tag:blogger.com,1999:blog-345837872012-01-31T19:05:31.160-05:00This is a digital binder of physical computing, computational media, music (sound) and other media projects. I'm particularly interested in designing interfaces for musical expression, wearable technology and creative networking applications.chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.comBlogger621100tag:blogger.com,1999:blog-34583787.post-29089917256268022902008-07-05T16:27:00.005-05:002008-07-05T16:33:31.334-05:00

I got four (4!!) new pedal kits in the mail the other day. This week i'm set to build a Big Muff clone, a tri-boost, phaser and an overdrive. Ok, it will probably take me more like a month to get it all built, but in any case, i'm pretty excited about it.I've started writing five songs in bits and pieces. I think it all started out as one song but began to scatter out into more like 3, or 5.

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com5tag:blogger.com,1999:blog-34583787.post-51985403457797373322008-05-16T15:02:00.001-05:002008-05-16T15:02:32.472-05:00

Originally uploaded by 0x000000I finally figured out how i want to house the hardware. For a little while I thought about placing all of it in a felted box, but decided to go with a kind of flat, felted surface for working on. It feels more natural to work over a flat surface than to try to literally reconstruct a stomp box.More pictures available over here: http://www.flickr.com/photos/

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-3677449141826724012008-04-23T16:01:00.001-05:002009-10-22T11:35:40.914-05:00

It's been quiet on the home front here, but the end is drawing near (2 more weeks before the final presentation on 5/7, to be exact), and there is quite a lot to update.This project has changed a lot since its conception, but many new ideas and potential future project concepts have sprung up along the way, and I am pretty pleased with how the project at hand is shaping up.The original plan was

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-11208836101571394982008-04-15T16:08:00.003-05:002008-04-15T16:16:48.824-05:00

original snd:mew, mew!and fubar'd sound (delay over two channels with feedback):ch 1: 2ms, ch2: 50msboth ch: 2msboth ch: 10msch1: 110ms, ch2: 100msvariation, ch1: 110ms, ch2: 100msboth ch: 125msvariation, both ch: 125msch1: 240ms, ch2: 250msch1: 300ms, ch2: 250msboth ch: 500msboth ch: 1500msch1: 1750ms, ch2: 3500msboth ch: 4000msboth ch: 5000ms

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com1tag:blogger.com,1999:blog-34583787.post-52712498290274069932008-04-08T16:52:00.003-05:002008-04-08T17:10:58.204-05:00

my max patch:individual 3 millisecond sound bits at varying frequencies:50Hz220Hz1000Hz4000Hz10000Hzsequences of sound bits at various frequencies and playing for various durations:5 and 10 millisecond1 millisecond3 millisecond5 millisecond10 millisecond

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-58196364582432714202008-04-04T13:17:00.003-05:002008-04-04T13:21:40.470-05:00

I just created a new space for the home of my felted audio filters. It's in development as you read, but for now I have a little page with a little description holding down the fort:http://www.feltedsignalprocessing.com (in a new window)

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com311tag:blogger.com,1999:blog-34583787.post-34855265156333358192008-03-26T12:51:00.006-05:002008-03-26T13:08:54.375-05:00

becomesthis noise from one pass through the imgandafter 10 passes through the imgThis is a very stripped down image analysis. I'm just converting the rgb value of each pixel into either a -1, 0, or 1, and then sending it into a buffer. I have a phasor object that takes a second to tween from one sample to the next, hence the rhythmic nature of the noise. These two mp3s are only playing blue and

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-30605984837218971642008-03-12T11:29:00.001-05:002008-03-12T11:29:33.299-05:00

felt resistor + 555 timer chip Originally uploaded by 0x000000I built a simple oscillator circuit last night with a piece of conductive felt hooked up to it, which changed the output frequency when pressed or squeezed!More about this on my thesis blog.

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com1tag:blogger.com,1999:blog-34583787.post-69338084088556558772008-03-11T20:42:00.002-05:002008-03-11T22:48:13.893-05:00

in S-T-E-R-E-ORefreshing every 5msRefreshing every 50msRefreshing every 250msRefreshing every 250ms again

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-88514589675376428282008-03-11T17:27:00.004-05:002008-03-11T17:58:54.299-05:00

Some samples of different kinds of modulation i was trying out:Amplitude Modulation [AM]bass screenshotAM bassAM bass 2tremolo screenshotAM tremolosynth screenshotAM synthsynth2 screenshotAM synth2Ring Modulation [RM]dialtone screenshotRM dialtonepoleposition screenshotRM pole position!Frequency Modulation [FM]feedback screenshotFM feedback with 1 oscillatorjetsons screenshotFM jetsonsorb

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-30117877745615847362008-03-04T19:28:00.002-05:002008-03-04T19:33:37.248-05:00

i cut and pasted and moved around txt in .wav files with the help of a text editor. i even transplated parts of some sound files into other sound files. scandalous!!original EatEat 1Eat 2original LatchLatch 1original PurrPurr 1Purr 2Purr 3original WatWat (meow mix)Wat 1Wat 2Wat 3Wat 4Wat 6

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-4215643705006363162008-02-19T18:10:00.003-05:002008-02-19T18:13:28.133-05:00

Here are a few sound files generated from driving different wave shapes through an oscillator I meant to post a couple weeks ago!sine wave ramp-uprectangular shaped wave ramp-upsaw tooth wave ramp-uptrapezoidal wave ramp-uptriangle wave ramp-up

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-47418442543950964322008-02-19T18:02:00.004-05:002008-02-19T19:37:21.312-05:00

Here's a few scales I put together, divided by equal temperament and just intonation:Equal Temperament2-note scale starting at 100Hz4-note scale at 100Hz5-note scale at 100HzJust Intonation12-note scale, low D12-note scale, low E12-note scale, low F#12-note scale, middle Ab12-note scale, high C#

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-17539759208717435602008-02-12T18:34:00.001-05:002008-02-19T18:01:35.688-05:00

combinatorial sine wavery trickery via max/msp:50 Hz of BASS7 harmonic partials of more bass pt I7 harmonic partials of more bass pt IImix of sine wavesswell of sine wavestriangle burstsquare burstbouncing sine waves pt Ibouncing sine waves pt IIa horribly synthesized jazz piano.. maybe..

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-36455583325802406352008-02-05T03:16:00.001-05:002008-02-05T18:40:03.850-05:00

I have made a few selections of sound/music that I found inspiring for various reasons.The first is a song by the band Bowery Electric, called Out of Phase. They play with texture primarily and stretch the musical experience out in a droney, luscious fashion.The second track is by a band from the UK, called Broadcast. The song title is Minus Two. Broadcast are well known for their ability to

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com1tag:blogger.com,1999:blog-34583787.post-26494052053200101832008-02-04T22:39:00.000-05:002008-02-05T03:04:58.472-05:00

While practicing listening downwards into the inner nucleus of the buzz of hallway lights outside of my apartment door, I found myself distracted by the outer sounds I kept hearing. Therefore, before focusing on what was going on at deeper levels of fluorescent lighting, I let myself focus outwardly. Starting from the light I was standing under and moving outwards, I became aware of the fact that

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-3080916513771001992007-12-03T19:35:00.001-05:002007-12-03T20:08:37.687-05:00

This week I made a lot of progress with the loom, which is good since the show is only 2 weeks away, and dress rehearsal less than 1 week away.I got it all set up on the ITP floor, got my sensors hooked up, and am spending this next week composing and figuring out my performance.I was experiencing a drawback with getting the wireless accelerometer data into max/msp, but finally ironed that out a

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-39565165775697548902007-11-27T00:01:00.000-05:002007-11-27T00:10:59.155-05:00

Okay, I'm still waiting for a space to set my loom up in. And my cat got sick on my laptop, thereby killing it (it's not salvageable apparently) and cutting my access to my max/msp and arduino files thusfar developed. Not a great week.But I did make some progress, despite that. I re-did my warp, as it wasn't long enough the first time I made it, and it went A LOT faster the second time around (

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-89885251340987896832007-11-20T20:46:00.000-05:002007-11-20T21:19:56.355-05:00

Okay, a lot has happened since my last update, but much progress was made. Here's what I've finished over the last three weeks:- The loom is completely built!- I decided to white wash it... at first i thought about staining it a dark walnut color, but went the other direction entirely and chose to make it all white.- I finished making the weights which will be used for maintaining tension in the

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-46011594827019080562007-11-20T12:08:00.000-05:002007-11-20T12:20:09.730-05:00

I've always wanted to have the diligence and lack of self-consciousness that would allow me to keep a diary (or a personal blog, for that matter). I would love to be able to reflect back on my days from last month, a year ago or 15 years ago. However much I've tried since childhood to keep a daily diary, I've never succeeded because I've always felt so self-conscious writing down my thoughts.

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-72785587119978747742007-10-29T22:26:00.000-05:002007-10-30T20:42:13.310-05:00

This week was all about max/msp. I got myself up to reasonable speed with max and have built a basic circuit that takes in readings from sensors, midi-formats them, and sends them out via midi to max. Once they get to max, i take the values in off channels 0 - 15 and send them through various filters. I was happy to get some noise out of my circuits this week.Once I was able to get the readings

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-71168800571217641602007-10-23T22:30:00.000-05:002007-10-23T22:38:13.857-05:00

We got our xbee/fsr controlled kick game for Mesh Networking working today! The icons come out on a broadcasted beat, which our xbee picks up, and then are 'kicked' to one of four environments, depending on which force sensor pad the player stomps on.So okay, we aren't actually 'kicking' anymore; it's now 'Stomp Me'. Or alternately Kick (Stomp) - A - Mole (Icon).Anyways, here's a screen cap:And

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com1tag:blogger.com,1999:blog-34583787.post-50515038732930503562007-10-22T22:43:00.000-05:002007-10-30T20:42:24.928-05:00

So I've broken the task of building this loom down into a few categories of attack: Material (yarn)Loom (building + augmentation of...)Hardware (sensors, circuits)Software (music mapping and programming)PerformanceThis week I took on a few of the tasks under the Software header. I mapped out how I would use the loom for actual sound production and worked on some test patches in max/msp.I also

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-87977962951074990302007-10-16T19:44:00.000-05:002007-10-16T20:42:43.269-05:00

My group and I decided to make a little foot-eye coordination game, coordinated to a xbee broadcasted beat. The parts to our project are as such:- a physical interface consisting of a kick pad with FSRs in them, for recording which pad was kicked and how hard.- the hardware involving an xbee and arduino, for capturing the broadcast beats and fsr readings- the software, processing, for displaying

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com1tag:blogger.com,1999:blog-34583787.post-57531059847198945502007-10-07T17:03:00.000-05:002007-10-07T16:43:47.496-05:00

My partner and I each built a device with an arduino and xbee radios that can wirelessly play rock/paper/scissors with the other. We got it 100% working now, but until today, there were two strange bugs causing me (the programmer) a major headache. ARDUINO SRCThe Problems :(The first bug was how the win/loss/tie was being tallied; only one of us ever got the results back from our match (had one

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-20358149903114471812007-10-03T16:27:00.000-05:002007-10-30T20:42:40.070-05:00

For NIME this year, I've decided to create a loom which triggers samples and other various sounds, via max/msp. The exact details are yet to be worked out, as this is the simply the first step taken out of many. After much rumination on how I could combine both fiber arts and sound however, I'm happy to of finally found a direction which feels 'right'.Looms, of course, are the tools used in

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-86427661565742013872007-10-01T10:40:00.000-05:002007-10-01T11:04:10.402-05:00

Happiness and creative flow... While the first does not beget the second, I think it's safe to say that the reverse is definitely true. Being 'in the moment' of intense creativity and therefore productivity is one of the most fulfilling sensations I'm able to feel. It's within these moments that all the dots seem to connect themselves, with little forced effort from my end.In anycase, I just

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-18734106636622412812007-10-01T10:08:00.001-05:002007-10-01T10:36:26.148-05:00

So I was asked to make a little device that addresses a problem on the ITP floor. Well, 'problem' is a very subjective term, and it turned out that my 'problem' with the ITP floor wasn't as much of one for anyone else, thereby pointing out that I might be a little OCD. oh well.The problem I chose to tackle was the one of the pcomp lab's tool box drawers not always being fully shut (photo coming

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-55185979427858846202007-09-26T18:24:00.000-05:002007-09-26T21:28:29.608-05:00

Artificiel is a group from Montreal I discovered recently (thanks Mouna!) who puts on some pretty awesome shows using objects like rubik's cubes and light bulbs.I like how the focus is on the performance objects, versus on the humans manipulating the objects. This is how I think I'd be most comfortable performing, as I'm not much of a ham for the stage. Or for anything else, I don't think.

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-68540354118162488942007-09-23T13:51:00.000-05:002007-09-26T12:11:13.255-05:00

I can make an LED glow wirelessly!xbee_glow Originally uploaded by 0x000000okay, here's what it involves: 2 XBee radios, 2 microcontrollers (I used arduino minis), 2 power sources, 2 variable resistors, and a couple LEDS to control (i'll call these analogue LEDs from here on out). I tried to keep my wires on my board tidy, as wires generate their own radio waves which can create interference with

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-88268123506055359172007-09-16T22:59:00.000-05:002007-09-16T23:12:42.323-05:00

If I had to pick one track that most closely resembled what I wanted to sound like at the end of NIME, it might be Múm, Sunday Night Just Keeps On Rolling.I'm interested in layers and texture... and the process of building (them up and down), juxtaposition and weaving. A bit like knitting a soundscape.

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-1196843357357733142007-09-14T20:53:00.000-05:002007-09-14T21:39:48.138-05:00

For the last week, I tried to be more aware of how myself and those around me were using music to get through their days. Music has always been a crutch i've willingly leaned on to get me through all kinds of situations. Some of those being (click linked titles to hear mp3s):Setting up my new apartment. Moving and setting up new digs can be pretty stressful. Listened to: The Shop

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-23457475029210877292007-09-14T20:46:00.001-05:002007-09-14T20:53:44.836-05:00

It's so great to be back. This semester is going to be the best one yet! I am currently enrolled in: New Interfaces for Musical Expression, Collaborative Mesh Networking, Computers For The Rest of You, and Expressing Information. I'm particularly interested in focussing on NIME and sound design in general this year. So here we go!

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-19672459360267788142007-04-25T13:25:00.000-05:002007-09-23T15:35:11.285-05:00

Hey guys,I have updated my Joan Dress blog, and have reached the end of phase 1 of the development process. Check it out!

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-42954600674760329212007-04-23T17:55:00.001-05:002009-01-28T00:19:51.701-05:00

I wrote a program in processing that reacts to how vigorously you shake an accelerometer.The arduino communicates the sensor's readings through a serial connection to processing. I used a smoothing function, in my arduino code, to get clean values from the accelerometer, which tends to give very eradict readings otherwise. calm Originally uploaded by 0x000000. When you first open up the

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com1tag:blogger.com,1999:blog-34583787.post-59892035754453885432007-04-09T02:44:00.000-05:002007-09-23T15:36:26.339-05:00

The Inkas may have used clusters of strings and knots (called khipu) as their way of recording language, while most other cultures of the world have used written records of ink on paper. This suggestion is described in 1491: New Revelations of the Americas Before Columbus by Charles C. Mann, Appendix B. Honestly, I have never stopped to think about representing language in terms of objects

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-58827520268620399482007-04-09T02:12:00.000-05:002007-09-23T15:37:16.140-05:00

I read this fascinating article the other week on how a robber was nabbed based on a unique pattern of wrinkles found down the side of his blue jeans, as seen on the bank's surveillance tape. The puckers and creases along the side-seam of his pants were a result of how his body moved within the denim fabric, thus creating a kind of barcode, or fingerprint, which was used as indisputable evidence

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-58095151430665781492007-04-09T01:25:00.000-05:002007-09-23T15:37:32.394-05:00

My Sensor Workshop class went by the American Museum of Natural History last week, and got to take a look at their newest permanent exhibit, the Hall of Human Origins. We also got a special behind-the-scenes peek at the workshops where they construct the dioramas on display in the museum. I was particularly interested in seeing this exhibit, since my old academic roots lie in human evolution and

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-38615345292415356462007-04-05T13:50:00.001-05:002007-04-05T13:53:55.273-05:00

I'm documenting my project for wearables + netobjs here:Joan DressIt's code named Joan for now, for Joan of Arc, who had divine visions from above (i.e., the 'net, naturally!)Basically, it's a dress augmented with conductive threads and thermochromic inks. The threads cause the inks to change color via resistance heating, and in response to network activity.

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-47008567593097821662007-03-03T00:57:00.001-05:002007-09-23T15:38:08.599-05:00

it glows! Originally uploaded by 0x000000. I experimented with embedding LEDs into platinum-based silicone. This particular kind of silicone is called Dragon Skin Q (the Q stands for 'quick'; i think so anyways... this kind of silicone sets faster than the regular Dragon Skin).I'm envisioning having many iterations of this hanging around the neck, or maybe attached to the wrists, or a

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-78321465244447605342007-02-14T12:57:00.000-05:002007-09-23T15:38:45.535-05:00

img pulled off of sparkfun electronicsToday I'm looking at the datasheet of a Texas Instruments SN74HC595 8-bit shift register with 3-state output registers. Download DatasheetFeatures* 8-Bit Serial-In, Parallel-Out Shift* Voltage operating range of 2V - 6V* Low power consumption (80µA)* Low input current of 1 µA max.* High-Current 3-State outputs which can drive up to 15 LSTTL loads (btw,

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com13tag:blogger.com,1999:blog-34583787.post-59843763475258740942007-02-10T16:51:00.002-05:002009-01-28T00:20:14.191-05:00

sensorGraph Originally uploaded by 0x000000. I built a little visualisation tool, using processing, for graphing sensor activity. In this case, I was specifically looking at a photocell. The nature of the data being sensed, in this case, light, informed the way I chose to display the data. There are three parameters being graphed here: raw data, averaged readings, and the standard

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com1tag:blogger.com,1999:blog-34583787.post-1166512579357653192006-12-19T02:15:00.000-05:002007-09-23T15:39:20.894-05:00

My final project for physical computing turned a fork and knife into musical instruments. Sine waves are generated and through max/msp, when you cut into different kinds of food on your table. Full documentation can be found here.

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-45023710476006969492006-12-19T02:10:00.003-05:002009-06-14T00:07:43.032-05:00

For my final project, i visualized and sonified the new york city subway system, using the cat bus (nekobasu) from My Neighbor Totoro as my inspiration!To check out the full documentation and downloadable application, click here.

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-16097257164171602912006-11-27T15:41:00.003-05:002009-06-14T00:07:49.246-05:00

For my final, i want to combine musical performance with visuals, both produced algorithmically. I will generate a score for 2 guitars, based on an as-yet undecided algorithm. The guitars will run through a digital effects processor (not necessarily integral to the project at hand, other than for aesthetic purposes), to a pitch to midi converter, and then into max, where the midi data will be

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-1163207575747780302006-11-10T20:09:00.000-05:002006-11-10T20:14:14.623-05:00

For my final intro to physical computing project, I'm making a set of utensils that respond to the user. I have a quick summary about it here:Project Statementand a quicktime here.More updates to come soon.

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-1163207094110278692006-11-10T19:57:00.000-05:002006-11-10T20:04:54.113-05:00

midilab Originally uploaded by 0x000000. This lab involves building a circuit that makes it possible to send midi out a midi jack. The push button toggles the note on or off, and the flex sensor selects the note you are sending. The midi cable is connected to a box that connects to my laptop. I'm playing whatever notes i generate through garageband.This was a pretty straight-forward lab,

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-1162014533622116872006-10-28T00:47:00.000-05:002006-10-28T00:48:53.623-05:00

Well, we finished it finally. It ain't the prettiest thing in the world, but hey! It's just a prototype afterall. The functionality works perfectly! Documentation is posted at http://www.chootka.com/itp/pcomp/intro/catFeeder/.

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com20tag:blogger.com,1999:blog-34583787.post-1161972947514208492006-10-27T13:08:00.001-05:002006-10-27T13:20:34.260-05:00

fullview Originally uploaded by 0x000000. breadboard/arduino setup, wired to a dc motor and push button. This is just a simple lab that demonstrates how to wire up a dc motor, and control it's direction by reversing the current going through it. The current is controlled by the red push button: When it is down, it spins clockwise, when it is up, counter clockwise. closeup

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-1161554017868628352006-10-22T16:53:00.000-05:002006-10-22T16:54:33.920-05:00

First, a summary:Our feeder is set to consist of a mat, which has a force sensor in it, in order to determine which cat is on the mat by weight. We plan on setting up some sort of calibration mode, so that the owner can assign a bowl to each cat in his/her home. Our feeder will also have a timer built into it, so the user can put a serving of wet food in the bowl before leaving for the day, and

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-1161049386815989832006-10-16T20:39:00.000-05:002006-10-27T13:22:09.033-05:00

I made a little prototype, involving a photocell sensor and a 255-word crappy poem. The idea is, as you restrict and allow different levels of light into the photocell, a new word of the poem will be printed on screen. The theme being light and darkness. Clever huh!I got it working finally, though the problem wasn't as big as i thought. It was just a stale lockfile that was preventing my serial

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-1161049166348592192006-10-16T20:32:00.000-05:002006-10-16T20:39:26.366-05:00

first_prototype Originally uploaded by 0x000000. First prototype of an automatic cat feeder my group is building. This is an automatic *wet cat food* feeder, no less. We hacked about an alarm clock to use as a timer, so you can set for when the feeder lid will be open, in case you aren't home in time to feed your cats yourself.

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-14410666255806830302006-10-16T19:17:00.003-05:002009-06-14T00:07:55.429-05:00

midterm: Datafall (nee Network Clouds)Data visualization is something i've been interested in for a little while now. I first became aware of the technique of making normally invisible data visible, in my step-dad's lab. He would run ELISA tests (Enzyme-Linked Immunosorbent Assay) and gel stains on lab results from his experiments. What he was checking for in particular, i'm not 100% sure on, but

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-1160170150589985752006-10-06T16:28:00.000-05:002006-10-09T15:47:14.716-05:00

the_setup Originally uploaded by 0x000000. I hooked up a servo motor to receive analog input from a flex sensor, via an arduino board. The angle in which the flex sensor is bent, will control the servo's movement, over an 180 degree spectrum.close up: servo_closeup Originally uploaded by 0x000000.

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-1159566480909903372006-09-29T16:41:00.000-05:002006-10-06T16:29:32.313-05:00

pot_arduino Originally uploaded by 0x000000. A potentiometer is hooked up to a breadboard, and it's input is read by the arduino board, which outputs it back out from one of it's PWM pins. This simulates analog output, and dims the yellow LED up and down. photocell_arduino Originally uploaded by 0x000000. A photocell is hooked up to my breadboard, and its input is read by the

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com75tag:blogger.com,1999:blog-34583787.post-1158916908289017392006-09-22T04:21:00.000-05:002006-09-22T11:37:28.043-05:00

During a typical day, what kinds of digital devices act as a means to an end for us? What are they, and how do we use them?These are the questions my group and I considered when beginning our observation project, which is divided into two parts. The first part is dealt with in this blog entry. We spent a couple hours on a Tuesday afternoon, watching people on the streets and in the cafes, pet

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-1158802354889490462006-09-20T19:48:00.000-05:002006-09-20T20:32:34.996-05:00

The title of this blog entry comes from the name of a book I read an excerpt from, by James L. Adams. The basic idea was that, we cloud our vision by prejudices that come out of stereotypes that we hold for different kinds of people and situations. When approaching a situation with most of the information pre-determined, we lose the ability to form honest, valid opinions about others or the

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-1158798324635760072006-09-20T19:19:00.000-05:002006-10-27T13:21:49.170-05:00

do1_unplugged Originally uploaded by 0x000000. This is my breadboard wired up to an Arduino board, before i plugged it in with a usb cable to my laptop. This is a simple lab in digital input/output with a microcontroller. The LEDs are wired in series with a momentary button, to the Arduino, which is also delivering 5V to the bread board. I used a simple program for switching between the

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-30388489139702054852006-09-18T03:07:00.003-05:002009-06-14T00:07:59.682-05:00

Nature of Code - week 1Some interesting points I came across in The Computational Beauty of Nature, by Gary Flake...Flake talks about a few different ways in which we might describe a 'thing'. This could be an animal, an atom, or any other constituent of a larger system. According to him, there are three main ways in which we can begin to understand how these things work:- Look at the 'thing' in

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-1158539308440814572006-09-17T19:08:00.000-05:002006-09-17T19:38:55.620-05:00

the idea of reaction vs interaction, is one which is going to help me a lot while i try to develop 'interactive' projects now and in the future. it is a point brought up within the first two chapters of 'The Art of Interactive Design', by Chris Crawford. basically, according to mr. crawford, for something to be interactive, it must meet three points successfully: 1. it must accept an input, 2.

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-1158535352954157122006-09-17T17:05:00.000-05:002006-09-17T19:08:38.950-05:00

Overviewthis first week's lab had to do with basic electronics: how electricity flows, what a parallel vs series circuit is, how to wire up a switch and a variable resistor, etc. Step 1, Measuring Voltageafter burning through 14 LEDs, i finally got the regulator hooked up correctly. oops.i had my meter reading 12V for a while, when i checked the voltage between ground and power, until i realised

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0tag:blogger.com,1999:blog-34583787.post-65289266780277267112006-09-17T16:54:00.001-05:002009-06-14T00:06:23.463-05:00

3loves Originally uploaded by 0x000000.another test

chootkahttp://www.blogger.com/profile/06345608413865245813noreply@blogger.com0