
{
"comment_id": "6610132",
"author": "Damian1384",
"timestamp": "2023-03-06T21:38:20",
"content": "I loved the video and the 3d printed models really helps show how it works.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6610237",
"author": "rclark",
... | 1,760,372,376.08781 | ||
https://hackaday.com/2023/03/06/what-does-an-electron-look-like/ | What Does An Electron Look Like? | Al Williams | [
"Science"
] | [
"electron"
] | In school, you probably learned that an atom was like a little solar system with the nucleus as the sun and electrons as the planets. The problem is, as [The Action Lab]
points out
, the math tells us that if this simplistic model was accurate, matter would be volatile. According to the video you can see below, the rig... | 23 | 10 | [
{
"comment_id": "6610032",
"author": "TG",
"timestamp": "2023-03-06T19:08:35",
"content": "My bet is that quantum stuff is going to be one of those things that turns out to be like 95% wrong in a century or two (and that quantum computers are going to be vaporware and you should short that stuff imm... | 1,760,372,376.291557 | ||
https://hackaday.com/2023/03/06/whats-going-to-happen-to-legacy-broadcast-bands-when-the-lights-go-out/ | What’s Going To Happen To Legacy Broadcast Bands When The Lights Go Out? | Jenny List | [
"Hackaday Columns",
"News",
"Radio Hacks",
"Slider"
] | [
"am",
"radio",
"spectrum"
] | Our smartphones have become our constant companions over the last decade, and it’s often said that they have been such a success because they’ve absorbed the features of so many of the other devices we used to carry. PDA? Check. Pager? Check. Flashlight? Check. Camera? Check. MP3 player? Of course, and the list goes on... | 215 | 50 | [
{
"comment_id": "6609989",
"author": "NQ",
"timestamp": "2023-03-06T18:06:33",
"content": "In small town rural America, the radio is still alive and well. Cattle futures and all things ag related still appeal to farmers. You can pull up to about any farm store or livestock sale barn and there will... | 1,760,372,376.555645 | ||
https://hackaday.com/2023/03/06/low-power-challenge-the-potatop-runs-lisp-for-months-without-recharging/ | Low Power Challenge: The PotatoP Runs Lisp For Months Without Recharging | Robin Kearey | [
"Cyberdecks"
] | [
"cyberdeck",
"lisp",
"low power",
"ulisp"
] | A common complaint among laptop users is that while battery technology has vastly improved over the past decades, a simulltaneous shrink in form factors has meant that a typical laptop today doesn’t last much longer on a battery charge than one from the early 2000s. But it doesn’t have to be that way, as [Andreas Eriks... | 54 | 15 | [
{
"comment_id": "6609943",
"author": "Miles",
"timestamp": "2023-03-06T16:48:17",
"content": "The form factor is one take on battery technology. Another is that processors will gladly burst to 65 or 80 watts, instead of 6 or 8. And screens are 400Nit 4k HD instead of reflective 40 character.I pers... | 1,760,372,376.643731 | ||
https://hackaday.com/2023/03/06/the-future-of-risc-v-and-the-visionfive-2-single-board-computer/ | The Future Of RISC-V And The VisionFive 2 Single Board Computer | Jonathan Bennett | [
"Featured",
"hardware",
"Interest",
"News",
"Reviews",
"Slider"
] | [
"RISC-V",
"VisionFive"
] | We’ve been following the open, royalty-free RISC-V ISA for a while. At first we read the specs, and then we saw RISC-V cores in microcontrollers, but now there’s a new board that offers enough processing power at a low enough price point to really be interesting in a single board computer. The VisionFive 2 ran a succes... | 47 | 17 | [
{
"comment_id": "6609892",
"author": "Ostracus",
"timestamp": "2023-03-06T15:05:41",
"content": "Early Transputer. Interesting device with so-so performance.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6646786",
"author": "Mitch",
"timesta... | 1,760,372,376.737436 | ||
https://hackaday.com/2023/03/06/programming-spi-flash-chips-use-your-pico/ | Programming SPI Flash Chips? Use Your Pico! | Arya Voronova | [
"Tool Hacks"
] | [
"flashrom",
"pi pico",
"Raspberry Pi Pico",
"rp2040",
"serprog"
] | At this point, a Pi Pico is equivalent to a bag full of programmers and debugging accessories. For instance, when you want to program an SPI flash chip, do you use one of those wonky CH341 dongles, or perhaps, even a full-on Raspberry Pi with a Linux OS? If so, it might be time to set those two aside –
any RP2040 board... | 10 | 5 | [
{
"comment_id": "6609825",
"author": "YGDES",
"timestamp": "2023-03-06T12:11:57",
"content": "https://hackaday.io/project/7758-spi-flasherworks over Ethernet :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6609828",
"author": "zoobab",
"timestamp": ... | 1,760,372,376.788104 | ||
https://hackaday.com/2023/03/06/adversarial-ir-hoodie-lets-you-own-the-night-in-anonymity/ | Adversarial IR Hoodie Lets You Own The Night In Anonymity | Dan Maloney | [
"Wearable Hacks"
] | [
"adversarial",
"camera",
"facial recognition",
"hoodie",
"ir",
"led",
"surveillance",
"wearable"
] | If you’re in the market for something to obfuscate your nefarious nocturnal activities, rejoice —
this adversarial infrared hoodie
may be just what you’re looking for.
Not that we condone illegal activities, of course, and neither does artist [Mac Pierce], who created “The Camera-Shy Hoodie.” His purpose seems to be ex... | 76 | 31 | [
{
"comment_id": "6609791",
"author": "Anonymous",
"timestamp": "2023-03-06T09:11:41",
"content": "As seen on TV, in particular an episode of Hawaii Five-0.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6609807",
"author": "Truth",
"timestamp... | 1,760,372,376.952961 | ||
https://hackaday.com/2023/03/05/a-medium-format-camera-from-scratch/ | A Medium Format Camera From Scratch | Jenny List | [
"classic hacks"
] | [
"camera",
"film camera",
"medium format"
] | Film photography may now be something so outdated as to be unknown to our younger readers, but as an analogue medium it has enjoyed a steady enthusiast revival. There is still a bonanza of second-hand cameras from the days when it was king to be found, but for some photographers it’s preferable to experiment with their... | 12 | 6 | [
{
"comment_id": "6609782",
"author": "Dude",
"timestamp": "2023-03-06T06:47:56",
"content": ">building a camera is not impossibleWhy would it be? People have been building these things by hand since the 19th century.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,372,376.834251 | ||
https://hackaday.com/2023/03/05/review-of-the-yard-stick-one-radio-dongle/ | Review Of The YARD Stick One Radio Dongle | Al Williams | [
"Radio Hacks"
] | [] | When it comes to SDR, you can usually find cheap products that receive and expensive products that can also transmit. The YARD Stick One bucks that trend. It can send and receive from 300 MHz to 928 MHz, thanks to the onboard TI CC1111 chip. [Wim Ton] on Elektor
put the device through its paces
. While the frequency ra... | 20 | 12 | [
{
"comment_id": "6609752",
"author": "Jeff Brown",
"timestamp": "2023-03-06T03:29:17",
"content": "I’ve gotten good use out of mine for controlling ceiling fans, heated mattresses, and other domestic appliances. I agree that the software needs some love. Maybe it’s gotten better now but the last v... | 1,760,372,377.008138 | ||
https://hackaday.com/2023/03/05/hackaday-links-march-5-2023/ | Hackaday Links: March 5, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"alto",
"brick",
"CMM",
"coordinate measuring machine",
"crypto mining",
"ford",
"hackaday links",
"illegal",
"illicit",
"infotainment",
"metrology",
"nist",
"parc",
"patent",
"pixel",
"repossession",
"self-driving",
"standards",
"Xerox",
"youtube"
] | Well, we guess it had to happen eventually —
Ford is putting plans in place to make its vehicles capable of self-repossession
. At least it seems so from a patent application that was published last week, which reads like something written by someone who fancies themselves an evil genius but is just really, really anno... | 40 | 17 | [
{
"comment_id": "6609718",
"author": "Nick",
"timestamp": "2023-03-06T00:07:20",
"content": "I’m not sure why anyone would win the argument that someone who had a medical emergency would be better off with their vehicle repossessed the traditional way as opposed to being remotely locked out of it.",... | 1,760,372,377.085936 | ||
https://hackaday.com/2023/03/05/graphene-and-copper-nanowire-thermal-interface-with-low-thermal-resistance/ | Graphene And Copper Nanowire Thermal Interface With Low Thermal Resistance | Maya Posch | [
"Science"
] | [
"cooling",
"thermal interface"
] | With the increasing waste heat production by today’s electronics in ever smaller spaces, drawing this heat away quickly enough to prevent thermal throttling or damage is a major concern. This is where research by Lin Jing and colleagues from Carnegie Mellon University’s Department of Mechanical Engineering demonstrates... | 8 | 2 | [
{
"comment_id": "6609707",
"author": "Nathann",
"timestamp": "2023-03-05T22:41:47",
"content": "I’m missing the why to using a whole copper block instead of a pillar structure. What is the benefit ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6609724",
... | 1,760,372,377.131458 | ||
https://hackaday.com/2023/03/05/yesterdays-drill-press-packed-with-tomorrows-upgrades/ | Yesterday’s Drill Press Packed With Tomorrow’s Upgrades | Sonya Vasquez | [
"News",
"Tool Hacks"
] | [
"Machine tool",
"machine tool upgrade",
"pneumatic actuator",
"Pneumatic cylinder"
] | Those who hibernate in their workshops have a habit of re-imagining their relationship to tools. And [Marius Hornberger] is no exception, but the
nine upgrades
he’s added to his grandfather’s old drill press puts this machine on a whole other level.
In proper storytime fashion, [Marius] steps us through each upgrade, t... | 10 | 7 | [
{
"comment_id": "6609665",
"author": "Alex",
"timestamp": "2023-03-05T18:47:52",
"content": "Great video showing amazing craftsmanship! The motorized table design is especially cool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6609667",
"author": "Bren... | 1,760,372,377.183838 | ||
https://hackaday.com/2023/03/05/upgrade-ram-on-your-pi-4-the-fun-way/ | Upgrade RAM On Your Pi 4, The Fun Way | Arya Voronova | [
"Raspberry Pi",
"Repair Hacks"
] | [
"BGA soldering",
"memory upgrade",
"ram",
"ram upgrade",
"Raspberry Pi 4",
"Raspberry Pi 4B"
] | The Raspberry Pi shortage has been a meme in hacker circles for what feels like an eternity now, and the Pi 4 seems to be most affected – though, maybe it’s just its popularity. Nevertheless, if you’re looking for a Pi 4, you would need to look far and wide – and things are way worse if you need the 8 GB version specif... | 17 | 7 | [
{
"comment_id": "6609629",
"author": "jenningsthecat",
"timestamp": "2023-03-05T15:13:06",
"content": "“We’d personally recommend preheating for such an upgrade…”Definitely pre-heat the board if you can. The thermal differentials generated by spot heating may create enough unrelieved stress to cause... | 1,760,372,377.343522 | ||
https://hackaday.com/2023/03/05/no-wheels-no-mercy/ | No Wheels, No Mercy | Al Williams | [
"Robots Hacks"
] | [
"battle robots"
] | We always like when a designer does something different. After all, it is easy just to do what everyone else is doing. But to see things a different way is always interesting to us. When you think of a battle bot, you probably think of a robot with wheels or tracks, attacking other robots in an arena. But [Shea Waffles... | 15 | 5 | [
{
"comment_id": "6609614",
"author": "Gregg Eshelman",
"timestamp": "2023-03-05T13:14:59",
"content": "It’s the Toonces the Cat of fighting robots. It can fight, just not very well.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6609643",
"author": "come2"... | 1,760,372,377.395577 | ||
https://hackaday.com/2023/03/05/tiny-tapeout-3-get-your-own-chip-deign-to-a-fab/ | Tiny Tapeout 3: Get Your Own Chip Design To A Fab | Joseph Long | [
"hardware"
] | [
"ASIC",
"chip",
"design",
"verilog",
"vhdl"
] | Custom semiconductor chips are generally big projects made by big companies with big budgets. Thanks to
Tiny Tapeout
, students, hobbyists, or anyone else can quickly get their designs onto an actual fabricated chip. [Matt Venn] has announced the opening of a third round of the Tiny Tapeout project for March 2023.
In 2... | 12 | 5 | [
{
"comment_id": "6609546",
"author": "macsimski",
"timestamp": "2023-03-05T09:25:01",
"content": "Did anyone found the electrical specs? What are the voltages and power per pin? Would it be possible to recreate unobtanium ttl chips for restoration purposes?",
"parent_id": null,
"depth": 1,
... | 1,760,372,377.444242 | ||
https://hackaday.com/2023/03/04/a-crt-audio-visualiser-for-when-leds-just-wont-do/ | A CRT Audio Visualiser For When LEDs Just Won’t Do | Jenny List | [
"home entertainment hacks"
] | [
"audio visualizer",
"crt",
"oscilloscope",
"tv"
] | It has been a recurring feature of consumer audio gear since the first magic eye tube blinked into life, to have some kind of visualization of the sound being played. Most recently this has meant an LED array or an OLED screen, but [Thomas] has gone one better than this with a CRT television
converted to perform as a r... | 17 | 15 | [
{
"comment_id": "6609522",
"author": "Sailingfree",
"timestamp": "2023-03-05T06:51:09",
"content": "Reminds me of a similar hack my father and I did back in the early 70s when as a teen a couple of mates and I ran a disco. Basically took a TV and replaced the vertical field output with the audio tra... | 1,760,372,377.502607 | ||
https://hackaday.com/2023/03/04/reclaiming-a-pi-based-solar-datalogger/ | Reclaiming A Pi-Based Solar Datalogger | Arya Voronova | [
"green hacks",
"home hacks",
"Reverse Engineering",
"Solar Hacks"
] | [
"FOSDEM",
"Modbus",
"solar",
"solar inverter",
"solar power"
] | There’s quite a few devices on the market that contain a Raspberry Pi as their core, and after becoming a proud owner of a solar roof, [Paolo Bonzini]
has found himself
with an
Entrade ENR-DTLA04DN
datalogger which – let’s just say, it had some of the signs, and at FOSDEM 2023, he told us all about it. Installed under ... | 7 | 2 | [
{
"comment_id": "6609528",
"author": "Andrew",
"timestamp": "2023-03-05T07:11:56",
"content": "Is this why Pis are in short supply?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6609538",
"author": "m1ke",
"timestamp": "2023-03-05T08:30:43",... | 1,760,372,377.547908 | ||
https://hackaday.com/2023/03/04/assessing-the-micromirror-device-from-a-dlp-printer-for-maskless-lithography-duty/ | Assessing The Micromirror Device From A DLP Printer For Maskless Lithography Duty | Maya Posch | [
"3d Printer hacks"
] | [
"DLP projector"
] | Inspired by the idea of creating a maskless lithography system using a digital micromirror device (DMD), [Nemo Andrea] tore into an Anycubic Photon Ultra, DLP & resin-based 3D printer to
take a look
at its projector system. Here Anycubic isn’t the maker of what is called the ‘optical engine’, which would be
eViewTek’s ... | 10 | 6 | [
{
"comment_id": "6609497",
"author": "Ostracus",
"timestamp": "2023-03-05T03:10:10",
"content": "That’ll be the next story about all the IP-less chip designs one can create.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6609621",
"author": "OODev",
... | 1,760,372,377.645054 | ||
https://hackaday.com/2023/03/04/inspect-the-rf-realm-with-augmented-reality/ | Inspect The RF Realm With Augmented Reality | Dan Maloney | [
"Radio Hacks",
"Virtual Reality"
] | [
"android",
"ar",
"ARCore",
"augmented reality",
"fiducial",
"RSSI",
"spectrum analyzer",
"tinysa",
"vr"
] | Intellectually, we all know that we exist in a complex soup of RF energy. Cellular, WiFi, TV, public service radio, radar, ISM-band transmissions from everything from thermometers to garage door openers — it’s all around us. It would be great to see these transmissions, but alas, most of us don’t come from the factory ... | 10 | 6 | [
{
"comment_id": "6609436",
"author": "Piecutter",
"timestamp": "2023-03-04T22:26:43",
"content": "Perhaps a less opaque point cloud would make a better overlay. Excellent start though.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6609653",
"author"... | 1,760,372,377.593748 | ||
https://hackaday.com/2023/03/04/fdm-printing-with-resin-update/ | FDM Printing With Resin Update | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"laser",
"resin"
] | [Proper Printing] is at it again. He’s trying to perfect his
hybrid printer that works like an FDM printer but uses UV-curable resin gel
instead of filament. You can see the latest update video below. If you missed our take on his early attempts, you might want to
catch up
with
those earlier videos
first.
The latest up... | 15 | 7 | [
{
"comment_id": "6609375",
"author": "Wereweeb",
"timestamp": "2023-03-04T18:49:34",
"content": "Finally! I really wanted a 3D printer that combines all the downsides of FDM with all the downsides of SLA.Human ingenuity really knows no bounds.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,372,377.837632 | ||
https://hackaday.com/2023/03/04/chatgpt-bing-and-the-upcoming-security-apocalypse/ | ChatGPT, Bing, And The Upcoming Security Apocalypse | Elliot Williams | [
"Artificial Intelligence",
"Hackaday Columns",
"Rants",
"Security Hacks",
"Slider"
] | [
"ai",
"black box",
"ChatGPT",
"LLM",
"newsletter",
"security"
] | Most security professionals will tell you that it’s a lot easier to attack code systems than it is to defend them, and that this is especially true for large systems. The white hat’s job is to secure each and every point of contact, while the black hat’s goal is to find
just one
that’s insecure.
Whether black hat or wh... | 46 | 16 | [
{
"comment_id": "6609337",
"author": "glowinbot",
"timestamp": "2023-03-04T16:03:01",
"content": "Bing became silent on me, and I wrote “My mind is glowing…” at the prompt. Then went here instead. Yes, exciting times for sure.Best regards.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,372,377.930378 | ||
https://hackaday.com/2023/03/04/trs-80-model-100-inspires-cool-cyberdeck-build-40-years-down-the-line/ | TRS-80 Model 100 Inspires Cool Cyberdeck Build, 40 Years Down The Line | Dan Maloney | [
"Cyberdecks",
"Retrocomputing"
] | [
"cyberdeck",
"laptop",
"model 100",
"radxa",
"trs-80"
] | The TRS-80 Model 100 was a strange beast. When it debuted in 1983, it resembled nothing that was available at the time, and filled a gap between desktop computers and the mostly-not-invented-yet laptop segment of the market. Collectors covet these machines, but they’re getting harder to find four decades later. So, if ... | 19 | 7 | [
{
"comment_id": "6609368",
"author": "gteague",
"timestamp": "2023-03-04T17:44:26",
"content": "i worked computer support at a newspaper and we bought 6-8 of these, mostly for the sportswriters to file stories back from the stadiums on friday night after the high school football games. they were ver... | 1,760,372,377.777383 | ||
https://hackaday.com/2023/03/04/fosdem-sees-surprise-pico-balloon-event/ | FOSDEM Sees Surprise Pico Balloon Event | Arya Voronova | [
"Radio Hacks"
] | [
"amateur radio",
"balloon",
"FOSDEM",
"HAB",
"high altitude balloon",
"pico balloon",
"rp2040",
"tinygo"
] | At any vaguely-related conferences, groups of hackers sometimes come together to create an impact, and sometimes that impact is swinging something into an airspace of a neighboring country. [deadprogram] tells us that such a thing happened at FOSDEM, where a small group of hackers
came together
(
Nitter
) to assemble, ... | 23 | 7 | [
{
"comment_id": "6609249",
"author": "zoobab",
"timestamp": "2023-03-04T09:10:54",
"content": "Ron Evans is a cool dude, his demos with cube LEDs and flying drones with human recognition years ago were just amazing:https://archive.fosdem.org/2020/schedule/event/iottinygo/PS: i was organizing this IO... | 1,760,372,377.993829 | ||
https://hackaday.com/2023/03/03/defender-arcade-rebuilt-to-settle-a-childhood-memory/ | DefenderArcade Rebuilt To Settle A Childhood Memory | Arya Voronova | [
"Games",
"laptops hacks"
] | [
"arcade",
"arcade cabinet",
"defender"
] | [Jason Winfield] had a nemesis: the
Defender
arcade machine. Having put quite a number of coins into one during his childhood, he’s since found himself as a seasoned maker, and decided to hold a rematch on his own terms. For this, he’s
recreated the machine from scratch,
building it around the guts of a Dell laptop, an... | 7 | 4 | [
{
"comment_id": "6609228",
"author": "Joseph Eoff",
"timestamp": "2023-03-04T07:52:01",
"content": "Defender was in a standard stand-up console like most other video games. Like many other video games, there was a limited number of cocktail table consoles made for it.https://en.wikipedia.org/wiki/D... | 1,760,372,378.621364 | ||
https://hackaday.com/2023/03/03/will-carmakers-switch-clay-for-computers/ | Will Carmakers Switch Clay For Computers? | Al Williams | [
"3d Printer hacks",
"car hacks",
"cnc hacks"
] | [
"cad",
"car design",
"clay modeling"
] | The 3D printing revolution has transformed a lot of industries, but according to [Insider Business] the car industry still uses
clay modeling to make life-sized replicas of new cars
. The video below shows a fascinating glimpse of the process of taking foam and clay and making it look like a real car. Unlike the old da... | 47 | 12 | [
{
"comment_id": "6609186",
"author": "TG",
"timestamp": "2023-03-04T04:38:10",
"content": "Why do they even bother modeling them in clay, or any other medium? They’re all going to look the same anyway. Monotonous, stultifying, demoralizing uniformity. They aren’t legally permitted to build them any ... | 1,760,372,378.255741 | ||
https://hackaday.com/2023/03/03/pcb-makes-7-segment-displays/ | PCB Makes 7 Segment Displays | Al Williams | [
"Arduino Hacks",
"clock hacks",
"LED Hacks"
] | [
"clock",
"LED display"
] | Of course, there’s nothing unusual about using 7-segment displays, especially in a clock. However, [Edison Science Corner] didn’t buy displays. Instead, he f
abricated them from a PCB using 0805 LEDs
for the segments. You can see the resulting clock project in the video below.
While the idea is good, we might have been... | 9 | 8 | [
{
"comment_id": "6609136",
"author": "YGDES",
"timestamp": "2023-03-04T00:16:40",
"content": "4014-format LED are better :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6609161",
"author": "Eightbitswide",
"timestamp": "2023-03-04T02:33:11",
"co... | 1,760,372,378.403083 | ||
https://hackaday.com/2023/03/03/all-the-usb-you-can-do-with-a-ch552/ | All The USB You Can Do With A CH552 | Arya Voronova | [
"Parts"
] | [
"CH552",
"CH554",
"Native USB",
"PDI",
"UPDI",
"usb",
"usb host",
"USB host mode"
] | Recently, you might have noticed
a flurry of CH552 projects
on Hackaday.io – all of them with professionally taken photos of neatly assembled PCBs, typically with a USB connector or two. You might also have noticed that they’re all built by one person, [Stefan “wagiminator” Wagner], who is a prolific hacker – his Hacka... | 12 | 5 | [
{
"comment_id": "6609078",
"author": "bubba",
"timestamp": "2023-03-03T21:16:32",
"content": "@AryaYouve got a typo…“The CH522 is an 8-bit MCU …” Should be CH552.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6609083",
"author": "ian 42",
"... | 1,760,372,378.303837 | ||
https://hackaday.com/2023/03/03/daniel-valuch-chats-about-cerns-high-caliber-hacking/ | Daniel Valuch Chats About CERN’s High Caliber Hacking | Tom Nardi | [
"Engineering",
"Hackaday Columns"
] | [
"cern",
"Hack Chat",
"large hadron collider",
"lhc",
"particle accelerator",
"physics"
] | For those of us who like to crawl over complex systems, spending hours or even days getting hardware and software to work in concert, working at places like NASA or CERN seems like a dream job. Imagine having the opportunity to turn a wrench on the Space Shuttle or the Large Hadron Collider (LHC) — not only do you get ... | 9 | 1 | [
{
"comment_id": "6609065",
"author": "Reluctant Cannibal",
"timestamp": "2023-03-03T20:40:42",
"content": "“you have to predict what adjustments you’ll need to make for the next pass” …… If I can do this, can I get a job with CERN? (LOL)",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,378.357939 | ||
https://hackaday.com/2023/03/03/the-curved-nature-of-time-clock/ | The Curved Nature Of Time Clock | Al Williams | [
"clock hacks",
"LED Hacks"
] | [
"clock",
"ws2812"
] | While we’re told that space-time curves, we aren’t sure that was what [andrei.erdei] was going for when he built
a great-looking curved LED clock
. The LEDs are courtesy of a strip of 84 WS2812 smart LEDs, the curve comes from a 3D printed part, and a Wemos D1 mini provides the brains.
Like all of our favorite clocks, ... | 0 | 0 | [] | 1,760,372,378.172525 | ||
https://hackaday.com/2023/03/03/supercon-2022-michael-whiteley-saves-the-badge/ | Supercon 2022: Michael Whiteley Saves The Badge | Joseph Long | [
"cons",
"Featured",
"hardware",
"Slider"
] | [
"2022 Hackaday Supercon",
"badgelife",
"DEF CON",
"saintcon"
] | Michael Whiteley (aka [compukidmike]) is a badgelife celebrity. Together, he and his wife Katie make up MK Factor. They have created some of the most popular electronic conference badges. Of course, even experts make mistakes and run into challenges when they dare to push the envelope of technology and delivery schedul... | 6 | 3 | [
{
"comment_id": "6609015",
"author": "jpa",
"timestamp": "2023-03-03T18:16:27",
"content": "Some of the badges are pretty cool, but I wonder if for the average attendee they are just an useless piece of ewaste?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,372,378.535085 | ||
https://hackaday.com/2023/03/03/hackaday-podcast-208-hallucinating-robots-floppy-cartridges-and-a-flexure-synth-french-horn/ | Hackaday Podcast 208: Hallucinating Robots, Floppy Cartridges, And A Flexure Synth French Horn | Kristina Panos | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and [former Assignments Editor] Kristina Panos stood around talking about the greatest hacks of the previous week. But first, we’ve got a contest running now through March 21st — the
Low Power Challenge
!
Kristina almost got What’s That Sound this week, but could only describe... | 1 | 1 | [
{
"comment_id": "6609143",
"author": "Matt Rozema",
"timestamp": "2023-03-04T00:35:23",
"content": "Elliott, let’s see this old drum machine you have with the VFDs!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,378.572286 |
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