url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
values | publish_date stringclasses 1
value | categories listlengths 0 12 | tags listlengths 0 27 | featured_image stringlengths 0 272 | content stringlengths 0 56.1k | comments_count int64 0 900 | scraped_comments_count int64 0 50 | comments listlengths 0 50 | scraped_at float64 1.76B 1.76B |
|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2011/01/28/touch-screen-jukebox/ | Touch Screen Jukebox | Caleb Kraft | [
"computer hacks",
"digital audio hacks"
] | [
"jukebox",
"mame"
] | We went “live” with our forums less than 24 hours ago and we already have our first project ready for the front page. [Elementix] has shown us his
touch screen jukebox
build. Using an assortment of car audio speakers and amplifiers hooked up to an old Pentium 4 PC with 120 Gigs of storage, he put together the base cab... | 5 | 5 | [
{
"comment_id": "316840",
"author": "Sigg3",
"timestamp": "2011-01-28T15:31:36",
"content": "frist postr!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "316841",
"author": "Sigg3",
"timestamp": "2011-01-28T15:34:55",
"content": "Oooh. I have an 8″ ... | 1,760,377,293.818155 | ||
https://hackaday.com/2011/01/27/555-based-balancing-bot/ | 555 Based Balancing Bot | Caleb Kraft | [
"Robots Hacks"
] | [
"555",
"balancing",
"segway"
] | This post on Reddit by [superangryguy] caught our attention today. He’s put together a
video explaining the basics of how to build balancing robots
, focusing on a 555 timer based one. He’s got two main versions, the 555 based one and another that is based off of two transistors. He says the 555 based one is much easie... | 25 | 25 | [
{
"comment_id": "316113",
"author": "SomeEvent",
"timestamp": "2011-01-28T00:10:25",
"content": "I think you may have just upset a lot of builders who struggle to do this with a $100+ worth of micro and sensors.Brilliant.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comme... | 1,760,377,294.234532 | ||
https://hackaday.com/2011/01/27/2600-magazine-runs-a-sale-for-the-20th-century-back-issues/ | 2600 Magazine Runs A Sale For The 20th Century Back Issues | Caleb Kraft | [
"News"
] | [
"2600",
"hope"
] | In an effort to clear out some warehouse space,
2600 magazine has dropped the price for issues from 1984 to 2000
down to $2.50 each. If you haven’t read 2600, the Hacker Quarterly, shame on you. Pick some up and get reading. They are a resource beyond any other magazine out there for hacking and security related issues... | 19 | 19 | [
{
"comment_id": "316034",
"author": "Kuy",
"timestamp": "2011-01-27T22:52:51",
"content": "I didn’t realize it was necessary to pixelate baby faces, because they change so much before adulthood (or even later in childhood.)Or is it just a classic 2600-induced 8-bit retro face?",
"parent_id": nul... | 1,760,377,293.778608 | ||
https://hackaday.com/2011/01/27/xbee-controlled-granite-wrapped-clock-travels-into-future/ | Xbee Controlled, Granite-wrapped Clock Travels Into Future | Mike Szczys | [
"clock hacks"
] | [
"7 segment",
"arduino",
"ds1307",
"rtc",
"saa1064"
] | From the looks of it this clock is a couple of months ahead of its time. [Oscar]
built the clock
(
translated
) taking time to add a lot of goodies into the mix. First up, the parts you see include six large 7-segment displays for hours, minutes, and seconds as well as an LED marquee which can scroll messages. Inside t... | 59 | 50 | [
{
"comment_id": "315951",
"author": "Chris Williams",
"timestamp": "2011-01-27T21:34:38",
"content": "You know, not every country writes their dates MM/DD/YY…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "315952",
"author": "macegr",
"timestamp": "201... | 1,760,377,294.17498 | ||
https://hackaday.com/2011/01/27/58-ball-bearing-playground/ | 5/8″ Ball Bearing Playground | Mike Szczys | [
"Toy Hacks"
] | [
"ball bearing",
"gear",
"kinetic sculpture",
"marble",
"wood"
] | This kinetic sculpture
is a ball bearing’s paradise. Not only do they get a cushy ride around two lift wheels but there’s a variety of enjoyable obstacles they can go down. The first is a vortex made from a wooden flower pot which sends the balls randomly down one of two possible exits. From there it’s on to enjoy a ri... | 12 | 12 | [
{
"comment_id": "315924",
"author": "Tom",
"timestamp": "2011-01-27T20:58:51",
"content": "Lol It’s not actually a flower pot, it just looks like one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "315925",
"author": "Setatx",
"timestamp": "2011-01-27T... | 1,760,377,293.978989 | ||
https://hackaday.com/2011/01/27/mitch-altman-hosts-a-tour-of-noisebridge/ | Mitch Altman Hosts A Tour Of Noisebridge | Mike Szczys | [
"Hackerspaces"
] | [
"chaos communications camp",
"Mitch Altman",
"noisebridge"
] | [Mitch Altman] just popped up once again (seriously, this guy is everywhere!) in
a video tour of Noisebridge
, and hackerspace he co-founded in San Fransisco. The space is 5200 square feet and they’ve managed to cram a lot of different uses into it. There’s areas for computers and electronics, crafting and sewing, a d... | 17 | 17 | [
{
"comment_id": "315894",
"author": "macona",
"timestamp": "2011-01-27T19:47:54",
"content": "I still want to know how these places get their money to stay open. Donations are nice but I would hate to be the one one the lease wondering who is going to make the payments for utilities and the building... | 1,760,377,293.930022 | ||
https://hackaday.com/2011/01/27/conways-wall-of-life-and-whiteboard-emporium/ | Conways’ Wall Of Life And Whiteboard Emporium | Mike Szczys | [
"LED Hacks"
] | [
"conways game of life",
"led marquee",
"max6979",
"parallax",
"sw28",
"whiteboard"
] | White board beats chalk board, LED marquee beats white board, and an LED white board trumps them all.
This hybrid
lets you draw on the surface with dry erase markers while Conway’s game of life plays out underneath. [Bert] sent us this tip after seeing
yesterday’s office marquee
. This version is quite similar in appea... | 6 | 6 | [
{
"comment_id": "315898",
"author": "Charon",
"timestamp": "2011-01-27T19:49:24",
"content": "This board is up atUATif anyone is interested. The parallax is also open (underneath the dry erase markers in the picture).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_i... | 1,760,377,293.72092 | ||
https://hackaday.com/2011/01/27/exploding-an-avr/ | Exploding An AVR | Chris Nelson | [
"Microcontrollers"
] | [
"ATmega88",
"magic smoke",
"silicon"
] | Unfortunately [manekinen] wrecked a couple of AVRs during his tinkering. Not letting this get him down he decided to blow them up to see what would happen. In exchange for their precious magic smoke the AVRs revealed a good portion of their
silicon die
.
While the details are a little sparse it seems like he hooked the... | 23 | 23 | [
{
"comment_id": "315834",
"author": "SquantMuts",
"timestamp": "2011-01-27T17:36:14",
"content": "Rest in pieces…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "315844",
"author": "Grovenstien",
"timestamp": "2011-01-27T17:56:16",
"content": "Inter... | 1,760,377,293.879664 | ||
https://hackaday.com/2011/01/27/official-hackaday-forums/ | Official Hackaday Forums | Caleb Kraft | [
"News"
] | [
"community",
"forum"
] | Yes, finally, we
have a forum
. We get regular requests, both in the comments and in our email for a hackaday forum. We put it in operation a few days ago and started letting people trickle in and it hasn’t completely blown up in our faces. Please join us there and help build our community. Also, notice there is a but... | 27 | 25 | [
{
"comment_id": "315776",
"author": "Phil",
"timestamp": "2011-01-27T16:07:27",
"content": "Super :). Thanks for the Forum. Waited long for it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "315777",
"author": "java",
"timestamp": "2011-01-27T16:08:40"... | 1,760,377,294.09058 | ||
https://hackaday.com/2011/01/27/plug-and-prey-malicious-usb-devices/ | Plug And Prey: Malicious USB Devices | Caleb Kraft | [
"Android Hacks",
"Security Hacks"
] | [
"hid",
"keylogger",
"usb"
] | This very informative talk given at Shmoocon 2011 has been posted over at IronGeek. Covering all kinds of angles that a person could
attack someones computer through the USB port
, this should be read by anyone who is security minded at all. No matter which side of the port you tend to be on, this article has great inf... | 21 | 21 | [
{
"comment_id": "315764",
"author": "operative",
"timestamp": "2011-01-27T15:43:24",
"content": "Wasn’t this at Shmoocon 2010? Also, relies on mostly the same technics as it uses the teensy boards and emulates keyboards (or other HID for that matter)",
"parent_id": null,
"depth": 1,
"rep... | 1,760,377,294.02891 | ||
https://hackaday.com/2011/01/27/the-pirate-box/ | The Pirate Box | Caleb Kraft | [
"Security Hacks",
"Wireless Hacks"
] | [
"piracy"
] | One of the most fun aspects of a LAN party was exploring the shared files of all the other users on the network. There were people that would show up, solely for the file swapping. That is exactly what this project is about. From the projects wiki, the
Pirate box
is a mobile p2p sharing and collaboration platform. Basi... | 21 | 21 | [
{
"comment_id": "315717",
"author": "mccand",
"timestamp": "2011-01-27T14:04:29",
"content": "All I can think about after this article is a scene from the movie “Hook”:Captain Hook: Yes, you made a boo-boo.Pirate: I did. I did!Captain Hook: The Boo Box.Pirate: Not the Boo Box! NOO!!My apologies to a... | 1,760,377,294.388757 | ||
https://hackaday.com/2011/01/26/disguise-your-acura-nsx-as-a-ferrari-f50/ | Disguise Your Acura NSX As A Ferrari F50 | Caleb Kraft | [
"Transportation Hacks"
] | [
"acura",
"f50",
"ferrari",
"nsx"
] | We know what you’re thinking. “I have this Acura NSX, but my friends just won’t think I’m cool unless I have a Ferrari F50.” You know what? You’re right. To save yourself from that kind of ridicule, you can simply carry out a
ridiculous body mod to make your poor NSX live up to your friends expectations
. It only took ... | 61 | 50 | [
{
"comment_id": "315179",
"author": "Hoopstar",
"timestamp": "2011-01-26T23:08:15",
"content": "The NSX’s body is all aluminum, so I doubt removing any of the panels would result in much (if any) weight loss..End of the day, this ‘hack’ is all about looks and nothing about performance which is a mas... | 1,760,377,294.737027 | ||
https://hackaday.com/2011/01/26/make-presents-the-multimeter/ | Make Presents: The Multimeter | Caleb Kraft | [
"Tool Hacks"
] | [
"multimeter",
"tutorial"
] | This video falls under the category of things we want to send people when they ask “how do I get started with electronics”, and we get asked that
a lot
. For those of you who have been working with electronics
for years
at all
, you can skip this entire video. That is, unless you really want to watch an instructional v... | 17 | 17 | [
{
"comment_id": "315198",
"author": "Mike",
"timestamp": "2011-01-26T23:36:01",
"content": "Just need to watch the EEV blog. Dave reviews a slew of them inPart 1, andPart 2.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "315204",
"author": "Hackius",
"... | 1,760,377,295.106117 | ||
https://hackaday.com/2011/01/26/learn-to-code-at-lifehacker/ | Learn To Code At Lifehacker | Caleb Kraft | [
"Software Development"
] | [
"javascript",
"tutorial"
] | [Adam] over at lifehacker is putting together a series on the principles of programming called
“Learn to code”
. They are using Javascript as a basis to teach the fundamentals that would allow you to get stuff done in any similar language, like actionscript. After you’ve got these basics down, even moving to an object ... | 26 | 24 | [
{
"comment_id": "315133",
"author": "Orkie",
"timestamp": "2011-01-26T22:06:09",
"content": "JavaScript is object oriented?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "315140",
"author": "Caleb Kraft",
"timestamp": "2011-01-26T22:20:56",
... | 1,760,377,294.99619 | ||
https://hackaday.com/2011/01/26/stepper-directed-hdtv-antenna/ | Stepper Directed HDTV Antenna | James Munns | [
"Radio Hacks"
] | [
"antenna",
"broadcast",
"floppy",
"hd",
"hdtv",
"OTA",
"stepper"
] | Broadcast TV has come a long way from adjusting the rabbit ears on top of the set just to get a fuzzy black and white picture. While nowadays there are often HD signals broadcast in most areas, it can often still be critical to redirect an antenna to get the best possible signal. By harvesting a stepper motor from an o... | 22 | 22 | [
{
"comment_id": "315096",
"author": "M",
"timestamp": "2011-01-26T21:16:19",
"content": "I have one of those “smart antennas” that uses the CEA-909 standard, but it was a piece of garbage. It would be nice to have finer granularity than 16 possible orientations.",
"parent_id": null,
"depth"... | 1,760,377,294.929694 | ||
https://hackaday.com/2011/01/26/making-the-im-me-dongle-more-useful/ | Making The IM-ME Dongle More Useful | Mike Szczys | [
"Microcontrollers",
"Radio Hacks"
] | [
"im-me",
"pinkos",
"sil"
] | So you’ve hacked your IM-ME six ways from Sunday but don’t know what to do with the USB dongle? [Joby Taffey] set out to
make this leftover a useful part of the hacking arsenal
. He pulled off the USB connector and the USB controller chip. From there he glued on the pin headers as pictured above in order to turn this i... | 15 | 15 | [
{
"comment_id": "315054",
"author": "GCL",
"timestamp": "2011-01-26T20:15:20",
"content": "And currently Joby’s site linked there isn’t at home. It gives me an error message regarding the database. It might be overloaded with requests at the moment.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,377,294.786368 | ||
https://hackaday.com/2011/01/26/robot-hand-has-no-problem-giving-you-the-finger/ | Robot Hand Has No Problem Giving You The Finger | Mike Szczys | [
"Robots Hacks"
] | [
"arm",
"doom",
"hand",
"skynet",
"tendon"
] | Get your Terminator clichés ready,
this robot hand
reeks of Skynet. It is designed to function like the human hand, but the main goal is one of robustness. A lot of effort went into making sure this won’t break in the field. Instead of rigid gears, a system of tendons actuates each digit. The pulleys that control these... | 25 | 25 | [
{
"comment_id": "315018",
"author": "Osgeld",
"timestamp": "2011-01-26T19:17:01",
"content": "classy",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "315025",
"author": "kobilica",
"timestamp": "2011-01-26T19:32:18",
"content": "i expected crushing s... | 1,760,377,295.05649 | ||
https://hackaday.com/2011/01/26/edison-clock-uses-ammeter-plus-bulbs-to-set-alarm/ | Edison Clock Uses Ammeter Plus Bulbs To Set Alarm | Mike Szczys | [
"clock hacks"
] | [
"alarm",
"edison",
"light bulb",
"meter"
] | This is the Edison clock
, designed by [David Krawczyk]. It shows time in the same way as the multimeter clock, regulating power to two analog needle meters. The feature that makes this one a bit different is the alarm. You can see the series of holes on the front of the base. These have a small light bulb socked in ea... | 8 | 8 | [
{
"comment_id": "315002",
"author": "Joe",
"timestamp": "2011-01-26T18:22:43",
"content": "Nice work. Now if only the bulbs were completely sealed, that would be bada$$.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "315015",
"author": "Buddy",
"timest... | 1,760,377,294.652666 | ||
https://hackaday.com/2011/01/26/reverse-engineering-radio-controlled-outlets/ | Reverse Engineering Radio Controlled Outlets | Mike Szczys | [
"home hacks"
] | [
"atmega8",
"home automation",
"outlet",
"remote control",
"RF"
] | [Chr] picked up a pack of
remote control outlets in order to reverse engineer them
and build control into his own projects. These can be plugged into outlets around your house and a relay inside each module will switch whatever device is plugged into it after receiving a command from the remote. Once he cracked open th... | 31 | 30 | [
{
"comment_id": "314950",
"author": "Louie",
"timestamp": "2011-01-26T17:09:58",
"content": "There’s a company that reverses these for their 3rd party usb-controller, and they release their code. check outhttp://www.telldus.se/(I’m just a user, not affiliated with the company in any way)",
"pare... | 1,760,377,295.22988 | ||
https://hackaday.com/2011/01/26/12-led-display-keeps-your-office-informed/ | 12 Foot LED Display Keeps Your Office Informed | Mike Szczys | [
"LED Hacks"
] | [
"595",
"darlington array",
"marquee",
"shift register",
"uln2803a"
] | Don’t reach for a sticky note when you need to leave a message for your office mates, write it down on
a 12 foot LED marquee
. [Kitesurfer1404] built this for his home office, but we’re sure he’ll find fun stuff to use it for. The display has 512 LEDs driven by plain old 595 shift registers for the high-side columns, w... | 20 | 19 | [
{
"comment_id": "314923",
"author": "Jamie",
"timestamp": "2011-01-26T16:08:49",
"content": "Bad Ass!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "314925",
"author": "Satiagraha",
"timestamp": "2011-01-26T16:10:42",
"content": "foot",
"parent... | 1,760,377,295.163741 | ||
https://hackaday.com/2011/01/26/ros-gains-full-body-telemetry/ | ROS Gains Full Body Telemetry | Caleb Kraft | [
"Kinect hacks",
"Robots Hacks"
] | [
"biped",
"Kinect",
"NAO"
] | [Taylor Veldrop] has been playing with an
NAO robot and ROS, mixed with a Kinect
to get some pretty amazing results. The last time we saw any work done with ROS and the Kinect, it was allowing some
basic telemetry using the PR2
. [Tyler] has taken this a step further allowing for full body control of the
NAO
robot. Bas... | 28 | 28 | [
{
"comment_id": "314888",
"author": "jimbob",
"timestamp": "2011-01-26T14:27:02",
"content": "I, for one, welcome our new robot overlords.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "314891",
"author": "fartface",
"timestamp": "2011-01-26T14:33:11",... | 1,760,377,295.29422 | ||
https://hackaday.com/2011/01/25/abusing-http-status-codes/ | Abusing HTTP Status Codes | Caleb Kraft | [
"Security Hacks",
"Software Hacks"
] | [
"html",
"web"
] | Concerns over privacy online are an ever growing theme. Every day we see people complaining about the policies of facebook and the like. [Mike Cardwell] points out
another method of gleaning a bit of personal data
from you that you may not have seen yet. By embedding a hidden image or using some really simple javascrip... | 25 | 23 | [
{
"comment_id": "314451",
"author": "Jordan",
"timestamp": "2011-01-26T00:07:03",
"content": "You know, I just had this idea earlier today. That’s awesome.What isn’t awesome is that the link is dead. :(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "314470",
... | 1,760,377,295.358481 | ||
https://hackaday.com/2011/01/25/wireless-sniffing-and-jamming-of-chronos-and-iclicker/ | Wireless Sniffing And Jamming Of Chronos And Iclicker | Joseph Thibodeau | [
"Radio Hacks",
"Security Hacks",
"Wireless Hacks"
] | [
"c1110",
"chronos",
"goodfet.cc",
"i>clicker",
"im-me",
"radio",
"security",
"signal jamming",
"sniffing",
"wireless"
] | The ubiquitous presence of wireless devices combined with easy access to powerful RF development platforms makes the everyday world around us a wireless hacker’s playground. Yesterday [Travis Goodspeed]
posted an article
showing how goodfet.cc can be used to sniff wireless traffic and also to jam a given frequency. We’... | 1 | 1 | [
{
"comment_id": "314373",
"author": "Ferdinand",
"timestamp": "2011-01-25T23:06:47",
"content": "The chronos watch itself contains an CC430 based on an MSP430 processor. The CC1110 is a different chip and it’s based on 8051 architecture (as is the CC1111 on the chrono’s usb connected wireless access... | 1,760,377,295.396526 | ||
https://hackaday.com/2011/01/25/inaccurate-breathalyzer-is-still-quite-nice/ | Inaccurate Breathalyzer Is Still Quite Nice | Mike Szczys | [
"Arduino Hacks"
] | [
"alcohol sensor",
"breathalyzer",
"mq-3"
] | Sure, [Hunter Scott’s]
Breathalyzer can only differentiate between hammer and sober
, but look how nice it came out. He’s using an MQ-3 alcohol sensor which,
from previous projects
, we know is very difficult to accurately calibrate. But if you want to monkey around with embedded systems you’ve got to have a goal. [Hun... | 14 | 14 | [
{
"comment_id": "314291",
"author": "Koolguy007",
"timestamp": "2011-01-25T22:11:39",
"content": "Stop.. hammer time.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "314292",
"author": "MrX",
"timestamp": "2011-01-25T22:13:54",
"content": "Halt! Is ... | 1,760,377,295.447891 | ||
https://hackaday.com/2011/01/25/monocrome-to-magnificent-computer-display-chronology/ | Monocrome To Magnificent: Computer Display Chronology | Mike Szczys | [
"Video Hacks"
] | [
"cga",
"crt",
"display",
"evoluntion",
"history",
"not a hack",
"vga"
] | Remember when CGA came out and made monocrome monitors look horrible? Well CGA is crap, VGA is where it’s at. Wait… weren’t there a couple of standards in between those two? Take a walk down memory lane and
relive the evolution of computer display technology
. You’ll start with displays that are more or less CRT oscill... | 45 | 43 | [
{
"comment_id": "314246",
"author": "bogdan",
"timestamp": "2011-01-25T21:34:29",
"content": "Really nice history lesson. Didn’t know they had a pen type input device as early as 60s.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "314272",
"author": "Rob W... | 1,760,377,296.064552 | ||
https://hackaday.com/2011/01/25/jamming-gripper-completes-robot-drug-dealer/ | Jamming Gripper Completes Robot Drug Dealer | Mike Szczys | [
"Robots Hacks"
] | [
"coffee grounds",
"gripper",
"handi-vac",
"jamming",
"reynolds",
"robot"
] | Here’s an inexpensive way to
build your own jamming gripper
. [Steve Norris] combined a robot arm with a few inexpensive items to achieve similar results as
the original
. Much like
the last DIY version
he started with a balloon and some coffee grounds, but instead of using his own body as a vacuum pump he sourced a
Re... | 10 | 9 | [
{
"comment_id": "314203",
"author": "Philip",
"timestamp": "2011-01-25T20:19:58",
"content": "Nice setup, but would be a LOT quicker gripping with rigid tubing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "314205",
"author": "Luke",
"timestamp": "201... | 1,760,377,295.675565 | ||
https://hackaday.com/2011/01/25/sparkfun-free-day-recap/ | Sparkfun Free Day Recap | Chris Nelson | [
"News"
] | [
"free",
"sparkfun"
] | It looks like the dust has finally settled with
sparkfun’s free day
. They managed to give away $150,541 to users and $22,988 to charity. The general idea is you could ether take $10/year you’ve been a sparkfun customer, or take a 10 question quiz and earn $10/correct answer plus some money for charity. It looks like ... | 38 | 37 | [
{
"comment_id": "314151",
"author": "ZeUs",
"timestamp": "2011-01-25T19:01:59",
"content": "Not a hack.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "314153",
"author": "ZeUs",
"timestamp": "2011-01-25T19:03:07",
"content": "I didn’t mind though. ... | 1,760,377,295.824675 | ||
https://hackaday.com/2011/01/25/radios-without-power-sources/ | Radios Without Power Sources | Mike Szczys | [
"Radio Hacks"
] | [
"am",
"piezo",
"radio",
"receiver"
] | [Goodhart] is sharing his process for
building a couple different AM radios
. It’s surprising how few components he’s using; the first build is just a germanium diode, some wire, and a piezo earpiece. But it strikes us that both of the radios he gives build instructions for have no power source. We’re also amused by th... | 37 | 37 | [
{
"comment_id": "314123",
"author": "Andrew",
"timestamp": "2011-01-25T18:06:54",
"content": "I heard that if you take an old AM radio and go right next to the station, you can hear it without turning the volume on. But now with on/off and digital what-not, it’s not possible.",
"parent_id": nul... | 1,760,377,295.752443 | ||
https://hackaday.com/2011/01/25/jeep-uter-adds-push-button-control-to-your-vehicle/ | Jeep-uter Adds Push Button Control To Your Vehicle | Mike Szczys | [
"Transportation Hacks"
] | [
"arduino",
"code",
"computer",
"dash",
"ignition",
"Jeep",
"wrangler"
] | [Ed Zarick] built
a module to control his vehicle
which he calls the Jeeputer. The name’s a mash-up of Jeep and Computer; the device itself is a combination of Arduino, character LCD, and a collection of shift registers and relays for interfacing. Watch the video after the break to see what this can do. We were surpris... | 24 | 23 | [
{
"comment_id": "314101",
"author": "Justme",
"timestamp": "2011-01-25T17:18:22",
"content": "I am surprised that he is using mechanical relays in a 4 wheel drive vehicle. The jarring could cause the relays to fail. SS relays would be a better choice and last longer.Also it would be easy to jump sta... | 1,760,377,296.17509 | ||
https://hackaday.com/2011/01/25/vr-now-with-more-kinect-wiimote-and-vuzix/ | VR! Now With More Kinect, Wiimote, And Vuzix | Caleb Kraft | [
"Kinect hacks",
"Nintendo Wii Hacks",
"Xbox Hacks"
] | [
"Kinect",
"virtual reality",
"vr",
"wiimote"
] | Those of us that remember when you could actually go to a mall and play on a VR game machine, tend to remember it fondly. What happened? The computing horsepower has grown so much, our graphics now days are simply stunning, yet there’s been no major VR revival. Yeah, those helmets were huge and gave you a headache, but... | 24 | 24 | [
{
"comment_id": "314062",
"author": "Moshi",
"timestamp": "2011-01-25T16:11:52",
"content": "Miku invades Hackaday at last.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "314063",
"author": "walt",
"timestamp": "2011-01-25T16:11:52",
"content": "VR... | 1,760,377,295.880805 | ||
https://hackaday.com/2011/01/25/refurbishing-a-refrigerator-for-fermenting/ | Refurbishing A Refrigerator For Fermenting | Caleb Kraft | [
"cooking hacks",
"home hacks"
] | [
"beer",
"bread",
"cooking",
"ferment",
"temperature"
] | [Mikey Sklar] wrote in to show us how he
refurbished a neighbors useless refrigerator as a fermentation chamber
. [Mikey] is a fan of making breads, kemchi, yogurt, and tempeh. To make these, it helps to have a completely controlled temperature for them to ferment in. [Mikey] developed a
temp controller
for this in the... | 12 | 12 | [
{
"comment_id": "314032",
"author": "Tom Hargrave",
"timestamp": "2011-01-25T15:04:17",
"content": "You can find instructions for converting several types of refridgerators and freezers on this site.http://www.kegkits.com",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comme... | 1,760,377,296.11548 | ||
https://hackaday.com/2011/01/25/555-design-contest-win-1500-in-prizes/ | 555 Design Contest, Win $1500+ In Prizes! | James Munns | [
"contests"
] | [
"555",
"contest",
"Ellsworth",
"Jeri",
"prize"
] | Sure, microcontrollers are useful, easy to apply, and ubiquitous, but where is the fun in the easy route? Well, for those of you out there with a little imagination and a 555 timer sitting around, there could be
rewards in store
. Brought to you by such famous personalities as
Jeri Ellsworth
and
Chris Gammell
, the 555... | 35 | 35 | [
{
"comment_id": "314010",
"author": "Dino",
"timestamp": "2011-01-25T13:15:37",
"content": "I love the timing on this… pun intended. I just built a 555 based project! :) Looking forward to seeing what other projects get entered.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,377,296.244548 | ||
https://hackaday.com/2011/01/24/avr-the-facts-about-flash-memory/ | AVR: The Facts About Flash Memory | Mike Szczys | [
"Microcontrollers"
] | [
"atmega328",
"AVR",
"flash memory"
] | Here’s a nice little
discussion about reading and writing AVR flash memory
that [Windel] put together. He’s using an In System Programmer to read the flash memory from an ATmega328 using AVRdude, the programming software which we used in
our AVR Programming Tutorials
. He covers the particulars of the commands, how thi... | 13 | 13 | [
{
"comment_id": "313644",
"author": "noah vawter",
"timestamp": "2011-01-25T02:03:29",
"content": "Hey speaking of AVR flash… does anyone have experience writing to the flash of e.g. atemga32 from application memory? apparently, you have to make a function to write, save it in the bootloader porti... | 1,760,377,296.311138 | ||
https://hackaday.com/2011/01/24/building-a-creepy-doll-army/ | Building A Creepy Doll Army | Mike Szczys | [
"Toy Hacks"
] | [
"animatronic",
"arduino",
"chucky",
"doll",
"servo"
] | Want your very own Chucky doll to scare the crap out of the roommates? [Gzip] shows you how to make this happen by
adding servo-based animatronics to old dolls
. In the video after the break you can see the doll throw up her arms and turn her head thanks to a motor in each shoulder and one in her melon. You won’t see i... | 7 | 7 | [
{
"comment_id": "313584",
"author": "Crunch",
"timestamp": "2011-01-25T00:25:04",
"content": "Holy furk … I hate dolls",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "313585",
"author": "bluewraith",
"timestamp": "2011-01-25T00:29:44",
"content": "A... | 1,760,377,296.353266 | ||
https://hackaday.com/2011/01/24/keyless-entry-via-sms/ | Keyless Entry Via SMS | Mike Szczys | [
"home hacks"
] | [
"lock",
"parallax",
"sms",
"spinneret",
"text message",
"twilio"
] | [Billy’s] work got new keys which he didn’t want to carry around with him. Instead he built this system to
unlock the door via text message
. It is based around a
Spinneret Web Server
which drives a servo motor. He’s rigged up a pipe hanger to add some leverage to the lock’s knob. We’re surprised that the servo has eno... | 15 | 15 | [
{
"comment_id": "313545",
"author": "Aaron",
"timestamp": "2011-01-24T23:23:17",
"content": "Hey, awesome! And if you use an MVNO as shitty as mine, you can text the door and stand around half an hour waiting for it to unlock!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"... | 1,760,377,296.409948 | ||
https://hackaday.com/2011/01/24/amarino-makes-android-controlled-robots-a-snap/ | Amarino Makes Android Controlled Robots A Snap | Mike Szczys | [
"Android Hacks"
] | [
"accelerometer",
"amarino",
"android",
"arduino",
"bluesmirf",
"bluetooth"
] | [Lucas Fragomeni] is
controlling this robot using the accelerometer on his Android phone
(
translated
). He could have gone through
our Android tutorials
and developed a custom application but he took the shorter route and used
Amarino, an ‘Android meets Arduino’ toolkit
, to do it for him. [Lucas] combined an Arduino,... | 5 | 5 | [
{
"comment_id": "313510",
"author": "Hackius",
"timestamp": "2011-01-24T22:08:38",
"content": "That is some fancy expensive flooring",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "313702",
"author": "colecago",
"timestamp": "2011-01-25T03:39:11",
"... | 1,760,377,296.449882 | ||
https://hackaday.com/2011/01/24/yet-another-cat-door/ | Yet Another Cat Door | James Munns | [
"Arduino Hacks"
] | [
"arduino",
"cat",
"flap",
"rfid"
] | RFID cat flaps are one of those projects we see all of the time. They are generally pretty simple to rig up, not too expensive, and have a good “wow” factor for any non-technical friends or family, not to mention tremendously useful. Why did we decide to share
this one
? Well, for one, it is simple. It doesn’t tweet, e... | 11 | 11 | [
{
"comment_id": "313482",
"author": "Bill Porter",
"timestamp": "2011-01-24T21:05:46",
"content": "Blissified.http://daid.mine.nu/instructabliss/?url=http://www.instructables.com/id/RFID-cat-door/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "313512",
"au... | 1,760,377,296.678649 | ||
https://hackaday.com/2011/01/24/google-takes-science-fairs-global/ | Google Takes Science Fairs Global | Mike Szczys | [
"contests"
] | [
"google",
"prize",
"science fair"
] | Teen hackers get ready to compete for cash and prizes. Google,
the big G itself, is sponsoring a Science Fair
but it’s not in a town near you, it’s online (no surprise there). Project entries will populate the content of a new corner of the Googleverse, with contestants 13-18 competing alone or as a team. The grand pri... | 7 | 7 | [
{
"comment_id": "313463",
"author": "vonskippy",
"timestamp": "2011-01-24T20:03:43",
"content": "In other news from a few weeks ago…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "313479",
"author": "Amos",
"timestamp": "2011-01-24T20:52:31",
"cont... | 1,760,377,296.721376 | ||
https://hackaday.com/2011/01/24/roll-the-dicey/ | Roll The D’Icey | James Munns | [
"Toy Hacks"
] | [
"atmega",
"Atmel",
"dice",
"die",
"lock",
"prize",
"secret"
] | Most of the dice related hacks we run into have to do with pseudo random number generation, but today we saw something different. This sleek looking
jumbo die
is actually a prize holding box opened by a secret sequence of rotations. Using an accelerometer and an ATmega 328 with a sub-micro servo to control the locking ... | 11 | 11 | [
{
"comment_id": "313452",
"author": "Faelenor",
"timestamp": "2011-01-24T19:40:06",
"content": "psuedo?Incredible, every single post on HaD has at least a typo!Cool project, but does it give a hint to help you get the prize? Or it’s more like a safe?",
"parent_id": null,
"depth": 1,
"re... | 1,760,377,296.630253 | ||
https://hackaday.com/2011/01/24/diy-ultrasonic-range-finder-for-5/ | DIY Ultrasonic Range Finder For $5 | Chris Nelson | [
"Arduino Hacks"
] | [
"arduino",
"atmega328",
"diy",
"ultrasonic"
] | After finding some ultrasonic transducers online for a dollar each [Kerry Wong] decided to create an
ultrasonic range finder
. The result is much like parallax’s PING))) sensor but much cheaper. His post is not only a good way to save some money, but also does a good job of explaining how ultrasonic sensors work. The ... | 25 | 25 | [
{
"comment_id": "313354",
"author": "tristan",
"timestamp": "2011-01-24T16:57:56",
"content": "source link seems dead, did we do that?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "313357",
"author": "bluewraith",
"timestamp": "2011-01-24T17:06:02",
... | 1,760,377,297.246713 | ||
https://hackaday.com/2011/01/24/hackaday-links-january-23-2011/ | Hackaday Links: January 24, 2011 | James Munns | [
"Hackaday links"
] | [
"burning",
"grass",
"hosting",
"instructables",
"project"
] | New Project Hosting site
[Paul] wrote in to tell us about his brand new hack hosting service,
HackHut
. Based on WordPress with some modifications, it is definitely worth keeping an eye on as new features emerge.
Instructabliss
Speaking of project hosting,
Instructables
are a common source of projects as well as compla... | 34 | 33 | [
{
"comment_id": "313315",
"author": "Fallen",
"timestamp": "2011-01-24T15:52:51",
"content": "I would imagine that the HAD and whatever other communities that use instructabliss are so small compared to instructables user base, that this will have very little adverse effect.",
"parent_id": null,... | 1,760,377,297.015205 | ||
https://hackaday.com/2011/01/23/your-very-own-cloud-chamber/ | Your Very Own Cloud Chamber | Mike Szczys | [
"chemistry hacks"
] | [
"alcohol",
"cloud chamber",
"dry ice"
] | [Kenneth] and [Jeff] spent a weekend
building a cloud chamber
. This is
a detection device
for radiation particles that are constantly bombarding the earth. It works by creating an environment of supersaturated alcohol vapor which condenses when struck by a particle travelling through the container, leaving a wispy tra... | 28 | 27 | [
{
"comment_id": "312716",
"author": "bluewraith",
"timestamp": "2011-01-23T20:29:47",
"content": "Interesting. There’s only a couple of particles you can see in the video, but it would certainly be something to try on a boring weekend.",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,377,297.430961 | ||
https://hackaday.com/2011/01/23/backwards-mario/ | Backwards Mario | Mike Szczys | [
"Nintendo Hacks",
"Video Hacks"
] | [
"crt",
"mario",
"nes"
] | So you’ve long since mastered Super Mario Bros. and it no longer challenges you? Have you tried
playing it from right to left
? That’s what Backwards Mario is all about. The first portion of the hack is getting the image to display backwards. He’s working with an old CRT television, which uses a magnetic ring to aim th... | 34 | 32 | [
{
"comment_id": "312630",
"author": "sli",
"timestamp": "2011-01-23T18:25:52",
"content": "I’d love to see the levels themselves reversed, with the start and ends swapped.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "312632",
"author": "Tom",
"timest... | 1,760,377,297.092771 | ||
https://hackaday.com/2011/01/23/revive-your-tired-dremel-battery-pack/ | Revive Your Tired Dremel Battery Pack | Mike Szczys | [
"Repair Hacks"
] | [
"aa",
"cordless",
"dremel",
"nicad",
"nimh",
"rechargeable"
] | It turns out there’s nothing more than six Nickel Cadmium AA rechargeable batteries inside of that cordless Dremel battery pack. Yep, standard rechargeable AA’s that you can buy most anywhere, and now you can
revive that aging battery pack
by following [Stuuf’s] guide. Since you’re already at it, a few more bucks will ... | 21 | 20 | [
{
"comment_id": "312572",
"author": "Adam Outler",
"timestamp": "2011-01-23T16:56:06",
"content": "When changing the type of batteries which are in the drill, you must take into consideration the characteristics of the charger.. It’s a better idea for most to use the exact type of battery which ca... | 1,760,377,296.943445 | ||
https://hackaday.com/2011/01/22/turning-music-into-a-light-show/ | Turning Music Into A Light Show | Chris Nelson | [
"Arduino Hacks",
"digital audio hacks"
] | [
"arduino",
"audio",
"filter",
"op-amp"
] | [nickinoki] Made a
light show
using some amplifiers and an arduino. First he created a microphone circuit based around a LM386 Audio Amplifier. After amplifying the output of the microphone a second time, he uses three bandpass filters to block all but a few desired frequencies from reaching the arduino. By only letti... | 24 | 24 | [
{
"comment_id": "311948",
"author": "Philip",
"timestamp": "2011-01-22T20:33:14",
"content": "http://daid.mine.nu/instructabliss/?url=http://www.instructables.com/id/Sound-into-Light-shows/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "311964",
"author": ... | 1,760,377,297.306446 | ||
https://hackaday.com/2011/01/22/reverse-engineering-a-pcb/ | Reverse Engineering A PCB | James Munns | [
"Repair Hacks"
] | [
"bend",
"circuit",
"engineer",
"repair",
"reverse",
"schematic"
] | Occasionally when a device breaks, the defect is obvious. Whether it is a blown fuse or a defective capacitor, generally the easy to see stuff is easy to fix. When a problem is more subtle, or when doing some more advanced tasks like adding functionality to a device, greater knowledge about a circuit board is required.... | 18 | 15 | [
{
"comment_id": "311920",
"author": "Philip",
"timestamp": "2011-01-22T18:45:56",
"content": "Daidifiedhttp://daid.mine.nu/instructabliss/?url=http://www.instructables.com/id/How-to-reverse-engineer-a-schematic-from-a-circuit/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"... | 1,760,377,297.362383 | ||
https://hackaday.com/2011/01/22/high-voltage-etch-a-sketch/ | High Voltage Etch A Sketch | James Munns | [
"cnc hacks"
] | [
"bad idea",
"cnc",
"danger",
"etch",
"jumbo",
"makerbot",
"sketch"
] | What do you get when you mix a simple X/Y plotter, a Flyback transformer, and an unhealthy disregard for safety? Possibly the worlds most dangerous
jumbo Etch a Sketch
! [Kalboon] started off by making an imprecise X/Y movement device, similar to a CNC machine setup, but with less emphasis on precision. This rig is pow... | 12 | 12 | [
{
"comment_id": "311878",
"author": "Bill Porter",
"timestamp": "2011-01-22T17:01:39",
"content": "All hail the great Daid!http://daid.mine.nu/instructabliss/?url=http://www.instructables.com/id/50000-volt-etch-a-sketch/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"commen... | 1,760,377,297.481198 | ||
https://hackaday.com/2011/01/22/no-more-blurry-pictures/ | No More Blurry Pictures | Mike Szczys | [
"digital cameras hacks"
] | [
"arduino",
"blurry",
"motion blur",
"SLR"
] | Say goodbye to ruined images thanks to this add-on hardware. It measures the movement of the camera when a picture is taken and
corrects the image to get rid of motion blur
. Above you see a high-speed camera which is just there for testing and fine-tuning the algorithm that fixes the photos. Once they got it right, th... | 27 | 27 | [
{
"comment_id": "311847",
"author": "Patrick",
"timestamp": "2011-01-22T15:39:38",
"content": "That’s pretty neat. It’s basically a homebrew image-stabilization. It would be a lot easier and less cumbersome to just buy a lens with IS, though. Still…very impressive.",
"parent_id": null,
"dept... | 1,760,377,297.668613 | ||
https://hackaday.com/2011/01/21/fertilizing-a-planted-aquarium-using-air-freshener-hardware/ | Fertilizing A Planted Aquarium Using Air Freshener Hardware | Mike Szczys | [
"green hacks",
"home hacks"
] | [
"air freshener",
"aquarium",
"fertilizer",
"plants",
"pump"
] | Keeping live plants in an aquarium happy can be quite a chore. One of the frequent rituals is adding fertilizer, which is called dosing. [Majstor76] came up with a creative way to
automatically dose using an air freshener
. He got rid of the canister that holds the scent and re-purposed a hand soap pump to move the nut... | 34 | 32 | [
{
"comment_id": "311375",
"author": "JC",
"timestamp": "2011-01-21T22:24:16",
"content": "Cool idea. Maybe something like that could be used to actually water plants…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "311379",
"author": "Colecago",
"times... | 1,760,377,297.550263 | ||
https://hackaday.com/2011/01/21/magnetic-digital-scale/ | Magnetic Digital Scale | Mike Szczys | [
"Tool Hacks"
] | [
"ATmega168",
"hall effect",
"magnet",
"scale",
"solenoid"
] | Above you see
a solenoid being used as a digital scale
. The magnetic field from the coil in the base levitates the platform above, where a load to be measured is place. This floating platform has a permanent magnet in it, hovering above a hall effect sensor in the base. As the distance between that magnet and the sens... | 20 | 20 | [
{
"comment_id": "311244",
"author": "zool",
"timestamp": "2011-01-21T19:34:17",
"content": "nice",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "311280",
"author": "mlseim",
"timestamp": "2011-01-21T20:07:46",
"content": "Accuracy affected by temper... | 1,760,377,297.608755 | ||
https://hackaday.com/2011/01/21/our-beloved-xbmc-hits-ios-devices/ | Our Beloved XBMC Hits IOS Devices | Mike Szczys | [
"home entertainment hacks",
"iphone hacks"
] | [
"apple tv 2",
"atv2",
"cydia",
"ipad",
"repository",
"xbmc"
] | For those who have been longing to unlock the power of the Apple TV 2 the wait is over.
XBMC is now available for iOS devices
. This isn’t limited to the tiny ARM-based set-top box, but extends to the entire family including iPad and iPhone 4. Included is the ability to play high def video up to 1080p without transcodi... | 21 | 21 | [
{
"comment_id": "311183",
"author": "John",
"timestamp": "2011-01-21T17:59:06",
"content": "My two questions are:1. I know it only supports 720p but can it output a 1080p signal?2. If so, can it handle full-bluray-bitrate m2ts’s?I’m kind of holding out for the next gen that would supposedly have nat... | 1,760,377,299.478169 | ||
https://hackaday.com/2011/01/21/dance-for-a-dollar-with-the-yaytm/ | Dance For A Dollar With The YayTM | James Munns | [
"Misc Hacks"
] | [
"dance",
"facial recognition",
"Never Gonna",
"webcam",
"YayTM"
] | The
YayTM
is a device that records a person dancing and judges whether or not the dancing is “Good”. If the YayTM likes the dance, it will dispense a dollar for the dancers troubles. However, unless the dancer takes the time to read the fine print, they won’t realize that their silly dance is being uploaded to YouTube ... | 22 | 21 | [
{
"comment_id": "311118",
"author": "Lenny",
"timestamp": "2011-01-21T15:57:57",
"content": "I just got Rick Rolled by HackADay… smh",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "311119",
"author": "Magnus",
"timestamp": "2011-01-21T16:03:13",
"co... | 1,760,377,299.74541 | ||
https://hackaday.com/2011/01/21/making-boxes-from-soda-cans/ | Making Boxes From Soda Cans | Mike Szczys | [
"Misc Hacks"
] | [
"aluminum",
"box",
"emboss",
"soda can"
] | This shiny little
box was made from a soda can
. You don’t need much to pull this off; an aluminum can, sand paper, scissors, a ballpoint pen, a straight edge, and some time. The embossing is done with the tip of the pen, but there’s a bit of a trick to it. The designs are first pressed into the metal from the undersid... | 55 | 47 | [
{
"comment_id": "311080",
"author": "strider_mt2k",
"timestamp": "2011-01-21T14:18:58",
"content": "That is so cool and clever I might just have to have a go at it!-after this flu or whatever dies down, that is.mehSent from my Haipad M701-R",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,377,299.875568 | ||
https://hackaday.com/2011/01/20/lego-wah-wah-pedal/ | LEGO Wah-wah Pedal | Mike Szczys | [
"Musical Hacks",
"Toy Hacks"
] | [
"guitar",
"lego",
"pedal",
"trimpot",
"wah-wah"
] | Here’s
a guitar wah-wah pedal
that [Christian Munk] built. Inside you’ll find a circuit board that he etched and populated
based on this design
but he chose to build the housing out of LEGO. The video after the break gives you an idea of what it sounds like, but for those who’ve stepped on a LEGO piece with bare feet, ... | 9 | 9 | [
{
"comment_id": "310421",
"author": "zool",
"timestamp": "2011-01-20T22:14:44",
"content": "kinda cool, better than the amp anyway",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "310466",
"author": "Mikey",
"timestamp": "2011-01-20T22:51:51",
"conte... | 1,760,377,299.792219 | ||
https://hackaday.com/2011/01/20/guitar-tube-amp-from-junk-hi-fi/ | Guitar Tube-amp From Junk Hi-fi | Mike Szczys | [
"Musical Hacks"
] | [
"amplifier",
"guitar",
"vacuum tube"
] | [Tristan Chambers] picked up an old speaker box some friends acquired at a yard sale. It didn’t have any inputs, and there weren’t any tuning knobs like a radio would have, so it’s a mystery what this was originally used for. [Tristan] traced out the circuit and figured out where he could input audio signals which allo... | 21 | 21 | [
{
"comment_id": "310355",
"author": "Paul Potter",
"timestamp": "2011-01-20T20:38:20",
"content": "That really does rock.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "310358",
"author": "Focusrally",
"timestamp": "2011-01-20T20:43:48",
"content":... | 1,760,377,299.534813 | ||
https://hackaday.com/2011/01/20/zipitbot/ | Zipitbot | Mike Szczys | [
"handhelds hacks",
"Robots Hacks"
] | [
"dsPic",
"i2c",
"servo",
"webcam",
"zipit"
] | [Nulluser’s] Zipit was fine, but it couldn’t go anywhere on its own. Adding some motors and a microcontroller fixed that issue, and now he’s got
a little robot called the Zipitbot
. That’s a dsPIC board on top which communicates with the Zipit over an I2C bus. Four servo motors provide plenty of power to the wheels,wit... | 22 | 22 | [
{
"comment_id": "310276",
"author": "XiUiX",
"timestamp": "2011-01-20T19:07:41",
"content": "Its so cute",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "310293",
"author": "Metis",
"timestamp": "2011-01-20T19:35:07",
"content": "I can’t understand w... | 1,760,377,299.935586 | ||
https://hackaday.com/2011/01/18/mcp2200-usb-to-serial-chip-hacked-to-do-your-bidding/ | MCP2200 USB To Serial Chip Hacked To Do Your Bidding | Mike Szczys | [
"Microcontrollers"
] | [
"18f14k50",
"mcp2200",
"microchip",
"pic",
"pickit3",
"usb"
] | Mircrochip has a new USB to Serial converter available called the MCP2200. [Sjaak] suspected that it may have been made from an existing 20-pin PIC and found that reading the device signature with the PICKIT3 shows that the chip is an 18F14K50. Most likely this is running Microchip’s USB stack but it’s hard to tell bec... | 24 | 22 | [
{
"comment_id": "308613",
"author": "biozz",
"timestamp": "2011-01-18T22:14:53",
"content": "would it be legal for someone to sell these hacked chips?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "308617",
"author": "Erik Johnson",
"timestamp": "2011-... | 1,760,377,299.362907 | ||
https://hackaday.com/2011/01/18/attitude-control-for-a-really-big-rocket/ | Attitude Control For A Really Big Rocket | Mike Szczys | [
"Microcontrollers",
"Transportation Hacks"
] | [
"acs",
"arduino",
"attitude",
"control system",
"nitrogen",
"rocket",
"valve"
] | If this is meant for a model rocket it must be the biggest we’ve ever seen. [Scott] and [Trevor] took on the task of
building a rocket attitude control system
after reading about some research on the topic. But that researcher only tested the theories using simulations so they set out to build their own. The prototype ... | 42 | 41 | [
{
"comment_id": "308520",
"author": "spiritplumber",
"timestamp": "2011-01-18T20:19:34",
"content": "This is how attitude control works in a “real” space rocket right?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "308539",
"author": "B0SC0",
"timestam... | 1,760,377,299.298821 | ||
https://hackaday.com/2011/01/18/new-years-eve-ball-drop-in-your-kitchen/ | New Year’s Eve Ball Drop In Your Kitchen | Mike Szczys | [
"home entertainment hacks"
] | [
"arduino",
"ball drop",
"christmas ornament",
"New Year's Eve"
] | [Tech B.] hacked together
a Ball Drop for New Year’s Eve
using stuff he had lying around. The ball itself is an old Christmas ornament that he cut in half and filled with 14 LEDs and a 9V battery. He finished up that portion of the project by gluing the halves back together and adding a hole for the guide rod. The base... | 12 | 12 | [
{
"comment_id": "308441",
"author": "Scuzz",
"timestamp": "2011-01-18T18:46:27",
"content": "Neat! Though I was hoping that the ball would have all tri-color LEDs and when it hit the bottom there was going to be some crazy and awesome little light show.This would definitely make me a bit more invest... | 1,760,377,299.582029 | ||
https://hackaday.com/2011/01/18/phosphorescent-laser-painting/ | Phosphorescent Laser Painting | Joseph Thibodeau | [
"Laser Hacks",
"Video Hacks"
] | [
"glow in the dark",
"laser",
"persistence",
"phosphor",
"scanner"
] | Here’s a simple and interesting idea that increases the visual persistence of a laser scanner image. Using glow-in-the-dark paint, [
Daito Manabe
] prepares a surface so that the intense light of a laser leaves a trace that fades slowly over time. He’s using the idea to print monochromatic images onto the treated surfa... | 23 | 23 | [
{
"comment_id": "308348",
"author": "spiritplumber",
"timestamp": "2011-01-18T17:17:27",
"content": "Ooooh. Now redo Tron with this method. :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "308349",
"author": "Shadow",
"timestamp": "2011-01-18T17:20:16... | 1,760,377,299.418669 | ||
https://hackaday.com/2011/01/18/the-lunchtime-clock-gives-you-12-extra-minutes/ | The Lunchtime Clock Gives You 12 Extra Minutes | Caleb Kraft | [
"home hacks"
] | [
"clock",
"time"
] | The
Lunchtime clock is a hacked clock
that pulls a sneaky little trick to get you a longer lunch. In this instructible, [Randofo] shows us how he uses an Atmega168 and a realtime clock kit from Adafruit to slow the clock down 20% starting at 11:00 and then speed it back up at 11:45, gaining you an extra 12 minutes of s... | 41 | 41 | [
{
"comment_id": "308313",
"author": "mi6x3m",
"timestamp": "2011-01-18T16:15:06",
"content": "I kneel before you, oh great inventor of this clock, for this ought to be the most wonderful device ever engineered, thank you!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"com... | 1,760,377,300.012476 | ||
https://hackaday.com/2011/01/18/glimpses-of-a-3d-volumetric-display/ | Glimpses Of A 3D Volumetric Display | Mike Szczys | [
"Kinect hacks",
"Multitouch Hacks"
] | [
"3d",
"autodesk",
"prism",
"pyramid",
"volumetric"
] | Custom displays are a lot of fun to look at, but this one is something we’d expect to see at a trade show and not on someone’s kitchen table. [Taha Bintahir]
built a 3D volumetric display
and is showing it off in the image above using a 3DS file of the Superman logo exported from Autodesk. In the video after the break ... | 37 | 32 | [
{
"comment_id": "308234",
"author": "Tomatosoup",
"timestamp": "2011-01-18T13:34:14",
"content": "That’s awesome, hope a tutorial or something gets put out",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "308245",
"author": "Seth",
"timestamp": "2011-01-... | 1,760,377,300.419899 | ||
https://hackaday.com/2011/01/17/aquarium-water-exchanger/ | Aquarium Water Exchanger | Mike Szczys | [
"home hacks"
] | [
"aquarium",
"clean",
"pump",
"valve"
] | If you want happy fish you’re going to need to do regular aquarium maintenance. Part of this is exchanging a portion of the tank’s water on a regular basis. [Bill Porter] came up with
a water exchanger that means less manual labor
, but makes the process just a bit more complicated.
So, what he would do before is fill ... | 25 | 25 | [
{
"comment_id": "307783",
"author": "Ben Wright",
"timestamp": "2011-01-17T23:07:33",
"content": "I hope the PVC glue is fish safe. I know that making acrylic tanks, the regular glue to make the solvent joints might kill a fish or two.",
"parent_id": null,
"depth": 1,
"replies": []
},... | 1,760,377,300.740714 | ||
https://hackaday.com/2011/01/20/rapatronic-shutter-snap-a-pic-of-an-atomic-bomb/ | Rapatronic Shutter; Snap A Pic Of An Atomic Bomb | Mike Szczys | [
"digital cameras hacks"
] | [
"atomic bomb",
"rapatronic",
"x-ray",
"zero time"
] | We never really thought about it before, but
this post about Rapatronic Shutters
answers the question of how to photograph an atomic bomb detonation. The post includes an MIT video where [
Charles Wyckoff
] explains how he and [Harold Edgerton] developed the
Rapatronic Camera
. It is designed to snap a photograph based... | 15 | 15 | [
{
"comment_id": "310171",
"author": "theodore",
"timestamp": "2011-01-20T16:43:09",
"content": "Cool but I’m not sure how environmentally responsible it is to use nukes instead of flash bulbs",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "310189",
"author"... | 1,760,377,300.595805 | ||
https://hackaday.com/2011/01/20/intermediate-concepts-building-discreet-transistor-gates/ | Intermediate Concepts: Building Discrete Transistor Gates | Mike Szczys | [
"computer hacks",
"Misc Hacks"
] | [
"atanua",
"binary",
"full adder",
"intermediate concepts",
"logic gates",
"transistors"
] | [Simon Inns] has put together
a lesson in digital logic
which shows you how to build your own gates using transistors. The image above is a full-adder that he fabricated, then combined with other full adders to create a 4-bit computer.
Don’t know what a full adder is? That’s exactly what his article is for, and will te... | 21 | 21 | [
{
"comment_id": "310068",
"author": "mike",
"timestamp": "2011-01-20T14:26:45",
"content": "Um, I think you mean *discrete. A discreet one would be smaller for starters….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "310078",
"author": "Ed",
"timestam... | 1,760,377,300.844732 | ||
https://hackaday.com/2011/01/19/projector-tricks-make-use-of-kinect-3d-mapping/ | Projector Tricks Make Use Of Kinect 3D Mapping | Mike Szczys | [
"Kinect hacks",
"Multitouch Hacks"
] | [
"hadouken",
"Kinect",
"light",
"projector"
] | [Don’t stop the clock] is doing some work with a projector, a camera, and the Kinect. What he’s accomplished is quite impressive,
combining the three to manipulate light with your body
. The image above is a safer rendition of
the Hadouken
from the Street Fighter video games, throwing light across the room instead of f... | 12 | 12 | [
{
"comment_id": "309474",
"author": "Andrew",
"timestamp": "2011-01-19T23:09:28",
"content": "The Kinect has come full circle. Johnny Lee started with this:http://hackaday.com/2007/11/15/automatic-projector-calibration/, and then went on to (help) design the Kinect. Now that the Kinect exists, it is... | 1,760,377,300.468428 | ||
https://hackaday.com/2011/01/19/make-your-own-odometer-from-scraps/ | Make Your Own Odometer From Scraps | Greg R. Jacobs | [
"Tool Hacks"
] | [
"calculator",
"cd",
"distance",
"garbage",
"hack",
"odometer"
] | For those out there who would enjoy a quick and interesting weekend project, this odometer made by [PeckLauros] is for you. Featured on
Instructables
it is made from the simplest of materials including some cardboard, a calculator, wires, glue, hot glue, magnetic drive key, an old CD and a reader, and a rubber band. ... | 11 | 11 | [
{
"comment_id": "309387",
"author": "Phil",
"timestamp": "2011-01-19T20:48:33",
"content": "Thats a really bulky cool hack – want to see more like this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "309393",
"author": "Fallen",
"timestamp": "2011-01-1... | 1,760,377,300.790186 | ||
https://hackaday.com/2011/01/19/cracking-a-manipulation-proof-million-combination-safe/ | Cracking A Manipulation-proof, Million Combination Safe | Mike Szczys | [
"lockpicking hacks"
] | [
"8500",
"brute force",
"crack",
"safe",
"sargent and greenleaf"
] | So you spent the big bucks and got that fancy safe but if these guys can
build a robot to brute-force the combination
you can bet there are thieves out there who can pull it off too. [Kyle Vogt] mentioned that we featured the first iteration of his build back in 2006 but we can’t find that article. So read through his ... | 54 | 48 | [
{
"comment_id": "309356",
"author": "cboy2us",
"timestamp": "2011-01-19T19:53:43",
"content": "Did anyone else see the safe not open?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3344288",
"author": "Diane J Fritsche",
"timestamp": "2016-12... | 1,760,377,300.677867 | ||
https://hackaday.com/2011/01/19/arduino-the-documentary/ | Arduino The Documentary | Mike Szczys | [
"Misc Hacks"
] | [
"arduino",
"documentary"
] | We finally got around to watching
“Arduino The Documentary”
and it’s a two-thumbs-up kind of film. What did we like? It’s a documentary about open source hardware so what’s
not
to like? You’ll hear the story of how
the Arduino team
was formed and the path they took from design to production. There are also interviews w... | 38 | 38 | [
{
"comment_id": "309283",
"author": "CutThroughStuffGuy",
"timestamp": "2011-01-19T18:06:46",
"content": "I watched this a few days ago. I love arduinos. We use them in industrial control equipment as a replacement for ladder logic PLCs.However this video, while nice in that it gave an overview of t... | 1,760,377,300.541448 | ||
https://hackaday.com/2011/01/19/gas-turbine-jetpack-test-pilots-wanted/ | Gas Turbine Jetpack – Test Pilots Wanted | Mike Szczys | [
"Transportation Hacks"
] | [
"jetpack",
"megaman",
"turbine"
] | Feeling brave and
ready to strap on this jet pack
? Well, that’s not all of it. What you see above is just the manifold with two nozzles that can be aimed for control. The gas turbine engine that is being designed for the project will attach to the large circular coupling on top. The finished suit, called a Monocopter,... | 42 | 42 | [
{
"comment_id": "309147",
"author": "patman2700",
"timestamp": "2011-01-19T14:04:47",
"content": "Look closely; there are actually three nozzles stemming from the manifold.#corrections",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "309149",
"author": "Stev... | 1,760,377,301.03468 | ||
https://hackaday.com/2011/01/16/binary-clock-using-logic-chips-and-mains-frequency/ | Binary Clock Using Logic Chips And Mains Frequency | Mike Szczys | [
"clock hacks"
] | [
"binary",
"logic",
"mains"
] | [Osgeld] built himself a binary clock. He didn’t take the time to explain his project, but he did post beautifully hand-drawn
schematics and pictures of the circuit
(PDF) as he was building it. We’ve seen clock projects that
use mains frequency as the clock source
and that’s the route that [Osgeld] chose for his build.... | 29 | 27 | [
{
"comment_id": "306445",
"author": "Bill Porter",
"timestamp": "2011-01-16T19:13:02",
"content": "Pretty nifty. Similar method to how I measured frequency and PF through the transformer powering my power meter.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3... | 1,760,377,301.09842 | ||
https://hackaday.com/2011/01/16/quiz/ | Quiz-o-Tron 3000 | Caleb Kraft | [
"Arduino Hacks",
"home entertainment hacks"
] | [
"easy button",
"game"
] | Who would have known that being given the task of planning a holiday party at a wine bar would turn into a hacking project? Well, here’s how that happened. A committee was in charge of the festivities and had decided on doing a mock game show. It wouldn’t really feel like a game show unless you had a contestant lockout... | 19 | 18 | [
{
"comment_id": "306329",
"author": "SS",
"timestamp": "2011-01-16T16:39:56",
"content": "Aaaagh! Another fun project posted in Intructables… When will people learn to stop posting good projects there? Instructables SUCK big time! I know it os free and just need to sign up, but it is lame!",
"pa... | 1,760,377,301.157648 | ||
https://hackaday.com/2011/01/15/improving-a-hexapod-design/ | Improving A Hexapod Design | Mike Szczys | [
"Robots Hacks"
] | [
"hexapod",
"linkage",
"servo"
] | [JC] built himself a hexapod based on a project he found on the Internet. It worked fairly well, but was mechanically weak and prone to breakage.
He set out to improve the design
and came up with the unit seen above. It uses three servo motors to control the six legs, and walks quite well as seen in the quick clip afte... | 7 | 6 | [
{
"comment_id": "305674",
"author": "JC",
"timestamp": "2011-01-15T22:50:42",
"content": "Hey thanks for the post Mike! I think HAD is a great site, so it’s awesome to be featured.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "305677",
"author": "C... | 1,760,377,301.341132 | ||
https://hackaday.com/2011/01/15/two-generations-of-ocean-going-rov/ | Two Generations Of Ocean-going ROV | Mike Szczys | [
"Robots Hacks"
] | [
"rov",
"Tether",
"underwater"
] | [Eirik] wants to help inspire others to take on big projects to he sent in
a link to his ROV project
. He started it about one year ago and the image above shows the first generation. After the break you can see the video that the ROV captured during a couple of it’s initial voyages. They’re pretty clear and right off ... | 19 | 19 | [
{
"comment_id": "305565",
"author": "CutThroughStuffGuy",
"timestamp": "2011-01-15T20:20:43",
"content": "Waterproofing wires isn’t terribly hard to make for reasonable pressures (under 500 PSI although that’s something like 1,122 feet deep!).Start with a NPT nipple into the body of the robot. Then ... | 1,760,377,301.460022 | ||
https://hackaday.com/2011/01/15/converting-8mm-film-to-digital/ | Converting 8mm Film To Digital | Caleb Kraft | [
"classic hacks",
"digital cameras hacks"
] | [
"8mm",
"film"
] | Many of us have these old 8mm family videos lying around and many of us have lamented at the perspective cost to get them converted to digital. [Paul] came up with a pretty slick way of
digitizing them himself
. He cracked open an 8mm projector and replaced the drive motor with one he could run at a much slower speed,... | 24 | 22 | [
{
"comment_id": "305420",
"author": "John Laur",
"timestamp": "2011-01-15T17:27:37",
"content": "Pretty good system; probably one of the best DIY transfers I have seen that isn’t a much slower manual process with a film scannerBut although it’s fast by comparison, it’s still slow enough that I’d hig... | 1,760,377,301.39932 | ||
https://hackaday.com/2011/01/15/r2d2-wannabe-lacks-lightsaber-launcher-autonomy/ | R2D2 Wannabe Lacks Lightsaber Launcher, Autonomy | Mike Szczys | [
"Robots Hacks"
] | [
"projector",
"python",
"r2d2",
"star wars"
] | Is this what the lovable Star Wars droid would look like without its protective skin?
This R2D2 inspired robot
is another Olin College of Engineering (where that
CNC cake decorator
came from) build developed by [Nathaniel Ting] and his classmates. Alas, it lacks autonomy, relying on an operator for guidance. But we enj... | 14 | 13 | [
{
"comment_id": "305359",
"author": "Michael L.",
"timestamp": "2011-01-15T15:27:19",
"content": "Why not just add a circuit to convert the dc to ac that way you could use the batteries to power the projector too. Plus if this site has shown us anything it’s that autonomy is only a few sensors away.... | 1,760,377,301.302414 | ||
https://hackaday.com/2011/01/14/arduspider-entertains-children-and-exercises-pets/ | ArduSpider Entertains Children And Exercises Pets | Mike Szczys | [
"Robots Hacks"
] | [
"arduino",
"balsa",
"carbon fiber",
"ir sensor",
"spider"
] | There are so many good things about [Jose Julio’s]
robotic spider
. It’s design is dainty yet robust, and the behaviors encoded in the firmware are nothing short of spectacular.
The body is built from a piece of balsa wood in between sheets of carbon fiber. The legs are carbon rods, using two servo motors for left and ... | 21 | 21 | [
{
"comment_id": "304775",
"author": "Josh",
"timestamp": "2011-01-14T22:12:38",
"content": "That was… AWESOME!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "304787",
"author": "zool",
"timestamp": "2011-01-14T22:40:27",
"content": "pretty cool",
... | 1,760,377,301.509913 | ||
https://hackaday.com/2011/01/17/nokia-internet-key-external-antenna/ | Nokia Internet Key External Antenna | Mike Szczys | [
"Cellphone Hacks",
"Wireless Hacks"
] | [
"antenna",
"internet key",
"nokia",
"sma"
] | [Maurizio] was having some reception issues with his wireless internet and set out to
add an external antenna to the USB dongle
(
translated
). He had previously poked around inside of the Nokia internet key to find that the internal antenna was a flexible circuit substrate wrapped around a plastic box that made contac... | 13 | 13 | [
{
"comment_id": "307719",
"author": "M4CGYV3R",
"timestamp": "2011-01-17T21:56:29",
"content": "Someone tell me how to do this with my brain. The reception lately has been a bit fuzzy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "307736",
"author": "Prof... | 1,760,377,301.723464 | ||
https://hackaday.com/2011/01/17/tri-rotor-helicopter-with-full-autopilot/ | Tri-rotor Helicopter With Full Autopilot | Mike Szczys | [
"Robots Hacks"
] | [
"Autopilot",
"exposure",
"light",
"quadcopter",
"tricopter"
] | Quadcopters stand aside, here’s
a three-rotor helicopter we think you’re going to love
. The body is made out of plywood and carbon fiber rods, keeping it light enough to be easily lifted by just 3 motors while making sure the force doesn’t tear the aircraft apart. Three gyroscopes, two accelerometers, three magnetomet... | 17 | 17 | [
{
"comment_id": "307650",
"author": "Scott",
"timestamp": "2011-01-17T20:45:33",
"content": "I love it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "307653",
"author": "Bill",
"timestamp": "2011-01-17T20:55:29",
"content": "Her name is Major Marc... | 1,760,377,301.897797 | ||
https://hackaday.com/2011/01/17/is-your-camera-lying/ | Is Your Camera Lying? | James Munns | [
"digital cameras hacks",
"Peripherals Hacks"
] | [
"calibration",
"camera",
"lomography",
"photography",
"shutter"
] | It is easy to rely on the ratings marked on different tools, whether it is a power supply, scale, or speedometer. However calibration is essential for any part that is relied upon either professionally or for a hobby. [Jeremy] wanted to see if his Lomography
camera shutter
really was only open for 1/100ths of a second ... | 25 | 25 | [
{
"comment_id": "307450",
"author": "Spork",
"timestamp": "2011-01-17T18:02:43",
"content": "Interesting read, and I like the idea of designing an experiment to test a possible problem. At the same time I wish he had a solution to actually calibrate the shutter speed. As it is he just measures it, ... | 1,760,377,301.671765 | ||
https://hackaday.com/2011/01/17/audio-crossover-back-in-service/ | Audio Crossover Back In Service | James Munns | [
"Musical Hacks"
] | [
"capacitor",
"crossover",
"Klipsch",
"speaker"
] | Audio Crossovers are an essential tool for any high end speaker system. Because most individual loudspeakers are unable to cover the entire spectrum of audible sound as well as multiple drivers are, it is necessary to split the input signal into low and high frequency parts. When a friend of [Anthony]’s was about to se... | 24 | 24 | [
{
"comment_id": "307354",
"author": "fartface",
"timestamp": "2011-01-17T15:56:04",
"content": "“Audio Crossovers are an essential tool for any high end speaker system.”Nice to see the editor knows nothing about speakers… a Crossover is required in ALL speaker systems where there is more than 1 spe... | 1,760,377,301.787625 | ||
https://hackaday.com/2011/01/17/electronic-dice-has-option-for-20-or-100-sides/ | Electronic Dice Has Option For 20 Or 100 Sides | Mike Szczys | [
"Arduino Hacks"
] | [
"7 segment",
"arduino",
"dice",
"die",
"electronic",
"MAX7219"
] | [Bluewraith] built himself an electronic dice using a 555 timer and 4017 counter. This is a classic project and he enjoyed doing it but wondered about making a 20-sided dice. So he grabbed his Arduino and got to work. A switch on
the final project
selects between 20 or 100 sides. He used a MAX7219 to control the 7-segm... | 17 | 17 | [
{
"comment_id": "307306",
"author": "Andrew",
"timestamp": "2011-01-17T14:51:23",
"content": "Drats! Just as I was about to release my 88 sided dice!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "307315",
"author": "BoKu",
"timestamp": "2011-01-17T14:... | 1,760,377,301.841591 | ||
https://hackaday.com/2011/01/16/electrodes-turn-your-eyelids-into-3d-shutter-glasses/ | Electrodes Turn Your Eyelids Into 3D Shutter Glasses | Mike Szczys | [
"Medical Hacks",
"Video Hacks"
] | [
"3d",
"electrode",
"eyelid",
"real or fake",
"shutter glasses"
] | [Jonathan Post] has a way to watch 3D video without wearing shutter glasses but it might be kind of a hard product to break into the market. As you can see above, a pair of electrodes are stuck on a viewer’s eyelids,
using electricity to alternately close each eye
. The video after the break shows a demonstration of th... | 153 | 50 | [
{
"comment_id": "306558",
"author": "Girrrrrrr2",
"timestamp": "2011-01-16T22:04:16",
"content": "Yeah… I will stay with the glasses…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "306562",
"author": "bolke",
"timestamp": "2011-01-16T22:07:13",
"co... | 1,760,377,302.427633 | ||
https://hackaday.com/2011/01/16/20-fuel-injector-tester/ | $20 Fuel Injector Tester | Mike Szczys | [
"Tool Hacks",
"Transportation Hacks"
] | [
"555",
"fuel injector",
"mosfet",
"timer"
] | [Dino] is an auto mechanic and needed a way to test out fuel injectors. Commercially available tools start well over $100 and go up from there, but
he built his own for about $20
.
The injectors have a coil in them that needs to be tested. His design calls for a series of 0.008 millisecond pulses to test the coil. He s... | 39 | 39 | [
{
"comment_id": "306530",
"author": "TheBadWolf",
"timestamp": "2011-01-16T21:16:04",
"content": "This is awesome beyond belief.Loves it",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "306532",
"author": "andrew",
"timestamp": "2011-01-16T21:20:50",
... | 1,760,377,302.121766 | ||
https://hackaday.com/2011/01/14/atomic-pinball-clock/ | Atomic Pinball Clock | Mike Szczys | [
"clock hacks"
] | [
"arduino",
"atomic clock",
"electromechanical",
"optoisolation",
"pinball",
"wwvb"
] | [Mark Gibson] sent us a load of details on his build,
a WWVB atomic clock using a pinball machine marquee
(PDF). This is the upright portion of an old machine that used electromechanical displays instead of digital electronics. It’s big, noisy, and seeing it running might make you a bit giddy. Luckily he included video... | 14 | 14 | [
{
"comment_id": "304732",
"author": "Josh",
"timestamp": "2011-01-14T21:05:37",
"content": "This is really cool, these types of things are why I come to HaD. Keep up the good work guys.Oh btw… FIRST",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "304737",
"... | 1,760,377,302.259858 | ||
https://hackaday.com/2011/01/14/theory-behind-evanescent-wave-coupling-aka-wireless-power/ | Theory Behind Evanescent Wave Coupling, Aka Wireless Power | Mike Szczys | [
"Misc Hacks"
] | [
"evanescent wave coupling",
"inductance",
"persistence of vision",
"wireless electricity"
] | [Alan Yates] is building a persistence of vision display and needs a way to transfer power from the stationary base to the spinning circuitry. He’s decided to go with wireless energy transfer and he’s sharing
all of his research and experiment data from the development process
. It comes in two forms, the written versi... | 30 | 30 | [
{
"comment_id": "304636",
"author": "Fallen",
"timestamp": "2011-01-14T18:19:55",
"content": "hmm new term for me, evanescent. Well at least new when applied to electronics.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "304653",
"author": "jenningsthecat"... | 1,760,377,302.503409 | ||
https://hackaday.com/2011/01/14/macintosh-pro-dj-helmet-with-an-ipad/ | Macintosh Plus DJ Helmet With An IPad | James Munns | [
"Video Hacks",
"Wearable Hacks"
] | [
"helmet",
"ipad"
] | Elaborate helmets are not a new concept, with many famous artists such as Daft Punk and Deadmau5 using them for stage shows. For a sculpture class, [Terrence]
fashioned his own
out of the body of a Macintosh Plus and an iPad conveniently sourced from eBay. After gutting the insides, the Mac Plus was fitted with parts f... | 39 | 38 | [
{
"comment_id": "304556",
"author": "Steve",
"timestamp": "2011-01-14T16:16:02",
"content": "That’s a Plus, it says so right in the project page. There is no such thing as a “Macintosh Pro” in that vintage. (The mac Pro came much, much later.)",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,377,302.332762 | ||
https://hackaday.com/2011/01/14/open-source-your-rave-with-openlase/ | Open Source Your Rave With OpenLase | James Munns | [
"digital audio hacks",
"Video Hacks"
] | [
"jack",
"laser",
"linux",
"openlase",
"projector",
"ubuntu"
] | Without a doubt, Laser Projectors are a great way to project large, bright images on any surface you can imagine. With a high enough quality projector and software package, excellent images and visualizations can be displayed in real time. [marcan], of the openkinect project, decided that there were not any open source... | 26 | 23 | [
{
"comment_id": "304497",
"author": "Grovenstien",
"timestamp": "2011-01-14T14:45:11",
"content": "Perhaps it would be possible to hijack an ILDA interface and use a DAC to do the same thing for non homebrew lasers. There are loads of cheap Galvo sets with ILDA boards on ebay. Currently Pangolin see... | 1,760,377,302.564679 | ||
https://hackaday.com/2011/01/13/kinetic-project-duo-to-delight-and-amuse/ | Kinetic Project Duo To Delight And Amuse | Mike Szczys | [
"Toy Hacks"
] | [
"ball bearing",
"kinetic sculpture",
"perpetual motion",
"steel ball",
"steorn orbo"
] | We’re going to let you decide which of these two projects is a delight, and which is amusing.
The project on the left is
a desktop kinetic sculpture
. We like it because of its size and simplicity. A single AA battery drives the gear head motor that provides the lift for the metal balls. There are several different rou... | 63 | 50 | [
{
"comment_id": "303738",
"author": "Russ Weeks",
"timestamp": "2011-01-13T22:41:44",
"content": "On a similar note, Ronald Walters’ marble machine via woodgears.ca:http://woodgears.ca/reader/walters/marble_machine.html",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment... | 1,760,377,302.649615 | ||
https://hackaday.com/2011/01/13/let-paper-dolls-teach-you-science/ | Let Paper Dolls Teach You Science | Mike Szczys | [
"Misc Hacks"
] | [
"a to z",
"electronics",
"history",
"jeri ellsworth",
"theory"
] | Remember how fun it was studying chemistry and physics in high school? Well we guess your recollection depends on the person who taught the class. Why not have another go at it by
learning the A-to-Z of electronics
from one of our favorite teachers, [Jeri Ellsworth].
You know, the person who
whips up chemistry experime... | 21 | 21 | [
{
"comment_id": "303579",
"author": "walt",
"timestamp": "2011-01-13T19:41:47",
"content": "pretty cool. 1st!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "303613",
"author": "Pilotgeek",
"timestamp": "2011-01-13T20:23:23",
"content": "Jeri Ellswo... | 1,760,377,302.929702 | ||
https://hackaday.com/2011/01/13/man-made-rainbow-uses-only-sunlight-and-rainwater/ | Man Made Rainbow Uses ONLY Sunlight And Rainwater | Mike Szczys | [
"green hacks"
] | [
"mist",
"rainbow",
"rainwater",
"solar"
] | This rainbow is and is not natural. It’s the product of rainwater and sunlight so in that respect it’s natural. But as you can see, it’s not raining.
This is an art installation
that uses captured rainwater, stored solar electricity, and irrigation equipment to float a heavy blanket of mist in the air. The prismatic ef... | 20 | 20 | [
{
"comment_id": "303493",
"author": "Squirrel",
"timestamp": "2011-01-13T18:05:27",
"content": "To see a rainbow:Be standing in between a sheet of falling water droplets and the sunLook directly away from the sunThe rainbow will be at an angle of 42 degrees",
"parent_id": null,
"depth": 1,
... | 1,760,377,303.088032 | ||
https://hackaday.com/2011/01/13/pin-header-sizing-machine/ | Pin Header Sizing Machine | Mike Szczys | [
"Tool Hacks"
] | [
"kit",
"pin header"
] | [Ammon Allgaier] built
a tool that can break apart pin headers
with a high level of precision. In the video after the break he demonstrates the built-in features. They include an adjustable stop to select the number of pins you’d like in each chopped segment. There’s also a small groove in the input side which the plas... | 41 | 41 | [
{
"comment_id": "303434",
"author": "wwwhizz",
"timestamp": "2011-01-13T16:51:08",
"content": "I always use nail-clippers. Works like a charm.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "303437",
"author": "skitchin",
"timestamp": "2011-01-13T16:53:... | 1,760,377,302.722658 | ||
https://hackaday.com/2011/01/12/turning-a-one-armed-bandit-into-web-slots/ | Turning A One-armed-bandit Into Web Slots | Mike Szczys | [
"Arduino Hacks"
] | [
"arduino",
"Pearl",
"slot machine",
"streaming",
"ubuntu"
] | [Kyle Kroskey] just finished his first Arduino project,
adding web control to a slot machine
. He started with an IGT S+ model which were extremely popular in Vegas and Atlantic City casinos for years, but are now being replaced with more modern versions. His grand idea was to modify the machine so that it can be contr... | 14 | 14 | [
{
"comment_id": "302791",
"author": "joe",
"timestamp": "2011-01-12T22:38:14",
"content": "I don’t understand, Why?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "302794",
"author": "emilio",
"timestamp": "2011-01-12T22:41:23",
"content": "interest... | 1,760,377,302.97689 | ||
https://hackaday.com/2011/01/12/skywalker-a-really-really-tall-bike/ | SkyWalker: A Really Really Tall Bike | Mike Szczys | [
"Transportation Hacks"
] | [
"bicycle",
"tall bike"
] | [Brad Graham] enjoys building bikes. He threw together a tall bike called
the SkyWalker and then shared the build details
(link dead,
try the Internet Archive version
). It’s got everything you’d expect in a fixed-gear bike; a seat, pedals, steering, and two wheels. You’ll have to do a bit of climbing to get into the s... | 37 | 36 | [
{
"comment_id": "302719",
"author": "Aero",
"timestamp": "2011-01-12T20:34:30",
"content": "The site is down…The bike in the video is not the same as the yellow bike in the picture. I question the stability of the yellow one at low speeds and during mounting/dismounting.",
"parent_id": null,
... | 1,760,377,302.873427 | ||
https://hackaday.com/2011/01/12/quit-your-job-a-build-a-pipe-organ/ | Quit Your Job And Build A Pipe Organ | Mike Szczys | [
"Musical Hacks"
] | [
"mechanical engineer",
"pipe organ"
] | [Raphi Giandiulio] grew tired of designing expensive things for Texas Instruments, so
he quit his job and built this organ
. Now there is some back story here, [Raphi’s] dad was a professional musician and [Raphi] played trumpet through college. He is a mechanical engineer by trade and that’s where a lot of the experti... | 23 | 23 | [
{
"comment_id": "302626",
"author": "mi6x3m",
"timestamp": "2011-01-12T18:29:29",
"content": "Jesus Christ….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "302642",
"author": "sm10sm20",
"timestamp": "2011-01-12T18:43:59",
"content": "How can this ... | 1,760,377,303.031318 | ||
https://hackaday.com/2011/01/12/hold-fast-and-max-features-on-a-digital-caliper/ | Hold, Fast, And Max Features On A Digital Caliper | Mike Szczys | [
"Tool Hacks"
] | [
"digital caliper",
"fast",
"hold",
"rj-11"
] | While adding an RJ-11 connector to his digital calipers [BadWolf] slipped, shorting out a pin and
accidentally discovered new features
. He intended to
add a port for reading measurement data electronically
, but after the slip-up an ‘H’ appeared on the LCD screen and the measurement was frozen at the same number. At f... | 67 | 50 | [
{
"comment_id": "302477",
"author": "wvdv2002",
"timestamp": "2011-01-12T14:33:01",
"content": "Isn’t it much more handy to have a ‘hold minimum value’ function for a caliper? If you want to measure the diameter of an object for example?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,377,303.368616 | ||
https://hackaday.com/2011/01/11/intro-to-circuit-bending/ | Intro To Circuit Bending | Joseph Thibodeau | [
"digital audio hacks",
"Featured",
"how-to",
"Musical Hacks",
"Toy Hacks"
] | [
"circuit bend",
"dac",
"pwm",
"synthesizer",
"wavetable",
"yamaha"
] | Electronic musical instruments are a lot of fun for a hacker because, with a small palette of tools, know-how and curiosity, they are easily modified. As with any hack, there is always the chance that the subject will be ruined, so it’s not necessarily worth the risk to muck about inside your thousand-dollar pro synthe... | 54 | 50 | [
{
"comment_id": "301851",
"author": "Paul Potter",
"timestamp": "2011-01-11T23:21:46",
"content": "I love circuit bending. I did a Speak & Maths a few years ago. Great article, and love that tune at the end. Instant Aphex Twin or Squarepusher. More please.",
"parent_id": null,
"depth": 1,
... | 1,760,377,303.462382 | ||
https://hackaday.com/2011/01/11/scrolling-marquee-made-from-ge-christmas-lights/ | Scrolling Marquee Made From GE Christmas Lights | Mike Szczys | [
"LED Hacks"
] | [
"arduino",
"christmast lights",
"g-35",
"ge",
"marquee"
] | [John Riney] picked up three strands of addressable Christmas lights and
used them to make a scrolling marquee
. You may remember that the
G-35 lights were hacked
at the beginning of December, and we saw
a project
or two that involved these fun toys.
In order to make the display [John] modified the original packing mat... | 23 | 23 | [
{
"comment_id": "301819",
"author": "Ben",
"timestamp": "2011-01-11T22:42:20",
"content": "It’s a pity, they are still that expensive!When I see these Christmaslight hacks I always have to think about a LED Qube made form them. Just hang them from a ceiling of a hall or something…",
"parent_id":... | 1,760,377,303.282579 | ||
https://hackaday.com/2011/01/11/digitizing-player-piano-rolls/ | Digitizing Player Piano Rolls | Mike Szczys | [
"Musical Hacks"
] | [
"fiber optic",
"ir sensor",
"piano roll",
"player piano"
] | What do you do with 100 player piano rolls but no player piano? You come up with a way to
digitize the information for MIDI playback
. The rolls have 90 columns worth of holes, 88 for the keys and two more for pedals. Voids in the paper cause a note or pedal to be played, so an optical sensor can be used to transform t... | 28 | 26 | [
{
"comment_id": "301615",
"author": "Lace Williamson",
"timestamp": "2011-01-11T19:35:46",
"content": "That. Is awesome. I want one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "301629",
"author": "adric",
"timestamp": "2011-01-11T19:47:48",
"con... | 1,760,377,303.528493 | ||
https://hackaday.com/2011/01/11/button-cell-connectors-for-breadboarding/ | Button Cell Connectors For Breadboarding | Mike Szczys | [
"Tool Hacks"
] | [
"battery",
"breadboard",
"coin cell",
"cr1212",
"cr2032",
"pin header"
] | We’re working on a project that has a battery backup, but we don’t have any more coin cell holders on hand. No problem, we remember seeing a double pin header used for this. But when we tried to shove the CR2032 battery in between the pins it was a no-go. We could swear we’d featured a project that does this but couldn... | 34 | 34 | [
{
"comment_id": "301467",
"author": "Paul Potter",
"timestamp": "2011-01-11T17:35:50",
"content": "Simple and genius.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "301506",
"author": "amishx64",
"timestamp": "2011-01-11T18:04:12",
"content": "This... | 1,760,377,303.601838 |
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