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https://hackaday.com/2011/05/24/turn-a-logic-analyzer-into-a-signal-generator-using-only-software/ | Turn A Logic Analyzer Into A Signal Generator Using Only Software | Mike Szczys | [
"Tool Hacks"
] | [
"logic analyzer",
"saleae",
"signal generator"
] | One thing we learned by watching [Alton Brown] on all of those Good Eats episodes is that a multitasker is way better than a unitasker. [Joost] is thinking along the same lines by taking a fantastic tool and adding a useful function to it. His software project
turns a USB Saleae Logic Analyzer into a signal generator
.... | 18 | 18 | [
{
"comment_id": "397609",
"author": "HackerK",
"timestamp": "2011-05-24T19:37:35",
"content": "Very interesting indeed… How does he turns an input pin into output w/o modding the firmware?I don’t have one so I can’t tell.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comme... | 1,760,377,185.741993 | ||
https://hackaday.com/2011/05/24/facebook-notifier-uses-some-papercraft-and-simple-electronics/ | Facebook Notifier Uses Some Papercraft And Simple Electronics | Mike Szczys | [
"Arduino Hacks"
] | [
"astroturf",
"facebook",
"mailbox",
"mechanize",
"notifier",
"python",
"servo"
] | This weekend
project will tell you when you’ve got something new to look at on your Facebook page
(
translated
). The yellow flag on the side of the mini-mailbox automatically goes up, alerting you to your recent online popularity.
[Rocco’s] craftwork on this project is fantastic. We love the scale, the colors, and esp... | 4 | 4 | [
{
"comment_id": "397605",
"author": "DevHack",
"timestamp": "2011-05-24T19:27:25",
"content": "Wow… :) wonderful project!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "397715",
"author": "pahosler",
"timestamp": "2011-05-25T02:50:26",
"content": "... | 1,760,377,185.88733 | ||
https://hackaday.com/2011/05/24/generating-pink-noise/ | Generating Pink Noise | Mike Szczys | [
"digital audio hacks"
] | [
"phantom power",
"pink noise",
"xlr"
] | [Miceuz] just finished his first surface mount electronics project. It’s
a pink noise generator that is used for testing audio equipment
(scroll down that link for the English version of his writeup).
Pink noise is somewhere in between red noise and white noise. Didn’t realize there were more colors than just white whe... | 9 | 9 | [
{
"comment_id": "397532",
"author": "mess_maker",
"timestamp": "2011-05-24T15:06:16",
"content": "Interesting, about ten years ago I made a microphone which fit into an XLR connector… nothing amazing, but it was fun learning to make my own stuff.Interesting project, I will have to read up on it to ... | 1,760,377,185.389133 | ||
https://hackaday.com/2011/05/24/simple-bench-power-2/ | Simple Bench Power | Kevin Dady | [
"hardware"
] | [
"power supply"
] | When dealing with electronics you need 1 key thing, electricity. For quite a while now if I needed 5 volts I would just grab my homebrew arduino, but that is not always handy and its tethered to the pc and it does not have 3v. If I wanted 3 volts, now I am digging around looking for my UBW32 which does have 3v3 but now... | 30 | 30 | [
{
"comment_id": "397481",
"author": "Hephaix",
"timestamp": "2011-05-24T11:43:29",
"content": "Very interesting.How do you calculate how much curent you can draw from the negative supply?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "397484",
"author": "T... | 1,760,377,185.687208 | ||
https://hackaday.com/2011/05/23/sound-localization-and-a-treaded-rover/ | Sound Localization And A Treaded Rover | Mike Nathan | [
"Misc Hacks",
"Robots Hacks"
] | [
"arduino",
"bluetooth",
"motoruino",
"robot",
"rover",
"sound localization"
] | [Jad] recently wrote in to share a pair of projects that have been keeping him busy as of late.
The first is
a sound localization system
not unlike
one we showed you a few weeks ago
. The difference is that his system displays the sound source via a set of LEDs rather than by motion, making it far less prone to interfe... | 3 | 3 | [
{
"comment_id": "397388",
"author": "Easton L",
"timestamp": "2011-05-24T04:25:35",
"content": "Good Job!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "397430",
"author": "ColinB",
"timestamp": "2011-05-24T08:21:06",
"content": "Is there a schem... | 1,760,377,185.520488 | ||
https://hackaday.com/2011/05/23/automated-chess-set-does-it-from-below/ | Automated Chess Set Does It From Below | Mike Szczys | [
"home entertainment hacks",
"Robots Hacks"
] | [
"chess",
"magnet",
"reed switch"
] | You can get class credit for the coolest things these days. Take for instance,
this Automatic Chessboard
that [Brian] and [James] built for the final project in one of their classes this spring. We just looked at a robotic chess setup on Monday that
used a gripper mounted on a gantry to move the pieces
. This one’s a l... | 12 | 12 | [
{
"comment_id": "397305",
"author": "dup",
"timestamp": "2011-05-23T22:40:16",
"content": "Sounds horrible… as in the motors…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "397321",
"author": "Wil",
"timestamp": "2011-05-23T23:16:53",
"content": "G... | 1,760,377,185.991996 | ||
https://hackaday.com/2011/05/22/serial-port-jtag-programmer/ | Serial Port JTAG Programmer | Mike Szczys | [
"Tool Hacks"
] | [
"jtag",
"programmer",
"serial port",
"voltage divider",
"zener diode"
] | If you’re planning to do some hacking with CPLD or FPGA chips you’ll need a way to program them. JTAG is one of the options and here’s
a cheap method that uses the serial port
(
translated
).
This method requires only four signals (TDI, TMS, TCK and TDO) plus ground. But the problem is that an RS232 serial port operate... | 9 | 9 | [
{
"comment_id": "397007",
"author": "chango",
"timestamp": "2011-05-23T00:03:46",
"content": "Good if you have a hardware serial port I suppose. For USB there’s always the ubiquitous FT232 in bitbang mode.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "397030... | 1,760,377,185.791251 | ||
https://hackaday.com/2011/05/22/its-like-i-can-tell-the-time-just-by-the-color-man/ | It’s Like… I Can Tell The Time Just By The Color, Man | Mike Szczys | [
"clock hacks"
] | [
"clock",
"color",
"mbed",
"shiftbrite"
] | [Alex] has reduced the resolution of his timepiece as a trade-off for speedy-readability. At least that’s what he claims
when describing his color-changing clock
. It uses a ShiftBrite to slowly alter the hue of the clock based on the current time. The concept is interesting: 12:00 starts off at white and slowly fades ... | 15 | 15 | [
{
"comment_id": "396994",
"author": "zool",
"timestamp": "2011-05-22T23:16:19",
"content": "oh my gosh it’s almost blue:30 o’clock, im gonna be late for work",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "396996",
"author": "t&p",
"timestamp": "2011-05... | 1,760,377,185.843407 | ||
https://hackaday.com/2011/05/22/bamf2011-lasersaur-is-one-big-laser-cutter/ | BAMF2011: Lasersaur Is One BIG Laser Cutter! | Phil Burgess | [
"cnc hacks",
"Laser Hacks"
] | [
"2011",
"bamf",
"cutter",
"engraver",
"laser",
"lasersaur",
"maker faire",
"makerfaire",
"Makers",
"open source hardware",
"oshw",
"san mateo"
] | Psst…wanna buy a laser cutter, but not ready to sell your internal organs? Nortd Labs’
Lasersaur
project aims to create an open source large-format
laser cutter/engraver
that undercuts (
har har!
) the cost of commercial models by an order of magnitude.
A Lasersaur built strictly using componentry from the globally-ava... | 38 | 38 | [
{
"comment_id": "396985",
"author": "BiOzZ",
"timestamp": "2011-05-22T22:25:20",
"content": "its large but i dont think its “one BIG lasercutter” seeing some of the professional plasma cutters XDin theory you make one small one making a big one would not be to much more expensive right?the laser is ... | 1,760,377,185.475283 | ||
https://hackaday.com/2011/05/22/hacking-for-feline-enjoyment/ | Hacking For Feline Enjoyment | Mike Szczys | [
"home hacks"
] | [
"cat",
"most useless machine",
"mouse",
"toy"
] | [Dino] is staying true to his goal of hacking one project every week. This time around, he’s working on
a toy that will amuse and delight his cats
. The project centers around a mouse house that has two holes where mice can stick their heads out. When they do, a little LED lamp illuminates their appearance in hopes to ... | 12 | 12 | [
{
"comment_id": "396977",
"author": "caleb",
"timestamp": "2011-05-22T21:35:51",
"content": "yay kitties! now i need to build a robot that will feed, burp, change , and carry the baby around the house so my poor back can get a break!",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,377,185.942597 | ||
https://hackaday.com/2011/05/22/shoehorning-rs-232-into-a-minitel-terminal/ | Shoehorning RS-232 Into A Minitel Terminal | Brian Benchoff | [
"classic hacks"
] | [
"dumb terminal",
"Minitel"
] | In the early 80s, millions of terminals were handed out to French telephone subscribers. Nearly 9 million of these Minitel dumb terminals were in use at one time, and with that degree of ubiquity, we’re surprised we haven’t heard of them before. These boxes were usually connected to the outside world through their inte... | 30 | 29 | [
{
"comment_id": "396900",
"author": "Flo",
"timestamp": "2011-05-22T16:28:16",
"content": "eh.. AZERTY is a standard.. it’s still used in france and belgium",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "1007163",
"author": "loopingz",
"times... | 1,760,377,186.061454 | ||
https://hackaday.com/2011/05/22/we-know-marios-early-years-was-a-let-down-but-this-takes-it-a-bit-too-far/ | We Know “Mario’s Early Years” Was A Let Down, But This Takes It A Bit Too Far. | Jesse Congdon | [
"home hacks",
"how-to"
] | [
"snes",
"urine"
] | [JJ Hendricks] wrote in to tell us about his
SNES cartridge urinal
. The fully functional urinal is constructed with 40 SNES cartridges and sealed up with polyurethane. The base of the whole operation is actually not a puddle of festering urine, but instead poured polyurethane that ensures proper flow through the drain... | 27 | 27 | [
{
"comment_id": "396875",
"author": "Karl",
"timestamp": "2011-05-22T14:35:44",
"content": "Now, what do you do when you have one of these in your homeb?Install one of these:http://www.wired.co.uk/news/archive/2011-01/06/sega-toylets-japan",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,377,186.131626 | ||
https://hackaday.com/2011/05/21/bamf2011-keyboards-built-from-scratch/ | BAMF2011: Keyboards Built From Scratch | Phil Burgess | [
"classic hacks"
] | [
"2011",
"bamf",
"custom",
"ergonomic",
"keyboard",
"maker faire",
"makerfaire",
"Makers",
"san mateo",
"tactile",
"vim"
] | As the most direct interface between computer and programmer, keyboards can be a deeply personal, sometimes almost
religious
thing. Some find solace in their vintage
IBM Model M
, or luxurious
leather keyboard
, but maker [Carol Chen] took things into her own hands, quite literally. [Carol]’s Maker Faire exhibit has a ... | 35 | 33 | [
{
"comment_id": "396710",
"author": "sneakypoo",
"timestamp": "2011-05-22T00:46:16",
"content": "I’m probably going to get railed for this but… She spends several weeks on getting this new keyboard together but can’t take two minutes to pick up the dirty laundry from the floor?",
"parent_id": nu... | 1,760,377,186.933597 | ||
https://hackaday.com/2011/05/23/great-junk-yard-find-leads-to-a-reclaimed-control-panel-project/ | Great Junk-yard Find Leads To A Reclaimed Control Panel Project | Mike Szczys | [
"home hacks",
"Microcontrollers"
] | [
"18F2550",
"darlington array",
"Halloween props",
"panel",
"pic",
"uln2803"
] | Having the “can you believe somebody threw this away?” mentality has gotten us into some trouble through the years, but look what [Joshua] found at the scrap yard! It’s
a door from a power conversion station
and it contains fourteen indicator lights and a lot of other doodads. But since this is just the door, he needed... | 5 | 5 | [
{
"comment_id": "397347",
"author": "someone",
"timestamp": "2011-05-24T00:52:56",
"content": "I am more curious as to how he got it from the scrap yard.Can just anyone go into any scrap yard and tell he owner that he/she wants to go looking around for interesting electronics, and take it at will?Al... | 1,760,377,186.461806 | ||
https://hackaday.com/2011/05/23/an-odd-little-box/ | An Odd Little Box | Mike Szczys | [
"Misc Hacks"
] | [
"Halloween props",
"helicopter",
"ping pong",
"radio controlled",
"rc"
] | Here’s
an odd little box
that might get those creative juices flowing for the upcoming Halloween season. [Jeremy’s] creepy glowing box has a pair of ping-pong ball eyes which diffuse the red light from a pair of LEDs. Both the lid and they eyes move, and the whole thing is set up for wireless control.
The majority of t... | 11 | 11 | [
{
"comment_id": "397269",
"author": "Foxdie",
"timestamp": "2011-05-23T20:13:34",
"content": "The last bit of the vid made me laugh.. “I’m gonna get you!”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "397274",
"author": "brad",
"timestamp": "2011-05-2... | 1,760,377,186.517078 | ||
https://hackaday.com/2011/05/23/wireless-hackerspace-status-notifier/ | Wireless Hackerspace Status Notifier | Mike Nathan | [
"Hackerspaces"
] | [
"bluetooth",
"hackerspace",
"openwrt",
"seeduino",
"status switch"
] | Hackerspaces are always looking for novel ways to let their members know that they are open for business, and
this notifier [Angus] from Make, Hack, Void recently put together
is no exception.
While dumpster diving one day, he came across a fantastic-looking lab power supply from the ‘70s. He gutted it, saving the vari... | 5 | 5 | [
{
"comment_id": "397260",
"author": "mlseim",
"timestamp": "2011-05-23T19:47:09",
"content": "You really need to have someone re-silkcreen the dial so it goes to 11. That would be cool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "397276",
"author": "K!... | 1,760,377,186.417422 | ||
https://hackaday.com/2011/05/23/building-your-own-real-time-clock/ | Building Your Own Real Time Clock | Mike Nathan | [
"clock hacks"
] | [
"ATmega 328",
"real time clock",
"rtc"
] | Like many electronics hobbyists, [Pete] found that he had an overwhelming desire to build a clock for himself. He didn’t want to stick a discrete real time clock IC into a box and call it a day,
so he opted to construct his own
around a microcontroller instead.
After researching the specs on a few RTC ICs, he defined s... | 20 | 20 | [
{
"comment_id": "397207",
"author": "addidis",
"timestamp": "2011-05-23T16:11:31",
"content": "I think the most eye catching thing of his setup is his board. I LOVE how the ?acrylic? edges glow.I think something like that would do very well as an arduino bed, and I am extra interested in that with t... | 1,760,377,186.675165 | ||
https://hackaday.com/2011/05/23/wireless-4-channel-temperature-monitor-from-arduino-libraries/ | Wireless 4 Channel Temperature Monitor From Arduino Libraries | Jesse Congdon | [
"Arduino Hacks"
] | [
"1-wire",
"arduino",
"character lcd",
"temperature sensor"
] | Say what you will about the Arduino platform but there certainly are a ton of libraries one can choose from. That is precisely what [Dan Julio] set out to do when building his slick looking 4 channel
temperature monitor
. The monitor consists of an Arduino
RBBB
, 2×16 character LCD and four
DS18B20
1-wire digital therm... | 4 | 4 | [
{
"comment_id": "397175",
"author": "Bob",
"timestamp": "2011-05-23T14:45:38",
"content": "By 1-wire, I guess they mean 3.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "397179",
"author": "zigzagjoe",
"timestamp": "2011-05-23T14:55:36",
"content":... | 1,760,377,186.567235 | ||
https://hackaday.com/2011/05/23/why-build-a-cnc-mill-when-you-can-have-a-chess-robot-instead/ | Why Build A CNC Mill When You Can Have A Chess Robot Instead? | Mike Szczys | [
"cnc hacks",
"Robots Hacks"
] | [
"arduino mega",
"chess",
"cnc",
"gantry",
"my robot lab",
"stepper motor"
] | [Patrick McCabe] enjoys the challenge of playing chess against the computer but he wasn’t satisfied with the flat experience of on-screen gaming. No problem, he just built his own
gantry-style chess robot
that he can play against. Don’t be confused, he still doesn’t have to touch the pieces, but instead uses the dedica... | 9 | 9 | [
{
"comment_id": "397150",
"author": "Monty Werthington",
"timestamp": "2011-05-23T12:38:29",
"content": "Well that certainly makes for a nice piece of Interactive furniture. A nice clean Project, well done on such a great Hack.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,377,186.772229 | ||
https://hackaday.com/2011/05/23/bamf2011-google%e2%80%99s-skpr-bot-not-for-arachnophobes/ | BAMF2011: Google’s SKPR Bot, Not For Arachnophobes | Phil Burgess | [
"Android Hacks",
"Arduino Hacks",
"google hacks",
"News"
] | [
"2011",
"bamf",
"bot",
"google",
"hexapod",
"maker faire",
"makerfaire",
"Makers",
"ponoko",
"robot",
"san mateo",
"servo",
"skipper",
"skpr"
] | Google’s Maker Faire exhibit space is swarmed with robots…er,
androids.
Amidst some cool bipeds and Segway-balancers, our inner sci-fi nerd was most smitten with this hexapod design, which they’ve dubbed
SKPR Bot
. The “Skipper” is on hand to showcase the ease of various Google technologies:
SketchUp
,
Android OS
and t... | 10 | 9 | [
{
"comment_id": "397147",
"author": "turn.self.off",
"timestamp": "2011-05-23T12:13:04",
"content": "Need a couple more legs to get that arachnophobia going. I just wonder how long before Google make the ANK wireless. That will make things really interesting.",
"parent_id": null,
"depth": 1,... | 1,760,377,186.615766 | ||
https://hackaday.com/2011/05/21/bamf2011-bloxes-a-building-kit-with-a-nifty-pedigree/ | BAMF2011: Bloxes, A Building Kit With A Nifty Pedigree | Phil Burgess | [
"cons",
"home hacks",
"Misc Hacks",
"News"
] | [
"2011",
"bamf",
"bloxes",
"building",
"construction",
"kit",
"maker faire",
"makerfaire",
"Makers",
"raskin",
"san mateo"
] | Not every cool hack needs to involve microcontrollers, LEDs or other bling. We were initially drawn to the
Bloxes
display simply because we love a good multipurpose construction set, whether it be
Lego
,
80/20 aluminum
, or in this case, a system of interlocking cubes formed from six identical pieces of corrugated card... | 17 | 17 | [
{
"comment_id": "396687",
"author": "Will",
"timestamp": "2011-05-21T23:25:38",
"content": "I so want a few thousand of these to make my house with",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "396688",
"author": "nah",
"timestamp": "2011-05-21T23:31:... | 1,760,377,186.731773 | ||
https://hackaday.com/2011/05/21/bamf2011-chipkit-is-arduino-to-the-power-of-32/ | BAMF2011: ChipKIT Is Arduino To The Power Of 32 | Phil Burgess | [
"Arduino Hacks",
"Microcontrollers"
] | [
"2011",
"arduino",
"AVR",
"bamf",
"digilent",
"ide",
"linux",
"mac",
"maker faire",
"makerfaire",
"Makers",
"microchip",
"pic",
"pic32",
"san mateo",
"windows"
] | If you’ve been hungry for more power for your microcontroller projects, but reluctant to dump your investment in Arduino shields or the libraries and community knowledge that go with them all, Digilent has you covered. Their new
chipKIT boards
are built around the Microchip PIC32 MCU…a powerful 32-bit chip that until r... | 25 | 25 | [
{
"comment_id": "396682",
"author": "rallen71366",
"timestamp": "2011-05-21T22:46:04",
"content": "I love it. but, where are the Arduino haters?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "396683",
"author": "gmcurrie",
"timestamp": "2011-05-21T22:4... | 1,760,377,187.519567 | ||
https://hackaday.com/2011/05/21/making-a-3d-printer-work-wirelessly/ | Making A 3D Printer Work Wirelessly | Mike Szczys | [
"cnc hacks"
] | [
"3d printer",
"bluetooth",
"breakout board",
"unimaker"
] | Looking for more ways to enhance his 3D printer, [JJ]
decided to make it wireless
. He got his hands on some
$10 Bluetooth modules
and figured this would be just the thing to make the link with his laptop.
They came as surface mount modules, so the first thing he had to do was develop a breakout board that he could pat... | 10 | 10 | [
{
"comment_id": "396676",
"author": "Jelle",
"timestamp": "2011-05-21T21:55:03",
"content": "hmm yeah. It is a nice hack, although one should wonder how much less reliable this makes the serial connection and how much data you can pump throug it. Ultimakers are very quick to print, so need their dat... | 1,760,377,186.986648 | ||
https://hackaday.com/2011/05/21/class-d-audio-amplifier-makes-it-from-breadboard-to-pcb/ | Class-D Audio Amplifier Makes It From Breadboard To PCB | Mike Szczys | [
"digital audio hacks"
] | [
"amplifier",
"class-d",
"switching"
] | [Ben Laskowski’s] been working on a Class-D audio amplifier for several months. What you see above is
the most recent version of the amp
. A class-D amplifier uses transistor switching (or in this case MOSFET switching) to generate the pulse-width-modulated signal that drives the speaker. This is different from common ... | 17 | 17 | [
{
"comment_id": "396669",
"author": "Tim",
"timestamp": "2011-05-21T20:58:01",
"content": "how are you clocking the PWM rate? Also, on most Class D amplifiers, you see 2 inductors per speaker on the output filter, one on the “+” side and one on the “-” side.What I would love to see here is an FPGA o... | 1,760,377,187.102877 | ||
https://hackaday.com/2011/05/21/xoscillo-turns-arduino-in-an-oscilloscope/ | Xoscillo Turns Arduino In An Oscilloscope | Mike Szczys | [
"Arduino Hacks"
] | [
"oscilloscope",
"xoscillo"
] | If you don’t have an oscilloscope you’d be surprised how many times you find yourself needing one. But if you have an Arduino on hand, the next time you might be able to get by with this
software suite that can use a development board as oscilloscope inputs
. The project is called xoscillo, and it allows an Arduino, or... | 11 | 10 | [
{
"comment_id": "396661",
"author": "steve",
"timestamp": "2011-05-21T19:53:02",
"content": "The guys seem to have put serious effort in this, hoewever, calling an few bit chart recorder “oscilloscope” is quite a stretch.This thing is much more likely to mislead you when trying to debug your circuit... | 1,760,377,187.043566 | ||
https://hackaday.com/2011/05/21/pcb-milling-with-a-makerbot/ | PCB Milling With A Makerbot | Caleb Kraft | [
"Tool Hacks"
] | [
"cnc",
"cupcake",
"makerbot",
"mill",
"pcb"
] | [Keith] wanted to use his makerbot for some PCB milling, but he ran into a pretty big problem. The platform that his PCB would sit on was mounted with a layer of double sided foam tape and was not perfectly aligned to the head. Not only that, but it would tilt when pressure was applied. This made the result of the mill... | 15 | 15 | [
{
"comment_id": "396640",
"author": "Bernhard",
"timestamp": "2011-05-21T18:07:24",
"content": "so how does he drill? you need some soft material of at least 0.3 mm underneath the pcb.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "396642",
"author": "Bren... | 1,760,377,187.31681 | ||
https://hackaday.com/2011/05/21/arduino-i2c-sniffer/ | Arduino I2C Sniffer | Caleb Kraft | [
"Arduino Hacks",
"Tool Hacks"
] | [
"arduino",
"i2c"
] | [Johngineer] found himself in need of an I2C sniffer, but didn’t have one available. Necessity is the mother of invention, so he put together this
I2C sniffer sketch for Arduino
. The arduino will record what is going on for a set time interval, then dump the data via serial as a .csv. You then have to plot it to see w... | 11 | 10 | [
{
"comment_id": "396628",
"author": "kernelcode",
"timestamp": "2011-05-21T16:44:30",
"content": "Nice and handy for folk with ArduinosI think a good way to get around RAM limitations would be set up an interrupt on the pin you’re monitoring and a timer which counts the time between edges. That way,... | 1,760,377,187.203493 | ||
https://hackaday.com/2011/05/20/bay-area-maker-faire-hackaday-has-arrived/ | Bay Area Maker Faire: Hackaday Has Arrived! | Phil Burgess | [
"cons",
"News"
] | [
"2011",
"bamf",
"colossus",
"maker faire",
"makerfaire",
"Makers",
"san mateo"
] | It’s a madhouse already at the 2011 Bay Area Maker Faire. Though the show doesn’t officially start until tomorrow, Friday is “Education Day”, a special preview for local schools. As makers scramble to set up their displays, a thousand impressionable young minds seek the most cacophonous mixture of taiko drumming, ArcAt... | 16 | 16 | [
{
"comment_id": "396433",
"author": "dm",
"timestamp": "2011-05-20T20:45:24",
"content": "Anybody have a fast travel method for getting from the east coast to the west? Must say please get video.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "396454",
"aut... | 1,760,377,187.263296 | ||
https://hackaday.com/2011/05/20/send-email-receive-surveilance-picture/ | Send Email, Receive Surveilance Picture | Caleb Kraft | [
"Security Hacks"
] | [
"gsm",
"surveillance"
] | This deathstar like ball is actually an
autonomous surveillance camera
. [Basil] wrote in to tell us about it. The body is custom designed for the project, then 3d printed. It can be dropped anywhere, as it is battery powered for up to a month, and communicates via cellar networks. It checks an email folder once an ... | 31 | 31 | [
{
"comment_id": "396399",
"author": "Oren Beck",
"timestamp": "2011-05-20T17:47:44",
"content": "Rover",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "396401",
"author": "Scott",
"timestamp": "2011-05-20T17:54:05",
"content": "I instantly thought… D... | 1,760,377,187.451408 | ||
https://hackaday.com/2011/05/20/introduction-to-the-h-bridge-motor-controller/ | Introduction To The H-bridge Motor Controller | Caleb Kraft | [
"how-to"
] | [
"basics",
"drive",
"motors"
] | [Chris] sent us this fantastic tutorial,
introducing beginners to H-bridge motor drivers
. While many of you will consider this stuff basic, those who are trying to expand from building only things the arduino board can handle to bigger more expansive (and powerful) projects will find this quite helpful. [Chris’s] tut... | 22 | 22 | [
{
"comment_id": "396364",
"author": "Ikari-Pt",
"timestamp": "2011-05-20T15:10:46",
"content": "My H-BRIDGE based on vnh3sp30 can hadle 30A and as corrent measure so…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "396369",
"author": "ds2ktj",
"timestam... | 1,760,377,187.382098 | ||
https://hackaday.com/2011/05/20/using-an-avr-as-an-rfid-tag/ | Using An AVR As An RFID Tag | Brian Benchoff | [
"Microcontrollers"
] | [
"attiny",
"rfid",
"rfid tag"
] | A few years ago, [Beth] came up with the idea of using an AVR as an RFID tag. She’s gotten sidetracked with a few other projects in the meantime but her idea has surfaced again, this time as a
duct tape RFID tag
. The build is just four components: 0.1 µF and 1 nF capacitors, an ATtiny85 microcontroller, and 100 turns ... | 11 | 10 | [
{
"comment_id": "396331",
"author": "Gregg",
"timestamp": "2011-05-20T13:16:26",
"content": "Thats also one long lasting RFID gaffer should keep it secure for years!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "396335",
"author": "Henrik Pedersen",
"... | 1,760,377,187.567953 | ||
https://hackaday.com/2011/05/20/diy-spectrophotometer/ | DIY Spectrophotometer | Kevin Dady | [
"Tool Hacks"
] | [
"Spectrophotometer"
] | [Charlie] has been making a
DIY Spectrophotometer
, and while it is a “shambling mess of information-age technology!” it is still much better than ours. Focused around an arduino, bits of lego, and a flashlight, this creative device rotates a diffraction grating (flake of compact disc) aimed at a photo resistor. As the... | 26 | 25 | [
{
"comment_id": "396299",
"author": "ZeroCool42",
"timestamp": "2011-05-20T11:14:30",
"content": "Spelling correction: Instead of course, I think you mean coarse.Sorry to nitpick!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "396300",
"author": "Hackius",... | 1,760,377,187.635522 | ||
https://hackaday.com/2011/05/19/nes-multi-cartridge/ | NES Multi-cartridge | Mike Szczys | [
"Nintendo Hacks"
] | [
"74hc161",
"binary counter",
"eprom",
"multicartridge",
"rom"
] | Here’s a mutlicartridge hack for the original NES that [Callan Brown] put together. He spent some time snooping around the signals on the circuit board seen above until he found the trace that maps the reset signal from the game console. This will be used to cycle through the various games stored on the cart’s memory c... | 17 | 17 | [
{
"comment_id": "396112",
"author": "Ron Ron Ron",
"timestamp": "2011-05-19T18:31:44",
"content": "Will save hours in useless cartridge blowing!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "396123",
"author": "fartface",
"timestamp": "2011-05-19T19:0... | 1,760,377,187.693849 | ||
https://hackaday.com/2011/05/19/reverse-engineering-a-cheap-led-message-marquee/ | Reverse Engineering A Cheap LED Message Marquee | Mike Szczys | [
"LED Hacks",
"Microcontrollers"
] | [
"ATmega88",
"usb"
] | [Hugo] went all out when sharing his findings while reverse engineering this small LED marquee. He purchased the 29×7 LED matrix for under $12 but was surprised to find that the USB connector wasn’t a standard type and didn’t come with a cable. He first soldered a standard connector in place and then
set out to make th... | 28 | 21 | [
{
"comment_id": "396086",
"author": "Robert Ely",
"timestamp": "2011-05-19T17:25:21",
"content": "From what I can tell he’s Not actually connecting over a USB cable. Just Serial. He mentions it could be possible with V-usb and i agree, with some modifications I think it would be very possible.",
... | 1,760,377,187.762343 | ||
https://hackaday.com/2011/05/18/quick-project-hard-drive-system-meter/ | Quick Project: Hard Drive System Meter | Caleb Kraft | [
"Peripherals Hacks"
] | [
"meter",
"quick"
] | [Ginge] sent in this fun little project. He gave himself 3 hours to complete a hack (not including research time) and
managed to come up with this cool activity meter
. He handles the entire project like it is some kind of contest. Ground rules are laid out, requiring practicality of the final product, minimum investme... | 7 | 6 | [
{
"comment_id": "395777",
"author": "Rick",
"timestamp": "2011-05-18T21:41:52",
"content": "Neat. This is a great example of the hacking spirit!I also like the idea of the 3-hour hack.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "395795",
"author": "Ging... | 1,760,377,187.807419 | ||
https://hackaday.com/2011/05/18/lego-technic-super-8-movie-projector/ | Lego Technic Super 8 Movie Projector | Mike Nathan | [
"Video Hacks"
] | [
"lego",
"projector",
"super 8",
"Technic"
] | It always blows our mind to see the things that people dream up when playing with Lego. Given enough time, you could likely replicate almost any mechanical device with the right amount and type of blocks.
[Friedemann Wachsmuth] recently wrapped up construction on
a very impressive Super-8 movie projector
with the help ... | 17 | 17 | [
{
"comment_id": "395723",
"author": "mlseim",
"timestamp": "2011-05-18T19:37:29",
"content": "wow … is all I can say.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "395737",
"author": "zool",
"timestamp": "2011-05-18T19:56:40",
"content": "cool but... | 1,760,377,187.990412 | ||
https://hackaday.com/2011/05/18/dinos-2-axis-camera-dolly/ | Dino’s 2 Axis Camera Dolly | Caleb Kraft | [
"digital cameras hacks"
] | [
"cnc",
"photography"
] | [Dino], who has become a regular face here on hackaday, sent us one of his weekly projects that we thought was pretty cool. He wanted to
shoot some video of photographs to commemorate his late mother
. The goal was to achieve the “
Ken Burns Effect
“, but in hardware instead of just doing it in software. To do this, h... | 6 | 6 | [
{
"comment_id": "395830",
"author": "Kevin",
"timestamp": "2011-05-19T00:10:24",
"content": "Interesting…. I prefer After Effects for this sort of work, but we all use the tools we know how to use.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "395836",
"a... | 1,760,377,187.933496 | ||
https://hackaday.com/2011/05/18/fixing-arduinos-serial-latency-issues/ | Fixing Arduino’s Serial Latency Issues | Mike Nathan | [
"Arduino Hacks"
] | [
"arduino",
"java",
"latency",
"processing",
"serial",
"Teensy"
] | [Paul] wrote in to tell us about some interesting
Arduino latency issues
he helped nail down and fix on the Arduino.
It seems that [Michu] was having some problems with controlling his
Rainbowduino project
we featured earlier this year, and he couldn’t quite figure out why he was experiencing such huge delays when send... | 42 | 40 | [
{
"comment_id": "395675",
"author": "Anne Nonymous",
"timestamp": "2011-05-18T17:00:28",
"content": "It’s JAVA, it’s not meant for any sort of low level bit-banging, or anything else that requires sub – mSec response times.Rewrite it in C/ASM, and watch latency drop to uS.",
"parent_id": null,
... | 1,760,377,188.357394 | ||
https://hackaday.com/2011/05/18/blowing-up-capacitors/ | Blowing Up Capacitors | Caleb Kraft | [
"home entertainment hacks"
] | [
"boom",
"destruction",
"explode"
] | [grenadier] wrote in to show us a video of some capacitors being blown up. Yup, that’s it.
Just some capacitors being blown up
. You might be wondering what there is to learn from this video. The answer is… nothing. It sure is fun to watch though. We’re all busy trying to find some nice hacks to share with you, so we f... | 45 | 42 | [
{
"comment_id": "395646",
"author": "Alex",
"timestamp": "2011-05-18T15:42:26",
"content": "I enjoyed dumping my 330J 170V capacitor bank into the pencil-eraser-sized electrolytics from old computer motherboards. They went off like firecrackers. That was a lot of fun.",
"parent_id": null,
"d... | 1,760,377,188.088291 | ||
https://hackaday.com/2011/05/17/awesome-custom-disco-basement/ | Awesome Custom Disco Basement | Mike Nathan | [
"LED Hacks"
] | [
"led",
"leds",
"pic",
"pwm",
"rgb"
] | [Evan] is
one of those neighbors you only wish you had
.
His neighbors were renovating their basement for use as home theater, and he stopped by to check out how things were coming along. While there, he suggested they add some LED lighting to their shelving unit to make them pop. His neighbors were game, so he sourced... | 14 | 14 | [
{
"comment_id": "395362",
"author": "oodain",
"timestamp": "2011-05-17T22:09:20",
"content": "very cool,is there a program for maintaining a minimum light level while running virtualizations?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "395370",
"author"... | 1,760,377,188.223253 | ||
https://hackaday.com/2011/05/17/bluetooth-super-nintendo-controller-for-android-gaming/ | Bluetooth Super Nintendo Controller For Android Gaming | Mike Nathan | [
"Android Hacks",
"Arduino Hacks"
] | [
"android",
"arduino",
"bluesmirf",
"bluetooth",
"controller",
"snes"
] | [Rich] needed to come up with a senior design project and decided to combine two things he loved:
his Android phone and Super Nintendo
.
While touchscreen phones are great, he felt that nothing beats the tactile feedback of a physical controller when it comes to gaming. He figured out how the controller’s signaling wor... | 21 | 21 | [
{
"comment_id": "395372",
"author": "IceBrain",
"timestamp": "2011-05-17T22:45:12",
"content": "Nice. The BT modem is a little expensive, but you could use the much cheaper Silver module – it’s not like you could play more than 50 feet away from your phone anyway ;)An N64 version would be excellent.... | 1,760,377,188.279999 | ||
https://hackaday.com/2011/05/19/a-computer-controlled-shutter-for-polaroid-packfilm-cameras/ | A Computer-controlled Shutter For Polaroid Packfilm Cameras | Brian Benchoff | [
"digital cameras hacks"
] | [
"camera",
"pic",
"polaroid",
"shutterspeed"
] | [Georg] wanted to modify his old Polaroid land camera so he could have control over the exposure time.
The resulting project
is a neat hack, if we say so ourselves.
The stock electronics in Polaroid 100-series Packfilm cameras were a simple analog computer that integrates current through a light-sensitive resistor. Thi... | 11 | 11 | [
{
"comment_id": "396064",
"author": "rautiocination",
"timestamp": "2011-05-19T16:37:24",
"content": "i recently discovered these old packfilm cameras (well discovered fuji still makes the film) and the lack of shutter/exposure control on them is a paaaain.i ended up buying a (fully manual) polaroid... | 1,760,377,188.170598 | ||
https://hackaday.com/2011/05/19/an-alarm-for-every-day-of-the-week/ | An Alarm For Every Day Of The Week | Mike Szczys | [
"clock hacks"
] | [
"18F2550",
"hd44780",
"lm044l",
"pic"
] | If you don’t have a 9-to-5 type of job you might find yourself constantly resetting your alarm clock as your calendar commitments change. [Lucas] finally got fed up with the nightly ritual and decided to build his own
alarm clock which has unique settings for each day of the week
(
translated
).
The display itself is a... | 27 | 27 | [
{
"comment_id": "396040",
"author": "Joe",
"timestamp": "2011-05-19T15:16:11",
"content": "I have one of these already. I call it a phone!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "396043",
"author": "holly_smoke",
"timestamp": "2011-05-19T15:25:... | 1,760,377,188.522395 | ||
https://hackaday.com/2011/05/19/1hz-timebase/ | 1Hz Timebase | Caleb Kraft | [
"Tool Hacks"
] | [
"basics",
"frequency"
] | Check out this nice simple method of
achieving a 1Hz timebase
. This is basically a lesson in dividing crystal frequencies in circuits to get the desired result. In this case, they are starting with a 32.768KHz crystal and dividing it down. Instead of using an NE555 like many projects, he chose to go a direction that w... | 16 | 16 | [
{
"comment_id": "396029",
"author": "Bogdan",
"timestamp": "2011-05-19T14:17:10",
"content": "The theory and explanation are well written, the circuit presents some good working principles.But it is rather useless for a project with modern components.",
"parent_id": null,
"depth": 1,
"re... | 1,760,377,188.411538 | ||
https://hackaday.com/2011/05/19/displaying-video-and-gifs-on-rgb-led-matrices/ | Displaying Video And Gifs On RGB LED Matrices | Mike Nathan | [
"LED Hacks"
] | [
"animation",
"fpslic",
"led",
"matlap",
"matrix",
"rgb",
"webcam"
] | [Mathieu] was on holiday in China and picked up some fun toys while perusing the numerous electronics markets there. The most interesting things he discovered
were a pair of RGB LED matrices
. They came in two different flavors, one made for indoor and one for outdoor displays, sporting a 64×32 and 32×16 resolution, re... | 14 | 14 | [
{
"comment_id": "395999",
"author": "Scott",
"timestamp": "2011-05-19T11:49:21",
"content": "Well done! I couldn’t get away from this image, though:http://banbillboardblight.org/wp-content/uploads/2009/04/blade-runner.jpg",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,377,188.459792 | ||
https://hackaday.com/2011/05/18/uber-keyboard-hides-security-tools-in-plain-sight/ | Uber Keyboard Hides Security Tools In Plain Sight | Mike Nathan | [
"Security Hacks"
] | [
"keyboard",
"penetration",
"pentesting",
"security",
"usb",
"wifi"
] | [EverestX] works in the Security industry and is often required to recover or penetrate various systems for a variety of reasons. He wanted
to create an all-in-one tool
that he could easily carry from job to job which would provide him with several essential functions. He required that the device house a bootable opera... | 38 | 36 | [
{
"comment_id": "395784",
"author": "Frogz",
"timestamp": "2011-05-18T22:19:17",
"content": "2 things to improve ita: detatchable usb cable input(type b jack)and b: external hub ports for plugging MORE stuff into it",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id"... | 1,760,377,188.771735 | ||
https://hackaday.com/2011/05/18/arduino-arcade-rom-dumper/ | Arduino Arcade Rom Dumper | Kevin Dady | [
"Arduino Hacks"
] | [
"arcade",
"jamma",
"roms"
] | [Vincenzo] wanted to read some 82S129 bipolar proms, and why not, they were very common in the 1980’s arcade scene. The problem is that its kind of an odd ball part now, and typically only (even) more expensive EPROM programmers can read them. An Arduino, breadboard and some quick scripting quickly takes care of that p... | 12 | 8 | [
{
"comment_id": "395778",
"author": "davisr",
"timestamp": "2011-05-18T21:41:56",
"content": "I did something like this a few years ago for an Atari ROM; I love the flexibility of arduino.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "395783",
"author": "... | 1,760,377,188.699008 | ||
https://hackaday.com/2011/05/18/aux-in-hacking-an-04-subaru-radio/ | Aux-in Hacking An ’04 Subaru Radio | Jesse Congdon | [
"Radio Hacks"
] | [
"car audio",
"car stereo"
] | [Jordan] writes in to show us his hacked up
car stereo
. [Jordan]’s 2004 Subaru, like many of our cars, does not offer any kind of auxiliary input, and aux-in/mp3 adapters tend to run on the not so cheap side of the price scale. Even a replacement head unit was too rich for his blood. So it was time to wire something t... | 26 | 21 | [
{
"comment_id": "395767",
"author": "john",
"timestamp": "2011-05-18T21:10:23",
"content": "Excellent! I was thinking about if this could be done too- my only problem is my subaru impreza is an 06 and the head unit might be similar, but it is a double din. still this inspires me to take it out and... | 1,760,377,188.647447 | ||
https://hackaday.com/2011/05/17/rfid-smart-card-reader/ | RFID Smart Card Reader | Caleb Kraft | [
"Security Hacks"
] | [
"basic",
"rfid"
] | [Navic] wrote in to show us his latest project. This is a
portable smart card reader with a nice LCD display
. he just happened to have a Basic Stamp 2px, smart card reader, and smart card reader/writer sitting around waiting to be used. What better use than a hand held smart card reader? Tossing the bits together in ... | 9 | 9 | [
{
"comment_id": "395381",
"author": "Hacksaw",
"timestamp": "2011-05-17T23:23:49",
"content": "Can you say portable identity theft machine?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "395382",
"author": "Hacksaw",
"timestamp": "2011-05-17T23:26:23",... | 1,760,377,188.815937 | ||
https://hackaday.com/2011/05/17/electro-static-see-saw/ | Electro-static See-saw | Caleb Kraft | [
"Toy Hacks"
] | [
"basics",
"high voltage",
"learning"
] | Many of you may have seen these fun little toys in museums or possibly even in school. Instructibles user [brazilero2008] takes us through the process of
constructing one on our own
.
Most of this toy are constructed from fairly household materials like foil, paper, straws etc. The fun part comes when you find the powe... | 3 | 3 | [
{
"comment_id": "395323",
"author": "ehud42",
"timestamp": "2011-05-17T19:10:03",
"content": "Years ago (back when large CRT TV’s were popular – remember those?) I built a static motor based on Franklin’s bells design. I used the iron radiator in the living room for the ground sink, and a large shee... | 1,760,377,188.959063 | ||
https://hackaday.com/2011/05/17/last-mile-wifi-over-tv-white-space/ | Last Mile WiFi Over TV White Space | Mike Nathan | [
"Wireless Hacks"
] | [
"last mile",
"tv",
"white space",
"wifi"
] | What do you do when you can’t afford broadband and no-cost WiFi is just out of reach?
That was the problem Rice University
grad student [Ryan Guerra] was tasked with solving
. A local Houston resident could barely tap into the free service offered in her area, so [Ryan] set out to extend the signal’s range using white ... | 26 | 24 | [
{
"comment_id": "395285",
"author": "Alex",
"timestamp": "2011-05-17T17:16:02",
"content": "That’s quite impressive.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "395286",
"author": "9a3eedi",
"timestamp": "2011-05-17T17:19:30",
"content": "But wh... | 1,760,377,190.765713 | ||
https://hackaday.com/2011/05/17/transforming-robot-is-more-than-meets-the-eye/ | Transforming Robot Is More Than Meets The Eye | Mike Nathan | [
"Robots Hacks",
"Transportation Hacks"
] | [
"helicopter",
"robots",
"transformer"
] | Let’s face it – building robust robots isn’t exactly easy. When designing them, builders often focus on a single method of locomotion in attempts to create a robust, reliable means of transportation. Whether it moves on the ground or in the air, there are always compromises to be made when designing a robot with the ab... | 15 | 15 | [
{
"comment_id": "395254",
"author": "anonymous",
"timestamp": "2011-05-17T15:53:55",
"content": "awwww how cute i want one too",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "395263",
"author": "DanJ",
"timestamp": "2011-05-17T16:17:36",
"content": ... | 1,760,377,190.574194 | ||
https://hackaday.com/2011/05/17/hardware-handshaking-for-avr/ | Hardware Handshaking For AVR | Kevin Dady | [
"Peripherals Hacks"
] | [
"RTS/CTS"
] | Serial communication is still an important part of our embedded world. Typically we use a 3 wire setup (RX TX and GROUND) and hope that everything goes according to plan. Though this works for most experimenters, sometimes its not the most ideal situation. This is where [simmonmt’s] handiwork comes in adding
hardware ... | 22 | 22 | [
{
"comment_id": "395191",
"author": "fartface",
"timestamp": "2011-05-17T12:21:10",
"content": "What most of you need to learn is RS485. Want to send serial data 800 feet? Rs485. Want to send it 1200feet through a lot of electrical interference generating rooms? Rs485. rs485 can be full duplex... | 1,760,377,190.945584 | ||
https://hackaday.com/2011/05/16/cheap-and-reliable-portable-face-recognition-system/ | Cheap And Reliable Portable Face Recognition System | Mike Nathan | [
"Security Hacks"
] | [
"atmega",
"face recognition",
"matlab",
"scanner"
] | For their senior ECE 4760 project, engineering students [Brian Harding and Cat Jubinski] put together a pretty impressive
portable face recognition system called FaceAccess
. The system relies on the eigenface method to help distinguish one user from another, a process that the pair carried out using MatLab.
They say t... | 16 | 16 | [
{
"comment_id": "394997",
"author": "bty",
"timestamp": "2011-05-16T23:15:19",
"content": "nice, .. but holding up a picture of the person will likely also work.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "395007",
"author": "M4CGYV3R",
"timestamp":... | 1,760,377,190.703348 | ||
https://hackaday.com/2011/05/16/dimming-control-for-an-ikea-solar-desk-lamp/ | Dimming Control For An Ikea Solar Desk Lamp | Mike Szczys | [
"home hacks",
"Microcontrollers"
] | [
"attiny13",
"ikea",
"lamp",
"led",
"pwm",
"solar"
] | [Frank] decided to augment his desk lamp’s features by
adding dimming controls
(
translated
). Since the light source is a triad of LEDs the best method of dimming their intensity is to use Pulse Width Modulation. That’s the method that he went with, and luckily the
SUNNAN lamp from Ikea
which he’s using as the donor f... | 15 | 15 | [
{
"comment_id": "394964",
"author": "pff",
"timestamp": "2011-05-16T21:52:48",
"content": "solar led desk lampdimmingserious? is it that bright?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "394966",
"author": "superlopez",
"timestamp": "2011-05-16T21... | 1,760,377,190.516955 | ||
https://hackaday.com/2011/05/15/home-made-blinkm-units/ | Home Made BlinkM Units | Caleb Kraft | [
"LED Hacks"
] | [
"blinkm",
"display",
"matrix",
"sparkfun"
] | [Stephen] wrote in to show us this fun
LED wall he constructed
in his house. He says he was inspired by
this project
, but found the cost of the
BlinkM
units from sparkfun to be out of his price range. He really liked how they worked though, so he downloaded the schematic and firmware and built his own. He was able to ... | 33 | 32 | [
{
"comment_id": "394502",
"author": "Stephen Shaffer",
"timestamp": "2011-05-15T15:41:19",
"content": "the video is a 29Mb avi file, here is the link from the html source code:http://sjalbers.nl/Atmel/BlinkM/MVI_1022.AVI",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"commen... | 1,760,377,190.648774 | ||
https://hackaday.com/2011/05/14/optimizing-code-for-pwm-efficiency/ | Optimizing Code For PWM Efficiency | Brian Benchoff | [
"Microcontrollers"
] | [
"code",
"microcontroller",
"pwm"
] | For some projects, it’s okay to have a microcontroller twiddling it’s thumbs most of the time. When a project requires the cpu to do just one thing over and over, there’s no loss with inefficient code – it either works or it doesn’t. However, if a project requires a microcontroller to do several things at once, like re... | 36 | 36 | [
{
"comment_id": "394286",
"author": "doubleup",
"timestamp": "2011-05-14T20:04:42",
"content": "Beautiful, I was looking at this exact problem, but with a PIC16f628A.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "394288",
"author": "therian",
"timesta... | 1,760,377,191.02151 | ||
https://hackaday.com/2011/05/14/japanese-maid-mods-a-furby/ | Japanese Maid Mods A Furby | Caleb Kraft | [
"Toy Hacks"
] | [
"furby"
] | This video
has been floating around the web recently and we thought that some of you might enjoy it. After a quick google search, we found out that this is [Julie Watai], a singer/model who also enjoys hardware modification. In this video, she’s doing a tutorial on how to circuit bend furbies. No, we have no idea why s... | 49 | 49 | [
{
"comment_id": "394232",
"author": "Cal",
"timestamp": "2011-05-14T17:09:00",
"content": "She could mod my furby any day.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "394233",
"author": "ViperMD",
"timestamp": "2011-05-14T17:10:34",
"content": "... | 1,760,377,190.885494 | ||
https://hackaday.com/2011/05/14/bluetooth-media-remote-in-an-n64-controller/ | Bluetooth Media Remote In An N64 Controller | Caleb Kraft | [
"Peripherals Hacks",
"Wireless Hacks"
] | [
"bluetooth",
"remote"
] | [Phik] wrote in to share his very first microcontroller project with us. He built a
bluetooth remote in an old Nintendo 64 controller
to control an audio application on his computer. He had been building up the individual modules with the controller in mind for some time, but initially had no idea what kind of enclosur... | 5 | 5 | [
{
"comment_id": "394289",
"author": "Haku",
"timestamp": "2011-05-14T20:14:31",
"content": "Interesting, I like it.Does anyone know what LCD screen is used for this N64 hack? the only miniature 16×2 character module I can find has 1mm pin pitch ribbon cable and the N64 one appears to have pin header... | 1,760,377,190.805544 | ||
https://hackaday.com/2011/05/13/emulating-a-marching-band-with-wearable-instruments/ | Emulating A Marching Band With Wearable Instruments | Brian Benchoff | [
"Arduino Hacks",
"Musical Hacks"
] | [
"arduino",
"glove",
"midi",
"wearable computing"
] | [Scott] is a design and technology master’s student who just came up with
The Imaginary Marching Band
– virtual band instruments you can wear on your hand.
Taking inspiration from Minority Report and the
NES Power Glove
, the system is able to emulate 6 instruments at this point – A trumpet, trombone, tuba, snare drum,... | 9 | 9 | [
{
"comment_id": "393985",
"author": "zool",
"timestamp": "2011-05-13T23:25:17",
"content": "hah cool, i’m working on something similari’ll have to check out that air pressure sensor",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "394010",
"author": "addidis... | 1,760,377,191.072271 | ||
https://hackaday.com/2011/05/13/stress-testing-robots-with-baseball-bats/ | Stress Testing Robots…with Baseball Bats | Mike Nathan | [
"Robots Hacks"
] | [
"awesome",
"robot",
"terminator",
"testing"
] | When you are working on constructing
the first Cyberdyne Systems Model 101 prototype
a super-robust robotic arm, you’ve got to test it somehow, right?
You probably recognize the robot being abused in the video below, as
we have talked about the construction of its hand once once before
. The German Aerospace Center has... | 39 | 39 | [
{
"comment_id": "393957",
"author": "Bob D",
"timestamp": "2011-05-13T21:27:51",
"content": "I hope the next step is to improve the control and sensor system to it can duck.(Beating robots with baseball bats: This is why the bots create skynet.)",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,377,191.149016 | ||
https://hackaday.com/2011/05/13/usb-geiger-counter-hack/ | USB Geiger Counter Hack | Mike Nathan | [
"Misc Hacks"
] | [
"attiny",
"geiger counter",
"usb"
] | [Vic] bought a Kvarts DRSB-01 Geiger counter a few years ago,
and recently dug it out of his electronics stash
. The counter is a run of the mil no-frills unit. It lacks any kind of LCD display and it cannot be calibrated, so Sievert exposure ratings are out of the question. The unit essentially monitors background rad... | 17 | 17 | [
{
"comment_id": "393873",
"author": "Richard",
"timestamp": "2011-05-13T17:20:22",
"content": "Would be a cool experiment to hook it up to an android device as an interface to the device. 3.1 has USB support and of course you know about the new support for the ADK",
"parent_id": null,
"dept... | 1,760,377,191.203912 | ||
https://hackaday.com/2011/05/13/adding-midi-to-a-very-old-drum-machine/ | Adding MIDI To A Very Old Drum Machine | Brian Benchoff | [
"Musical Hacks"
] | [
"drum machine",
"midi",
"pic"
] | Long before drum machines played samples from an SD card or EPROM, drum sounds were analog – just filtered waveforms and noise. To the modern eye, these are very primitive machines, but for [Andrew], they’re the inspiration for this
brilliant hack
.
[Andrew] took a
Roland CR-68
drum machine from 1978 and added MIDI inp... | 8 | 8 | [
{
"comment_id": "393840",
"author": "ALF",
"timestamp": "2011-05-13T16:05:05",
"content": "What about adding MIDI out? is that possible?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "393845",
"author": "fartface",
"timestamp": "2011-05-13T16:26:55",
... | 1,760,377,191.434665 | ||
https://hackaday.com/2011/05/13/using-googles-adk-on-standard-arduino-hardware/ | Using Google’s ADK On Standard Arduino Hardware | Mike Nathan | [
"Android Hacks",
"News"
] | [
"adk",
"arduino",
"firmware",
"google",
"usb shield"
] | When we heard that Google’s open accessory development standard was forthcoming, we were pretty excited. However once we heard that the reference hardware kit was going to cost nearly $400, our thoughts changed to, “Surely you can’t be serious.”
Well, Google is dead serious (and we hear they don’t take kindly to being ... | 27 | 27 | [
{
"comment_id": "393770",
"author": "spiritplumber",
"timestamp": "2011-05-13T13:13:20",
"content": "This is the guy who did the Microbridge, for the record. Expect a Propeller port soon.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "393776",
"author": "g... | 1,760,377,191.593105 | ||
https://hackaday.com/2011/05/13/monitor-your-homes-power-usage-on-the-cheap/ | Monitor Your Home’s Power Usage On The Cheap | Mike Nathan | [
"home hacks"
] | [
"AVR",
"electricity",
"ir",
"power meter",
"whole house meter"
] | [Paul] was pretty sure that he and his family used a lot of electricity throughout the day. Admittedly, he enjoys his creature comforts, but was wiling to try living a little greener. The problem was,
he had no idea how much electricity he was using at a given time
.
While some power companies offer devices allowing ho... | 56 | 50 | [
{
"comment_id": "393725",
"author": "andy",
"timestamp": "2011-05-13T11:34:32",
"content": "first post, woo!now if only i could find a meter like that, Jim",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "609206",
"author": "Fernando SIlva",
"t... | 1,760,377,191.773829 | ||
https://hackaday.com/2011/05/12/chipkit-max32-an-arduino-mega-upgrade-with-a-pic32-under-the-hood/ | ChipKIT Max32, An Arduino Mega Upgrade With A PIC32 Under The Hood | Jesse Congdon | [
"Arduino Hacks"
] | [
"arduino mega",
"max32",
"pic32"
] | For those of you who are looking to put some power behind your Arduino shields, Digilent just released their
chipKIT Max32
prototyping platform. The board features a Pic 32 microcontroller, USB programmer and all the things you would typically expect from a development board.
The PIC32MX795F512 is a 32-bit MIPS proc... | 91 | 50 | [
{
"comment_id": "393472",
"author": "Spork",
"timestamp": "2011-05-12T20:16:20",
"content": "Love me some 32bit micros.You kinda glossed over the fact that it’s compatible with Arduino IDE as does the website you link to.When you say compatible with arduino IDE, do you also mean the arduino librarie... | 1,760,377,191.68119 | ||
https://hackaday.com/2011/05/12/plastic-plate-capacitors/ | Plastic Plate Capacitors | Kevin Dady | [
"HackIt"
] | [
"diy capacitors"
] | We have been featuring some home made capacitors this week, and [Mike] wrote in to share his with us. While rolled capacitors are nice, they can be somewhat difficult to construct and grow to unwieldy sizes as capacitance and voltages increase. His solution is to
stack the layers up using plastic plates
.
In this forum... | 12 | 11 | [
{
"comment_id": "393453",
"author": "Bill",
"timestamp": "2011-05-12T19:14:03",
"content": "Seems like DIY capacitors should be a right of passage project (among others) for EE students.I remember building HV beer-bottle caps in High School.",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,377,191.827858 | ||
https://hackaday.com/2011/05/12/papercraft-flowers-teach-kids-about-batteries/ | Papercraft Flowers Teach Kids About Batteries | Mike Nathan | [
"how-to"
] | [
"batteries",
"how-to",
"kids",
"learning",
"leds",
"workshop"
] | [Emily Daniels] has been teaching interactive electronics workshops geared towards children for some time now, recently holding a session
that demonstrated how batteries work in a pretty novel fashion
.
She wanted to keep things safe and simple due to the class size, so she didn’t want to rely on using soldering irons ... | 6 | 6 | [
{
"comment_id": "393430",
"author": "razorconcepts",
"timestamp": "2011-05-12T18:25:51",
"content": "We already saw more like it… one year ago right here!http://hackaday.com/2009/04/05/simple-elegant-lemon-battery/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,377,191.869514 | ||
https://hackaday.com/2011/05/12/macetech-is-looking-for-a-few-good-processing-programmers/ | Macetech Is Looking For A Few Good Processing Programmers | Mike Nathan | [
"cons"
] | [
"led",
"maker faire",
"processing"
] | [Garrett Mace] wrote to us in hopes of
finding a few good programmers to help him out
with a project he’s been working on for Maker Faire Bay Area 2011.
More specifically, he is looking for Processing programmers who are also pretty decent with graphics. Macetech’s big project for this year’s Maker Faire is a large ove... | 7 | 7 | [
{
"comment_id": "393400",
"author": "Alex Parting",
"timestamp": "2011-05-12T17:27:09",
"content": "Nice looks like it’ll be fun",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "393403",
"author": "Andrew O'Malley",
"timestamp": "2011-05-12T17:30:10",
... | 1,760,377,191.915287 | ||
https://hackaday.com/2011/05/12/adding-a-tachometer-to-the-sx2-mini-mill/ | Adding A Tachometer To The SX2 Mini Mill | Mike Nathan | [
"Arduino Hacks",
"cnc hacks"
] | [
"arduino",
"cnc",
"mill",
"sx2",
"tachometer"
] | [Jeff] recently bought an SX2 mini milling machine with plans to eventually automate it for use as a CNC mill. After paying nearly $700 for the mill, he decided there was no way he was willing to pay for the $125 tachometer add on as well. Instead,
he reverse-engineered the mill and constructed a tachometer of his own
... | 13 | 13 | [
{
"comment_id": "393370",
"author": "BiOzZ",
"timestamp": "2011-05-12T15:25:56",
"content": "firsties,very good job! … short and simple and saves a buck",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "393371",
"author": "ProfP",
"timestamp": "2011-05-12... | 1,760,377,191.966072 | ||
https://hackaday.com/2011/05/12/bringing-the-game-of-tag-into-the-digital-age/ | Bringing The Game Of Tag Into The Digital Age | Mike Nathan | [
"LED Hacks",
"Misc Hacks"
] | [
"game",
"led",
"lumalive",
"RF",
"tag"
] | How long has it been since you’ve played a game of tag?
[Sylvia Cheng, Kibum Kim, and Roel Vertegaal] from Queen’s University’s human media lab
have concocted a fun twist on the classic game
that just might compel you to start playing again.
Their game, called TagURIt, arms two players with Lumalive LED t-shirts which ... | 8 | 8 | [
{
"comment_id": "393326",
"author": "The Cageybee",
"timestamp": "2011-05-12T12:02:18",
"content": "I’m liking the matrix on it. Love to know how they did that.As for the game bit, it’ll only end in tears! :(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3933... | 1,760,377,192.010414 | ||
https://hackaday.com/2011/05/11/automating-rock-band-vocals/ | Automating Rock Band Vocals | Mike Nathan | [
"Musical Hacks",
"Playstation Hacks"
] | [
"atmega644",
"playstation",
"rock band",
"vocals"
] | When it comes to Rock Band, our friends suck at singing. No, really.
We’re cool with them beating on the drum set completely off-time, but the sound of them trying to sing “Tom Sawyer” makes us want to cut out our eardrums.
We’re willing to bet that Cornell students [Gautam Kamath and Dominick Grochowina] have friends ... | 22 | 22 | [
{
"comment_id": "393080",
"author": "akeldamach",
"timestamp": "2011-05-11T22:20:55",
"content": "video or it didn’t happen",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "393083",
"author": "Matt",
"timestamp": "2011-05-11T22:33:59",
"content": "To... | 1,760,377,192.069208 | ||
https://hackaday.com/2011/05/11/google-in-my-lightbulbs-its-more-likely-than-you-think/ | Google? In My Lightbulbs? It’s More Likely Than You Think | Mike Nathan | [
"Android Hacks",
"News"
] | [
"android",
"google",
"home automation",
"LED lighting",
"wireless"
] | With the recent announcement and release of their ADK, it was only a matter of time before Google started invading your home in a big way. From the looks of it,
Google will be jumping into the home lighting market very shortly
, which could prove to be quite interesting.
Partnering with Florida-based Lighting Sciences,... | 55 | 50 | [
{
"comment_id": "393023",
"author": "amishx64",
"timestamp": "2011-05-11T21:06:31",
"content": "Skynet in-home integration part 1 commencing…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "393029",
"author": "Anton Onszers",
"timestamp": "2011-05-11T21... | 1,760,377,192.153751 | ||
https://hackaday.com/2011/05/11/gsm-to-skype-bridge-lets-you-lose-those-roaming-fees/ | GSM-to-Skype Bridge Lets You Lose Those Roaming Fees | Mike Szczys | [
"Cellphone Hacks"
] | [
"gsm",
"modem",
"skype",
"wifi"
] | Here’s the scenario: you’re going to be traveling somewhere and you’ll be charged roaming fees if you use your cellphone. But there is free WiFi available in this place. You can save yourself money by
leaving your SIM card at home and using a GSM-to-Skype bridge to take calls on your phone via WiFi
.
[Trax] is using a ... | 21 | 21 | [
{
"comment_id": "393006",
"author": "poopiebritches",
"timestamp": "2011-05-11T20:22:47",
"content": "The reason why it can’t send audio through USB is because it probably only has a USB to UART converter and a barebones radio inside. It appears to be the same DealExtreme adapter covered earlier in ... | 1,760,377,192.211492 | ||
https://hackaday.com/2011/05/11/touch-based-synthesizer-is-a-wiring-nightmare/ | Touch-based Synthesizer Is A Wiring Nightmare | Mike Szczys | [
"digital audio hacks",
"Multitouch Hacks"
] | [
"atmega644",
"resistive",
"touch screen"
] | [Jane] wrote in to let us know about the
touch-based synthesizer she and her classmates just built
. They call it the ToneMatrix Touch, as it was inspired by
a flash application called ToneMatrix
. We’re familiar with that application as it’s been the
inspiration for other physical builds
as well.
A resistive touch scr... | 10 | 10 | [
{
"comment_id": "392989",
"author": "chango",
"timestamp": "2011-05-11T19:46:50",
"content": "Is it still an LED matrix if each LED gets its own driver? Also the parallax coming from the big gap between the touch panel and the array looks like it could be problematic. The software looks pretty slic... | 1,760,377,192.313174 | ||
https://hackaday.com/2011/05/11/adding-power-trim-to-a-boat/ | Adding Power Trim To A Boat | Mike Szczys | [
"Transportation Hacks"
] | [
"actuator",
"boat",
"trim"
] | [Matt’s] boat had a trim plate that could be adjusted by hand. The problem with this setup is that the trim angle of a boat changes as you speed up or slow down. Last year he never really went over 35 MPH because of this issue, but he set out to correct that by
adding power trim plates for the upcoming boating season
.... | 16 | 16 | [
{
"comment_id": "392967",
"author": "Taylor Alexander",
"timestamp": "2011-05-11T19:04:05",
"content": "Actually, the final final step would be to add some logic based on the speed or angle of the boat or something that automatically adjusts it. :)But I’m not clear on when it needs to be changed so ... | 1,760,377,192.377233 | ||
https://hackaday.com/2011/05/10/open-source-linear-bearing-system/ | Open Source Linear Bearing System | Mike Nathan | [
"News",
"Tool Hacks"
] | [
"bearing",
"cnc",
"makerslide",
"open source",
"rails"
] | While we normally don’t make it a habit to feature Kickstarter projects, we couldn’t pass this one up. [Barton Dring] from BuildLog.net is
putting together a project called MakerSlide
that we’re sure will interest many of you out there.
Through his various CNC builds, he has found that one of the more expensive and fru... | 53 | 50 | [
{
"comment_id": "392448",
"author": "Hackerspacer",
"timestamp": "2011-05-10T19:03:18",
"content": "Why doesn’t 80/20 just make these?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "392457",
"author": "satiagraha",
"timestamp": "2011-05-10T19:17:26",
... | 1,760,377,192.706764 | ||
https://hackaday.com/2011/05/10/diy-portal-turret-is-looking-pretty-good/ | DIY Portal Turret Is… Looking Pretty Good. | Jesse Congdon | [
"Arduino Hacks",
"how-to"
] | [
"molding",
"motion sensing",
"portal",
"turret"
] | [Ryan Palser] wrote in to tell us about his
Portal Turret
. [Ryan] set about making this Portal 1 style turret by first carving a Styrofoam form, bondo and waxing then casting molds of the various components. Anyone interested in mold making (like us) should check out all the pictures and comments in the stream. The tu... | 19 | 19 | [
{
"comment_id": "392411",
"author": "Hackerspacer",
"timestamp": "2011-05-10T18:03:27",
"content": "The only way to make this better would be to 3d print it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "392414",
"author": "Hackius",
"timestamp": "201... | 1,760,377,192.762033 | ||
https://hackaday.com/2011/05/10/human-powered-quadcopter-flies-live-tomorrow/ | Human-powered Quadcopter Flies Live Tomorrow | Mike Szczys | [
"Transportation Hacks"
] | [
"helicopter",
"human-powered",
"quadcopter",
"sikorsky prize"
] | A team from the University of Maryland will be
taking their human-powered helicopter to the air tomorrow
. The current flight record for this type of vehicle is just over 19 seconds of flight at a height of about 8 feet. What surprises us about this attempt is that they’re not pedaling just one main rotor. It seems tha... | 30 | 29 | [
{
"comment_id": "392395",
"author": "Jason",
"timestamp": "2011-05-10T17:45:23",
"content": "Wow, I wish my school (ASU) was willing to partake in challenges like this! EXCITING!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "392416",
"author": "homer sim... | 1,760,377,192.831435 | ||
https://hackaday.com/2011/05/10/bit-banging-vga-from-an-sd-card-slot/ | Bit Banging VGA From An SD Card Slot | Mike Szczys | [
"Linux Hacks",
"Video Hacks"
] | [
"ben nanonote",
"bit banging",
"card slot",
"sd",
"vga"
] | If you’ve got some favorite electronic device that includes an SD card slot but doesn’t have a video out port you may be able to
push VGA signals through the card reader conductors
. That’s exactly what’s going on above with the Ben NanoNote, a
sub-$100 Linux device
which we’ve seen
using its SD card slot as general I/... | 14 | 14 | [
{
"comment_id": "392344",
"author": "Stephanie",
"timestamp": "2011-05-10T15:36:30",
"content": "Awesome sauce! Can’t deny though that it has the look of a system on life support! ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "392352",
"author": "Ren",
... | 1,760,377,192.5274 | ||
https://hackaday.com/2011/05/10/roll-your-own-capacitors-high-voltage-edition/ | Roll Your Own Capacitors – High Voltage Edition | Mike Szczys | [
"Misc Hacks"
] | [
"acetate",
"aluminum foil",
"capacitor",
"overhead projector",
"transparency",
"zip ties"
] | [Grenadier] tipped us off about his method for
building your own high-voltage capacitors
. He thought the
paper and foil capacitor project
was a nice introduction to the concepts, but at the same time he knew he could produce a much more powerful device.
For the dielectric he is using acetate film. This is the material... | 13 | 13 | [
{
"comment_id": "392345",
"author": "H3xx",
"timestamp": "2011-05-10T15:37:07",
"content": "Any thoughts to build a coil gun with something like this? It would make it very powerful.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "392358",
"author": "Anonym... | 1,760,377,192.883335 | ||
https://hackaday.com/2011/05/10/dont-hit-that-switch/ | Don’t Hit That Switch! | Mike Nathan | [
"Robots Hacks",
"Toy Hacks"
] | [
"box",
"R/C car",
"robot",
"toy"
] | Hackaday reader [Danukeru]
sent us a video featuring a box-based robot with an interesting personality
. The box is fairly simple and from the outside seems to consist only of a switch and an LED. When the switch is flipped however, the box comes to life.
When the box is activated, the lid opens, and a small arm reache... | 44 | 44 | [
{
"comment_id": "392281",
"author": "IcYhAwK",
"timestamp": "2011-05-10T11:07:22",
"content": "that is too cool. (if its legit)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "392282",
"author": "anton",
"timestamp": "2011-05-10T11:10:43",
"content"... | 1,760,377,192.999048 | ||
https://hackaday.com/2011/05/09/avr-gameboy-dumper/ | AVR Gameboy Dumper | Kevin Dady | [
"Nintendo Game Boy Hacks"
] | [
"cart dump"
] | [Kevan] has been hard at work latley developing a
Gameboy cart dumper
, and while there are a few loose ends to tie up, the device is functioning fine to build up his collection. Running an AVR (mega 16?) and a FTDI chip for the usb connection, the device reads the game’s ROM and SRAM, and can also write the SRAM if yo... | 19 | 18 | [
{
"comment_id": "392115",
"author": "dext3r",
"timestamp": "2011-05-10T02:08:36",
"content": "no source? cool pictures, i guess.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "392128",
"author": "Alex",
"timestamp": "2011-05-10T02:47:39",
"content"... | 1,760,377,193.061698 | ||
https://hackaday.com/2011/05/11/diy-hidden-bookshelf-speakers/ | DIY Hidden Bookshelf Speakers | Mike Nathan | [
"Musical Hacks"
] | [
"amplifier",
"books",
"class a",
"hidden",
"speakers"
] | [Steve] was tired of looking at the speakers in his workshop
and began searching around for something a little more aesthetically pleasing
. Having recently received a set of hollowed out books used for hiding things as a gift, he thought that he might be able to solve his speaker issue in a similar fashion.
He grabbed... | 10 | 10 | [
{
"comment_id": "392885",
"author": "Harvie.CZ",
"timestamp": "2011-05-11T16:14:11",
"content": "Shakespeakre",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "392895",
"author": "strider_mt2k",
"timestamp": "2011-05-11T16:23:46",
"content": "Looks li... | 1,760,377,193.113221 | ||
https://hackaday.com/2011/05/11/i2c-101/ | I2C 101 | Kevin Dady | [
"how-to"
] | [
"i2c"
] | Embedded Labs has come out with a very
detailed I2C 101 tutorial
, that you should check out if you have any questions on the system. I2C is a short distance serial interface that only requires 2 bus lines. Keep in mind that as wires go down complexity goes up. While there are more than a few I2C devices out there in ... | 15 | 15 | [
{
"comment_id": "392847",
"author": "Chris",
"timestamp": "2011-05-11T15:07:57",
"content": "Yeah, I’ll just run a 3rd wire, thanks.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "392848",
"author": "Ikari-Pt",
"timestamp": "2011-05-11T15:14:00",
"... | 1,760,377,193.16903 | ||
https://hackaday.com/2011/05/11/official-android-open-accessory-development-kit-its-an-arduino/ | Official Android Open Accessory Development Kit – It’s An Arduino | Brian Benchoff | [
"Android Hacks",
"Arduino Hacks",
"News"
] | [
"android",
"arduino",
"google"
] | A new
development kit
for android was unveiled at the Google I/O 2011 developer conference that
officially
supports the Arduino.
It looks like Google took a cue from
Circuits@Home
, because the interesting part of this dev kit is the fact that the shield can be put into USB Host mode. That’s great for phones and tablet... | 52 | 50 | [
{
"comment_id": "392824",
"author": "mono",
"timestamp": "2011-05-11T14:07:46",
"content": "Links is broked",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "392825",
"author": "elektrophreak",
"timestamp": "2011-05-11T14:08:27",
"content": "they are ... | 1,760,377,193.261271 | ||
https://hackaday.com/2011/05/11/machining-replacement-parts-with-hand-tools/ | Machining Replacement Parts With Hand Tools | Kevin Dady | [
"how-to"
] | [
"hand tools"
] | Jeff is a huge music fan, and like many of us likes old technology, so it seemed a bit silly (to him) that he did not have a turn table. His dad had a spare in the basement. A neat old Braun model from the 1970’s that was broken.
Opening the unit up he found that part of the arm mechanism was broken, and thanks to the ... | 18 | 18 | [
{
"comment_id": "392805",
"author": "Mike of England",
"timestamp": "2011-05-11T12:23:36",
"content": "Jeff, you the man! Not only have you fabricated a new part, but you have discovered one of the best ways to listen to music.Good on ya :)",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,377,193.315493 | ||
https://hackaday.com/2011/05/11/arduino-magnetic-core-memory-shield/ | Arduino Magnetic Core Memory Shield | Mike Nathan | [
"Arduino Hacks",
"classic hacks"
] | [
"arduino",
"magnetic core",
"non-volatile"
] | Magnetic core memory turns 60 years old today, and
as a tribute [Ben North and Oliver Nash] have created a 32-bit magnetic core memory board for the Arduino
.
Magnetic core memory was used from the 1950s through the 1970s, and provided a non-volatile means for storing data, as each magnetic core retained its orientatio... | 14 | 14 | [
{
"comment_id": "392787",
"author": "Slanderer",
"timestamp": "2011-05-11T11:19:23",
"content": "This is really impressive, actually. Unless this inspires enough other people, surplus cores from the 70’s are still available on ebay (although, occasionally shipped only from Bulgaria).It’s a especiall... | 1,760,377,193.376384 | ||
https://hackaday.com/2011/05/10/cheap-open-source-pace-clock-keeps-your-practice-on-schedule/ | Cheap Open-source Pace Clock Keeps Your Practice On Schedule | Mike Nathan | [
"Android Hacks",
"Misc Hacks"
] | [
"android",
"atmega",
"bluetooth",
"leds"
] | Pace clocks are used in a variety of sports, from swimming to track. The systems are typically expensive however, often beyond the reach of smaller organizations and underfunded programs. For their electrical and computer engineering final project, Cornell students [Paul Swirhun and Shao-Yu Liang] set out to build
a mu... | 10 | 10 | [
{
"comment_id": "392570",
"author": "Pedro",
"timestamp": "2011-05-10T23:00:22",
"content": "Good luck using those smart phones while swimming.Just kidding, this is awesome!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "392623",
"author": "Stevie",
"t... | 1,760,377,193.433263 | ||
https://hackaday.com/2011/05/10/diy-sound-localization-sensor/ | DIY Sound Localization Sensor | Mike Nathan | [
"Arduino Hacks",
"Misc Hacks"
] | [
"arduino",
"lm324n",
"op-amp",
"sound localization"
] | Sound localization is very popular in law enforcement circles due to its accuracy and ability to quickly separate gunshots from other similar noises. These systems don’t come cheap, and
after trying to build one himself, [Fileark] knows why
.
He thought it would be neat to build a sound localization sensor based on how... | 32 | 31 | [
{
"comment_id": "392518",
"author": "Ib",
"timestamp": "2011-05-10T21:41:36",
"content": "Nice Idea!I loled when he started shouting in the sensor.“Hellooo”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "392521",
"author": "lwatcdr",
"timestamp": "2011... | 1,760,377,193.505967 | ||
https://hackaday.com/2011/05/08/learning-electronics-concepts-step-by-step/ | Learning Electronics Concepts Step By Step | Mike Nathan | [
"Arduino Hacks",
"how-to"
] | [
"arduino",
"basics",
"learning",
"tutorials"
] | We realize that not everyone out there holds a degree in electrical engineering or has the ability to tell NPN transistors apart from PNP transistors by taste alone, so we occasionally like to mention things that appeal to the beginners in the crowd. While there is a clear division between Arduino supporters and detrac... | 38 | 38 | [
{
"comment_id": "391593",
"author": "rocketman1001",
"timestamp": "2011-05-08T16:54:49",
"content": "Whilst not wishing to detract from this work, may I recommend ‘The Art of Electronics’ by Horowitz and Hill. It provides a substantive learning curve from the basics – knowing your NPN from your PNP ... | 1,760,377,193.958366 | ||
https://hackaday.com/2011/05/08/generating-music-with-credit-cards/ | Generating Music With Credit Cards | Mike Nathan | [
"digital audio hacks",
"Musical Hacks"
] | [
"credit cards",
"magnetic stripe",
"music",
"pos terminal",
"Z-80"
] | [Steve] was browsing around at a local electronics surplus store
when he spotted an old Tranz 330 point-of-sale terminal that seemed pretty interesting
. He took it home and after disassembling it, found that it contained a Z-80 based computer. Because the 330 shares the same processor as other hobbyist-friendly device... | 19 | 19 | [
{
"comment_id": "391561",
"author": "Hackerspacer",
"timestamp": "2011-05-08T13:52:43",
"content": "So it is sort of like the Bar Code Battler but for credit cards.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "391569",
"author": "BiOzZ",
"timestamp":... | 1,760,377,193.733955 | ||
https://hackaday.com/2011/05/07/photon-banner/ | Photon Banner | Kevin Dady | [
"News",
"Peripherals Hacks"
] | [
"led matrix"
] | The Revision 2011 demo party that brought us” table for two” a little while ago along with some super demos for PC’s, retro, and state of the art, has also brought us the
Photon Banner
(google translate). The Photon Banner is a 96X24 led matrix that was made with (of course) 2304 5mm leds, and a atmega 644 clocked at 2... | 17 | 17 | [
{
"comment_id": "391378",
"author": "Brett W. (FightCube.com)",
"timestamp": "2011-05-07T20:57:18",
"content": "May I be the first to say HOLY CRAP THAT’S AWEXOME! I’ll take 3, built please ;-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "391379",
"auth... | 1,760,377,193.88166 | ||
https://hackaday.com/2011/05/07/rebecca-black-running-accessory-also-promotes-running-for-everyone-within-earshot/ | Rebecca Black Running Accessory Also Promotes Running For Everyone Within Earshot | Brian Benchoff | [
"Arduino Hacks"
] | [
"arduino",
"running",
"wave shield"
] | Last Friday, Friday we caught wind of [gvillenave]’s
running accessory
inspired by Rebecca Black, and we we we so excited, we so excited to bring this to you on Saturday, which comes after Friday.
[gvillenave] came up with the idea of using a song on the annoyance level of “Friday” to encourage a runner into keeping up... | 23 | 23 | [
{
"comment_id": "391310",
"author": "Bogdan",
"timestamp": "2011-05-07T15:51:33",
"content": "Erm… what’s with all the word repeating?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "391313",
"author": "David S",
"timestamp": "2011-05-07T15:53:44",
... | 1,760,377,194.076553 | ||
https://hackaday.com/2011/05/07/digital-picture-frame-reverse-engineering/ | Digital Picture Frame Reverse Engineering | Mike Nathan | [
"Misc Hacks"
] | [
"coby",
"photoframe",
"reverse engineering",
"serial flash",
"spi"
] | A few months ago [Jason] got his hands on a free Coby DP700WD digital picture frame
and thought it would be fun to hack
. After realizing that the frame did not run any sort of Linux-based OS he figured his options were pretty limited, but he gave it a shot anyways.
The frame came with a set of built in images, and his... | 22 | 19 | [
{
"comment_id": "391285",
"author": "Aaron",
"timestamp": "2011-05-07T13:39:05",
"content": "Well, certainly, anything you do with a “Coby” product is better than leaving it how it came from the factory — hacking it, tearing it down for parts, smashing it with a sledgehammer, whatever.",
"parent... | 1,760,377,194.018256 | ||
https://hackaday.com/2011/05/06/miniature-pc-packs-a-big-punch/ | Miniature PC Packs A Big Punch | Mike Nathan | [
"News"
] | [
"mini pc",
"olpc",
"raspberry pi"
] | We are always looking out for smaller yet capable computers for our projects, and
this newest offering by [David Braben] is looking mighty nice
. [David] is the head of a UK-based games studio, but has recently been focusing on bringing small, affordable PCs to classrooms around the world.
The computer, called Raspberr... | 107 | 50 | [
{
"comment_id": "391042",
"author": "1000100 1000001 1010110 1000101",
"timestamp": "2011-05-06T21:00:34",
"content": "Um…wow.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "391043",
"author": "jeff",
"timestamp": "2011-05-06T21:04:42",
"content": ... | 1,760,377,194.204294 | ||
https://hackaday.com/2011/05/06/advanced-robotic-arm-control-using-kinect/ | Advanced Robotic Arm Control Using Kinect | Mike Nathan | [
"Kinect hacks",
"Robots Hacks"
] | [
"arm",
"Kinect",
"openni",
"primesense",
"robot"
] | [Ryan Lloyd], [Sandeep Dhull], and [Ruben D’Sa] wrote in to share a robotics project they have been keeping busy with lately. The three University of Minnesota students
are using a Kinect sensor to remotely control a robotic arm
, but it’s not as simple as it sounds.
Using OpenNI alongside PrimeSense, the team started ... | 10 | 10 | [
{
"comment_id": "390994",
"author": "wheresTheLink",
"timestamp": "2011-05-06T17:58:08",
"content": "So… Where is the link to their site?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "391028",
"author": "PocketBrain",
"timestamp": "2011-05-06T19:43:30... | 1,760,377,194.122114 | ||
https://hackaday.com/2011/05/09/juggling-with-kinect/ | Juggling With Kinect | Mike Nathan | [
"Kinect hacks",
"News"
] | [
"Kinect",
"openni",
"xbox"
] | Some of the Kinect hacks we have featured here are quite useful in the realm of assisted living, others showcase what can be done with the clever application of video filters. Some…are just plain fun.
This pair of Kinect hacks are not necessarily going to win any awards for usefulness, but they are big on fun.
[Tom] pu... | 3 | 3 | [
{
"comment_id": "392025",
"author": "Spork",
"timestamp": "2011-05-09T22:30:22",
"content": "The DBZ one is awesome. Just need someone with graphics skills and you’d have a 15 minutes of fame hit game.. like angry birds.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"commen... | 1,760,377,194.245886 | ||
https://hackaday.com/2011/05/09/fbi-tracking-device-found-disassembled/ | FBI Tracking Device Found; Disassembled | Jeff Katz | [
"gps hacks",
"Teardown"
] | [
"carmen sandiego",
"fbi",
"gps",
"ifixit",
"teardown",
"waldo",
"wireless"
] | [
ifixit
] has apparently grown tired of
tearing apart
Apple’s latest gizmos, and their latest display of un-engineering has a decidedly more federal flair. You may have heard about
Yasir Afifi’s discovery
of a FBI-installed tracking device on his car back in October of last year. Apparently, the feds
abandoned a simil... | 46 | 45 | [
{
"comment_id": "391992",
"author": "Pin",
"timestamp": "2011-05-09T21:17:37",
"content": "The gps is not that old it just uses a active antina and will use difrant satellites to send it corrections so it can be more accurate If u can get a part number on the single chip gps receiver it’s the big sh... | 1,760,377,194.369048 | ||
https://hackaday.com/2011/05/09/double-barreled-air-cannon/ | Double Barreled Air Cannon | Caleb Kraft | [
"Weapons Hacks"
] | [
"potato",
"spud"
] | [Jeremy] wrote in to show off his latest creation. he has built a
two barrel pneumatic air cannon
. Eschewing the traditional approach of having a single barrel and pressure chamber for his spud gun, [Jeremy] wanted to have a double barreled version. Since he was doing this pneumatically, he had to rig up a way to main... | 11 | 11 | [
{
"comment_id": "391975",
"author": "JC",
"timestamp": "2011-05-09T20:27:47",
"content": "Thx for the writeup. How ’bout a link to the site?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "391982",
"author": "Brian",
"timestamp": "2011-05-09T20:50:29",... | 1,760,377,194.29455 |
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