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		<item>
		<title>Sviluppi</title>
		<link>http://grishnackh86.wordpress.com/2010/02/01/sviluppi/</link>
		<comments>http://grishnackh86.wordpress.com/2010/02/01/sviluppi/#comments</comments>
		<pubDate>Mon, 01 Feb 2010 14:20:23 +0000</pubDate>
		<dc:creator>Stefano</dc:creator>
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		<description><![CDATA[Per rendere più interessante il progetto, in futuro cercherò di migliorare il lato dell&#8217;output sonoro &#8211; che per ora si limita alla variazione di frequenze del piezo buzzer &#8211; innanzitutto rendendo il suono più gradevole e magari integrandolo con un synth o con un pc (in questo modo potrei sia inserire suoni diversi che inserire <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=grishnackh86.wordpress.com&amp;blog=10965089&amp;post=107&amp;subd=grishnackh86&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Per rendere più interessante il progetto, in futuro cercherò di migliorare il lato dell&#8217;output sonoro &#8211; che per ora si limita alla variazione di frequenze del piezo buzzer &#8211; innanzitutto rendendo il suono più gradevole e magari integrandolo con un synth o con un pc (in questo modo potrei sia inserire suoni diversi che inserire il controller del volume).</p>
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			<media:title type="html">Stefano</media:title>
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		<title>Final Release: Arduino Theremin</title>
		<link>http://grishnackh86.wordpress.com/2010/01/29/final-release-arduino-theremin/</link>
		<comments>http://grishnackh86.wordpress.com/2010/01/29/final-release-arduino-theremin/#comments</comments>
		<pubDate>Fri, 29 Jan 2010 11:23:37 +0000</pubDate>
		<dc:creator>Stefano</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://grishnackh86.wordpress.com/?p=98</guid>
		<description><![CDATA[L&#8217;ultimo passo del progetto il rilascio finale del theremin, in seguito descriverò tutti gli step necessari per la costruzione. Prima parte: il design fisico per la costruzione del mio animaletto ho stampato il modello trovato all&#8217;indirizzo  http://www.bentheillustrator.com/speakerdog_index.html Qui è possibile scaricare il modello in PDF Seconda parte: Arduino e la board Qui sotto trovate lo <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=grishnackh86.wordpress.com&amp;blog=10965089&amp;post=98&amp;subd=grishnackh86&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>L&#8217;ultimo passo del progetto il rilascio finale del theremin, in seguito descriverò tutti gli step necessari per la costruzione.</p>
<p>Prima parte: <strong>il design fisico</strong></p>
<p>per la costruzione del mio animaletto ho stampato il modello trovato all&#8217;indirizzo  <a href="http://www.bentheillustrator.com/speakerdog_index.html" target="_blank">http://www.bentheillustrator.com/speakerdog_index.html </a></p>
<p><a href="http://grishnackh86.files.wordpress.com/2010/01/blank_speakerdog_01-1.jpg"><img class="alignnone size-medium wp-image-100" title="Blank_speakerdog_01-1" src="http://grishnackh86.files.wordpress.com/2010/01/blank_speakerdog_01-1.jpg?w=212&#038;h=300" alt="" width="212" height="300" /></a></p>
<p><a href="http://grishnackh86.files.wordpress.com/2010/01/blank_speakerdog_01.pdf">Qui è possibile scaricare il modello in PDF</a></p>
<p><a href="http://farm3.static.flickr.com/2796/4313624858_9a6be347e9_b.jpg"><img class="alignnone" src="http://farm3.static.flickr.com/2796/4313624858_9a6be347e9_m.jpg" alt="" width="240" height="180" /></a></p>
<p>Seconda parte: <strong>Arduino e la board</strong></p>
<p>Qui sotto trovate lo schema dei collegamenti che ho effettuato.</p>
<p><a href="http://farm3.static.flickr.com/2796/4312932673_89abe9b9f6_o.png"><img class="alignnone" title="schema theremin" src="http://farm3.static.flickr.com/2796/4312932673_e9871cd44d_m.jpg" alt="" width="240" height="167" /></a><a href="http://farm5.static.flickr.com/4016/4313668628_c8714f2d26_o.png"><img class="alignnone" title="schema theremin" src="http://farm5.static.flickr.com/4016/4313668628_783f2627cf_m.jpg" alt="" width="240" height="189" /></a></p>
<p>Lo schema è ben descritto nelle immagini sopra, cmq il  sensore è collegato ad un analog in mentre il buzzer al pin 9 PWM.</p>
<p>Il led inserito nel pin 13 sta ad indicare il tempo in cui è possibile calibrare il sensore.</p>
<p><a href="http://farm5.static.flickr.com/4062/4313624974_6a0bac65a5_b.jpg"><img class="alignnone" src="http://farm5.static.flickr.com/4062/4313624974_6a0bac65a5.jpg" alt="" width="500" height="375" /></a></p>
<p><a href="http://farm5.static.flickr.com/4029/4312889261_278f6fd481_b.jpg"><img class="alignnone" src="http://farm5.static.flickr.com/4029/4312889261_278f6fd481.jpg" alt="" width="500" height="375" /></a></p>
<p><a href="http://farm3.static.flickr.com/2797/4313625080_4406fc258a_b.jpg"><img class="alignnone" src="http://farm3.static.flickr.com/2797/4313625080_4406fc258a.jpg" alt="" width="500" height="375" /></a></p>
<p>Parte Terza: <strong>il codice</strong></p>
<p>Infine pubblico il codice per far funzionare arduino come un theremin.</p>
<pre>int sensorTone = 5;
int buzz = 9;
int sensorMax=0;
int sensorMin=1023;
int tone;

void setup() {
 Serial.begin(9600); // il led segnala che si deve inserire i valori massimo minimo che si vogliono impostare come limite
 pinMode(13, OUTPUT);
 pinMode(buzz, OUTPUT);
 digitalWrite(13, HIGH); // 2 secondi per impostare i valori
 while (millis() &lt; 2000) { //cambiando questo valore è possibile variare la durata del calibratore
 tone = analogRead(sensorTone);
 if (tone &gt; sensorMax) {
 sensorMax = tone;
 }
 if (tone &lt; sensorMin) {
 sensorMin = tone;
 }
 }

 digitalWrite(13, LOW);
}
void loop() {

 digitalWrite (buzz, HIGH);
 delayMicroseconds (tone / 2);
 digitalWrite (buzz, LOW);
 delayMicroseconds (tone / 2);
 tone = analogRead(sensorTone); //legge il valore del fotoresistore
 tone = map(tone, sensorMin, sensorMax, 1000, 5000); // associa il valore letto al tono del buzzer

Serial.println(tone); // nel serial monitor è possibile leggere i valori assunti dal fotoresistore

}
</pre>
<div class='embed-vimeo' style='text-align:center;'><iframe src='http://player.vimeo.com/video/9047732' width='400' height='300' frameborder='0'></iframe></div>
<p>Va fatta una precisazione il progetto avrebbe previsto anche il controllo del volume del buzzer tramite sensore fotosensibile (in modo simile al controller del tono), in realtà ho trovato difficoltà a integrare nello stesso codice due input per un solo output. Solo dopo vari tentativi ho scoperto che la cosa è possibile solo con l&#8217;integrazione di altro hardware.</p>
<p>Questo potrebbe essere un interessante sviluppo futuro del progetto.</p>
<p><img class="alignnone" title="Arduino Theremin" src="http://farm5.static.flickr.com/4023/4312977777_d733e5fc2e.jpg" alt="" width="500" height="375" /></p>
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			<media:title type="html">Stefano</media:title>
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		<media:content url="http://grishnackh86.files.wordpress.com/2010/01/blank_speakerdog_01-1.jpg?w=212" medium="image">
			<media:title type="html">Blank_speakerdog_01-1</media:title>
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			<media:title type="html">schema theremin</media:title>
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			<media:title type="html">schema theremin</media:title>
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			<media:title type="html">Arduino Theremin</media:title>
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		<item>
		<title>Software alpha</title>
		<link>http://grishnackh86.wordpress.com/2010/01/27/software-alpha/</link>
		<comments>http://grishnackh86.wordpress.com/2010/01/27/software-alpha/#comments</comments>
		<pubDate>Wed, 27 Jan 2010 16:19:59 +0000</pubDate>
		<dc:creator>Stefano</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://grishnackh86.wordpress.com/?p=94</guid>
		<description><![CDATA[Dopo aver sviluppato hardware e software sia per il controller volume che per il controller del tono, ho incontrato difficoltà a integrare le due parti di codice. Per questo motivo ho deciso di limitare il prototipo al solo controllo del tono. Il codice seguente integra, un calibratore del fotoresistore (per adattarsi in ogni luogo e <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=grishnackh86.wordpress.com&amp;blog=10965089&amp;post=94&amp;subd=grishnackh86&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Dopo aver sviluppato hardware e software sia per il controller volume che per il controller del tono, ho incontrato difficoltà a integrare le due parti di codice. Per questo motivo ho deciso di limitare il prototipo al solo controllo del tono.</p>
<div class='embed-vimeo' style='text-align:center;'><iframe src='http://player.vimeo.com/video/9016274' width='400' height='300' frameborder='0'></iframe></div>
<p>Il codice seguente integra, un calibratore del fotoresistore (per adattarsi in ogni luogo e ad ogni persona) e il programma che permette di modificare la frequenza del buzzer.</p>
<pre>int sensorTone = 5;
int buzz = 9;
int sensorMax=0;// = 190;
int sensorMin=1023;// = 86;
int tone;

void setup() {
 Serial.begin(9600); // il led segnala che si deve inserire i valori massimo minimo che si vogliono impostare come limite
 pinMode(13, OUTPUT);
 pinMode(buzz, OUTPUT);
 digitalWrite(13, HIGH); // 2 secondi per impostare i valori
 while (millis() &lt; 2000) {
 tone = analogRead(sensorTone);
 if (tone &gt; sensorMax) {
 sensorMax = tone;
 }
 if (tone &lt; sensorMin) {
 sensorMin = tone;
 }
 }

 digitalWrite(13, LOW);
}
void loop() {

 digitalWrite (buzz, HIGH);
 delayMicroseconds (tone / 2);
 digitalWrite (buzz, LOW);
 delayMicroseconds (tone / 2);
 tone = analogRead(sensorTone); //legge il valore del fotoresistore
 tone = map(tone, sensorMin, sensorMax, 1000, 5000); // associa il valore letto al tono del buzzer

Serial.println(tone); // nel serial monitor è possibile leggere i valori assunti dal fotoresistore

}</pre>
<p>Adesso non rimane che riprogettare il toy (alla luce delle nuove potenzialità) realizzare il prototipo look&amp;feel, implementare e testare</p>
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			<media:title type="html">Stefano</media:title>
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		<title>Inizio fase di Coding</title>
		<link>http://grishnackh86.wordpress.com/2010/01/26/inizio-fase-di-coding/</link>
		<comments>http://grishnackh86.wordpress.com/2010/01/26/inizio-fase-di-coding/#comments</comments>
		<pubDate>Tue, 26 Jan 2010 20:26:48 +0000</pubDate>
		<dc:creator>Stefano</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

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		<description><![CDATA[Come da roadmap il pomeriggio è stato dedicato alla ricerca materiali (e soprattutto sensori) e lo sviluppo hardware. Nel tempo rimanente ho iniziato a cercare di sviluppare la parte software riuscendo a far funzionare il controller del volume del futuro theremin. La giornata di domani sarà dedicata al controller delle frequenze e al testing pre <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=grishnackh86.wordpress.com&amp;blog=10965089&amp;post=91&amp;subd=grishnackh86&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Come da roadmap il pomeriggio è stato dedicato alla ricerca materiali (e soprattutto sensori) e lo sviluppo hardware.</p>
<p>Nel tempo rimanente ho iniziato a cercare di sviluppare la parte software riuscendo a far funzionare il controller del volume del futuro theremin. La giornata di domani sarà dedicata al controller delle frequenze e al testing pre implementazione.</p>
<p>Sotto la prima bozza di codice (si tratta di una pre-alpha) ; )</p>
<pre>int sensorVol = 2;
int volume = 0;
int buzz = 9;
int sensorMax=0;// = 190;
int sensorMin=1023;// = 86;

void setup() {
 Serial.begin(9600);
 // il led segnala che si deve inserire i valori massimo minimo che si vogliono impostare come limite
 pinMode(13, OUTPUT);
 digitalWrite(13, HIGH);
 // 2 secondi per impostare i valori
 while (millis() &lt; 2000) {
 volume = analogRead(sensorVol);

 if (volume &gt; sensorMax) {
 sensorMax = volume;

 }

 if (volume &lt; sensorMin ) {
 sensorMin = volume;

 }
 }

 digitalWrite(13, LOW);
}

void loop() {

 volume = analogRead(sensorVol); //viene letto il valore della luce
 volume = map(volume, sensorMin, sensorMax, 0, 255); //e viene associato il valore di luce massima con il valore di suono massimo, e viceversa
 volume = constrain(volume, 0, 255);
 analogWrite(buzz, volume); //emette il suono

Serial.println(volume,DEC);
;
}
</pre>
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			<media:title type="html">Stefano</media:title>
		</media:content>
	</item>
		<item>
		<title>Prototipo Cartaceo</title>
		<link>http://grishnackh86.wordpress.com/2010/01/26/prototipo-cartaceo/</link>
		<comments>http://grishnackh86.wordpress.com/2010/01/26/prototipo-cartaceo/#comments</comments>
		<pubDate>Tue, 26 Jan 2010 12:02:06 +0000</pubDate>
		<dc:creator>Stefano</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://grishnackh86.wordpress.com/?p=88</guid>
		<description><![CDATA[In mattinata ho ricercato la forma che deve avere l&#8217;oggetto e ho deciso che utilizzerò il seguente modello Ho scelto la seguente forma per inserire i due fotoresistori nelle mani della marionetta<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=grishnackh86.wordpress.com&amp;blog=10965089&amp;post=88&amp;subd=grishnackh86&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>In mattinata ho ricercato la forma che deve avere l&#8217;oggetto e ho deciso che utilizzerò il seguente modello</p>
<p><a href="http://grishnackh86.files.wordpress.com/2010/01/prova.jpg"><img class="alignnone size-medium wp-image-89" title="modello" src="http://grishnackh86.files.wordpress.com/2010/01/prova.jpg?w=234&#038;h=300" alt="" width="234" height="300" /></a></p>
<p>Ho scelto la seguente forma per inserire i due fotoresistori nelle mani della marionetta</p>
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			<media:title type="html">Stefano</media:title>
		</media:content>

		<media:content url="http://grishnackh86.files.wordpress.com/2010/01/prova.jpg?w=234" medium="image">
			<media:title type="html">modello</media:title>
		</media:content>
	</item>
		<item>
		<title>Roadmap di sviluppo</title>
		<link>http://grishnackh86.wordpress.com/2010/01/25/roadmap-di-sviluppo/</link>
		<comments>http://grishnackh86.wordpress.com/2010/01/25/roadmap-di-sviluppo/#comments</comments>
		<pubDate>Mon, 25 Jan 2010 21:45:59 +0000</pubDate>
		<dc:creator>Stefano</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://grishnackh86.wordpress.com/?p=80</guid>
		<description><![CDATA[Ho deciso di sviluppare il concept marionetta sonora o Theremin. Ma che cos&#8217;è un Theremin? Questo strumento è composto fondamentalmente da due antenne poste sopra e a lato di un contenitore nel quale è alloggiata tutta l&#8217;elettronica. Il controllo avviene allontanando e avvicinando le mani alle antenne, mediante quella superiore (posizionata verticalmente) si controlla l&#8217;altezza <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=grishnackh86.wordpress.com&amp;blog=10965089&amp;post=80&amp;subd=grishnackh86&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Ho deciso di sviluppare il concept marionetta sonora o Theremin.</p>
<p>Ma che cos&#8217;è un Theremin?</p>
<span style="text-align:center; display: block;"><a href="http://grishnackh86.wordpress.com/2010/01/25/roadmap-di-sviluppo/"><img src="http://img.youtube.com/vi/d5EzKtn2ARE/2.jpg" alt="" /></a></span>
<blockquote><p>Questo strumento è composto fondamentalmente da due <a title="Antenna" href="http://it.wikipedia.org/wiki/Antenna">antenne</a> poste sopra e a lato di un contenitore nel quale è alloggiata tutta l&#8217;<a title="Elettronica" href="http://it.wikipedia.org/wiki/Elettronica">elettronica</a>.  Il controllo avviene allontanando e avvicinando le mani alle antenne,  mediante quella superiore (posizionata verticalmente) si controlla l&#8217;<a title="Altezza  (suono)" href="http://it.wikipedia.org/wiki/Altezza_%28suono%29">altezza</a> del suono, quella laterale (posta orizzontalmente)  permette di regolarne l&#8217;<a title="Ampiezza" href="http://it.wikipedia.org/wiki/Ampiezza">ampiezza</a>. Il suono può variare tra quello di un <a title="Violino" href="http://it.wikipedia.org/wiki/Violino">violino</a> e  quello <a title="Voce" href="http://it.wikipedia.org/wiki/Voce">vocale</a>.  Lo strumento è considerato molto difficile da suonare proprio perché lo  si suona senza toccarlo. (<a href="http://it.wikipedia.org/wiki/Theremin" target="_blank">http://it.wikipedia.org/wiki/Theremin</a>)</p></blockquote>
<p>La roadmap di sviluppo prevede la creazione di prototipi dal lato visivo (look&amp;feel), hardware (role) e software; per poi integrarli e testarli.</p>
<p><strong>Roadmap:</strong></p>
<ul>
<li>Martedì mattina &#8211; prototipo cartaceo;</li>
<li>Martedì pomeriggio &#8211; prototipazione hardware;</li>
<li>Mercoledì mattina &#8211; sviluppo software;</li>
<li>Mercoledì pomeriggio &#8211; testing e bugfix;</li>
<li>Giovedì mattina &#8211; RC1;</li>
<li>Giovedì pomeriggio &#8211; Release</li>
</ul>
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			<media:title type="html">Stefano</media:title>
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		<item>
		<title>Selezione concepts</title>
		<link>http://grishnackh86.wordpress.com/2010/01/25/selezione-concepts/</link>
		<comments>http://grishnackh86.wordpress.com/2010/01/25/selezione-concepts/#comments</comments>
		<pubDate>Mon, 25 Jan 2010 21:41:28 +0000</pubDate>
		<dc:creator>Stefano</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://grishnackh86.wordpress.com/?p=82</guid>
		<description><![CDATA[Dalla prima selezione dei concepts sono stati estratti i 10 più interessanti e realizzabili. Suicida; Golem; Bilbo; Maestro di musica; Musa; Gandalf; Dottore; Fisioterapista; Batteria luminosa; Marionetta sonora; In seguito, è stata effettuata un&#8217;ulteriore selezione che ha portato alla scelta di 2 concepts vincenti: Maestro di musica; (più complesso) Marionetta sonora; (più semplice e più <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=grishnackh86.wordpress.com&amp;blog=10965089&amp;post=82&amp;subd=grishnackh86&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Dalla prima selezione dei concepts sono stati estratti i 10 più interessanti e realizzabili.</p>
<ul>
<li>Suicida;</li>
<li>Golem;</li>
<li>Bilbo;</li>
<li>Maestro di musica;</li>
<li>Musa;</li>
<li>Gandalf;</li>
<li>Dottore;</li>
<li>Fisioterapista;</li>
<li>Batteria luminosa;</li>
<li>Marionetta sonora;</li>
</ul>
<p>In seguito, è stata effettuata un&#8217;ulteriore selezione che ha portato alla scelta di 2 concepts vincenti:</p>
<ul>
<li> Maestro di musica; (più complesso)</li>
<li>Marionetta sonora; (più semplice e più di impatto)</li>
</ul>
<p>Per domani mattina deciderò quale sarà il caso sviluppare.</p>
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			<media:title type="html">Stefano</media:title>
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		<item>
		<title>ColorChooser Alpha 0.2</title>
		<link>http://grishnackh86.wordpress.com/2009/12/21/colorchooser-alpha-0-2/</link>
		<comments>http://grishnackh86.wordpress.com/2009/12/21/colorchooser-alpha-0-2/#comments</comments>
		<pubDate>Mon, 21 Dec 2009 15:22:58 +0000</pubDate>
		<dc:creator>Stefano</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://grishnackh86.wordpress.com/?p=45</guid>
		<description><![CDATA[Some changes<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=grishnackh86.wordpress.com&amp;blog=10965089&amp;post=45&amp;subd=grishnackh86&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Some changes</p>
<p><a href="http://grishnackh86.files.wordpress.com/2009/12/colorchooseralpha02.png"><img class="alignnone size-medium wp-image-46" title="ColorChooserAlpha0,2" src="http://grishnackh86.files.wordpress.com/2009/12/colorchooseralpha02.png?w=300&#038;h=158" alt="" width="300" height="158" /></a></p>
<pre></pre>
<p><pre class="brush: plain;">

/* This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.
*/
int x= 10;
int y=10;
int w=20; //rect width
int h=10; //rect height
boolean button = false;

void setup (){
size (275,100);
background (240, 240, 240);
}
void draw (){
stroke (0);
fill (255,0,0);
rect (x,y,w,h); // red button
fill (0,255,0);
rect (40,y,w,h); //green button
fill (0,0,255);
rect (70,y,w,h); //blue button
noFill();
stroke (0);

if (button){
fill (255, 0,0);
}else{
fill (255, 0,0);
}
stroke (0);
}

void mousePressed (){
if (mouseX&gt;x &amp;&amp; mouseX&lt;x+w &amp;&amp; mouseY&gt;y &amp;&amp;mouseY&lt;y+h &amp;&amp; mousePressed){
println (&quot;RGB color 255,0,0&quot;); // RGB code for the red button
noStroke();
colorMode(RGB, 255);
for (int i=0; i &lt; 255; i++) {
fill(i, 0, 0);
rect(i+10, y+y+y,1, 50); //black to red
}
} else if(mouseX&gt;40 &amp;&amp; mouseX&lt;60 &amp;&amp; mouseY&gt;y &amp;&amp;mouseY&lt;y+h &amp;&amp; mousePressed){
println (&quot;RGB color 0,255,0&quot;); //RGB code for the green button
noStroke();
colorMode(RGB, 255);
for (int i = 0; i &lt; 255; i++) {
fill(0, i, 0);
rect(i+10, y+y+y,1, 50); //black to green
}
} else if (mouseX&gt;70 &amp;&amp; mouseX&lt;90 &amp;&amp; mouseY&gt;y &amp;&amp;mouseY&lt;y+h &amp;&amp; mousePressed){
println (&quot;RGB color 0,0,255&quot;); //RGB code for the blue button
noStroke();
colorMode(RGB, 255);
for (int i = 0; i &lt; 255; i++) {
fill(0, 0, i);
rect(i+10, y+y+y,1, 50); //black to blue
}
}
}</pre></p>
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			<media:title type="html">Stefano</media:title>
		</media:content>

		<media:content url="http://grishnackh86.files.wordpress.com/2009/12/colorchooseralpha02.png?w=300" medium="image">
			<media:title type="html">ColorChooserAlpha0,2</media:title>
		</media:content>
	</item>
		<item>
		<title>Testing Arduino servo motor</title>
		<link>http://grishnackh86.wordpress.com/2009/12/17/testing-arduino-servo-motor/</link>
		<comments>http://grishnackh86.wordpress.com/2009/12/17/testing-arduino-servo-motor/#comments</comments>
		<pubDate>Thu, 17 Dec 2009 20:29:24 +0000</pubDate>
		<dc:creator>Stefano</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

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		<title>Prototyping Position Sensor</title>
		<link>http://grishnackh86.wordpress.com/2009/12/16/prototyping-position-sensor/</link>
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		<pubDate>Wed, 16 Dec 2009 13:53:56 +0000</pubDate>
		<dc:creator>Stefano</dc:creator>
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		<description><![CDATA[Video esempio Tools: 4 Cavi (24 AWG) Plastica flessibile (o un qualunque contenitore non conduttore) Stagno (o oggetto conduttore) Step1: creare 2 piccoli fori nelle facce opposte del contenitore Step2: inserire i cavi nei fori Step3: disporre la parte di rame dei cavi in modo che sia separata l&#8217;estremità di ogni cavo, ma facilmente raggiungibile <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=grishnackh86.wordpress.com&amp;blog=10965089&amp;post=25&amp;subd=grishnackh86&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Video esempio</p>
<div class='embed-vimeo' style='text-align:center;'><iframe src='http://player.vimeo.com/video/8217021' width='400' height='300' frameborder='0'></iframe></div>
<p><strong>Tools:</strong></p>
<p>4 Cavi (24 AWG)<br />
Plastica flessibile (o un qualunque contenitore non conduttore)<br />
Stagno (o oggetto conduttore)</p>
<pre><a href="http://grishnackh86.files.wordpress.com/2009/12/sdc10004.jpg"><img title="tools" src="http://grishnackh86.files.wordpress.com/2009/12/sdc10004.jpg?w=150&#038;h=112" alt="" width="150" height="112" /></a>
</pre>
<p><strong>Step1:</strong> creare 2 piccoli fori nelle facce opposte del contenitore</p>
<p><strong>Step2:</strong> inserire i cavi nei fori</p>
<p><strong>Step3</strong>: disporre la parte di rame dei cavi in modo che sia separata l&#8217;estremità di ogni cavo, ma facilmente raggiungibile dall&#8217;oggetto conduttore.</p>
<p><strong>Step4:</strong> inserire l&#8217;oggetto conduttore nel contenitore e chiudere il tutto</p>
<pre><a href="http://grishnackh86.files.wordpress.com/2009/12/sdc10002.jpg"><img class="alignnone size-medium wp-image-30" title="sensore" src="http://grishnackh86.files.wordpress.com/2009/12/sdc10002.jpg?w=300&#038;h=225" alt="" width="300" height="225" /></a>
</pre>
<p><strong>Step5:</strong> collegare il sensore ad arduino e provare il funzionamento con il codice sorgente sottostante</p>
<p>Here the application: Position sensor alpha</p>
<p><pre class="brush: plain;">
/* This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.
*/
const int sensGreen = 2;     // the number of the right sensor pin
const int sensRed = 3;  //the number of the left sensor pin
const int ledPinGreen=  13;      // the number of the green LED pin
const int ledPinRed=  12; // the number of the red LED pin
int valGreen = 0;
int valRed = 0;

void setup() {
 pinMode(ledPinGreen, OUTPUT);
 pinMode(ledPinRed, OUTPUT);
 pinMode(sensGreen, INPUT);
 pinMode(sensRed, INPUT);
}

void loop() { //read the state
 valGreen = digitalRead(sensGreen);
 valRed = digitalRead(sensRed);

 if (valGreen == HIGH) {
 //led on:
 digitalWrite(ledPinGreen, HIGH);
 }
 else {
 digitalWrite(ledPinGreen, LOW);
 }
 if (valRed == HIGH) {
 //led on:
 digitalWrite(ledPinRed, HIGH);
 }
 else {
 digitalWrite(ledPinRed, LOW);
 }
}</pre></p>
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