url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
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https://hackaday.com/2022/08/22/soviet-era-test-gear-defects-to-youtube/ | Soviet-Era Test Gear Defects To YouTube | Al Williams | [
"Teardown",
"Wireless Hacks"
] | [
"russian",
"soviet"
] | If you want to work on communication gear — especially in the 1960s — you probably wanted a VTVM (a vacuum tube voltmeter), a way to generate frequencies, and a way to measure frequencies and power. The Soviet military had a piece of portable gear that could do all of this,
the IK-2
, and [msylvain59] shows up how one ... | 3 | 2 | [
{
"comment_id": "6505603",
"author": "mime",
"timestamp": "2022-08-23T16:29:26",
"content": "+1 like",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6505718",
"author": "Drone",
"timestamp": "2022-08-23T23:57:37",
"content": "In the Land of the Free... | 1,760,372,587.835894 | ||
https://hackaday.com/2022/08/22/choose-your-own-vector-map/ | Choose Your Own Vector Map | Matthew Carlson | [
"Software Development"
] | [
"openstreetmap",
"vector map",
"WebGL"
] | There are adults out there driving who were born after Google Earth came out. Potentially distressing facts aside, those who were around to remember the magic of scrolling in and out with infinite levels of detail was an experience that burned into our brains. Perhaps still curious 21 years later, [Craig Kochis] dove i... | 7 | 4 | [
{
"comment_id": "6505442",
"author": "Victor Martelli",
"timestamp": "2022-08-23T02:23:22",
"content": "Free and open-source maps.https://about.maps.earth/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6505444",
"author": "Victor Martelli",
... | 1,760,372,587.511401 | ||
https://hackaday.com/2022/08/22/make-multi-material-resin-prints-with-a-syringe-and-a-bit-of-patience/ | Make Multi-Material Resin Prints With A Syringe (And A Bit Of Patience) | Donald Papp | [
"3d Printer hacks"
] | [
"3d printing",
"multi-material",
"resin",
"sla",
"UV resin"
] | Resin printing is a fantastic way to create parts, but multi-material printing isn’t really a possibility with resin. That is, unless you use [Cameron Coward]’s method for
creating multi-material resin prints
.
[Cameron]’s idea relies on the fact that handling and curing UV resin can easily be done outside of the print... | 15 | 8 | [
{
"comment_id": "6505449",
"author": "Charlie",
"timestamp": "2022-08-23T02:59:05",
"content": "Interesting approach… I would have gone for filling with polyurethane. No requirement for UV, and can be used in internal spaces too.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,587.902117 | ||
https://hackaday.com/2022/08/25/printable-one-way-driver-skips-ratchet-for-a-clutch/ | Printable One-Way Driver Skips Ratchet For A Clutch | Lewin Day | [
"Tool Hacks"
] | [
"clutch",
"ratchet",
"screwdriver",
"tool hacks",
"tools"
] | Ratcheting screwdrivers can help you work faster, even if their bulk means they’re not the best option for working in tight spaces. [ukman] decided to build a similar device of his own, relying on a slightly different mechanism —
an overrunning clutch.
The design is similar to a freewheel used on a bicycle, allowing fr... | 6 | 3 | [
{
"comment_id": "6506344",
"author": "Andrew Quitmeyer",
"timestamp": "2022-08-25T15:48:52",
"content": "Lovely ! Love the efficient elegance",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6506355",
"author": "The Commenter Formerly Known As Ren",
"tim... | 1,760,372,587.553258 | ||
https://hackaday.com/2022/08/25/i3c-no-typo-wants-to-be-your-serial-bus/ | I3C — No Typo — Wants To Be Your Serial Bus | Al Williams | [
"Engineering",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"I3C"
] | Remember old hard drives with their giant ribbon cables? They went serial and now the power cables are way thicker than the data cables. We’ve seen the same thing in embedded devices. Talking between chips these days tends to use I2C or SPI or some variation of these to send and receive data over a handful of pins. But... | 71 | 21 | [
{
"comment_id": "6506309",
"author": "fiddlingjunky",
"timestamp": "2022-08-25T14:14:08",
"content": "> Unfortunately, the full specification is available only to MIPI members.That’s gross. Hopefully they release the full spec after a while, but the fact that they’ve released a stripped-down one doe... | 1,760,372,587.746493 | ||
https://hackaday.com/2022/08/25/everything-you-didnt-know-you-need-to-know-about-glitching-attacks/ | Everything You Didn’t Know You Need To Know About Glitching Attacks | Dan Maloney | [
"hardware",
"Security Hacks"
] | [
"ChipWhisperer",
"fault injection",
"glitching",
"PicoEMP",
"stm32",
"trezor"
] | If you’ve always been intrigued by the idea of performing hardware attacks but never knew where to start, then we’ve got the article for you:
an in-depth look at the hows and whys of hardware glitching
.
Attentive readers will recall that we’ve featured [Matthew Alt]’s reverse engineering exploits before, like the time... | 1 | 1 | [
{
"comment_id": "6507011",
"author": "Bhav",
"timestamp": "2022-08-27T07:18:48",
"content": "It was amazing how clear and well explained the piece was! I can say I completely understand their approach (voltage line glitching) now. I am impressed how deep down the stack you can go to hack something…n... | 1,760,372,587.470803 | ||
https://hackaday.com/2022/08/25/pet-bottles-diligently-turned-into-filament/ | PET Bottles Diligently Turned Into Filament | Bryan Cockfield | [
"3d Printer hacks",
"Arduino Hacks"
] | [
"controller",
"extruder",
"filament",
"pet",
"pid",
"plastic",
"recycle"
] | While the price of 3D printers has come down quite a lot in the past few years, filament continues to be rather pricey especially for those doing a lot of printing. This has led to some people looking to alternatives for standard filament, including recycling various forms of plastic. We’ve seen plenty of builds using ... | 21 | 11 | [
{
"comment_id": "6506201",
"author": "rolf",
"timestamp": "2022-08-25T08:29:30",
"content": "This is a copy of one I know of. It is slightly better on some ways, and worse on some others.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6506208",
"auth... | 1,760,372,587.617848 | ||
https://hackaday.com/2022/08/24/building-a-gamecube-mini-because-nintendo-never-did/ | Building A GameCube Mini Because Nintendo Never Did | Lewin Day | [
"Nintendo Hacks"
] | [
"console",
"gamecube",
"nintendo"
] | Nintendo never made a GameCube Mini, with the console’s form factor remaining the same until the eventual launch of the Wii in 2006. [Bringus Studios]
decided to build one of his own instead
.
The build began with a Revision C GameCube motherboard, which comes without the digital video port and the second serial port. ... | 9 | 3 | [
{
"comment_id": "6506264",
"author": "uc",
"timestamp": "2022-08-25T12:06:54",
"content": "But… This is not a cube!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6506283",
"author": "sjm4306",
"timestamp": "2022-08-25T13:09:16",
"con... | 1,760,372,587.793885 | ||
https://hackaday.com/2022/08/24/coffee-with-kernighan/ | Coffee With Kernighan | Chris Lott | [
"computer hacks"
] | [
"awk",
"computerphile",
"Kernighan",
"unicode"
] | There was an interesting tidbit buried in a Computerphile video released last week (below the break), featuring professors [David Brailsford] and [Brian Kernighan] having a chat over coffee. Among other topics, they discuss the history and current state of various text processing tools. We learn that [Kernighan] has ta... | 29 | 11 | [
{
"comment_id": "6506098",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-25T02:20:32",
"content": "August pioneer",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6506104",
"author": "Bruce Perens",
"timestamp": "2022-08-25T02:34... | 1,760,372,588.11098 | ||
https://hackaday.com/2022/08/24/reactive-load-for-amplifiers-teaches-lessons-about-inductors/ | Reactive Load For Amplifiers Teaches Lessons About Inductors | Bryan Cockfield | [
"Musical Hacks"
] | [
"amp",
"amplifier",
"baxandall",
"dummy load",
"equalizer",
"headphone",
"music",
"reactive load",
"tube",
"vacuum"
] | The sound produced by any given electric guitar is shaped not just by the instrument itself but by the amplifiers chosen to make that sound audible. Plenty of musicians swear by the warm sound of amplifiers with vacuum tube circuits, but they do have some limitations. [Collin] wanted to
build a reactive load for using ... | 26 | 5 | [
{
"comment_id": "6506052",
"author": "Paul",
"timestamp": "2022-08-24T23:06:43",
"content": "And then there are gyrators: Would save a lot of pain in making monster inductors.Though a gyrator to handle that kind of power brings its own headaches too, since it would require a heatsink.",
"parent_... | 1,760,372,588.181352 | ||
https://hackaday.com/2022/08/23/theres-gold-in-that-there-graphene/ | There’s Gold In That There Graphene | Al Williams | [
"Science"
] | [
"e-waste recycling",
"graphene"
] | There’s gold all around us, embedded in our electronics. There are people who collect e-waste and use various methods to extract gold from them. However, it is hard to qualify it as a “get rich quick” scheme because the amount of gold recovered is usually minute. Still, if you can do volume, you can make some money and... | 14 | 4 | [
{
"comment_id": "6505804",
"author": "David",
"timestamp": "2022-08-24T09:49:47",
"content": "“The chemical process converts cold bound with chlorine into elemental gold.” So the philosophers stone was just ICE all along?! :O omg!! Ciao, I’m moving to Alaska!",
"parent_id": null,
"depth": 1,... | 1,760,372,588.25057 | ||
https://hackaday.com/2022/08/23/integrated-circuit-manufacturing-at-bell-labs-in-1983/ | Integrated Circuit Manufacturing At Bell Labs In 1983 | Dave Rowntree | [
"History"
] | [
"bell labs",
"fabrication",
"integrated circuit",
"vintage",
"wafer"
] | With the never ending march of technological progress, arguably the most complex technologies become so close to magic as to be impenetrable to those outside the industry in which they operate. We’ve seen walkthrough video snapshots of just a small part of the operation of modern semiconductor fabs, but let’s face it, ... | 13 | 8 | [
{
"comment_id": "6505739",
"author": "Greg Garriss",
"timestamp": "2022-08-24T02:18:41",
"content": "They made bigger chips too. A friend at Bell Labs and I developed an analog image sensor / neural net chip that was fabricated there in the late 80s. It was about 75mm square. Qty: 4. Boeing had s... | 1,760,372,588.308237 | ||
https://hackaday.com/2022/08/23/flapping-pcb-fan-blows-a-little-bit/ | Flapping PCB Fan Blows A Little Bit | Danie Conradie | [
"Tech Hacks"
] | [
"Carl Bugeja",
"fan",
"flexible PCB",
"pcb actuator"
] | Moving air with spinning blades is the most popular way, but it is not the only way. Using the PCB actuator technology he has been working on for the past few years, [Carl Bugeja] built a small
electromagnetic flapping fan
using a custom flexible PCB.
Inspired by
expensive piezoelectric fans
($400 for a 30mW fan), [Car... | 24 | 15 | [
{
"comment_id": "6505709",
"author": "YGDES",
"timestamp": "2022-08-23T23:20:55",
"content": "I already have Flip-Dot display arrays which contain the coil in the PCB…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6505760",
"author": "S",
"t... | 1,760,372,588.407247 | ||
https://hackaday.com/2022/08/23/high-speed-rc-car-needs-a-flight-controller/ | High-Speed RC Car Needs A Flight Controller | Danie Conradie | [
"Misc Hacks"
] | [
"aerodynamics",
"ardupilot",
"R/C car"
] | The fastest ground vehicles on earth are not driven by their wheels but by an aircraft jet engine. At world record speeds, they run on an aerodynamic razor’s edge between downforce, which limits speed, and liftoff, which can result in death and destruction. [rctestflight] wanted to see what it takes to run an RC car at... | 2 | 2 | [
{
"comment_id": "6507121",
"author": "Dremhmrk2",
"timestamp": "2022-08-27T18:19:36",
"content": "I’ve had Traxxas trucks with Traxxas motors and speed controllers hit gps-measured speeds over 80mph on city streets.There’s a lot of room to squeeze out performance if he only hit 71mph.My biggest prob... | 1,760,372,588.342922 | ||
https://hackaday.com/2022/08/23/2022-hackaday-prize-plant-monitoring-system-grows-to-include-lora/ | 2022 Hackaday Prize: Plant Monitoring System Grows To Include LoRa | Bryan Cockfield | [
"green hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"automation",
"farm",
"FLORA",
"garden",
"green",
"moisture",
"plants",
"sensor",
"soil",
"water"
] | Change on industrial scales is slow, but if you’re operating your own small farm or simply working in a home garden there are some excellent ways to use water more effectively.
The latest tool from [YJ] makes it possible to use much less water while still keeping plant yields high
.
This is an improvement on a
previous... | 7 | 1 | [
{
"comment_id": "6505661",
"author": "Christoph",
"timestamp": "2022-08-23T19:57:28",
"content": "Is the range really 3km with this unmatched antenna? It looks very similar to the DN038 antenna from TI, which “requires” a matching network.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,588.460844 | ||
https://hackaday.com/2022/08/23/ibms-early-pc-attracts-time-travelers/ | IBM’s Early PC Attracts Time Travelers | Al Williams | [
"Hackaday Columns",
"Rants",
"Retrocomputing",
"Slider"
] | [
"ibm",
"retrocomputing"
] | It wasn’t long ago I was nostalgic about an old computer I saw back in the 1980s from HP. It was sort of an early attempt at a PC, although price-wise it was only in reach for professionals. HP wasn’t the only one to try such a thing, and one of the more famous attempts was the company that arguably did get the PC worl... | 53 | 15 | [
{
"comment_id": "6505615",
"author": "Ale",
"timestamp": "2022-08-23T17:13:13",
"content": "It looks like a hobbyist made HP85 :) but that one came later",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6505684",
"author": "Steven-X",
"timestam... | 1,760,372,588.686038 | ||
https://hackaday.com/2022/08/23/2022-hackaday-supercon-call-for-proposals-extended/ | 2022 Hackaday Supercon: Call For Proposals Extended | Elliot Williams | [
"cons",
"News"
] | [
"2022 Hackaday Supercon",
"call for proposals"
] | Good news, procrastinators and those of you who simply have not yet worked up the nerve to submit! The
2022 Hackaday Supercon Call for Proposals
has been extended one more week. You’ve been waiting until the last minute? Well, it’s now one minute
past
the last minute, but we’ve got your back. You have until
Thurs, Sep.... | 5 | 3 | [
{
"comment_id": "6505639",
"author": "Your comment is awaiting moderation",
"timestamp": "2022-08-23T18:28:36",
"content": "This flashing gif icon thing with loads of random big dots is infringing on my insanity. How do I turn it off please?",
"parent_id": null,
"depth": 1,
"replies": []... | 1,760,372,588.506 | ||
https://hackaday.com/2022/08/26/simple-breadboard-sdr-for-shortwave/ | Simple Breadboard SDR For Shortwave | Danie Conradie | [
"Radio Hacks"
] | [
"breadboard",
"sdr",
"shortwave"
] | One of the best ways to learn about radios is to build your own, even in the age of cheap SDR dongles. [Aniss Oulhaci] demonstrates this with a simple
HF SDR receiver built on a breadboard
.
The receiver takes the form of a simplified Tayloe detector. An
RF preamp circuit
amplifies the signal from a
shortwave antenna
a... | 20 | 8 | [
{
"comment_id": "6506668",
"author": "Michael Black",
"timestamp": "2022-08-26T08:04:29",
"content": "The Tayloe mixer derives from the commutating filter. I saw the filter in the first ham magazine I ever saw, QST for April 1971. And while I saw later articles promiting the concept, I don’t reme... | 1,760,372,588.575886 | ||
https://hackaday.com/2022/08/25/buy-the-right-to-build-a-nakagin-tower-anywhere/ | Buy The Right To Build A Nakagin Tower Anywhere | Jenny List | [
"History",
"News"
] | [
"architecture",
"futurism",
"housing",
"modernism",
"modular housing"
] | We’re guessing that among Hackaday’s readership are plenty of futurists, and while the past might be the wrong direction in which to look when considering futurism, we wouldn’t blame any of them for hankering for the days when futurism was mainstream.
Perhaps one of the most globally iconic buildings of that era could ... | 41 | 13 | [
{
"comment_id": "6506640",
"author": "TG",
"timestamp": "2022-08-26T05:50:47",
"content": "Oh yes we will see more pods to live in. Like the “dog cages” of Hong Kong. Plenty.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6506650",
"author": "Klaus S... | 1,760,372,588.770107 | ||
https://hackaday.com/2022/08/25/objective-hotend-performance-measurement-is-hard/ | Objective Hotend Performance Measurement Is Hard | Danie Conradie | [
"3d Printer hacks"
] | [
"3d printer extruder",
"high flow nozzle",
"hotend"
] | Evaluating the performance of 3D printers and component upgrades is a more difficult than it may seem at first glance, and subjective observations can lead to incorrect conclusions. To objectively determine the maximum flow rates of different FDM 3D printer hotends, [MirageC]
is developing a robust testing standard bac... | 9 | 7 | [
{
"comment_id": "6506651",
"author": "Jeff Ramble",
"timestamp": "2022-08-26T06:40:19",
"content": "Stefan at CNC kitchen has done a lot of work on this topic, not just hot ends but nozzles as well.https://www.youtube.com/c/CNCKitchen.",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,372,588.8159 | ||
https://hackaday.com/2022/08/25/a-self-spinning-tennis-ball-to-surprise-your-opponent/ | A Self-Spinning Tennis Ball To Surprise Your Opponent | Robin Kearey | [
"Games",
"Misc Hacks"
] | [
"flexible filament",
"spin",
"tennis ball"
] | In many ball sports like golf, football and tennis, controlling the ball’s spin is an important skill. Expert players can make golf balls curve around obstacles, launch footballs towards goal posts from impossible angles, or confuse their opponents by making a tennis ball bounce in a completely unexpected direction.
[L... | 6 | 4 | [
{
"comment_id": "6506563",
"author": "rclark",
"timestamp": "2022-08-26T01:15:33",
"content": "Neat … but don’t understand a word he says….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6506569",
"author": "Paul",
"timestamp": "2022-08-26T01... | 1,760,372,588.933729 | ||
https://hackaday.com/2022/08/25/multispectral-imaging-system-built-with-raspberry-pi/ | Multispectral Imaging System Built With Raspberry Pi | Lewin Day | [
"Raspberry Pi"
] | [
"multispectral",
"multispectral imaging",
"raspberry pi"
] | Multispectral imaging can be a useful tool, revealing all manner of secrets hidden to the human eye. [elad orbach] built a rig to perform such imaging
using the humble Raspberry Pi.
The project is built inside a dark box which keeps outside light from polluting the results. A camera is mounted at the top to image speci... | 10 | 6 | [
{
"comment_id": "6506817",
"author": "Comedicles",
"timestamp": "2022-08-26T16:18:51",
"content": "I wonder if this technique should have a name like Multi-Spectral Illumination Imaging? It isn’t the same as spectral slices of something illuminated by a continuous source.(Dear headline writer: IIRC ... | 1,760,372,588.868764 | ||
https://hackaday.com/2022/08/25/pi-pico-gives-its-life-for-overclocking/ | Pi Pico Gives Its Life For Overclocking | Al Williams | [
"Microcontrollers"
] | [
"overclocking",
"Raspberry Pi Pico"
] | How fast can a Raspberry Pi Pico go? Well,
apparently the answer is 1 GHz
if you freeze it and give it over twice the voltage it normally gets. Oh, one catch. After a few minutes, the chip will fry itself.
That’s the results reported by [David] who took a Peltier cooler and a pretty serious over-voltage. The dhrystone ... | 14 | 4 | [
{
"comment_id": "6506407",
"author": "Frankel",
"timestamp": "2022-08-25T18:42:31",
"content": "Ethanol/Methanol + dry ice should be -78°C. I’d be worried LN2 being too volatile to stick much to the chiplet.Acetone would probably damage the epoxy, so it is ruled out.",
"parent_id": null,
"de... | 1,760,372,588.982273 | ||
https://hackaday.com/2022/08/25/tech-in-plain-sight-rain-sensing-wipers/ | Tech In Plain Sight: Rain-Sensing Wipers | Al Williams | [
"car hacks",
"Hackaday Columns"
] | [
"sensors",
"wipers"
] | While it is definitely a first-world problem that you don’t want to manually turn on your windshield wipers when it starts raining, it is also one of those things that probably sounds easier to solve than it really is. After all, you can ask a four-year-old if it is raining and expect a reasonable answer. But how do yo... | 38 | 17 | [
{
"comment_id": "6506376",
"author": "Jack",
"timestamp": "2022-08-25T17:20:29",
"content": "Cool tech. I did know it was optical sensors, but I didn’t know it was based on the way water on the surface changes the way light reflects internally. That’s a pretty ingenious way of going about it. A dry ... | 1,760,372,589.064146 | ||
https://hackaday.com/2022/08/22/optimising-a-rc-tilt-rotor-vtol/ | Optimising An RC Tilt-Rotor VTOL | Danie Conradie | [
"drone hacks"
] | [
"dRehmFlight",
"tom stanton",
"vtol"
] | There are a variety of possible motor configurations to choose from when building a fixed-wing VTOL drone, but few take the twin-motor tilt-rotor approach used by the V-22 Osprey. However, it remains a popular DIY drone for fans of the military aircraft, like [Tom Stanton]. He recently built his
5th tilt-rotor VTOL
and... | 14 | 8 | [
{
"comment_id": "6505377",
"author": "U",
"timestamp": "2022-08-22T20:07:57",
"content": "The v22 is the closest we have to a transformer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6505380",
"author": "Mel",
"timestamp": "2022-08-22T20:11:56",
... | 1,760,372,589.227446 | ||
https://hackaday.com/2022/08/22/small-combat-robots-pack-a-punch-in-antweight-division/ | Small Combat Robots Pack A Punch In Antweight Division | Donald Papp | [
"Robots Hacks"
] | [
"3d printed",
"antweight",
"combat robot",
"rc"
] | Two robots enter, one robot leaves! Combat robotics are a fantastic showcase of design and skill, but the mechanical contenders don’t
have
to be big, heavy, and expensive. There is an Antweight division for combat robots in which most contenders weigh a mere 150 grams, and
[Harry Makes Things] shows off four participan... | 6 | 3 | [
{
"comment_id": "6505430",
"author": "Gryd3",
"timestamp": "2022-08-23T00:44:38",
"content": "If anyone has a plug-in or solution to amp up the audio of this clip without cranking all my volume settings to 100% it would be appreciated.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,589.273801 | ||
https://hackaday.com/2022/08/22/a-brief-history-of-drywall-or-how-drywall-came-to-dominate-the-world-of-construction/ | A Brief History Of Drywall Or: How Drywall Came To Dominate The World Of Construction | Lewin Day | [
"Hackaday Columns",
"home hacks",
"Slider"
] | [
"construction",
"construction materials",
"Drywall",
"gyprock",
"gypsum"
] | Drywall is common and ubiquitous in commercial and residential buildings today. Many of us barely think about it until we have to repair a hole smashed in it.
However, drywall has not been around forever, and actually took many years to establish itself as a popular building material. Today, we’ll look at how it came a... | 106 | 25 | [
{
"comment_id": "6505311",
"author": "Ostracus",
"timestamp": "2022-08-22T17:25:54",
"content": "“It can also be a haven for mold, thanks in part due to the paper layer acting as a food source. Its semi-porous nature means such occurances generally require complete replacement. Water damage is a dry... | 1,760,372,589.673521 | ||
https://hackaday.com/2022/08/22/superconference-2022-hack-chat/ | Superconference 2022 Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday,
August 24
August 31 at noon Pacific for the
Superconference 2022 Hack Chat
!
[
Sorry folks — due to a scheduling snafu, we’ve got to push this off a week. — ed
]
To say that a lot of water has passed under the bridge since 2019 is something of an understatement. When last we met as a group, in Pas... | 6 | 5 | [
{
"comment_id": "6505848",
"author": "Nicolas Tremblay",
"timestamp": "2022-08-24T14:07:30",
"content": "I hope that they’ll still keep a big online presence. I loved both Remoticons and would like to participate again.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment... | 1,760,372,589.319559 | ||
https://hackaday.com/2022/08/22/magic-mirror-isnt-transparent-metal/ | Magic Mirror Isn’t Transparent Metal | Al Williams | [
"Science"
] | [
"Magic Mirror",
"mirror",
"optics"
] | One of the Star Trek movies has a McGuffin called “transparent aluminum.” While
magic mirrors
aren’t really transparent, it appears that way to a casual observer. If you haven’t seen one of these, they are polished metal mirrors with a pattern embossed on the back. When you shine a point source of light on the mirror, ... | 20 | 12 | [
{
"comment_id": "6505284",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-22T15:46:00",
"content": "It has been Known for years that even if you grind the serial numbers off of a piece of metal (engine block, gun, etc.) the numbers can still be recovered through stresses made... | 1,760,372,589.377357 | ||
https://hackaday.com/2022/08/22/unpacking-the-stowaway-science-aboard-artemis-i/ | Unpacking The Stowaway Science Aboard Artemis I | Tom Nardi | [
"Current Events",
"Featured",
"Interest",
"Original Art",
"Space"
] | [
"Artemis I",
"artemis program",
"nasa",
"orion",
"sls",
"Space Launch System"
] | NASA’s upcoming Artemis I mission represents a critical milestone on the space agency’s path towards establishing a sustainable human presence on the Moon. It will mark not only the first flight of the massive Space Launch System (SLS) and its Interim Cryogenic Propulsion Stage (ICPS), but will also test the ability of... | 40 | 8 | [
{
"comment_id": "6505253",
"author": "Pat",
"timestamp": "2022-08-22T14:33:00",
"content": "“no special treatment or consideration will be given to these craft. If a decision needs to be made that will save the Orion at the expense of the secondary payloads, there’s no question which way it will go.... | 1,760,372,589.517252 | ||
https://hackaday.com/2022/08/22/is-this-the-oldest-open-source-hvac-project-in-existence/ | Is This The Oldest Open Source HVAC Project In Existence? | Dave Rowntree | [
"home hacks"
] | [
"air conditioning",
"esphome",
"heating",
"Heating Ventilation and Air Conditioning",
"hvac",
"mqtt",
"raspberry pi",
"ventilation",
"xbee"
] | Homebrew HVAC systems are one of those projects that take such a big investment of time, effort and money that you’ve got to be a really dedicated (ideally home-owning) hacker with a wide variety of multidisciplinary skills to pull off an implementation that can work in reality. One such HVAC hacker is [Vadim Tkachenko... | 19 | 9 | [
{
"comment_id": "6505206",
"author": "wibble",
"timestamp": "2022-08-22T11:11:57",
"content": "Not a hope, as you well know – and shameful clickbait. Steve Ciarcia’s Circuit Cellar HVAC/home automation system “HCSII” predates this to 1992. I think the original HCS dates back to somewhere post 1985."... | 1,760,372,589.431861 | ||
https://hackaday.com/2022/08/22/ssb-in-your-pocket/ | SSB In Your Pocket | Al Williams | [
"Wireless Hacks"
] | [
"shortwave",
"single-sideband",
"ssb"
] | In the old days, a shortwave radio was a major desk fixture. These days, you can get truly diminutive radios. However, most of them only have AM capability (that is, no simple way to receive single-sideband or SSB signals) and — maybe — the ability to pick up FM broadcast. Small radios also often have no provision fo... | 66 | 26 | [
{
"comment_id": "6505187",
"author": "ty5tg",
"timestamp": "2022-08-22T09:11:57",
"content": "how using this in arduino or esp?i need read data from any band from this dev and digital signal",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6505315",
"a... | 1,760,372,589.777169 | ||
https://hackaday.com/2022/08/21/an-ascii-terminal-like-its-1974/ | An ASCII Terminal Like It’s 1974 | Jenny List | [
"Microcontrollers",
"Retrocomputing"
] | [
"ASCII",
"serial terminal",
"terminal"
] | It’s quite probable that any of you who have built a keyboard will have done so using a matrix of keys connected to a microcontroller, or if you are old-school, a microprocessor. A CPU can scan the keyboard matrix with ease, and pass whatever is typed either to whatever software it is running, or to a host computer. Th... | 10 | 4 | [
{
"comment_id": "6505167",
"author": "Missing Link",
"timestamp": "2022-08-22T06:08:09",
"content": "“ here’s one from earlier this year”Should there be a link here?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6505178",
"author": "Elliot Williams"... | 1,760,372,589.817959 | ||
https://hackaday.com/2022/08/21/better-3d-printing-via-chemistry/ | Better 3D Printing Via Chemistry? | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"abs",
"acetone",
"stefa"
] | If you have problems getting a 3D print to stick to the bed, you might consider using glue to — hopefully temporarily — attach the print to the bed. In addition, some plastics glue together well if you use a solvent. [Stefan] asks the question:
What if you use solvent to glue each layer of a 3D print to the previous la... | 8 | 5 | [
{
"comment_id": "6505142",
"author": "theRainHarvester on YouTube",
"timestamp": "2022-08-22T02:36:30",
"content": "Nice “fail”. There should be a website dedicated to “attempts”. It would avoid redundant experimenting….then again, maybe seemingly inconsequential differences would lead to a succes... | 1,760,372,589.864781 | ||
https://hackaday.com/2022/08/21/hackaday-links-august-21-2022/ | Hackaday Links: August 21, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"5400-rpm",
"apollo",
"bacon",
"decoder",
"EAS",
"emergency",
"emergency alert system",
"exploit",
"hackaday links",
"hdd",
"mushroom",
"mycelium",
"resonance",
"side channel attack",
"stage separation",
"ullage"
] | As side-channel attacks go, it’s one of the weirder ones we’ve heard of. But the tech news was filled with stories this week about how
Janet Jackson’s “Rhythm Nation” is actually a form of cyberattack
. It sounds a little hinky, but apparently this is an old vulnerability, as it was first noticed back in the days when ... | 3 | 2 | [
{
"comment_id": "6505132",
"author": "Michael Black",
"timestamp": "2022-08-22T00:13:46",
"content": "In Ice Station Zebra, they missed snagging the camera as it came to earth. But the russians grab it, and send it skyward with a balloon, where a jet plane is supposed to snag it. Except Rock Hudson... | 1,760,372,589.907968 | ||
https://hackaday.com/2022/08/21/drastic-plastic-enclosure-rebuild-uses-donor-material/ | Drastic Plastic: Enclosure Rebuild Uses Donor Material | Kristina Panos | [
"Repair Hacks"
] | [
"amplifier",
"plastic welding",
"relief"
] | Although 3D printers are great, people tend to use them as a universal hammer wherein almost everything becomes a nail that’s just begging to be struck. So as hacker appetites become finicky with the same old fare, it’s refreshing to see an enclosure restoration done in such an old-school fashion. To wit:
[Doidão Santo... | 10 | 4 | [
{
"comment_id": "6505131",
"author": "Saabman",
"timestamp": "2022-08-22T00:08:53",
"content": "I must do some more investigating this technique- I’ve never had satisfactory results trying to melt plastics together for repairs . I don’t have much success getting good penetration on the join.",
"... | 1,760,372,589.960688 | ||
https://hackaday.com/2022/08/21/knight-rider-keeps-on-truckin/ | Knight Rider Keeps On Truckin’ | Adam Fabio | [
"classic hacks",
"Transportation Hacks"
] | [
"KITT",
"knight rider",
"Knight Rider Historians",
"larson scanner",
"The Hoff"
] | [AJ] and [Joe], collectively the [Knight Rider Historians] are
bringing back one of the most iconic vehicles of the 1980’s
. Everyone remembers KITT driving into the F.L.A.G. truck. Even the Mythbusters re-enacted the stunt back in 2007. The duo managed to track down the original tractor and trailer from the show for r... | 39 | 10 | [
{
"comment_id": "6505069",
"author": "Matt Cramer",
"timestamp": "2022-08-21T17:44:46",
"content": "Now I have to wonder – did the racing crew ever try to recreate the driving into the trailer stunt? If they knew the trailer’s history and the mechanism still worked, how could they resist?",
"par... | 1,760,372,590.045322 | ||
https://hackaday.com/2022/08/21/clover-computer-a-modern-z8000-cp-m-machine/ | Clover Computer: A Modern Z8000 CP/M Machine | Chris Lott | [
"Microcontrollers"
] | [
"16-bit",
"retro",
"z8000",
"zilog"
] | Seeing some old Zilog 16-bit chips on eBay recently, [Scott Baker] was curious enough to snap them up and
build himself a Z8000 computer
. It started as a two-board solution, then he added a display module. Instead of layering the boards vertically à la a PC/104 stack, [Scott] decided to build them flat. His first back... | 20 | 8 | [
{
"comment_id": "6505034",
"author": "Stephen",
"timestamp": "2022-08-21T14:33:38",
"content": "No, I have never worked with a Z8000. In case anyone is interested, though, there’s a Z8000 computer (a Zilog System 8000) for sale on Ebay at the moment:https://www.ebay.co.uk/itm/234662720325?hash=item3... | 1,760,372,590.204282 | ||
https://hackaday.com/2022/08/21/why-didnt-we-think-of-making-a-remote-trigger-button/ | Why Didn’t We Think Of Making A Remote Trigger Button? | Jenny List | [
"hardware"
] | [
"oscilloscope",
"remote trigger",
"trigger"
] | One of the many functions a digital oscilloscope offers over its analog ancestors is a trigger button. Alongside the usual electronic means of triggering the instrument, you can reach over and press a button to “freeze-frame” the action and preserve the trace. Sometimes doing it repeatedly it can become a chore to reac... | 44 | 16 | [
{
"comment_id": "6504975",
"author": "iliasam",
"timestamp": "2022-08-21T11:10:50",
"content": "I really don’t understand why oscilloscope manufacturers do not include such feature into their the high-priced probes.While megohmmeter insulation meters already have such feature: “TP165X probe” is an e... | 1,760,372,590.290903 | ||
https://hackaday.com/2022/08/21/blog-title-optimizer-uses-ai-but-how-well-does-it-work/ | Blog Title Optimizer Uses AI, But How Well Does It Work? | Donald Papp | [
"Artificial Intelligence",
"Software Hacks"
] | [
"ai",
"GPT-3",
"hacker news",
"headlines",
"machine learning",
"openai",
"writing"
] | [Max Woolf] sometimes struggles to create ideal headlines for his blog posts, and decided to apply his experience with machine learning to the problem. He asked:
could an AI be trained to optimize his blog titles
? It is a fascinating application of natural language processing, and [Max] explains all about what it does... | 11 | 5 | [
{
"comment_id": "6504944",
"author": "R",
"timestamp": "2022-08-21T08:36:24",
"content": "“A robot just created this headline, now everybody is raging.”“AI created these words, and you won’t believe what happened next.”These came from my AI clickbait generator, which I use to train journalists.",
... | 1,760,372,590.395332 | ||
https://hackaday.com/2022/08/20/picostepseq-is-small-but-perfectly-formed/ | PicoStepSeq Is Small But Perfectly Formed | Jenny List | [
"Musical Hacks"
] | [
"midi",
"midi sequencer",
"Raspberry Pi Pico"
] | The Raspberry Pi Pico is what you might call the board of the moment, thanks to its combination of affordability, features, and continued availability during the component shortage. We have seen plenty of great projects using it, and the latest to float past is [todbot]’s
PicoStepSeq, an extremely compact MIDI sequence... | 18 | 9 | [
{
"comment_id": "6504966",
"author": "just passing",
"timestamp": "2022-08-21T10:14:46",
"content": "“Paspberry Pi Pico”? I know Hackaday adores its alliterations, but…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6505973",
"author": "Kristina Pano... | 1,760,372,590.340891 | ||
https://hackaday.com/2022/08/20/batteries-get-tiny/ | Batteries Get Tiny | Al Williams | [
"News",
"Science"
] | [
"battery",
"nanotechnology"
] | Steve Martin had a comedy routine that focused on the idea of “getting small.” That probably didn’t inspire the researchers at the Institute for Integrative Nanoscience when they set out to create a
sub-square-millimeter microbattery
. As you might expect, you won’t be starting your car with a battery the size of a gra... | 18 | 7 | [
{
"comment_id": "6504945",
"author": "easy",
"timestamp": "2022-08-21T08:40:20",
"content": ">these batteries do have a surprising capacity.never tells us the capacitywhere’s the reporting? May as well just put the link to the paper into a feed and forget the article.",
"parent_id": null,
"d... | 1,760,372,590.457907 | ||
https://hackaday.com/2022/08/20/deepdeck-going-beyond-the-macro-pad/ | Deepdeck: Going Beyond The Macro Pad | Jenny List | [
"Peripherals Hacks"
] | [
"api",
"keypad",
"macropad"
] | We’re used to the idea of a macropad, a small extension keyboard for your computer whose keys can be programmed to the functions of your choice. They can be made in many ways, but they all follow a similar functionality. Deepdeck from [Nick Velasquez] is another matter,
an attempt to make a macropad with functionality ... | 4 | 3 | [
{
"comment_id": "6504943",
"author": "heatgap",
"timestamp": "2022-08-21T08:19:25",
"content": "Those caps def weren’t cheap I can tell you that much!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6505112",
"author": "WallPhone",
"timestamp"... | 1,760,372,590.539874 | ||
https://hackaday.com/2022/08/20/building-a-spot-welder-from-500-junk-capacitors/ | Building A Spot Welder From 500 Junk Capacitors | Dave Rowntree | [
"Battery Hacks",
"Tool Hacks"
] | [
"capacitor",
"ESR",
"spot welder",
"supercapacitor"
] | [Kasyan TV] over on YouTube was given a pile of spare parts in reasonably large quantities, some of which were useful and allocated to specific projects, but given the given the kind of electronics they’re interested in, they couldn’t find a use for a bag of 500 or so low specification 470uF capacitors. These were not ... | 5 | 4 | [
{
"comment_id": "6504923",
"author": "PeterJ",
"timestamp": "2022-08-21T04:52:35",
"content": "By Chance a electronics magazine has such a project …. see it (partly)https://www.siliconchip.com.au/Issue/2022/March/Capacitor+Discharge+Welder%2C+part+one",
"parent_id": null,
"depth": 1,
"re... | 1,760,372,590.498623 | ||
https://hackaday.com/2022/08/20/2022-cyberdeck-contest-extruded-rig-exudes-coolness/ | 2022 Cyberdeck Contest: Extruded Rig Exudes Coolness | Kristina Panos | [
"contests",
"Cyberdecks",
"Raspberry Pi"
] | [
"2022 Cyberdeck Contest",
"aluminum extrusion",
"raspberry pi 400"
] | When we came up with the cyberdeck contest, we figured we would see all kinds of builds, and so far, y’all haven’t disappointed us. Take for instance
this tidy but post-apocalyptic build by [facelessloser]
. It has that “I used what I could find among the rubble” appeal, yet it looks so clean. Now why is that?
It must ... | 0 | 0 | [] | 1,760,372,590.907367 | ||
https://hackaday.com/2022/08/20/dream-projects-face-reality/ | Dream Projects Face Reality | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"newsletter",
"Practice",
"prototyping",
"theory"
] | Do you ever get a project stuck in your mind? An idea
so good
you just keep thinking about it? Going over iterations and options and pros and cons in the back of your mind, or maybe on paper, but having not yet subjected it to the hard work of pulling it into reality? I’ve had one of those lurking around for the last c... | 26 | 12 | [
{
"comment_id": "6504776",
"author": "wydmynd",
"timestamp": "2022-08-20T14:09:37",
"content": "we should so have a group session.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6504787",
"author": "Jack",
"timestamp": "2022-08-20T14:38:05",
"conte... | 1,760,372,590.815386 | ||
https://hackaday.com/2022/08/20/z80-single-board-computer-looks-like-it-could-have-been-a-killer-product/ | Z80 Single-Board Computer Looks Like It Could Have Been A Killer Product | Dan Maloney | [
"Retrocomputing"
] | [
"cpld",
"retrocomputing",
"vga",
"z80",
"zilog"
] | Most retrocomputer builds seem to focus on either restoring old machines or rebuilding them from scratch. Either way, the goal is to get as close as possible to the original machine, and while we certainly respect those builds, there are other ways to celebrate the computers of yesterday, as
this Z80 single-board compu... | 30 | 9 | [
{
"comment_id": "6504739",
"author": "Gravis",
"timestamp": "2022-08-20T11:20:35",
"content": "Given the era, the CPLDs would need to be merged into an ASIC.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6504759",
"author": "hartl",
"timesta... | 1,760,372,591.239525 | ||
https://hackaday.com/2022/08/20/fridge-compressor-teardown-reveals-engineering-compromises/ | Fridge Compressor Teardown Reveals Engineering Compromises | Jenny List | [
"Teardown"
] | [
"compressor",
"fridge compressor",
"lubrication"
] | Probably one of the most reliable devices you will have in your house is the refrigerator, as its compressor has the minimum of moving parts and carries its own lubrication. It’s not uncommon to find fridges many decades old still in use, and fridges are far more likely to be discarded due to broken fittings rather tha... | 108 | 27 | [
{
"comment_id": "6504706",
"author": "Frankel",
"timestamp": "2022-08-20T08:33:22",
"content": "Just a guy and his workshop and this is what I love about these videos! Simply straight to the point and enjoying the moment of finding the problem and discussing it. Sadly the “algorithm” filters such vi... | 1,760,372,591.049888 | ||
https://hackaday.com/2022/08/19/livestreaming-backpack-takes-streaming-on-the-go/ | Livestreaming Backpack Takes Streaming On-The-Go | Bryan Cockfield | [
"Wireless Hacks"
] | [
"3d printed",
"4g modem",
"battery",
"GoPro",
"heat sink",
"livestream",
"portable",
"raspberry pi",
"streaming"
] | Anyone who’s anyone on the internet these days occasionally streams content online. Whether that’s the occasional livestream on YouTube or an every day video game session on Twitch, it’s definitely a trend that’s here to stay. If you want to take your streaming session on the go, though, you’ll need some specialized ha... | 17 | 3 | [
{
"comment_id": "6504697",
"author": "Dan",
"timestamp": "2022-08-20T07:00:22",
"content": "What am I missing…? Can’t you just livestream from a phone?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6504740",
"author": "Gravis",
"timestamp": ... | 1,760,372,591.100644 | ||
https://hackaday.com/2022/08/19/keycap-shine-no-shiny-keycaps/ | Keycap Shine? No, Shiny Keycaps | Kristina Panos | [
"chemistry hacks"
] | [
"abs",
"ABS keycaps",
"ABS shine",
"acetone",
"acetone vapor",
"vapor polishing"
] | No matter how often you wash your hands, ABS keycaps will eventually exhibit shine wherever you strike them the most. And that’s the problem right there: the shine might be okay if it were somehow uniform across the surface of the keycaps, but instead it just tends to make one feel seen. And since there’s really nothin... | 34 | 12 | [
{
"comment_id": "6504665",
"author": "BrendaEM",
"timestamp": "2022-08-20T02:28:52",
"content": "Well, if the chemistry in the oils on your skin makes ABS shiny, then the Acryonitle, butadene, and styrene are getting on your hands. All three of those chemicals either causes cancer or is strongly sus... | 1,760,372,591.172942 | ||
https://hackaday.com/2022/08/19/ro%cc%86%cc%bdta-counting-with-style/ | Rŏ̽ta: Counting, With Style | Dan Maloney | [
"Misc Hacks"
] | [
"counter",
"dial",
"high voltage",
"nixie",
"rotary",
"stopwatch"
] | Rǒta counts things
. That’s it, really — what a cheap little mechanical counter does with a thumb press, or what you can do by counting on your fingers and toes, that’s pretty much all that Rǒta does. But it does it with
style
.
OK, that’s being a bit unfair to [Kevin Santo Cappuccio] — Rǒta has a few more tricks up... | 3 | 2 | [
{
"comment_id": "6504641",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-20T00:38:29",
"content": "“but sometimes looking great is good enough.”“It is better to look good, than to feel good!”-Billy Crystal as Fernando",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,372,592.994782 | ||
https://hackaday.com/2022/08/19/reverse-engineering-a-smoker/ | Reverse-Engineering A Smoker | Bryan Cockfield | [
"home hacks"
] | [
"automation",
"barbeque",
"ESP32",
"grill",
"meat",
"rotary",
"smoker"
] | In certain parts of the world, cooking meat in a regionally-specific way is a critical part of the local culture. From barbeque in the American south to boerewors and braaivleis in South Africa to Montréal smoked meat in French Canada, almost every location has its cookout specialty. So much so that various manufacture... | 3 | 2 | [
{
"comment_id": "6504647",
"author": "Criatura",
"timestamp": "2022-08-20T00:49:24",
"content": "“For a cookout that can last hours (if not days) a remotely accessible smoker like this is an invaluable tool if you want to do something other than manually monitor the temperature of your meat for that... | 1,760,372,593.129756 | ||
https://hackaday.com/2022/08/19/steamy-hack-chat-vents-some-high-pressure-wisdom/ | Steamy Hack Chat Vents Some High Pressure Wisdom | Tom Nardi | [
"Engineering",
"Hackaday Columns"
] | [
"Boiler",
"Hack Chat",
"locomotive",
"steam power"
] | Ask the average person about steam power and they’ll probably imagine a bygone era, a time when the sky was thick with smoke belched out by coal-burning locomotives and paddle-wheel ships. Steam is ancient technology they’ll say, and has as much to do with modern living as the penny-farthing.
Naturally, the real story ... | 4 | 3 | [
{
"comment_id": "6504593",
"author": "Ostracus",
"timestamp": "2022-08-19T20:36:39",
"content": "“In fact, unless you’re running on wind or solar power, there’s an excellent chance that a steam turbine is responsible for keeping the lights on in your house.”https://www.turbinegenerator.org/steam/hom... | 1,760,372,593.305197 | ||
https://hackaday.com/2022/08/19/hackaday-podcast-182-sparkpunk-photography-anti-xiomi-air-filters-and-keyfob-foibles/ | Hackaday Podcast 182: Sparkpunk Photography, Anti-Xiomi Air Filters, And Keyfob Foibles | Tom Nardi | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi are here to bring you the best stories and hacks from the previous week (and maybe a little older). Things kick off with news that the Early Bird tickets for the 2022 Hackaday Supercon tickets sold out in only two hours — a good sign that the community is ju... | 4 | 3 | [
{
"comment_id": "6504583",
"author": "Dude",
"timestamp": "2022-08-19T19:41:23",
"content": "It’s sad times when someone argues about home-made PCBs and says you can’t drill holes.What’s stopping you?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6505172",
... | 1,760,372,592.766087 | ||
https://hackaday.com/2022/08/19/tracing-in-2d-and-3d-with-hall-effect-sensors/ | Tracing In 2D And 3D With Hall Effect Sensors | Lewin Day | [
"cnc hacks"
] | [
"geometry",
"hall effect sensor",
"pantograph",
"tracing"
] | Pantographs were once used as simple mechanical devices for a range of tasks, including duplicating simple line drawings. [Tim] decided to make a modern electronic version
that spits out G-Code instead.
The design relies on a 3D-printed pantograph assembly, mounted upon a board as a base. A pair of Hall effect sensors ... | 11 | 6 | [
{
"comment_id": "6504527",
"author": "KSanger",
"timestamp": "2022-08-19T16:48:29",
"content": "Using GIMP’s Path Tool we trace lines and drawings of scanned images. Then export the paths into an SVG File. Then import the SVG file into libreCalc to convert the SVG points into lines and splines. ... | 1,760,372,593.041882 | ||
https://hackaday.com/2022/08/19/this-week-in-security-secure-boot-bypass-attack-on-titan-m-kaslr-weakness/ | This Week In Security: Secure Boot Bypass, Attack On Titan M, KASLR Weakness | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"Attack on Titan",
"KASLR",
"sonic",
"This Week in Security"
] | It’s debatable just how useful Secure Boot is for end users, but now there’s yet another issue with Secure Boot, or more specifically, a trio of signed bootloaders.
Researchers at Eclypsium have identified problems
in the Eurosoft, CryptoPro, and New Horizon bootloaders. In the first two cases, a way-too-flexible UEFI ... | 9 | 5 | [
{
"comment_id": "6504512",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-19T15:52:33",
"content": "I’m having a bit of trouble finding more about “fishworks analytics” as mentioned in the video.Is it deprecated?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,592.957265 | ||
https://hackaday.com/2022/08/19/every-frame-a-work-of-art-with-this-color-ultra-slow-movie-player/ | Every Frame A Work Of Art With This Color Ultra-Slow Movie Player | Dan Maloney | [
"Art",
"Microcontrollers"
] | [
"art",
"coprocessor",
"e-ink",
"e-paper",
"ESP-32",
"movie",
"seven-color",
"waveshare"
] | One of the more recent trendy builds we’ve seen is the slow-motion movie player. We love them — displaying one frame for a couple of hours to perhaps a full day is like an ever-changing, slowly morphing work of art. Given that most of them use monochrome e-paper displays, they’re especially suited for old black-and-whi... | 15 | 5 | [
{
"comment_id": "6504436",
"author": "Alphatek",
"timestamp": "2022-08-19T11:15:27",
"content": "My maths may be suspect, but doesn’t that mean (asssuming 24fps) that Spirited Away will take about 40 years to play?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,372,593.260996 | ||
https://hackaday.com/2022/08/19/mecanum-wheeled-robot-chassis-takes-commands-from-ps4-controller/ | Mecanum-Wheeled Robot Chassis Takes Commands From PS4 Controller | Lewin Day | [
"Robots Hacks"
] | [
"ESP32",
"mecanum",
"mecanum wheels",
"playstation 4",
"ps4",
"ps4 controller"
] | Mecanum wheels are popular choices for everything from robots to baggage handling equipment in airports. Depending on their direction of rotation, they can generate forces in any planar direction, providing for great maneuverability.
[ATOM] set about building just such a robot chassis, and learned plenty in the process... | 1 | 1 | [
{
"comment_id": "6504516",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-19T15:59:53",
"content": "For friends that don’t know what Mecanum wheels are, seeing this little ‘bot drive “sideways” should initiate a “WOW! response.",
"parent_id": null,
"depth": 1,
"re... | 1,760,372,592.805717 | ||
https://hackaday.com/2022/08/18/im-your-overlord-may-i-take-your-order/ | I’m Your Overlord, May I Take Your Order? | Al Williams | [
"Robots Hacks"
] | [
"restaurant",
"robot",
"vending machine"
] | If you’ve ever been at an eatery and thought the server was a bit robotic, you should try
San Francisco’s Mezli
. The restaurant claims to be the first one to be totally automated. There are no humans in there. The restaurant serves Mediterranean grain bowls. Honestly, it is hard to decide if
Mezli
is a restaurant or a... | 44 | 13 | [
{
"comment_id": "6504377",
"author": "Peter",
"timestamp": "2022-08-19T05:14:43",
"content": "This type of automatic “restaurant” has existed for ~40 years – in the stable for the pigs of my uncle. Three different “meals” for the different age classes each day, from up to eight components.",
"pa... | 1,760,372,593.209265 | ||
https://hackaday.com/2022/08/17/back-to-the-future-prop-can-tell-when-it-hits-88-mph/ | Back To The Future Prop Can Tell When It Hits 88 MPH | Tom Nardi | [
"Arduino Hacks",
"classic hacks"
] | [
"back to the future",
"DeLorean",
"futaba",
"prop",
"RC transmitter",
"time machine"
] | Obviously, the most iconic piece of fictional hardware from the
Back to the Future
films is Doc Brown’s DeLorean DMC-12 time machine. But we’d have to agree with [Jason Altice] of
CodeMakesItGo
that the second-most memorable gadget is the modified Futaba remote control used to control the DeLorean from a distance. Now,... | 8 | 1 | [
{
"comment_id": "6503749",
"author": "Winchester73",
"timestamp": "2022-08-17T15:26:16",
"content": "I hope Zemekis rots in hell ! He’s the reason I sold my pristine Delorean. Resisting the urge to punch someone in the face when they approach you and ask (for the billionth time) – “where’s the flux ... | 1,760,372,593.088687 | ||
https://hackaday.com/2022/08/17/coils-in-the-road-could-charge-evs-while-driving/ | Coils In The Road Could Charge EVs While Driving | Lewin Day | [
"Featured",
"Interest",
"Slider",
"Transportation Hacks"
] | [
"bus",
"car",
"electric highway",
"electric highways",
"inductive charger",
"inductive charging",
"transport",
"truck"
] | One of the primary issues with EVs is that you need to pull over and stop to get a charge. If there isn’t a high-speed DC charger available, this can mean waiting for hours while your battery tops up.
It’s been the major bugbear of electric vehicles since they started hitting the road in real numbers. However, a new wi... | 131 | 34 | [
{
"comment_id": "6503725",
"author": "r-bryan",
"timestamp": "2022-08-17T14:19:57",
"content": "Am I the only one who saw coils buried along the road and thought “linear motor”? I haven’t bothered to investigate whether linear-motor-buses would be a loony idea (or at least any loonier than any other... | 1,760,372,593.607578 | ||
https://hackaday.com/2022/08/17/did-you-see-a-john-deere-tractor-cracked-at-def-con/ | Did You See A John Deere Tractor Cracked At DEF CON? | Jenny List | [
"Repair Hacks",
"Reverse Engineering"
] | [
"DEF CON",
"john deere",
"right to repair"
] | The Internet, or at least our corner of it, has been abuzz over the last few days with the news of a DEF CON talk by [Sick.Codes] in which he demonstrated the jailbreaking of the console computer from a John Deere tractor. Sadly we are left to wait the lengthy time until the talk is made public, and for now the most s... | 6 | 4 | [
{
"comment_id": "6503677",
"author": "ono",
"timestamp": "2022-08-17T12:23:21",
"content": "That would allow a bunch of stolen tractors to avoid being dismantled for parts…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6503978",
"author": "Judy",
... | 1,760,372,593.349147 | ||
https://hackaday.com/2022/08/17/motorized-camera-mount-was-once-a-3d-printer/ | Motorized Camera Mount Was Once A 3D Printer | Sven Gregori | [
"3d Printer hacks",
"digital cameras hacks"
] | [
"Arduino Mega 2560",
"camera mount",
"dslr",
"dslr mount",
"ESP32",
"g-code",
"pan and tilt",
"RAMPS"
] | If you plan on building your own motorized camera mount, a 3D printer can definitely be of help. But in this case, [dslrdiy] didn’t use it for printing out parts — finding himself with little use for an old printer built from scrap back in the day, he decided to repurpose it and turn it into a
remote controlled DSLR ca... | 1 | 1 | [
{
"comment_id": "6503713",
"author": "Hassi",
"timestamp": "2022-08-17T13:47:11",
"content": "Ohhh, he meant “Focus Motor”…. Don’t ask what I heard xD",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,593.847042 | ||
https://hackaday.com/2022/08/16/usb-c-charging-mod-brings-in-the-juice/ | USB-C Charging Mod Brings In The Juice | Jenny List | [
"Peripherals Hacks"
] | [
"usb",
"USB C",
"USB Power"
] | By now we’re well under way with the consolidation of low-voltage power supplies under the USB-C standard, and the small reversible connector has become the
de facto
way to squirt some volts into our projects. But for all this standardization there are still a few places where the harmony of a unified connector breaks ... | 13 | 7 | [
{
"comment_id": "6503620",
"author": "mime",
"timestamp": "2022-08-17T05:59:49",
"content": "nice one!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6503625",
"author": "RobHeffo",
"timestamp": "2022-08-17T06:29:23",
"content": "Oh neat. I got a s... | 1,760,372,593.809438 | ||
https://hackaday.com/2022/08/16/squareboi-is-the-diy-game-boy-cart-youve-always-wanted/ | SquareBoi Is The DIY Game Boy Cart You’ve Always Wanted | Lewin Day | [
"Nintendo Game Boy Hacks",
"Nintendo Hacks"
] | [
"game boy",
"game boy hacks",
"nintendo",
"Nintendo Game Boy"
] | Running unofficial code on a Nintendo Game Boy has long been a solved problem. However, you still need a way to get that code onto the handheld console. The Squareboi cartridge promises to do just that,
as created by [ALXCO-Hardware]
.
It’s a well-featured cartridge, with up to 4 MB of ROM storage onboard. It also feat... | 16 | 5 | [
{
"comment_id": "6503589",
"author": "Josiah Gould",
"timestamp": "2022-08-17T02:32:58",
"content": "FeRAM is a great addition. I really like that I can go back to my Sonic & Knuckles saves years or decades later and know that my save is intact. I had to backup my wifes Pokemon Yellow save before sw... | 1,760,372,593.903336 | ||
https://hackaday.com/2022/08/16/halloween-mirror-offers-a-mighty-fright/ | Halloween Mirror Offers A Mighty Fright | Lewin Day | [
"Holiday Hacks"
] | [
"halloween",
"Halloween hacks",
"holiday hacks"
] | Jump scares are controversial in the horror world, whether you’re talking about movies or video games. You can bring that same irritating thrill into real life, too,
with this Halloween mirror from [jasonwinfieldnz].
During the day, or simply when it’s bright inside, the mirror appears normal, like any other. However, ... | 22 | 3 | [
{
"comment_id": "6503576",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-17T01:20:09",
"content": "“such as a skull or an annoying yellow cartoon character”SpongeBob?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6503661",
"... | 1,760,372,593.965559 | ||
https://hackaday.com/2022/08/18/the-tools-to-fight-against-single-use-plastic/ | The Tools To Fight Against Single-Use Plastic | Kristina Panos | [
"Tool Hacks"
] | [
"die-cast",
"forging",
"laser-cut tools",
"plastic",
"single-use plastic"
] | Imagine for a moment that you design products for a living. But you can’t design all the things, so you have to buy some of your stuff from big-box stores just to go about your everyday life. This is more or less what happened to [Eric Strebel], who recently bought a bathroom faucet from IKEA. This particular flat-pack... | 91 | 28 | [
{
"comment_id": "6504360",
"author": "James",
"timestamp": "2022-08-19T03:28:52",
"content": "Interesting, but I think this is the wrong solution; the right solution being “supply your own non-disposable tool”. Well made tools last a lifetime or even longer, and they rarely become outdated. There’s ... | 1,760,372,594.304937 | ||
https://hackaday.com/2022/08/18/lcd-monitor-plays-the-hits/ | LCD Monitor Plays The Hits | Al Williams | [
"Misc Hacks",
"Musical Hacks"
] | [
"tempest",
"van eck"
] | In the old days, it wasn’t uncommon to put an AM radio near a computer or a monitor and deliberately cause interference to have a crude form of sound generation. Did you miss out on that? No! Thanks to [luambfb] you can now
do the same trick with a common LCD monitor
. You’ll need the horizontal refresh rate of the mon... | 1 | 1 | [
{
"comment_id": "6524934",
"author": "Nick",
"timestamp": "2022-10-26T14:03:51",
"content": "Cool! Bookmarked.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,594.005957 | ||
https://hackaday.com/2022/08/18/angled-drill-guide-helps-you-with-those-tricky-holes/ | Angled Drill Guide Helps You With Those Tricky Holes | Lewin Day | [
"Tool Hacks"
] | [
"drill",
"drill guide",
"power drill",
"tool hacks",
"tools"
] | If you’ve ever tried to drill a hole on an angle with a power drill, you’ve probably drilled some pretty shocking holes. To do it right, you really need some mechanical assistance,
and this jig from [Kartik_Nandrui] should do the trick.
The device uses a guide that sits on the surface to be drilled, with a pair of angl... | 18 | 8 | [
{
"comment_id": "6504272",
"author": "TG",
"timestamp": "2022-08-18T20:26:51",
"content": "Psst… glue a protractor to the side",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6504274",
"author": "Jon Mayo",
"timestamp": "2022-08-18T20:29:21",
"conte... | 1,760,372,594.175381 | ||
https://hackaday.com/2022/08/18/put-3d-metal-printing-services-to-the-test-by-making-a-watch/ | Put 3D Metal Printing Services To The Test, By Making A Watch | Jenny List | [
"3d Printer hacks"
] | [
"metal 3d print",
"sls",
"wristwatch"
] | Have you ever been tempted by those metal 3D printing services? [Carter Hurd] has,
and puts them to the test with a wristwatch
. (Video, embedded below.)
It’s fair to say that among Hackaday readers you will find a very high percentage of 3D printer ownership compared to the general population, but for most of us that ... | 17 | 7 | [
{
"comment_id": "6504252",
"author": "David",
"timestamp": "2022-08-18T18:52:56",
"content": "Bloody clickbait :PYou printed a WATCH CASE… NOT A WATCH. World of difference. Even an entry level SLA printer can manage a super high quaity watch case (Albeit in resin,but castable resins mean you can act... | 1,760,372,594.357544 | ||
https://hackaday.com/2022/08/18/cute-nfl-standings-tracker-uses-little-mini-helmets/ | Cute NFL Standings Tracker Uses Little Mini Helmets | Lewin Day | [
"Robots Hacks"
] | [
"american football",
"football",
"mini helmets",
"NFL",
"sports",
"stepper motor"
] | If you’re a die-hard sports fan, there’s nothing you love more than staying abreast of developments in the league, from top to bottom. [Kiu] had a family member that was big into NFL, so set about building them
a remarkably cool ladder tracker.
The tracker displays the NFL league table with a ten-minute delay, thanks t... | 20 | 9 | [
{
"comment_id": "6504191",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-18T16:25:28",
"content": "There are some teams where you just glue a stack of their helmets in the Last Place position, saving the trouble of moving them.B^)",
"parent_id": null,
"depth": 1,
... | 1,760,372,594.417464 | ||
https://hackaday.com/2022/08/18/bufferbloat-the-internet-and-how-to-fix-it/ | Bufferbloat, The Internet, And How To Fix It | Jonathan Bennett | [
"Featured",
"Interest",
"internet hacks",
"Network Hacks",
"Slider"
] | [
"bandwidth",
"Bufferbloat",
"internet",
"latency",
"openwrt",
"TCP",
"tcp/ip"
] | There’s a dreaded disease that’s plagued Internet Service Providers for years. OK, there’s probably several diseases, but today we’re talking about
bufferbloat
. What it is, how to test for it, and finally what you can do about it. Oh, and a huge shout-out to all the folks working on this problem. Many programmers and ... | 48 | 18 | [
{
"comment_id": "6504154",
"author": "Truth",
"timestamp": "2022-08-18T15:04:05",
"content": "I was prioritizing TCP ACK’s to speed up my internet access. (ref:https://www.benzedrine.ch/ackpri.html). Of course if everyone did that *ponder*, I’m not quite sure what the overall outcome would be.",
... | 1,760,372,594.520127 | ||
https://hackaday.com/2022/08/18/esp8266-smart-vents-keep-tabs-on-home-temps/ | ESP8266 Smart Vents Keep Tabs On Home Temps | Tom Nardi | [
"home hacks",
"Microcontrollers"
] | [
"home automation",
"hvac",
"mqtt",
"smart home"
] | Have you ever found that, despite having a central heating and air conditioning system, that not all the rooms in your home end up being the temperature you want them to be? Maybe the dining room gets too hot when the heater is running, or the bedroom never seems to cool off enough in the summer months. If that sounds ... | 50 | 14 | [
{
"comment_id": "6504077",
"author": "sxmwht",
"timestamp": "2022-08-18T11:02:28",
"content": "Really nice",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6504080",
"author": "Doobie",
"timestamp": "2022-08-18T11:10:56",
"content": "Living in a 3000... | 1,760,372,594.611653 | ||
https://hackaday.com/2022/08/16/revamping-the-camping-trailer-with-more-power/ | Revamping The Camping Trailer With More Power | Matthew Carlson | [
"Transportation Hacks"
] | [
"bike camping",
"camping",
"camping trailer",
"ebike",
"solar"
] | Pulling a trailer behind your bike has an aspect of freedom and exploration to it. However, the reality is that pulling a large, heavy box behind your bike is incredibly draining physically. So [Drew] returned to the drawing board for his
bike camper and added a motor, making some tweaks along the way
.
We
covered his ... | 13 | 6 | [
{
"comment_id": "6503505",
"author": "X",
"timestamp": "2022-08-16T20:13:07",
"content": "My friend was told by the cops that he needed a license plate and insurance for his bicycle trailer. Trailers need a plate and insurance, no matter what is pulling them. (His trailer is full lane width, actual... | 1,760,372,594.66046 | ||
https://hackaday.com/2022/08/16/2022-hackaday-prize-talking-clock-built-with-old-school-gear/ | 2022 Hackaday Prize: Talking Clock Built With Old-School Gear | Lewin Day | [
"clock hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"clock",
"speech synth",
"speech synthesis",
"talking clock"
] | Any smartphone or laptop could be a talking clock if you wished it so. However, we think this build from [Marek Więcek] is more fun, which uses discrete vintage chips to get the job done
the old fashioned way
.
The work started when [Marek] was tinkering with a 65C02 CPU, giving it an EPROM, some RAM, and some logic IC... | 2 | 2 | [
{
"comment_id": "6503527",
"author": "Craig",
"timestamp": "2022-08-16T21:26:17",
"content": "I guess you have to be a certain age to already know the dialect. :D Very cool project.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6503595",
"author": "Lily",... | 1,760,372,594.697126 | ||
https://hackaday.com/2022/08/16/ask-hackaday-how-can-you-store-energy-at-home/ | Ask Hackaday: How Can You Store Energy At Home? | Maya Posch | [
"green hacks",
"Hackaday Columns",
"home hacks",
"Slider"
] | [
"heat pumps",
"home energy storage",
"pv solar"
] | Amidst the discussions about grid-level energy storage solutions, it is often easy to forget that energy storage can be done on the level of a single house or building as well. The advantages here are that no grid management is needed, with the storage (electrical, thermal, etc.) absorbing the energy as it becomes avai... | 156 | 31 | [
{
"comment_id": "6503394",
"author": "Nick",
"timestamp": "2022-08-16T17:03:09",
"content": "Fun fact: If you have a 24¢ delta between peak and off-peak then the payback on a Tesla PowerWall is 7 years doing nothing but ToU arbitrage.",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,372,595.360997 | ||
https://hackaday.com/2022/08/16/this-simple-media-player-will-inspire-beginners-and-invite-experimentation/ | This Simple Media Player Will Inspire Beginners And Invite Experimentation | Dan Maloney | [
"Microcontrollers",
"Video Hacks"
] | [
"audio",
"ESP32",
"lcd",
"media player",
"sd",
"video",
"WROOM"
] | While it would have been considered science-fiction just a few decades ago, the ability to watch virtually any movie or TV show on a little slab that fits in your pocket is today no big deal. But for an electronics beginner, being able to put together
a pocketable video player like this one
would be quite exciting, and... | 4 | 4 | [
{
"comment_id": "6503411",
"author": "David",
"timestamp": "2022-08-16T17:33:12",
"content": "Dread to think of the power draw, run time of 30 mins on a 2kg battery? :P",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6503424",
"author": "Joshua",
"times... | 1,760,372,594.889926 | ||
https://hackaday.com/2022/08/16/why-do-brits-drink-warm-beer/ | Why Do Brits Drink Warm Beer? | Jenny List | [
"Beer Hacks",
"Featured",
"Interest",
"Slider"
] | [
"ale",
"brewing",
"lager",
"yeast"
] | Traveling through mainland Europe on a British passport leads you to several predictable conversations. There’s
Marmite
of course, then all the fun of the Brexit fair, and finally on a more serious note, beer. You see, I didn’t know this, but after decades of quaffing fine ales, I’m told we do it wrong because we drink... | 152 | 26 | [
{
"comment_id": "6503311",
"author": "SayWhat?",
"timestamp": "2022-08-16T14:12:00",
"content": "Long ago I learned that the best beer is Free Beer.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6503395",
"author": "GAHNOO-SLASH-FREEDOM",
"t... | 1,760,372,595.560756 | ||
https://hackaday.com/2022/08/16/discreet-co2-monitor-hides-elegant-internal-layout/ | Discreet CO2 Monitor Hides Elegant Internal Layout | Tom Nardi | [
"home hacks",
"Microcontrollers"
] | [
"3D printed en",
"co2",
"environmental monitoring",
"ws2812b"
] | Outwardly, this
sleek CO2 monitor designed by [Daniel Gernert]
might look like something cooked up in Amazon’s consumer electronics division. But open up that 3D printed case, and you’ll find a surprisingly low parts count that’s been cleverly packed in so as to make the most of the enclosure’s meager internal dimensio... | 6 | 6 | [
{
"comment_id": "6503389",
"author": "Miles",
"timestamp": "2022-08-16T16:51:53",
"content": "Way to Lede with a pun. I see what you did there. Discrete",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6503510",
"author": "AggregatVier",
"timestamp": "... | 1,760,372,594.936043 | ||
https://hackaday.com/2022/08/16/recreating-doom-on-a-homebrew-8-bit-cpu/ | RecreatingDOOMOn A Homebrew 8-Bit CPU | Lewin Day | [
"computer hacks",
"Software Development"
] | [
"8 bit",
"doom"
] | [James Sharman] has been working away on a 8-bit CPU of his own design. Naturally, with his computing device largely functional, the obvious question was asked: can it run
DOOM
? [James’] latest video explores this question,
showing just how close he was able to get.
[James’] 8-bit pipelined CPU also has its own UART, ... | 14 | 8 | [
{
"comment_id": "6503279",
"author": "Ale",
"timestamp": "2022-08-16T11:39:58",
"content": "Homebrew CPUs are something special",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6503281",
"author": "Phil Ashby",
"timestamp": "2022-08-16T11:59:38",
"co... | 1,760,372,595.050151 | ||
https://hackaday.com/2022/08/15/sputtering-daugerotypes-batman/ | Sputtering Daguerreotypes, Batman! | Elliot Williams | [
"Art",
"classic hacks",
"High Voltage"
] | [
"camera",
"daguerrotype",
"high voltage",
"magnetron",
"sputtering",
"vacuum"
] | The Daguerreotype was among the earliest photographic processes, long before glass plates or film, that relied on sensitizing a thin layer of silver on top of a copper plate. The earliest Daguerreotype plates were made physically, by rolling a copper-silver plate thinner and thinner until the silver layer was just righ... | 14 | 5 | [
{
"comment_id": "6503089",
"author": "greg",
"timestamp": "2022-08-15T14:38:48",
"content": "Begorrah!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6503101",
"author": "RunnerPack",
"timestamp": "2022-08-15T15:18:24",
"content": "Very impressive!... | 1,760,372,594.993855 | ||
https://hackaday.com/2022/08/15/diy-led-bulb-lacks-correct-lugs-so-m3-bolts-to-the-rescue/ | DIY LED Bulb Lacks Correct Lugs, So M3 Bolts To The Rescue | Donald Papp | [
"LED Hacks"
] | [
"12 V",
"diy",
"GU10",
"LED lamp",
"m3 bolt",
"socket-head",
"wiring"
] | [Damo] has an interesting LED bulb project with a neat twist: he
converted some outdoor lighting to 12 V LED lighting with some self-designed bulb
replacements and decided to reuse the existing GU10 sockets and wiring. That meant putting GU10 lugs onto his custom PCBs, but he ran into a snag.
These GU10 bulb lugs are t... | 30 | 6 | [
{
"comment_id": "6503041",
"author": "Frankel",
"timestamp": "2022-08-15T12:05:52",
"content": "For a moment I thought this runs on mains, then I saw the 12V print. I only have LED bulbs running on mains at home. At least this is not another self-electrocution HaD :)",
"parent_id": null,
"de... | 1,760,372,595.678165 | ||
https://hackaday.com/2022/08/15/mac-mini-mini/ | Mac Mini Mini | Matthew Carlson | [
"computer hacks",
"Mac Hacks"
] | [
"Case mod",
"mac mini"
] | The Mac Mini has been roughly the same size and shape for 12 years, as the current design was released in June 2010. However, despite being the same general form factor, the internals has shrunk over the years. [Snazzy Labs] took advantage of this to
make a miniaturized Mac Mini
.
With a donor Mac in hand, they cracked... | 28 | 11 | [
{
"comment_id": "6503007",
"author": "punkdigerati",
"timestamp": "2022-08-15T08:14:48",
"content": "Mini Mac MiniAlmost sounds Latin",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6503086",
"author": "Neuron Plectrum",
"timestamp": "2022-08-... | 1,760,372,595.743275 | ||
https://hackaday.com/2022/08/14/a-simple-streaming-radio-receiver/ | A Simple Streaming Radio Receiver | Jenny List | [
"internet hacks"
] | [
"ESP32",
"internet radio",
"streaming radio"
] | For those interested in a career in broadcast radio there aren’t many routes into the business. Student radio, pirate radio, and hospital radio usually feature somewhere near the start of any DJ’s resumé. Hospital radio stations often don’t have a transmission license and have historically relied on wired systems, but ... | 12 | 6 | [
{
"comment_id": "6503002",
"author": "Ewald",
"timestamp": "2022-08-15T07:41:57",
"content": "Nice and simple! Some features to consider: add a USB charging option (of course ;), put the system into deep sleep if the battery voltage gets to low to avoid damaging the LiPo and use syslog to send statu... | 1,760,372,595.607369 | ||
https://hackaday.com/2022/08/14/whats-that-scope-trace-saying-upd-and-wireshark/ | What’s That Scope Trace Saying? UPD And Wireshark | Al Williams | [
"Network Hacks"
] | [
"network",
"wireshark"
] | [Matt Keeter], like many of us, has a lot of network-connected devices and
an oscilloscope
. He decided he wanted to look into what was on the network. While most of us might reach for Wireshark, he started at the PCB level. In particular, he had — or, rather, had someone — solder an active differential probe soldered ... | 9 | 3 | [
{
"comment_id": "6502990",
"author": "Artenz",
"timestamp": "2022-08-15T06:09:50",
"content": "What’s the purpose of those little square copper islands on the PCB?(very nice hack btw)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6502993",
"author":... | 1,760,372,595.78614 | ||
https://hackaday.com/2022/08/14/hackaday-links-august-14-2022/ | Hackaday Links: August 14, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"ai",
"bartender",
"Chevy Thunder",
"cyberdeck contest",
"fiber",
"hackaday links",
"ice",
"internal combustion engine",
"isp",
"quadruped",
"rigid-body simulator",
"robot dog"
] | What’s this? News about robot dogs comes out, and there’s no video of the bots busting a move on the dance floor? Nope — it looks like quadruped robots are finally going to work for real as
“ground drones” are being deployed to patrol Cape Canaveral
. Rather than the familiar and friendly Boston Dynamics “Big Dog” robo... | 14 | 7 | [
{
"comment_id": "6502942",
"author": "Jonathan Wilson",
"timestamp": "2022-08-14T23:24:39",
"content": "No doubt Comcast and the other last-century dinosaur ISPs are already working up laws in Michigan to prevent this guy (and others like him) from competing with them.",
"parent_id": null,
"... | 1,760,372,595.837919 | ||
https://hackaday.com/2022/08/14/starlink-ground-stations-successfully-hacked/ | Starlink Ground Stations Successfully Hacked | Elliot Williams | [
"ARM",
"classic hacks",
"News"
] | [
"defcon",
"pwn",
"Starlink",
"voltage glitching"
] | Belgian security researcher [Lennert Wouters] has gotten his own code running on the Starlink “Dishy McFlatface” satellite terminals, and you can too! The hack in question is a
“modchip” with an RP2040 and a MOSFET that crowbars the power rails
, browning out the main CPU exactly when it’s verifying the firmware’s vali... | 18 | 8 | [
{
"comment_id": "6502914",
"author": "doragasu",
"timestamp": "2022-08-14T20:15:21",
"content": "Glitched on Earth by Humans 🤣",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6502918",
"author": "Gravis",
"timestamp": "2022-08-14T20:24:41",
"conten... | 1,760,372,595.898118 | ||
https://hackaday.com/2022/08/15/redesigning-the-lumenpnp-tape-feeder/ | (Re)designing The LumenPnP Tape Feeder | Dave Rowntree | [
"Tool Hacks"
] | [
"3d printed",
"component feeder",
"machine tools",
"pick and place",
"pick and place machines"
] | Many of the hardware orientated hackers among us will likely have been following along with the story of [Stephen Hawes] and the Lumen pick-and-place project but kind of waiting a bit for the project to mature some more before maybe taking the plunge and ordering a kit. One reason for this might be that whilst the basi... | 9 | 7 | [
{
"comment_id": "6503291",
"author": "Dave B.",
"timestamp": "2022-08-16T12:49:00",
"content": "Stephen’s persistence with this is truly admirable.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6503298",
"author": "DainBramage",
"timestamp": "2022-08-... | 1,760,372,595.993502 | ||
https://hackaday.com/2022/08/15/getting-to-the-trackpoint-quicker/ | Getting To The TrackPoint Quicker | Matthew Carlson | [
"Peripherals Hacks"
] | [
"keyboard",
"Teensy",
"thinkpad",
"TMK",
"TrackPoint"
] | Love it or hate it, TrackPoint can be a powerful tool. Love it or hate it, the idea of moving the mouse without removing your hands from the keys has an appeal. [Alon Swartz]
incorporated one into his custom wired split mechanical keyboard and wrote a helpful guide on how to do it yourself
.
The first step was to deter... | 10 | 4 | [
{
"comment_id": "6503223",
"author": "Marty",
"timestamp": "2022-08-16T02:34:03",
"content": "Not only is this hack already 5 years old at this point (I’ve seen it before, though probably not through Hackaday), it basically recreates the Trackpoint prototypes seen in one of Ted Selker’s videos:https... | 1,760,372,595.940566 | ||
https://hackaday.com/2022/08/15/fyto-is-fido-for-phytophiles/ | Fytó Is Fido For Phytophiles | Kristina Panos | [
"Raspberry Pi"
] | [
"3d printing",
"anthropomorhized plant life",
"ldr",
"lm35",
"smart planter",
"soil moisture sensor"
] | On the surface, most plants really aren’t all that exciting, save for maybe the Venus flytrap. Sure, you can watch them grow in the long run, but for the most part, they’re just kind of there, quietly bringing peace and cleaner air. Day by day, they hardly move at all, although if you’re one of those people who likes t... | 5 | 4 | [
{
"comment_id": "6503252",
"author": "Shoe",
"timestamp": "2022-08-16T07:04:15",
"content": ">Fytó runs on a Raspberry Pi 2WIt uses a Pi *Zero* 2W, the Pi 2 didn’t get a W version.I’m not so sure about having the LDR on the side of the pot, isn’t that potentially going to miss most of the light hitt... | 1,760,372,596.035739 | ||
https://hackaday.com/2022/08/15/diy-gaming-mouse-beats-the-competition-costs-less/ | DIY Gaming Mouse Beats The Competition, Costs Less | Tom Nardi | [
"Peripherals Hacks"
] | [
"gaming mouse",
"input device",
"mouse"
] | We’ve seen plenty of custom keyboards here on Hackaday. Seriously, like more than we can count. But custom mice? Those are far more elusive. Though we wouldn’t be surprised to see that change
should this excellent example from [Tyler Richard] catch on
.
How the mouse sees the date on a US quarter
The goal was to build ... | 33 | 9 | [
{
"comment_id": "6503206",
"author": "AwD",
"timestamp": "2022-08-15T23:02:22",
"content": "It should be noted that I’m not a gamer that expects much from their equipment so I have little authority on what makes for a good gaming mouse. I have been told, however, that the MX Master 3 isn’t a good g... | 1,760,372,596.147095 | ||
https://hackaday.com/2022/08/15/get-your-raspberry-pi-jamming-with-mupibox/ | Get Your Raspberry Pi Jamming With MuPiBox | Tom Nardi | [
"digital audio hacks",
"Raspberry Pi"
] | [
"jukebox",
"music player",
"pi musicbox",
"touch screen navigation"
] | Over the years we’ve seen a lot of Raspberry Pi boards pushed into service as media players. In fact, second to emulating old game consoles, that’s probably the Pi’s most common vocation when it comes to DIY builds. But despite the popularity of this particular use case, it seems like each one has had to reinvent the w... | 7 | 6 | [
{
"comment_id": "6503175",
"author": "Jan",
"timestamp": "2022-08-15T19:53:14",
"content": "That (blue) triangular design looks pretty neat and practical, nice!Fun project!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6503204",
"author": "RW ver 0.0.3",
... | 1,760,372,596.408373 | ||
https://hackaday.com/2022/08/15/2022-hackaday-supercon-tickets-on-sale-now/ | 2022 Hackaday Supercon Tickets On Sale Now | Elliot Williams | [
"cons",
"Featured",
"News"
] | [
"2022 Hackaday Supercon",
"tickets"
] | Did I tell you about the time that [Spetku] turned the schwag bottle into a Jacob’s Ladder?
Supercon Tickets go on sale right now
! And the true-believer tickets usually sell out fast, so if you’re as excited about the thought of a real-life Supercon as we are, get yours now for a healthy discount.
We might be biased, ... | 15 | 7 | [
{
"comment_id": "6503159",
"author": "Mike Szczys",
"timestamp": "2022-08-15T18:16:35",
"content": "In for 1!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6503243",
"author": "Elliot Williams",
"timestamp": "2022-08-16T06:21:28",
"c... | 1,760,372,596.766131 | ||
https://hackaday.com/2022/08/15/steam-power-hack-chat/ | Steam Power Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, August 17 at noon Pacific for the
Steam Power Hack Chat
with
Quinn Dunki
!
The steam power age may be behind us now, but that doesn’t mean that the engineering that went into steam engines isn’t worth exploring. In a lot of ways, the steam age is what made modern engineering what we know it as tod... | 35 | 11 | [
{
"comment_id": "6503128",
"author": "Miles",
"timestamp": "2022-08-15T16:37:47",
"content": "Steam power has never been bigger, as they ramp up production and release SteamOS for other devices like Anbernic and Ayn.Lol",
"parent_id": null,
"depth": 1,
"replies": [
{
"comme... | 1,760,372,596.841659 | ||
https://hackaday.com/2022/08/18/a-particularly-polished-atx-bench-power-supply/ | A Particularly Polished ATX Bench Power Supply | Tom Nardi | [
"classic hacks",
"Tool Hacks"
] | [
"atx power supply",
"atx psu",
"bench power supply"
] | Let’s be real, yanking the ATX power supply out of an old desktop computer and turning it into something you can use on the workbench isn’t exactly an advanced project. In fact, you could probably argue it’s one of the first DIY builds a budding electronic hobbyist should tackle — after all, you’re going to need a reli... | 43 | 13 | [
{
"comment_id": "6504074",
"author": "John",
"timestamp": "2022-08-18T10:57:23",
"content": "I made a power supply using one of those modules. I really like it. I used a printer ac adapter that provides 32v. The higher voltage should allow for higher amps. If I remember correctly, they accept up to ... | 1,760,372,596.711092 | ||
https://hackaday.com/2022/08/17/circuit-less-pcb-featured-as-faceplate-for-a-digital-clock/ | Circuit-less PCB Featured As Faceplate For A Digital Clock | Dan Maloney | [
"clock hacks",
"LED Hacks"
] | [
"clock",
"diffuser",
"ESP32",
"FR-4",
"led",
"mask",
"ntp",
"pcb",
"Wemos"
] | If there’s no circuitry on a printed circuit board, does it cease being a “PCB” and perhaps instead become just a “PB”?
Call them what you will, the fact that PCBs have become so cheap and easy to design and fabricate lends them to more creative uses than just acting as the wiring for a project. In this case, [Jeremy C... | 9 | 5 | [
{
"comment_id": "6504021",
"author": "Drone",
"timestamp": "2022-08-18T06:05:07",
"content": "What a chore to hand solder all those Neopixel RGB LEDS! But the result seems worth it :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6504032",
"author": "big... | 1,760,372,596.503257 | ||
https://hackaday.com/2022/08/17/an-emmc-gives-up-its-secrets/ | An EMMC Gives Up Its Secrets | Jenny List | [
"Raspberry Pi",
"Reverse Engineering"
] | [
"data recovery",
"emmc",
"flash"
] | An increasing phenomenon over the years since mobile phones morphed from simply telephones into general purpose pocket computers has been that of the dead device taking with it some treasured digital resource. In most cases this means the device has died, but doesn’t necessarily mean that that the data has completely g... | 32 | 6 | [
{
"comment_id": "6503990",
"author": "spryte",
"timestamp": "2022-08-18T02:58:59",
"content": "Having been in the audio business for a while I have a old bulk demagnitizer sitting around somewhere. Would passing it over the eMMC a couple of time erase, or at least mess up any data in it. Presumably ... | 1,760,372,596.910462 | ||
https://hackaday.com/2022/08/17/prusaslicer-now-imports-step-files-heres-why-thats-a-big-deal/ | PrusaSlicer Now Imports STEP Files, Here’s Why That’s A Big Deal | Donald Papp | [
"3d Printer hacks"
] | [
"3D Printering",
"3d printing",
"cad",
"step",
"stl"
] | PrusaSlicer has a new feature: the ability to import a CAD model for 3D printing. Starting in version 2.5.0-beta1,
PrusaSlicer can import STEP format 3D models
. An imported STEP file is converted to a triangle mesh on import (making it much like a typical
.stl
or
.3mf
file) which means that slicing all happens as one ... | 44 | 10 | [
{
"comment_id": "6503949",
"author": "Vinny",
"timestamp": "2022-08-17T23:31:21",
"content": "> Starting with this release, PrusaSlicer is able to import STEP files, which is a format widely used for 3D modelling data exchange. Note that the model is tessellated on import and the slicing algorithms ... | 1,760,372,597.124833 | ||
https://hackaday.com/2022/08/17/rollback-breaks-into-your-car/ | RollBack Breaks Into Your Car | Elliot Williams | [
"car hacks",
"classic hacks"
] | [
"keyfob",
"rolling code",
"RollJam"
] | Rolling codes change the signal sent by car keyfobs unpredictably on every use, rendering them safe from replay attacks, and we can all sleep well at night. A research team lead by [Levente Csikor] gave a presentation at Black Hat where
they disclose that the situation is not pretty at all
(PDF).
You might know [Samy K... | 68 | 19 | [
{
"comment_id": "6503874",
"author": "TG",
"timestamp": "2022-08-17T20:19:10",
"content": "Just grab some toggle switches and implement the security system from Fury Road under the dashboard",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6503887",
"a... | 1,760,372,597.239257 | ||
https://hackaday.com/2022/08/17/chips-remembered-the-scenix-ubicom-parallax-sx/ | Chips Remembered: The Scenix/Ubicom/Parallax SX | Al Williams | [
"Hackaday Columns",
"Microcontrollers",
"Rants",
"Retrocomputing",
"Slider"
] | [
"parallax",
"retrocomputing"
] | If you are a bibliophile, going to a used bookstore is a distinctly pleasant experience. Sure, you might discover an old book that you want to read. But at least some of the endorphin rush comes from seeing old friends. Not humans, but books you read years or even decades ago. Most often, you don’t buy the book — you p... | 70 | 32 | [
{
"comment_id": "6503788",
"author": "Jon McPhalen",
"timestamp": "2022-08-17T17:07:21",
"content": "Just found an old PDB that was setup for BASIC Stamp (1 & 2, all sizes) and SX28 development. I liked the SX, especially with Terry Hitt’s SX/B and bits of your code, Al.",
"parent_id": null,
... | 1,760,372,597.0207 |
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