tag:blogger.com,1999:blog-70994363173028345332024-03-05T01:52:31.723-08:00ecolocalizadorlibrepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.comBlogger10125tag:blogger.com,1999:blog-7099436317302834533.post-73261852818308615052015-09-09T06:00:00.000-07:002015-09-09T08:01:04.529-07:00Video presentación / presentation<iframe src="https://player.vimeo.com/video/138702855" width="500" height="281" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe> <p><a href="https://vimeo.com/138702855">Echolocalizator</a> from <a href="https://vimeo.com/user2935822">Hamilton Mestizo</a> on <a href="https://vimeo.com">Vimeo</a>.</p>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-7099436317302834533.post-67851366353844637952015-06-11T16:30:00.003-07:002015-06-11T16:38:03.460-07:00resumen / abstract <div>
<span style="background-color: white; font-family: Verdana, sans-serif; font-size: x-small;">Con este prototipo se pretende reflexionar acerca de la tecnología como parte de la evolución del hombre y lo digital y/o virtual como una herramienta que transforma la realidad sensible para ofrecer otras maneras de interacción y compresión del mundo y sus fenómenos. La propuesta parte de la pregunta sobre el cómo los seres vivos ven y construyen su propia noción de realidad, pensando en dispositivos análogos y digitales que permitan experimentar, así sea de forma simulada, esas nociones o crear nuevas a partir de las herramientas tecnológicas. En este momento la computación puede ofrecer de forma muy rica este tipo de experiencias en una “realidad virtualizada” donde los fenómenos visibles o invisibles del mundo adquieren otros matices en la experiencia de interacción con el espacio a través de sistemas de retroalimentación.</span><span style="background-color: white; font-family: Verdana, sans-serif; font-size: x-small;"><br /></span><br />
<span style="background-color: white; font-family: Verdana, sans-serif; font-size: x-small;">Es un <i>wearable</i> que permite a los humanos tener una experiencia diferente de percepción del espacio (eco-localización). Se trata de un artefacto electrónico basado en la forma en que algunos animales, como los murciélagos, perciben la realidad: a partir del ultrasonido. Para este prototipo se han usado dos sonares de corta distancia (645 cms, max) instalados alrededor de casco. Por medio de microcontroladores (arduino mini pro) se ejecuta un programa que navega, con base en la señales de los sonares, en archivos de audio almacenados en memorias (microSD). Esto permite navegar en un espacio a través de una experiencia de sonido bineural (simulado), y transmitido por radio FM (87.9 mhz) </span><br />
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<span style="background-color: white; font-family: Verdana, sans-serif; font-size: x-small;"><br /></span><span style="background-color: white; font-family: Verdana, sans-serif; font-size: x-small;">Echolocalizator
is a prototype aiming to reflect on technology as an essential part
of evolution in <b>humanity</b>
and digital-virtual technology as a tool that modifies sensibility by
creating different ways to interact with the real world and its
phenomena. This proposal stems from questioning how living forms
build their own notions of reality and how digital or analog devices
that can simulate those notions or create alternative ones. Nowadays
computing is capable of recreating virtual environments in a
“virtualized reality” where visible and invisible phenomena of
reality sense through cybernetic-hybrid systems.</span><span style="font-family: Verdana, sans-serif;"><span style="background-color: white; font-size: x-small;"><br /></span></span><br />
<span style="font-family: Verdana, sans-serif;"><span style="background-color: white; font-size: x-small;">Echolocalizator
is a leather helmet that one can wear as a simulating tool perceiving
as some animals do through echo-localization. For example, bats and
dolphins use an inaudible ultrasonic sound and its echo to navigate
in space. The wearable instrument we are proposing uses sonars based
to the left and right of the forehead. A couple of microcontrollers
translate the incoming signals into centimeters based on the distance
between the object and the sonar, ranging from 10 to 650cms. Sensor
references command two monophonic audio-tracks which are looping
specific sounds from Sd-Cards. The result is a <b>binaural</b></span><span style="background-color: white; font-size: x-small;">-spatial
experience using stereo left and right channels depending on the
signal of the two sensors located in two different positions. </span></span><span style="color: #222222;"><span style="font-family: Verdana, sans-serif;"><span style="font-size: x-small;"> </span><span style="font-size: 10pt;"> </span></span><span style="font-family: arial, sans-serif; font-size: 10pt;"> </span></span></div>
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librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-7099436317302834533.post-28134288648878642812015-04-28T14:04:00.000-07:002016-08-19T13:26:55.025-07:00Muestra #imagenfest2015 / exhibition <span style="font-family: "arial" , "helvetica" , sans-serif;">La 14 versión del <a href="http://www.festivaldelaimagen.com/">Festival Internacional de la Imagen</a> fue celebrado en la ciudad de Manizales Colombia, durante el 20 al 25 de abril de 2015. Este prototipo fue parte del festival como presentación del proceso de la <a href="http://www.festivaldelaimagen.com/es/convocatorias/residencia-diseno-creacion">residencia de diseño y creación</a>. Durante el festival asistentes y público en general pudo observar, escuchar e interactuar con el casco. </span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The 14th version of <a href="http://www.festivaldelaimagen.com/">International Festival of the Image</a> had celebrated in the city of Manizales Colombia during April 20 to 25, 2015. This mock-up was part of the festival as in an exhibition of process of the <a href="http://www.festivaldelaimagen.com/es/convocatorias/residencia-diseno-creacion">residency design+creation</a>. During the festival assistants and public could take a look, listen and interact with the helmet. </span><br />
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<a href="https://www.flickr.com/photos/librepensante_org/17096875087" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" height="375" src="https://farm9.staticflickr.com/8771/17096875087_c3b963d8f6.jpg" width="500" /></a>.<br />
<a href="https://www.flickr.com/photos/librepensante_org/16679708814" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" src="https://farm8.staticflickr.com/7658/16679708814_202b4e58c0_n.jpg" width="220" /></a><a href="https://www.flickr.com/photos/librepensante_org/17276209056" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" height="238" src="https://farm8.staticflickr.com/7686/17276209056_cdab4e7787.jpg" width="320" /></a><a href="https://www.flickr.com/photos/librepensante_org/17213172056" title=" by Hamilton Mestizo, on Flickr"><img alt=" " height="281" src="https://farm8.staticflickr.com/7657/17213172056_3f12aba635.jpg" width="500" /></a>.<a href="https://www.flickr.com/photos/librepensante_org/17031698687" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" height="281" src="https://farm8.staticflickr.com/7598/17031698687_a1c2eb4aba.jpg" width="500" /></a>.<a href="https://www.flickr.com/photos/librepensante_org/17052931869" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" height="333" src="https://farm9.staticflickr.com/8692/17052931869_722552e3e5.jpg" width="500" /></a><br />
<a href="https://www.flickr.com/photos/librepensante_org/17302394012" title=" by Hamilton Mestizo, on Flickr"><img alt=" " height="225" src="https://farm8.staticflickr.com/7684/17302394012_d24a687f06_n.jpg" width="400" /></a>
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<a href="https://www.flickr.com/photos/librepensante_org/17239127355" title=" by Hamilton Mestizo, on Flickr"><img alt=" " height="281" src="https://farm6.staticflickr.com/5339/17239127355_90c206cdb9.jpg" width="500" /></a>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-7099436317302834533.post-3686008207267848062015-04-28T08:43:00.000-07:002015-04-28T10:09:17.282-07:00prueba de sonido / trying sound<span style="font-family: Arial, Helvetica, sans-serif;">El sonidos es un parte importante de este prototipo. El objetivos es generar una experiencia de navegación por el espacio usando efectos sonoros y musicales. En este primer experimento hemos usados tonos y frecuencias como parte de percibir el espacio tridimensional donde tonos altos y frecuencias rápidas son usadas para detectar objetos cercanos y tonos bajos y frecuencias lentas para objetos lejanos. Los sonidos fueron grabados con la ayuda de Juan Pablo Yepes de <a href="http://www.sena.edu.co/oportunidades/emprendimiento-y-empresarismo/Jovenes%20Rurales%20Emprendedores/Paginas/LASO.aspx">LASO</a> en la Universidad de Caldas. </span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">The sound is an important piece of this prototype. The aim is to generate an experience navigating in the space using sound and musical effects. For this first experiment we used tone and frequency as part of listening to sense the 3d space where high tones and quickly frequencies are using to detect close objects and, by contrast, low tones and slowly frequencies far objects. It was recorded with the help of Juan Pablo Yepes from <a href="http://www.sena.edu.co/oportunidades/emprendimiento-y-empresarismo/Jovenes%20Rurales%20Emprendedores/Paginas/LASO.aspx">LASO</a> at Caldas University. </span><br />
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<a href="https://www.flickr.com/photos/librepensante_org/16560149084" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" src="https://farm8.staticflickr.com/7629/16560149084_b0fc88f76f.jpg" width="320" /></a> <a href="https://www.flickr.com/photos/librepensante_org/17182580505" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" src="https://farm8.staticflickr.com/7622/17182580505_40fafef553.jpg" width="320" /></a><br />
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<a href="https://www.flickr.com/photos/librepensante_org/17238564781" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" height="281" src="https://farm8.staticflickr.com/7616/17238564781_2e21533c44.jpg" width="500" /></a>
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<iframe allowfullscreen="" frameborder="0" height="140" mozallowfullscreen="true" src="https://archive.org/embed/ecolocalizador01&playlist=1" webkitallowfullscreen="true" width="500"></iframe>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-7099436317302834533.post-85978730066295636862015-04-18T13:21:00.001-07:002015-04-28T19:54:06.573-07:00wearable <span style="font-family: Arial, Helvetica, sans-serif;">Con la ayuda de "Álter máscaras y sombreros" en el diseño y una zapatería local en la confección terminamos de ensamblar el casco, adaptando los respectivos componentes electrónicos. Ahora paso a la segunda etapa del proyecto, a experimentar con los sonidos. </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">-----</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">With the help of </span><span style="font-family: Arial, Helvetica, sans-serif;"> </span><span style="font-family: Arial, Helvetica, sans-serif;">"Álter máscaras y sombreros"</span><span style="font-family: Arial, Helvetica, sans-serif;"> in the designing and a local footwear factory in the manufactory we have finished to assemble the helmet, adjusting the electronics. Suddenly I will start up the second part of the project, to experiment with the sound. </span><br />
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<a href="https://www.flickr.com/photos/librepensante_org/16560121174" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" height="281" src="https://farm9.staticflickr.com/8802/16560121174_a8079d8116.jpg" width="500" /></a><br />
<a href="https://www.flickr.com/photos/librepensante_org/16562342213" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" height="281" src="https://farm8.staticflickr.com/7656/16562342213_bbcdb0afa6.jpg" width="500" /></a><br />
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<a href="https://www.flickr.com/photos/librepensante_org/16560153634" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;" title="Untitled by Hamilton Mestizo, on Flickr"></a><a href="https://www.flickr.com/photos/librepensante_org/17156654266" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" height="179" src="https://farm8.staticflickr.com/7601/17156654266_a70a0b88d4_m.jpg" width="240" /> <img alt="Untitled" height="240" src="https://farm8.staticflickr.com/7713/16560153634_449c4c6d35_m.jpg" width="179" /></a><a href="https://www.flickr.com/photos/librepensante_org/16560153634" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;" title="Untitled by Hamilton Mestizo, on Flickr"></a><a href="https://www.flickr.com/photos/librepensante_org/17152684026" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" height="160" src="https://farm8.staticflickr.com/7659/17152684026_d5016073a1_m.jpg" width="240" /></a><a href="https://www.flickr.com/photos/librepensante_org/16991053620" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" height="135" src="https://farm8.staticflickr.com/7661/16991053620_6206f2c5ed_m.jpg" width="240" /></a></div>
librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-7099436317302834533.post-17460782440242588532015-04-15T09:30:00.000-07:002015-04-15T09:37:01.766-07:00prototipando ando / prototyping Hemos empezado a modelar el <i>wearable </i>basados en el estilo de los cascos de aviación de principios del siglo XX. Los componentes electrónicos fueron situados en este primer prototipo de tela.<br />
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We have started up modelling the wearable, based on the early 1900's aviator helmet style. Electronic components are placed in this first fabric mock-up.<br />
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<a href="https://www.flickr.com/photos/librepensante_org/16529353194" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" height="333" src="https://farm9.staticflickr.com/8698/16529353194_a68fb4e18c.jpg" width="500" /></a><br />
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<a href="https://www.flickr.com/photos/librepensante_org/16965576529" title=" by Hamilton Mestizo, on Flickr"><img alt=" " height="333" src="https://farm9.staticflickr.com/8811/16965576529_9efe94f907.jpg" width="500" /></a><br />
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<a href="https://www.flickr.com/photos/librepensante_org/16964215630" title=" by Hamilton Mestizo, on Flickr"><img alt=" " height="160" src="https://farm8.staticflickr.com/7688/16964215630_312c47a763_m.jpg" width="240" /></a> <a href="https://www.flickr.com/photos/librepensante_org/17109992486" title=" by Hamilton Mestizo, on Flickr"><img alt=" " height="160" src="https://farm8.staticflickr.com/7696/17109992486_2e425c9989_m.jpg" width="240" /></a>
librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-7099436317302834533.post-61932962510761660282015-04-13T10:39:00.000-07:002015-04-28T19:42:38.516-07:00Sistema / systemHe Integrado todos los componentes en un simple circuito electrónico. La mente del sistema es un Arduino micro el cual ejecuta un programa asociando el señal del sonar con un archivo de audio (WAV) guardado en la microSD. El resultado es un señal de audio monofónica que corresponde directamente con la distancia detectada por el sonar. En esta prueba la resolución es de 10cms en una rango de un metro (10 diferentes señales de audio).<br />
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I have integrated all components in a simple electric circuit. The mind of the system is an <a href="http://arduino.cc/en/Main/arduinoBoardProMini">Arduino mini pro </a>which ejecutes a program to associate the sonar signal with an audio file (WAV) stored in the microSD. The result is a monophonic audio signal which corresponds directly with the distance detected by the sonar. In this probe the resolution is the 10cms in the range of 100cms (10 different audio output).<br />
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<a href="https://www.flickr.com/photos/librepensante_org/16926699868" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" height="266" src="https://farm9.staticflickr.com/8762/16926699868_183a73abe2.jpg" width="400" /></a><br />
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<a href="https://www.flickr.com/photos/librepensante_org/16926912510" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" height="225" src="https://farm9.staticflickr.com/8822/16926912510_ab96097183_n.jpg" width="400" /></a></div>
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<a href="https://www.flickr.com/photos/librepensante_org/17135932345" style="margin-left: 1em; margin-right: 1em; text-align: center;" title="Untitled by Hamilton Mestizo, on Flickr"><br /></a>
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<b style="font-family: Arial, Helvetica, sans-serif;">CÓDIGO / CODE</b><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">#include <SdFat.h></span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">SdFat sd;</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">#include "Maxbotix.h"</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">#define SD_ChipSelectPin 10 </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">#include <TMRpcm.h> </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">#include <SPI.h></span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">int data;</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">//char track = "track4.wav"; </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">TMRpcm audio; </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">Maxbotix rangeSensorAD(A0, Maxbotix::AN, Maxbotix::LV, Maxbotix::BEST,9);</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">void setup(){</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;"> audio.speakerPin = 9; </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> pinMode(10,OUTPUT); </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> Serial.begin(9600);</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> if (!sd.begin(10, SPI_HALF_SPEED)) {Serial.println("Something wrong"); return; </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> }else{ Serial.println("SD OK"); }</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> pinMode(A1, OUTPUT);</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">pinMode(A2, OUTPUT);</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">digitalWrite(A1, 1);</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">digitalWrite(A2, 0); </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">}</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">void loop(){ </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">data=rangeSensorAD.getRange(); </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">//audio.play("track4.wav",random(0,20)); delay(1000);</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">Serial.println(data);</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;"> //1m </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> if(data<=13){</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> audio.play("track.wav",1);delay(1000); audio.pause();</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> }</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> if(data>14&&data<20){</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> audio.play("track.wav",2);delay(1000); audio.pause();</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> }</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> if(data>21&&data<30){</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> audio.play("track.wav",3);delay(1000); audio.pause();</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> }</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> if(data>31&&data<40){</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> audio.play("track.wav",4);delay(1000); audio.pause();</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> }</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> if(data>41&&data<50){</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> audio.play("track.wav",5);delay(1000); audio.pause();</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> }</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> if(data>51&&data<60){</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> audio.play("track.wav",6);delay(1000); audio.pause();</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> }</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> if(data>61&&data<70){</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> audio.play("track.wav",7);delay(1000); audio.pause();</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> }</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> if(data>71&&data<80){</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> audio.play("track.wav",8);delay(1000); audio.pause();</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> }</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> if(data>81&&data<90){</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> audio.play("track.wav",9);delay(1000); audio.pause();</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> }</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">if(data>91&&data<100){</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> audio.play("track.wav",10);delay(1000); audio.pause();</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> }</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">}</span>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-7099436317302834533.post-76742756535970826822015-04-10T13:29:00.001-07:002015-04-10T15:38:44.397-07:00Sonar <span style="font-family: Arial, Helvetica, sans-serif;">Un sonar es un dispositivo electrónico el cual puede localizar elementos en un espacio usando una señal ultrasónica (eco) como los delfines o los murciélagos en la naturaleza. Un sonar económico y popular es el </span><a href="http://www.maxbotix.com/Ultrasonic_Sensors/MB1010.htm" style="font-family: Arial, Helvetica, sans-serif;">LV-maxsonar EZ1</a>,<span style="font-family: Arial, Helvetica, sans-serif;"> tiene la posibilidad de detectar obstáculos desde 12 cm a una distancia máxima de 645 cms con una alta precisión. </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">-----</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">A sonar is an electronic device which can localise elements in a space using ultrasonic signal (echo). A popular inexpensive sonar is the </span><a href="http://www.maxbotix.com/Ultrasonic_Sensors/MB1010.htm" style="font-family: Arial, Helvetica, sans-serif;">LV-maxsonar EZ1</a><span style="font-family: Arial, Helvetica, sans-serif;">, It has the possibility to detect obstacles from 12 cms to a maximum distance of 645 cms with a very high precision. </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<a href="https://www.flickr.com/photos/librepensante_org/17092837521" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" height="180" src="https://farm8.staticflickr.com/7714/17092837521_ee1a85b46f_n.jpg" width="320" /></a>
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<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span><span style="font-family: Arial, Helvetica, sans-serif;">La programación es muy fácil usando la librería Maxbotix de arduino. </span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">-----</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">Programming is very easy using the Maxbotix library to arduino. </span><br />
<br />
<span style="font-family: Arial, Helvetica, sans-serif;"><a href="https://github.com/Diaoul/arduino-Maxbotix">https://github.com/Diaoul/arduino-Maxbotix</a></span><br />
<br />
<a href="https://www.flickr.com/photos/librepensante_org/17092844841" title="Untitled by Hamilton Mestizo, on Flickr"><img alt="Untitled" height="500" src="https://farm9.staticflickr.com/8802/17092844841_c0a5be518b.jpg" width="281" /></a>
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<span style="font-family: Arial, Helvetica, sans-serif;"><b>Programa de prueba / </b>"hello world" program</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">#include "Maxbotix.h"</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">//sonar</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">Maxbotix rangeSensorAD(A0, Maxbotix::AN, Maxbotix::LV, Maxbotix::BEST, 9);</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">int data=0;</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">void setup() {</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">Serial.begin(9600);</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">rangeSensorAD.setADSampleDelay(10);</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">}</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">void loop() {</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> data=rangeSensorAD.getRange();</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> Serial.print(data);</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> Serial.println(" cms");</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">delay(500);</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">}</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
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<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5vakm14PBQvpmjdH_-ahNhEG1PkbKgsM50XjNSIj5yw39vpF0foEI8NzsdBS7RmYRQQT9j0WDSpuS5eRpHuf-ijElL7-lQgNzuZ0_K5QmcFUkaFsjZqoBIkNAXOlzxSsh7F3XSjzPgvI/s1600/Screen+Shot+2015-12-31+at+19.14.37.png" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5vakm14PBQvpmjdH_-ahNhEG1PkbKgsM50XjNSIj5yw39vpF0foEI8NzsdBS7RmYRQQT9j0WDSpuS5eRpHuf-ijElL7-lQgNzuZ0_K5QmcFUkaFsjZqoBIkNAXOlzxSsh7F3XSjzPgvI/s1600/Screen+Shot+2015-12-31+at+19.14.37.png" height="252" width="320" /></a></div>
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-7099436317302834533.post-36197205392103593772015-03-25T20:27:00.000-07:002015-04-01T08:05:05.089-07:00miniSD + sonido / sound<span style="font-family: Arial, Helvetica, sans-serif;">En la últimas semanas descubrí una librería de arduino muy interesante, </span><a href="https://github.com/TMRh20/TMRpcm/" style="font-family: Arial, Helvetica, sans-serif;">TMRpcm</a><span style="font-family: Arial, Helvetica, sans-serif;">. Estaba buscando una forma de reproducir y manipular sonidos de audio sin la necesidad de usar un MP3 o un computador. Me gustaría poder manipular diferentes señales de audio de archivos WAV. </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">Esta librería permite que arduino pueda reproducir archivos WAV en diferentes calidades desde una miniSD usando un modulo y un speaker de bajo costo. </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">-----</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">From the last few weeks I've been discovered an interesting library from arduino, </span><span style="font-family: Arial, Helvetica, sans-serif;">it is called</span><span style="font-family: Arial, Helvetica, sans-serif;"> </span><a href="https://github.com/TMRh20/TMRpcm/" style="font-family: Arial, Helvetica, sans-serif;">TMRpcm</a><span style="font-family: Arial, Helvetica, sans-serif;">.</span><span style="font-family: Arial, Helvetica, sans-serif;"> I was looking for a form to reproduce and manipulate sound files without a MP3 or computer, I would like to manipulate different mono audio signals from files WAV. </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">In fact, t</span><span style="font-family: Arial, Helvetica, sans-serif;">his library contributes to an </span><span style="font-family: Arial, Helvetica, sans-serif;">arduino the capacity to reproduce WAV sound files from a miniSD, using a cheaper and tiny SDmodule and a speaker. </span><br />
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<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxbYbMJtFwlqj1BkfjSPOx9aa6Tq6fw0LxJsSNr_cOfoqbHdzHPvfdFQyjJbs7pi8dVt_iHYJCDEg1MiPYDEod5CyBHJHhgLJ3qwDJS5WWAsRcPLsSX8pBHsDqVOohZooEaAQ8ijv7k64/s1600/IMG_2438.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxbYbMJtFwlqj1BkfjSPOx9aa6Tq6fw0LxJsSNr_cOfoqbHdzHPvfdFQyjJbs7pi8dVt_iHYJCDEg1MiPYDEod5CyBHJHhgLJ3qwDJS5WWAsRcPLsSX8pBHsDqVOohZooEaAQ8ijv7k64/s1600/IMG_2438.jpg" height="200" width="149" /></a></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">Puedo operar sencillos comandos, aunque suficientes para mi propósito experimental.</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;"> -----</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">I can operate very simple commands, although enough for my experimental plan:</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;"><b>Simple mode</b></span><br />
<pre style="background-color: #f7f7f7; border-radius: 3px; box-sizing: border-box; color: #333333; font-family: Consolas, 'Liberation Mono', Menlo, Courier, monospace; font-size: 13.6000003814697px; font-stretch: normal; line-height: 1.45; margin-bottom: 16px; overflow: auto; padding: 16px; word-wrap: normal;"><code style="background: transparent; border-radius: 3px; border: 0px; box-sizing: border-box; display: inline; font-family: Consolas, 'Liberation Mono', Menlo, Courier, monospace; font-size: 13.6000003814697px; line-height: inherit; margin: 0px; max-width: initial; overflow: initial; padding: 0px; word-break: normal; word-wrap: normal;">audio.play("filename"); plays a file
audio.play("filename",30); plays a file starting at 30 seconds into the track
audio.speakerPin = 11; set to 5,6,11 or 46 for Mega, 9 for Uno, Nano, etc.
audio.disable(); disables the timer on output pin and stops the music
audio.stopPlayback(); stops the music, but leaves the timer running
audio.isPlaying(); returns 1 if music playing, 0 if not
audio.pause(); pauses/unpauses playback
audio.quality(1); Set 1 for 2x oversampling
audio.volume(0); 1(up) or 0(down) to control volume
audio.setVolume(0); 0 to 7. Set volume level </code></pre>
<span style="color: #333333; font-family: Consolas, 'Liberation Mono', Menlo, Courier, monospace; font-size: 13.6000003814697px; line-height: inherit;">audio.loop(1); 0 or 1. Can be changed during playback for full control of looping. </span><span style="font-family: Arial, Helvetica, sans-serif;"> </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;"><b>Primer código / first code</b></span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><b><br /></b></span>
<span style="font-family: Arial, Helvetica, sans-serif;">#include <SdFat.h></span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">SdFat sd;</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">#define SD_ChipSelectPin 4 // Pin CS </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">#include <TMRpcm.h> </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">#include <SPI.h></span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">TMRpcm audio; </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">void setup(){</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> audio.speakerPin = 9; // speaker</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> pinMode(10,OUTPUT); </span><span style="font-family: Arial, Helvetica, sans-serif;"> </span><span style="font-family: Arial, Helvetica, sans-serif;"> // speaker</span><span style="font-family: Arial, Helvetica, sans-serif;"> </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> </span><span style="font-family: Arial, Helvetica, sans-serif;">Serial.begin(9600);</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> </span><span style="font-family: Arial, Helvetica, sans-serif;"> if (!sd.begin(4, SPI_HALF_SPEED)) {Serial.println("Something wrong"); return; </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> }else{ Serial.println("SD OK"); }</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">}</span><br />
<br />
<span style="font-family: Arial, Helvetica, sans-serif;">//con las teclas p,o,i cambia el archivo WAV </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">void loop(){ </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> if(Serial.available()){ </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> switch(Serial.read()){</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> case 'p': audio.play("track1.wav"); break;</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> case 'o': audio.play("track2.wav"); break;</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> case 'i': audio.play("track3.wav"); break;</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> case 'l': audio.pause(); break;</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> default: break;</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> }</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> }</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">}</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">---------</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">// aleatorialmente cambia una posición de el tiempo de la reproducción en un mismo archivo ---- </span><span style="font-family: Arial, Helvetica, sans-serif;">randomness second position at the same track.</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">void loop(){ </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"> audio.play("track3.wav",random(0,14)); delay(1000);audio.pause();</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">}</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"></span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
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<div class="separator" style="clear: both; text-align: center;">
<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.blogger.com/video.g?token=AD6v5dxbexdMN12XQbRTM5Opy-tPG5ANxDlAJslZoBLCXzBxFjKxZBBNJX1hGteMEv61rI4F2vM8n92eET8ncFGzuA' class='b-hbp-video b-uploaded' frameborder='0'></iframe></div>
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span><span style="font-family: Arial, Helvetica, sans-serif;">mapa // map pin</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">cs - 4 (</span><span style="font-family: Arial, Helvetica, sans-serif;">SD_ChipSelectPin)</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">clock - 13</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">mosi - 11</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">miso - 12</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">vcc - 3.3</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">gnd - ground</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">speaker - 10</span>
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<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
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librepensante.orghttp://www.blogger.com/profile/06646022924624046686noreply@blogger.com0tag:blogger.com,1999:blog-7099436317302834533.post-32660883283652661772015-03-22T19:41:00.002-07:002015-03-27T07:36:06.729-07:00hola mundo! / hello world! <span style="font-family: Arial, Helvetica, sans-serif;">Con este primer post se inicia el proceso de prototipado y elaboración de la propuesta "ecolocalizador".
Proyecto que envuelve la experimentación con sonares (sensores ultrasónicos), sonido bineural y 3d para la simulación de espacios a partir del sonido para crear un artefacto para la <a href="http://es.thefreedictionary.com/ecolocaci%C3%B3n">ecolocalización</a> en humanos. </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;"> Este proyecto se estará desarrollando como parte del programa de residencias del Festival Internacional de la Imagen 2015.
Ver más, <a href="http://www.festivaldelaimagen.com/es/convocatorias/residencia-diseno-creacion">http://www.festivaldelaimagen.com/es/convocatorias/residencia-diseno-creacion</a> </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">---- </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span><span style="font-family: Arial, Helvetica, sans-serif;">With this first post, the process of prototyping and assembling of the proposal set</span><span style="font-family: Arial, Helvetica, sans-serif;">s up</span><span style="font-family: Arial, Helvetica, sans-serif;">. This project called "echolocalizator"</span><span style="font-family: Arial, Helvetica, sans-serif;"> involves the experimentation with sonars (ultrasonic sensors) and bineural and 3D sound for simulating spaces through sound. The aim is to create a wearable for </span><a href="http://en.wikipedia.org/wiki/Animal_echolocation" style="font-family: Arial, Helvetica, sans-serif;">echolocalization</a><span style="font-family: Arial, Helvetica, sans-serif;"> for humans. </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;"> This project has been developing as part of the residency program of the Festival Internacional de la imagen 2015. See more, <a href="http://www.festivaldelaimagen.com/es/convocatorias/residencia-diseno-creacion">http://www.festivaldelaimagen.com/es/convocatorias/residencia-diseno-creacion</a></span>
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<a href="http://curiosidades.batanga.com/5410/como-funciona-la-ecolocalizacion-en-los-delfines"></a><br />
<div class="separator" style="clear: both; text-align: center;">
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