url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
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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 |
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https://hackaday.com/2012/02/23/checking-the-accuracy-of-fake-watches/ | Checking The Accuracy Of Fake Watches | Brian Benchoff | [
"clock hacks"
] | [
"intervalometer",
"wrist watch"
] | Since [th3badwolf] realized a wrist watch is the ultimate men’s fashion accessory, he’s been trolling around eBay looking for a nice looking, but still inexpensive wearable chronometer. The Fauxlex brand isn’t normally regarded for accurate time keeping, so he decided
measure the accuracy
of his off-brand watches in a ... | 82 | 43 | [
{
"comment_id": "587790",
"author": "mattbed",
"timestamp": "2012-02-23T19:07:52",
"content": "To be fair, genuine rolex watches are not best known for their accuracy either",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "587792",
"author": "WestfW",
"t... | 1,760,376,948.866301 | ||
https://hackaday.com/2012/02/23/control-midi-with-an-android-device/ | Control MIDI With An Android Device | Brian Benchoff | [
"Android Hacks"
] | [
"android",
"ioio",
"midi"
] | [Lewis] wanted to control MIDI devices with the huge touch screen that is his Android phone. After he couldn’t find a simple hardware implementation of MIDI out, he turned to an IOIO board to
send MIDI notes
to just about any imaginable musical hardware. It’s a clean build and fills a gap in the abilities of the Androi... | 6 | 3 | [
{
"comment_id": "588089",
"author": "anti",
"timestamp": "2012-02-24T10:16:43",
"content": "Bad idea and will probably kill your IOIOI pretty soon.There is a reason why the specs mandate galvanic isolation for MIDI interfaces.I killed more than one arduino ignoring this.",
"parent_id": null,
... | 1,760,376,948.311538 | ||
https://hackaday.com/2012/02/23/doing-it-right-with-a-morse-code-keyboard/ | Doing It Right With A Morse Code Keyboard | Brian Benchoff | [
"Peripherals Hacks"
] | [
"iambic",
"keyboard",
"morse code",
"telegraph key"
] | Hackaday has seen dozens of Morse code keyboards over the years, but [Hudson] at NYC Resistor finally managed to give that idea the justice it deserves. He built a
USB Morse code keyboard
with the same type of telegraph key the pros use.
For his project, [Hudson] got his hands on a
wonderful iambic paddle
that is usual... | 6 | 6 | [
{
"comment_id": "587685",
"author": "Th3badwolf",
"timestamp": "2012-02-23T16:06:01",
"content": "Kudos!Very nice build!Considering it myself now =P",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "587690",
"author": "sqkybeaver",
"timestamp": "2012-02-2... | 1,760,376,948.265344 | ||
https://hackaday.com/2012/02/23/electronic-bag-pipes-need-no-bag-and-use-only-1-pipe/ | Electronic Bag Pipes Need No Bag And Use Only 1 Pipe | Mike Szczys | [
"Musical Hacks"
] | [
"arduino",
"bagpipes",
"touch sensitive"
] | A lot of people might turn their noses up at an electronic version of bagpipes. But we see a definite need for them. After all, it’s pretty hard to take your bagpipes on a road trip, but
this eChanter will have no trouble entertaining your fellow travelers
.
The musical instrument is Arduino-based and the builder can d... | 25 | 15 | [
{
"comment_id": "587643",
"author": "heatgap",
"timestamp": "2012-02-23T15:07:17",
"content": "This is bad ass! I think I’m actually going to look into this build. The one above is pretty plain (still awesome) and I think there are plenty of things one could do to spruce the look of this instrument ... | 1,760,376,948.949279 | ||
https://hackaday.com/2012/02/22/backyard-ski-lift/ | Backyard Ski Lift | Mike Szczys | [
"Transportation Hacks"
] | [
"ski",
"ski lift",
"skiing",
"tow rope"
] | If you own a cabin in the mountains of British Columbia what do you do during the warmer summer months? Well, we’d probably mix of a cocktail and string up a hammock, but [Darrin] is quite a bit more motivated. He planned for the snowy season by building his own ski lift. He shared the details in a forum post, but you’... | 44 | 20 | [
{
"comment_id": "587289",
"author": "mohonri",
"timestamp": "2012-02-23T00:23:23",
"content": "The pulleys don’t appear to be actually reducing the speed. I think they’re there to provide greater grip on the cable.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,376,948.551447 | ||
https://hackaday.com/2012/02/22/automated-squinting-instead-of-glasses-contacts-or-lasik/ | Automated Squinting Instead Of Glasses, Contacts, Or Lasik | Mike Szczys | [
"Medical Hacks"
] | [
"contact lenses",
"glasses",
"lasik",
"squint"
] | [Lee] is nearsighted and has had it with contacts and glasses. When trying to figure out an alternative, he looked at the core of the problem. The eye is not shaped correctly and therefore cannot focus adequately. The solution is to change the shape of the lens. This is exactly what lasik (laser eye surgery) does, but ... | 41 | 26 | [
{
"comment_id": "587248",
"author": "Simon",
"timestamp": "2012-02-22T23:14:16",
"content": "I use CRT lenses.<http://en.wikipedia.org/wiki/OrthokeratologyThey are hard lenses you wear at night while you sleep which reshape your corneas. Then you don't need to wear anything during the day but you ha... | 1,760,376,948.394863 | ||
https://hackaday.com/2012/02/25/overbuilding-an-itunes-rating-system/ | Overbuilding An ITunes Rating System | Brian Benchoff | [
"Peripherals Hacks"
] | [
"itunes",
"pic18f",
"usb"
] | Even though iTunes and it’s song rating system has been around for over a decade now, [Steve] still hasn’t gotten around to assigning ratings to his vast library of MP3s. We can’t blame him – who wants to pull up iTunes every four minutes and assign a star rating to each song individually? To solve this interface probl... | 9 | 8 | [
{
"comment_id": "588988",
"author": "vic",
"timestamp": "2012-02-25T19:23:40",
"content": "Yeah, he seems to have gone a bit further than the original specifications. Personally I’d have added a volume knob as well ;-)But I’m sure it will be very satisfying once finished.",
"parent_id": null,
... | 1,760,376,948.220468 | ||
https://hackaday.com/2012/02/25/hacking-hack-a-day-with-greasemonkey/ | Hacking Hack A Day With Greasemonkey | Mike Nathan | [
"firefox hacks",
"Misc Hacks"
] | [
"css",
"firefox",
"greasemonkey",
"hackaday"
] | Ever since Hack a Day first emerged on the scene in 2004, the site’s design has been pretty consistent. The black background with its green and white text, while a bit dubious looking at work, is fine by me. For others however, the site’s design is a constant eyesore both figuratively and literally. [James Litton] is o... | 49 | 31 | [
{
"comment_id": "588937",
"author": "M4rc3lv",
"timestamp": "2012-02-25T18:06:15",
"content": "Very funny. I have always used my own Greasemonkey script to do this exact same thing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "588939",
"author": "rue_moh... | 1,760,376,948.736622 | ||
https://hackaday.com/2012/02/25/weekly-roundup-22512/ | Weekly Roundup 2/25/12 | Jack Buffington | [
"News"
] | [] | In case you missed them the first time around, Here are out most popular posts from the past week:
In first place is a post about
a DIY ski lift
that [Darrin] built. Why should you let a strenuous hike back up a snowy hill ruin your day when you can ski down the hill and then ski right back up it again? Way to go [D... | 1 | 1 | [
{
"comment_id": "588902",
"author": "john doe",
"timestamp": "2012-02-25T15:26:42",
"content": "This weekly roundup thing is unnecessary.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,376,948.988271 | ||
https://hackaday.com/2012/02/24/3d-printed-lugs-for-your-custom-bike/ | 3D Printed Lugs For Your Custom Bike | Mike Szczys | [
"3d Printer hacks",
"cnc hacks",
"Laser Hacks"
] | [
"bicycle",
"lug",
"selective laser melting",
"slm"
] | We haven’t heard much about 3D printing using stainless steel as the medium, but that’s exactly what’s going on with t
he lugs used to assemble this bicycle frame
. They’re manufactured using LaserCusing, which is a brand name for parts produced using
Selective Laser Melting
. The video after the break gives you an ove... | 39 | 20 | [
{
"comment_id": "588556",
"author": "hazardous",
"timestamp": "2012-02-25T00:50:19",
"content": "would be awesome to make one but clearly the precision that they are getting with the machines it beyond most of us. [youtubehttp://www.youtube.com/watch?v=ZlbG3jl6xq4&w=640&h=360%5Dplus most people dont... | 1,760,376,948.470981 | ||
https://hackaday.com/2012/02/24/all-pcb-quadcopter-makes-the-most-of-each-component/ | All PCB Quadcopter Makes The Most Of Each Component | Mike Szczys | [
"Robots Hacks"
] | [
"atmega128rfa1",
"pcb",
"quadcopter"
] | It’s difficult to contain our excitement for this
tiny quadcopter project called the Picopter
. [Frank] managed to pull together an impressive collection of features when developing the project. First off, the quadcopter itself uses all-PCB construction. Even the supports for the motors are PCBs with keyed slots to mat... | 31 | 18 | [
{
"comment_id": "588457",
"author": "Nick",
"timestamp": "2012-02-24T23:10:43",
"content": "Great progress so far. Can’t wait to see it in the air.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "588459",
"author": "vonskippy",
"timestamp": "2012-02-24T... | 1,760,376,949.152833 | ||
https://hackaday.com/2012/02/24/touch-based-wirless-rgb-lamp-control/ | Touch-based Wirless RGB Lamp Control | Mike Szczys | [
"LED Hacks"
] | [
"capacitive",
"lamp",
"launchpad",
"msp430",
"rgb",
"touch sensor",
"wireless"
] | [Alex] built an add-on board for his TI launchpad that lets him use it as
a wireless controller for an RGB lamp
(
translated
). As you can see above, the board has a pair of female pin-headers which make it easy to install or remove the board. This way you can use it for other projects without any hassle.
The board its... | 6 | 4 | [
{
"comment_id": "588419",
"author": "Alex",
"timestamp": "2012-02-24T22:15:30",
"content": "Fix the title please.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "588456",
"author": "Will",
"timestamp": "2012-02-24T23:10:14",
"content":... | 1,760,376,949.036913 | ||
https://hackaday.com/2012/02/24/winning-video-games-by-letting-arduino-push-your-buttons/ | Winning Video Games By Letting Arduino Push Your Buttons | Mike Szczys | [
"Arduino Hacks"
] | [
"arduino",
"hid",
"keyboard"
] | [Lars] shows you how to get a perfect score on the first four levels of BIT.TRIP RUNNER by
using an Arduino to time and send button presses
. This is a pretty simple game that uses a couple of buttons to jump or slide past obstacles. The constant speed of the character makes it quite easy to time these movements withou... | 6 | 6 | [
{
"comment_id": "588801",
"author": "Pero",
"timestamp": "2012-02-25T10:25:14",
"content": "You could actually use pure software to simulate key presses :),however this is one badass looking hack =)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "588809",
"... | 1,760,376,949.082648 | ||
https://hackaday.com/2012/02/26/anodize-titanium-at-home/ | Anodize Titanium At Home | Mike Szczys | [
"chemistry hacks"
] | [
"anodize",
"coke",
"coke zero",
"spork",
"titanium"
] | We don’t really have any titanium lying around, it’s not exactly a cheap material. But this hack that shows you
how to anodize titanium in your home
laboratory (or kitchen for that matter) and it might help the metal make its way into a future project. It seems the process is not overly difficult or dangerous and it’s ... | 26 | 15 | [
{
"comment_id": "589540",
"author": "KOTIX",
"timestamp": "2012-02-26T22:51:22",
"content": "“100V to 20V” ??100V to 200V maybe ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "590069",
"author": "HAD",
"timestamp": "2012-02-27T18:08:33",
... | 1,760,376,952.623893 | ||
https://hackaday.com/2012/02/26/adding-footwell-and-glove-box-lights-to-your-ride/ | Adding Footwell And Glove Box Lights To Your Ride | Mike Szczys | [
"LED Hacks",
"Transportation Hacks"
] | [
"glove box",
"glove compartment",
"parking lights"
] | [KonaStar] shows us that adding some light to you car interior isn’t very hard. It’s just a matter finding some unused space and routing the cables so that they’re out of sight. Here he’s
added LED lighting to the footwells and glove box of his car
.
He managed to find some depressions in the molded dashboard of the ca... | 30 | 20 | [
{
"comment_id": "589498",
"author": "Conker",
"timestamp": "2012-02-26T20:57:14",
"content": "Did this in my brothers car with the ikea dioder and custom wiring to get power from the cigarette lighter, blue in the footwells and greny blue in the glove box",
"parent_id": null,
"depth": 1,
... | 1,760,376,952.244562 | ||
https://hackaday.com/2012/02/26/diy-intervalometer-uses-a-great-looking-enclosure/ | DIY Intervalometer Uses A Great Looking Enclosure | Mike Szczys | [
"digital cameras hacks",
"Microcontrollers"
] | [
"12f683",
"intervalometer",
"pic"
] | That finished look for your project is all about the enclosure you find to host it. We think [Punge] really did a great job with the case for
this DIY intervalometer
. The build section of the project page links to the company that makes the enclosures. They’re meant to host round PCBs with several options for button c... | 1 | 1 | [
{
"comment_id": "589481",
"author": "MauiJerry",
"timestamp": "2012-02-26T20:18:46",
"content": "The company making the enclosures is an italian firm,Teko. Their OVO-3 line used in this build is part of thePOCKETseries which includes more conventionally shaped boxes.They seem to use ABS plastic mos... | 1,760,376,952.118953 | ||
https://hackaday.com/2012/02/26/investigating-parking-assist-sensors/ | Investigating Parking Assist Sensors | Mike Szczys | [
"Microcontrollers",
"Transportation Hacks"
] | [
"chevrolet",
"mbed",
"parking assist",
"tahoe",
"ultrasonic"
] | While his wife was out-of-town [James] jumped at the opportunity to do
some snooping around with her Chevy Tahoe’s parking assist sensors
. We can understand how pulling parts out of someone’s car would make them none too happy. But we find it hilarious that it’s a leased company car he’s tinkering around with. But we’... | 14 | 8 | [
{
"comment_id": "589439",
"author": "MaJ",
"timestamp": "2012-02-26T18:16:41",
"content": "I’ve been meaning to give these a try in a project. They can be had on DX (http://www.dealextreme.com/p/black-parking-sensor-radar-kit-dc-12v-24v-10283) for a reasonable price for 4 sensors so you don’t have t... | 1,760,376,952.41549 | ||
https://hackaday.com/2012/02/26/iou-management-for-roommate-chores/ | IOU Management For Roommate Chores | Mike Szczys | [
"home hacks"
] | [
"chores",
"debt",
"dorm",
"roommates"
] | [Chris] shares a dorm room with five other people. When living with others its important to stay on top of cleaning and to do so equitably the sextuplet came up with a well-planned whiteboard of chores. The problem lies in getting everyone to do theirs in a timely manner. To help facilitate this, [Chris] came up with
a... | 7 | 6 | [
{
"comment_id": "589420",
"author": "Iw2",
"timestamp": "2012-02-26T16:57:00",
"content": "What is the purpose of the jar in there?Is it where the money is placed?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "589445",
"author": "Mental2k",
"timestamp... | 1,760,376,952.556924 | ||
https://hackaday.com/2012/02/26/hackaday-links-february-26-2012/ | Hackaday Links: February 26, 2012 | Mike Szczys | [
"Hackaday links"
] | [
"floppy disk",
"laser",
"monotron",
"satellite",
"twitter"
] | Wii Nunchuk controlled Monotron
Adding a bit of motion control to your music synthesizer turns out to be pretty easy. Here’s
an example of a Wii Nunchuk
used to control
a Monotron
. [Thanks John]
Hackers on the Moon and other space related goals
Yep apparently a non-government backed expedition to the moon is in the wo... | 5 | 5 | [
{
"comment_id": "589412",
"author": "Iw2",
"timestamp": "2012-02-26T16:31:36",
"content": "Shouldn’t it be “you’ve got to crawl before you can walk”? Otherwise, thousands of toddlers disprove this every day^^",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5894... | 1,760,376,952.075809 | ||
https://hackaday.com/2012/02/25/giving-old-appliances-a-second-life-with-simple-tweaks/ | Giving Old Appliances A Second Life With Simple Tweaks | Mike Nathan | [
"classic hacks",
"home hacks"
] | [
"blender",
"led",
"lighting",
"repurpose",
"retro"
] | Cruising estate sales can be a total crapshoot – sometimes you find a goldmine, other times nothing but junk. [John Ownby] recently found a sleek-looking old blender at such a sale and decided to take it home. The chrome plated base and fluted glass immediately caught his eye, but he didn’t buy the blender so he could ... | 17 | 11 | [
{
"comment_id": "589031",
"author": "j0z0r",
"timestamp": "2012-02-25T21:21:18",
"content": "I rescue things from Goodwill alla time. I like the vintage or retro looking old stuff. I have a 1940’s radio that I want to make into a web radio, but haven’t had the time. A few things I have turned into l... | 1,760,376,952.176493 | ||
https://hackaday.com/2012/02/24/microcontroller-gives-you-more-control-of-your-camera-lens/ | Microcontroller Gives You More Control Of Your Camera Lens | Mike Szczys | [
"digital cameras hacks"
] | [
"aperture",
"arduino",
"canon",
"eos",
"freeduino",
"lens"
] | Here’s one way to get more control of your camera lenses. [Vladimir] built
an Arduino-based pass-through ring
(
translated
) which intercepts automatic lens controls. It’s meant for use with the Canon EOS lenses which have their own electronics allowing control of things like focus and zoom.
It seems like part of the m... | 12 | 7 | [
{
"comment_id": "588403",
"author": "HAD",
"timestamp": "2012-02-24T21:30:30",
"content": "How does this not change the focal point?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "588405",
"author": "HAD",
"timestamp": "2012-02-24T21:33:54",
... | 1,760,376,952.351912 | ||
https://hackaday.com/2012/02/24/rotating-platform-makes-most-useless-machine-concept-useful/ | Rotating Platform Makes Most Useless Machine Concept Useful | Mike Szczys | [
"Misc Hacks"
] | [
"most useless machine",
"security camera",
"turntable"
] | [Valentin] used a simple concept to
build this auto-reversing rotating platform
. The concept is extremely simple, the leads for the motor are attached to a double-pole double-throw switch which allow the polarity to be reversed. Flip the switch in one direction and it spins clockwise. Flip it in the other direction an... | 13 | 10 | [
{
"comment_id": "588365",
"author": "Kevin",
"timestamp": "2012-02-24T19:41:17",
"content": "I think… someone missed the point of a most useless machine.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "588366",
"author": "Brett W. (FightCube.com)",
"tim... | 1,760,376,952.298343 | ||
https://hackaday.com/2012/02/24/variable-pitch-quadrocopter-flies-upside-down/ | Variable Pitch Quadrocopter Flies Upside Down | Brian Benchoff | [
"Robots Hacks"
] | [
"quadrocopter",
"quadrotor"
] | Straight from the Aerospace Controls Laboratory comes a
variable-pitch quadrocopter
designed by [Mark Cutler] and [Jonathan P. Howe]. While real, full-sized helicopters always have variable pitch rotors, changing the pitch of the blades on remote control aircraft is a fairly uncommon modification. When it’s done right,... | 50 | 19 | [
{
"comment_id": "588295",
"author": "Destate9",
"timestamp": "2012-02-24T17:55:07",
"content": "I’m sorry, Hackaday, I just don’t care about quadrocopters enough to see posts about them every week",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "588299",
... | 1,760,376,952.71433 | ||
https://hackaday.com/2012/02/24/diy-conductive-ink-lets-you-freehand-circuits-on-the-cheap/ | DIY Conductive Ink Lets You Freehand Circuits On The Cheap | Mike Nathan | [
"chemistry hacks",
"News"
] | [
"Chemistry",
"conductive ink",
"formic acid",
"silver acetate"
] | [Jordan] likes the
flexibility that conductive inks offer
(dead link, try
Internet Archive
) when putting together electronic circuits, but says that they are often too expensive to purchase in decent quantities, and that they usually require substrate-damaging temperatures to cure. After reading a UIUC Materials Resea... | 37 | 17 | [
{
"comment_id": "588205",
"author": "Alp_X",
"timestamp": "2012-02-24T15:23:27",
"content": "Wow, great work Jordan! I can imagine many useful areas. I am happy to see how the innovation comes from amateurs rather than profit based companies. hackerspaces are great places for this.",
"parent_id"... | 1,760,376,952.982504 | ||
https://hackaday.com/2012/02/23/autonomous-metal-detector-lets-you-sit-back-get-rich/ | Autonomous Metal Detector Lets You Sit Back, Get Rich | Mike Nathan | [
"Arduino Hacks",
"Robots Hacks"
] | [
"arduino",
"autonomous",
"metal detector",
"radio control"
] | As a kid, metal detectors seemed like great fun. Every commercial I saw beckoned with tales of buried treasure “right in my own back yard” – a bounty hard for any kid to pass up. In reality, the process was both time consuming and tedious, with little reward to be had. [Gareth] liked the idea of scouring the Earth with... | 34 | 20 | [
{
"comment_id": "587905",
"author": "Wm_Atl",
"timestamp": "2012-02-23T23:35:44",
"content": "just need an army of them to comb the beach. Wonder if this could be used for land mind detection and removal.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "58792... | 1,760,376,952.908783 | ||
https://hackaday.com/2012/02/23/a-tv-b-gone-with-a-pic-twist/ | A TV-B-Gone With A PIC Twist | Mike Nathan | [
"Microcontrollers",
"Misc Hacks"
] | [
"adafruit",
"pic",
"porting",
"tv-b-gone"
] | [Kayvon] thought that the TV-B-Gone was a fun little device and wanted to build one, but he didn’t have an AVR programmer handy. Rather than picking up some AVR kit and simply building a replica, he decided to give his PIC skills a workout and build
a Microchip derivative of his own.
The PIC-based TV-B-Gone is pretty s... | 14 | 7 | [
{
"comment_id": "587885",
"author": "ScottInNH",
"timestamp": "2012-02-23T22:36:25",
"content": "This is an oldie, but very nice just the same.It’s always good to see these open projects/kits get ported from 1 micro to another, with full documentation, and not losing features (like power management)... | 1,760,376,953.447617 | ||
https://hackaday.com/2012/02/23/multicolor-reprap-prints-the-really-really-hard-way/ | Multicolor RepRap Prints The Really, Really Hard Way | Brian Benchoff | [
"cnc hacks"
] | [
"3d printing",
"Bowden extruder",
"multicolor",
"reprap"
] | [Adrian Bowyer] just posted his
progress with multicolored printing
to the RepRap blog.
The new developments are a continuation of [Adrian]’s experiments with a
mixer extruder
that squirts four different colored filaments out of the same nozzle. [Myles Corbett] took this idea and ran with it producing the two-color pri... | 17 | 11 | [
{
"comment_id": "587846",
"author": "Kevin",
"timestamp": "2012-02-23T21:12:36",
"content": "This is pretty awesome… much like inkjet… it’s plastijet printing…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "587848",
"author": "NickS",
"timestamp": "201... | 1,760,376,953.201471 | ||
https://hackaday.com/2012/02/22/heatless-compressed-air-dryer/ | Heatless Compressed Air Dryer | Mike Szczys | [
"Hackerspaces",
"Tool Hacks"
] | [
"compressed air",
"desiccant",
"dryer"
] | The pressurized air from a standard air compressor is fine for most uses. But some applications like plasma cutting call for low-humidity air and the hardware available to facilitate this can cost a bundle. [Roland] and his cohorts at TX/RX Labs (a Houston, Texas Hackerspace) just
built this air drying system
.
It work... | 25 | 16 | [
{
"comment_id": "587199",
"author": "Brook Keele",
"timestamp": "2012-02-22T22:03:40",
"content": "“sequesters moister”moister? really? Try moisture. :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "587237",
"author": "boarder2k7",
"timestam... | 1,760,376,953.697007 | ||
https://hackaday.com/2012/02/22/cnc-milled-bicycle-frame-jig/ | CNC Milled Bicycle Frame Jig | Mike Szczys | [
"cnc hacks"
] | [
"bicycle",
"bike",
"frame",
"jig",
"mdf"
] | This
bicycle frame jig is cut from MDF
. It’s the latest in a growing trend that we love to see: the increasing availability of manufacturing techniques for the common hacker. This is a Kickstarter project, and alas it appears the designs are not available for you to cut your own. But we love the potential this shows, ... | 22 | 13 | [
{
"comment_id": "587173",
"author": "Oleksiy",
"timestamp": "2012-02-22T21:11:27",
"content": "On the same subject,VRZ 1. a tack bike frame with 3d printed lugshttp://vimeo.com/34293503",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "587224",
"author"... | 1,760,376,953.335788 | ||
https://hackaday.com/2012/02/22/android-3-1-devices-have-usb-host-mode-heres-how-to-use-it/ | Android 3.1 Devices Have USB Host Mode. Here’s How To Use It. | Mike Szczys | [
"Android Hacks"
] | [
"arduino",
"serial",
"usb host"
] | With the coming of Android 3.1 you finally have the option of using the device as a USB host. This may be through a USB OTG (On-the-Go) adaptor, but nonetheless it’s a feature which was sorely missed until now. [Manuel] put together
a guide on using Android as a USB host
. As you can see, his example hardware is an Ard... | 27 | 17 | [
{
"comment_id": "587144",
"author": "Foxdie",
"timestamp": "2012-02-22T20:08:11",
"content": "Just feel I need to point out, 2.x has had this for certain devices for a while now, my SGS2 for example has had it since the day it was released in the UK when I bought it.Nonetheless, it’s a useful featur... | 1,760,376,953.267869 | ||
https://hackaday.com/2012/02/22/projection-screen-using-latex-paint-and-sand-blasting-beads/ | Projection Screen Using Latex Paint And Sand Blasting Beads | Mike Szczys | [
"home entertainment hacks"
] | [
"glass bead",
"latex paint",
"projection",
"projector",
"sand blasting",
"screen"
] | This method of building your own projection screen is new to us. [Sean Michael Ragan] ran across some sand blasting material made up of minuscule glass beads at Harbor Freight and inspiration struck. He purchased a fifty-pound bag and set out to
see if it could be used with regular latex paint to create a projection sc... | 22 | 16 | [
{
"comment_id": "587111",
"author": "CoolMod",
"timestamp": "2012-02-22T19:04:24",
"content": "Nice. I also love the cat…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "587114",
"author": "bane",
"timestamp": "2012-02-22T19:10:55",
"content": "Sooo... | 1,760,376,953.396834 | ||
https://hackaday.com/2012/02/22/up-your-fpga-game-by-learning-from-this-lcd-control-prototype/ | Up Your FPGA Game By Learning From This LCD Control Prototype | Mike Szczys | [
"Microcontrollers",
"Video Hacks"
] | [
"fpga",
"lcd",
"LQ043T3DX02",
"psp",
"sharp",
"tft"
] | [Cesar] recently got a PSP display up and running with his FPGA development board. That’s a nice project, but what we really like is that he set aside a lot of time to
show how it’s done every step of the way
. This isn’t just a tutorial on that particular screen, but an overview of the skill set needed to get any piec... | 10 | 8 | [
{
"comment_id": "587092",
"author": "Ren",
"timestamp": "2012-02-22T18:09:55",
"content": "16 pins for RGB, +4 for control, +4 for CK, DISP, Hsync, Vsync =20 pins?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "587099",
"author": "Bob Spafford",
"times... | 1,760,376,953.505012 | ||
https://hackaday.com/2012/02/22/retro-hardware-mash-up-spouts-archaic-geekery/ | Retro Hardware Mash-up Spouts Archaic Geekery | Mike Szczys | [
"Video Hacks"
] | [
"arduino",
"buckminster fuller",
"crt",
"tv out"
] | This delightful little box is something only a hacker could love. It uses some
second-hand hardware to display random sayings
attributed to [Buckminster Fuller]. The image above doesn’t do the display justice. There are other photos which show very crisp lettering which is easier to read.
[Autuin] always keeps his eyes... | 15 | 11 | [
{
"comment_id": "587081",
"author": "EccentricElectron",
"timestamp": "2012-02-22T17:53:15",
"content": "This is ART.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "587098",
"author": "F4R4D4Y.dc414",
"timestamp": "2012-02-22T18:25:32",
"content": ... | 1,760,376,953.560863 | ||
https://hackaday.com/2012/02/22/automatic-water-for-your-pets/ | Automatic Water For Your Pets | Kevin Dady | [
"home hacks",
"News"
] | [
"automatic",
"water"
] | If you have livestock or outdoor pets you know how important it is to keep them watered, but also know that sometimes you are not around when the trough runs dry. [Buddy] solves this inconvenience with a trip to the hardware store and some creativity.
The automatic water filler
is made from some PVC pipe, brass fitting... | 35 | 19 | [
{
"comment_id": "587045",
"author": "anti-siphon valve needed",
"timestamp": "2012-02-22T16:45:54",
"content": "You’ll want to put a one-way anti-siphon valve on that – unless you want animal fecal bacteria to make its way back to your drinking water.",
"parent_id": null,
"depth": 1,
"re... | 1,760,376,953.634405 | ||
https://hackaday.com/2012/02/21/live-out-your-inner-animist-with-animatronic-cat-ears/ | Live Out Your Inner Animist With Animatronic Cat Ears | Brian Benchoff | [
"Wearable Hacks"
] | [
"anamatronic",
"cat ears",
"furries",
"servo"
] | While having a great white shark as your spirit animal may sound cool, we’ve found walking around in public wearing a gigantic set of mechanical jaws to be a bit of a hindrance. [abetusk] doesn’t have that problem; he can wear his awesome
animatronic cat ears
anywhere he pleases.
The build was inspired by
these extreme... | 43 | 27 | [
{
"comment_id": "586428",
"author": "Tim",
"timestamp": "2012-02-21T22:05:23",
"content": "Thats the coolest thing ive seen in a long time. Haha",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "586429",
"author": "andrew",
"timestamp": "2012-02-21T22:05:... | 1,760,376,953.901318 | ||
https://hackaday.com/2012/02/21/hacking-together-a-color-changing-water-wall/ | Hacking Together A Color Changing Water Wall | Mike Szczys | [
"LED Hacks"
] | [
"acrylic",
"aquarium",
"arduino",
"lamp",
"led strip",
"rgb",
"syringe",
"weld"
] | [BadWolf’s] girlfriend wanted him to build her a lamp for Christmas and he didn’t disappoint. What he came up with is
a water-filled color changing lamp with bubbles
for added interest. See for yourself in the clip after the jump.
The color changing properties are easily taken care of by some waterproof RGB LED strips.... | 20 | 14 | [
{
"comment_id": "586414",
"author": "Th3badwolf",
"timestamp": "2012-02-21T21:14:33",
"content": "To keep it clean she used some pool stuff before but now she’s trying pure water from the drugstore,it seems to take much mroe time to build tiny depots now.",
"parent_id": null,
"depth": 1,
... | 1,760,376,953.959339 | ||
https://hackaday.com/2012/02/21/data-broacasting-transparency-grenade-ads-whimsy-to-your-meetings/ | Data Broacasting “Transparency Grenade” Ads Whimsy To Your Meetings | Mike Szczys | [
"Misc Hacks"
] | [
"grenade",
"gumstix",
"linux",
"transmit",
"wifi"
] | If you’re tired of underhanded deals going down behind closed doors maybe you need to start carrying around
this transparency grenade
. The enclosure is modeled after a Soviet-era F1 Hand Grenade. But it’s not filled with explosives and won’t send deadly shrapnel around the room. Instead, when the pin is pulled it star... | 11 | 10 | [
{
"comment_id": "586379",
"author": "Steven Hartig",
"timestamp": "2012-02-21T20:15:17",
"content": "What about the description of the shell is confusing? The shell was clearly made using Stereo-lithography and Tusk2700T was the photo polymer resin that was used in the SLA.",
"parent_id": null,
... | 1,760,376,954.011436 | ||
https://hackaday.com/2012/02/21/hidden-bookshelf-switch/ | Hidden Bookshelf Switch | Mike Szczys | [
"home hacks"
] | [
"book",
"dimmer",
"hidden",
"switch"
] | So you don’t have any secret passageways in your house, but if you’ve got a bookshelf
this secret switch can add some fun
to your routine. [Brandon] saw a commercially available version which was out of stock when he went to order so he set out to build his own.
He’s using the switch to operate a lamp. The donor part f... | 20 | 12 | [
{
"comment_id": "586344",
"author": "andrew",
"timestamp": "2012-02-21T19:52:43",
"content": "Make sure you use a push button rated or mains voltage!Hmm.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "586407",
"author": "Nardella",
"timestamp": "2012-0... | 1,760,376,954.135304 | ||
https://hackaday.com/2012/02/21/who-couldnt-use-a-little-more-screen-space/ | Who Couldn’t Use A Little More Screen Space? | Kevin Dady | [
"Peripherals Hacks"
] | [
"lcd",
"linux",
"parallel port"
] | Text LCD’s are handy for any occasion, a printer port on your PC is also darn handy as well. Mix together and add in a splash of linux and you get a very handy
Linux device driver for a 16×2 LCD connected to the parallel port.
Electrically the LCD is wired up in a typical 4 bit mode, this allows the parallel port to us... | 23 | 11 | [
{
"comment_id": "586318",
"author": "vintagepc",
"timestamp": "2012-02-21T18:34:39",
"content": "A little research could have saved a lot of work. LCDProc has been around for ages.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "586323",
"author": "de... | 1,760,376,954.076357 | ||
https://hackaday.com/2012/02/21/tired-of-the-normal-use-for-your-toothbrush-why-not-an-engraving-tool/ | Tired Of The Normal Use For Your Toothbrush? Why Not An Engraving Tool? | Jeremy Cook | [
"Tool Hacks"
] | [
"engraving tool",
"reuse",
"toothbrush"
] | Hardware hackers and makers like us may not be well known for our excellent hygiene habits, but after
[Dan]’s creation
, no one can claim he doesn’t know how to use one! Either out of a total disdain for tooth care, or hopefully, after using one properly for many months, [Dan] decided to turn his electric toothbrush in... | 10 | 9 | [
{
"comment_id": "586258",
"author": "Isotope",
"timestamp": "2012-02-21T16:10:02",
"content": "FYI, if you are looking to build this to save money, just spend the $8 and get this one that can engrave glass:http://www.harborfreight.com/micro-engraver-98227.html(I have it and it works well enough)then... | 1,760,376,954.182222 | ||
https://hackaday.com/2012/02/21/flash-an-arduino-from-an-sd-card/ | Flash An Arduino From An SD Card | Brian Benchoff | [
"Arduino Hacks"
] | [
"arduino",
"avrdude",
"sd card"
] | [Kevin] has been working on reverse engineering the protocol used by the Arduino IDE and porting it to the Arduino platform. Now that his
BootDrive
project is nearing completion, he’s ready to give every Arduino the ability to program another Arduino over an SD card.
BootDrive isn’t terribly different from using an
Ard... | 30 | 14 | [
{
"comment_id": "586229",
"author": "Daid",
"timestamp": "2012-02-21T15:12:01",
"content": "FYI: The Arduino is using the stk500v1 protocol, except for the ArduinoMega2560 which uses the stk500v2 protocol. And every Arduino type uses a different baudrate. No reverse engineering needed, these protoco... | 1,760,376,954.253404 | ||
https://hackaday.com/2012/02/20/handheld-cnc-fabrication/ | Handheld CNC Fabrication | Brian Benchoff | [
"cnc hacks"
] | [
"cnc",
"dremel"
] | While loading a 3D model into a CNC program and letting a machine go to town on a piece of stock is awesome, there’s a lot to be said about the artistry, craftsmanship and tactile feedback of carving a project by hand. [Amit Zoran] and [Joe Paradiso] created a nice bridge between these two approaches with their hand-he... | 34 | 13 | [
{
"comment_id": "585501",
"author": "gmcurrie",
"timestamp": "2012-02-20T16:12:28",
"content": "That’s great – was thinking about possibility of a similar setup a while ago, but hadn’t fully sussed the possible ways of constraining the operator’s movements – (was thinking along lines of a robot arm ... | 1,760,376,954.325759 | ||
https://hackaday.com/2012/02/19/bringing-the-stars-to-your-baby/ | Bringing The Stars To Your Baby | Caleb Kraft | [
"home hacks"
] | [
"night light",
"stars"
] | [Zach] saw a stuffed animal that projected some simple stars on the ceiling. This gave him an idea that
he could build a tiny star projector
for his 3 month old daughter’s room. The idea is to put an LED inside a ping pong ball with tiny holes and rotate it slowly.
The electronics are fairly strait forward. He’s using... | 35 | 27 | [
{
"comment_id": "585095",
"author": "EccentricElectron",
"timestamp": "2012-02-19T20:23:03",
"content": "s/strait/straight",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "585097",
"author": "Th3badwolf",
"timestamp": "2012-02-19T20:30:28",
"content"... | 1,760,376,954.458897 | ||
https://hackaday.com/2012/02/19/hackaday-links-february-19-2012/ | Hackaday Links: February 19, 2012 | Brian Benchoff | [
"Hackaday links"
] | [
"3d printer",
"anamusic",
"nerf",
"psu",
"quadrocopter"
] | Industrial control robot band
Remember
Animusic
, a series of videos featuring computer-generated, highly implausible instruments? Intel
made their own
to demo their industrial control tech. From the looks of things, we’re putting money on a bunch of MIDI triggers bolted onto plastic panels; now it’s slightly less imp... | 16 | 11 | [
{
"comment_id": "585037",
"author": "Daid",
"timestamp": "2012-02-19T17:26:23",
"content": "The nerf gun is most likely absent from thingiverse because they have a no weapons policy.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "585087",
"author": "... | 1,760,376,954.3867 | ||
https://hackaday.com/2012/02/19/ask-hackaday-did-you-catch-the-grammys/ | Ask Hackaday: Did You Catch The Grammys? | Brian Benchoff | [
"Ask Hackaday"
] | [
"Ask Hackaday",
"grammys",
"led"
] | Although award shows aren’t necessarily our thing, [T. D.] sent in something that piqued our interest. His friends recently got back from the Grammy awards where they witnessed thousands of LED bracelets blinking in time to a performance by Coldplay. A little bit of YouTubing pulled up
this video
that demonstrates the ... | 82 | 50 | [
{
"comment_id": "585005",
"author": "Nomad",
"timestamp": "2012-02-19T16:18:55",
"content": "There seems to be something on the backside judging from Circuitboard design. Obviously a two-layer board.Are there pics of the backside?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,376,954.702524 | ||
https://hackaday.com/2012/02/19/the-panic-button-saves-you-from-bad-music/ | The PANIC Button Saves You From Bad Music | Caleb Kraft | [
"Peripherals Hacks"
] | [
"music",
"panic"
] | Having a communal music collection being played on random can be really fun. You experience new music and get to hear old favorites. However, not everyone shares the same taste. Sometimes, you absolutely need to just skip the song coming on, for the sake of everyone involved. That was how
the Panic button was born
.
St... | 15 | 11 | [
{
"comment_id": "585000",
"author": "Jmicz",
"timestamp": "2012-02-19T16:01:50",
"content": "YES! I need one of these.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "585003",
"author": "santeri",
"timestamp": "2012-02-19T16:14:00",
"content": "wher... | 1,760,376,954.584912 | ||
https://hackaday.com/2012/02/18/weekly-roundup-21812/ | Weekly Roundup 2/18/12 | Jack Buffington | [
"News"
] | [] | In case you missed them the first time around, here are our most popular posts from the previous week:
Our most read post is one about
[Ben’s] project where he created an electric motorcycle that has a range of 20 miles
. This is a pretty comprehensive tutorial that goes into some good detail about what you will need... | 0 | 0 | [] | 1,760,376,954.741941 | ||
https://hackaday.com/2012/02/18/control-a-playlist-with-your-mind/ | Control A Playlist With Your Mind | Brian Benchoff | [
"Peripherals Hacks"
] | [
"eeg",
"mindflex",
"mindwave",
"neurosky"
] | Because switching apps to change a song is such a taxing ordeal, [Oscar Celma] and [Ching-Wei Chen] decided to use their collective brainpower to
change Last.FM playlists with their minds
. They call their project Buddhafy, and it works by taking off-the-shelf EEG hardware and tying it into music streaming APIs.
For th... | 9 | 6 | [
{
"comment_id": "584589",
"author": "aztraph",
"timestamp": "2012-02-18T18:58:10",
"content": "he got rick rolled! ;P",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "584657",
"author": "Thatcher",
"timestamp": "2012-02-18T21:53:58",
"... | 1,760,376,954.885138 | ||
https://hackaday.com/2012/02/20/laser-spirograph-exhibit-repair-and-upgrade/ | Laser Spirograph Exhibit Repair And Upgrade | Mike Szczys | [
"Laser Hacks",
"Repair Hacks"
] | [
"exhibit",
"galvanometer",
"laser",
"museum",
"spirograph"
] | [Bill Porter] continues finding ways to help out at the local museum. This time he’s plying his skills to fix a twenty-year-old exhibit that has been broken for some time. It’s
a laser spirograph which had some parts way past their life expectancy
.
He started by removing all of the electronics from the cabinet for fur... | 7 | 4 | [
{
"comment_id": "585924",
"author": "Hirudinea",
"timestamp": "2012-02-21T05:32:13",
"content": "“We control the horizontal, we control the vertical…”, mabye when this thing needs to be fixed in another 20 years the hacker to do it will have been inspired to have gotten into hacking by playing with ... | 1,760,376,954.933509 | ||
https://hackaday.com/2012/02/20/get-neck-deep-into-zigbee/ | Get Neck-deep Into ZigBee | Mike Szczys | [
"Microcontrollers",
"Wireless Hacks"
] | [
"tutorial",
"wireless",
"xbee",
"zigbee"
] | Here’s a bulky tutorial that will
round-out your understanding of ZigBee wireless communications
(
translated
). The protocol is great for hobby electronics projects because it uses low-power short range wireless devices to build a mesh network. The guide covers both hardware and software, but also takes the time to ex... | 11 | 9 | [
{
"comment_id": "585837",
"author": "Westdegrees",
"timestamp": "2012-02-21T03:34:15",
"content": "Its it Spanish?? Wtf?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "585840",
"author": "Westdegrees",
"timestamp": "2012-02-21T03:35:47",
"content"... | 1,760,376,954.982142 | ||
https://hackaday.com/2012/02/20/repair-a-misbehaving-motor-controller-board/ | Repair A Misbehaving Motor Controller Board | Mike Szczys | [
"Repair Hacks"
] | [
"lathe",
"motor controller",
"pwm",
"reverse engineering"
] | It can be a real drag to fix a circuit board which has stopped working as intended, especially if you don’t have any reference material for the product. That’s the position that [Todd Harrison] found himself in when the controller for his mini-lathe gave up the ghost. He undertook and hefty repair process and eventuall... | 10 | 8 | [
{
"comment_id": "585678",
"author": "Hackerspacer",
"timestamp": "2012-02-20T23:01:08",
"content": "This is pretty amazing troubleshooting and one can’t fault Todd’s tenacity. But why didn’t he just buy a replacement board instead of spend a year fixing this one, unless he really, really enjoyed the... | 1,760,376,956.634982 | ||
https://hackaday.com/2012/02/20/sony-google-tv-devices-running-unsigned-kernels/ | Sony Google TV Devices Running Unsigned Kernels | Mike Szczys | [
"Security Hacks"
] | [
"downgrade",
"exploit",
"google tv",
"gtv",
"kernel",
"root",
"sony"
] | The proud cry of “I am root” rings true once again, this time on Sony Google TV devices. Although a low-level exploit was found on previous firmware versions,
a downgrade process lets you run unsigned kernels
on updated TV or Bluray models of the Internet streaming devices.
These systems are Android-based, which curren... | 18 | 5 | [
{
"comment_id": "585641",
"author": "Hackerspacer",
"timestamp": "2012-02-20T21:45:35",
"content": "Can somebody fill me in as to why this is useful? Android is a reasonable OS but it isn’t as flexible as, say, Debian or even Windows.So you can root these GTV’s – which is nice – but then what? You h... | 1,760,376,957.099361 | ||
https://hackaday.com/2012/02/20/512k-sram-board-for-your-next-prototyping-run/ | 512k SRAM Board For Your Next Prototyping Run | Mike Szczys | [
"Microcontrollers"
] | [
"dorkbotpdx",
"memory",
"sram"
] | Find you’re running out of memory and paying for more expensive chips just to plug this feature gap? Many of the upper offering of chips have the option of adding SRAM thanks to an on-chip hardware feature, but if you don’t have that
this 512k SRAM add-on board
can be used with any chip that has 13 extra I/O pins avail... | 8 | 6 | [
{
"comment_id": "585589",
"author": "peter",
"timestamp": "2012-02-20T19:24:41",
"content": "i could blink so many more LEDs if i had one of these…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "585605",
"author": "wardy",
"timestamp": "2012-02-20T19:4... | 1,760,376,956.770375 | ||
https://hackaday.com/2012/02/20/robot-overlords-require-chores-in-return-for-technological-access/ | Robot Overlords Require Chores In Return For Technological Access | Mike Szczys | [
"Hackerspaces"
] | [
"artificial intelligence",
"home automation",
"lvl1",
"mother"
] | Looks like you might not be fully immersed in the digital world if you didn’t complete your chores. The members of the LVL1 Hackerspace have put together a lot of automation for their lair, but nothing drives home the utility of the system they call MOTHER like
the shenanigan-preventing trash removal system
. Or in lay... | 21 | 8 | [
{
"comment_id": "585566",
"author": "Joe",
"timestamp": "2012-02-20T18:48:09",
"content": "Guess I’m lucky for having a natural “I don’t want piles of filth around me” motivation for taking the trash out.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "585574... | 1,760,376,956.977061 | ||
https://hackaday.com/2012/02/20/dick-tracys-watch-gets-night-vision/ | [Dick Tracy]’s Watch Gets Night Vision | Brian Benchoff | [
"Android Hacks",
"Kinect hacks"
] | [
"android watch",
"Kinect"
] | After getting his hands on an Android-enabled wristwatch, [Paul] wanted to test the limits of his new hardware. We’ll assume he’s happy with his purchase because his finished build sends data from a
Microsoft Kinect to his wristwatch
, making it a night vision spy watch.
[Paul]’s new toy is a
WIMM One
Android wristwatc... | 8 | 7 | [
{
"comment_id": "585519",
"author": "CRJEEA",
"timestamp": "2012-02-20T16:45:30",
"content": "Amazing what can be done with today’s technology, can’t wait to see what the next few decades bring. (It is a shame the technology is scheduled to be purposely held back for the sake of profit but hopefully... | 1,760,376,956.91626 | ||
https://hackaday.com/2012/02/18/edge-lit-nixie-tube-is-sheer-brilliance/ | Edge-lit Nixie Tube Is Sheer Brilliance | Brian Benchoff | [
"LED Hacks"
] | [
"edge-lit",
"nixie"
] | It’s not often that we see something so brilliantly simple we’re left reaching for our checkbooks while wondering exactly how we never though of that before. [Jürgen]’s
edge-lit Nixie display
is one of those builds.
[Jürgen]’s modern take on a Nixie display uses ten laser-engraved pieces of acrylic to emulate a Nixie n... | 30 | 21 | [
{
"comment_id": "584522",
"author": "svofski",
"timestamp": "2012-02-18T16:11:20",
"content": "This is very beautiful and very cleanly executed.I protest against using the name “nixie” for these indicators though. Nixies are gas discharge tubes, nothing else.",
"parent_id": null,
"depth": 1,... | 1,760,376,957.161311 | ||
https://hackaday.com/2012/02/17/wedding-gift-fail-has-happy-couple-cursing-your-name/ | Wedding Gift Fail Has Happy Couple Cursing Your Name | Mike Szczys | [
"Misc Hacks"
] | [
"cash",
"gift",
"lamp",
"sugar",
"wedding"
] | [Superluminal] received an invite to his friend’s wedding. He got together with some mutual acquaintances to take up a collection as a wedding gift. But as things go, a suitable present couldn’t be found. The pooled money itself ended up being the gift, but apparently a greeting card with a money pocket inside of it wa... | 41 | 27 | [
{
"comment_id": "584245",
"author": "Addidis",
"timestamp": "2012-02-17T22:44:03",
"content": "Looks like a mortar mixer. Big heavy duty two handed “drill” for mixing mortar or cement or similar.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "584246",
"aut... | 1,760,376,956.719062 | ||
https://hackaday.com/2012/02/17/collimated-displays-wrap-around-that-home-cockpit/ | Collimated Displays Wrap Around That Home Cockpit | Mike Szczys | [
"Video Hacks"
] | [
"collimated",
"display",
"flight simulator"
] | We don’t recall having heard the term ‘collimated display’ before, but we’ve seem them in action. These are mirrored projection display that give the viewer a true peripheral vision experience thanks to well-designed optics. Here is a project that [Rob] and [Wayne] have put a ton of time into. It’s their own version of... | 26 | 15 | [
{
"comment_id": "584236",
"author": "Andrew Collier",
"timestamp": "2012-02-17T22:15:14",
"content": "http://www.youtube.com/watch?v=4R2bcZ-3eX8&list=UUpSdEDGUppf-I8SUMXjPBZQ&index=2&feature=plcpthe team from your youtube example built a large one too and it works really well.",
"parent_id": nul... | 1,760,376,957.041932 | ||
https://hackaday.com/2012/02/17/hacking-an-ac-outlet-timer-for-project-use/ | Hacking An AC Outlet Timer For Project Use | Mike Szczys | [
"clock hacks"
] | [
"ac",
"rtc",
"timer"
] | [Karl] needed a programmable real-time clock for one of his projects. He considered adding an RTC chip, LCD screen, and some buttons for use with a microcontroller. That’s not necessarily hard, but it takes time and can be considered a project in itself. Instead, he headed to the hardware store to look for a cheap solu... | 3 | 3 | [
{
"comment_id": "584237",
"author": "Marshkillz",
"timestamp": "2012-02-17T22:17:19",
"content": "I did something similar to this a couple years ago. had scavenged the timer circuitry out of a old microwave oven which was being thrown out and hooked it up to control a heated bed sheet. (which only h... | 1,760,376,956.871256 | ||
https://hackaday.com/2012/02/17/wire-loop-game-penalizes-for-touches-by-shrinking-your-wand/ | Wire Loop Game Penalizes For Touches By Shrinking Your Wand | Mike Szczys | [
"Arduino Hacks"
] | [
"arduino",
"buzz",
"conductive",
"operation",
"wire"
] | We really like
this take on a conductive wire maze game
. It’s the result of a 48-hour hackathon in Belgium which required that all projects stemming from the event use an Arduino. We think [Jan] and [Kristof] made perfect use of the prototyping device in the time allotted. The event organizers thought so too because t... | 3 | 3 | [
{
"comment_id": "584195",
"author": "Kristof",
"timestamp": "2012-02-17T20:14:03",
"content": "Nice to see our project here :)But there’s a litle mistake in this article… The ring doesn’t shrink at a checkpoint… it GROWS to it’s initial size… It starts automatically shrinking when you start.If you t... | 1,760,376,956.819886 | ||
https://hackaday.com/2012/02/17/kicad-symbol-generating-script-shows-promise/ | Kicad Symbol Generating Script Shows Promise | Mike Szczys | [
"Tool Hacks"
] | [
"KiCAD",
"library",
"python",
"xml"
] | Kicad is a fantastic PCB layout tool. We think creating a part for use with Kicad is in many ways easier than in Eagle, but it never hurts to have a few shortcuts. Here’s a new way to quickly get your parts into the schematic editor. It’s
a Python script that generates symbols from an XML input
file. You create the XML... | 17 | 10 | [
{
"comment_id": "584051",
"author": "Juan Grez",
"timestamp": "2012-02-17T15:22:15",
"content": "Hi.Great tweak, I have used Kicad for several years, I used several Orcad since MSDOS versions and Protel, but now I’m pretty happy with Kicad.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,376,957.259359 | ||
https://hackaday.com/2012/02/16/rapid-fire-update-brings-many-new-features/ | Rapid Fire Update Brings Many New Features | Mike Szczys | [
"Xbox Hacks"
] | [
"attiny85",
"controller",
"rapid fire",
"xbox 360"
] | [Shawn McCombs] has been spending some time
refining his Xbox 360 rapid fire hack
. This time around he’s got a lot more features, many of which we haven’t really seen before.
When we looked at
the original project
he had added an ATtiny85 which read a potentiometer to set the rapid fire speed for one of the buttons. T... | 24 | 14 | [
{
"comment_id": "583725",
"author": "Gdogg",
"timestamp": "2012-02-17T00:17:46",
"content": "I’m not sure I would put the work of someone who can’t spell “Thief” into my $60 controller. Like I said last time, there are better ones around.He’s keeping the reset pin floating and using seemingly random... | 1,760,376,957.425351 | ||
https://hackaday.com/2012/02/16/384-led-ball-receives-animation-wirelessly-and-knows-its-orientation/ | 384-LED Ball Receives Animation Wirelessly And Knows Its Orientation | Mike Szczys | [
"LED Hacks"
] | [
"ball",
"led",
"null space labs",
"pcb"
] | We get a ton of tips about Kickstarter projects. Here is a great example of what we need to see in order to feature one of them. This LED Blinky Ball developed by Null Space Labs is the target of a rather ambitious fundraising campaign. But in addition to the fundraising write-up
they’ve shared extensive details about ... | 40 | 16 | [
{
"comment_id": "583678",
"author": "charliex",
"timestamp": "2012-02-16T22:36:12",
"content": "Thanks mike/hackaday !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "583687",
"author": "Zee",
"timestamp": "2012-02-16T23:00:08",
"content": "Is Nikol... | 1,760,376,957.603419 | ||
https://hackaday.com/2012/02/16/microswitch-keyboard-gives-those-lazy-thumbs-a-workout/ | Microswitch Keyboard Gives Those Lazy Thumbs A Workout | Mike Szczys | [
"Peripherals Hacks"
] | [
"keyboard",
"microswitch"
] | Upon first sight there will be no doubt in anyone’s mind that
this is a hacker’s keyboard
. [Tim Tyler] built the odd-looking conglomeration of keys a few years ago with the goal of improving the man-machine interface. Why waste all that thumb space with just one long keyboard when you can have at least nine keys per t... | 23 | 14 | [
{
"comment_id": "583642",
"author": "Sobiguy",
"timestamp": "2012-02-16T21:43:08",
"content": "If they don’t find it handsome at least they’ll find it handy..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "583645",
"author": "turbochris",
"timestamp": ... | 1,760,376,957.670554 | ||
https://hackaday.com/2012/02/16/arduino-saves-you-a-bundle-when-it-comes-to-guitar-pedal-effects/ | Arduino Saves You A Bundle When It Comes To Guitar Pedal Effects | Mike Szczys | [
"Musical Hacks"
] | [
"guitar peda",
"midi",
"whammy 4"
] | [Deadbird] wanted to recreate some guitar pedal effects that he heard on a music video. The thing is, you can end up spending a bundle on hardware unless you’re crafty like he was. He grabbed a Whammy 4 pedal, but decided to forego using a $125 MIDI controller and
sourced an Arduino to perform MIDI-based alterations in... | 10 | 4 | [
{
"comment_id": "583625",
"author": "Paul",
"timestamp": "2012-02-16T21:34:06",
"content": "Hmmmm… the article shows a Duemilanove diagram, but the actual code uses “Serial3” throughout. Maybe it was actually written on an Arduino Mega board?",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,376,957.848474 | ||
https://hackaday.com/2012/02/16/build-an-electric-motorcycle/ | Build An Electric Motorcycle | Brian Benchoff | [
"Transportation Hacks"
] | [
"electric motorcycle"
] | On the list of things we’ll build ‘when we get a few free weekends,’ an electric motorcycle is right at the top. With a 20-mile range, they may not be as versatile as a car or truck, but we can’t imagine a vehicle better suited for making a quick jaunt around town. [Ben Nelson] just finished his electric motorcycle an... | 46 | 20 | [
{
"comment_id": "583512",
"author": "Th3badwolf",
"timestamp": "2012-02-16T17:46:32",
"content": "Sweet stuff!I own a KZ550 84 myself,should try this someday!I am more interested by the second bike,the kawasaki 72V Li one featured on the second video,anyone has info on this? Build log,pics,specs?",
... | 1,760,376,957.993595 | ||
https://hackaday.com/2012/02/16/happy-late-lit-acrylic-valentines-day/ | Happy Late Lit Acrylic Valentines Day | Jeremy Cook | [
"Holiday Hacks"
] | [
"acrylic",
"lighting",
"Valentines day"
] | Although
[Danman]
was right on time with his home-hacked Valentines day gift, this article comes to you a little late. With the message on the heart changed, however, it could be a perfect “Sorry I forgot Valentines Day again” gift, so it may still be useful.
The concept isn’t that complicated, simply a strip of LED li... | 12 | 4 | [
{
"comment_id": "583442",
"author": "danman1453",
"timestamp": "2012-02-16T15:25:10",
"content": "Is there an interest in the electric toothbrush hack?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "583448",
"author": "Carlos",
"timestamp": "... | 1,760,376,957.790731 | ||
https://hackaday.com/2012/02/15/tablet-cover-from-old-hardcover-books/ | Tablet Cover From Old Hardcover Books | Mike Szczys | [
"Tablet Hacks"
] | [
"cover",
"ipad",
"kindle",
"tablet"
] | Here’s a way to look hip and destroy books at the same time. This
table cover is made from an old hardcover book
. It’s not difficult to do, an afternoon is all it takes, and if you follow all of the instructions we’d bet this will hold up for a long time.
It’s basically another version of
the Moleskine cover for the K... | 17 | 13 | [
{
"comment_id": "583149",
"author": "Gdogg",
"timestamp": "2012-02-16T01:08:09",
"content": "first link: s/table/tablet",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "583158",
"author": "Hirudinea",
"timestamp": "2012-02-16T01:23:35",
"content": "N... | 1,760,376,957.904105 | ||
https://hackaday.com/2012/02/15/a-lot-of-love-went-into-this-glowing-valentine/ | A Lot Of Love Went Into This Glowing Valentine | Mike Szczys | [
"Holiday Hacks"
] | [
"acrylic",
"led",
"rgb",
"valentine"
] | [Will] didn’t pick up a card, rose, and bottle of wine for Valentine’s Day like most guys. Nope, he planned way ahead and
built this color-selectable glowing Valentine
. When we first saw it, we figured he threw some LEDs together with a microcontroller and edge-lit a piece of acrylic. While that is technically what ha... | 12 | 8 | [
{
"comment_id": "583189",
"author": "t&p",
"timestamp": "2012-02-16T02:27:48",
"content": "Nice job. I like it.Just one thing that bugs me though… Why advertise a web site on the pcb if this is going to the girlfriend?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comme... | 1,760,376,957.729696 | ||
https://hackaday.com/2012/02/15/space-its-a-junkyard-until-the-swiss-get-their-way/ | Space; It’s A Junkyard Until The Swiss Get Their Way | Mike Szczys | [
"Robots Hacks"
] | [
"debris",
"garbage",
"space"
] | The Swiss plan to clean up the near-space environment. They just announced
a debris removal device which they plan to launch
in three to five years. The first goal of the program is to scoop up two satellites. Both of them are Swiss owned, but there’s
something very James Bond like
that pops into our heads when we hear... | 52 | 25 | [
{
"comment_id": "583086",
"author": "Nomad",
"timestamp": "2012-02-15T23:17:30",
"content": "Somehow reminds me of Wall-EIt would be a nice thing if the machine could grab some junk and shoot it at a controlled angle towards earth so only said junk lands in some ocean/desert, but the robot still cou... | 1,760,376,958.085086 | ||
https://hackaday.com/2012/02/15/hexbug-code-rewrite-makes-it-a-walking-line-follower/ | Hexbug Code Rewrite Makes It A Walking Line-follower | Mike Szczys | [
"Toy Hacks"
] | [
"hexbug",
"infrared",
"ir",
"line following",
"reflectance"
] | You know you’ve got a good hardware platform if you can easily repurpose it with a code rewrite. And that’s what [Eric] continues to do with these little Hexbugs. This time around he’s bent the IR emitter and receiver downward to use as a reflectance sensor. This
gives it the ability to follow a dark line
on a light su... | 3 | 3 | [
{
"comment_id": "583146",
"author": "jim",
"timestamp": "2012-02-16T00:46:24",
"content": "it’s adorable!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "583269",
"author": "johntash",
"timestamp": "2012-02-16T05:29:19",
"content": "I still want one... | 1,760,376,958.126862 | ||
https://hackaday.com/2012/02/15/intro-to-phase-locked-loops/ | Intro To Phase-Locked Loops | Mike Szczys | [
"Misc Hacks"
] | [
"cd4046",
"kenneth finnegan",
"phase-locked loop",
"PLL"
] | [Kenneth Finnegan] put up
a lengthy primer on PLLs
(Phase-Locked Loops). We really enjoyed his presentation (even the part where he panders to Rigol for a free scope… sign us up for one of those too). The concepts behind a PLL are not hard to understand, and [Kenneth] managed to come up with a handful of different demo... | 18 | 14 | [
{
"comment_id": "583016",
"author": "jc",
"timestamp": "2012-02-15T21:25:31",
"content": "Great stuff ! thanks :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "583029",
"author": "Gdogg",
"timestamp": "2012-02-15T21:59:06",
"content": "This could ... | 1,760,376,958.187945 | ||
https://hackaday.com/2012/02/15/3d-printer-software-tutorials/ | 3d Printer Software Tutorials | Brian Benchoff | [
"cnc hacks",
"Teardown"
] | [
"Alibre3D",
"replicator G",
"sfact",
"skeinforge"
] | It’s no secret that the 3D printer community is extremely fragmented. With three models of RepRaps, three printer kits from Makerbot, and hundreds of ‘printers of the week,’ it’s extremely frustrating for beginners to wrap their heads around the pros and cons of each machine. The software for these printers is segmente... | 10 | 7 | [
{
"comment_id": "582989",
"author": "Regulus",
"timestamp": "2012-02-15T20:16:36",
"content": "Hitting all of the permutations of software would be nearly impossible, but here’s hoping someone does some nice videos for Slic3r and possibly Pronterface.",
"parent_id": null,
"depth": 1,
"re... | 1,760,376,958.241599 | ||
https://hackaday.com/2012/02/15/etching-pcbs-with-vinegar/ | Etching PCBs With Vinegar | Mike Szczys | [
"chemistry hacks"
] | [
"copper",
"etchant",
"hydrogen peroxide",
"pcb",
"salt",
"vinegar"
] | When we hear about etching PCBs at home we assume that either Ferric Chloride or Cupric Chloride were used to eat away unmasked copper from the boards. But [Quinn Dunki] just wrote up
her PCB etching guide
and she doesn’t use either of those. Instead, she combines vinegar, hydrogen peroxide, and salt. It’s easier to fi... | 71 | 31 | [
{
"comment_id": "582959",
"author": "Ian",
"timestamp": "2012-02-15T18:45:18",
"content": "From my understanding, this process results in the formation of copper(II) chloride and sodium acetate. Sodium acetate is a common food additive – see salt and vinegar potato chips. The copper ion is of the sa... | 1,760,376,958.45996 | ||
https://hackaday.com/2012/02/15/building-a-keyboard-from-scratch/ | Building A Keyboard From Scratch | Brian Benchoff | [
"Peripherals Hacks"
] | [
"keyboard",
"Teensy"
] | After over a year of work, [dmw] is nearly done with his
Humble Hacker Keyboard
. It’s a keyboard that has been influenced by some pretty
crazy looking designs
, but meets all of [dmw]’s needs for a compact, programmer-oriented key layout that’s easy to type on.
[dmw] posted a
pseudo-build log
over at the geekhack keyb... | 46 | 23 | [
{
"comment_id": "582899",
"author": "Arnold",
"timestamp": "2012-02-15T16:44:33",
"content": "Once you try the IBM Model M, you just can’t let yourself use any other keyboard!!!Also, hitting space ONLY with your right thumb doesn’t seem to ergonomic to me…",
"parent_id": null,
"depth": 1,
... | 1,760,376,958.668919 | ||
https://hackaday.com/2012/02/14/improving-your-flight-sim-experience-with-hall-effect-sensors/ | Improving Your Flight Sim Experience With Hall Effect Sensors | Mike Nathan | [
"computer hacks",
"Misc Hacks"
] | [
"flight simulator",
"gimbal",
"hall effect sensor",
"potentiometer",
"repair"
] | [Gene Buckle] built himself a nice custom cockpit for playing Flight Simulator, but during use he found that the gimbal he constructed for the pitch and roll controls
was nearly unusable.
He narrowed the problem down to the potentiometers he used to read the angle of the controls, so he set off to find a suitable and m... | 26 | 9 | [
{
"comment_id": "582484",
"author": "Tim",
"timestamp": "2012-02-15T00:31:32",
"content": "It sounds like maybe he had a bad case of electrical noise… All video game controllers commonly use pots without issue.Still, pots do suck pretty hard compared to this or an encoder, so huzzah.",
"parent_i... | 1,760,376,958.343981 | ||
https://hackaday.com/2012/02/13/altsoftserial-looks-to-speed-up-arduino-software-uart/ | AltSoftSerial Looks To Speed Up Arduino Software UART | Mike Szczys | [
"Arduino Hacks"
] | [
"serial",
"uart",
"usart"
] | So let’s say your using an Arduino in your project. You already have the hardware-based serial interface working with one portion of the project and need a second serial port for unrelated hardware. The obvious solution is to write one in software. But this is a place where working in the Arduino environment gets reall... | 42 | 18 | [
{
"comment_id": "581884",
"author": "Alex Rossie",
"timestamp": "2012-02-13T22:20:19",
"content": "I always have this problem.Does former mean current or previous? and please don’t reply with “the former” or “the latter”.",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,376,958.859622 | ||
https://hackaday.com/2012/02/13/connecting-a-dumb-scale-to-your-smartphone/ | Connecting A Dumb Scale To Your Smartphone | Mike Szczys | [
"Android Hacks",
"home hacks"
] | [
"bathroom",
"bluetooth",
"scale"
] | [Casainho] wanted to track his body weight using an app on his Android phone. He just needed a way to get the weight readings onto the device automatically. He ended up
adding Bluetooth to a bathroom scale and hacking the app to grab data from it
.
The scale which he hacked is a digital model, which makes it possible t... | 6 | 5 | [
{
"comment_id": "581979",
"author": "Hirudinea",
"timestamp": "2012-02-14T01:50:59",
"content": "He should also make this work with an iPhone app, nothing like Siri calling you a fat ass.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "581984",
"author": "E... | 1,760,376,958.713841 | ||
https://hackaday.com/2012/02/13/fill-in-the-bass-on-your-psp/ | Fill In The Bass On Your PSP | Mike Szczys | [
"PSP Hacks"
] | [
"lm386",
"op-amp",
"sony",
"speaker"
] | [Michael Chen] felt the sound his PSP was putting out needed more dimension. Some would have grabbed themselves a nice set of headphones, but he grabbed his soldering iron instead and
found some space where he could add a bigger speaker
.
Mobile devices tend to cram as much into the small form factor as possible so we’... | 15 | 9 | [
{
"comment_id": "581813",
"author": "dacap",
"timestamp": "2012-02-13T19:35:48",
"content": "is it possible the magnet will corrupt data on the memory card?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "581830",
"author": "Simon Inns",
"time... | 1,760,376,958.769771 | ||
https://hackaday.com/2012/02/13/wireless-controllers-for-all-your-retro-systems/ | Wireless Controllers For All Your Retro Systems | Brian Benchoff | [
"classic hacks",
"Peripherals Hacks"
] | [
"n64",
"nes",
"Sega Saturn",
"snes",
"wireless controller"
] | Remember those old wireless controllers made for the consoles of our youth like the NES and Super Nintendo? They didn’t work well, mostly owing to the fact they were built using the same infrared technology that is found in a remote control. Now that all the modern consoles are wireless, [micro] over at the nftgames fo... | 24 | 18 | [
{
"comment_id": "581784",
"author": "Tim",
"timestamp": "2012-02-13T18:21:56",
"content": "Genius",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "581786",
"author": "Paul",
"timestamp": "2012-02-13T18:25:18",
"content": "Charging IC’s are pretty dam... | 1,760,376,959.131808 | ||
https://hackaday.com/2012/02/13/gold-leaf-circuit-board/ | Gold Leaf Circuit Board | Mike Szczys | [
"Hackerspaces",
"Microcontrollers"
] | [
"gold leaf",
"msp430",
"msp430g2211",
"paper",
"pcb",
"substrate"
] | Ah, the glitter of gold… or fake gold, we’re not really sure. But [Mike Hogan] and [PJ Santoro] have been working with
faux gold leaf as a conductor on circuit boards
. The device you see above is mounted on metal-covered paper substrate and it really works.
They started by applying spray adhesive to heavy paper to mak... | 23 | 8 | [
{
"comment_id": "581762",
"author": "Thopter",
"timestamp": "2012-02-13T17:42:26",
"content": "“From there the shape of the microcontroller (an MSP430 G2211 in this case) to prevent shorts under the chip.”I think you accidentally something.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,376,958.997304 | ||
https://hackaday.com/2012/02/13/see-in-the-dark-with-this-bracelet-build/ | See In The Dark With This Bracelet Build | Brian Benchoff | [
"Medical Hacks"
] | [
"bracelet"
] | Even though she’s only in 8th grade, [Hannah Prutchi] is turning into a very respectable builder. She designed
SharkVision
, a wearable distance sensor that is meant to help the blind find objects they might bump into.
The SharkVision gets its name from shark’s ability to ‘see’ prey in their surroundings by sensing the... | 27 | 14 | [
{
"comment_id": "581688",
"author": "War_Spigot",
"timestamp": "2012-02-13T15:30:22",
"content": "When the father and daughter have daughter have published something like, you know that’s a pretty awesome family",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,376,958.934706 | ||
https://hackaday.com/2012/02/12/puncher-tracks-your-freelancing-hours-time-spent-in-tsa-patdowns/ | Puncher Tracks Your Freelancing Hours, Time Spent In TSA Patdowns | Mike Nathan | [
"Microcontrollers",
"Misc Hacks",
"Tool Hacks"
] | [
"7 segment",
"Freelance Puncher",
"led",
"time clock",
"time tracking PIC"
] | [Raphael Abrams] does a lot of freelance work, but he has trouble accurately keeping track of the hours he has put in for his clients. After trying various applications and methods of logging his time, he finally decided to
build a device that worked just the way he liked.
He calls his device the “Freelance Puncher”, t... | 30 | 15 | [
{
"comment_id": "581313",
"author": "wtfhackaday",
"timestamp": "2012-02-12T20:33:11",
"content": "yeah great, the TSA totally isn’t going to think this is a bomb",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "581344",
"author": "Hirudinea",
... | 1,760,376,959.071477 | ||
https://hackaday.com/2012/02/14/mitx-first-course-announce-6-002x-circuits-and-electronics/ | MITx First Course Announce – 6.002x: Circuits And Electronics | Mike Szczys | [
"News"
] | [
"classes",
"mit",
"mitx",
"opencourseware"
] | The Massachusetts Institute of Technology just announced the first course offering in their new online classes program. Great news, it’s an analog design course which is right up our alley.
The prototype session will be 6.002: Circuits and Electronics
.
If you’re a fan of our links posts you may remember
hearing about ... | 36 | 21 | [
{
"comment_id": "582425",
"author": "george graves",
"timestamp": "2012-02-14T22:27:56",
"content": "“In order to succeed in this course, you must have taken an AP level physics course in electricity and magnetism.”Just FYI.",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,376,959.200724 | ||
https://hackaday.com/2012/02/14/arduino-lawn-care-is-web-controlled/ | Arduino Lawn Care Is Web-controlled | Mike Szczys | [
"home hacks"
] | [
"adk",
"arduino",
"irrigation",
"relay",
"sprinkler system"
] | [Joe Fernandez] is fairly new to the hardware side of the hobby, but he seems to have easily found his way on this project. He wanted to build his own web-bridge for his Toro lawn sprinkler system. He pulled it off with style and shows off the spoils of his work in the clip after the break.
He started with
an Android A... | 8 | 5 | [
{
"comment_id": "582399",
"author": "vonskippy",
"timestamp": "2012-02-14T21:40:58",
"content": "Nice. I like the cutting board usage.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "582552",
"author": "tempfile",
"timestamp": "2012-02-15T02:... | 1,760,376,959.252298 | ||
https://hackaday.com/2012/02/14/let-there-be-light-inside-your-epilog-laser-cutter/ | Let There Be Light Inside Your Epilog Laser Cutter | Mike Szczys | [
"Laser Hacks",
"Tool Hacks"
] | [
"epilog",
"laser cutter",
"led strip"
] | [Bradley Gawthrop’s] biggest gripe about his laser cutter is the lack of Mac support. We don’t think we’d have any gripes if we owned one of these (yeah, that’s a lie…) but we can understand his second biggest issue which is the inability to see the work piece once it’s inside the machine. He figured out
a very easy wa... | 15 | 8 | [
{
"comment_id": "582375",
"author": "biozz",
"timestamp": "2012-02-14T20:09:59",
"content": "ughhh more rubbing these things in my face QnQif i was not such a poor student i would be all over these things!so many possibilities!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,376,959.308659 | ||
https://hackaday.com/2012/02/14/take-a-picture-of-a-bang-with-a-camera-sound-trigger/ | Take A Picture Of A Bang With A Camera Sound Trigger | Brian Benchoff | [
"Tool Hacks"
] | [
"intervalometer",
"photography"
] | We’ve featured dozens of digital camera triggers over the years. Very rarely do we come across one as well designed as [Viktor]’s
‘lil bang sound trigger
that snaps a picture whenever a microphone picks up a loud noise.
[Viktor]’s build is based around a PIC16F microcontroller with an LM386 amp connected to a microphon... | 6 | 6 | [
{
"comment_id": "582391",
"author": "Sam",
"timestamp": "2012-02-14T21:17:27",
"content": "You can also do this on any canon SLR with magic lantern firmwaremagiclantern.wikia.com/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "582472",
"author": "M H",
... | 1,760,376,959.355588 | ||
https://hackaday.com/2012/02/14/tears-from-your-lonely-heart-will-activate-a-comforting-tune/ | Tears From Your Lonely Heart Will Activate A Comforting Tune | Mike Szczys | [
"digital audio hacks",
"Holiday Hacks"
] | [
"conductive",
"fabric",
"greeting card",
"moisture sensor",
"tears"
] | If you’re forever alone we’d guess you’ve long since stopped crying about it. But if you’re still prone to shed a tear on a dateless Valentine’s day this project’s for you. [Mikeasaurus] spruced up this pillow to
play a tune when it senses your lonely soul
. It’s got a moisture sensor which triggers an audio greeting c... | 7 | 7 | [
{
"comment_id": "582356",
"author": "Paul",
"timestamp": "2012-02-14T19:28:01",
"content": "If he could up update it to figure out what’s making the pillow soggy he could play the current sound for tears, and maybe a different sound for sogginess from another bodily fluid",
"parent_id": null,
... | 1,760,376,959.451816 | ||
https://hackaday.com/2012/02/14/share-a-light-up-led-heart-with-your-valentine/ | Share A Light-up LED Heart With Your Valentine | Brian Benchoff | [
"LED Hacks"
] | [
"dropbox",
"polycarbonate",
"valentine"
] | It’s not roses or jewelry, but we hope [Erik]’s
light-up USB heart
will be appreciated by his significant other. When the two heart pieces come in contact with each other, each side lights up.
[Erik] started his build by cutting two half-heart shaped pieces out of polycarbonate. After drilling a few holes for LEDs and ... | 5 | 4 | [
{
"comment_id": "582293",
"author": "Josh",
"timestamp": "2012-02-14T15:14:43",
"content": "Why can’t we get holiday projects like this, you know, BEFORE the holiday it’s intended for. I know someone this would have been perfect for, but it’s too late by the time everything is ordered, assembled, a... | 1,760,376,959.402839 | ||
https://hackaday.com/2012/02/13/passive-filters-data-transmission-and-equalization-oh-my/ | Passive Filters, Data Transmission And Equalization Oh My! | Kevin Dady | [
"Misc Hacks",
"Radio Hacks"
] | [
"filters",
"microwave"
] | [Shahriar] is back with a new “The Signal Path” video. It has been a few months but it is okay because his videos are always packed full of good information. Some new equipment has been added to his lab and as an added bonus a quick tour of the equipment is included at the start, which is great if you like drooling ove... | 17 | 7 | [
{
"comment_id": "581907",
"author": "Th3badwolf",
"timestamp": "2012-02-13T22:53:42",
"content": "@ Kevin Dady,I don’t wanna be a dousche but “GHz per second range” is incorrect… Hz is already “impulse/beat/wave/etc per second thus GHz per second here refer to half the derivate of what you’re talkin... | 1,760,376,959.932728 | ||
https://hackaday.com/2012/02/12/monitoring-software-builds-with-a-traffic-light/ | Monitoring Software Builds With A Traffic Light | Brian Benchoff | [
"Arduino Hacks",
"Software Development"
] | [
"arduino",
"software development",
"traffic light"
] | [JD] at isotope11 was looking for a way to get instant feedback whenever a developer broke a piece of software they were working on. After finding a
48 inch tall traffic light
, he knew what he had to do. Now, the entire development team knows the status of their code from a traffic light hanging in the corner.
isotope... | 21 | 14 | [
{
"comment_id": "581273",
"author": "jim",
"timestamp": "2012-02-12T18:29:41",
"content": "um is that one of those hollywood filmset lights with different colours so it comes out normal in postproduction? am i stoned?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,376,960.04719 | ||
https://hackaday.com/2012/02/12/hackaday-links-february-12-2012/ | Hackaday Links: February 12, 2012 | Brian Benchoff | [
"Hackaday links"
] | [
"3d printer",
"duct tape",
"lockpicking",
"numeric keypad",
"openframeworks",
"rose",
"Van Gogh"
] | This is why digital picture frames were invented
[Petros] sent in
this video
of his visualization of Van Gogh’s
Starry Night
. He did this with openFrameworks and also made a version that
reacts to sound
. Is anyone else reminded of that one scene in
Vincent and the Doctor
?
A boat’s a boat, but a mystery box can be an... | 16 | 10 | [
{
"comment_id": "581239",
"author": "Brett W. (FightCube.com)",
"timestamp": "2012-02-12T16:56:46",
"content": "+1 if you watched the whole starry night video! That was awexome ;-)The mystery box is also a very clever idea. Kind of like a geocache, without the GPS part.. hackercache?",
"parent... | 1,760,376,959.989297 | ||
https://hackaday.com/2012/02/11/dye-mac-dye/ | Dye Mac Dye! | Kevin Dady | [
"Mac Hacks"
] | [
"dye",
"macbook"
] | Fabric dye is one of those products where it keeps popping up for unintended uses, we have seen it coloring printed circuit boards, and now a Macintosh computer? [The Brain]’s
project to add a little color to his Macbook
has been done before, but he chooses to do it in a different way, which comes down to a little bit ... | 37 | 19 | [
{
"comment_id": "580879",
"author": "Sariel",
"timestamp": "2012-02-11T21:26:40",
"content": "now he should take some industrial acrylic sealant and buff it over the case to give it that shine again. color looks great in the pics, but the texture makes it look bad IRL I bet. I had a similar excurs... | 1,760,376,960.124434 | ||
https://hackaday.com/2012/02/11/get-tons-of-midi-knobs-and-buttons-with-the-chomp/ | Get Tons Of MIDI Knobs And Buttons With The Chomp | Brian Benchoff | [
"Musical Hacks"
] | [
"Chomp",
"midi"
] | Although MIDI was originally designed for 1 MHz computers with 64 kB of RAM, it’s still an industry standard almost 30 years after its introduction. Even for electronic artists armed with a microcontroller, MIDI is old hat if you want to connect a few buttons up to a music workstation. What if you wanted to connect doz... | 17 | 9 | [
{
"comment_id": "580868",
"author": "ferm",
"timestamp": "2012-02-11T21:04:43",
"content": "Is the arduino code available for it yet? I didnt see it on the page. also, what ICs are those by the input output headers? Here is a quick usb to midi adapter:http://shiftmore.blogspot.com/2010/01/quick-and... | 1,760,376,959.777709 | ||
https://hackaday.com/2012/02/11/create-pcbs-in-just-minutes-with-this-awesome-spray-etching-machine/ | Create PCBs In Just Minutes With This Awesome Spray Etching Machine | Mike Nathan | [
"chemistry hacks",
"Tool Hacks"
] | [
"etchant",
"etching",
"etching tank",
"pcb",
"sprayer"
] | If you have ever produced your own PCBs at home, you know that it can be somewhat of a time consuming process. Spending 20 or so minutes manually agitating a board is a drag, and while aquarium bubbler setups improve the process, they are far from ideal. [Christian Reed] knew that if he really wanted to streamline his ... | 39 | 23 | [
{
"comment_id": "580809",
"author": "charliex",
"timestamp": "2012-02-11T18:06:03",
"content": "that is nifty.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "580816",
"author": "brad",
"timestamp": "2012-02-11T18:48:54",
"content": "mine is a regul... | 1,760,376,960.204067 | ||
https://hackaday.com/2012/02/11/cnc-light-painting/ | CNC Light Painting | Jeremy Cook | [
"cnc hacks",
"digital cameras hacks"
] | [
"cnc",
"CNC router",
"led",
"light engraving",
"light painting",
"Zen Toolworks"
] | Light painting is a technique where a shape is drawn with a light source while a camera is taking a very long exposure shot of it. To do this well by hand would take a lot of skill, so I naturally decided to make my
“light art” with a CNC router
.
Using this technique, the LED light is treated just like an engraving bi... | 9 | 4 | [
{
"comment_id": "580802",
"author": "matguy",
"timestamp": "2012-02-11T17:50:00",
"content": "Next step in the evolution: use all 3 axis and make some cool 3D “renderings” of wireframe skeletons.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "580819",
... | 1,760,376,960.297955 | ||
https://hackaday.com/2012/02/11/plotting-pictures-with-light/ | Plotting Pictures With Light | Brian Benchoff | [
"LED Hacks"
] | [
"drawbot",
"led",
"polar plotter",
"POV"
] | Flashing LEDs for a persistence of vision display are on bicycle wheels, alarm clocks, and even light painting sticks to draw images in the air. What if you wanted to
plot an image in the air
(
translation
) with a single LED? That’s what [acorv] did after taking a cue from a
polar plotter
.
Like the polar plotter and
... | 1 | 1 | [
{
"comment_id": "580836",
"author": "Moi",
"timestamp": "2012-02-11T19:35:24",
"content": "In the age of Photoshop this seams like a total waist of time. But fun nevertheless.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,376,960.24797 | ||
https://hackaday.com/2012/02/11/weekly-roundup-21112/ | Weekly Roundup 2/11/12 | Jack Buffington | [
"News",
"Weekly Roundup"
] | [
"weekly roundup"
] | In case you have been on vacation, here is the best that we have had on our blog in the past week:
In first place is a post about [the University of Pennsylvania’s] quadcopter team. This time they have
a group of twenty quadcopters flying in formation.
In second place is a post about a nice project by [Joel] where he
... | 0 | 0 | [] | 1,760,376,960.420317 | ||
https://hackaday.com/2012/02/10/electrodroid-your-android-electronic-reference-app/ | ElectroDroid – Your Android Electronic Reference App | Brian Benchoff | [
"Android Hacks",
"Tool Hacks"
] | [
"android",
"ElectroDroid",
"electronics",
"reference",
"tools"
] | Earlier this week, fellow Hack a Day-er [Mike Nathan] reviewed Adafruit’s new iPhone/iPad app
Circuit Playground
. The
comments
on [Mike]’s review turned to suggesting
ElectroDroid
as an alternative to Circuit Playground. Surprisingly, Hack a Day authors actually pay attention to the comments, so I’ve decided to throw... | 39 | 27 | [
{
"comment_id": "580250",
"author": "pt",
"timestamp": "2012-02-10T22:24:56",
"content": "great review again HaD folks – nice work. this is why we have a link to this app on our own app page as well.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "580307",
... | 1,760,376,960.379326 | ||
https://hackaday.com/2012/02/10/pov-clock-spins-light-filter-instead-of-leds/ | POV Clock Spins Light Filter Instead Of LEDs | Mike Szczys | [
"clock hacks"
] | [
"arduino",
"atmega328",
"hard drive",
"persistence of vision",
"POV"
] | This
hard-drive based POV clock
is a treasure trove of great design choices. Now, we’ve seen a bunch of spinning clock builds. Several of the hard drive versions
use slits cut in the platters
to create a display by illuminating an LED behind those slits at just the right moment. This is a similar idea but [Jason Hotchk... | 21 | 17 | [
{
"comment_id": "580209",
"author": "NatureTM",
"timestamp": "2012-02-10T21:11:30",
"content": "That’s pretty cool, and I like all the diy pcb’s he made. I wonder if he should be concerned about the “platter” flying apart at those high speeds, especially with the holes cut out and him moving it aro... | 1,760,376,960.482943 |
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