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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2018/06/22/when-vortex-rings-collide/ | When Vortex Rings Collide | Adam Fabio | [
"classic hacks"
] | [
"fluid dynamics",
"Fluid mechanics",
"Smarter Every Day",
"SmarterEveryDay",
"vortex"
] | Intrigued by a grainy video from 1992, [Destin] from Smarter Every Day decided to jump in and
fund his own research into the strange phenomenon of vortex ring collisions
.
This hack started with a scientific publication and a video from back in 1992.
The paper, written by Dr. T T Lim and TB Nichols
, illustrated what h... | 38 | 17 | [
{
"comment_id": "4646841",
"author": "Alphatek",
"timestamp": "2018-06-22T11:33:35",
"content": "4 years? Not a hack :PBut wow!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5476381",
"author": "Barry davis",
"timestamp": "2018-11-19T09:58:3... | 1,760,374,324.729967 | ||
https://hackaday.com/2018/06/20/this-weekend-the-east-coast-reprap-festival/ | This Weekend: The East Coast RepRap Festival | Brian Benchoff | [
"cons"
] | [
"East Coast RepRap Festival",
"ERRF",
"RepRap Fest"
] | Are you around Philly, Baltimore, or DC, and looking for something fun to do this weekend? Great news, because Saturday sees the start of
the first inaugural East Coast RepRap Festival
in Bel Air, Maryland. Eh, we’ll grab some Bohs and boil up some crabs. It’ll be a great time.
Regular readers of Hackaday should have h... | 10 | 8 | [
{
"comment_id": "4643286",
"author": "Fresh Prince",
"timestamp": "2018-06-20T22:12:29",
"content": "First I’ll have to get into one little fight so my mother will move me nearer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4643306",
"author": "onebiozz... | 1,760,374,324.780718 | ||
https://hackaday.com/2018/06/20/a-cnc-plasma-cutter-table-from-the-shop-floor-up/ | A CNC Plasma Cutter Table, From The Shop Floor Up | Dan Maloney | [
"cnc hacks"
] | [
"cnc",
"controller",
"fabrication",
"gantry",
"linear slides",
"LinuxCNC",
"NEMA 23",
"plasma cutter",
"stepper",
"welding"
] | Some projects are simple, some focus on precision and craftsmanship, and some are more of the quick-and-dirty variety. This
home-built CNC plasma cutter table
seems to follow a “go big or go home” philosophy, and we have to say we’re mighty impressed by the finished product.
For those who follow [Bob]’s “Making Stuff” ... | 2 | 2 | [
{
"comment_id": "4643101",
"author": "Drew",
"timestamp": "2018-06-20T20:05:14",
"content": "There is a lot you can do with this! Blacksmiths I work with have one of these to cut blanks out for custom blacksmith tongs- and then they sell it as a kit that you finish so you have to forge a little bit ... | 1,760,374,324.558815 | ||
https://hackaday.com/2018/06/20/hexabitz-modular-electronics-made-easier/ | Hexabitz, Modular Electronics Made Easier | Jenny List | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"Hackaday Prize",
"modular",
"modular electronics"
] | Over the years there have been a variety of modular electronic systems allowing the creation of complex circuits by the interconnection of modules containing individual functions.
Hexabitz, a selection of interlocking polygonal small PCBs
, is just such a system. What can it bring to the table that others haven’t done ... | 14 | 5 | [
{
"comment_id": "4643197",
"author": "lars-mander",
"timestamp": "2018-06-20T21:05:12",
"content": "Sorry, I don’t want to be the naysayer, but I never see the point in these modular things. Breadboard is good for messing about or prototyping, and if you want something more permanent either use vero... | 1,760,374,325.129213 | ||
https://hackaday.com/2018/06/20/analog-discovery-2-as-a-vector-network-analyzer/ | Analog Discovery 2 As A Vector Network Analyzer | Al Williams | [
"Hackaday Columns",
"Tool Hacks"
] | [
"digilent",
"Network analyzer",
"test equipment"
] | A while back, I posted
a review of the Analog Discovery 2
, which is one of those USB “do everything” instruments. You might recall I generally liked it, although I wasn’t crazy about the price and the fact that the BNC connectors were an extra item. However, in that same post, I mentioned I’d look at the device’s capa... | 7 | 5 | [
{
"comment_id": "4642804",
"author": "Nominal Animal",
"timestamp": "2018-06-20T17:11:33",
"content": "Serendipitous timing, Al. You don’t happen to frequent the EEVblog forums, do you? The post your latest purchase thread?",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,374,324.982459 | ||
https://hackaday.com/2018/06/20/friday-hack-chat-ladyada-on-creative-and-interactive-robotics/ | Friday Hack Chat: Ladyada On Creative And Interactive Robotics | Brian Benchoff | [
"Hackaday Columns"
] | [
"adafruit",
"CRICKIT",
"Hack Chat",
"robotics"
] | Somewhere at the intersection of microcontrollers, open source toolchains, the Maker Movement, and the march of technology, there’s a fuzzy concept that can best be described as robotics or physical computing. Instead of a computer in a box or a dumb microcontroller, these projects interact with the outside world. Whet... | 7 | 3 | [
{
"comment_id": "4642808",
"author": "profumple",
"timestamp": "2018-06-20T17:12:41",
"content": "Circuit Playground Express. FWIW.https://learn.adafruit.com/introducing-circuit-playground/classic-vs-express.Circuit Playground (classic) doesnt do Circuit Python.",
"parent_id": null,
"depth"... | 1,760,374,324.611634 | ||
https://hackaday.com/2018/06/20/print-physical-buttons-for-your-touch-screen/ | Print Physical Buttons For Your Touch Screen | Brian McEvoy | [
"3d Printer hacks",
"Games",
"Phone Hacks"
] | [
"button",
"capacitve",
"games",
"mobile",
"phone",
"resistive",
"switch",
"touch screen",
"trigger"
] | Modern handheld gaming hardware is great. The units are ergonomic powerhouses, yet many of us do all our portable gaming on a painfully rectangular smartphone. Their primary method of interaction is the index finger or thumbs, not a D-pad and buttons. Shoulder triggers have only existed on a few phones. Bluetooth gamin... | 5 | 3 | [
{
"comment_id": "4642911",
"author": "Maave",
"timestamp": "2018-06-20T17:51:20",
"content": "Pretty cool. It’s like the touchscreen d-pad stick-on things. Anybody ever use those?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4643323",
"author": "Saabman"... | 1,760,374,324.653992 | ||
https://hackaday.com/2018/06/20/teardown-box-of-pain-gom-jabbar-sold-separately/ | Teardown: Box Of Pain (Gom Jabbar Sold Separately) | Tom Nardi | [
"Featured",
"Interest",
"Teardown"
] | [
"dune",
"gom jabbar",
"heating element",
"pneumatic",
"pressure",
"prove you're human",
"pump",
"solenoid",
"valve"
] | I immediately felt uncomfortable when I realized this thing is called the “Breo iPalm520 Acupressure Hand Massager”. You’re supposed to stick your hand into it, and through unknown machinations it performs some kind of pressure massage complete with heating action.
It’s like one of those pain boxes from
Dune
. It’s all... | 34 | 13 | [
{
"comment_id": "4642224",
"author": "Ha Ha",
"timestamp": "2018-06-20T14:26:37",
"content": "Dude! You put your hand in that?!?! After buying it from a thrift store?My first thought was “how much of the previous owner’s hand sweat was in there”. I came to write about that. Then… it occurred to me t... | 1,760,374,324.861425 | ||
https://hackaday.com/2018/06/20/bunnie-weighs-in-on-tariffs/ | Bunnie Weighs In On Tariffs | Adam Fabio | [
"News"
] | [
"bunnie",
"china",
"economics",
"electronics",
"tariff",
"trade"
] | [Bunnie] has
penned his thoughts on the new 25% tariffs
coming to many goods shipped from China to the US. Living and working both in the US and China, [Bunnie] has a unique view of manufacturing and trade between the two countries. The creator of
Novena
and Chumby, he’s also
written the definitive guide on Shenzen ele... | 150 | 33 | [
{
"comment_id": "4641833",
"author": "Genki",
"timestamp": "2018-06-20T11:19:41",
"content": "So any idea how many jobs are lost because US companies moved assembly to China to avoid 25% tariff? I don’t think this tariff is well planned. More like just slapped on because the leader of the countries... | 1,760,374,325.319592 | ||
https://hackaday.com/2018/06/20/would-you-look-at-that-yaw-control/ | Would You Look At That Yaw Control | Brian Benchoff | [
"Space"
] | [
"itar",
"model rocket",
"rocket"
] | [Jeff Bezos] might be getting all the credit for developing a rocket that can take off and land vertically, but [Joe Barnard] is doing it the hard way. He’s doing it with Estes motors you can pick up in any hobby shop. He’s doing it with a model of a Falcon 9, and
he’s on his way
to launching and landing a rocket using... | 38 | 8 | [
{
"comment_id": "4641475",
"author": "SlurmMcKenzie",
"timestamp": "2018-06-20T08:08:58",
"content": "nice simpsons reference",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4641896",
"author": "Michał Rutkowski",
"timestamp": "2018-06-20T11:5... | 1,760,374,324.935175 | ||
https://hackaday.com/2018/06/19/a-youtube-subscriber-counter-with-a-tetris-twist/ | A YouTube Subscriber Counter With A Tetris Twist | Dan Maloney | [
"LED Hacks"
] | [
"animation",
"led",
"matrix",
"neopixel",
"rgb",
"subscribers",
"tetris",
"youtube"
] | When it comes to YouTube subscriber counters, there’s not much wiggle room for creativity. Sure, you can go with Nixies or even more exotic displays, but in the end a counter is just a bunch of numbers.
But [Brian Lough] found a way to jazz things up with
this Tetris-playing YouTube sub counter
. For those of you not f... | 1 | 1 | [
{
"comment_id": "4644696",
"author": "suleiman mahamed",
"timestamp": "2018-06-21T10:20:16",
"content": "maddd",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,374,325.357216 | ||
https://hackaday.com/2018/06/19/calm-down-its-only-assembly-language/ | Calm Down: It’s Only Assembly Language | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"assembly language",
"x86"
] | Based on [Ben Jojo’s] title —
x86 Assembly Doesn’t have to be Scary
— we assume that normal programmers fear assembly. Most hackers don’t mind it, but we also don’t often have an excuse to program assembly for desktop computers.
In fact, the post is really well suited for the typical hacker because it focuses the on re... | 43 | 15 | [
{
"comment_id": "4641128",
"author": "Severe Tire Damage",
"timestamp": "2018-06-20T03:53:12",
"content": "x86 assembly — just say no! What a wretched disaster, but with a C compiler, why bother.ARM assembly on the other hand is relatively civilized.But I am never content to use a processor that I ... | 1,760,374,325.437222 | ||
https://hackaday.com/2018/06/19/refurbishing-a-dec-340-monitor/ | Refurbishing A DEC 340 Monitor | Al Williams | [
"Retrocomputing"
] | [
"dec 340",
"restoration",
"retrocomputing"
] | Back in the “good old days” movie theaters ran serials. Every week you’d pay some pocket change and see what happened to Buck Rogers, Superman, or Tex Granger that week. Each episode would, of course, end in a cliffhanger. [Keith Hayes] has started his own serial about
restoring a DEC 340 monitor
found in a scrap yard ... | 16 | 5 | [
{
"comment_id": "4640695",
"author": "rnjacobs",
"timestamp": "2018-06-19T23:19:01",
"content": "The old DEC machine used a logic scheme that shifted between ground and a negative voltage.Oh, hello there, emitter-coupled logic.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,325.586925 | ||
https://hackaday.com/2018/06/19/laser-cutter-turns-scrapped-to-shipped/ | Laser Cutter Turns Scrapped To Shipped | Tom Nardi | [
"Laser Hacks"
] | [
"cardboard",
"laser cutter",
"reuse",
"shipping"
] | We’ll go way out on a limb here and say you’ve probably got a ridiculous amount of flattened cardboard boxes. We’re buying more stuff online than ever before, and all those boxes really start to add up. At the least we hope they’re making it to the recycling bin, but what about reusing them? Surely there’s something yo... | 25 | 10 | [
{
"comment_id": "4640443",
"author": "Ostracus",
"timestamp": "2018-06-19T20:14:57",
"content": "Not bad, but aren’t those USPS boxes free anyway?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4640460",
"author": "rnjacobs",
"timestamp": "20... | 1,760,374,325.654703 | ||
https://hackaday.com/2018/06/19/printing-strain-wave-gears/ | Printing Strain Wave Gears | Brian Benchoff | [
"3d Printer hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"harmonic",
"harmonic drive",
"motor"
] | We just wrapped up the Robotics Module Challenge portion of the Hackaday Prize, and if there’s one thing robots need to do, it’s move. This usually means some sort of motor, but you’ll probably want a gear system on there as well. Gotta have that torque, you know.
For his Hackaday Prize entry, [Johannes] is building
a ... | 20 | 5 | [
{
"comment_id": "4640345",
"author": "matt",
"timestamp": "2018-06-19T18:40:23",
"content": "We need more weirdly organic hot pink support structures in this world.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4640380",
"author": "Jay",
"ti... | 1,760,374,325.726835 | ||
https://hackaday.com/2018/06/19/federico-faggin-the-real-silicon-man/ | Federico Faggin: The Real Silicon Man | Steven Dufresne | [
"History",
"Slider"
] | [
"Fairchild Semiconductor",
"intel 4004",
"Intel 8080",
"MOS",
"mosfet",
"self-aligned gate",
"z80",
"zilog"
] | While doing research for our articles about
inventing the integrated circuit
,
the calculator
, and
the microprocessor
, one name kept popping which was new to me, Federico Faggin. Yet this was a name I should have known just as well as his famous contemporaries Kilby, Noyce, and Moore.
Faggin seems to have been at the... | 46 | 17 | [
{
"comment_id": "4640191",
"author": "rastersoft",
"timestamp": "2018-06-19T17:15:27",
"content": "Something that always puzzled me was… why did the Z80 use an 7-bit counter for the refresh counter, instead of 8 bits?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,374,325.53138 | ||
https://hackaday.com/2018/06/19/lawn-from-hell-saved-by-mower-from-heaven/ | Lawn From Hell Saved By Mower From Heaven | Kristina Panos | [
"Lifehacks",
"Misc Hacks",
"Slider"
] | [
"grass mowing",
"lawn care",
"lawnmower",
"line trimmer",
"rope",
"string trimmer"
] | It’s that time of year again, at least in the northern hemisphere. Everything is alive and growing, especially that narrow-leafed non-commodity that so many of us farm without tangible reward. [sonofdodie] has a particularly hard row to hoe—his backyard is one big, 30° slope of knee-ruining agony. After 30 years of tru... | 94 | 30 | [
{
"comment_id": "4640051",
"author": "Ostracus",
"timestamp": "2018-06-19T15:36:28",
"content": "You’d think we could genetically engineer grass that grew only a certain length.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4640061",
"author": "were... | 1,760,374,326.125314 | ||
https://hackaday.com/2018/06/19/what-is-our-martian-quarantine-protocol/ | What Is Our Martian Quarantine Protocol? | Al Williams | [
"Current Events",
"Hackaday Columns",
"Slider",
"Space"
] | [
"airstream",
"apollo",
"Elon Musk",
"lunar",
"mars",
"mqf",
"nasa"
] | If you somehow haven’t read or watched War of the Worlds, here’s a spoiler alert. The Martians are brought down by the common cold. You can argue if alien biology would be susceptible to human pathogens, but if they were, it wouldn’t be surprising if aliens had little defense against our bugs. The worrisome part of tha... | 89 | 25 | [
{
"comment_id": "4639916",
"author": "Tom Brusehaver",
"timestamp": "2018-06-19T14:08:58",
"content": "If you ever tried to kill weeds in your garden, or algae in a swimming pool, you know those organisms will cling to life.",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,374,326.35277 | ||
https://hackaday.com/2018/06/19/an-arduino-powered-tank-built-to-pull-planes/ | An Arduino Powered Tank Built To Pull Planes | Tom Nardi | [
"Arduino Hacks",
"Robots Hacks",
"Transportation Hacks"
] | [
"arduino mega",
"bluetooth",
"remote control",
"rover",
"tank tread"
] | Surely our readers are well aware of all the downsides of owning an airplane. Certainly the cost of fuel is a big one. Birds are a problem, probably. That bill from the traveling propeller sharpener is a killer too…right? Alright fine, we admit it, nobody here at Hackaday owns an airplane. But probably neither do most ... | 39 | 14 | [
{
"comment_id": "4639689",
"author": "Phrewfuf",
"timestamp": "2018-06-19T11:06:27",
"content": "I think his site just got hackadayed. Poor database didn’t see that coming.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4639875",
"author": "moerbst",... | 1,760,374,326.435047 | ||
https://hackaday.com/2018/06/19/tables-are-turned-as-robots-assemble-ikea-furniture/ | Tables Are Turned As Robots Assemble IKEA Furniture | Brian McEvoy | [
"Robots Hacks"
] | [
"assembly",
"code",
"ikea",
"industrial",
"programming",
"robot"
] | Hackaday pages are rife with examples of robots being built with furniture parts. In this example, the tables are turned and
robots are the masters of IKEA pieces
. We are not silly enough to assume that these robots unfolded the instructions, looked at one another, scratched their CPUs, and began assembling. Of course... | 15 | 10 | [
{
"comment_id": "4639421",
"author": "ian 42",
"timestamp": "2018-06-19T08:54:13",
"content": "the link in the article was to a news item on another web site, and the link to that was an article behind a login.. ie this is a useless article for HD readers….I only tried to follow the links to get a l... | 1,760,374,326.482587 | ||
https://hackaday.com/2018/06/18/hybrid-lab-power-supply-from-broken-audio-amp/ | Hybrid Lab Power Supply From Broken Audio Amp | Ben James | [
"Misc Hacks",
"Repair Hacks"
] | [
"amplifier",
"audio",
"boost",
"buck",
"diy",
"hybrid",
"linear",
"power supply",
"switching",
"tpai"
] | The lab power supply is an essential part of any respectable electronics workbench. However, the cost of buying a unit that has all the features required can be eye-wateringly high for such a seemingly simple device. [The Post Apocalyptic Inventor] has showed us how to
build a quality bench power supply from the guts o... | 9 | 4 | [
{
"comment_id": "4638951",
"author": "aroundwaves",
"timestamp": "2018-06-19T06:26:40",
"content": "my variation of DIY powersupply (dual type linear and DC/DC convertion)https://imgur.com/a/el57T;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4639056",
... | 1,760,374,326.58231 | ||
https://hackaday.com/2018/06/18/the-colpitts-oscillator-explained/ | The Colpitts Oscillator Explained | Al Williams | [
"Radio Hacks"
] | [
"colpitts",
"colpitts oscillator",
"oscillator"
] | The Colpitts oscillator is a time-tested design — from 1918. [The Offset Volt] has a few videos covering
the design of these circuits
including an op-amp and a transistor version. You can find the videos below.
You can tell a Colpitts oscillator by the two capacitors in the feedback circuit. The capacitors form an effe... | 10 | 8 | [
{
"comment_id": "4638531",
"author": "256byteram",
"timestamp": "2018-06-19T04:01:50",
"content": "Handy hint, at TAFE we learned to remember the difference between Hartley and Colpitts oscillators with [H]artley being tapped [H]enries (inductance) and [C]olpitts was tapped [C]apacitance.",
"par... | 1,760,374,326.530768 | ||
https://hackaday.com/2018/06/18/raytheons-tube-rom/ | Raytheon’s Analog Read-Only Memory Is Tube-Based | Bryan Cockfield | [
"Retrocomputing"
] | [
"crt",
"display",
"memory",
"monoscope",
"raytheon",
"retro",
"rom",
"tube"
] | There are many ways of storing data in a computer’s memory, and not all of them allow the computer to write to it. For older equipment, this was often a physical limitation to the hardware itself. It’s easier and cheaper for some memory to be read-only, but if you go back really far you reach a time before even ROMs we... | 8 | 3 | [
{
"comment_id": "4638109",
"author": "stickben",
"timestamp": "2018-06-18T23:39:29",
"content": "Ive heard that military manufacturers such as Raytheon also like tubes because they are resistant to the effects of EMPs caused by nuclear blasts.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,374,326.625689 | ||
https://hackaday.com/2018/06/18/arduino-watchdog-sniffs-out-hot-3d-printers/ | Arduino Watchdog Sniffs Out Hot 3D Printers | Tom Nardi | [
"3d Printer hacks",
"Arduino Hacks"
] | [
"3D printer fire",
"arduino nano",
"safety",
"temperature monitoring"
] | We know we’ve told you this already, but you should really keep a close eye on your 3D printer. The cheaper import machines are starting to display a worrying tendency to go up in flames, either due to cheap components or design flaws. The fact that it happens is, sadly, no longer up for debate. The best thing we can d... | 23 | 8 | [
{
"comment_id": "4637823",
"author": "Albert",
"timestamp": "2018-06-18T20:26:35",
"content": "Neat project. I’d like to see something similar built into the firmware to control a relay for power as most firmware already detect thermal runaways but as mentioned in the project article cant do anythin... | 1,760,374,326.794648 | ||
https://hackaday.com/2018/06/18/buttery-smooth-fades-with-the-power-of-hsv/ | Buttery Smooth Fades With The Power Of HSV | Kerry Scharfglass | [
"Featured",
"how-to",
"LED Hacks",
"Original Art",
"Skills"
] | [
"animation",
"color spaces",
"color theory",
"led",
"RGB LED"
] | In firmware-land we usually refer to colors using RGB. This is intuitively pleasing with a little background on color theory and an understanding of how multicolor LEDs work. Most of the colorful LEDs we are use not actually a single diode. They are red, green, and blue diodes shoved together in tight quarters. (Though... | 20 | 10 | [
{
"comment_id": "4637542",
"author": "fdufnews",
"timestamp": "2018-06-18T17:22:26",
"content": "An interesting site when you want to convert from one color space to another. Here, you’ll find examples of C code for each conversion.",
"parent_id": null,
"depth": 1,
"replies": []
},
{... | 1,760,374,326.734081 | ||
https://hackaday.com/2018/06/18/watch-the-world-spin-with-the-earth-clock/ | Watch The World Spin With The Earth Clock | Sven Gregori | [
"Arduino Hacks",
"clock hacks"
] | [
"arduino",
"clock",
"earth",
"leds",
"stepper motor",
"sun"
] | With the June solstice right around the corner, it’s a perfect time to witness first hand the effects of Earth’s axial tilt on the day’s length above and beyond 60 degrees latitude. But if you can’t make it there, or otherwise prefer a more regular, less deprived sleep pattern, you can always resort to simulations to d... | 9 | 6 | [
{
"comment_id": "4637531",
"author": "Jan",
"timestamp": "2018-06-18T17:18:41",
"content": "What a nice project, cool idea!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4637572",
"author": "Indyaner",
"timestamp": "2018-06-18T17:43:37",
... | 1,760,374,326.671441 | ||
https://hackaday.com/2018/06/18/fatalities-vs-false-positives-the-lessons-from-the-tesla-and-uber-crashes/ | Fatalities Vs False Positives: The Lessons From The Tesla And Uber Crashes | Elliot Williams | [
"car hacks",
"Current Events",
"Featured",
"Interest",
"Slider"
] | [
"autonomous vehicle",
"crash",
"false positives",
"NTSB",
"self-driving cars",
"tesla",
"uber"
] | In one bad week in March, two people were indirectly killed by automated driving systems. A Tesla vehicle drove into a barrier, killing its driver, and an Uber vehicle hit and killed a pedestrian crossing the street. The National Transportation Safety Board’s preliminary reports on both accidents came out recently, and... | 175 | 38 | [
{
"comment_id": "4637246",
"author": "Blarp",
"timestamp": "2018-06-18T14:32:02",
"content": "I do have doubts whether autopilot will ever get off the ground properly. I think there is the potential to improve the technology a lot, but I don’t think many more fatalities will be accepted before the e... | 1,760,374,327.27148 | ||
https://hackaday.com/2018/06/18/opening-a-ford-with-a-robot-and-the-de-bruijn-sequence/ | Opening A Ford With A Robot And The De Bruijn Sequence | Brian Benchoff | [
"lockpicking hacks",
"Security Hacks",
"Slider"
] | [
"arduino",
"combination lock",
"Ford Securicode",
"lock",
"lockpick",
"robot",
"solenoid"
] | The Ford Securicode, or the keyless-entry keypad available on all models of Ford cars and trucks, first appeared on the 1980 Thunderbird. Even though it’s most commonly seen on the higher-end models, it is available as an option on the Fiesta S — the cheapest car Ford sells in the US — for $95.
Doug DeMuro loves it
. I... | 72 | 20 | [
{
"comment_id": "4636962",
"author": "ian 42",
"timestamp": "2018-06-18T11:34:48",
"content": "you have to wonder at the morons who developed these car ‘locks’. If you read the project you will see that you can crack them by hand in 20minutes, and using his device does it in 4min on average.Why on e... | 1,760,374,327.063696 | ||
https://hackaday.com/2018/06/18/dissecting-the-elusive-wax-motor/ | Dissecting The Elusive Wax Motor | Tom Nardi | [
"classic hacks",
"Parts",
"Slider"
] | [
"appliances",
"AvE",
"hvac",
"linear actuator",
"Wax motor"
] | We’d wager most readers aren’t intimately acquainted with wax motors. In fact, a good deal of you have probably never heard of them, let alone used one in a project. Which isn’t exactly surprising, as they’re very niche and rarely used outside of HVAC systems and some appliances. But they’re fascinating devices, and on... | 34 | 13 | [
{
"comment_id": "4636830",
"author": "Wuff",
"timestamp": "2018-06-18T08:32:11",
"content": "“they’re very niche and rarely used outside of HVAC systems and some appliances”Most, if not all water cooled cars use the wax motor in the thermostatic valve.Also, they are very common in home heating (in t... | 1,760,374,327.605311 | ||
https://hackaday.com/2018/06/17/searchable-kicad-component-database-makes-finding-parts-a-breeze/ | Searchable KiCad Component Database Makes Finding Parts A Breeze | Ben James | [
"Software Hacks",
"Tool Hacks"
] | [
"component",
"database",
"kcdb",
"KiCAD",
"searchable"
] | KiCad, the open source EDA software, is popular with Hackaday readers and the hardware community as a whole. But it is not immune from the most common bane of EDA tools. Managing your library of symbols and footprints, and finding new ones for components you’re using in your latest design is rarely a pleasant experienc... | 15 | 4 | [
{
"comment_id": "4636674",
"author": "jpa",
"timestamp": "2018-06-18T05:14:46",
"content": "Now add an indexer that will automatically harvest libraries from GitHub and Google searches.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4636677",
"author... | 1,760,374,327.532193 | ||
https://hackaday.com/2018/06/17/learn-six-oscilloscope-measurements-with-one-arduino/ | Learn Six Oscilloscope Measurements With One Arduino | Al Williams | [
"Slider",
"Tool Hacks"
] | [
"arduino",
"how to use an oscilloscope",
"oscilloscope"
] | We won’t mention names, but we are always dismayed to see people twist knobs randomly on a scope until it shows a good picture. These days, there’s the dreaded auto button, too, which is nearly as bad. If you haven’t spent the time to learn how to properly use a scope [Bald Engineer] has a great introduction to making
... | 8 | 5 | [
{
"comment_id": "4636568",
"author": "lawrencejeff987",
"timestamp": "2018-06-18T02:45:13",
"content": "Just upgraded to Rigol DS1054z – looks like a great way to learn some of the new capabilities ( like serial decode ) – great article!",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,327.31323 | ||
https://hackaday.com/2018/06/17/hackaday-links-june-17-2018/ | Hackaday Links: June 17, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"badges",
"dewalt",
"elon",
"Elon is God",
"merger",
"mergers and acquisitions",
"nxp",
"qualcomm",
"rats"
] | Do you like badges? Of course you like badges. It’s conference season, and that means it’s also badge season. Well good news,
Tindie now has a ‘badge’ category
. Right now, it’s loaded up with creepy Krustys, hypnotoads, and fat Pikas. There’s also
an amazing @Spacehuhn chicken
from [Dave]. Which reminds me: we need to... | 16 | 9 | [
{
"comment_id": "4636453",
"author": "Ostracus",
"timestamp": "2018-06-17T23:37:39",
"content": "” It’s just another long chapter in the continuing story of, ‘where the hell are all the Motorola app notes and data sheets?’”Which will be worse if Qual-NDA-comm get’s ahold of them.",
"parent_id": ... | 1,760,374,327.483008 | ||
https://hackaday.com/2018/06/17/using-imus-for-odometry/ | Using IMUs For Odometry | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"IMU",
"odometry"
] | The future is autonomous robots. Whether that means electric cars with rebranded adaptive cruise control, or delivery robots that are actually just remote control cars, the robots of the future will need to decide how to move, where to move, and be capable of tracking their own movement. This is the problem of odometry... | 33 | 8 | [
{
"comment_id": "4636364",
"author": "Joe",
"timestamp": "2018-06-17T20:47:05",
"content": "Imu odometry is accurate for about 3 milliseconds if very well calibrated. Accelerometers are horrible for odometry because calculus. You’re taking an estimate calculated from an estimate calculated from a no... | 1,760,374,327.722788 | ||
https://hackaday.com/2018/06/17/retrotechtacular-car-navigation-like-its-1971/ | Retrotechtacular: Car Navigation Like It’s 1971 | Dan Maloney | [
"car hacks",
"Retrotechtacular"
] | [
"automobile",
"car",
"cassette",
"counter",
"dead reckoning",
"gps",
"navigation",
"odometer",
"retrotechtacular"
] | Anyone old enough to have driven before the GPS era probably wonders, as we do, how anyone ever found anything. Navigation back then meant outdated paper maps, long detours because of missed turns, and the far too frequent stops at dingy gas stations for the humiliation of asking for directions. It took forever sometim... | 63 | 14 | [
{
"comment_id": "4636244",
"author": "Bruce Perens K6BP",
"timestamp": "2018-06-17T17:09:41",
"content": "ETAK was a generalized navigator that stored the data upon cassette, and worked entirely by sensing distance and turns. It was released in about 1985.https://www.fastcompany.com/3047828/who-need... | 1,760,374,327.819167 | ||
https://hackaday.com/2018/06/17/fpv-rover-2-0-has-3d-printed-treads-and-plenty-of-zip/ | FPV-Rover 2.0 Has 3D Printed Treads And Plenty Of Zip | Al Williams | [
"3d Printer hacks",
"Robots Hacks"
] | [
"3d printing",
"FPV",
"robot",
"tank tread",
"track",
"tracked robot",
"tread"
] | [Markus_p] has already finished one really successful 3D printed tracked robot build. Now he’s finished a second one using standard motors and incorporating what he learned from the first.
The results are pretty impressive
and you can see a video demo of the beast, below.
Most of the robot is PLA, although there are so... | 11 | 7 | [
{
"comment_id": "4636156",
"author": "norro211",
"timestamp": "2018-06-17T14:08:02",
"content": "Not sure there is a great advantage of using tracks vs 6 wheels. Other than looks they just slip and break more.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4... | 1,760,374,327.654238 | ||
https://hackaday.com/2018/06/17/cheap-front-panels-with-dibond-aluminium/ | Cheap Front Panels With Dibond Aluminium | Tom Nardi | [
"hardware",
"Parts"
] | [
"aluminum",
"front panel",
"inkscape",
"printing",
"production hacks"
] | The production capability available to the individual hacker today is really quite incredible. Even a low-end laser engraver can etch your PCBs, and it doesn’t take a top of the line 3D printer to knock out a nice looking enclosure. With the wide availability of these (relatively) cheap machines, the home builder can c... | 17 | 12 | [
{
"comment_id": "4636134",
"author": "daveboltman",
"timestamp": "2018-06-17T12:45:42",
"content": "Sure – we always did it with Ferric Chloride (exactly the same as PCB production). But when such a service is available, why not. Looks great.",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,374,327.877069 | ||
https://hackaday.com/2018/06/16/titanium-knob-doesnt-grind-our-gears/ | Titanium Knob Doesn’t Grind Our Gears | Lewin Day | [
"car hacks"
] | [
"3d printing",
"gear knob",
"gear stick",
"gearknob",
"gearstick",
"manual transmission"
] | Manual transmissions! Those blessed things that car enthusiasts swear by and everyone else pretends no longer exists. They’re usually shifted by using the gearstick, mounted in the centre console of the car. Swapping out the knob on the gearstick is a popular customization; you can have everything from 8-balls to skull... | 40 | 9 | [
{
"comment_id": "4635448",
"author": "Michael",
"timestamp": "2018-06-16T11:39:33",
"content": "“(…) and everyone else pretends no longer exists”Unless you are one of the 3/4 of a billion people living in Europe",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,374,327.955249 | ||
https://hackaday.com/2018/06/16/portable-ham-radio-design-fosters-experiments/ | Portable Ham Radio Design Fosters Experiments | Al Williams | [
"Radio Hacks"
] | [
"ham radio",
"SI5351"
] | [Charlie Morris] has been busy building
a portable ham radio rig
and documenting his progress in a series of videos. You can see the first one below. There’s four parts (more if you count things like part 4 and part 4a as two parts) so far and it is always interesting to see inside a build like this, where the choices ... | 4 | 2 | [
{
"comment_id": "4635634",
"author": "DuWayne",
"timestamp": "2018-06-16T16:14:16",
"content": "He also has a great series of videos on designing and building a stand alone SDR SSB transceiver.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4635916",
... | 1,760,374,327.993482 | ||
https://hackaday.com/2018/06/15/mri-to-3d-print-gets-much-faster/ | MRI To 3D Print Gets Much Faster | Al Williams | [
"3d Printer hacks",
"Medical Hacks"
] | [
"3d printing",
"biomedical",
"CT Scan",
"mri"
] | A surprising use of 3D printing has been in creating life-like models of human body parts using MRI or CT scans. Surgeons and other medical professionals can use models to plan procedures or assist in research. However, there has been a problem. The body is a messy complex thing and there is a lot of data that comes ou... | 19 | 7 | [
{
"comment_id": "4635046",
"author": "Internet",
"timestamp": "2018-06-16T05:54:16",
"content": "How much does the ink cost to print a foot model and how long does the print take? How much is the water station?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,374,328.255949 | ||
https://hackaday.com/2018/06/15/changing-color-under-pressure/ | Changing Color Under Pressure | Brian McEvoy | [
"chemistry hacks",
"News",
"Science"
] | [
"chromatic",
"color",
"color changing",
"gauge",
"photonic",
"pressure",
"rainbow",
"sensor",
"strain",
"torque"
] | When you saw the picture for this article, did you think of a peacock’s feather? These fibers are not harvested from birds, and in fact, the colors come from
transparent
rubber. As with peacock feathers, they come from the way light reflects off layers of differing materials, this is known as optical interference, and ... | 3 | 2 | [
{
"comment_id": "4635084",
"author": "Mike Massen",
"timestamp": "2018-06-16T06:43:05",
"content": "Interesting options for sensor variations such as in automotives and hydraulics and possibly even tightly integrating in smallest submersibles Eg severe deep marine environments",
"parent_id": nul... | 1,760,374,328.200563 | ||
https://hackaday.com/2018/06/15/homebrew-calibration-for-test-equipment/ | Homebrew Calibration For Test Equipment | Al Williams | [
"Tool Hacks"
] | [
"calibration",
"precision resistor",
"voltage reference"
] | If you work for a large company, you probably have test equipment that is routinely calibrated. Some companies have their own metrology labs and others send out to an external lab. In a garage lab, you are less likely to do calibrations and — in our experience — that isn’t usually a problem. Still, it is nice to be abl... | 8 | 6 | [
{
"comment_id": "4634819",
"author": "Art Mezins",
"timestamp": "2018-06-15T23:57:22",
"content": "Back late 2014,I bought a fairly inexpensive combo standard fromhttp://www.voltagestandard.com. It has 5V, 1mA, plus 1K, 10K, and 100K resistors that are traceable to his Agilent 3458A DMM (at least, w... | 1,760,374,328.412846 | ||
https://hackaday.com/2018/06/15/making-electronics-just-got-25-more-expensive-in-the-us/ | Making Electronics Just Got 25% More Expensive In The US | Brian Benchoff | [
"News",
"Slider"
] | [
"china",
"economics",
"electronics",
"tariff",
"trade"
] | As reported by the BBC
, the United States is set to impose a 25% tariff on over 800 categories of Chinese goods. The tariffs are due to come into effect in three weeks, on July 6th. Thousands of different products are covered under this new tariff, and by every account, electronic designers will be hit hard. Your BOM ... | 312 | 50 | [
{
"comment_id": "4634595",
"author": "Steve Spence - KK4HFJ",
"timestamp": "2018-06-15T20:13:25",
"content": "Good, now more American manufacturers can step up to the plate, produce and employ locally, keeping the money in the local economy.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,329.097922 | ||
https://hackaday.com/2018/06/15/two-awesome-enders-achievements/ | Two Awesome Ender’s Achievements | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"Achievement",
"Enders Achievement",
"Robotics Module"
] | The Hackaday Prize is all about empowering you with the tools you need to create the next great hardware device. To that end, we’ve set up seed funding for your projects, we’ve given you a project hosting site, and most importantly, Hackaday gives you the opportunity to connect with tens of thousands of like-minded har... | 1 | 1 | [
{
"comment_id": "4634691",
"author": "TermTheWorm",
"timestamp": "2018-06-15T21:37:12",
"content": "Ingenious!-Has anyone tried their hands on a turntable-type printbed? Not R360-style, but print->rotate->eject->print?I beleive the mod would be simpler (within the reach of the not-so-skilled hacker ... | 1,760,374,328.32549 | ||
https://hackaday.com/2018/06/17/frozen-rat-kidney-shipping-container/ | Frozen Rat Kidney Shipping Container | Elliot Williams | [
"3d Printer hacks",
"Science"
] | [
"3d printing",
"lab equipment",
"NIH",
"open science",
"parts"
] | The biggest allure of 3D printing, to us at least, is the ability to make hyper-personalized objects that would otherwise fall through the cracks of our mass-market economy. Take, for instance, the
Frozen Rat Kidney Shipping Container
, or maybe some of the less bizarro applications in the US National Institute of Heal... | 6 | 4 | [
{
"comment_id": "4636136",
"author": "Ostracus",
"timestamp": "2018-06-17T12:54:23",
"content": "“The biggest allure of 3D printing, to us at least, is the ability to make hyper-personalized objects that would otherwise fall through the cracks of our mass-market economy. ”I think it was Future Shock... | 1,760,374,328.459991 | ||
https://hackaday.com/2018/06/16/diy-coil-winding-machine-counts-the-hacky-way/ | DIY Coil Winding Machine Counts The Hacky Way | Elliot Williams | [
"Tool Hacks"
] | [
"basic",
"calculator",
"diy",
"machine",
"transformer",
"winding"
] | “Wait, was that 423 or 424?” When you’re stuck winding a transformer or coil that has more than a few hundred turns, you’re going to want to spend some time on a winding jig. This video, embedded below, displays
a simple but sufficient machine — with a few twists
.
The first elaboration is the addition of a shuttle tha... | 11 | 6 | [
{
"comment_id": "4635970",
"author": "TGT",
"timestamp": "2018-06-17T05:25:35",
"content": "Pretty cool. It would be easy to motorize it, use a few Hall effect sensors to multiply the speed of the bottom axle and a pair of end stop switched to automatically reverse the direction of the carriage.",
... | 1,760,374,328.781228 | ||
https://hackaday.com/2018/06/16/3d-printer-tech-cuts-paper/ | 3D Printer Tech Cuts Paper | Al Williams | [
"3d Printer hacks",
"Arduino Hacks"
] | [
"paper cutter",
"stepper motor"
] | While 3D printing has been a great thing all by itself, it has also made electromechanical hardware a commodity item. Instead of raiding an old printer for motors and rods of unknown provenance, you can now buy everything very inexpensively due to the economy of scale and offshore manufacturing.
[Mr. Innovation] proves... | 19 | 14 | [
{
"comment_id": "4635922",
"author": "Redhatter (VK4MSL)",
"timestamp": "2018-06-17T02:46:40",
"content": "Never mind the spelling mistake at 6:21… but a stronger version of that that can securely cut up an expired debit card would be real handy.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,374,328.516983 | ||
https://hackaday.com/2018/06/16/definitely-not-neopixel-rings-from-scratch/ | Definitely-Not-Neopixel Rings, From Scratch! | Jenny List | [
"LED Hacks"
] | [
"led",
"neopixel",
"neopixel ring",
"ws2812"
] | The WS2812 addressable LED is a marvellous component. Any colour light you want, all under the control of your favourite microcontroller, and daisy-chainable to your heart’s content. Unsurprisingly they have become extremely popular, and can be found in a significant number of the project s you might read about in thes... | 22 | 4 | [
{
"comment_id": "4635853",
"author": "Robert Mateja",
"timestamp": "2018-06-16T23:32:24",
"content": "$3+labor vs. $2.85 delivered. Make sense only as skill training session. You can’t beat economy of scale.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "46... | 1,760,374,328.67517 | ||
https://hackaday.com/2018/06/16/a-3d-printed-robot-actuator/ | A 3D-Printed Robot Actuator | Jenny List | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"brushless motor",
"cycloidal gearbox",
"Hackaday Prize",
"robot",
"robot arm"
] | Somehow, walking robots at our level never really seem to deliver on the promise that should be delivered by all those legs. Articulation using hobby servos is simple enough to achieve, but cumbersome, slow, and not very powerful. [Paul Gould] has a plan to make a better,
3D-printed articulated robot actuator
.
His sol... | 18 | 8 | [
{
"comment_id": "4635764",
"author": "Robert Mateja",
"timestamp": "2018-06-16T20:26:38",
"content": "Now that’s how you do it, not with ball screws like last one.Great design!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4635776",
"author": "Gówno... | 1,760,374,329.262634 | ||
https://hackaday.com/2018/06/16/building-an-ultralight-in-a-basement/ | Building An Ultralight In A Basement Is Just So Beautiful To See | Brian Benchoff | [
"Misc Hacks"
] | [
"aircraft",
"airplane",
"homebuilt",
"monoplane",
"ultralight"
] | [Peter] is at it again. Not content with being one of the best RC confabulators on YouTube, and certainly not content with the
first
airplane he built in his basement,
[Peter Sripol] is building another airplane in his basement
.
The first airplane he built
was documented on YouTube
over a month and a half. It was an a... | 15 | 6 | [
{
"comment_id": "4635668",
"author": "Dr. Cockroach aka Mark Nesselhaus",
"timestamp": "2018-06-16T17:25:57",
"content": "This brings back very fond memories of flying my ultralight back in the 1980s. I spent well over 1000 hours in my Quicksilver MX back then and loved every minuet. Wish you well o... | 1,760,374,329.151051 | ||
https://hackaday.com/2018/06/16/delta-printer-morphs-into-cnc-flat-coil-winder/ | Delta Printer Morphs Into CNC Flat Coil Winder | Dan Maloney | [
"Misc Hacks"
] | [
"bifilar",
"cam",
"cnc",
"coil",
"Computer-aided manufacturing",
"delta",
"drag knife",
"g-code",
"winding"
] | Anyone who has ever wound a coil by hand has probably idly wondered
“How do they do this with a machine?”
at some point in the tedious process. That’s about when your attention wanders and the wire does what physics wants it to do, with the rat’s nest and cursing as a predictable result.
There’s got to be a better way,... | 21 | 10 | [
{
"comment_id": "4635543",
"author": "Ostracus",
"timestamp": "2018-06-16T14:19:23",
"content": "Printed coils.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4635601",
"author": "Tore Lund",
"timestamp": "2018-06-16T15:39:13",
"content": "That’s c... | 1,760,374,329.20802 | ||
https://hackaday.com/2018/06/15/hacker-glory-story-sunburst-and-luminary-an-apollo-memoir/ | Books You Should Read: Sunburst And Luminary, An Apollo Memoir | Gregory L. Charvat | [
"Featured",
"History",
"Space"
] | [
"apollo",
"apollo 11",
"apollo 14",
"Apollo Guidance Computer",
"Apollo Lunar Module",
"books you should read"
] | The most computationally intense part of an Apollo mission was the moon landing itself, requiring both real-time control and navigation of the Lunar Module (LM) through a sequence of programs known as the P60’s. Data from radar, inertial navigation, and optical data sighted-off by the LM commander himself were fed into... | 7 | 5 | [
{
"comment_id": "4634494",
"author": "Antron Argaiv",
"timestamp": "2018-06-15T17:22:53",
"content": "Eyles is also a photographer and an artist. One of his creations sits in the Fort Point Channel:https://www.bostonglobe.com/lifestyle/names/2014/10/13/fort-point-artist-pyramid-hits-water/vPwIOcPDBt... | 1,760,374,331.01561 | ||
https://hackaday.com/2018/06/15/smoothing-pla-with-two-paints/ | Smoothing PLA With Two Paints | Al Williams | [
"3d Printer hacks"
] | [
"3dprinter",
"paint",
"PLA",
"polyurethane",
"smoothing"
] | There was a time when most 3D printers used ABS plastic. It stinks, is probably bad for you, and tends to warp unless printed in a heated enclosure. So most people have gone to something else, mostly PLA. But ABS also dissolves in a readily-available solvent, acetone, and this is useful for smoothing the layer artifact... | 13 | 6 | [
{
"comment_id": "4634430",
"author": "Alex Rich",
"timestamp": "2018-06-15T16:02:31",
"content": "I would test with just spray paint to see if the poly is really necessary. I bet pre-heating the part and then hitting with a hair dryer instead of just a fan would make the paint dry fast enough on it... | 1,760,374,331.698841 | ||
https://hackaday.com/2018/06/15/retrotechtacular-voice-controlled-robot-from-1961/ | Retrotechtacular: Voice Controlled Robot From 1961 | Al Williams | [
"Original Art",
"Retrotechtacular",
"Toy Hacks"
] | [
"ideal",
"marvin glass",
"mga",
"robot",
"robot commando",
"toy",
"toy robot",
"voice command"
] | We like to think that all these new voice-controlled gadgets like our cell phones, Google Home, Amazon Echo, and all that is the pinnacle of new technology. Enabled by the latest deep learning algorithms, voice-controlled hardware was the stuff of science fiction back in the 1961s, right? Not really. Turns out in aroun... | 18 | 10 | [
{
"comment_id": "4634374",
"author": "Ren",
"timestamp": "2018-06-15T14:45:20",
"content": "“To us, though, it seems like an object lesson in simplifying engineering. If you were building Robot Commando today, you’d load it down with a Raspberry Pi running Tensor Flow to do voice recognition and the... | 1,760,374,331.645644 | ||
https://hackaday.com/2018/06/15/silicon-bugs-in-the-ftdi-ft232r-and-a-tidy-rf-vco-project/ | Silicon Bugs In The FTDI FT232R, And A Tidy RF VCO Project | Elliot Williams | [
"hardware",
"Radio Hacks"
] | [
"ad9850",
"bit bang",
"FT232",
"ftdi",
"radio"
] | [Scott Harden] wrote in to tell us of some success he’s having
using the FT232 chip to speak SPI directly from his laptop to a AD98850 digital signal generator
. At least that was his destination. But as so often in life, more than half the fun was getting there, finding some still-unsolved silicon bugs, and (after sim... | 31 | 17 | [
{
"comment_id": "4634214",
"author": "werecatf",
"timestamp": "2018-06-15T11:08:14",
"content": "The CP2104 does offer some extra pins that could be used for e.g. bit-banging, but I have never needed to use them for anything, so I do not know how easy they are to make use of.",
"parent_id": null... | 1,760,374,331.147355 | ||
https://hackaday.com/2018/06/15/move-over-aluminum-cast-iron-for-the-home-foundry/ | Move Over Aluminum: Cast Iron For The Home Foundry | Dan Maloney | [
"Misc Hacks",
"Slider"
] | [
"aluminum",
"cast iron",
"casting",
"ferrosiliocon",
"flask",
"foundry",
"furnace",
"metallurgy"
] | When it comes to choice of metals that can be melted in the home foundry, it’s a little like [Henry Ford]’s famous quip: you can melt any metal you want, as long as it’s aluminum. Not that there’s anything wrong with that; there’s a lot you can accomplish by casting aluminum. But imagine what you could accomplish by
re... | 53 | 17 | [
{
"comment_id": "4634137",
"author": "macona",
"timestamp": "2018-06-15T08:57:47",
"content": "Do not pour over concrete. Spill enough and the concrete can spall and ruin your day.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4634723",
"author": "K... | 1,760,374,331.234998 | ||
https://hackaday.com/2018/06/14/blinging-up-a-scope-scale-your-divisions-in-style/ | Blinging Up A Scope: Scale Your Divisions In Style | Ben James | [
"Misc Hacks"
] | [
"AvE",
"machine",
"oscilloscope",
"upgrade"
] | When a hacker owns an oscilloscope, it’s more than a possession. Weary nights are spent staring at the display, frantically twiddling the dials to coax out vital information. Over time, a bond is formed – and only the best will do for your scope.
So why settle for the stock plastic dials when you could go for gold? Wel... | 20 | 6 | [
{
"comment_id": "4633978",
"author": "x vs y",
"timestamp": "2018-06-15T05:23:04",
"content": "That ‘scope passed its EMC homologation tests with plastic knobs. Replacing them with metal ones may have more than an aesthetic impact – it may (or may not!) also invalidate the results of certain EMC te... | 1,760,374,331.585213 | ||
https://hackaday.com/2018/06/14/a-crash-course-on-reliable-communication/ | A Crash Course In Reliable Communication | Tom Nardi | [
"Arduino Hacks",
"Microcontrollers"
] | [
"arduino",
"clock",
"communications",
"i2c",
"serial"
] | It’s probably fair to say that anyone reading these words understands conceptually how physically connected devices communicate with each other. In the most basic configuration, one wire establishes a common ground as a shared reference point and then the “signal” is sent over a second wire. But what actually
is
a sign... | 21 | 7 | [
{
"comment_id": "4633898",
"author": "Jme",
"timestamp": "2018-06-15T02:28:23",
"content": "Woah Woah Woah. I was super interested in this but needed to stop at only two minutes in. He didn’t snap the arduino into the center and symmetrically on the breadboard!!! What a monster!",
"parent_id": n... | 1,760,374,331.401435 | ||
https://hackaday.com/2018/06/14/poetry-is-the-fruit-of-this-loom/ | Poetry Is The Fruit Of This Loom | Tom Nardi | [
"Arduino Hacks",
"classic hacks"
] | [
"arduino",
"cloth",
"crafting",
"loom",
"weaving"
] | We’d wager that most people reading these words have never used a loom before. Nor have most of you churned butter, or ridden in a horse-drawn wagon. Despite these things being state of the art technology at one point, today the average person is only dimly aware of their existence. In the developed world, life has mov... | 14 | 7 | [
{
"comment_id": "4633135",
"author": "Chlam denaturat 92%",
"timestamp": "2018-06-14T09:15:43",
"content": "A true fruit of the loomp.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4633207",
"author": "Leo",
"timestamp": "2018-06-14T10:36:02",
"co... | 1,760,374,331.074322 | ||
https://hackaday.com/2018/06/13/automatic-sunglasses-for-the-lazy-hacker/ | Automatic Sunglasses For The Lazy Hacker | Adam Fabio | [
"Arduino Hacks"
] | [
"arduino",
"glasses",
"sunglasses"
] | [Andreas] may have created the ultimate lazy hacker accessory:
automatic sunglasses, or “Selfblending sunglasses” as he creatively titled his video
. If you can’t tell from the name, these are glasses that you never have to take off. If the light is dim, they move away from your eyes. Going back outside to bright light... | 10 | 8 | [
{
"comment_id": "4632915",
"author": "kryptylomese",
"timestamp": "2018-06-14T06:20:10",
"content": "UV protection?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4632997",
"author": "Anders Frihagen",
"timestamp": "2018-06-14T07:09:27",
"content":... | 1,760,374,331.44379 | ||
https://hackaday.com/2018/06/13/extracting-water-from-fog/ | Extracting Water From Fog | Al Williams | [
"Science"
] | [
"fog",
"mit",
"water"
] | Most of us take it for granted that water is as close as your kitchen tap. But that’s not true everywhere. Two scientists at MIT have a new method for
harvesting water from fog
, especially fog released from cooling towers such as those found from power plants. It turns out, harvesting water from fog isn’t a new idea. ... | 53 | 21 | [
{
"comment_id": "4632656",
"author": "Ren",
"timestamp": "2018-06-14T02:13:35",
"content": "Corona dicharge?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4633398",
"author": "JDX",
"timestamp": "2018-06-14T14:37:51",
"content": "The... | 1,760,374,331.529178 | ||
https://hackaday.com/2018/06/13/simplifying-basic-led-effects/ | Simplifying Basic LED Effects | Al Williams | [
"Arduino Hacks"
] | [
"arduino",
"breathing LED",
"jled",
"led",
"library"
] | There was a time when having a blinking blue LED on a project was all you needed to be one of the cool kids. But now you need something more complex. LEDs should not just snap on, they should fade in and out. And blinking? Today’s hotness is breathing LEDs. If that’s the kind of project you want, you should check out [... | 24 | 12 | [
{
"comment_id": "4632553",
"author": "Ostracus",
"timestamp": "2018-06-13T23:22:39",
"content": "“Today’s hotness is breathing LEDs. ”Got a wired Logitech mouse that does that. Thankfully it can be turned off.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "463... | 1,760,374,331.899564 | ||
https://hackaday.com/2018/06/13/cigar-box-synth-is-a-fun-time/ | Cigar Box Synth Is A Fun Time | Lewin Day | [
"Musical Hacks"
] | [
"cigar",
"cigar box",
"logic",
"syhthesizer",
"synth"
] | It’s fair to say that the groovebox market has exploded. Store shelves are overflowing with the umpteenth releases from KORG’s Volca line and the latest Pocket Operators. These devices often feature a wide array of tones in an enticingly compact and attractive package, but is it possible to build something similar at h... | 4 | 2 | [
{
"comment_id": "4632487",
"author": "crazywriterof6",
"timestamp": "2018-06-13T21:13:14",
"content": "I love building/using this crap, umm, useful interesting items. It is lacking some lights though… Need lights… We’re talking NEED.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,331.839654 | ||
https://hackaday.com/2018/06/13/esp8266-uses-lifi-to-get-on-wifi/ | ESP8266 Uses LiFi To Get On WiFi | Tucker Ervin | [
"Arduino Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"3d print",
"esp-12f",
"ESP8266",
"LiFi",
"photoresistor",
"wifi"
] | Connecting your shiny new ESP8266 to WiFi can be as simple or as complicated as you please. Most people decide to manually add it. Some people find clever ways to make the bloody thing connect itself. [Eduardo Zola]
transfers his WiFi password using the flashing light of a smartphone screen
.
A simple photo-resistor an... | 27 | 12 | [
{
"comment_id": "4632315",
"author": "hfiennes",
"timestamp": "2018-06-13T18:34:37",
"content": "*cough* electric imp blinkup ;)Phototransistors are also a bit more responsive than LDRs!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4632423",
"autho... | 1,760,374,331.964572 | ||
https://hackaday.com/2018/06/13/vcf-east-2018-cactus-retro-because-it-wants-to-be/ | VCF East 2018: Cactus, Retro Because It Wants To Be | Tom Nardi | [
"computer hacks",
"cons",
"Hackaday Columns",
"Retrocomputing",
"Slider"
] | [
"6502",
"Cactus",
"microcomputer",
"VCF",
"VCF East",
"VCF East XIII"
] | Among the rows of digital dinosaurs, one blinking front panel stood out. It certainly looked the part of a retro computer; with banks of blinking LEDs and multicolored paddle switches. But upon closer inspection, the laser cut wooden front panel betrays the fact that this machine is an impostor. It may have the appeara... | 19 | 10 | [
{
"comment_id": "4632248",
"author": "Alexander 'Z' Pierson",
"timestamp": "2018-06-13T17:28:19",
"content": "Great writeup, Tom. Thank you!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4632277",
"author": "Ren",
"timestamp": "2018-06-13T17:53:54",
... | 1,760,374,332.439304 | ||
https://hackaday.com/2018/06/13/friday-hack-chat-all-about-the-hackaday-prize-2/ | Friday Hack Chat: All About The Hackaday Prize | Brian Benchoff | [
"Hackaday Columns"
] | [
"2018 Hackaday Prize",
"Hack Chat",
"Hackaday Prize",
"Power Harvesting"
] | Right now we’re neck deep in the Hackaday Prize. What’s the Hackaday Prize? It’s the Academy Awards of hardware creation, or at least that’s what we’re calling it until we get a cease and desist from the Academy of Motion Picture Arts and Sciences.
Already we’ve seen over eight hundred entries in the Hackaday Prize, an... | 0 | 0 | [] | 1,760,374,332.32415 | ||
https://hackaday.com/2018/06/13/rescuing-k-9/ | Rescuing K-9 | Jenny List | [
"Robots Hacks"
] | [
"bbc",
"dr. who",
"K-9",
"k9"
] | Fans of the long-running and ever-fantastic British TV show
Dr.
Who
will no doubt hold a soft spot in their hearts for the Doctor’s little robot companion. No, not one of his many human sidekicks, we’re talking about K-9, the angular dog-like android that burst onto British screens back in 1977.
There were a number of ... | 50 | 21 | [
{
"comment_id": "4632132",
"author": "Darren",
"timestamp": "2018-06-13T15:09:28",
"content": "That is wrong, just wrong. I highly doubt the original internals were damaged beyond repair or even carefully built replacements. It’s just another person who can follow a Raspberry Pi guide and gutted a r... | 1,760,374,332.283984 | ||
https://hackaday.com/2018/06/13/hair-raising-tales-of-electrostatic-generators/ | Hair-Raising Tales Of Electrostatic Generators | Al Williams | [
"Featured",
"History",
"Science"
] | [
"electroscope",
"high voltage",
"leyden jar",
"retrotechtacular",
"van de graaff",
"wimshurst"
] | We tend to think of electricity as part of the modern world. However, Thales of Mietus recorded information about static electricity around 585 BC. This Greek philosopher found that rubbing amber with fur would cause the amber to attract lightweight objects like feathers. Interestingly enough, a few hundred years late... | 17 | 11 | [
{
"comment_id": "4632107",
"author": "Ostracus",
"timestamp": "2018-06-13T14:29:48",
"content": "Yes electrostatics has it uses*, although a machine devoted to it, not as much.Electrostatic motors, etc.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4632162"... | 1,760,374,332.378557 | ||
https://hackaday.com/2018/06/13/unlocking-animal-crossings-debug-mode/ | Unlocking Animal Crossing’s Debug Mode | Tom Nardi | [
"classic hacks",
"Games",
"Nintendo Hacks"
] | [
"assembly language",
"debug",
"gamecube",
"nintendo"
] | Originally released on the Nintendo 64 in 2001,
Animal Crossing
was the first entry into what has become a massively successful franchise. But while the game has appeared on more modern Nintendo consoles, most recently Android and iOS, the version released on the GameCube holds a special place in many fan’s hearts. The... | 8 | 5 | [
{
"comment_id": "4632100",
"author": "SkinnyV",
"timestamp": "2018-06-13T14:26:12",
"content": "Small correction, Animal Forest on the Nintendo 64 was the first entry in the series eventough it was essentially Animal Crossing.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,332.4857 | ||
https://hackaday.com/2018/06/13/chromebook-trades-camera-for-wi-fi-freedom/ | Chromebook Trades Camera For WiFi Freedom | Tom Nardi | [
"computer hacks",
"laptops hacks",
"Peripherals Hacks"
] | [
"chromebook",
"Free Software Foundation",
"libreboot",
"usb",
"webcam"
] | There are a number of companies now providing turn-key computers that meet the Free Software Foundation’s criteria for their “Respects Your Freedom” certification. This means, in a general sense, that the computer is guaranteed not to spy on you or otherwise do anything else you didn’t explicitly ask it to. Unfortunate... | 30 | 20 | [
{
"comment_id": "4631820",
"author": "mark",
"timestamp": "2018-06-13T09:17:20",
"content": "People who care this much about how other people spend their time and find happiness should seek help and get a life imo",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": ... | 1,760,374,332.554366 | ||
https://hackaday.com/2018/06/12/computer-vision-for-pcb-layout/ | Computer Vision For PCB Layout | Al Williams | [
"Tool Hacks"
] | [
"layout",
"ocr",
"pcb",
"snapeda"
] | One of the big problems with doing PCB layout is finding a suitable footprint for the components you want to use. Most tools have some library although — of course — some are better than others. You can often get by with using some generic footprint, too. That’s not handy for schematic layout, though, because you’ll ha... | 31 | 13 | [
{
"comment_id": "4631597",
"author": "jacobchrist",
"timestamp": "2018-06-13T05:11:52",
"content": "I wonder how it does with connectors? I can never find pin 1.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4632398",
"author": "Natasha",
"... | 1,760,374,332.719549 | ||
https://hackaday.com/2018/06/12/internal-power-pills/ | Internal Power Pills | Brian McEvoy | [
"Medical Hacks"
] | [
"biohacking",
"biopunk",
"Disease",
"Drug delivery",
"grinding",
"implant",
"internal",
"medicine",
"power",
"power source",
"power transmission",
"research",
"sensors",
"wireless"
] | Arguably the biggest hurdle to implanted electronics is in the battery. A modern mobile phone can run for a day or two without a charge, but that only needs to fit into a pocket and were its battery to enter a dangerous state it can be quickly removed from the pocket. Implantable electronics are not so easy to toss on ... | 20 | 6 | [
{
"comment_id": "4631448",
"author": "Brian McEvoy",
"timestamp": "2018-06-13T03:01:41",
"content": "I considered adding a point about dispensing that kind of medication at the press of a button, but I’m no shill. It still makes me chuckle.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,374,332.778492 | ||
https://hackaday.com/2018/06/14/making-robot-snakes-that-slither-sidewind-and-strike/ | Making Robot Snakes That Slither, Sidewind, And Strike | Steven Dufresne | [
"Robots Hacks"
] | [
"robot",
"snake",
"snake robot"
] | [Will Donaldson] has been
making robot snakes of all sorts
. One of his snakes hugs the ground, slithering across it with a sine wave motion. Flipping it on its side and calling different code, that same snake also moves like an inchworm. Another of his snakes lifts parts of itself upward to move sideways across the gr... | 5 | 4 | [
{
"comment_id": "4633812",
"author": "rev900ev",
"timestamp": "2018-06-14T23:41:20",
"content": "When they strike they spray fruit punch and play salsa music over a low power trweeter",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4633841",
"author": "Ostr... | 1,760,374,332.821469 | ||
https://hackaday.com/2018/06/14/espresso-machine-from-motorbike-engine-parts/ | Espresso Machine From Motorbike Engine Parts | Steven Dufresne | [
"cooking hacks"
] | [
"coffee",
"coffee maker",
"espresso machine",
"piston"
] | [Rulof Maker] is a master at making things from salvaged parts, and being an Italian lover of espresso coffee, this time
he’s made an espresso machine
. The parts in question are a piston and cylinder from an old motorbike, believe it or not, and parts from an IKEA lamp.
Why the piston and cylinder? For those not famil... | 15 | 8 | [
{
"comment_id": "4633682",
"author": "Ren",
"timestamp": "2018-06-14T20:12:45",
"content": "High octane caffeine!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4633692",
"author": "DatOneGuy",
"timestamp": "2018-06-14T20:22:16",
"content": "Yummy,... | 1,760,374,332.872188 | ||
https://hackaday.com/2018/06/14/folding-robots-with-special-materials/ | Folding Robots With Special Materials | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"aluminum",
"robotics"
] | When it comes to robots, we usually see some aluminum extrusion, laser-cut parts, maybe some 3D printed parts, and possibly a few Erector sets confabulated into a robot arm.
This entry for the Hackaday Prize is anything but.
It’s a robot chassis, a 3D printer, and the structural frame for any sort of moving project tha... | 16 | 3 | [
{
"comment_id": "4633628",
"author": "echodelta",
"timestamp": "2018-06-14T19:01:10",
"content": "Living hinge, what an absurd marketing term. When they die they break apart the lid falls off the catches don’t hold anymore. Dumb. In the trash or r-bin it goes. Real three piece hinges are nearly immo... | 1,760,374,332.95131 | ||
https://hackaday.com/2018/06/14/general-purpose-i-o-how-to-get-more/ | General Purpose I/O: How To Get More | Inderpreet Singh | [
"Featured",
"hardware",
"how-to",
"Slider"
] | [
"gpio",
"i2c",
"led",
"microcontroller",
"spi"
] | The first program anyone writes for a microcontroller is the blinking LED which involves toggling a general-purpose input/output (GPIO) on and off. Consequently, the same GPIO can be used to read digital bits as well. A traditional microcontroller like the 8051 is available in DIP packages ranging from 20 pins to 40 pi... | 28 | 17 | [
{
"comment_id": "4633538",
"author": "Clovis Fritzen",
"timestamp": "2018-06-14T17:36:44",
"content": "This is one of those Engineering areas you can get very inventive at. Great article",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4633542",
"author": "T... | 1,760,374,333.243445 | ||
https://hackaday.com/2018/06/14/diy-talkbox-gives-you-more-bounce-to-the-ounce/ | DIY Talkbox Gives You More Bounce To The Ounce | Kristina Panos | [
"Musical Hacks"
] | [
"audio effect",
"compression driver",
"frampton comes alive",
"high pass filter",
"robot voice",
"talkbox"
] | Back in the 70s, you couldn’t swing a macrame plant hanger around a record store without knocking over numerous displays of albums featuring talkboxes. They were all over 70s music, kind of like how almost every 80s song has a sax solo and/or Michael McDonald on backing vocals. Not sure you’ve heard one being used? Tru... | 10 | 6 | [
{
"comment_id": "4633474",
"author": "Ren",
"timestamp": "2018-06-14T16:07:01",
"content": "Oh! You mean a Framptonizer!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4633508",
"author": "Stuart Rubin",
"timestamp": "2018-06-14T17:06:13",
... | 1,760,374,333.348552 | ||
https://hackaday.com/2018/06/14/field-trip-hackaday-visits-pimoroni/ | Field Trip! Hackaday Visits Pimoroni | Jenny List | [
"Hackaday Columns"
] | [
"Bearables",
"Flotilla",
"hacker",
"maker",
"Micro:bit",
"PiBow",
"Pimoroni",
"raspberry pi",
"tour"
] | If you have a Raspberry Pi and have any interest in its peripherals, you may be familiar with the grinning pirate logo of the British company,
Pimoroni
. The Sheffield, UK based outfit first established a niche for itself as one of the go-to places for much of the essentials of Pi ownership, and has extended its portfo... | 31 | 11 | [
{
"comment_id": "4633404",
"author": "Ren",
"timestamp": "2018-06-14T14:48:20",
"content": "“eyrie”I had to look that one up, here in the USA “aerie” is the common form.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4633515",
"author": "dahud",
... | 1,760,374,333.421643 | ||
https://hackaday.com/2018/06/14/neat-odroid-glusterfs-build-stashes-data-sips-power/ | Neat Odroid & GlusterFS Build Stashes Data, Sips Power | Richard Baguley | [
"computer hacks",
"Network Hacks"
] | [
"GlusterFS",
"nas",
"odroid"
] | Most of us accumulate stuff, like drawers full of old cables and hard drives full of data. Reddit user [BaxterPad] doesn’t worry about such things though, as he built an impressive
Network Attached Storage (NAS) system that can hold over 200TB of data
. That’s impressive enough, but the real artistry is in how he did t... | 29 | 9 | [
{
"comment_id": "4633233",
"author": "eccentricelectron",
"timestamp": "2018-06-14T11:13:02",
"content": "GlusterFS rocks.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4634470",
"author": "herbert",
"timestamp": "2018-06-15T16:40:09",
... | 1,760,374,333.17353 | ||
https://hackaday.com/2018/06/12/555-ways-to-speed-control-a-dc-motor/ | 555 Ways To Speed Control A DC Motor | Lewin Day | [
"classic hacks"
] | [
"555",
"pwm"
] | The 555 timer IC is a handful of active components all baked into one beautifully useful 8 pin package. Originally designed for timing purposes, they became ubiquitous parts that can achieve almost anything.
In this case, they’re being used to create a basic PWM motor controller.
The trick is to set the 555 up in asta... | 20 | 13 | [
{
"comment_id": "4629937",
"author": "Yann Guidon / YGDES",
"timestamp": "2018-06-12T08:12:34",
"content": "A similar PWM generator made with 2 gates of 74HC04, 2 diodes, 1 capacitor, 1 trimmer :https://cdn.hackaday.io/images/4174071470535140513.png(seehttps://hackaday.io/project/8693-dypled)",
... | 1,760,374,333.301651 | ||
https://hackaday.com/2018/06/11/understanding-a-mosfet-mixer/ | Understanding A MOSFET Mixer | Al Williams | [
"Radio Hacks"
] | [
"mixer",
"mosfet",
"radio"
] | A mixer takes two signals and mixes them together. The resulting output is usually both frequencies, plus their sum and their difference. For example, if you feed a 5 MHz signal and a 20 MHz signal, you’d get outputs at 5 MHz, 15 MHz, 20 MHz, and 25 MHz. In a balanced mixer, the original frequencies cancel out, althoug... | 23 | 7 | [
{
"comment_id": "4629648",
"author": "ziggurat29",
"timestamp": "2018-06-12T06:23:31",
"content": "Ah! the NE602! 1980s cognates of things more modern; e.g. nrf24l01; but without all the fab digitry. Alas, poor lsi mixers; I know them, Horatio.",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,374,333.480281 | ||
https://hackaday.com/2018/06/11/a-close-eye-on-power-exposes-private-keys/ | A Close Eye On Power Exposes Private Keys | Kerry Scharfglass | [
"hardware",
"Security Hacks",
"Slider"
] | [
"bitcoin",
"hardware wallet",
"power analysis",
"side channel attack",
"trezor"
] | Hardware wallets are devices used exclusively to store the highly sensitive cryptographic information that authenticates cryptocurrency transactions. They are useful if one is worried about the compromise of a general purpose computer leading to the loss of such secrets (and thus loss of the funds the secrets identify)... | 37 | 8 | [
{
"comment_id": "4629165",
"author": "Ostracus",
"timestamp": "2018-06-12T02:38:37",
"content": "“By counting the timing of these fluctuations and using reference a power signature from another device it was possible to recover the series of 1s and 0s which comprised the private key, at which point ... | 1,760,374,333.558574 | ||
https://hackaday.com/2018/06/11/a-guide-to-audio-amps-for-radio-builders/ | A Guide To Audio Amps For Radio Builders | Dan Maloney | [
"Misc Hacks",
"Radio Hacks"
] | [
"AF",
"amateur radio",
"amplifier",
"audio",
"distortion",
"feedback",
"filter",
"lm386",
"op-amp",
"radio",
"THD"
] | For hams who build their own radios, mastering the black art of radio frequency electronics is a necessary first step to getting on the air. But if voice transmissions are a goal, some level of mastery of the audio frequency side of the equation is needed as well. If your signal is clipped and distorted, the ham on the... | 14 | 5 | [
{
"comment_id": "4629186",
"author": "TGT",
"timestamp": "2018-06-12T02:53:57",
"content": "Some day I want to make a circuit like that but also put a bunch of random entomology specimens pinned to the ground plane here and there, maybe a few rhino beetles and a butterfly.",
"parent_id": null,
... | 1,760,374,333.611199 | ||
https://hackaday.com/2018/06/11/tricking-a-vintage-clock-chip-into-working-on-50-hz-power/ | Tricking A Vintage Clock Chip Into Working On 50-Hz Power | Dan Maloney | [
"classic hacks",
"clock hacks"
] | [
"4017",
"60 hertz",
"clock",
"counter",
"divider",
"frequency",
"mains",
"MK50250",
"Mostek",
"power"
] | Thanks to microcontrollers, RTC modules, and a plethora of cheap and interesting display options, digital clock projects have become pretty easy. Choose to base a clock build around a chip sporting a date code from the late 70s, though, and your build is bound to be more than run-of-the-mill.
This is the boat that [Fra... | 32 | 13 | [
{
"comment_id": "4628504",
"author": "BillSF9c",
"timestamp": "2018-06-11T21:33:25",
"content": "Lotsa folks used 24 hrs before military or continued after. I STILL get cinfused with 12 PM being lunch time, because 1 PM ought to come 11 hours before 12 PM, not 1 hour after. I HATE having to stop and... | 1,760,374,333.678579 | ||
https://hackaday.com/2018/06/11/pcbs-as-linear-motors/ | PCBs As Linear Motors | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"linear motor",
"pcb"
] | PCBs are exceptionally cheap now, and that means everyone gets to experiment with the careful application of copper traces on a fiberglass substrate. For his Hackaday Prize entry, [Carl] is putting coils on a PCB. What can you do with that?
Build a motor, obviously
. This isn’t any motor, though: it’s a linear motor. I... | 33 | 16 | [
{
"comment_id": "4628208",
"author": "rnjacobs",
"timestamp": "2018-06-11T19:01:53",
"content": "Oooh, now you “just” need to recapitulate this:https://hackaday.com/2015/08/18/ferrofluid-clock-is-a-work-of-art/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "46... | 1,760,374,333.842189 | ||
https://hackaday.com/2018/06/11/ask-hackaday-what-color-are-your-pcbs/ | Ask Hackaday: What Color Are Your PCBs? | Brian Benchoff | [
"Ask Hackaday",
"Hackaday Columns"
] | [
"pcb",
"Seeed",
"seeed studio",
"soldermask"
] | A decade ago, buying a custom-printed circuit board meant paying a fortune and possibly even using a board house’s proprietary software to design the PCB. Now, we all have powerful, independent tools to design circuit boards, and there are a hundred factories in China that will take your Gerbers and send you ten copies... | 71 | 34 | [
{
"comment_id": "4627978",
"author": "Justin",
"timestamp": "2018-06-11T17:10:30",
"content": "a decades a bit of a stretch, in 2010, you could goto seeedstudio and get 10 pcs for 5$, maybe 20 years ago is more accurate…*source: waybackmachine",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,374,334.011101 | ||
https://hackaday.com/2018/06/11/bike-driven-scarf-knitter-is-an-accessory-to-warmth/ | Bike-Driven Scarf Knitter Is An Accessory To Warmth | Kristina Panos | [
"Misc Hacks",
"Slider"
] | [
"addi express",
"inner tubes",
"knitting",
"knitting machine",
"scarf",
"stationary bike",
"wooden gears"
] | Despite all our technological achievements, humans still spend a lot of time waiting around for trains. Add a stiff winter breeze to the injury of commuting, and you’ve got a classic recipe for misery. [George Barratt-Jones] decided to inject some warmth into this scene by inviting people to knit a free scarf for thems... | 25 | 8 | [
{
"comment_id": "4627875",
"author": "Ren",
"timestamp": "2018-06-11T15:38:47",
"content": "So, what prevents it from being destroyed by vandalism?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4627914",
"author": "Noah Andersen",
"timestamp... | 1,760,374,333.90322 | ||
https://hackaday.com/2018/06/11/hacking-when-it-counts-the-magnetron-goes-to-war/ | Hacking When It Counts: The Magnetron Goes To War | Dan Maloney | [
"Featured",
"History",
"Original Art",
"Slider"
] | [
"hacking when it counts",
"magnetron",
"microwave",
"radar",
"technology transfer",
"uk",
"US",
"wwii"
] | In 1940, England was in a dangerous predicament. The Nazi war machine had been sweeping across Europe for almost two years, claiming countries in a crescent from Norway to France and cutting off the island from the Continent. The Battle of Britain was raging in the skies above the English Channel and southern coast of ... | 36 | 14 | [
{
"comment_id": "4627700",
"author": "Ostracus",
"timestamp": "2018-06-11T14:10:46",
"content": "“One of the devices used to generate short-wavelength radio frequency waves was almost an accidental discovery, and like many great ideas, it started as a way to get around patent protections on somebody... | 1,760,374,334.144851 | ||
https://hackaday.com/2018/06/11/james-bruton-is-making-a-dog-opendog-project/ | [James Bruton] Is Making A Dog: OpenDog Project | Steven Dufresne | [
"Robots Hacks"
] | [
"ball screw",
"boston dynamics",
"dog",
"james bruton",
"legged",
"quadruped",
"SpotMini",
"walking robot"
] | There was a time when a two-legged walking robot was the thing to make. But after seeing years of Boston Dynamic’s amazing four-legged one’s, more DIYers are switching to quadrupeds. Now we can add master DIY robot builder [James Bruton] to the list with
his openDog project
. What’s exciting here is that with [James’] ... | 32 | 7 | [
{
"comment_id": "4627540",
"author": "deralchemist",
"timestamp": "2018-06-11T11:49:47",
"content": "Why is every youtuber making a dumb face in the thumbnails these days? Is this appealing for some people?The thumbnails are more like dumbnails, haha.",
"parent_id": null,
"depth": 1,
"re... | 1,760,374,334.216374 | ||
https://hackaday.com/2018/06/11/fpga-persistently-rick-rolls-you/ | FPGA Persistently Rick Rolls You | Al Williams | [
"Arduino Hacks",
"FPGA",
"Wireless Hacks"
] | [
"Cmod S6",
"ESP8266",
"java",
"persistance of vision",
"POV",
"spartan-6"
] | When [Im-pro] wants a display, he wants it to spin. So he built a
persistence of vision
(POV) display capable of showing a 12-bit color image of 131 x 131 pixels at 16 frames per second. You can see a video about the project below, but don’t worry, you can view it on your normal monitor.
The project starts with a Java... | 13 | 5 | [
{
"comment_id": "4627238",
"author": "Cyk",
"timestamp": "2018-06-11T08:13:38",
"content": "Having recently bought a VR headset, I’m asking myself whether it would be possible to create a virtual POV display inside it.Do we need a new video format for POV displays, so we can watch Youtube videos on ... | 1,760,374,334.063273 | ||
https://hackaday.com/2018/06/10/custom-buttons-for-your-game-controller/ | Custom Buttons For Your Game Controller | Jenny List | [
"Games"
] | [
"console",
"console buttons",
"moulding",
"Sega Saturn",
"silicone"
] | Console gamers have relatively few options when it comes to hardware hacking, unless they wish to partake of some extreme modifications that threaten the very integrity of their machines. So without reaching for a Dremel, how can you insert a little individuality into the same standard components all your friends have?... | 9 | 6 | [
{
"comment_id": "4626982",
"author": "Internet",
"timestamp": "2018-06-11T05:07:31",
"content": "Microsoft, somewhat oddly enough, is making hardware hacking somewhat easier with this interesting official “controller” platform.https://www.xbox.com/en-US/xbox-one/accessories/controllers/xbox-adaptive... | 1,760,374,334.306883 | ||
https://hackaday.com/2018/06/10/high-voltage-switching-with-mosfets/ | High Voltage Switching With MOSFETs | Al Williams | [
"Robots Hacks"
] | [
"h-bridge",
"mosfet",
"optoisolator",
"zener"
] | Using a MOSFET as a switch is generally pretty simple. Make the gate voltage sufficient with respect to the source and current flows through the channel. However, if you are switching higher voltages, you may need some additional circuitry to protect the device’s gate and possibly the microcontroller driving the whole ... | 9 | 4 | [
{
"comment_id": "4627422",
"author": "JWhitten",
"timestamp": "2018-06-11T10:11:14",
"content": "I very much enjoy Lewis Loflin’s electronics videos. Thanks for pointing out another good one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4627472",
"author... | 1,760,374,334.260841 | ||
https://hackaday.com/2018/06/10/hackaday-links-benchoff-rants-on-flying-cars/ | Hackaday Links: Benchoff Rants On Flying Cars | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"Computex",
"Kitty Hawk",
"LED panel"
] | It’s time for Computex, and that means [Linus] has dropped something. I don’t know what, but he’s dropped something. It’s a meme or something at this point. What were the highlights? Asus announced
Project Precog
, a laptop with two screens. Yes, a touchscreen keyboard. It’s the 2018 version of the IBM Transnote or wha... | 52 | 17 | [
{
"comment_id": "4626625",
"author": "RandyKC",
"timestamp": "2018-06-10T23:21:40",
"content": "Linus Sebastian dropped something?Don’t worry, it probably rolled behind the sofa.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4626647",
"author": "Saabman",... | 1,760,374,334.452215 | ||
https://hackaday.com/2018/06/10/super-chromatic-peril-sensitive-sunglasses/ | Super Chromatic Peril Sensitive Sunglasses | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"gesture sensor",
"lcd",
"shutter shades"
] | The Joo Janta 200 super-chromatic peril-sensitive sunglasses were developed to help people develop a relaxed attitude to danger. By following the principle of, ‘what you don’t know can’t hurt you,’ these glasses turn completely opaque at the first sign of danger. In turn, this prevents you from seeing anything that mig... | 25 | 17 | [
{
"comment_id": "4626243",
"author": "Perry",
"timestamp": "2018-06-10T20:43:05",
"content": "Nice job.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4626277",
"author": "Daniel Matthews",
"timestamp": "2018-06-10T20:54:14",
"content": "Now all he... | 1,760,374,334.367452 | ||
https://hackaday.com/2018/06/10/joe-grand-is-hiding-data-in-plain-sight-leds-that-look-solid-but-send-a-message/ | Joe Grand Is Hiding Data In Plain Sight: LEDs That Look Solid But Send A Message | Mike Szczys | [
"Laser Hacks",
"LED Hacks",
"Wearable Hacks"
] | [
"BPW21R",
"data encoding",
"eTextiles",
"garment design",
"garment manufacturing",
"joe grand",
"kingpin",
"Kitty Yeung",
"optical sensor",
"OpticalSpy"
] | Thursday night was a real treat. I got to see both Joe Grand and Kitty Yeung at the HDDG meetup, each speaking about their recent work.
Joe walked us through
the OpticSpy
, his newest hardware product that had its genesis in some of the earliest days of data leakage. Remember those lights on old modems that would blink... | 19 | 8 | [
{
"comment_id": "4625922",
"author": "Art Mezins",
"timestamp": "2018-06-10T17:29:53",
"content": "It’s been known for a while that it’s possible to passively eavesdrop on conversations in rooms with windows. The windows resonate by sound of conversations and can be “heard” by “listening” to light r... | 1,760,374,334.511539 | ||
https://hackaday.com/2018/06/10/rubber-duck-debugging-the-digital-way/ | Rubber Duck Debugging The Digital Way | Dan Maloney | [
"Misc Hacks"
] | [
"accelerometer",
"attiny84",
"coding",
"debug",
"debuggin",
"GY-61",
"Magic 8-ball",
"Nokia 5110 LCD",
"rubber duck"
] | Anyone who slings code for a living knows the feeling all too well: your code is running fine and dandy one minute, and the next minute is throwing exceptions. You’d swear on a stack of O’Reilly books that you didn’t change anything, but your program stubbornly refuses to agree. Stumped, you turn to the only one who un... | 16 | 8 | [
{
"comment_id": "4625717",
"author": "e",
"timestamp": "2018-06-10T14:51:24",
"content": "A polyhedral dice with suggestions on the faces would probably achieve the same goal; i only mention it in case there’s a software bug that stops the digital one from working.",
"parent_id": null,
"dept... | 1,760,374,334.56298 | ||
https://hackaday.com/2018/06/10/coming-back-to-curving-bullets/ | Coming Back To Curving Bullets | Brian McEvoy | [
"Weapons Hacks"
] | [
"bb",
"bb gun",
"bullet",
"deflect",
"gun",
"magnet",
"not a toy",
"target"
] | What do you do when you have time, thousands of dollars worth of magnets, and you love Mythbusters? Science. At least, science with a flair for the dramatics. The myth that a magnetic wristwatch with today’s technology can stop, or even redirect, a bullet is firmly busted. The crew at [K&J Magnetics] wanted to
take the... | 23 | 10 | [
{
"comment_id": "4625543",
"author": "TL",
"timestamp": "2018-06-10T11:36:23",
"content": "Technically, its not a bullet, its a BB.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4625582",
"author": "rooterkyberian",
"timestamp": "2018-06-10T... | 1,760,374,334.680321 | ||
https://hackaday.com/2018/06/10/fail-of-the-week-never-trust-a-regulator-module/ | Fail Of The Week: Never Trust A Regulator Module | Jenny List | [
"Fail of the Week",
"Parts"
] | [
"3-terminal regulator",
"LoRa",
"regulator"
] | [Ryan Wamsley] has spent a lot of time over the past few months working on a new project, the Ultimate LoRa backplane. This is as its name suggests designed for LoRa wireless gateways, and packs in all the features he’d like to see in a LoRa expansion for the Nano Pi Duo.
His design features a three-terminal regulator,... | 47 | 19 | [
{
"comment_id": "4625524",
"author": "Jan",
"timestamp": "2018-06-10T11:22:29",
"content": "If the idea of this article is to learn something from the mistakes or mishaps of others… then at least tell us what the name/number of the used regulator is! Otherwise it makes no sense to, or does it?",
... | 1,760,374,334.909914 | ||
https://hackaday.com/2018/06/10/a-lesson-in-k40-laser-repair/ | A Lesson In K40 Laser Repair | Jenny List | [
"Laser Hacks"
] | [
"K40",
"K40 laser cutter",
"laser",
"laser cutter"
] | The K40 laser cutter has become ubiquitous in hackerspaces and well-equipped home workshops over the past few years, as a relatively inexpensive introduction to laser cutting and a machine that is readily hackable. Tokyo Hackerspace have one, but sadly
their laser tube failed after relatively little use
. Replacing a l... | 25 | 5 | [
{
"comment_id": "4625220",
"author": "0xfred",
"timestamp": "2018-06-10T08:12:00",
"content": "I find it’s almost impossible to get all the bubbles out unless you rotate the tube to two different positions every time you due up the pump. A couple of little bubbles don’t seem to matter to much though... | 1,760,374,334.969254 | ||
https://hackaday.com/2018/06/09/marvel-at-soviet-era-smart-displays-tiny-size/ | Marvel At Soviet-era Smart Display’s Tiny Size | Donald Papp | [
"hardware",
"Retrocomputing"
] | [
"490IP1",
"die",
"dip",
"integrated",
"intelligent LED",
"led",
"retro",
"soviet"
] | The Soviet-era 490IP1 LED. The digit is a mere 2.5 mm in height. Pictured with the Texas Instruments TIL306. [image:
industrialalchemy.org
]
It’s easy to assume that older components will be less integrated and bulkier than we might otherwise expect. Then something seems ahead of its time, like the teeny-tiny
490IP1 LE... | 14 | 2 | [
{
"comment_id": "4625292",
"author": "Charles",
"timestamp": "2018-06-10T09:07:27",
"content": "So what’s up with the large pins underneath? I feel this is a plugin module and the large pins made it easier to change and also were designed to ensure a good connection in harsh environments but….",
... | 1,760,374,335.020554 | ||
https://hackaday.com/2018/06/08/a-fully-open-source-raspberry-pi-synthesizer/ | A Fully Open Source Raspberry Pi Synthesizer | Tom Nardi | [
"digital audio hacks",
"Musical Hacks",
"Raspberry Pi"
] | [
"midi",
"open hardware",
"raspberry pi",
"synthesizer"
] | Have you ever seen something and instantly knew it was something you wanted, even though you weren’t aware it existed a few seconds ago? That’s how we felt when we received a tip about
Zynthian, a fully open source (hardware and software) synthesizer
. You can buy the kit online directly from the developers, or build y... | 19 | 10 | [
{
"comment_id": "4622909",
"author": "Redhatter (VK4MSL)",
"timestamp": "2018-06-09T08:47:09",
"content": "“A Fully* Open Source Raspberry Pi Synthesizer”* excluding the schematic of the Raspberry Pi and the blob used by its Broadcom SoC to boot up.Still, it’s closer than a lot of the competition, s... | 1,760,374,335.07973 |
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