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https://hackaday.com/2017/10/15/get-down-to-the-die-level-with-this-internal-chip-repair/ | Get Down To The Die Level With This Internal Chip Repair | Dan Maloney | [
"Repair Hacks"
] | [
"chip",
"die",
"ic",
"QFP",
"repair",
"soldering"
] | Usually, repairing a device entails replacing a defective IC with a new one. But if you’ve got young eyes and haven’t had caffeine in a week, you can also
repair a defective chip package rather than replace it
.
There’s no description of the incident that resulted in the pins of the QFP chip being ablated, but it looks... | 30 | 15 | [
{
"comment_id": "4133049",
"author": "Redhatter (VK4MSL)",
"timestamp": "2017-10-15T11:54:27",
"content": "Now those are soldering skills to DIE for.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4133087",
"author": "opless",
"timestamp": "2... | 1,760,374,639.623005 | ||
https://hackaday.com/2017/10/15/midi-and-a-real-vox-humana-come-to-a-century-old-melodeon/ | MIDI And A Real Vox Humana Come To A Century-Old Melodeon | Jenny List | [
"Musical Hacks"
] | [
"midi",
"MIDI organ",
"organ",
"reed organ"
] | A hundred years or more of consumer-level recorded music have moved us to a position in which most of us unconsciously consider music to be a recorded rather than live experience. Over a century ago this was not the case, and instead of a hi-fi or other device, many households would have had some form of musical instru... | 6 | 4 | [
{
"comment_id": "4132943",
"author": "MacSimski",
"timestamp": "2017-10-15T10:08:30",
"content": "“to” should be changed to “from” in the title as i was expecting a harmonium, controlled by a computer and a pump",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,374,639.403924 | ||
https://hackaday.com/2017/10/16/active-discussion-about-passive-components/ | Active Discussion About Passive Components | Bob Baddeley | [
"Engineering",
"Hackaday Columns",
"Parts"
] | [
"active",
"diode",
"negative resistance",
"passive",
"Tunnel diode"
] | People talk about active and passive components like they are two distinct classes of electronic parts. When sourcing components on a BOM, you have the passives, which are the little things that are cheaper than a dime a dozen, and then the rest that make up the bulk of the cost. Diodes and transistors definitely fall ... | 35 | 12 | [
{
"comment_id": "4138238",
"author": "Harold Hill",
"timestamp": "2017-10-16T17:06:07",
"content": "Actually, the difference is that active devices can exhibit power gain. Voltage or current gain are possible with passive devices (like a transformer), but not power gain.And, acting like a switch? Th... | 1,760,374,639.550924 | ||
https://hackaday.com/2017/10/16/the-fine-art-of-heating-and-cooling-your-beans/ | The Fine Art Of Heating And Cooling Your Beans | Tom Nardi | [
"3d Printer hacks",
"cooking hacks"
] | [
"3D printed mold",
"casting",
"coffee",
"refractory cement"
] | They say that if something is worth doing, it’s worth doing right. Those are good words to live by, but here at Hackaday we occasionally like to adhere to a slight variation of that saying: “If it’s worth doing, it’s worth overdoing”. So when we saw the incredible amount of work and careful research [Rob Linnaeus] was ... | 27 | 7 | [
{
"comment_id": "4137881",
"author": "RW ver 0.0.1",
"timestamp": "2017-10-16T15:35:55",
"content": "All that effort and you just pile the beans in? Far too haphazard, need a way to roast each bean individually and examine with 15 megapixel image sensor to check for perfect colour.",
"parent_id"... | 1,760,374,639.468079 | ||
https://hackaday.com/2017/10/16/inside-two-factor-authentication-apps/ | Inside Two-Factor Authentication Apps | Elliot Williams | [
"Featured",
"Interest",
"Original Art",
"Security Hacks",
"Slider"
] | [
"2FA",
"2FA algorithm",
"google authenticator",
"security breach",
"totp",
"two-factor authentication"
] | Passwords are in a pretty broken state of implementation for authentication. People
pick horrible passwords
and
use the same password
all over the place, firms fail to store them correctly and then
their databases get leaked
, and if anyone’s looking over your shoulder as you type it in (literally or metaphorically), y... | 66 | 14 | [
{
"comment_id": "4137580",
"author": "JWHITTEN",
"timestamp": "2017-10-16T14:06:35",
"content": "There’s another really nice open source Two-Factor solution that we use called “PrivacyID3A” (PrivacyIdea). The web site for it ishttps://privacyidea.com//. I can say personally that it works very well a... | 1,760,374,639.77758 | ||
https://hackaday.com/2017/10/16/oh-great-wpa2-is-broken/ | Oh Great, WPA2 Is Broken | Brian Benchoff | [
"Security Hacks",
"Slider"
] | [
"802.11",
"KRACK",
"wifi",
"wpa",
"wpa2"
] | WPA2, the standard security for Wi-Fi networks these days,
has been cracked due to a flaw in the protocol
. Implications stemming from this crack range from decrypting Wi-Fi, hijacking connections, and injecting content. It’s fair to say, WPA2 is now Considered Harmful.
The paper is available here
(PDF).
This is a proo... | 131 | 28 | [
{
"comment_id": "4136897",
"author": "CRImier",
"timestamp": "2017-10-16T11:08:58",
"content": "Oh great, more smartphones to be thrown in the trash. =(",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4136955",
"author": "jwcrawley",
"timestam... | 1,760,374,640.173375 | ||
https://hackaday.com/2017/10/16/why-not-expose-your-pcbs-through-an-lcd/ | Why Not Expose Your PCBs Through An LCD? | Jenny List | [
"hardware"
] | [
"DIY UV Exposure",
"lcd",
"pcb",
"UV exposure"
] | Most people who have dabbled in the world of electronic construction will be familiar in some form with the process of producing a printed circuit board by exposing a UV sensitive coating through a transparent mask, before moving on to etching. Older readers will have created their masks by hand with crêpe paper tape o... | 67 | 20 | [
{
"comment_id": "4136043",
"author": "phoenix perry (@phoenixperry)",
"timestamp": "2017-10-16T08:14:31",
"content": "About half way through, I felt like paying OHSPark to stop this insanity. So much work!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "41361... | 1,760,374,640.270435 | ||
https://hackaday.com/2017/10/15/lego-row-boat-is-the-poolside-companion-you-didnt-know-you-needed/ | LEGO Row Boat Is The Poolside Companion You Didn’t Know You Needed | Tom Nardi | [
"Robots Hacks",
"Toy Hacks"
] | [
"lego",
"LEGO Digital Designer",
"radio controlled",
"watercraft"
] | Maybe it’s the upbeat music, or the views of a placid lake at sunset, or perhaps it’s just seeing those little plastic rods pumping away with all their might. Whatever the reason may be,
the video [Vimal Patel] posted of his little remote controlled LEGO row boat
cruising around on the open water is sure to put a smile... | 9 | 8 | [
{
"comment_id": "4135399",
"author": "RÖB",
"timestamp": "2017-10-16T05:55:48",
"content": "I wasn’t even going to look at this except for Pingu! “U wot m8” loledMechanics looks good to, though after watching the video it seems that it performs much better on flat surfaces.",
"parent_id": null,
... | 1,760,374,639.827447 | ||
https://hackaday.com/2017/10/15/xero-alto-crts-needed-a-tiny-lightbulb-to-function/ | Xerox Alto CRTs Needed A Tiny Lightbulb To Function | Al Williams | [
"computer hacks",
"hardware",
"Repair Hacks"
] | [
"altos",
"crt",
"current limiting",
"Incandescent light bulb",
"inrush current",
"ken shirriff",
"light bulb",
"Xerox"
] | In the real world, components don’t work like we imagine they do. Wires have resistance, resistors have inductance, and capacitors have resistance. However, some designers like to take advantage of those imperfections, something our old friend [Ken Shirriff] noted when he was
restoring the CRT of a Xerox Alto
.
[Ken] t... | 61 | 15 | [
{
"comment_id": "4134574",
"author": "starhawk",
"timestamp": "2017-10-16T02:13:02",
"content": "You have a very obvious typo in your title, sir.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4134702",
"author": "Al Williams",
"timestamp": "... | 1,760,374,639.923546 | ||
https://hackaday.com/2017/10/14/space-technology-and-audio-tape-to-store-art/ | Space Technology And Audio Tape To Store Art | Christian Trapp | [
"hardware",
"Repair Hacks"
] | [
"audio cassette",
"audio tape",
"headphones",
"signal processing",
"SSTV"
] | [Blaine Murphy] has set out to store an
archive of visual art
on cassette tape. To do so he encodes images via Slow-Scan Television (
SSTV
), an analogue technology from the late 50s which encodes images in for radio transmission. If you are thinking ‘space race’ you are spot on, the first images of the far side of the... | 10 | 4 | [
{
"comment_id": "4132722",
"author": "Niklas",
"timestamp": "2017-10-15T05:58:27",
"content": "I recently also had a drive belt problem and I came up with the idea that it might be possible to 3D print them in accurate sizes with flexible filament like NinjaFlex. Since I didn’t have such kind of fil... | 1,760,374,639.674424 | ||
https://hackaday.com/2017/10/14/semi-automatic-rail-gun-is-a-laptop-killer/ | Semi-Automatic Rail Gun Is A Laptop Killer | Dan Maloney | [
"Weapons Hacks"
] | [
"capacitor",
"coil gun",
"electromagnet",
"plasma",
"rail gun",
"Railgun",
"rifle",
"weapon"
] | It’s huge, it’s unwieldy, and it takes 45 seconds to shoot all three rounds in its magazine. But it’s
a legitimate semi-automatic railgun
, and it’s pretty awesome.
Yes, it has its limits, but every new technology does, especially totally home-brew builds like this. The aptly named [NSA_listbot] has been putting a lot ... | 37 | 10 | [
{
"comment_id": "4132529",
"author": "Alan Parekh",
"timestamp": "2017-10-15T02:49:51",
"content": "Great build pics. On the first design some of those parts took a crazy large reverse EMF hit and blew up real good!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id"... | 1,760,374,640.341408 | ||
https://hackaday.com/2017/10/14/3d-printed-kwikset-keys-parametrically/ | 3D-Printed Kwikset Keys Parametrically | John Baichtal | [
"lockpicking hacks"
] | [
"3d printed",
"key",
"kwikset"
] | Good ol’ Kwikset-standard locks were introduced in 1946 and enjoyed a decades-long security by obscurity. The technology still stands today as a ubiquitous and fairly minimal level of security. It’s the simplest of the various standards (e.g., Master, Schlage, etc.) with a mere five pins with values ranging from 1 (not... | 34 | 14 | [
{
"comment_id": "4132138",
"author": "TheRegnirps.",
"timestamp": "2017-10-14T23:56:21",
"content": "Parametric. Sweet!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4132995",
"author": "feuerrot",
"timestamp": "2017-10-15T11:20:31",
... | 1,760,374,640.575709 | ||
https://hackaday.com/2017/10/14/hackaday-prize-entry-an-open-radiation-detector/ | Hackaday Prize Entry: An Open Radiation Detector | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"ion chamber",
"radiation"
] | For his Hackaday Prize entry, [Carlos] is pushing the boundaries of what can be built with PCBs. He’s designed a very low-cost radiation detector that leverages pick and place machines, off-the-shelf components, and very simple electronics.
It’s a novel ion chamber design
, and if you ever needed a low-cost, easily man... | 38 | 13 | [
{
"comment_id": "4131530",
"author": "Brandon",
"timestamp": "2017-10-14T20:05:27",
"content": "Wow, that’s wicked cool. So interestingly you can leverage similar techniques for mass spectrometry. But what I’ve seen weren’t this cleverly simple.Cheers,Brandon",
"parent_id": null,
"depth": ... | 1,760,374,640.502679 | ||
https://hackaday.com/2017/10/14/opening-the-door-to-functional-prints/ | Opening The Door To Functional Prints | Brian McEvoy | [
"3d Printer hacks"
] | [
"3d printed",
"cabinet",
"door",
"hardware",
"hinge",
"joke",
"printed",
"steel",
"upgrade"
] | If you are going to do something as a joke, there is nothing to say that you can’t do a nice job of it. If you’re like [Michael], a whimsical statement like “
Wouldn’t it be funny to put Gründerzeit-style doors on the server cabinet?
” might lead down a slippery slope. True to his word, [Michael] not only installed the... | 11 | 6 | [
{
"comment_id": "4130953",
"author": "CRImier",
"timestamp": "2017-10-14T17:05:25",
"content": "Now he can install a loud alarm to ring when somebody opens the doors (maybe without swiping the RFID card through a hidden reader) ;-)",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,640.387681 | ||
https://hackaday.com/2017/10/14/nintendo-power-glove-achieves-its-promise-as-vive-controller/ | Nintendo Power Glove Achieves Its Promise As Vive Controller | Jenny List | [
"Nintendo Hacks"
] | [
"HTC Vive",
"nintendo",
"nintendo power glove",
"power glove",
"vr"
] | You have to hand it to Nintendo, for blazing the virtual reality trail in consumer products a couple of decades before everyone else, even if the best that can be said for their efforts in that direction is that they weren’t exactly super-successful. Their 1989 Power Glove became little more than a difficult-to-use per... | 11 | 5 | [
{
"comment_id": "4130466",
"author": "DominicW",
"timestamp": "2017-10-14T14:54:34",
"content": "Woo Hoo! Something to do with that power glove I have been dragging around for all these years.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4130626",
"autho... | 1,760,374,640.432093 | ||
https://hackaday.com/2017/10/14/not-your-typical-atx-bench-psu/ | Not Your Typical ATX Bench PSU | Dan Maloney | [
"Misc Hacks",
"Tool Hacks"
] | [
"atx",
"bench",
"linear",
"LM7812",
"psu",
"regulator",
"transformer"
] | We know what you’re thinking — yet another scrap PC power supply turned into a bench PSU. But look a little closer and you’ll see
a nicely designed linear bench supply that just fits inside a gutted ATX case
.
A lot of the items on [Medzik]’s BOM for this build are straight from the scrap bin. The aforementioned ATX su... | 7 | 5 | [
{
"comment_id": "4129753",
"author": "Timothy Wolfram ???? (@WolfieWeb1)",
"timestamp": "2017-10-14T11:53:11",
"content": "I have to try this. I have tons of power ???? atx cases. Great article.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4131007",
... | 1,760,374,640.614899 | ||
https://hackaday.com/2017/10/14/3d-printed-tyres-let-you-drive-on-water/ | 3D Printed Tyres Let You Drive On Water | Lewin Day | [
"3d Printer hacks"
] | [
"3d printer",
"3d printing",
"R/C car",
"radio control",
"rc",
"tyres",
"water"
] | [Jesus] apparently walked on water, without any tools at all. But when you’ve got a 3D printer handy, it makes sense to use it.
[Simon] decided to use his to 3D print some tyres for his R/C car – with awesome results.
[Simon] started this project with a goal of driving on water. Initial experiments were promising –
the... | 28 | 11 | [
{
"comment_id": "4129118",
"author": "sopues",
"timestamp": "2017-10-14T08:24:45",
"content": "I think he made the tires bigger, and therefore displacing more water that made them work on water, not the bigger paddles. I would have liked to see a static test in the water to see how the car floats.",... | 1,760,374,640.861023 | ||
https://hackaday.com/2017/10/13/the-early-bird-repairs-a-slug/ | The Early Bird Repairs A Slug | Adam Fabio | [
"Radio Hacks"
] | [
"bird",
"model 43",
"swr",
"wattmeter",
"watts"
] | When faced with a problematic Bird slug, [Robert Meister] didn’t give up. He pecked away at the slug and
brought us all along for the ride
. If that sentence didn’t make sense to you, read on!
Anyone who’s been to a hamfest has seen a Bird meter. The Bird Model 43 watt meter is the defacto standard for measuring transm... | 12 | 6 | [
{
"comment_id": "4128752",
"author": "jafinch78",
"timestamp": "2017-10-14T06:30:09",
"content": "Interesting. I was looking at Dip Meters, Watt Meters and the new Heathkit Precision RF Meter – HM-1002:https://shop.heathkit.com/shop/product/precision-rf-meter-hm-1002-pre-order-33In doing this, I wa... | 1,760,374,640.967255 | ||
https://hackaday.com/2017/10/13/carbon-quantum-dots-in-your-favorite-color/ | Carbon Quantum Dots In Your Favorite Color | Brian McEvoy | [
"chemistry hacks",
"News"
] | [
"carbon",
"carbon dots",
"carbon quantum dots",
"color",
"dots",
"pigment",
"quantum"
] | Citizen scientist extraordinaire [Thought Emporium] put out a new
video about colorful quantum dots
which can be seen below the break. Quantum dots are a few nanometers wide and you can tell which size they are by which color they fluoresce. Their optical and electrical properties vary proportionally with size so red w... | 13 | 5 | [
{
"comment_id": "4128192",
"author": "Clara",
"timestamp": "2017-10-14T02:59:54",
"content": "Wow, if Nature allowed something that poor, they really can’t be considered top-tier anymore, can they?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4128840",
... | 1,760,374,640.914038 | ||
https://hackaday.com/2017/10/13/a-solar-freakin-walkway/ | A Solar Freakin’ Walkway | Dan Maloney | [
"home hacks",
"Solar Hacks"
] | [
"conformal coating",
"glass block",
"neopixel",
"path",
"paver",
"pv",
"silicone",
"solar",
"SOLAR FREAKIN ROADWAYS",
"walk",
"watrerproofing"
] | Looking to add a little pizzazz to your back garden? Are those strings of lights hung in the trees looking a little dated? Why not try
lighting your garden path with DIY solar-powered pavers?
If [jfarro]’s project looks like a miniature version of the
much-touted solar freakin’ roadways
concept, rest assured that there... | 22 | 8 | [
{
"comment_id": "4127832",
"author": "Daniel Lytle (@AllEternalsDeck)",
"timestamp": "2017-10-13T23:47:12",
"content": "[Dave Jones roars in the distance]",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4128218",
"author": "bty",
"timestamp": ... | 1,760,374,641.030582 | ||
https://hackaday.com/2017/10/13/encrypt-data-on-the-fly-on-a-pi-with-cryptopuck/ | Encrypt Data On The Fly On A Pi With Cryptopuck | Tom Nardi | [
"computer hacks",
"Raspberry Pi",
"Security Hacks"
] | [
"3d printed",
"encryption",
"PyCrypto",
"pyinotify",
"python",
"raspberry pi",
"udiskie"
] | There was a time that encryption was almost a dirty word; a concept that really only applied to people with something to hide. If you said you wanted to encrypt your hard drive, it may as well have been an admission to a crime. But now more than ever it’s clear that encryption, whether it’s on our personal devices or o... | 22 | 11 | [
{
"comment_id": "4125769",
"author": "Olsen",
"timestamp": "2017-10-13T20:12:03",
"content": "Imagine non tech savy people using this to organize protests. Now imagine this device was modified by an enemy of the protesters to weaken security and add some kind of watermarking like implemented in NK’s... | 1,760,374,641.301153 | ||
https://hackaday.com/2017/10/13/hackaday-prize-entry-iot-nixie-clocks/ | Hackaday Prize Entry: IoT Nixie Clocks | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"nixie",
"nixie clock"
] | Nixie clocks are the
in
thing right now, and they have been for at least a decade. For his Hackaday Prize entry, [mladen] is bringing things into the 21st century with
a USB-powered, IoT Nixie clock
. It displays the time, temperature, the current cryptocurrency price in fiat, your current number of Twitter followers, ... | 6 | 4 | [
{
"comment_id": "4125517",
"author": "Ted Carlsson",
"timestamp": "2017-10-13T18:38:15",
"content": "Thats a nice Nixon nibble",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4125735",
"author": "Olsen",
"timestamp": "2017-10-13T20:07:23",
"content"... | 1,760,374,641.235732 | ||
https://hackaday.com/2017/10/13/what-tools-do-you-reach-for-first/ | Ask Hackaday: What Tools Do You Reach For First? | John Baichtal | [
"Ask Hackaday",
"Interest",
"Tool Hacks"
] | [
"convenience",
"digital caliper",
"digital multimeter",
"tools"
] | Let’s face it, in your workshop there are convenient tools, and there are quality tools, but so often they aren’t both. Think back to the tools you reach for first. Very often for me, speed and convenience win out. I don’t want to look too hard for that drill or saw, and want them to work as expected when I reach for t... | 173 | 50 | [
{
"comment_id": "4125330",
"author": "Doug Leppard",
"timestamp": "2017-10-13T17:12:11",
"content": "What I told man son as he got his own house, every project especially a wife one needs a new tool. Then you can slowly build up a good tool set. By doing it yourself saves lots of money and spend p... | 1,760,374,641.553934 | ||
https://hackaday.com/2017/10/13/recreating-the-mythbusters-rocket-chevy-at-scale/ | Recreating The Mythbusters Rocket Chevy – At Scale | Lewin Day | [
"car hacks"
] | [
"jump",
"R/C car",
"radio control car",
"rocket",
"rocket car"
] | If you tuned into the first ever episode of Mythbusters way back when, you’ll remember a certain rocket-powered Chevy Impala.
[David Windestal] decided to recreate this – at 1:10 scale.
The car in question is a Hobbyking Desert Fox RC car – normally a four-wheel drive truck which ships ready-to-run, making it a great w... | 9 | 7 | [
{
"comment_id": "4125227",
"author": "asheets",
"timestamp": "2017-10-13T16:20:15",
"content": "I prefer this version of the story:https://www.wired.com/2000/08/rocketcar/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4125524",
"author": "KlaymenDK"... | 1,760,374,641.198098 | ||
https://hackaday.com/2017/10/13/computers-that-never-were/ | Computers That Never Were | Al Williams | [
"Featured",
"History",
"Original Art"
] | [
"cardiac",
"caxton foster",
"donald knuth",
"knuth",
"little man computer",
"lmc",
"mix",
"retrotechtacular",
"TUTAC"
] | Today it is easier than ever to learn how to program a computer. Everyone has one (and probably has several) and there are tons of resources available. You can even program entirely in your web browser and avoid having to install programming languages and other arcane software. But it wasn’t always like this. In the si... | 31 | 18 | [
{
"comment_id": "4124987",
"author": "Alex Rossie",
"timestamp": "2017-10-13T14:10:25",
"content": "Excellent article, would it be possible to get a “thumbs up” button so I don’t feel the need to litter the comments section with thanks!Anyways, I do believe this tutatext method would be great for hu... | 1,760,374,641.379998 | ||
https://hackaday.com/2017/10/13/a-raspberry-pi-rain-man-in-the-making/ | A Raspberry Pi Rain Man In The Making | Dan Maloney | [
"Misc Hacks",
"Raspberry Pi"
] | [
"blackjack",
"cards",
"casino",
"opencv",
"PiCam",
"playing cards",
"python",
"rank",
"raspberry pi",
"suit",
"table games"
] | We see a lot of Raspberry Pis used to play games, but this is something entirely different from the latest RetroPie build.
This Raspberry Pi is learning how to read playing cards
, with the goal of becoming the ultimate card counting blackjack player.
If [Taxi-guy] hasn’t named his project
Rain Man
, we humbly suggest ... | 11 | 5 | [
{
"comment_id": "4124946",
"author": "Truth",
"timestamp": "2017-10-13T13:54:11",
"content": "> “even though it would never be allowed anywhere near a casino”You could always develop and sell a system to casinos who already have live and recorded video feeds from every table. To automatically check ... | 1,760,374,641.59904 | ||
https://hackaday.com/2017/10/13/nematoduino-a-roundworm-neural-model-on-an-arduino/ | Nematoduino: A Roundworm Neural Model On An Arduino | Dan Maloney | [
"Arduino Hacks",
"Misc Hacks"
] | [
"arduino",
"C. elegans",
"connectome",
"neural network",
"neurons",
"roundworm",
"simulation"
] | When it comes to building a neural network to simulate complex behavior, Arduino isn’t exactly the first platform that springs to mind. But when your goal is to
model the behavior of an organism with only a handful of neurons
, the constraints presented by an Arduino start to make sense.
It may be the most important no... | 13 | 7 | [
{
"comment_id": "4124039",
"author": "Dave",
"timestamp": "2017-10-13T08:24:08",
"content": "This is very well done, a great accomplishment!great work, Sir",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4124125",
"author": "esufor",
"timestamp": "2017-... | 1,760,374,642.330119 | ||
https://hackaday.com/2017/10/12/get-your-smarties-or-mms-from-a-vending-machine/ | Get Your Smarties Or M&Ms From A Vending Machine | Jenny List | [
"Arduino Hacks"
] | [
"candy",
"confectionery",
"mms",
"Smarties",
"sweets",
"vending machine"
] | There are some debates that split the world down the middle. Serious stuff: M&Ms, or Smarties*? Yes, the two chocolate beans may bear a superficial resemblance to each other, but you’re either a Smartie lover, or an M&M lover. No compromises.
[Maximusvo] has sensibly dodged all questions of brand loyalty in his text if... | 19 | 6 | [
{
"comment_id": "4123475",
"author": "Genki",
"timestamp": "2017-10-13T05:08:06",
"content": "What about Skittle? Some of us prefer candy coated sugar pill to candy coated chocolate pill :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4123822",
"au... | 1,760,374,641.651502 | ||
https://hackaday.com/2017/10/12/its-a-wall-mounted-dremel-workstation/ | It’s A Wall-Mounted Dremel Workstation! | John Baichtal | [
"Tool Hacks"
] | [
"dremel",
"lathe",
"rotary tool",
"workbench",
"workshop"
] | We’ve all seen Dremel drill presses, but [Tuomas Soikkeli] has created a full-fledged (albeit miniature)
workstation using his Dremel as the motor
. He has a gnome-sized belt sander with what appear to be skateboard wheels turning the belt, with the Dremel’s toolhead tensioning the belt and turning it as well. There’s ... | 32 | 12 | [
{
"comment_id": "4122941",
"author": "Boris van Galvin",
"timestamp": "2017-10-13T02:38:12",
"content": "Cool work center :) I would be a little worried about how long the bearings would last in the dremel.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4125... | 1,760,374,641.802382 | ||
https://hackaday.com/2017/10/12/cnc-robot-makes-a-move/ | CNC Robot Makes A Move | DJ Harrigan | [
"Crowd Funding",
"Robots Hacks"
] | [
"cnc",
"kickstarter",
"milling",
"omniwheel",
"omniwheels",
"robot",
"router"
] | Another day, another Kickstarter. While we aren’t often keen on touting products, we are keen on seeing robotics and unusual mechanisms put to use. The
Goliath CNC
has long since surpassed its $90,000 goal in an effort to put routing robots in workshops everywhere.
Due to their cost and complexity, you often only find ... | 30 | 12 | [
{
"comment_id": "4121806",
"author": "mikeselectricstuff",
"timestamp": "2017-10-12T23:07:27",
"content": "Looks like the sensors are string-pots – the wire is measured in & out of an internal drum, the positions sent back over an RF link. Nothing magical there. I can’t see how it avoids errors due ... | 1,760,374,641.875332 | ||
https://hackaday.com/2017/10/10/neural-network-gimbal-is-always-watching/ | Neural Network Gimbal Is Always Watching | Tom Nardi | [
"Video Hacks",
"Wearable Hacks"
] | [
"3d printed",
"camera gimbal",
"Jetson TX1",
"neural network"
] | [Gabriel] picked up a GoPro to document his adventures on the slopes and trails of Montreal, but quickly found he was better in front of the camera than behind it. Turns out he’s even better seated behind his workbench,
as the completely custom auto-tracking gimbal
he came up with is nothing short of a work of art.
The... | 16 | 7 | [
{
"comment_id": "4115857",
"author": "Nigel Tolley",
"timestamp": "2017-10-10T20:39:58",
"content": "Awesome.He’s just raised the bar.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4116445",
"author": "neotechni",
"timestamp": "2017-10-11T00... | 1,760,374,641.930681 | ||
https://hackaday.com/2017/10/10/hackaday-prize-entry-uaprosthetics-a-powered-hand/ | Hackaday Prize Entry: UAProsthetics, A Powered Hand | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"assistive technolgy",
"Prosthesis",
"prothetic hand"
] | One of the great successes of desktop 3D printers is custom prosthetics and orthotics. For a fraction of the price of a prosthetic arm, you can buy a machine capable of producing hundreds of completely customizable prosthetics. [Taran Ravindran]’s project in the running for the 2017 Hackaday Prize follows the long trad... | 6 | 5 | [
{
"comment_id": "4115519",
"author": "ctag",
"timestamp": "2017-10-10T18:38:28",
"content": "Awesome project. I’m looking forward to seeing the first assembled hand when those 3d printed pieces arrive!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4115816",
... | 1,760,374,641.730602 | ||
https://hackaday.com/2017/10/10/the-bane-of-aftermarket-car-alarms/ | The Bane Of Aftermarket Car Alarms | Lewin Day | [
"car hacks",
"Hackaday Columns",
"Skills"
] | [
"car",
"car alarm",
"car immobilizer",
"cars",
"immobiliser",
"immobilizer",
"relay",
"relays"
] | The humble car alarm has been around almost as long as the car itself,
first being developed by an unknown prisoner in Denver, circa 1913.
To the security-conscious motorist, they make a lot of sense. The noise of a car alarm draws attention which is the last thing a would-be thief wants, and the in-built immobilizers ... | 79 | 18 | [
{
"comment_id": "4115244",
"author": "RW ver 0.0.1",
"timestamp": "2017-10-10T17:07:23",
"content": "Also, never buy a car with an aftermarket stereo.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4115545",
"author": "mikeselectricstuff",
"t... | 1,760,374,642.126331 | ||
https://hackaday.com/2017/10/10/one-more-3d-printed-lamp/ | 3D Printed Lamp Even Prints The Nuts And Bolts | Inderpreet Singh | [
"3d Printer hacks",
"Misc Hacks"
] | [
"3d printed",
"diy",
"lamp",
"thingiverse"
] | The first print to come off a shiny new 3D printer is usually a toy widget of some sort that will forever sit at your desk without purpose. The alternative is a practical project that is custom and personal like this
3D Printed Articulating Lamp
. [IgorF2] shares his design for this wall mounted device which was create... | 13 | 6 | [
{
"comment_id": "4115027",
"author": "eccentricelectron",
"timestamp": "2017-10-10T15:56:28",
"content": "Nice first project, but could have surely made a better job of cable management. And perhaps add a small cowl so that the bulb is less naked?",
"parent_id": null,
"depth": 1,
"replie... | 1,760,374,642.283926 | ||
https://hackaday.com/2017/10/10/happy-ada-lovelace-day/ | Happy Ada Lovelace Day! | Elliot Williams | [
"Featured",
"Interest",
"News",
"Slider"
] | [
"Ada Lovelace",
"ada lovelace day",
"Marie Curie",
"science",
"superheroes",
"women",
"women in technology"
] | Today is
Ada Lovelace Day
, a day to celebrate and encourage women in the fields of science and technology. The day is named after Augusta Ada King-Noel, Countess of Lovelace, born Byron. (You can see why we just call her
Ada Lovelace
.) She was a brilliant mathematician, and the writer of what’s probably the first rea... | 74 | 16 | [
{
"comment_id": "4114747",
"author": "Ostracus",
"timestamp": "2017-10-10T14:31:26",
"content": "“Augusta Ada King-Noel, Countess of Lovelace, born Byron. (You can see why we just call her Ada Lovelace.) ”Couldn’t get all that on a check.“The point is, the young Ada Lovelace had talent and it was ve... | 1,760,374,642.506365 | ||
https://hackaday.com/2017/10/10/soon-youll-sit-inside-a-robots-head-at-work/ | Soon You’ll Sit Inside A Robot’s Head At Work | Lauren Faris | [
"Robots Hacks",
"Virtual Reality"
] | [
"baxter",
"MIT robotics",
"robot",
"robot arm",
"Teleoperation",
"virtual reality"
] | MIT’s Computer Science and Artificial Intelligence Lab, CSAIL, has created a process of
teleoperating a Baxter humanoid robot with an Oculus Rift
VR headset. This project is partially aimed towards making manufacturing jobs
a hell of a lot of fun
telecommutable. It could even be a way to supervise robot workers from a ... | 28 | 12 | [
{
"comment_id": "4114364",
"author": "codifies",
"timestamp": "2017-10-10T11:09:22",
"content": "yeah… great remote drudgery, after you’ve done this 12hrs a day for 6 days a week and your back is wracked with pain from poor posture and your arms are sore with RSI….. what a halcyon future…..",
"p... | 1,760,374,642.569341 | ||
https://hackaday.com/2017/10/10/apple-ii-fpga/ | Apple II FPGA | Al Williams | [
"classic hacks",
"FPGA"
] | [
"Altera",
"altera de2",
"apple II",
"de2",
"fpga",
"vhdl"
] | [Stephen Edwards] had some time one Christmas. So he took a DE2 FPGA board and using VHDL built a pretty faithful reproduction of
an Apple II+ computer
. He took advantage of VHDL modules for the 6502 CPU and PS/2 keyboard, and focused more on the video hardware and disk emulation.
According to [Stephen], you can think... | 20 | 7 | [
{
"comment_id": "4114215",
"author": "ML",
"timestamp": "2017-10-10T08:20:33",
"content": "Please note that this was christmas in 2007. I’d guess the FPGA Market is very different today. Interesting read nonetheless.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,374,642.386533 | ||
https://hackaday.com/2017/10/11/making-ice-cream-with-heavy-metal/ | Making Ice Cream With Heavy Metal | Tom Nardi | [
"chemistry hacks",
"home hacks"
] | [
"food",
"ice cream",
"thermal conductivity",
"thermal inertia"
] | After his last project left him with an eleven-pound block of aluminum, [Jason] got to thinking of what most of us would in that situation: fresh made ice cream. His mind was on the frozen concoctions of the aptly named Cold Stone Creamery, a mall food court staple where a chilled stone is used to turn fresh ingredient... | 25 | 13 | [
{
"comment_id": "4117923",
"author": "Alex Rossie",
"timestamp": "2017-10-11T15:11:09",
"content": "Nice, I love getting one of these made whenever I make it to mainland europe.It’s worth mentioning however that NASA never freeze dried ice cream for space. It’s too crumbly, a huge no-no, for space s... | 1,760,374,642.635286 | ||
https://hackaday.com/2017/10/11/building-the-hackaday-superconference-badge/ | Building The Hackaday Superconference Badge | Brian Benchoff | [
"cons",
"Engineering",
"Featured",
"Slider"
] | [
"2017 Hackaday Prize",
"2017 Hackaday Superconference",
"badge",
"badgelife",
"hardware design",
"manufacturing",
"sourcing parts",
"Supercon badge"
] | The best hardware conference is just a few weeks away.
This is the Hackaday Superconference
, and it’s two days of talks, an extra day of festivities, soldering irons, and an epic hardware badge. We’ve been working on this badge for a while now, and it’s finally time to share some early details. This is an awesome badg... | 36 | 14 | [
{
"comment_id": "4117893",
"author": "Ren",
"timestamp": "2017-10-11T14:48:45",
"content": "I was gonna post my usual question,“Why can’t these be made available on the HackaDay Store?”But seeing that what’stheirname donated a bunch of parts, and the main controller is a PIC,I’ll pass…",
"parent... | 1,760,374,642.714248 | ||
https://hackaday.com/2017/10/11/dollar-tree-led-bulb-tear-down/ | Dollar Tree LED Bulb Tear Down | Al Williams | [
"Teardown"
] | [
"dollar store",
"Dollar-Tree",
"led",
"led bulb",
"led lightbulb"
] | It is hard to remember now, but there was a time when electronics were expensive. [Adrian Black] found some 9W (60W equivalent) LED light bulbs at the Dollar Tree (a U.S. store where everything costs a dollar). Naturally, they cost a dollar, and he wanted to
see what was inside of them
. You can see the resulting video... | 80 | 20 | [
{
"comment_id": "4117679",
"author": "Fuzzyfuzzyfungus",
"timestamp": "2017-10-11T11:41:55",
"content": "It’s always a bit tragic to run into such nasty LED drive circuits. I realize that that is pretty much the only place to go BoM shaving, once you’ve gone with low end LEDs; but it is also what is... | 1,760,374,642.892684 | ||
https://hackaday.com/2017/10/11/2-5d-printing/ | 2.5D Printing? | Al Williams | [
"3d Printer hacks"
] | [
"2.5d printing",
"casio",
"mofrel",
"printer"
] | Casio — the company famous for calculators, watches, and calculator watches — is touting
a 2.5D printer
. We aren’t sure we are impressed with the marketing hype name, but it is an interesting innovation for people prototyping new designs. The printer can create material that appears to be leather, fabric, and other ma... | 26 | 10 | [
{
"comment_id": "4117357",
"author": "Anthony",
"timestamp": "2017-10-11T08:32:26",
"content": "I’d be curious about the final feel/finish of the end results. Presumably the foam still has some ‘give’ to it after forming to provide a more ‘realistic’ feel. Otherwise such results have already been lo... | 1,760,374,642.783651 | ||
https://hackaday.com/2017/10/10/addition-on-the-strangest-vacuum-tube/ | Addition On The Strangest Vacuum Tube | Al Williams | [
"computer hacks"
] | [
"6047",
"additron",
"tube",
"tube computer"
] | [Uniservo] made a video of a tube he’s been trying to acquire for a long time: a
Rogers 6047 additron
. Never heard of an additron? We hadn’t either. But it was a full binary adder in a single vacuum tube made in Canada around 1950. You can see the video below.
The unique tubes were made for the University of Toronto E... | 55 | 10 | [
{
"comment_id": "4117078",
"author": "starhawk",
"timestamp": "2017-10-11T05:26:24",
"content": "I do believe I’ll just leave this here for right now…https://en.wikipedia.org/wiki/Selectron_tube",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4117128",
... | 1,760,374,642.977551 | ||
https://hackaday.com/2017/10/10/cleaning-up-a-low-cost-buck-boost-supply/ | Cleaning Up A Low-Cost Buck-Boost Supply | Dan Maloney | [
"Misc Hacks"
] | [
"boost",
"buck",
"buck-boost",
"dc-dc",
"filter",
"harmonics",
"noise",
"op-amp",
"power supply",
"spectrum",
"voltage follower"
] | Cheap DC-DC converters have been a boon on the hobbyist bench for a while now, but they can wreak havoc with sensitive circuits if you’re not careful. The problem: noise generated by the switch-mode supply buried within them. Is there anything you can do about the noise?
As it turns out, yes there is, and [Shahriar] at... | 25 | 11 | [
{
"comment_id": "4116819",
"author": "Peter",
"timestamp": "2017-10-11T02:08:55",
"content": "Orrrrrrrrrrrrrrrrrrrrrrrr you could just use a Pi filter for $3 and go home in 10 minutes.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4116829",
"author"... | 1,760,374,643.094223 | ||
https://hackaday.com/2017/10/10/build-your-own-wave-tank/ | Build Your Own Wave Tank | Lewin Day | [
"classic hacks"
] | [
"arduino",
"science",
"wave",
"wave tank",
"waves"
] | Wave tanks are cool, but it’s likely you don’t have one sitting on your coffee table at home. They’re more likely something you’ve seen in a documentary about oil tankers or icebergs. That need no longer be the case –
you can build yourself a wave generator at home!
This build comes to use from [TVMiller] who started b... | 25 | 12 | [
{
"comment_id": "4116362",
"author": "scott t",
"timestamp": "2017-10-10T23:32:07",
"content": "I dont think I’m going to be able to fit in that one. nice try though. :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4116436",
"author": "bty",
"timesta... | 1,760,374,643.035822 | ||
https://hackaday.com/2017/10/11/homemade-6ghz-radar-v3/ | Homemade 6 GHz Radar, V3 | Pedro Umbelino | [
"FPGA",
"Radio Hacks"
] | [
"Doppler",
"fmcw",
"fpga",
"radar"
] | The third version of [Henrik Forstén] 6 GHz frequency-modulated continuous wave (FMCW) radar is
online and looks pretty awesome
. A FMCW radar is a type of radar that works by transmitting a chirp which frequency changes linearly with time. Simple continuous wave (CW) radar devices without frequency modulation cannot d... | 28 | 11 | [
{
"comment_id": "4119653",
"author": "Ostracus",
"timestamp": "2017-10-12T05:24:08",
"content": "“In the video of [Henrik] riding a bicycle in a circle in front of the radar, we can see the static light posts and trees while he, seen as a small blob, roams around:”Notice the smearing too.",
"par... | 1,760,374,643.256207 | ||
https://hackaday.com/2017/10/11/a-lesson-on-zener-regulators/ | A Lesson On Zener Regulators | Inderpreet Singh | [
"Misc Hacks"
] | [
"analysis",
"circuit",
"diode",
"regulator",
"zener"
] | For the longest time, Zener diode regulators have been one of those circuits that have been widely shared and highly misunderstood. First timers have tried to use it to power up their experiments and wondered why things did not go as planned. [James Lewis] has put up a worth tutorial on the subject titled,
“Zener Diode... | 40 | 13 | [
{
"comment_id": "4119252",
"author": "Jay Kumar",
"timestamp": "2017-10-12T02:31:57",
"content": "Any device used properly makes for an excellent product.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4119430",
"author": "evad",
"timestamp": "2017-10-... | 1,760,374,643.429788 | ||
https://hackaday.com/2017/10/11/fix-everything-and-get-your-own-flailing-arms-tube-man/ | Fix Everything And Get Your Own Flailing Arms Tube Man | Christian Trapp | [
"Repair Hacks"
] | [
"brushed dc motor",
"repair",
"upcycling",
"wacky waving inflatable arm flailing arm tube man"
] | The staple of used car dealerships that prompted Houston to ban all ‘attention getting devices’ is called an ‘air dancer’ and was invented in 1996. And now you can build your own, even if until now the space requirements kept you from doing so.
[dina Amin] shows how to make one from a bunch of discarded hair dryers and... | 20 | 12 | [
{
"comment_id": "4118925",
"author": "Nikki",
"timestamp": "2017-10-11T23:14:57",
"content": "They’re called ‘Air Dancers’, much easier than trying to be funny with the long winded family guy reference.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4118933"... | 1,760,374,643.341579 | ||
https://hackaday.com/2017/10/11/terrible-cluster-of-pis/ | Terrible Cluster Of PIs | Al Williams | [
"computer hacks",
"Raspberry Pi"
] | [
"cluster",
"cluster computing",
"raspberry pi",
"raspberry pi cluster"
] | When we first saw [Ajlitt’s] Hackaday.io project
Terrible Cluster
we thought, perhaps, he meant terrible in the sense of the third definition:
3. exciting terror, awe, or great fear; dreadful; awful. (Dictionary.com)
After looking at the subtitle, though, we realized he just meant terrible. The subtitle, by the way, is... | 36 | 17 | [
{
"comment_id": "4118697",
"author": "jrfl",
"timestamp": "2017-10-11T20:19:30",
"content": "This is such an excellent project. I love the sheer terribleness",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4118755",
"author": "Ostracus",
"timestamp": "2... | 1,760,374,643.55745 | ||
https://hackaday.com/2017/10/11/hackaday-prize-entry-paperback-desktop-epaper-monitor/ | Hackaday Prize Entry: PaperBack Desktop EPaper Monitor | Steven Dufresne | [
"Misc Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"epaper",
"ESP32",
"vga"
] | When we announced the Hackaday Prize with its Best Product category, [PK] polled his wife and co-workers about the idea of making
a desktop monitor using 6″ 800×600 ePaper
, which he has since built and calls the PaperBack. One such requirement for a monitor is to be able to connect to it using one of the usual desktop... | 23 | 7 | [
{
"comment_id": "4118427",
"author": "Ren",
"timestamp": "2017-10-11T18:39:03",
"content": "The display isn’t listed in the BOM",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4118636",
"author": "Chris Friend",
"timestamp": "2017-10-11T19:48:... | 1,760,374,643.485797 | ||
https://hackaday.com/2017/10/11/hackerspaces-are-hard-safety/ | Hackerspaces Are Hard: Safety | John Baichtal | [
"Hackaday Columns",
"Hackerspaces"
] | [
"building code",
"hackerspaces",
"rules",
"safety"
] | Safety is one of those topics that often elicits a less-than-serious response from some tool users. For these folks, they assume their elite skills will protect them and as long as they pay attention, they never will get hurt. This explains the prevalence of the nickname “Stubby” among this population. On the opposite ... | 64 | 21 | [
{
"comment_id": "4118163",
"author": "Ren",
"timestamp": "2017-10-11T17:14:36",
"content": "I think a non-zero factor is, most hackerspaces are using older buildings because of cheap rent. A lot of floor space is needed for shop equipment, laser cutters, 3D printers, break room, etc. A new buildin... | 1,760,374,643.660182 | ||
https://hackaday.com/2017/10/11/friday-hack-chat-the-incredible-beagleboard/ | Friday Hack Chat: The Incredible BeagleBoard | Brian Benchoff | [
"Hackaday Columns"
] | [
"beagleboard",
"beaglebone",
"Hack Chat",
"Jason Kridner",
"PocketBeagle"
] | Over the last year or so, the BeagleBoard community has seen some incredible pieces of hardware.
The BeagleBone on a Chip
— the Octavo OSD335x — is a complete computing system with DDR3, tons of GPIOs, Gigabit Ethernet, and those all-important PRUs stuffed into a single piece of epoxy studded with solder balls. This ch... | 12 | 3 | [
{
"comment_id": "4118020",
"author": "Ostracus",
"timestamp": "2017-10-11T16:20:37",
"content": "Unfortunately a common thing among SBCs is the rare inclusion of two Ethernet ports. One is fine for hanging off the end of a network. Two for any kind of management including proxy.",
"parent_id": n... | 1,760,374,645.90778 | ||
https://hackaday.com/2017/10/12/propane-powered-plasma-rifle/ | Propane-Powered Plasma Rifle | Dan Maloney | [
"Misc Hacks",
"Weapons Hacks"
] | [
"cannon",
"cpvc",
"piezo",
"plasma",
"propane",
"PVC",
"rifle",
"soda bottle"
] | It may not be a “phased plasma rifle in the 40-watt range,” and it doesn’t even use plasma in the strict definition, but it’s pretty cool nonetheless. It’s
a propane-powered bottle-launching rifle
, and it looks like a lot of fun.
[NighthawkInLight] sure likes things that go pop, like
his watermelon-wasting air-powered... | 34 | 10 | [
{
"comment_id": "4121157",
"author": "jwcrawley",
"timestamp": "2017-10-12T20:11:21",
"content": "Well daaaamn, I seriously did a double take. He looks like Wil Wheaton!https://yt3.ggpht.com/-K11Ra5wmdeE/AAAAAAAAAAI/AAAAAAAAAAA/rD2m_ltAYzE/s900-c-k-no-mo-rj-c0xffffff/photo.jpg",
"parent_id": nul... | 1,760,374,645.737848 | ||
https://hackaday.com/2017/10/12/hackaday-prize-entry-bellcycles-are-open-source-compact-and-unique/ | Hackaday Prize Entry: Bellcycles Are Open-Source, Compact, And Unique | Brian McEvoy | [
"The Hackaday Prize",
"Transportation Hacks"
] | [
"2017 Hackaday Prize",
"bicycle",
"bike",
"engineered",
"open source",
"pennyfarthing",
"redesign",
"unique"
] | What do we want in a bicycle? It should be able to be constructed at home, even if your home is a New York apartment. It should be Open Source so our friends can make their own. It should be compact so it won’t clutter up our little apartments. It should be unique instead of another me-too. [Alex Bell], of Bellcycles, ... | 37 | 16 | [
{
"comment_id": "4120950",
"author": "RW ver 0.0.1",
"timestamp": "2017-10-12T18:35:27",
"content": "They don’t look like the physics works out very well for hard braking, or even light braking going downhill.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4... | 1,760,374,645.445317 | ||
https://hackaday.com/2017/10/12/retrotechtacular-radio-to-listen-to-when-you-duck-and-cover/ | Retrotechtacular: Radio To Listen To When You Duck And Cover | Al Williams | [
"History",
"Radio Hacks",
"Retrotechtacular"
] | [
"civil defense",
"cold war",
"conelrad",
"retrotechtacular"
] | CONELRAD may sound like the name of a fictional android, but it is actually an acronym for control of electronic radiation. This was a system put in place by the United States at the height of the cold war (from 1951 to 1963) with two purposes: One was to disseminate civil defense information to the population and, als... | 34 | 12 | [
{
"comment_id": "4120860",
"author": "Ostracus",
"timestamp": "2017-10-12T17:22:33",
"content": "Not sure “duck and cover” would survive an IKEA future.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4120944",
"author": "Ren",
"timestamp": "2... | 1,760,374,645.523119 | ||
https://hackaday.com/2017/10/12/this-3d-cable-printer-remixes-the-delta/ | This 3D Cable Printer Remixes The Delta | John Baichtal | [
"3d Printer hacks"
] | [
"3d printer",
"Cable Bot",
"delta robot"
] | When last we ran into [Daren Schwenke] he was showing off his 6-color delta printer that changes colors seamless mid-print. Right now he’s working on a printer that
uses tensioned cables to precisely move a toolhead
while maintaining enough solidity that [Daren] can tap on the toolhead without it budging at all.
It’s m... | 24 | 8 | [
{
"comment_id": "4120865",
"author": "Gravis",
"timestamp": "2017-10-12T17:26:56",
"content": "Took me a while to realize that there is a rod pushing down on the tool holder which is why it doesn’t go all bouncy. Very clever.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,646.233478 | ||
https://hackaday.com/2017/10/12/lego-compatible-electronics-kits-everywhere/ | LEGO-compatible Electronics Kits Everywhere! | Bob Baddeley | [
"Featured",
"Interest",
"Original Art",
"Slider",
"Toy Hacks"
] | [
"compatibility",
"education",
"lego",
"lego mindstorms",
"standards",
"stem",
"toys"
] | Within the last few years, a lot of companies have started with the aim to disrupt the educational electronics industry using their LEGO-compatible sets. Now they’re ubiquitous, and fighting each other for their slice of space in your child’s box of bricks. What’s going on here?
Raison D’Être
The main reason for LEGO-c... | 19 | 9 | [
{
"comment_id": "4120643",
"author": "Ren",
"timestamp": "2017-10-12T14:26:17",
"content": "My daughter (COUGH! and I) are LEGO fans, but I just couldn’t get her interested in Mindstorm or any other electronic kits…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,374,645.369422 | ||
https://hackaday.com/2017/10/12/hackadays-open-hardware-summit-experience/ | Hackaday’s Open Hardware Summit Experience | Mike Szczys | [
"cons",
"Hackaday Columns"
] | [
"denver",
"lulzbot",
"Open Hardware Summit",
"Open Hardware Summit 2017",
"OSHWA",
"sparkfun",
"tour"
] | Last week was the Open Hardware Summit in Denver Colorado. This yearly gathering brings together the people and businesses that hold Open Hardware as an ideal to encourage, grow, and live by. There was a night-before party, the summit itself which is a day full of talks, and this year a tour of a couple very familiar o... | 6 | 4 | [
{
"comment_id": "4120365",
"author": "Caleb",
"timestamp": "2017-10-12T11:12:53",
"content": "An hour long version of the password talk was also given at BSidesLV, video available herehttps://www.youtube.com/watch?v=yvn-NW67Nhg",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,645.983498 | ||
https://hackaday.com/2017/10/12/untether-from-your-location-with-a-vpn/ | Untether From Your Location With A VPN | Bryan Cockfield | [
"internet hacks"
] | [
"access",
"internet",
"IPv6",
"locale",
"raspberry pi",
"router",
"vpn"
] | By now, most of us know the perks of using a VPN: they make private one’s online activity (at least from your ISP’s point of view, probably), and they can also make it appear as if you are in a different locale than you physically are. This is especially important for trying to watch events such as the Olympics which m... | 38 | 12 | [
{
"comment_id": "4119906",
"author": "yetihehe",
"timestamp": "2017-10-12T08:22:03",
"content": "> Of course, this only leads to an arms race of VPNs being blocked, and them finding ways around the obstacles, and on and on.“Internet” sees DRM as a damage and routes around it.",
"parent_id": null... | 1,760,374,645.668453 | ||
https://hackaday.com/2017/10/08/midisway-promises-to-step-up-your-live-show/ | MIDISWAY Promises To Step Up Your Live Show | Brian McEvoy | [
"Musical Hacks"
] | [
"frequency",
"instrument",
"keyboard",
"keys",
"midi",
"modulation",
"music",
"Musical",
"piano",
"pitch",
"pitch bending",
"tremolo",
"whammy bar"
] | If you like to read with gentle music playing, do yourself a favor and start the video while you’re reading about [Hugo Swift]’s
MIDISWAY
. The song is
Promises
, also by [SWIFT], which has piano phrases modulated during the actual playing, not in post-production.
The MIDISWAY is a stage-worthy looking box to sit atop ... | 13 | 4 | [
{
"comment_id": "4108974",
"author": "echodelta",
"timestamp": "2017-10-08T17:46:33",
"content": "Wow! I have been noticing this annoying deviation in a few of today’s electronic artists. Like a VLFO or yes, the bad effects of tape or disc wow. Please stop.",
"parent_id": null,
"depth": 1,
... | 1,760,374,646.037022 | ||
https://hackaday.com/2017/10/08/low-tech-chair-enters-the-matrix/ | Low-Tech Chair Enters The Matrix | Donald Papp | [
"Virtual Reality"
] | [
"htc",
"HTC Vive",
"Vive",
"Vive Tracker"
] | This video demonstrates a really interesting experiment: sticking
a Vive Tracker onto an ordinary chair
in order to sync it up perfectly with its VR counterpart. The result? A chair that is visible in VR as a virtual object, but has a 1:1 physical world version occupying the same space. This means that unlike any other... | 37 | 10 | [
{
"comment_id": "4108444",
"author": "Atcnetz.de",
"timestamp": "2017-10-08T14:08:39",
"content": "Until you are so in game that you forgot the chair is not real and you sit down…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4108475",
"author": "gr... | 1,760,374,645.597201 | ||
https://hackaday.com/2017/10/08/hovering-questions-about-magnetic-levitation/ | Hovering Questions About Magnetic Levitation | Brian McEvoy | [
"Toy Hacks"
] | [
"electromagnet",
"hover",
"levitation",
"magnetics",
"magnets",
"permanent magnet",
"suspension"
] | Who doesn’t love magnets? They’re functional, mysterious, and at the heart of nearly every electric motor. They can make objects appear to defy gravity or move on their own. If you’re like us, when you first started grappling with the refrigerator magnets, you tried to make one hover motionlessly over another. We tried... | 29 | 9 | [
{
"comment_id": "4108326",
"author": "Dave Davidson",
"timestamp": "2017-10-08T13:18:54",
"content": "With a title like that one might think it had Benchoffian origins.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4109136",
"author": "Brian McEvoy"... | 1,760,374,646.170999 | ||
https://hackaday.com/2017/10/08/your-hard-disk-as-an-accidental-microphone/ | Your Hard Disk As An Accidental Microphone | Jenny List | [
"Security Hacks"
] | [
"EKO Party",
"hdd",
"microphone",
"security"
] | We’re used to attaching peripherals to our computers, when we have a need for them to interact with the world around them. An Arduino Uno needs a shield to turn on the lights, for example. Just sometimes though there is the potential for unintended interaction between a computer and the real physical world which surrou... | 30 | 8 | [
{
"comment_id": "4107703",
"author": "barucheven",
"timestamp": "2017-10-08T08:11:31",
"content": "Obligatory screaming at HDDs video:https://youtu.be/tDacjrSCeq4",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4107894",
"author": "Jonathan Wagner",
... | 1,760,374,646.10562 | ||
https://hackaday.com/2017/10/07/radio-tuning-the-quicksilver-way/ | Radio Tuning The Quicksilver Way | Jenny List | [
"Parts",
"Radio Hacks"
] | [
"coil",
"inductor",
"permeability",
"radio",
"tuned circuit"
] | Modern radios are often digital affairs, in which the frequency is derived from a stable crystal oscillator and varied through a microprocessor controlled frequency synthesiser. It won’t drift, and it’s exactly on the frequency dialed in. Older radios though relied on a tuned circuit, a combination of capacitor and ind... | 58 | 15 | [
{
"comment_id": "4107145",
"author": "saabman",
"timestamp": "2017-10-08T05:19:20",
"content": "Ive got a heap of Mercury lying around – loking for cool thingsto do with it..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4107438",
"author": "Truth",... | 1,760,374,646.956882 | ||
https://hackaday.com/2017/10/07/spidermav-drone-shoots-webs-to-perch-and-stabilize/ | SpiderMAV Drone Shoots Webs To Perch And Stabilize | Steven Dufresne | [
"News"
] | [] | Introducing your friendly neighborhood SpiderMAV, a
micro aerial vehicle that shoots webbing
to enable it to hang from ceilings and stabilize itself horizontally using low power. It’s inspired by the
Darwin’s bark spider
that spins a circular web with anchor lines up to 25 meters (82 feet) long.
For the DJI Matrice 100... | 8 | 6 | [
{
"comment_id": "4106710",
"author": "Ostracus",
"timestamp": "2017-10-08T02:46:19",
"content": "Can it play the theme song while hanging around?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4106752",
"author": "Dan",
"timestamp": "2017-10-08T02:59:4... | 1,760,374,646.864757 | ||
https://hackaday.com/2017/10/07/dog-pov-canine-speed-indicator/ | Dog-POV: Canine Speed Indicator | John Baichtal | [
"Arduino Hacks"
] | [
"dog",
"POV",
"speedometer"
] | [Johan Beyers] built an elegantly simple
Dog Speedometer
project that uses a POV display to display a running dog’s speed without the benefit of an accelerometer. Using an Arduino (looks like it might be a
D-love
) and a line of 5 LEDs, [Johan] built a dirt-simple POV —
39 lines of code
— that times out the flashes so ... | 16 | 8 | [
{
"comment_id": "4106937",
"author": "Vinalon",
"timestamp": "2017-10-08T03:59:35",
"content": "Aww, who’s a good doggy? Whoozagoodpuppy? Who’s gonna tear that thing to shreds when they bound away off-leash? You are! Oh, yes you are yousagooddoggy, you.Super cool! (But it might need a case.)",
"... | 1,760,374,646.576407 | ||
https://hackaday.com/2017/10/09/one-mans-tale-of-emc-compliance-testing/ | One Man’s Tale Of EMC Compliance Testing | Jenny List | [
"Radio Hacks"
] | [
"electromagnetic compatibility",
"emc",
"EMC testing"
] | If you turn over almost any electronic device, you should find all those compliance logos: CE, FCC, UL, TÜV, and friends. They mean that the device meets required standards set by a particular region or testing organisation, and is safe for you, the consumer.
Among those standards are those concerning EMC, or
E
lectro
... | 31 | 11 | [
{
"comment_id": "4114022",
"author": "Nay",
"timestamp": "2017-10-10T05:39:56",
"content": "The ferrite ring of shame.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4114133",
"author": "OLD_HACK",
"timestamp": "2017-10-10T06:58:15",
... | 1,760,374,646.749327 | ||
https://hackaday.com/2017/10/09/a-converter-you-wont-have-ps2-mouse-to-serial-mouse/ | A Converter You Won’t Have: PS/2 Mouse To Serial Mouse | Jenny List | [
"classic hacks"
] | [
"mouse",
"PS/s mouse",
"ps2",
"rs232",
"RS232 mouse",
"serial mouse",
"usb mouse"
] | When did you last buy a mouse? Did it have a little adapter in the box? There was a time when if you bought a USB mouse, in the box was also an adapter to allow it to be used with the older PS/2 interface. And if you were to go back a few more years into the past, you’d have found when you bought a mouse with a PS/2 co... | 68 | 16 | [
{
"comment_id": "4113715",
"author": "macona",
"timestamp": "2017-10-10T02:08:27",
"content": "“if you were extremely lucky, optical encoder wheels”I have never seen even an old mouse without encoders. And I took a lot apart in my day to clean them out.",
"parent_id": null,
"depth": 1,
"... | 1,760,374,646.681579 | ||
https://hackaday.com/2017/10/09/typhoon-proof-wind-turbine/ | Typhoon-proof Wind Turbine | Bryan Cockfield | [
"green hacks"
] | [
"electricity",
"generator",
"green",
"turbine",
"typhoon",
"wind"
] | While wind energy is rapidly increasing its market share across the world, wind turbines are not able to be constructed everywhere that they might be needed. A perfect example of this is Japan, where a traditional wind turbine would get damaged by typhoons. After the Fukushima disaster, though, one Japanese engineer co... | 35 | 7 | [
{
"comment_id": "4113480",
"author": "Internet",
"timestamp": "2017-10-09T23:10:54",
"content": "Commenting about the previous screwdriving thread here instead because it appears to be closed so moving the discussion to here instead as I am not sure exactly where else to put it.Just wanted to point ... | 1,760,374,646.816397 | ||
https://hackaday.com/2017/10/09/screwdriving/ | Screwdriving | Pedro Umbelino | [
"News",
"Security Hacks"
] | [
"adult toys",
"ble",
"security"
] | Screwdriving! It’s like wardriving but instead of discovering WiFi networks, the aim is to discover Bluetooth Low Energy (BLE) devices of a special kind: adult toys. Yes, everything’s going to be connected, even vibrators. Welcome to the 21st century.
Security researcher [Alex Lomas] recently found that a lot of BLE-e... | 1 | 1 | [
{
"comment_id": "4113437",
"author": "Mike Szczys",
"timestamp": "2017-10-09T22:48:24",
"content": "Comments got a bit out of hand on this one so I’ve disabled them and removed the thread that was here. If you would like to discuss this action please contact editor at hackaday via email. Thanks.",
... | 1,760,374,647.19849 | ||
https://hackaday.com/2017/10/09/hackaday-prize-entry-digital-white-cane/ | Hackaday Prize Entry: Digital White Cane | Rich Hawkes | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"digital cane",
"haptic feedback",
"lidar",
"Teensy LC",
"Time of Flight Sensor"
] | If you are blind or your vision is impaired, moving around in a new space can be a harrowing experience. A cane helps, but only samples one point at a time, and can’t help that much above a certain height.
The Digital White Cane
is a haptic feedback device that uses Time of Flight components to detect surrounding objec... | 7 | 3 | [
{
"comment_id": "4113244",
"author": "Ren",
"timestamp": "2017-10-09T21:30:02",
"content": "Have it also sense to the rear and have haptic feedback there too!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4153951",
"author": "Paul Haas",
"ti... | 1,760,374,647.001068 | ||
https://hackaday.com/2017/10/09/zeniths-new-watch-oscillator-is-making-waves/ | Zenith’s New Watch Oscillator Is Making Waves | Kristina Panos | [
"clock hacks"
] | [
"Aeronith",
"harmonic oscillator",
"mechanical watch",
"oscillator",
"watch movement",
"zenith"
] | Swiss watchmaker Zenith has created what many mechanical watch fanatics are calling the biggest improvement to mechanical watch accuracy since the invention of the balance spring in 1675.
The Caliber ZO 342 is a new type of harmonic oscillator that runs at 15 Hz, which is almost four times the speed of most watches
. T... | 47 | 17 | [
{
"comment_id": "4112826",
"author": "Hirudinea",
"timestamp": "2017-10-09T17:41:33",
"content": "I’m still not giving up my calculator watch!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4115647",
"author": "Vic",
"timestamp": "2017-10-10T... | 1,760,374,647.287083 | ||
https://hackaday.com/2017/10/09/this-3d-printer-enclosure-takes-ventilation-seriously/ | This 3D Printer Enclosure Takes Ventilation Seriously | Donald Papp | [
"3d Printer hacks"
] | [
"3d printer",
"3d printer enclosure",
"3d printer exhaust",
"enclosure",
"exhaust",
"ventilation"
] | A lot of work has gone into hacking common items (like IKEA Lack tables) into useful and effective 3D printer enclosures, but [Stefan.Lu] has taken
a harder look at the whole business
. He decided to start with some specific goals that were unmet by current solutions. In particular, he wanted to allow for proper ventil... | 17 | 4 | [
{
"comment_id": "4112926",
"author": "Internet",
"timestamp": "2017-10-09T18:42:54",
"content": "Sorry, enclosed printers are patented. Only patent holders or their license holders are permitted to offer such a basic and safety related “upgrade”.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,374,647.055453 | ||
https://hackaday.com/2017/10/07/the-hackaday-prize-growing-your-own-soil/ | The Hackaday Prize: Growing Your Own Soil | Bryan Cockfield | [
"chemistry hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"biology",
"carbon",
"Chemistry",
"farming",
"pyrolysis",
"rainforest",
"soil",
"terra preta"
] | When a rainforest is clearcut for agricultural use, we only see the surface problems: fewer trees, destruction of plant and animal habitats, and countless other negative effects on the environment. A lurking problem, however, is that the soil is often non-ideal for farming. When the soil is exhausted, the farmers move ... | 17 | 5 | [
{
"comment_id": "4105695",
"author": "cicero44bc",
"timestamp": "2017-10-07T20:28:39",
"content": "This is so encouraging.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4105720",
"author": "Dan",
"timestamp": "2017-10-07T20:39:04",
"content": "Thi... | 1,760,374,647.344122 | ||
https://hackaday.com/2017/10/07/retromodem-for-the-commodore-64/ | RetroModem For The Commodore 64 | Lewin Day | [
"classic hacks",
"computer hacks"
] | [
"arduino",
"c64",
"commodore 64",
"ethernet",
"hayes",
"hayes command set",
"modem"
] | Retrocomputers are fun, but ultimately limited in capability compared to modern hardware. One popular pursuit to rectify this is the connection of early home computers to the Internet. To that end, [que] built
the Retromodem for the Commodore 64
.
The build starts with a case from an Intel 14.4 modem. A little fast for... | 17 | 5 | [
{
"comment_id": "4105208",
"author": "dithermaster",
"timestamp": "2017-10-07T17:45:14",
"content": "Holy crap, I just realized you could put an entire snapshot of the dial-up world from 1983 inside that box, and emulate calling any one of the BBS’s there (including the one I co-ran starting from 19... | 1,760,374,647.395954 | ||
https://hackaday.com/2017/10/07/virtual-analog-synth-brings-tunes-to-the-masses/ | Virtual Analog Synth Brings Tunes To The Masses | Bryan Cockfield | [
"Microcontrollers"
] | [
"music",
"stm",
"STM32F7",
"synth",
"synthesizer"
] | Part of the problem with getting involved in a new hobby is the cost. Whether you’re learning to surf, weld, garden, or program, often the entry cost is several hundred dollars. We’re huge fans of things with low barriers to entry, though, so we were happy to see the latest project from [pappas.chris] which promises to... | 19 | 13 | [
{
"comment_id": "4104566",
"author": "RW ver 0.0.1",
"timestamp": "2017-10-07T14:23:11",
"content": "Since you appear to need a host machine to run it, what’s different than running synth software on the host?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4... | 1,760,374,647.452351 | ||
https://hackaday.com/2017/10/07/arduino-uno-strain-relief/ | Arduino Uno Strain Relief | Will Sweatman | [
"Arduino Hacks"
] | [
"arduino",
"jumpers",
"strain relief"
] | Do jumper wires pulling out of your Uno have you pulling your hair out? Is troubleshooting loose jumpers making you lose your mind? Are your projects backing up because of all the time you’ve lost keeping jumper wires secure in your Arduino Uno? Then you need the all new
Ardunio Strain Relief Enclosure
!
[Jeremy Cook]... | 24 | 7 | [
{
"comment_id": "4104032",
"author": "denis",
"timestamp": "2017-10-07T11:19:42",
"content": "LED is too small.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4104303",
"author": "Jeremy S. Cook (@JeremySCook)",
"timestamp": "2017-10-07T12:51... | 1,760,374,647.572656 | ||
https://hackaday.com/2017/10/07/opto-isolating-automatic-cat-feeder-problems/ | Opto-Isolating Automatic Cat Feeder Problems | Kristina Panos | [
"Misc Hacks"
] | [
"automatic cat feeder",
"opto-isolator",
"reed switch"
] | When you buy an off-the-shelf automatic cat feeder, you might well expect it to do the one thing it’s supposed to do. Feed the cat. Well, at least as long as you do your part by keeping it filled with food nuggets.
[Stephen] had the sneaking suspicion that his feeder was slacking occasionally, and set out to prove this... | 22 | 7 | [
{
"comment_id": "4103734",
"author": "Alphatek",
"timestamp": "2017-10-07T08:29:56",
"content": "But he’s not tried to fix the feeder?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4104265",
"author": "RW ver 0.0.1",
"timestamp": "2017-10-07... | 1,760,374,647.511511 | ||
https://hackaday.com/2017/10/06/an-old-video-game-controller-on-even-older-computer/ | An Old Video Game Controller On Even Older Computer | Bryan Cockfield | [
"Nintendo Hacks"
] | [
"gaming",
"hardware",
"microsoft",
"msx",
"nes",
"nintendo",
"retro",
"snes",
"spi",
"super nintendo"
] | For those of us not old enough to remember, and
also
probably living in the States, there was a relatively obscure computer built by Microsoft in the early 80s that had the strong Commodore/Atari vibe of computers that were produced before PCs took over. It was known as the MSX and only saw limited release in the US, a... | 13 | 7 | [
{
"comment_id": "4103325",
"author": "Paco Marín (@pmarin_140)",
"timestamp": "2017-10-07T06:18:22",
"content": "Cool hack nonetheless.The MSX joystick interface is the usual atari pinouts layout with two buttons. It’s trivial to hack a megadrive/genesis joystick by rewiring one cable.",
"paren... | 1,760,374,647.618751 | ||
https://hackaday.com/2017/10/06/fighting-machine-tool-chatter-with-a-555-timer/ | Fighting Machine Tool Chatter With A 555 Timer | Dan Maloney | [
"Tool Hacks"
] | [
"555",
"chatter",
"cutting",
"lathe",
"milling machine",
"resonance",
"variable frequency drive",
"vfd",
"vibration"
] | Vibration is a fact of life in almost every machining operation. Whether you’re milling, drilling, turning, or grinding, vibration can result in chatter that can ruin a part. Fighting chatter has generally been a matter of adding more mass to the machine, but if you’re clever about things,
chatter reduction can be acco... | 32 | 11 | [
{
"comment_id": "4102404",
"author": "Matt",
"timestamp": "2017-10-07T02:18:45",
"content": "This is seriously cool",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4106025",
"author": "johnrpm",
"timestamp": "2017-10-07T22:32:04",
"con... | 1,760,374,647.685545 | ||
https://hackaday.com/2017/10/09/our-reactions-to-the-treatment-of-robots/ | Our Reactions To The Treatment Of Robots | Steven Dufresne | [
"Featured",
"Interest",
"Robots Hacks",
"Slider"
] | [
"BB-8",
"boston dynamics",
"humanoid",
"humanoid robot",
"object recognition",
"uncanny valley"
] | Most of us have seen employees of Boston Dynamics kicking their robots, and many of us instinctively react with horror. More recently I’ve watched my own robots being petted, applauded for their achievements, and yes, even kicked.
Why do people react the way they do when mechanical creations are treated as if they were... | 80 | 35 | [
{
"comment_id": "4112437",
"author": "Ostracus",
"timestamp": "2017-10-09T14:14:48",
"content": "Seems like the bar to anthropomorphism is pretty low…for humans. Just think what it’ll be like as we climb higher, and affordable too.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,648.030214 | ||
https://hackaday.com/2017/10/09/project-loon-will-float-lte-to-puerto-rico/ | Project Loon Will Float LTE To Puerto Rico | Kristina Panos | [
"News"
] | [
"high altitude balloon",
"LTE",
"puerto rico",
"stratosphere"
] | Some of the biggest names in technology have offered their help in rebuilding Puerto Rico’s infrastructure. The newest name on the list? The X division of Alphabet, who want to help fill the huge communications gap using Project Loon, their high-altitude balloon network. It looks like X is going to get their wish, as
t... | 18 | 9 | [
{
"comment_id": "4111905",
"author": "yeti",
"timestamp": "2017-10-09T11:04:42",
"content": "Wow!!!<3!!!I love such \"hacks\"!That's what is making a difference!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4111923",
"author": "Perry Levac",
"timesta... | 1,760,374,647.904999 | ||
https://hackaday.com/2017/10/09/trading-bird-food-for-cigarette-butts/ | Trading Bird Food For Cigarette Butts | Brian McEvoy | [
"green hacks",
"Slider"
] | [
"animal",
"bird",
"City",
"clean",
"corvid",
"corvidae",
"crow",
"litter",
"recycling",
"service",
"trash"
] | Positive reinforcement is the process of getting someone to understand their actions result in a reward. Children get a sweet treat when they pick up all their toys and older ones might get some cash for mowing the lawn. From the perspective of the treat-giver, this is like turning treats into work. A Dutch startup wan... | 98 | 30 | [
{
"comment_id": "4111706",
"author": "Markus",
"timestamp": "2017-10-09T08:12:44",
"content": "This is absolutely brilliant idea! :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4111735",
"author": "Tommy Paaske Hansen",
"timestamp": "2017... | 1,760,374,648.171219 | ||
https://hackaday.com/2017/10/08/connecting-a-50-geiger-counter/ | Global Thermonuclear War: Tweeted | Al Williams | [
"ARM",
"Tool Hacks"
] | [
"ESP32",
"Fallout",
"geiger counter",
"radiation",
"radioactivity"
] | [Andreas Spiess] did a video earlier this year about fallout shelters. So it makes sense now he’s interested in having a Geiger counter connected to the network. He married
a prefabricated counter with an ESP32
. If it were just that simple, it wouldn’t be very remarkable, but [Andreas] also reverse-engineered the sche... | 22 | 8 | [
{
"comment_id": "4111268",
"author": "Fred",
"timestamp": "2017-10-09T05:09:14",
"content": "Wouldn’t it make more sense to send the text alerts directly to your phone from the ESP32 via email?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4111307",
... | 1,760,374,648.337024 | ||
https://hackaday.com/2017/10/08/casa-jasmina-two-years-on/ | Casa Jasmina Two Years On | John Baichtal | [
"home hacks"
] | [
"future sparkles",
"glowy things",
"house of the future",
"internet of things",
"laser-cut furniture"
] | [Bruce Sterling], author of fiction and nonfiction tomes aplenty,
wrote up one of his projects
for Makezine: Casa Jasmina, an IoT “house of the future”. Located in Torino, Italy, it was built upstairs from the Torino Fab Lab as a collaboration between [Bruce], his wife [Jasmina Tesanovic], and a number of other contrib... | 3 | 1 | [
{
"comment_id": "4110645",
"author": "Ostracus",
"timestamp": "2017-10-09T02:19:22",
"content": "I’m waiting for a time when one can literally grow their own house.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4110774",
"author": "RW ver 0.0.1",
... | 1,760,374,648.372072 | ||
https://hackaday.com/2017/10/08/hackaday-links-october-8-2017/ | Hackaday Links: October 8, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"adafruit",
"botfarm",
"BotQueue",
"lulzbot",
"Open Hardware Summit",
"processing",
"radio shack",
"Rubick's Cube",
"sparkfun",
"TCT"
] | On the top of the popcorn pile for this weekend
is an ambiguous tweet from Adafruit that was offered without comment or commentary
. [Lady Ada] is holding some sort of fancy incorporation papers for Radio Shack. The smart money is that Adafruit just bought these at the Radio Shack auction a month or so ago. The
specula... | 40 | 12 | [
{
"comment_id": "4110033",
"author": "RW ver 0.0.1",
"timestamp": "2017-10-08T23:23:14",
"content": "We shall have to organise and demand they bring back the TRS-80 !!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4110102",
"author": "nsayer",
... | 1,760,374,648.514116 | ||
https://hackaday.com/2017/10/08/hackaday-prize-entry-personal-guardian-keeps-an-eye-out/ | Hackaday Prize Entry: Personal Guardian Keeps An Eye Out | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"assistive technolgy",
"gsm shield",
"sensors"
] | The
Personal Guardian
is a wearable tracking and monitoring device intended to help vulnerable people. The project goal is to allow these patients as much independence and activity as possible without a caregiver needing to be present. Wearing a sensor package might allow a memory care patient (for instance) greater fr... | 14 | 6 | [
{
"comment_id": "4109485",
"author": "Redhatter (VK4MSL)",
"timestamp": "2017-10-08T20:24:24",
"content": "The prototype looks to be a little on the bulky side, but a good first start.I guess the next step now is to port the code to a smaller and more readily available dev board. If they’ve done th... | 1,760,374,648.430802 | ||
https://hackaday.com/2017/10/06/tape-cutting-bot-trims-the-tedium/ | Tape Cutting Bot Trims The Tedium | Jenny List | [
"Tool Hacks"
] | [
"component tape",
"electronic kit",
"smd components",
"smd tape"
] | If you have ever had to assemble a batch of electronic kits, you will know the tedious nature of cutting the tape containing your components. It’s easy enough to count four or five surface-mount resistors and snip them off with a pair of scissors once or twice, but when you are faced with repeating the task a hundred o... | 12 | 7 | [
{
"comment_id": "4101859",
"author": "RW ver 0.0.1",
"timestamp": "2017-10-06T23:19:31",
"content": "Quite similar in concept tohttps://hackaday.com/2016/10/19/scissors-make-great-automatic-cable-cutters/although the scissor actuation differs.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,374,648.55884 | ||
https://hackaday.com/2017/10/06/japanese-hackers-sending-solar-lanterns-to-puerto-rico/ | Hackerfarm Brings Light To Puerto Rico | Richard Baguley | [
"News"
] | [] | Puerto Rico has a long road to recovery, and part of this is the damaged infrastructure: much of the electricity distribution network was destroyed, and will take months or years to rebuild. The Japanese hacker group [Hackerfarm], founded by Hackaday friend [Akiba], is looking to help by
sending some of their solar lan... | 64 | 17 | [
{
"comment_id": "4101460",
"author": "addy771",
"timestamp": "2017-10-06T20:40:32",
"content": "At least they’re doing something more than commenting on the internet",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4101958",
"author": "Aleks Clark (@al... | 1,760,374,648.705045 | ||
https://hackaday.com/2017/10/06/hackaday-prize-entry-economical-bionic-leg/ | Hackaday Prize Entry: Economical Bionic Leg | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"assistive technolgy",
"bionic",
"Prosthesis"
] | When it comes to high-tech bionic legs for amputees, all the cool stuff is titanium, carbon fiber or other, more exotic materials. With carbon fiber “blades” all the rage, it’s easy to forget that simpler technologies still work, and could be made to work even better with the addition of some inexpensive electronics. T... | 9 | 6 | [
{
"comment_id": "4101644",
"author": "RW ver 0.0.1",
"timestamp": "2017-10-06T21:56:34",
"content": "I’d cut off my own leg before I had to use a cloud enabled prosthetic… oh wait.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4102176",
"author": "Ostracu... | 1,760,374,648.604977 | ||
https://hackaday.com/2017/10/06/retrotechtacular-hacking-wartime-mail/ | Retrotechtacular: Hacking Wartime Mail | Al Williams | [
"History",
"Retrotechtacular"
] | [
"airgraph",
"microfilm",
"retrotechtactular",
"v-mail",
"vmail",
"world war II",
"wwii"
] | I’m guessing you got quite a few e-mails today. But have you ever had a v-mail? That sounds like some new term for video e-mail, but it actually dates back to World War II. If you are in Europe, the term was Airgraph — not much more descriptive.
If you make a study of war, you’ll find one thing. Over the long term, the... | 33 | 11 | [
{
"comment_id": "4100717",
"author": "captnmike",
"timestamp": "2017-10-06T17:22:01",
"content": "More recent in my lifetime, Air Mail envelops from the post office came unfolded and were very thin paper, you wrote on the inside of the envelope then folded it up and licked the glue like a regular en... | 1,760,374,648.782033 | ||
https://hackaday.com/2017/10/06/the-cow-jumped-over-the-moon/ | “The Cow Jumped Over The Moon” | Anool Mahidharia | [
"Arduino Hacks",
"Robots Hacks"
] | [
"arduino",
"Arduino Uno",
"mp3 player",
"oled display",
"robot",
"scarecrow",
"tinkercad"
] | [Ash] built
Moo-Bot, a robot cow scarecrow
to enter the competition at a local scarecrow festival. We’re not sure if Moo-bot will win the competition, but it sure is a winning hack for us. [Ash]’s blog is peppered with delightful prose and tons of pictures, making this an easy to build project for anyone with access to... | 12 | 5 | [
{
"comment_id": "4100549",
"author": "RoGeorge",
"timestamp": "2017-10-06T15:58:11",
"content": "Interesting, seems like the idea has an international root theme with various farm animals!Before now, I thought “the farm annimal jumping over the Moon” was just a song from a Romanian artist, Ada Milea... | 1,760,374,648.835301 | ||
https://hackaday.com/2017/10/06/bom-cost-optimization-and-tindie-badge-engineering/ | BOM Cost Optimization And Tindie Badge Engineering | Brian Benchoff | [
"Hackaday Columns",
"hardware"
] | [
"badge",
"badgelife",
"blinky",
"Tindie",
"tindie blinky badge"
] | For the last few months, I’ve been up to my neck in electronic conference badges. This year,
I created the single most desirable badge at DEF CON
. I also built
a few Tindie badges
, and right now I’m working on the logistics behind the Hackaday SuperConference badge. Sit tight on that last one — we’re doing something ... | 16 | 12 | [
{
"comment_id": "4100423",
"author": "RW ver 0.0.1",
"timestamp": "2017-10-06T14:26:47",
"content": "Spoiler, they used cheaper parts.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4100516",
"author": "Ren",
"timestamp": "2017-10-06T15:20:11",
"co... | 1,760,374,649.087634 | ||
https://hackaday.com/2017/10/06/running-the-snes-classic-mini-emulator-on-the-raspberry-pi/ | Running The SNES Classic Mini Emulator On The Raspberry Pi | Lewin Day | [
"Nintendo Hacks",
"Raspberry Pi"
] | [
"raspberry pi",
"snes",
"snes classic mini"
] | Unless you’ve been living under a rock, you’d be familiar with Nintendo’s hugely popular Classic Mini consoles. Starting with the NES, and now followed with the SNES, the consoles ship in a cute, miniature enclosure and emulate Nintendo classics using the horsepower of modern ARM chips. These consoles use an emulator t... | 30 | 9 | [
{
"comment_id": "4100248",
"author": "Xerxes3rd",
"timestamp": "2017-10-06T11:45:17",
"content": "I’ve been wondering if this would work- it’s pretty awesome! Next will be to see if the front end works (I assume this is just the emulator portion), then compile the clovercon source to support the I2... | 1,760,374,649.008026 | ||
https://hackaday.com/2017/10/05/learn-fpga-programming-from-the-1940s/ | Learn FPGA Programming From The 1940s | Al Williams | [
"FPGA"
] | [
"chip hack",
"edsac",
"fpga",
"iCE40",
"lattice",
"paper tape",
"verilog",
"wuthering bytes"
] | We often think that not enough people are building things with FPGAs. We also love the retrotechtacular posts on old computer hardware. So it was hard to pass up [karlwoodward’s] post about the
Chip Hack EDSAC Challenge
— part of the 2017 Wuthering Bytes festival.
You might recognize EDSAC as what was arguably the firs... | 11 | 4 | [
{
"comment_id": "4096224",
"author": "Ostracus",
"timestamp": "2017-10-05T17:28:36",
"content": "Nice, but isn’t user accessible FPGAs coming to more desktops in the form of CPU/GPUs, not to mention what one can stick in a chipset, or wireless.",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,374,648.935027 | ||
https://hackaday.com/2017/10/05/review-new-3g-and-cat-m1-cellular-hardware-from-hologram/ | Review: New 3G And Cat-M1 Cellular Hardware From Hologram | Mike Szczys | [
"Cellphone Hacks",
"Featured",
"News",
"Reviews",
"Wireless Hacks"
] | [
"3g",
"Cat-M1",
"cellular modem",
"hologram",
"Hologram nova",
"Hologram.io",
"LTE",
"NoVA",
"u-blox"
] | In July we reported on the launch of the Hologram developer program that offered a free SIM card and a small amount of monthly cellular data for those who wanted to build connectivity into their prototypes. Today, Hologram has launched some new hardware to go along with that program.
Nova
is a cellular modem in a USB t... | 31 | 9 | [
{
"comment_id": "4095909",
"author": "Mike",
"timestamp": "2017-10-05T13:21:44",
"content": "All this talk and yet no link to product. Jeez,",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4095921",
"author": "Max Siegieda (@CampGareth)",
"tim... | 1,760,374,649.412204 | ||
https://hackaday.com/2017/10/05/mini-spool-system-for-3d-printing-pen-tidies-things-up/ | Mini Spool System For 3D Printing Pen Tidies Things Up | Donald Papp | [
"3d Printer hacks"
] | [
"3D pen",
"3d printed",
"3D printing pen",
"filament",
"filament holder",
"filament spool",
"plastic welding",
"spool"
] | 3D printing pens may be toys to some, but they can be genuinely useful tools to repair 3D prints, rescue a support structure, or weld together different pieces. However, [BManx2000] found that the way the filament simply sticks out of the back of a 3D printing pen like a bizarre tailfeather was troublesome.
The solutio... | 7 | 3 | [
{
"comment_id": "4095855",
"author": "Peter K",
"timestamp": "2017-10-05T12:59:13",
"content": "Very neat. An elegant solution for a more civilized age.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4096056",
"author": "Ren",
"timestamp": "2017-10-05T... | 1,760,374,649.273786 | ||
https://hackaday.com/2017/10/05/hotline-helps-toddler-keep-in-touch-with-mom-and-dad/ | Hotline Helps Toddler Keep In Touch With Mom And Dad | Dan Maloney | [
"home hacks",
"Raspberry Pi"
] | [
"google voice",
"handset",
"hotline",
"pbx",
"raspberry pi",
"SIP",
"telephone",
"toddler"
] | Even though the age for first carrying a smartphone seems to be decreasing, there’s a practical lower minimum age at which a kid can reliably use one to make a call. So how do you make sure your tot can reach out and touch mommy or daddy?
This toddler-friendly Raspberry Pi hotline
is a good start.
With a long trip to H... | 30 | 10 | [
{
"comment_id": "4095548",
"author": "James Analytic",
"timestamp": "2017-10-05T08:52:47",
"content": "Awesome!!! Man, you can even get artsy creative fun with it for the users favorite or humorous theme as a gift to remind to call. Add a motion sensor and some sort of voice activation would be so... | 1,760,374,649.585061 | ||
https://hackaday.com/2017/10/04/precision-pantograph-probes-pcbs/ | Precision Pantograph Probes PCBs | Brian McEvoy | [
"hardware"
] | [
"electronics",
"four bar linkage",
"linkage",
"measuring",
"pantograph",
"precision",
"probe",
"repair",
"testing",
"troubleshooting"
] | Electronic components are getting smaller and for most of us, our eyesight is getting worse. When [Kurt] started using a microscope to get a better view of his work, he realized he needed another tool to give his hands the same kind of precision. That tool didn’t exist so
he built it
.
The PantoProbe is a pantograph me... | 26 | 13 | [
{
"comment_id": "4095338",
"author": "lageos",
"timestamp": "2017-10-05T05:06:32",
"content": "Awesome idea and execution! Big thumbs up!Tweezers would be handy additional :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4096161",
"author": "Kurt",
... | 1,760,374,649.33615 | ||
https://hackaday.com/2017/10/04/adding-screws-to-a-diy-cnc-machine/ | Adding Screws To A DIY CNC Machine | Brian Benchoff | [
"cnc hacks"
] | [
"acme screw",
"ball screw",
"cnc",
"screw"
] | When it comes to CNC machines, your SureFine has screws on its axes, and the Bodgeport does too. A shopbot has an amazing rack gear system, but when you start to dig into the small CNC routers available for under $2,000, you’ll only find belts moving a router back and forth. This isn’t to say belts won’t work — you can... | 24 | 10 | [
{
"comment_id": "4095212",
"author": "PAPPP",
"timestamp": "2017-10-05T02:24:53",
"content": "First aside from all the 3020/3040/6040 type Chinese aluminum extrusion machines, which have had screws for the many years they’ve been available, and even come in trapezoidal or ball screw variants. I’d s... | 1,760,374,649.658143 | ||
https://hackaday.com/2017/10/04/sifive-announces-risc-v-soc/ | SiFive Announces RISC-V SoC | Brian Benchoff | [
"Microcontrollers",
"News"
] | [
"linux",
"RISC-V",
"SiFive",
"SoC",
"system on chip"
] | At the Linley Processor Conference today, SiFive, the semiconductor company building chips around the Open RISC-V instruction set
has announced the availability of a quadcore processor that runs Linux
. We’ve seen RISC-V implementations before, and SiFive has already released silicon-based on the RISC-V ISA. These impl... | 33 | 13 | [
{
"comment_id": "4095010",
"author": "RW (Think I hit the spam throttle.)",
"timestamp": "2017-10-04T23:07:12",
"content": "Modern? 28nm is so 4 years ago…. I’d call it “mature” maybe.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4095049",
"author": "Ale... | 1,760,374,649.739137 |
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