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https://hackaday.com/2018/08/28/nasa-shows-off-its-big-computer-in-1986/ | NASA Shows Off Its Big Computer In 1986 | Al Williams | [
"Retrocomputing"
] | [
"cray",
"history",
"nasa",
"retrocomputing"
] | Sometimes it is hard to remember just how far computers have come in the last three or four decades.
An old NASA video
(see below) has been restored with better sound and video recently that shows what passed for a giant computer in 1986. The Cray 2 runs at 250 MHz and had two gigabytes of memory (256
megabytes of
mill... | 55 | 14 | [
{
"comment_id": "4944708",
"author": "Yann Guidon / YGDES",
"timestamp": "2018-08-29T02:09:39",
"content": "I saw a decommissioned one in a computing center.It was surprising because it was smaller than its other decommissioned family members…",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,374,251.476915 | ||
https://hackaday.com/2018/08/28/empty-can-upcycled-into-portable-speaker/ | Empty Can Upcycled Into Portable Speaker | Tom Nardi | [
"3d Printer hacks",
"digital audio hacks"
] | [
"3d printing",
"portable speaker",
"trash",
"upcycle"
] | We aren’t suggesting you go digging through the trash looking for empty cans, but if you’ve already got some empty cans in the privacy of your own home, you could certainly do worse than turning them into unique enclosures for your electronics projects. Better than sitting in the landfill, surely.
This hack from [Robin... | 26 | 14 | [
{
"comment_id": "4943361",
"author": "Saabman",
"timestamp": "2018-08-28T23:38:46",
"content": "Of course it’s realy hard to tell sound quality through this medium but it sounded a bit tinny, lolThe next step would be to characterize the response of the tin and port the enclosures appropriately to e... | 1,760,374,251.232033 | ||
https://hackaday.com/2018/08/28/recreating-the-amiga-1200-pcb-from-pictures/ | Recreating The Amiga 1200 PCB From Pictures | Tom Nardi | [
"classic hacks",
"hardware",
"Retrocomputing"
] | [
"amiga",
"Amiga 1200",
"pcb",
"reverse engineering",
"vintage computing"
] | In the past we’ve talked about one of the major downsides of working with vintage computer hardware, which of course is the fact you’re working with vintage computer hardware. The reality is that these machines were never designed to be up and running 20, 30, or even 40-odd years after they were manufactured. Component... | 35 | 11 | [
{
"comment_id": "4941220",
"author": "Ren",
"timestamp": "2018-08-28T20:24:33",
"content": "I’m surprised that he started this project in June and now has a working board!As I am not an Amigan, have USB devices (keyboard/Mouse/whatever) been adapted to Amiga?What about newer disk drives, HDMI, or DR... | 1,760,374,251.860614 | ||
https://hackaday.com/2018/08/28/see-the-fabulous-workmanship-in-this-smart-pressure-regulator/ | See The Fabulous Workmanship In This Smart Pressure Regulator | Donald Papp | [
"chemistry hacks",
"The Hackaday Prize",
"Tool Hacks"
] | [
"2018 Hackaday Prize",
"air pressure",
"atmega",
"Atmel",
"microfluidics",
"pressure sensor",
"proportional solenoid",
"regulator",
"solenoid"
] | For many projects that require control of air pressure, the usual option is to hook up a pump, maybe with a motor controller to turn it on and off, and work with that. If one’s requirements can’t be filled by that level of equipment and control, then it’s time to look at commercial regulators. [Craig Watson] did exactl... | 8 | 6 | [
{
"comment_id": "4940678",
"author": "Severe Tire Damage",
"timestamp": "2018-08-28T18:50:59",
"content": "Nice project. I have worked with some commercial regulators (Bellofram units) on professional projects. These have entirely analog control circuitry and mysterious air mainfolds with a voice ... | 1,760,374,251.283308 | ||
https://hackaday.com/2018/08/28/publish-or-perish-the-sad-genius-of-ignaz-semmelweis/ | Publish Or Perish: The Sad Genius Of Ignaz Semmelweis | Dan Maloney | [
"Biography",
"Medical Hacks",
"Original Art"
] | [
"autopsy",
"bacteria",
"cadaver",
"childbirth",
"fever",
"hygiene",
"infection",
"profiles in science",
"public health"
] | Of all the lessons that life hands us, one of the toughest is that you can be right about something but still come up holding the smelly end of the stick. Typically this is learned early in life, but far too many of us avoid this harsh truth well into adulthood. And in those cases where being right is literally a matte... | 31 | 12 | [
{
"comment_id": "4940195",
"author": "Darren",
"timestamp": "2018-08-28T17:04:50",
"content": "This is a lovely article, even though it is not one I was expecting for hackaday. It is a great lesson in not just going along with the way everyone else does things, a central concept in the hacker ethos!... | 1,760,374,251.60539 | ||
https://hackaday.com/2018/08/28/openscad-handles-the-math-in-3d-printed-holder-for-magnetic-spheres/ | OpenSCAD Handles The Math In 3D Printed Holder For Magnetic Spheres | Donald Papp | [
"3d Printer hacks",
"how-to"
] | [
"3d printed",
"bike encoder",
"diy",
"encoder",
"hall effect",
"magnet",
"magnetic sphere",
"openscad",
"sensor"
] | 3D printed holder mounted to bike wheel, fitting precisely 38 magnetic spheres around its perimeter. Tedious math? Not if you make OpenSCAD do it.
Off-the-shelf components are great; the world and our work simply wouldn’t be the same without. But one of the constraints is that one has to design around them, and that’s ... | 35 | 12 | [
{
"comment_id": "4939915",
"author": "Ren",
"timestamp": "2018-08-28T15:52:27",
"content": "I would still want an outer retainer ring to keep the magnets from getting bumped/flung off.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4940421",
"author"... | 1,760,374,251.679464 | ||
https://hackaday.com/2018/08/20/the-forgotten-art-of-riveted-structures/ | The Forgotten Art Of Riveted Structures | Jenny List | [
"Hackaday Columns",
"History",
"Tool Hacks"
] | [
"blacksmith",
"metalwork",
"rivet"
] | If you are in the habit of seeking out abandoned railways, you may have stood in the shadow of more than one Victorian iron bridge. Massive in construction, these structures have proved to be extremely robust, with many of them still in excellent condition even after years of neglect.
A handsome riveted railway bridge,... | 60 | 28 | [
{
"comment_id": "4896396",
"author": "Tom Brusehaver",
"timestamp": "2018-08-20T17:11:40",
"content": "Most modern aircraft still use rivets. They are aluminium, and squeezed, without heating them.Some rivets are pulled (pop like rivets).",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,251.387777 | ||
https://hackaday.com/2018/08/20/badgelife-the-hardware-demoscene/ | Badgelife, The Hardware Demoscene Documentary | Brian Benchoff | [
"cons",
"Featured",
"hardware",
"Slider"
] | [
"badgelife",
"DEF CON",
"def con badge",
"hardware"
] | Last week, tens of thousands of people headed home from Vegas, fresh out of this year’s DEF CON. This was a great year for DEF CON, especially when it comes to hardware. This was the year independent badges took over, thanks to a small community of people dedicated to creating small-run hardware, puzzles, and PCB art f... | 19 | 8 | [
{
"comment_id": "4896370",
"author": "svofski",
"timestamp": "2018-08-20T17:03:05",
"content": "I do not think that throwing some LEDs on a cartoon-shaped PCB compares to programming a crazy 80s computer to do things it wasn’t supposed to be able to do.",
"parent_id": null,
"depth": 1,
"... | 1,760,374,252.018607 | ||
https://hackaday.com/2018/08/20/installing-libreboot-the-very-lazy-way/ | Installing LibreBoot The (Very) Lazy Way | Tom Nardi | [
"computer hacks",
"Featured",
"Interest",
"laptops hacks"
] | [
"bios",
"flashrom",
"libreboot",
"magnesium",
"raspberry pi",
"T400",
"thinkpad"
] | Recently I was given a somewhat crusty looking ThinkPad T400 that seemed like it would make a good knock around machine to have on the bench, if it wasn’t for the fact the person who gave it to me had forgotten (or perhaps never knew) the BIOS password. Cleaning the machine up, putting more RAM in it, and swapping the ... | 47 | 12 | [
{
"comment_id": "4896028",
"author": "Clovis Fritzen",
"timestamp": "2018-08-20T14:44:54",
"content": "Complex “build”, not something you see every day on Hackaday; I am glad you brought it here. But as for myself, I would never try it myself in any machine I care about. Prefer to have a locked,comm... | 1,760,374,251.950086 | ||
https://hackaday.com/2018/08/20/build-a-fun-cpu-in-your-browser/ | Build A Fun CPU In Your Browser | Al Williams | [
"FPGA"
] | [
"custom cpu",
"fpga",
"logic design"
] | A rite of passage for a digital designer is to build a CPU. That may seem a formidable task and if you are thinking of building a modern CPU like the one in your PC, it is. However, a simple CPU is well within the reach of anyone who can sling some logic gates or HDL. We’ve even seen CPUs built in Minecraft. Now you ca... | 16 | 5 | [
{
"comment_id": "4895720",
"author": "Ostracus",
"timestamp": "2018-08-20T12:23:29",
"content": "“A rite of passage for a digital designer is to build a CPU. ”Team. Lots of breadboards. x86 something.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4895724",
... | 1,760,374,251.530201 | ||
https://hackaday.com/2018/08/20/an-upcycled-speaker-box-with-hidden-features/ | An Upcycled Speaker Box With Hidden Features | Tom Nardi | [
"home entertainment hacks",
"Raspberry Pi"
] | [
"amplifier",
"raspberry pi",
"speaker",
"trash",
"upcycled"
] | At first glance, this fire engine red speaker box built by [NoshBar] looks straightforward enough. Just an MDF case and couple of drivers recovered from a trashed stereo. But the array of controls and connectors on the front, and a peek on the inside, shows
there’s more to this particular project than meets the eye
.
B... | 3 | 3 | [
{
"comment_id": "4895554",
"author": "Saabman",
"timestamp": "2018-08-20T10:54:31",
"content": "Its screaming for some excessive illumination to finish it off.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4896696",
"author": "echodelta",
"timestamp":... | 1,760,374,252.323955 | ||
https://hackaday.com/2018/08/19/the-engineering-of-an-ultrasonic-phased-array/ | The Engineering Of An Ultrasonic Phased Array | Jenny List | [
"digital audio hacks"
] | [
"phased array",
"ultrasonic array",
"ultrasonic levitation"
] | Ultrasonic phased arrays are one of the wonders of the moment, with videos of small items being levitated by them shared far and wide. We’ve all seen them and some of us have even wondered about building them, but what about the practical considerations? Just how would you drive a large array of ultrasonic transducers,... | 19 | 7 | [
{
"comment_id": "4895004",
"author": "Mike Massen",
"timestamp": "2018-08-20T05:25:01",
"content": "Geesh !What an interesting project for all sorts of entertainment and stem demonstration school education opportunities. Didn’t know about the hv583 – intriguing for all sorts of E field electrophores... | 1,760,374,252.225251 | ||
https://hackaday.com/2018/08/19/restoring-a-100-year-old-vice-to-pristine-condtion/ | Restoring A 100 Year Old Vice To Pristine Condition | Steven Dufresne | [
"Tool Hacks"
] | [
"bench tools",
"restoration",
"tools",
"vice"
] | We love our vices. They hold pipes for us to saw away at, wood while we carve, and circuit boards so that we can solder on components. So we keep them in shape by cleaning and greasing them every now and then, [MakeEverything] went even further. He found a 100-year-old vice that was in very rough shape and which was go... | 28 | 15 | [
{
"comment_id": "4894601",
"author": "RetiredHobgoblin",
"timestamp": "2018-08-20T02:22:46",
"content": "It’s spelled vise. Vice is a completely different thing. Guess you used the British spelling?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4894612",
... | 1,760,374,252.386573 | ||
https://hackaday.com/2018/08/19/hackaday-links-august-19-2018/ | Hackaday Links: August 19, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"badgelife",
"motorcycle",
"primitive technology",
"sao",
"Simple Add-On",
"standards"
] | If you want to creep everyone out, [Hunter Irving] has your back.
He found a weird, creepy knock-off Thomas the Tank Engine toy
and mounted a servo to it. This animatronic face is really, really creepy and has the aesthetic of a pastel plastic hell of the forgotten toys destroyed in a day care in 1991. It probably smel... | 20 | 12 | [
{
"comment_id": "4894293",
"author": "deshipu",
"timestamp": "2018-08-19T23:27:27",
"content": "One of the extra pins could be unregulated power directly from the battery, for the more power-intensive applications where you don’t want to make the LDO on the badge glow. The other could be a neopixel ... | 1,760,374,252.282615 | ||
https://hackaday.com/2018/08/19/wiring-the-esp-32-to-ethernet/ | Wiring The ESP-32 To Ethernet | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"ESP",
"ESP-32",
"ethernet",
"PoE"
] | Since its introduction years ago, the ESP-8266 has taken over the world. It’s the chip inside thousands of different projects, and the basis for dozens of different IoT thingamadoos. The follow-up to the 8266, the ESP-32, is even more capable. It has a ton of peripherals inside, including an Ethernet MAC. What’s that? ... | 42 | 15 | [
{
"comment_id": "4894133",
"author": "anonymous",
"timestamp": "2018-08-19T20:34:32",
"content": "Other then being a cool hack, why! Might as well kust use a proper micro with a mac. Unless he wants to make a cheap AP for the other sensors, but then its more of a money saving thing.If you are not u... | 1,760,374,252.772788 | ||
https://hackaday.com/2018/08/19/getting-resourceful-to-build-a-home-cnc/ | Getting Resourceful To Build A Home CNC | Lewin Day | [
"cnc hacks"
] | [
"cnc",
"LinuxCNC",
"recycle",
"recycling"
] | CNC really is a game changer when it comes to machining. If your motor skills or ability to focus aren’t all there, you don’t need to worry – the computer will handle the manual task of machining for you! These builds are popular for DIYers to undertake, as they enable the production of all manner of interesting and ad... | 23 | 4 | [
{
"comment_id": "4893710",
"author": "regdog",
"timestamp": "2018-08-19T17:22:46",
"content": "I love building stuff from junk. This is a cool build, but hard to replicate as the junk it is built from is pretty unique. Still a very nice transformation.",
"parent_id": null,
"depth": 1,
... | 1,760,374,252.648671 | ||
https://hackaday.com/2018/08/19/cody-builds-a-chlorine-machine/ | [Cody] Builds A Chlorine Machine | Dan Maloney | [
"chemistry hacks"
] | [
"bleach",
"brine",
"chlorine",
"electrochemistry",
"electrolysis",
"mercury",
"sodium hypochlorite"
] | In his continuing bid to have his YouTube channel demonetized, [Cody] has decided to share how he makes chlorine gas in his lab. Because nothing could go wrong with something that uses five pounds of liquid mercury and electricity to make chlorine, hydrogen, and lye.
We’ll be the first to admit that we don’t fully unde... | 51 | 13 | [
{
"comment_id": "4891898",
"author": "Jon Smirl",
"timestamp": "2018-08-19T14:19:13",
"content": "Pump is probably using principles from magnetohydrodyamics.https://en.wikipedia.org/wiki/Magnetohydrodynamic_drive",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,374,252.954036 | ||
https://hackaday.com/2018/08/19/nasa-wants-you-to-design-their-robot/ | NASA Wants You… To Design Their Robot | Al Williams | [
"News"
] | [
"astrobee",
"international space station",
"iss",
"nasa",
"robot"
] | No one loves a good competition more than Hackaday. We run enough to keep anyone busy. But if you have a little spare time after designing your one inch PCB, you might check out the competition to develop a robotic arm for
NASA’s Astrobee robot
.
Some of the challenges are already closed, but there are quite a few stil... | 9 | 6 | [
{
"comment_id": "4891168",
"author": "allassignmentexperts",
"timestamp": "2018-08-19T11:08:28",
"content": "Thanks for sharing the amazing post.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4891396",
"author": "John",
"timestamp": "2018-08-19T12:11:... | 1,760,374,252.691097 | ||
https://hackaday.com/2018/08/19/weaponized-fidget-spinners/ | Weaponized Fidget Spinners | Lewin Day | [
"Weapons Hacks"
] | [
"compressed air",
"fidget",
"Fidget Spinner",
"fidget spinners"
] | Fidget spinners were the
hottest new craze
at one point, but their 15 minutes of fame has well and truly passed. They’re great for fidgeting, and not a whole lot else. One of the main objectives around their use is to spin them as quickly as possible. After [Sushi Ramen] hurt himself after spinning one up with compress... | 12 | 11 | [
{
"comment_id": "4891136",
"author": "Dion",
"timestamp": "2018-08-19T11:03:02",
"content": "Anyone else thinking ‘japanese Colin furze’?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4891209",
"author": "MK 2",
"timestamp": "2018-08-19T11:19:23",
... | 1,760,374,252.863981 | ||
https://hackaday.com/2018/08/18/custom-split-flap-display-is-a-unique-way-to-show-the-weather/ | Custom Split-Flap Display Is A Unique Way To Show The Weather | Dan Maloney | [
"Misc Hacks"
] | [
"api",
"arduino",
"flip-card",
"icon",
"split-flap display",
"stepper",
"weather"
] | There’s little doubt about the charms of a split-flap display. Watching a display build up a clear, legible message by flipping cards can be mesmerizing, whether on a retro clock radio from the 70s or as part of a big arrival and departure display at an airport or train station. But
a weather station with a split-flap ... | 10 | 5 | [
{
"comment_id": "4890029",
"author": "Mike Massen",
"timestamp": "2018-08-19T05:38:54",
"content": "Interesting, good value for power efficiency since could be easily configured to operate for very short time only and the motion sound great as alert too.I’d like to grab the earlier large airport dis... | 1,760,374,252.82005 | ||
https://hackaday.com/2018/08/18/pc-in-an-snes-case-is-a-weirdly-perfect-fit/ | PC In An SNES Case Is A Weirdly Perfect Fit | Tom Nardi | [
"classic hacks",
"computer hacks",
"Nintendo Hacks"
] | [
"casemod",
"mini-itx",
"nintendo",
"noctua",
"snes"
] | For better or for worse, a considerable number of the projects we’ve seen here at Hackaday can be accurately summarized as: “Raspberry Pi put into
something
.” Which is hardly a surprise, the Pi is so tiny that it perfectly lends itself to getting grafted into unsuspecting pieces of consumer tech. But we see far fewer ... | 20 | 10 | [
{
"comment_id": "4889579",
"author": "cb88",
"timestamp": "2018-08-19T03:01:30",
"content": "Needs one of these in there …https://hackaday.com/2009/06/19/usb-reader-for-snes-game-carts/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4895769",
"author... | 1,760,374,253.01969 | ||
https://hackaday.com/2018/08/18/how-the-8087-coprocessor-got-its-bias/ | How The 8087 Coprocessor Got Its Bias | Steven Dufresne | [
"classic hacks",
"hardware"
] | [
"8087",
"charge pump",
"ken shirriff",
"reverse engineering",
"ring oscillator"
] | Most of us have been there. You build a device but realize you need two or more voltages. You could hook up multiple power supplies but that can be inconvenient and just not elegant. Alternatively, you can do something in the device itself to create the extra voltages starting with just one. When [Ken Shirriff]
decappe... | 8 | 5 | [
{
"comment_id": "4889591",
"author": "Pez",
"timestamp": "2018-08-19T03:04:55",
"content": "“The 8087 could perform about 50,000 FLOPS[5] using around 2.4 watts.” .. Ha, I remember being obsessed with using one of those for doing FFTs back in the day.",
"parent_id": null,
"depth": 1,
"re... | 1,760,374,253.248325 | ||
https://hackaday.com/2018/08/18/when-every-last-nanoamp-matters/ | When Every Last Nanoamp Matters | Brian Benchoff | [
"green hacks",
"Radio Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"led",
"nanoamp"
] | You can get electricity from just about anything. That old crystal radio kit you built as a kid taught you that, but how about doing something a little more interesting than listening to the local AM station with an earpiece connected to a radiator?
That’s what the Electron Bucket is aiming to do
. It’s a power harvest... | 21 | 7 | [
{
"comment_id": "4888671",
"author": "Gregg Eshelman",
"timestamp": "2018-08-18T20:29:58",
"content": "Connect the power pins of UV erasable EPROM chips in series to make a wimpy photovoltaic module.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4888751",
... | 1,760,374,253.207197 | ||
https://hackaday.com/2018/08/18/an-achievable-underwater-camera/ | An Achievable Underwater Camera | Jenny List | [
"digital cameras hacks",
"Robots Hacks"
] | [
"raspberry pi",
"sensor",
"underwater camera",
"underwater sensor"
] | We are surrounded by sensors for all forms of environmental measurement, and a casual browse through an electronics catalogue can see an experimenter tooled up with the whole array for a relatively small outlay. When the environment in question is not the still air of your bench but the turbulence, sand, grit, and mud ... | 11 | 5 | [
{
"comment_id": "4888113",
"author": "Jerry",
"timestamp": "2018-08-18T17:08:18",
"content": "Looks like fun, however, I’ve tried many “Underwater” cameras over the years, and my Nikon seems to be the best for me,Quick boot to first shot, 4K video, built in flash. Next month, I’m off to dive in Sout... | 1,760,374,253.149982 | ||
https://hackaday.com/2018/08/18/bench-power-supply-packs-a-lot-into-a-din-rail-package/ | Bench Power Supply Packs A Lot Into A DIN-Rail Package | Dan Maloney | [
"Misc Hacks",
"Tool Hacks"
] | [
"bench power supply",
"buck",
"dc-dc",
"DIN rail",
"DPS3005",
"lm2596"
] | We’re not sure why we’ve got a thing for DIN-rail mounted projects, but we do. Perhaps it’s because we’ve seen so many cool industrial control cabinets, or maybe the forced neatness of DIN-mounted components resonates on some deep level. Whatever it is, if it’s DIN-rail mounted, chances are good that we’ll like it.
Tak... | 8 | 3 | [
{
"comment_id": "4887802",
"author": "Goose Andeluse",
"timestamp": "2018-08-18T14:49:25",
"content": "Maybe printed DIN clips for hacker projects would be the ticket. It’s true that these mounts urge a next-level neatness, but I generally find that a DIN component costs 2 to 3 times more. The rails... | 1,760,374,253.295694 | ||
https://hackaday.com/2018/08/18/jb-weld-strong-enough-to-repair-a-connecting-rod/ | JB Weld – Strong Enough To Repair A Connecting Rod? | Lewin Day | [
"classic hacks"
] | [
"connecting rod",
"engine",
"epoxy",
"JB Weld"
] | JB Weld is a particularly popular brand of epoxy, and features in many legends. “
My cousin’s neighbour’s dog trainer’s grandpa once repaired a Sherman tank barrel in France with that stuff!
” they’ll say. Thankfully, with the advent of new media, there’s a wealth of content out there of people putting these wild and i... | 26 | 12 | [
{
"comment_id": "4887433",
"author": "Someone",
"timestamp": "2018-08-18T11:14:37",
"content": "Just… Why is this guy shouting ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4887572",
"author": "DainBramage",
"timestamp": "2018-08-18T12:27:... | 1,760,374,254.137061 | ||
https://hackaday.com/2018/08/18/a-motion-coprocessor-without-the-proprietary-layer/ | A Motion Coprocessor Without The Proprietary Layer | Jenny List | [
"Parts"
] | [
"coprocessor",
"MAX32660",
"motion coprocessor"
] | When you have a complex task that would sap the time and energy of your microprocessor, it makes sense to offload it to another piece of hardware. We are all used to this in the form of the graphics chipsets our computers use — specialised processors whose computing power in that specific task easily outshines that of ... | 17 | 6 | [
{
"comment_id": "4887172",
"author": "tomás zerolo",
"timestamp": "2018-08-18T08:42:20",
"content": "Thanks for this one. Seems my free time next month is accounted for now :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4887265",
"author": "Hump",
... | 1,760,374,253.359615 | ||
https://hackaday.com/2018/08/17/multi-switch-useless-box-is-useless-in-multiple-ways/ | Multi-switch Useless Box Is Useless In Multiple Ways | Richard Baguley | [
"hardware"
] | [
"arduino",
"useless",
"useless box"
] | We’ve probably all seen (and built) a useless box, in which you flip a switch that activates a servo that pops out a finger and flips the switch off. [Coffeman500] decided to take this a step further by building a
useless box with multiple switches
. Flip one, the finger pops out to flip it back. Flip several switches,... | 11 | 4 | [
{
"comment_id": "4886652",
"author": "Gregg Eshelman",
"timestamp": "2018-08-18T05:15:56",
"content": "Three switches? Pfaugh! Here’s one with eight.https://www.youtube.com/watch?v=Nqk_nWAjBus",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4886684",
... | 1,760,374,253.627705 | ||
https://hackaday.com/2018/08/17/radio-antenna-mismatching-vswr-explained/ | Radio Antenna Mismatching: VSWR Explained | Al Williams | [
"Radio Hacks"
] | [
"antenna matching",
"return loss",
"VSWR"
] | If you have ever operated any sort of transmitting equipment, you’ve probably heard about matching an antenna to the transmitter and using the right co-ax cable. Having everything match — for example, at 50 or 75 ohms — allows the most power to get to the antenna and out into the airwaves. Even for receiving this is im... | 34 | 8 | [
{
"comment_id": "4886329",
"author": "regdog",
"timestamp": "2018-08-18T02:08:42",
"content": "Boy, back in my day, we had pi networks in the rigs that matched tubes to the antenna and transmission line. Funny how the concept of “tuning up” a rig is like using a rotary dial on a phone. Something a... | 1,760,374,253.582464 | ||
https://hackaday.com/2018/08/17/a-tiny-steering-wheel-you-can-print/ | A Tiny Steering Wheel You Can Print | Lewin Day | [
"3d Printer hacks"
] | [] | Racing games are a great way to test drive that Ferrari you can’t quite afford yet, and the quality of simulations has greatly improved in the last 30 or so years. While there are all manner of high-quality steering wheels to connect to your PC or home console, many gamers still choose to play using a typical controlle... | 7 | 6 | [
{
"comment_id": "4886294",
"author": "Krazeecain",
"timestamp": "2018-08-18T01:48:10",
"content": "This could be perfect for Beamng.Drive, I might have to try it! Shame that it covers the other analogue stick though…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id... | 1,760,374,253.510033 | ||
https://hackaday.com/2018/08/17/the-wonderful-world-of-usb-type-c/ | The Wonderful World Of USB Type-C | Kerry Scharfglass | [
"computer hacks",
"how-to"
] | [
"specification",
"USB 3.1",
"USB Type-C",
"USB-PD"
] | Despite becoming common over the last few years USB-C remains a bit of a mystery. Try asking someone with a new blade-thin laptop what ports it has and the response will often include an awkward pause followed by “USB-C?”. That is unless you hear “USB 3” or maybe USB 3.1. Perhaps even “a charging port”. So what is that... | 58 | 9 | [
{
"comment_id": "4885108",
"author": "Mike",
"timestamp": "2018-08-17T20:05:54",
"content": "What blows me away is the shortsighted vision of the engineers when they made USB-C. Its grate you can plug the one end in any direction. But Damit! why didn’t they do that to the other end as well. Sheesh,... | 1,760,374,254.005054 | ||
https://hackaday.com/2018/08/17/turning-cheap-wifi-modules-into-cheap-wifi-swiss-army-knives/ | Turning Cheap WiFi Modules Into Cheap WiFi Swiss Army Knives | Brian Benchoff | [
"The Hackaday Prize",
"Wireless Hacks"
] | [
"2018 Hackaday Prize",
"ESP",
"ESP-8266",
"wifi"
] | When the ESP8266 was released, it was sold as a simple device that would connect to a WiFi network over a UART. It was effectively a WiFi modem for any microcontroller, available for just a few bucks. That in itself is awesome, but then the hackers got their hands on it. It turns out, the ESP8266 is actually a very cap... | 22 | 7 | [
{
"comment_id": "4884831",
"author": "Paul Stoffregen",
"timestamp": "2018-08-17T18:43:55",
"content": "I wonder if any company will believe Kortex is “confusingly similar” to their well established microcontroller architecture trademark?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,253.904855 | ||
https://hackaday.com/2018/08/17/circuit-vr-a-tale-of-two-transistors/ | Circuit VR: A Tale Of Two Transistors | Al Williams | [
"Skills"
] | [
"bipolar transistor",
"circuit vr",
"common collector",
"common emitter",
"emitter follower",
"LTSpice",
"spice simulation",
"transistor"
] | Last time
on Circuit VR, we looked at creating a very simple common emitter amplifier, but we didn’t talk about how to select the capacitor values, or much about why we wanted them. We are going to look at that this time, as well as how to use a second transistor in an emitter follower (or common collector) configurati... | 8 | 5 | [
{
"comment_id": "4884500",
"author": "James Stoffel",
"timestamp": "2018-08-17T17:20:12",
"content": "Thank you for these articles! I always learn something new from them!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4884536",
"author": "Miroslav",
... | 1,760,374,253.848629 | ||
https://hackaday.com/2018/08/17/semi-automated-winder-spins-rotors-for-motors/ | Semi-automated Winder Spins Rotors For Motors | Dan Maloney | [
"Misc Hacks"
] | [
"arduino",
"brushed",
"brushless",
"filament",
"motor",
"rotor",
"spinning",
"stator",
"stepper"
] | What’s your secret evil plan? Are you looking for world domination by building a machine that can truly replicate itself? Or are you just tired of winding motor rotors and other coils by hand? Either way,
this automated coil winder
is something you’re probably going to need.
We jest in part, but it’s true that closing ... | 8 | 5 | [
{
"comment_id": "4884266",
"author": "Jerry",
"timestamp": "2018-08-17T15:35:31",
"content": "Perfect for slot car motors, eh?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4884364",
"author": "ajford",
"timestamp": "2018-08-17T16:23:08",
"content... | 1,760,374,253.790296 | ||
https://hackaday.com/2018/08/17/getting-an-rf-low-pass-filter-right/ | Getting An RF Low-Pass Filter Right | Jenny List | [
"Radio Hacks"
] | [
"filters",
"LC filters",
"low pass filter",
"Pi-network filters",
"radio"
] | If you are in any way connected with radio, you will have encountered the low pass filter as a means to remove unwanted harmonics from the output of your transmitters. It’s a network of capacitors and inductors usually referred to as a pi-network after the rough resemblance of the schematic to a capital Greek letter Pi... | 19 | 10 | [
{
"comment_id": "4884455",
"author": "Josh D",
"timestamp": "2018-08-17T17:00:50",
"content": "I have always been just a little confounded by the overlapping concepts of cutoff, power transfer, and impedance matching, all effect of the same filter at the same time. I can handle the ideas of any by ... | 1,760,374,254.062918 | ||
https://hackaday.com/2018/08/17/whats-behind-the-door-an-iot-light-switch/ | What’s Behind The Door? An IoT Light Switch | Kristina Panos | [
"home hacks",
"Microcontrollers"
] | [
"ESP8266",
"home automation",
"IoT light switch",
"NodeMCU"
] | We’re not sure who designed [Max Glenister]’s place, but they had some strange ideas about interior door positioning. The door to his office is right next to a corner, yet it opens into the room instead of toward the wall. Well, that issue’s been taken care of. But the architect and the electrician got the last laugh, ... | 33 | 12 | [
{
"comment_id": "4883571",
"author": "Gregg Bond (@cabe_bedlam)",
"timestamp": "2018-08-17T11:08:34",
"content": "The apocryphal tradition for why doors open into a room is because it preserves privacy by blocking the view into the room, giving the occupant a chance to cover up or warn the person en... | 1,760,374,254.20762 | ||
https://hackaday.com/2018/08/17/no-sd-card-slot-no-problem/ | No SD Card Slot? No Problem! | Jenny List | [
"Parts"
] | [
"paperclip",
"Popsicle stick",
"sd",
"sd card",
"SD card holder"
] | We feature hacks on this site of all levels of complexity. The simplest ones are usually the most elegant of “Why didn’t I think of that!” builds, but just occasionally we find something that is as much a bodge as a hack, a piece of work the sheer audacity of which elicits a reaction that has more of the “How did they ... | 23 | 11 | [
{
"comment_id": "4882565",
"author": "svofski",
"timestamp": "2018-08-17T08:04:13",
"content": "Heh. Full sized SD card adapters make nice bodgeful holders for micro SD cards.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4883989",
"author": "Shanno... | 1,760,374,254.353084 | ||
https://hackaday.com/2018/08/16/pcb-junk-drawer-turned-into-blinky-mosaic/ | PCB Junk Drawer Turned Into Blinky Mosaic | Richard Baguley | [
"Arduino Hacks"
] | [
"Junk build",
"leds",
"pcb"
] | We’ve all got a box full of old PCBs, just waiting to be stripped of anything useful. [Dennis1a4] decided to do something with his, turning it into an
attractive mosaic that he hung on the wall of his new workshop.
But this isn’t just a pile of old PCBs: [Dennis1a4] decided to use the LEDs that were on many of the old ... | 7 | 5 | [
{
"comment_id": "4882287",
"author": "Genki",
"timestamp": "2018-08-17T07:03:15",
"content": "I’d make mine more like Data’s head from Star Trek TNG. Hundreds blinky LEDs that makes it look like it’s actually working.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_... | 1,760,374,254.39479 | ||
https://hackaday.com/2018/08/16/digital-dining-with-charged-chopsticks/ | Digital Dining With Charged Chopsticks | Brian McEvoy | [
"cooking hacks",
"Medical Hacks"
] | [
"augment",
"augmented",
"chopsticks",
"cooking",
"diet",
"eating",
"electrified",
"electrified chopsticks",
"flavor",
"food",
"perception",
"salt",
"sour",
"taste",
"taste buds"
] | You step out of the audience onto a stage, and a hypnotist hands you a potato chip. The chip is salty and crunchy and you are convinced the chip is genuine. Now, replace the ordinary potato chip with a low-sodium version and replace the hypnotist with an Arduino. [Nimesha Ranasinghe] at the University of Maine’s Multis... | 14 | 4 | [
{
"comment_id": "4881732",
"author": "Black Mage",
"timestamp": "2018-08-17T04:39:09",
"content": "The links lead strait to a pay wall besides I think all this will do is just make everything taste like licking the top of a half dead 9v battery.",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,374,254.44632 | ||
https://hackaday.com/2018/08/16/a-surprisingly-practical-numitron-watch/ | A Surprisingly Practical Numitron Watch | Tom Nardi | [
"classic hacks",
"clock hacks",
"Wearable Hacks"
] | [
"atmega328",
"LED driver",
"nixie",
"numitron",
"watch"
] | Regular Hackaday readers are surely familiar with Nixie tubes: the fantastically retro cold cathode display devices that hackers have worked into all manner of devices (especially timepieces) to give them an infusion of glowing faux nostalgia. But unfortunately, Nixie displays are fairly fragile and can be tricky to dr... | 6 | 3 | [
{
"comment_id": "4881065",
"author": "GC-1005",
"timestamp": "2018-08-17T00:28:05",
"content": "My 1970’s era Heathkit digital clock, model GC-1005 used a similar type of display (and it has been going strong 24 x 7 for over 40 years straight !). The display modules were called “Panaplex”https://thu... | 1,760,374,254.491178 | ||
https://hackaday.com/2018/08/16/hanging-sliding-raspi-camera-adds-dimension-to-octoprint/ | Hanging, Sliding Raspi Camera Adds Dimension To Octoprint | Kristina Panos | [
"Raspberry Pi"
] | [
"octolapse",
"Octoprint",
"raspberry pi",
"Raspi",
"raspi camera",
"Remote monitoring",
"zip ties"
] | Are you using Octoprint yet? It’s so much more than just a way to control your printer over the internet, or to keep tabs on it over webcam when you’re off at work or fetching a beer. The 3D printing community has rallied around Octoprint, creating all sorts of handy plug-ins like Octolapse, which lets you watch the pr... | 13 | 5 | [
{
"comment_id": "4880202",
"author": "Perry",
"timestamp": "2018-08-16T22:47:04",
"content": "I found the video to choppy using a P.I. for a video feed. I found that this setup was was not going to work at all.Not that I don’t like P.i.’s. I have about 6 of them, just not for video.So I ended up u... | 1,760,374,254.544953 | ||
https://hackaday.com/2018/08/16/getting-kitted-to-teach-your-first-hardware-workshop/ | Getting Kitted To Teach Your First Hardware Workshop | Sonya Vasquez | [
"cons",
"Hackaday Columns",
"how-to",
"Interest"
] | [
"2017 Hackaday Superconference",
"2018 Hackaday Superconference",
"CO2 laser cutter",
"delrin",
"diy laser cutter",
"Homebrew Tentacle Mechanisms",
"workshop"
] | I was always a sucker for art classes in my early days. There was something special about getting personal instruction while having those raw materials in your hands at the same time. Maybe it was the patient voice of the teacher or the taste of the crayons that finally got to my head. Either way, I started thinking: “... | 10 | 4 | [
{
"comment_id": "4878472",
"author": "Steven Dufresne",
"timestamp": "2018-08-16T17:34:59",
"content": "“Either way, I started thinking: ‘I want to do this; I want to teach this stuff.'” Been there, done that!I still have your previous article bookmarked in my todo list. Would have been great to tak... | 1,760,374,254.608513 | ||
https://hackaday.com/2018/08/16/breakfast-at-def-con-the-greatest-illicit-meetup-of-all/ | Breakfast At DEF CON — The Greatest Illicit Meetup Of All | Mike Szczys | [
"cons",
"Hackaday Columns"
] | [
"breakfast at def con",
"DEF CON",
"DEFCON 26",
"smd soldering",
"smd soldering challenge"
] | Every year we host
Breakfast at DEF CON
on the Sunday morning of the largest hacker conference in the United States. I think it’s a brilliant time to have a meetup — almost nobody is out partying on Sunday morning, and coffee and donuts is a perfect way to get your system running again after too much excess from Saturd... | 5 | 2 | [
{
"comment_id": "4878582",
"author": "a_do_z",
"timestamp": "2018-08-16T18:13:44",
"content": "Looking at some of the pictures leaves me wondering at what point will the pretense be dispensed with entirely to start up a Badge-Con? :)",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,254.718585 | ||
https://hackaday.com/2018/08/16/darpa-goes-underground-for-next-challenge/ | DARPA Goes Underground For Next Challenge | Roger Cheng | [
"contests",
"Robots Hacks"
] | [
"autonomous drone",
"autonomous robot",
"cave",
"cave mapping",
"darpa",
"robot",
"robotics",
"subway",
"underground"
] | We all love reading about creative problem-solving work done by competitors in past DARPA robotic challenges. Some of us even have ambition to join the fray and compete first-hand instead of just reading about them after the fact. If this describes you, step on up to the
DARPA Subterranean Challenge
.
Following up on p... | 16 | 9 | [
{
"comment_id": "4878066",
"author": "policiazz",
"timestamp": "2018-08-16T15:35:52",
"content": "Hopefully this time, simulations will run faster than during the Space Robotic Challenge.Kind of painful to wait +6hours for a 30min simulation",
"parent_id": null,
"depth": 1,
"replies": []... | 1,760,374,254.65902 | ||
https://hackaday.com/2018/08/16/jump-start-your-car-with-a-drill-battery/ | Jump Start Your Car With A Drill Battery | Lewin Day | [
"car hacks"
] | [
"car",
"car hacks",
"daihatsu",
"daihatsu feroza",
"drill batteries",
"drill battery",
"feroza",
"jump start",
"jump starter"
] | Sometimes, you move to a new city, and things just aren’t going your way. You’re out of cash, out of energy, and thanks to your own foolishness, your car’s battery is dead. You need to jump-start the car, but you’re feeling remarkably antisocial, and you don’t know anyone else in town you can call. What do you do?
It’s... | 99 | 27 | [
{
"comment_id": "4877758",
"author": "Franqlin",
"timestamp": "2018-08-16T14:05:17",
"content": "Mikes Electric Stuff did a video on this back in 2015 as well, starting a huge truck with a Makita drill battery. I found that video fascinating (YouTube link AsTJKSH7mCU)",
"parent_id": null,
"... | 1,760,374,255.180822 | ||
https://hackaday.com/2018/08/16/welcome-to-the-internet-of-swords/ | Welcome To The Internet Of Swords | Tom Nardi | [
"Arduino Hacks",
"Weapons Hacks"
] | [
"Adafruit Feather",
"ble",
"internet of things",
"katana"
] | As has been made abundantly clear by the advertising department of essentially every consumer electronics manufacturer on the planet:
everything
is improved by the addition of sensors and a smartphone companion app. Doesn’t matter if it’s your thermostat or your toilet, you absolutely must know at all times that it’s o... | 22 | 8 | [
{
"comment_id": "4877268",
"author": "Alex",
"timestamp": "2018-08-16T11:04:27",
"content": "I thought about doing this for fencing swords like the foil, epee and sabre many times!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4878545",
"author": "R... | 1,760,374,255.035754 | ||
https://hackaday.com/2018/08/16/theo-jansen-invents-a-faster-simpler-wind-powered-strandbeest/ | Theo Jansen Invents A Faster, Simpler, Wind-Powered Strandbeest | Steven Dufresne | [
"Robots Hacks",
"Slider"
] | [
"strandbeest",
"theo jansen",
"wave"
] | [Theo Jansen] has come up with
a
n intriguing wind-powered strandbeest
which races along the beach with surprising speed and grace. According to [Jansen], it “doesn’t have hinging joints like the classical strandbeests, so they don’t get sand in their joints and you don’t have to lubricate them.” It’s called UMINAMI, w... | 25 | 13 | [
{
"comment_id": "4876843",
"author": "Gijs Noorlander",
"timestamp": "2018-08-16T08:18:53",
"content": "Theo Jansen is a true genius to design and build his “strandbeesten” (“Beach animals” in Dutch)I’ve seen videos of these for years and I am a true admirer of these contraptions which are simple an... | 1,760,374,254.971954 | ||
https://hackaday.com/2018/08/15/zener-diode-tutorial/ | Zener Diode Tutorial | Al Williams | [
"Parts"
] | [
"avalanche",
"voltage reference",
"voltage regulator",
"w2aew",
"zener",
"zener diode"
] | We always enjoy [w2aew’s] videos, and his latest on
zener diodes
is no exception. In it, he asserts that all Zener diodes are not created equal. Why? You’ll have to watch the video below to find out.
Zener diodes are one of those strange items that have several uses but are not as popular as they once were. There was a... | 22 | 6 | [
{
"comment_id": "4876676",
"author": "Peter_S",
"timestamp": "2018-08-16T06:04:32",
"content": "It is always the same lazy editor.Please take note, Mr Zener himself refused to call the diodes he created after his name.Call them Z-diodes , please.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,374,255.23848 | ||
https://hackaday.com/2018/08/15/before-sending-a-probe-to-the-sun-make-sure-it-can-take-the-heat/ | Before Sending A Probe To The Sun, Make Sure It Can Take The Heat | Roger Cheng | [
"Space"
] | [
"exploration",
"heliophysics",
"nasa",
"satellite",
"solar",
"solar wind",
"space",
"space exploration"
] | This past weekend, NASA’s Parker Solar Probe took off for a journey to study our local star. While its mission is well covered by science literate media sources, the equally interesting behind-the-scenes information is a little harder to come by. For that, we have Science News who
gave us a look at some of the work
tha... | 61 | 12 | [
{
"comment_id": "4876203",
"author": "Sean Semple",
"timestamp": "2018-08-16T02:12:57",
"content": "Think about the cycle here.An engineer determines a test for the equipment that will go to the sun.Another engineer designs the equipment that will test the equipment that will go to the sun.He determ... | 1,760,374,255.388085 | ||
https://hackaday.com/2018/08/15/every-shop-needs-a-giant-wooden-utility-knife/ | Every Shop Needs A Giant Wooden Utility Knife | Tom Nardi | [
"Tool Hacks"
] | [
"giant",
"scale",
"utility knife",
"woodworking"
] | Generally speaking, we don’t cover that many woodworking projects here at Hackaday. What’s the point? It’s bad enough that wood reminds us of the outside world, but it hardly ever blinks, and forget about connecting it to Wi-Fi. This doesn’t seem to bother you fine readers, so we have to assume most of you feel the sam... | 7 | 3 | [
{
"comment_id": "4876131",
"author": "Mechanicus",
"timestamp": "2018-08-16T00:07:29",
"content": "https://www.youtube.com/watch?v=SXIbHKVBHawZNA’s build however not nearly as polished was much funnier.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4876185",
... | 1,760,374,255.28797 | ||
https://hackaday.com/2018/08/15/dont-forget-your-mints-when-using-this-synthesizer/ | Don’t Forget Your Mints When Using This Synthesizer | Bryan Cockfield | [
"Musical Hacks"
] | [
"arduino",
"breath",
"controller",
"instrument",
"mega",
"otamatone",
"pressure",
"sensor",
"shield",
"snythesizer",
"synth",
"wind"
] | While synthesizers in the music world are incredibly common, they’re not all keyboard-based instruments as you might be imagining. Especially if you’re trying to get a specific feel or sound from a synthesizer in order to mimic a real instrument, there might be a better style synth that you can use. One of these types ... | 11 | 7 | [
{
"comment_id": "4875582",
"author": "AVR",
"timestamp": "2018-08-15T20:02:30",
"content": "I had this idea a few weeks ago, neat to see its already been done, great work !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4875597",
"author": "RW",
"time... | 1,760,374,257.11955 | ||
https://hackaday.com/2018/08/15/rover-v2-handles-stairs-as-easily-as-the-outdoors/ | Rover V2 Handles Stairs As Easily As The Outdoors | Donald Papp | [
"Raspberry Pi",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"3d printed",
"planetary gears",
"python",
"raspberry pi",
"robotic",
"rover"
] | Rover V2
is an open-source, 3D-printable robotic rover platform that has seen a lot of evolution and development from its creator, [tlalexander]. There are a number of interesting things about Rover V2’s design, such as the way the wheel hubs themselves contain motors and custom planetary gearboxes. This system is comp... | 10 | 3 | [
{
"comment_id": "4875236",
"author": "foxpup",
"timestamp": "2018-08-15T18:50:26",
"content": "I love the springs. I just wish they were adjustable. I guess you could just use different springs as needed. They would be easy to switch out.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,257.514202 | ||
https://hackaday.com/2018/08/15/track-everything-everywhere-with-an-iot-barcode-scanner/ | Track Everything, Everywhere With An IoT Barcode Scanner | Sean Boyce | [
"Hackaday Columns",
"how-to",
"Tool Hacks"
] | [
"altoids tin",
"barcode scanner",
"ESP8266",
"NodeMCU",
"reverse engineering"
] | I’ve always considered barcodes to be one of those invisible innovations that profoundly changed the world. What we might recognize as modern barcodes were originally designed as a labor-saving device in the rail and retail industries, but were quickly adopted by factories for automation, hospitals to help prevent medi... | 33 | 14 | [
{
"comment_id": "4874756",
"author": "Shannon",
"timestamp": "2018-08-15T17:25:13",
"content": "You found 43 barcodes?! I’d kind of like to see a picture of your messy desk. I found 12 on my desk, most of them on my limited array of stationery.",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,374,257.260509 | ||
https://hackaday.com/2018/08/15/friday-hack-chat-led-diffusion/ | Friday Hack Chat: LED Diffusion | Brian Benchoff | [
"Hackaday Columns",
"LED Hacks"
] | [
"Diffusion",
"Friday Hack Chat",
"Hack Chat",
"led",
"LED Diffuser"
] | A decade ago, the first Arduino projects featuring addressable RGB LEDs came on the scene, and the world hasn’t been the same since. Now we have full wall video displays with WS2812s and APA102s, wearable blinky, and entire suits of armor made of LEDs. The future is bright, and in RGB.
For this week’s Hack Chat, we’re ... | 27 | 14 | [
{
"comment_id": "4874597",
"author": "foxpup",
"timestamp": "2018-08-15T16:39:39",
"content": "This blog is a great idea. I’m posting here mainly to effectively subscribe to whatever anyone says about the diffusing light. :-)Personally, passing light through materials has been something I have pre... | 1,760,374,257.639573 | ||
https://hackaday.com/2018/08/15/arcade-inspired-halloween-candy-dispenser/ | Arcade Inspired Halloween Candy Dispenser | Tom Nardi | [
"hardware",
"Holiday Hacks"
] | [
"arcade",
"candy",
"dispenser",
"game",
"halloween"
] | The days are getting shorter and the nights are a little cooler, which can only mean one thing: it’s officially time to start devising the trials you’ll put the neighborhood children through this Halloween. For [Randall Hendricks], that means building a new candy dispensing machine to make sure the kids have to work fo... | 3 | 3 | [
{
"comment_id": "4874495",
"author": "Robert Mateja",
"timestamp": "2018-08-15T16:12:35",
"content": "Coin pusher scam to the next level :) love it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4875531",
"author": "mrskeltal",
"timestamp": "2018-08-1... | 1,760,374,257.304694 | ||
https://hackaday.com/2018/08/14/diy-wind-turbine-for-where-the-sun-doesnt-shine/ | DIY Wind Turbine For Where The Sun Doesn’t Shine | Rich Hawkes | [
"green hacks",
"The Hackaday Prize"
] | [
"generate power",
"savonius wind turbine",
"vertical axis wind turbine",
"Wind turbine"
] | There are plenty of places outside where you may like to have a project requiring electricity that may not get enough sun for solar power to be viable. Perhaps wind power could be used instead? [Greg] has a project to
create a platform for using a small wind turbine
to generate the power for your projects.
The wind tur... | 25 | 8 | [
{
"comment_id": "4870712",
"author": "Mike Massen",
"timestamp": "2018-08-14T18:45:05",
"content": "Nice one, like the idea of the offset design re wind dynamics, would be interested in seeing simulation and site data logging those odd details to explore correlations in respect of maximising efficie... | 1,760,374,257.574882 | ||
https://hackaday.com/2018/08/14/behind-the-pin-logic-level-outputs/ | Behind The Pin: Logic Level Outputs | Jenny List | [
"Engineering",
"Hackaday Columns",
"Original Art",
"Parts"
] | [
"74 series logic",
"behind the pin",
"digital logic",
"logic"
] | There is one thing that unites almost every computer and logic circuit commonly used in the hardware hacking and experimentation arena. No matter what its age, speed, or internal configuration, electronics speak to the world through logic level I/O. A single conductor which is switched between voltage levels to denote ... | 20 | 13 | [
{
"comment_id": "4870443",
"author": "MJ",
"timestamp": "2018-08-14T17:40:44",
"content": "And when it comes to GPIOs, we might have OpenDrain, OpenSource, asymmetric source/sink, programmable slew-rates and dynamics such as transition-accelerated edges but static high imedance drivers, etc.Datashee... | 1,760,374,257.185074 | ||
https://hackaday.com/2018/08/14/looking-forward-to-electromagnetic-field-2018/ | Looking Forward To Electromagnetic Field 2018 | Jenny List | [
"cons"
] | [
"electromagnetic field",
"Electromagnetic Field 2018",
"emf",
"EMF camp",
"EMF camp 2018"
] | There is an air of excitement among the hackerspaces of Europe, because this month is hacker camp season. In Denmark they have
Bornhack
beginning on Thursday, in Italy
IHC
was held earlier in the month, while here in the UK we are looking forward to
Electromagnetic Field
. We’re excited be at Eastnor Castle for Electro... | 18 | 8 | [
{
"comment_id": "4870207",
"author": "Ren",
"timestamp": "2018-08-14T17:04:52",
"content": "So, it is held bi-annually?Will Colin Furze be there?Which flavo[u]r of tea will you bring?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4870587",
"author":... | 1,760,374,257.703049 | ||
https://hackaday.com/2018/08/14/leather-working-with-a-3d-printer/ | Leather Working With A 3D Printer | Al Williams | [
"3d Printer hacks",
"Wearable Hacks"
] | [
"3d printing",
"embossing",
"leather",
"vise"
] | No, you can’t print in leather — at least not yet. But [Make Everything] has a tutorial about how to produce
a custom leather embossing jig with a 3D printer
. From a 3D printing point of view, this isn’t very hard to do and you might want to skip over the first six minutes of the video if you’ve done 3D printing befor... | 22 | 8 | [
{
"comment_id": "4869532",
"author": "Pablo E. Untroib",
"timestamp": "2018-08-14T15:13:32",
"content": "I’m a knifemaker and also do leather stamps using my cnc router, couple of tips: there is no need to leave it 10 minutes, once you mark the wet leather it stays marked forever. What takes time, b... | 1,760,374,257.365609 | ||
https://hackaday.com/2018/08/14/virgin-orbit-readies-first-launch/ | Virgin Orbit Readies First Launch | Tom Nardi | [
"Space",
"Transportation Hacks"
] | [
"B-52",
"commercial space",
"LauncherOne",
"rocketry",
"Virgin Galactic",
"X-15"
] | Ever since the Pan Am “Space Clipper” first slid into frame in 1968’s
“2001: A Space Odyssey”
, the world has been waiting for the day that privately funded spaceflight would become as routine as air travel. Unfortunately, it’s a dream that’s taken a bit longer to become reality than many would have hoped. The loss of
... | 61 | 14 | [
{
"comment_id": "4869341",
"author": "Ren",
"timestamp": "2018-08-14T14:43:11",
"content": "Considering how much fuel is consumed just to get a rocket “to clear the tower”, I thought launching from an aircraft at 11000 meters at say 450 Kmph would have brought much larger fuel and fuel weight saving... | 1,760,374,257.467701 | ||
https://hackaday.com/2018/08/14/run-a-linux-terminal-on-cheap-e-ink-displays/ | Run A Linux Terminal On Cheap E-Ink Displays | Tom Nardi | [
"Linux Hacks",
"Raspberry Pi",
"Slider",
"Software Hacks"
] | [
"e-ink",
"linux",
"terminal",
"waveshare"
] | If you haven’t kept up with the world of e-ink displays, here’s some good news: they are pretty cheap now. For as little as $15 you can get a small e-ink display that has good enough performance and contrast to actually do something useful. There’s only one problem: figuring out how to drive them in your project.
Tired... | 49 | 15 | [
{
"comment_id": "4867941",
"author": "valerioparis",
"timestamp": "2018-08-14T11:10:06",
"content": "The refresh speed on the video is impressive for an eInk display.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4868600",
"author": "Kalfelz Gui",
... | 1,760,374,257.815805 | ||
https://hackaday.com/2018/08/14/internet-of-tea-coaster-watches-for-optimum-drinking-temperature/ | Internet Of Tea: Coaster Watches For Optimum Drinking Temperature | Dan Maloney | [
"cooking hacks"
] | [
"coaster",
"Discord",
"ESP8266",
"ir",
"Melexis MLX90616",
"tea"
] | Ah, the age-old question: at what temperature does one’s tea need to be for maximum enjoyment? It’s subjective, of course, but subjective in a way that makes everyone else’s opinion demonstrably wrong. What’s worse, the window of opportunity for optimum tea temperature is extremely narrow. What’s a tea drinker to do?
T... | 3 | 3 | [
{
"comment_id": "4867288",
"author": "Mano",
"timestamp": "2018-08-14T09:25:40",
"content": "Error 418?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4867924",
"author": "Dave Davidson",
"timestamp": "2018-08-14T11:07:04",
"content": "pretty much ... | 1,760,374,258.226474 | ||
https://hackaday.com/2018/08/15/stop-using-python-2-what-you-need-to-know-about-python-3/ | Stop Using Python 2: What You Need To Know About Python 3 | Ben James | [
"Featured",
"Interest",
"Slider",
"Software Development"
] | [
"differences",
"enum",
"features",
"imports",
"python",
"python 2.7",
"python 3",
"release",
"string formatting",
"unpacking",
"upgrade",
"vs"
] | Though Python 3 was released in 2008, many projects are still stuck on Python 2.
It’s understandable that porting large existing codebases to a new version is a prospect which sends a shiver down many a developer’s spine. But code inevitably needs to be maintained, and so when all the shiny new features that would fix ... | 113 | 37 | [
{
"comment_id": "4874123",
"author": "James",
"timestamp": "2018-08-15T14:12:51",
"content": "Just don’t use Google’s current Python course :)https://developers.google.com/edu/python/introduction“As mentioned on the setup page, this material covers Python 2. While we recommend “avoiding” Python 3 fo... | 1,760,374,258.839938 | ||
https://hackaday.com/2018/08/15/a-remotely-controlled-kindle-page-turner/ | A Remotely Controlled Kindle Page Turner | Tom Nardi | [
"Arduino Hacks",
"Kindle hacks"
] | [
"3d printed",
"arduino",
"automation",
"e-reader",
"kindle"
] | One of the biggest advantages of e-readers such as the Kindle is the fact that it doesn’t weigh as much as a traditional hardcover book, much less the
thousands
of books it can hold in digital form. Which is especially nice if you drop the thing on your face while reading in bed. But as light and easy to use as the Kin... | 25 | 12 | [
{
"comment_id": "4873714",
"author": "cyk",
"timestamp": "2018-08-15T11:44:37",
"content": "I would’ve expected something that sends a page turn command to the kindle via WiFi, but, well, ok.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4873730",
"... | 1,760,374,258.678842 | ||
https://hackaday.com/2018/08/15/replacement-audi-plastics-thanks-to-3d-printing/ | Replacement Audi Plastics Thanks To 3D Printing | Lewin Day | [
"car hacks"
] | [
"3d printed",
"Audi",
"car",
"replacement parts"
] | Old cars can be fun, and as long as you drive something that was once moderately popular, mechanical parts can be easy enough to come by. Things like filters, spark plugs, idle air solenoids – they’re generally available for decades after a car is out of production as long as you know where to look. However, plastics c... | 39 | 10 | [
{
"comment_id": "4872981",
"author": "CoM",
"timestamp": "2018-08-15T08:25:32",
"content": "I made a couple BMW parts and one got flagged for copyright infringement. I remade them without logos and haven’t seen another notice yet.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,258.46657 | ||
https://hackaday.com/2018/08/14/reinforce-happy-faces-with-marshmallows-and-computer-vision/ | Reinforce Happy Faces With Marshmallows And Computer Vision | Al Williams | [
"Raspberry Pi"
] | [
"catapult",
"marshmallow",
"open cv",
"raspberry pi",
"smile detection"
] | Bing Crosby famously sang “Just let a smile be your umbrella.” George Carlin, though, said, “Let a smile be your umbrella, and you’ll end up with a face full of rain.” [BebBrabyn] probably agrees more with the former and used a Raspberry Pi with Open CV to detect a smile, a feature some digital cameras have had for a l... | 3 | 3 | [
{
"comment_id": "4872533",
"author": "Saabman",
"timestamp": "2018-08-15T05:35:22",
"content": "This is pretty cool ,I could envision one of those big foam hands attached to it – smile to hard and you get smacked in the head ….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,374,258.187763 | ||
https://hackaday.com/2018/08/14/a-radar-module-teardown-and-measuring-fan-speed-the-hard-way/ | A Radar Module Teardown And Measuring Fan Speed The Hard Way | Dan Maloney | [
"Radio Hacks",
"Teardown"
] | [
"butterfly",
"colpitts oscillator",
"coupler",
"Doppler",
"microwave",
"mixer",
"radar",
"rat-race"
] | If you have even the slightest interest in microwave electronics and radar, you’re in for a treat. The Signal Path is back with another video, and this one covers
the internals of a simple 24-GHz radar module
along with some experiments that we found fascinating.
The radar module that [Shahriar] works with in the video... | 12 | 6 | [
{
"comment_id": "4872964",
"author": "Perry",
"timestamp": "2018-08-15T08:15:47",
"content": "WOWI think you did a great job.I learned a lot.Thanks",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4874663",
"author": "TheSignalPath Blog (@TheSignalPath... | 1,760,374,258.275873 | ||
https://hackaday.com/2018/08/14/foreshadow-the-sky-is-falling-again-for-intel-chips/ | Foreshadow: The Sky Is Falling Again For Intel Chips | Brian Benchoff | [
"News",
"Security Hacks"
] | [
"cpu",
"foreshadow",
"intel",
"intel CPU",
"Meltdown",
"security",
"Spectre"
] | It’s been at least a month or two since the last vulnerability in Intel CPUs was released, but this time it’s serious.
Foreshadow
is the latest speculative execution attack that allows balaclava-wearing hackers to steal your sensitive information. You know it’s a real 0-day because it already has a domain, a logo, and ... | 46 | 11 | [
{
"comment_id": "4871858",
"author": "drwho8 (@drwho8)",
"timestamp": "2018-08-14T23:12:06",
"content": "And Intel needs to make their security pages easier to understand. I know the P3 in my Dell Dimension isn’t effected by that one. And I still haven’t found out if this one is effected by this one... | 1,760,374,258.613005 | ||
https://hackaday.com/2018/08/14/all-the-badges-of-def-con-26-vol-1/ | All The Badges Of DEF CON 26 (vol 1) | Mike Szczys | [
"cons",
"Hackaday Columns",
"Roundup",
"Slider"
] | [
"add-ons",
"badges",
"DEF CON",
"DEFCON 26",
"unofficial"
] | Two or three years back you would see a handful of really interesting unofficial badges at DEF CON. Now, there’s a deluge of clever, beautiful, and well executed badges. Last weekend I tried to see every badge and meet every badge maker. Normally, I would publish one megapost to show off everything I had seen, but this... | 11 | 8 | [
{
"comment_id": "4871233",
"author": "Pete",
"timestamp": "2018-08-14T20:17:14",
"content": "My kid wants to go next year just to get a linecon badge like that… *sigh*",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4871236",
"author": "Ren",
"timestam... | 1,760,374,258.530793 | ||
https://hackaday.com/2018/08/13/project-orion-detonating-nuclear-bombs-for-thrust/ | Project Orion: Detonating Nuclear Bombs For Thrust | Steven Dufresne | [
"Featured",
"History",
"Original Art",
"Space"
] | [
"nuclear",
"nuclear fission",
"Project Orion",
"spaceship"
] | Rockets with nuclear bombs for propulsion sounds like a Wile E. Coyote cartoon, but it has been seriously considered as an option for the space program. Chemical rockets combust a fuel with an oxidizer within themselves and exhaust the result out the back, causing the rocket to move in the opposite direction. What if i... | 63 | 24 | [
{
"comment_id": "4863176",
"author": "Eric",
"timestamp": "2018-08-13T14:09:54",
"content": "Fwiw, for a while (lack of research on my part) I thought Orion was the only nuclear-powered rocketry application but as it turns out there were 2 – Nuclear Pulse Propulsion (Orion) and Nuclear Thermal Propu... | 1,760,374,258.950092 | ||
https://hackaday.com/2018/08/13/modern-pc-crammed-into-an-original-xbox/ | Modern PC Crammed Into An Original Xbox | Tom Nardi | [
"classic hacks",
"Games",
"Slider",
"Xbox Hacks"
] | [
"3d printing",
"htpc",
"microsoft",
"xbox"
] | When the original Microsoft Xbox was released in 2001, one of the most notable features of its design was that it used a number of off-the-shelf computer components. Inside contemporary offerings from Nintendo and Sony you’ll see almost nothing but proprietary components, whereas cracking open the Xbox reveals an IDE h... | 19 | 15 | [
{
"comment_id": "4862957",
"author": "Ostracus",
"timestamp": "2018-08-13T12:55:56",
"content": "“Depending on which team you were on, the Xbox’s close relation to PC hardware of the day was either a point of honor or ridicule in the early 2000’s console wars”It did liven up the “is it live, or is i... | 1,760,374,259.0083 | ||
https://hackaday.com/2018/08/13/gamers-rejoice-heres-a-fix-for-asus-strix-vega-64-thermal-issues/ | Gamers Rejoice: Here’s A Fix For ASUS Strix Vega 64 Thermal Issues | Lewin Day | [
"computer hacks"
] | [
"heat",
"mosfet",
"Thermal",
"thermal issues",
"thermal pad",
"thermal paste",
"voltage regulator",
"vrm"
] | Every year, we demand our computers to be ever faster, capable of delivering progressively more eye-watering graphics and doing it all as reliably as ever. Unfortunately, sometimes, new designs miss the mark. [Cloakedbug] was having issues with voltage regulator temperatures on an ASUS Strix VEGA 64 — one of the latest... | 11 | 5 | [
{
"comment_id": "4861271",
"author": "Dave Davidson",
"timestamp": "2018-08-13T09:32:54",
"content": "Cost cutting strix again instead of a properly crafted cooling solution to begin with all for a few million extra.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,374,259.054246 | ||
https://hackaday.com/2018/08/12/build-your-own-linux-single-board-computer/ | Build Your Own Linux Single Board Computer | Jenny List | [
"hardware"
] | [
"Alwinner V3",
"Blueberry Pi",
"SBC",
"single board computer"
] | We are fortunate enough to have a huge choice of single-board computers before us, not just those with a bare-metal microcontroller, but also those capable of running fully-fledged general purpose operating systems such as GNU/Linux. The Raspberry Pi is probably the best known of this latter crop of boards, and it has ... | 60 | 15 | [
{
"comment_id": "4860935",
"author": "foxpup",
"timestamp": "2018-08-13T05:33:23",
"content": "So I’m guessing there are no mystery binary blobs in this project like found in ther raspberry Pi so that’s good. I also assume the usb port there could be connected to usb devices like another ethernet p... | 1,760,374,259.469317 | ||
https://hackaday.com/2018/08/12/the-ins-and-outs-of-geiger-counters-for-personal-reasons/ | The Ins And Outs Of Geiger Counters, For Personal Reasons | Dan Maloney | [
"Medical Hacks",
"Misc Hacks"
] | [
"cancer",
"counter",
"detector",
"geiger",
"geiger-muller",
"iodine-131",
"probe",
"radioisotope",
"Radiotherapy",
"therapy"
] | There are times in one’s life when circumstances drive an intense interest in one specific topic, and we put our energy into devouring all the information we can on the subject. [The Current Source], aka [Derek], seems to be in such a situation these days, and his area of interest is radioactivity and its measurement. ... | 28 | 8 | [
{
"comment_id": "4860677",
"author": "Mike Massen",
"timestamp": "2018-08-13T02:41:14",
"content": "Interesting thanks, would like to craft a modern detector sooner than later for beta radiation in my food lab or even for my kitchen to check if other foods than those linked below are emitting anythi... | 1,760,374,259.370472 | ||
https://hackaday.com/2018/08/12/hackaday-links-august-12-2018/ | Hackaday Links: August 12, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"6502",
"bitfi",
"furby",
"mcaffee",
"via c3"
] | Falling into the marvelous space between, ‘I really want to do that’ and ‘but that’s a lot of work and I’m lazy’ comes
this reproduction of the motherboard from the original IBM 5150
. This is a complete reproduction of the first PC, being sold as a kit. Yes, chips are included, although I highly doubt they’ve gone thr... | 25 | 10 | [
{
"comment_id": "4859786",
"author": "nsayer",
"timestamp": "2018-08-12T23:06:13",
"content": "“The good news, and why this isn’t big news, is that this exploit only affects Via C3 CPUs. Yes, the other company besides Intel and AMD that makes x86 CPUs. These are commonly found in industrial equipmen... | 1,760,374,259.304083 | ||
https://hackaday.com/2018/08/12/tiny-solar-energy-module-tsem-brings-big-performance/ | Tiny Solar Energy Module (TSEM) Brings Big Performance | Donald Papp | [
"Solar Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"AEM10941",
"battery charger",
"charger",
"energy harvesting",
"lipo",
"pcb",
"solar"
] | The
Tiny Solar Energy Module (TSEM)
by [Jasper Sikken] is not only physically tiny at one-inch square, but it is all about gathering tiny amounts of solar energy — amounts too small to be useful in a conventional sense — and getting meaningful work done, like charging a battery for later use. Elements that make this bo... | 16 | 7 | [
{
"comment_id": "4858890",
"author": "Hene",
"timestamp": "2018-08-12T20:22:09",
"content": "I wonder if it gets sold anywhere at some point?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4861050",
"author": "Jasper Sikken",
"timestamp": "20... | 1,760,374,259.692793 | ||
https://hackaday.com/2018/08/13/raspberry-pi-foosball-scoreboard/ | Raspberry Pi Foosball Scoreboard | Tom Nardi | [
"classic hacks",
"Games",
"Raspberry Pi"
] | [
"foosball",
"nginx",
"raspberry pi",
"scoreboard"
] | Foosball, also known as table football, is a classic game from the 1920s that is completely devoid of the bells and whistles of modern gaming. Players control stoic little figures with the most simplistic of input devices in order to move a tiny ball to and fro on the playing field. So naturally, somebody thought they ... | 0 | 0 | [] | 1,760,374,259.51048 | ||
https://hackaday.com/2018/08/13/mit-makes-washable-led-fabric/ | MIT Makes Washable LED Fabric | Al Williams | [
"News",
"Wearable Hacks"
] | [
"e-textiles",
"eTextiles",
"fabric",
"fiber",
"led",
"mit",
"textiles",
"wearable"
] | Let’s face it, one of the challenges of wearable electronics is that people are filthy. Anything you wear is going to get dirty. If it touches you, it is going to get sweat and oil and who knows what else? And on the other side it’s going to get spills and dirt and all sorts of things we don’t want to think about on it... | 16 | 12 | [
{
"comment_id": "4866049",
"author": "Ostracus",
"timestamp": "2018-08-14T02:45:08",
"content": "“We often see research like this and have to admit that practical use of it will be many years away, if ever. However, according to reports, commercial products using these fibers will start appearing in... | 1,760,374,259.746315 | ||
https://hackaday.com/2018/08/13/converting-a-3-in-1-printer-into-a-wifi-scanner-just-because/ | Converting A 3-in-1 Printer Into A WiFi Scanner, Just Because | Steven Dufresne | [
"Misc Hacks"
] | [
"dumpster diving",
"scanner",
"wifi scanner"
] | [Zaprodk] had trash-picked a defunct HP Envy 450 AIO, a 3-in-1 printer, scanner, and copier. Normally there usually isn’t much use for these unless you’re willing to hunt down the cartridges which it used, so your next step is to dismantle it for parts. That’s what he was going to do but then decided to see
if he could... | 24 | 9 | [
{
"comment_id": "4865209",
"author": "Severe Tire Damage",
"timestamp": "2018-08-13T23:20:18",
"content": "I need to improve my dumpster diving skills! Actually I need to get rid of a scanner, monitor, and printer that I am tired of tripping over in my workshop. Everything has its limits — or you... | 1,760,374,259.906886 | ||
https://hackaday.com/2018/08/13/thomas-the-terrifying-karaoke-robot/ | Thomas The Terrifying Karaoke Robot | Kristina Panos | [
"Arduino Hacks",
"Robots Hacks"
] | [
"9G servo",
"Arduino Leonardo",
"karaoke",
"servo",
"speech synthesizer"
] | The junk bin can be a great source of inspiration, unless you’re too familiar with the contents to be imaginative with them. But thrift stores are another matter, like giant junk bins that are constantly replenished by underappreciated elves. You never know what kinds of goodies they will pile on the shelves, so it’s e... | 7 | 6 | [
{
"comment_id": "4864712",
"author": "nova",
"timestamp": "2018-08-13T21:08:02",
"content": "this is what I want to do with my life",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4865351",
"author": "neon22",
"timestamp": "2018-08-14T00:27:49... | 1,760,374,259.790979 | ||
https://hackaday.com/2018/08/13/power-generation-modules-mix-and-match-wind-water-and-hand-cranks/ | Power Generation Modules Mix And Match Wind, Water, And Hand Cranks | Donald Papp | [
"green hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"3d printed",
"generator",
"hand crank",
"LED lighting",
"off grid",
"turbine",
"water power",
"water turbine",
"wind power",
"Wind turbine"
] | What’s great about the
Power Generation Modules
project headed by [Cole B] is the focus on usability and modularity. The project is a system for powering and charging small devices using any number and combination of generator modules: wind turbine, hand-crank, and water turbine so far. Power management and storage is ... | 8 | 4 | [
{
"comment_id": "4864158",
"author": "Ren",
"timestamp": "2018-08-13T19:28:34",
"content": "Now add a thermocouple bank to supply power from a campfire.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4864368",
"author": "geobruce",
"timestamp... | 1,760,374,259.842284 | ||
https://hackaday.com/2018/08/13/dawn-of-the-first-digital-camera/ | Dawn Of The First Digital Camera | Al Williams | [
"digital cameras hacks",
"Hackaday Columns",
"History"
] | [
"digital camera",
"history",
"retrotechtacular"
] | Technology vanishes. It either succeeds and becomes ubiquitous or fails. For example, there was a time when networking and multimedia were computer buzzwords. Now they are just how computers work. On the other hand, when was the last time you thought about using a CueCat barcode reader to scan an advertisement? Then th... | 71 | 21 | [
{
"comment_id": "4863698",
"author": "Ostracus",
"timestamp": "2018-08-13T17:20:59",
"content": "“When digital started to pick up, they saw it as a way to get people to print more pictures, not as a way that would eventually replace most printed pictures.”Counter: Xerox Parc and the paperless office... | 1,760,374,260.022038 | ||
https://hackaday.com/2018/08/13/oil-immersed-raspberry-pi-keeps-its-cool-under-heavy-loads/ | Oil-Immersed Raspberry Pi Keeps Its Cool Under Heavy Loads | Dan Maloney | [
"Raspberry Pi"
] | [
"cooling",
"dielectric",
"immersion",
"oil",
"overclocking",
"Pi",
"Quake 3"
] | As a general rule, liquids and electronics don’t mix. One liquid bucks that trend, though, and can contribute greatly to the longevity of certain circuits: oil. Dielectric oil cools and insulates everything from the big mains transformers on the pole to switchgear in the substation. But what about oil for smaller circu... | 58 | 21 | [
{
"comment_id": "4863360",
"author": "Joel B",
"timestamp": "2018-08-13T15:18:43",
"content": "Rather than vegetable oil, would mineral oil work? It wouldn’t go rancid after a while like vegetable oils would. Not sure if it is conductive, though…",
"parent_id": null,
"depth": 1,
"repli... | 1,760,374,260.174317 | ||
https://hackaday.com/2018/08/12/the-electric-vehicles-of-electromagnetic-field-the-dustbin-7/ | The Electric Vehicles Of Electromagnetic Field: The Dustbin 7 | Jenny List | [
"Transportation Hacks"
] | [
"electric vehicle",
"Hacker camp vehicles",
"Scooter motor"
] | We’re producing an occasional series following some of the miniature electric vehicle builds currently underway at a feverish pace to be ready for the upcoming Electromagnetic Field hacker camp in the UK. Today we’re going down to Somerset, where [Rory] has produced a very serviceable machine
he calls the Dustbin 7
.
T... | 4 | 4 | [
{
"comment_id": "4859130",
"author": "CRJEEA",
"timestamp": "2018-08-12T20:58:58",
"content": "I’m currently wondering where this guy is. I too frequent Somerset on a regular basis. Although sadly current lacking the funds for larger projects. Fortunately there is a hacker space just down the road. ... | 1,760,374,260.064848 | ||
https://hackaday.com/2018/08/12/tariff-expansion-set-to-hit-3d-printing-right-in-the-filament/ | Tariff Expansion Set To Hit 3D-Printing Right In The Filament | Dan Maloney | [
"Current Events",
"Featured",
"News",
"Slider"
] | [
"abs",
"duties",
"duty",
"filament",
"PLA",
"tariff",
"tax"
] | Mere weeks after
tariffs were put into place
raising the cost of many Chinese-sourced electronics components by 25%, a second round of tariffs is scheduled to begin that will deal yet another blow to hackers. And this time it hits right at the heart of our community: 3D-printing.
A quick scan down the
final tariff list... | 139 | 24 | [
{
"comment_id": "4854703",
"author": "Ostracus",
"timestamp": "2018-08-12T14:10:06",
"content": "“TARIFF EXPANSION SET TO HIT 3D-PRINTING RIGHT IN THE FILAMENT”*crosses-legs* No they don’t. ;-p I’m thinking if anyone would get hit the most it would be commercial 3D-printers. Consumer 3D is a niche.... | 1,760,374,260.433894 | ||
https://hackaday.com/2018/08/12/hacking-a-solar-bubble-blaster-with-grandkids/ | Hacking A Solar Bubble Blaster With Grandkids | Steven Dufresne | [
"Toy Hacks"
] | [
"bubble machine",
"bubble maker",
"bubbles",
"soap",
"solar power",
"supercapacitors"
] | [Fmilburn] was having fun with his grandkids, playing around with a small Radio Shack solar panel, some supercapacitors and a Zener diode when the kids eventually moved on to blowing bubbles with their grandmother. To regain their interest he got an inexpensive battery powered,
soap Bubble Blaster and converted it to r... | 2 | 2 | [
{
"comment_id": "4860422",
"author": "allassignmentexperts",
"timestamp": "2018-08-13T00:56:25",
"content": "Nice post. Thanks for the information.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4862910",
"author": "anon",
"timestamp": "2018-08-13T12:3... | 1,760,374,260.257944 | ||
https://hackaday.com/2018/08/12/underwater-vr-offers-zero-gravity-on-a-budget/ | Underwater VR Offers Zero Gravity On A Budget | Tom Nardi | [
"3d Printer hacks",
"Cellphone Hacks",
"Virtual Reality"
] | [
"astronaut",
"google cardboard",
"underwater",
"vr"
] | Someday Elon Musk might manage to pack enough of us lowly serfs into one of his super rockets that we can actually afford a ticket to space, but until then our options for experiencing weightlessness are pretty limited. Even if you’ll settle for a ride on one of the so-called “Vomit Comet” reduced-gravity planes, you’l... | 9 | 6 | [
{
"comment_id": "4854619",
"author": "Jan",
"timestamp": "2018-08-12T13:29:19",
"content": "There’s perfectly waterproof and almost waterproof.Now you’ve made something and are about to insert your precious phone.Which one will it be… let’s find out and take a dive.wow… it really works.This is a who... | 1,760,374,260.486601 | ||
https://hackaday.com/2018/08/11/get-nostalgic-with-these-gamecube-themed-joy-cons/ | Get Nostalgic With These GameCube Themed Joy-Cons | Tom Nardi | [
"classic hacks",
"Games",
"Nintendo Hacks"
] | [
"gamecube",
"joy-con",
"nintendo",
"resin casting",
"switch"
] | There are a lot of good reasons to think fondly of the Nintendo GameCube.
Metroid Prime
and
Rogue Leader
knocked it out of the park. The Game Boy Player was cool. There’s even something to be said for having a convenient carrying handle on a system designed for couch multiplayer. But if you ask anyone who played Ninten... | 9 | 6 | [
{
"comment_id": "4853094",
"author": "Dave Davidson",
"timestamp": "2018-08-12T05:31:05",
"content": "Dye the Buttons even",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4853220",
"author": "Jorhlok",
"timestamp": "2018-08-12T06:07:56",
"content": ... | 1,760,374,260.610103 | ||
https://hackaday.com/2018/08/11/signal-generator-uses-fpga/ | Signal Generator Uses FPGA | Al Williams | [
"FPGA"
] | [
"cordic",
"dds",
"fpga",
"opal kelly",
"signal generator",
"xilinx"
] | Although there are a few exceptions, FPGAs are predominantly digital devices. However, many FPGA applications process analog data, so you often see an FPGA surrounded by analog and digital converters. This is so common that Opal Kelly — a producer of FPGA tools — launched the SYZYGY open standard for interconnecting de... | 10 | 8 | [
{
"comment_id": "4854634",
"author": "Ostracus",
"timestamp": "2018-08-12T13:36:57",
"content": "“As you might expect, [Armeen] used a lot of Opal Kelly hardware and software in the project.”Might be the start of the Raspberry Pi of the FPGA world*?*Kind of like what Broadcom did.",
"parent_id":... | 1,760,374,260.910557 | ||
https://hackaday.com/2018/08/11/car-hacking-at-def-con-26/ | Car Hacking At DEF CON 26 | Mike Szczys | [
"car hacks",
"cons",
"Hackaday Columns"
] | [
"autonomous vehicle",
"car hacking",
"car hacking village",
"ctf",
"DEF CON",
"DEFCON 26",
"escape room",
"mobility scooter"
] | A great place to get your feet wet with the data-network-wonderland that is modern-day automobiles is the Car Hacking Village at DEF CON. I stopped by on Saturday afternoon to see what it was all about and the place was packed. From Ducati motorcycles to junkyard instrument clusters, and from mobility scooters to auton... | 9 | 6 | [
{
"comment_id": "4852355",
"author": "RandyKC",
"timestamp": "2018-08-11T23:40:41",
"content": "ODB the rapper?????",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4852915",
"author": "Olsen",
"timestamp": "2018-08-12T04:09:54",
"conte... | 1,760,374,260.811385 | ||
https://hackaday.com/2018/08/11/lily-power-pods-make-the-seebeck-effect-look-good/ | Lily Power Pods Make The Seebeck Effect Look Good | Donald Papp | [
"green hacks",
"Solar Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"generator",
"peltier",
"seebeck",
"thermoelectric",
"thermoelectric effect"
] | Small proof of concept generating just under one volt in cloudy conditions.
The Seebeck effect (part of the broader thermoelectric effect) is how a difference in temperature can be directly converted into a voltage, and it is the operating principle behind things like thermocouples and Peltier junctions. Harnessing thi... | 7 | 5 | [
{
"comment_id": "4852756",
"author": "Saabman",
"timestamp": "2018-08-12T03:09:37",
"content": "Often I’ve found we look at obtaining the most efficient procedure/device etc. but been efficient is not necessarily the “best” way to accomplish a task something a les efficient system as pointed out in ... | 1,760,374,260.756703 | ||
https://hackaday.com/2018/08/11/electrostatically-accelerated-ping-pong-ball-travels-the-circuit/ | Electrostatically Accelerated Ping-Pong Ball Travels The Circuit | Jenny List | [
"Science"
] | [
"electrostatic",
"electrostatic accelerator",
"ping pong ball",
"ping-pong ball accelerator"
] | There is a special breed of hardware hacker whose playground lies in the high voltage arena. Their bench sizzles with the ozone and plasma of Tesla coils, and perhaps it’s best not to approach it without a handy fluorescent light tube to sniff for unseen hazards. There are many amazing things that can come of these exp... | 13 | 7 | [
{
"comment_id": "4851162",
"author": "stickben",
"timestamp": "2018-08-11T17:55:25",
"content": "Neat!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4852397",
"author": "regdog",
"timestamp": "2018-08-11T23:58:45",
"content": "My tho... | 1,760,374,260.863099 | ||
https://hackaday.com/2018/08/11/teardown-queercon-15-badge-and-the-game-hidden-within/ | Teardown: Queercon 15 Badge (and The Game Hidden Within) | Mike Szczys | [
"cons",
"Featured",
"Slider"
] | [
"badgelife",
"queercon",
"queercon b",
"queercon badge"
] | Queercon
is a conference within a conference. Taking place within DEF CON, Queercon is a social network of LGBT hackers that gathers each year to host events, talks, and a kickin’ pool party. Since 2012 they have also been building electronic badges as part of the fun and I can vouch that they’re contenders for most cr... | 15 | 5 | [
{
"comment_id": "4851084",
"author": "Nate B",
"timestamp": "2018-08-11T17:12:34",
"content": "It’s funny how something so simple as “I’ll use two dirt-cheap displays instead of one expensive display” can be transformative. I think we just naturally look at the amount of information we need to show,... | 1,760,374,260.9701 | ||
https://hackaday.com/2018/08/11/updating-a-1999-saab-with-an-arduino/ | Updating A 1999 Saab With An Arduino | Tom Nardi | [
"Arduino Hacks",
"car hacks"
] | [
"74HC151",
"arduino",
"pro micro",
"Saab",
"turn signal"
] | Unless your car is fresh off the lot, you’ve probably had the experience of riding in a newer car and seeing some feature or function that triggered a little pang of jealousy. It probably wasn’t enough for you to run out and sign yourself up for a new car loan (which is what the manufacturer was hoping for), but it was... | 47 | 14 | [
{
"comment_id": "4849607",
"author": "The Mr Murray",
"timestamp": "2018-08-11T11:26:57",
"content": "Love retrofitting tech into my very base model car. (’09 Hyundai Accent GLS; w/ manual everything).Have been wanting to put an NFC enabled Bluetooth dongel under the dash, but I’ve been hesitant to ... | 1,760,374,261.06018 | ||
https://hackaday.com/2018/08/11/the-quick-build-powerwall/ | The Quick-Build PowerWall | Brian Benchoff | [
"Parts"
] | [
"18650",
"battery",
"power wall",
"powerwall"
] | Elon Musk isn’t just the greatest human being — he’s also a great inventor. He’s invented the reusable rocket, the electric car, and so much more. While those are fantastic achievements, Elon’s greatest invention is probably the PowerWall. The idea of a PowerWall is simple and has been around for years: just get a bunc... | 106 | 34 | [
{
"comment_id": "4848989",
"author": "Ø",
"timestamp": "2018-08-11T08:15:01",
"content": "Elon Musk is the new Steve Jobs, complete with the same type of reality distortion field.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4850183",
"author": "Os... | 1,760,374,261.262512 | ||
https://hackaday.com/2018/08/10/line-following-robot-without-the-lines/ | Line Following Robot Without The Lines | Bryan Cockfield | [
"Robots Hacks"
] | [
"automation",
"following",
"inductance",
"inductive",
"line",
"robot",
"wire"
] | Line-following robots are a great intro to robotics in general, since the materials and skills needed to build a good one aren’t too advanced. It turns out that line-following robots are more than just a learning tool, too. They’re pretty useful in industry, but most of them don’t follow visible marked lines. Some, lik... | 19 | 6 | [
{
"comment_id": "4849031",
"author": "Teg",
"timestamp": "2018-08-11T08:23:39",
"content": "That is a very good video! The only criticism is it doesn’t say much about the wire itself and what frequency and current it runs at. Maybe somebody here knows more about it? ????",
"parent_id": null,
... | 1,760,374,261.116131 | ||
https://hackaday.com/2018/08/10/scanning-tunneling-microscope-packs-the-bits/ | Scanning Tunneling Microscope Packs The Bits | Al Williams | [
"Science"
] | [
"atomic memory",
"memory",
"scanning tunneling microscope",
"stm"
] | We don’t usually think of a microscope as an active instrument, but researchers in Canada have used a
scanning tunneling microscope to remove or replace single hydrogen atoms
from the surface of a hydrogen-passivated silicon wafer. If the scientific paper is too much to wade through, there’s an
IEEE Spectrum article
an... | 2 | 2 | [
{
"comment_id": "4849399",
"author": "AMA",
"timestamp": "2018-08-11T10:18:19",
"content": "This just makes me feel old,https://en.wikipedia.org/wiki/IBM_(atoms)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4889865",
"author": "M",
"timestamp": "2018... | 1,760,374,261.299619 | ||
https://hackaday.com/2018/08/10/ibm-pcjr-revived-by-an-atx-power-supply-and-many-false-starts/ | IBM PCjr Revived By An ATX Power Supply And Many False Starts | Dan Maloney | [
"Retrocomputing"
] | [
"adapter",
"atx",
"diagnosis",
"etching",
"flux",
"IBM PCjr",
"Molex",
"not quite Fail of the Week",
"pcb",
"power supply",
"troubleshooting"
] | The IBM PCjr was a computer only the marketing geniuses of a multi-billion dollar corporation could love. On the face of it, it seemed like a great idea – a machine for the home market, meant to complement the “big boy” IBM PC in the office and compete against the likes of Apple and Commodore. What it ended up as was a... | 26 | 12 | [
{
"comment_id": "4847600",
"author": "Jon S.",
"timestamp": "2018-08-10T23:11:36",
"content": "That was the first computer I was allowed to keep in my room. I loved the wireless keyboard! I wish I had kept it, miss it now!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,374,261.968621 | ||
https://hackaday.com/2018/08/10/ease-rover-development-with-these-self-contained-track-units/ | Ease Rover Development With These Self-Contained Track Units | Donald Papp | [
"3d Printer hacks",
"Robots Hacks"
] | [
"3d printed",
"gearmotor",
"modular",
"rover",
"self-contained",
"tank track",
"tank tread"
] | Tracked drive systems are great, but implementation isn’t always easy. That’s what [nahueltaibo] found every time he tried to use open sourced track designs for his own rovers. The problem is that a tracked drive system is normally closely integrated with a vehicle’s chassis, mixing and matching between designs is impr... | 2 | 2 | [
{
"comment_id": "4847591",
"author": "hhhh",
"timestamp": "2018-08-10T23:08:42",
"content": "Plastic parts wearing down other plastic parts. A nice toy and not much else.For me it looks like 3D printing is a solution in need of a problem.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,374,261.617453 | ||
https://hackaday.com/2018/08/10/this-is-the-year-of-pcb-inductors/ | This Is The Year Of PCB Inductors | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"inductor",
"transformer"
] | It’s a story we’ve told dozens of times already. The cost to manufacture a handful of circuit boards has fallen drastically over the last decade and a half, which has allowed some interesting experiments on what PCBs can do. We’ve seen this with artistic PCBs, we’ve seen it with enclosures built out of PCBs, and this y... | 35 | 13 | [
{
"comment_id": "4846532",
"author": "ehud42",
"timestamp": "2018-08-10T18:43:27",
"content": "Dumb question – could you make a 3 layer board with some kind of ferrite material for the middle layer and the use vias to “coil” the traces around the outer 2 layers and thereby reduce the foot print?",
... | 1,760,374,261.696575 |
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