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  • <nowiki>==Bibliothèque : ==<br /& … <nowiki>==Bibliothèque : ==<br />Pour utiliser facilement ce capteur, nous vous conseillons d'utiliser la bibliothèque Grove BME280 (présente dans le gestionnaire de bibliothèques arduino)<br /><br />plus d'infos pour [https://www.wikidebrouillard.org/wiki/Importer_des_biblioth%C3%A8ques_dans_l%27interface_Arduino Importer des bibliothèques dans l'interface Arduino]<div class="annotatedImageDiv" typeof="Image" data-resource="Fichier:Item-BME280 Capture decran du 2020-12-11 14-37-37.png" data-sourceimage="https://wikidebrouillard.qualif.dokit.app/images/9/94/Item-BME280_Capture_decran_du_2020-12-11_14-37-37.png"><span ><figure class="mw-halign-center" typeof="mw:File/Frameless"><a href="/wiki/Fichier:Item-BME280_Capture_decran_du_2020-12-11_14-37-37.png" class="mw-file-description"><img src="/images/9/94/Item-BME280_Capture_decran_du_2020-12-11_14-37-37.png" decoding="async" loading="lazy" width="828" height="114" class="mw-file-element" data-file-width="828" data-file-height="114" /></a><figcaption></figcaption></figure></span></div>La bibliothèque est disponible ici : https://github.com/Seeed-Studio/Grove_BME280<br />==Câblage : ==<br /><div class="annotatedImageDiv" typeof="Image" data-resource="Fichier:Item-BME280 Capture decran du 2020-12-11 14-42-46.png" data-sourceimage="https://wikidebrouillard.qualif.dokit.app/images/3/33/Item-BME280_Capture_decran_du_2020-12-11_14-42-46.png"><span ><figure class="mw-halign-center" typeof="mw:File/Frameless"><a href="/wiki/Fichier:Item-BME280_Capture_decran_du_2020-12-11_14-42-46.png" class="mw-file-description"><img alt="Item-BME280 Capture decran du 2020-12-11 14-42-46.png" src="/images/thumb/3/33/Item-BME280_Capture_decran_du_2020-12-11_14-42-46.png/400px-Item-BME280_Capture_decran_du_2020-12-11_14-42-46.png" decoding="async" loading="lazy" width="400" height="289" class="mw-file-element" srcset="/images/thumb/3/33/Item-BME280_Capture_decran_du_2020-12-11_14-42-46.png/600px-Item-BME280_Capture_decran_du_2020-12-11_14-42-46.png 1.5x, /images/thumb/3/33/Item-BME280_Capture_decran_du_2020-12-11_14-42-46.png/800px-Item-BME280_Capture_decran_du_2020-12-11_14-42-46.png 2x" data-file-width="937" data-file-height="677" /></a><figcaption></figcaption></figure></span></div><br /><br /><br />==Le code minimal : ==<br /><table class="wikitable" cellspacing="0" border="0"><br /><tr><br /><td height="17" bgcolor="#999999" align="left"><br /></td><td valign="middle" bgcolor="#999999" align="center"><br /></td><td bgcolor="#999999" align="center">BME280<br /></td></tr><tr><br /><td rowspan="2" valign="middle" height="49" bgcolor="#999999" align="center">Avant le Setup<br /></td><td valign="middle" bgcolor="#999999" align="center">Importation de la bibliothèque<br /></td><td valign="middle" align="left">#include "Seeed_BME280.h"<br />#include <Wire.h><br /></td></tr><tr><br /><td valign="middle" bgcolor="#999999" align="center">Création de l’objet<br /></td><td valign="middle" align="left">BME280 bme280; // je crée l'objet "bme280" (qui est un BME280)<br /></td></tr><tr><br /><td valign="middle" height="17" bgcolor="#999999" align="center">Dans le Setup<br /></td><td valign="middle" bgcolor="#999999" align="center">Démarrage de l’objet<br /></td><td valign="middle" align="left">bme280.init(); // ou bme280.init(0x76); ou bme280.init(0x77);<br /></td></tr><tr><br /><td valign="middle" height="41" bgcolor="#999999" align="center">Dans le Loop<br /></td><td valign="middle" bgcolor="#999999" align="center">Utilisation<br /></td><td valign="middle" align="left">bme280.getTemperature()<br /></td></tr></table><br />==Autres fonctionnalités==<br /><table class="wikitable"><br /><tr><br /><th colspan="2">Fonction<br /></th></tr><tr><br /><td>bme280.getPressure()<br /></td><td>Récupère la pression en pascal<br /></td></tr><tr><br /><td>bme280.getHumidity()<br /></td><td>Récupère l'humidité en %<br /></td></tr></table><br/><br />==Exemple : ==<br /><div class="mw-highlight mw-highlight-lang-arduino mw-content-ltr mw-highlight-lines" dir="ltr"><pre><span></span><span class="linenos" data-line="1"></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">"Seeed_BMP280.h"</span><span class="w"> </span><span class="c1">// import de la bibliothèque BMP280</span><br /><span class="linenos" data-line="2"></span><span class="cp">#include</span><span class="w"> </span><span class="cpf"><Wire.h></span><span class="w"> </span><span class="c1">// Import de la bibliothèque I2C </span><br /><span class="linenos" data-line="3"></span><span class="n">BMP280</span><span class="w"> </span><span class="n">bmp280</span><span class="p">;</span><span class="w"> </span><span class="c1">// création de l'objet</span><br /><span class="linenos" data-line="4"></span><span class="kr">void</span><span class="w"> </span><span class="nb">setup</span><span class="p">()</span><br /><span class="linenos" data-line="5"></span><span class="p">{</span><br /><span class="linenos" data-line="6"></span><span class="w"> </span><span class="nf">Serial</span><span class="p">.</span><span class="nf">begin</span><span class="p">(</span><span class="mi">9600</span><span class="p">);</span><span class="w"> </span><span class="c1">//initialisation de la liaison série</span><br /><span class="linenos" data-line="7"></span><span class="w"> </span><span class="n">bmp280</span><span class="p">.</span><span class="n">init</span><span class="p">();</span><span class="w"> </span><span class="c1">//initialisation du capteur</span><br /><span class="linenos" data-line="8"></span><span class="p">}</span><br /><span class="linenos" data-line="9"></span><span class="kr">void</span><span class="w"> </span><span class="nb">loop</span><span class="p">()</span><br /><span class="linenos" data-line="10"></span><span class="p">{</span><span class="w"> </span><br /><span class="linenos" data-line="11"></span><span class="w"> </span><span class="kr">float</span><span class="w"> </span><span class="n">temp</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">bmp280</span><span class="p">.</span><span class="n">getTemperature</span><span class="p">();</span><span class="w"> </span><span class="c1">//récupération de la température</span><br /><span class="linenos" data-line="12"></span><span class="w"> </span><span class="nf">Serial</span><span class="p">.</span><span class="nf">print</span><span class="p">(</span><span class="s">"Température : "</span><span class="p">);</span><span class="w"> </span><span class="c1">// affichage de la température dans le terminal série</span><br /><span class="linenos" data-line="13"></span><span class="w"> </span><span class="nf">Serial</span><span class="p">.</span><span class="nf">println</span><span class="p">(</span><span class="n">temp</span><span class="p">);</span><br /><span class="linenos" data-line="14"></span><span class="p">}</span><br /></pre></div><br/></nowiki>enos" data-line="13"></span><span class="w"> </span><span class="nf">Serial</span><span class="p">.</span><span class="nf">println</span><span class="p">(</span><span class="n">temp</span><span class="p">);</span><br /><span class="linenos" data-line="14"></span><span class="p">}</span><br /></pre></div><br/></nowiki>  
  • <nowiki>==Câblage : ==<br />No … <nowiki>==Câblage : ==<br />Notez que la broche gain est connectée à la broche tension (Vdd) (câble jaune sur le schéma).<div class="annotatedImageDiv" typeof="Image" data-resource="Fichier:Item-microphone MAX9814.png" data-sourceimage="https://wikidebrouillard.qualif.dokit.app/images/9/9d/Item-microphone_MAX9814.png"><span ><figure class="mw-halign-center" typeof="mw:File/Frameless"><a href="/wiki/Fichier:Item-microphone_MAX9814.png" class="mw-file-description" title="câblage Microphone MAX9814"><img alt="câblage Microphone MAX9814" src="/images/thumb/9/9d/Item-microphone_MAX9814.png/1094px-Item-microphone_MAX9814.png" decoding="async" loading="lazy" width="1094" height="740" class="mw-file-element" srcset="/images/9/9d/Item-microphone_MAX9814.png 1.5x" data-file-width="1104" data-file-height="747" /></a><figcaption>câblage Microphone MAX9814</figcaption></figure></span></div><br /><br /><br />==Le code minimal : ==<br /><table class="wikitable" cellspacing="0" border="0"><br /><tr><br /><td height="17" bgcolor="#999999" align="left"><br /></td><td valign="middle" bgcolor="#999999" align="center"><br /></td><td bgcolor="#999999" align="center">MAX9814<br /></td></tr><tr><br /><td rowspan="2" valign="middle" height="49" bgcolor="#999999" align="center">Avant le Setup<br /></td><td valign="middle" bgcolor="#999999" align="center">pas de bibliothèque<br /></td><td valign="middle" align="left"><br /></td></tr><tr><br /><td valign="middle" bgcolor="#999999" align="center">Création d'une variable<br /></td><td valign="middle" align="left">int valeurCapteur; // On prépare une variable pour stocker les valeurs du capteur<br /></td></tr><tr><br /><td valign="middle" height="17" bgcolor="#999999" align="center">Dans le Setup<br /></td><td valign="middle" bgcolor="#999999" align="center">Démarrage de l’objet<br /></td><td valign="middle" align="left">Serial.begin(9600); // on démarre la communication série<br /></td></tr><tr><br /><td valign="middle" height="41" bgcolor="#999999" align="center">Dans le Loop<br /></td><td valign="middle" bgcolor="#999999" align="center">Utilisation<br /></td><td valign="middle" align="left">valeurCapteur = analogRead(A0); // On lit la valuer mesurée par le capteur sur la broche A0<br />Serial.println(valeurCapteur); // On publie sur le moniteur série la valeur récupérée<br /></td></tr></table><br/><br />==Exemple : ==<br /><div class="mw-highlight mw-highlight-lang-arduino mw-content-ltr mw-highlight-lines" dir="ltr"><pre><span></span><span class="linenos" data-line="1"></span><span class="c1">/////////////////</span><br /><span class="linenos" data-line="2"></span><span class="c1">// Microphone //</span><br /><span class="linenos" data-line="3"></span><span class="c1">// MAX9814 //</span><br /><span class="linenos" data-line="4"></span><span class="c1">/////////////////</span><br /><span class="linenos" data-line="5"></span><br /><span class="linenos" data-line="6"></span><span class="cm">/*</span><br /><span class="linenos" data-line="7"></span><span class="cm"> * Un programme pour tester le fonctionnement du microphone MAX9814</span><br /><span class="linenos" data-line="8"></span><span class="cm"> * Il utilise le traceur série pour visualiser les signaux récupérés</span><br /><span class="linenos" data-line="9"></span><span class="cm"> * pour utiliser le traceur série : cliquez sur Outils/Traceur série</span><br /><span class="linenos" data-line="10"></span><span class="cm"> ___</span><br /><span class="linenos" data-line="11"></span><span class="cm"> / ___ \</span><br /><span class="linenos" data-line="12"></span><span class="cm">|_| | |</span><br /><span class="linenos" data-line="13"></span><span class="cm"> /_/ </span><br /><span class="linenos" data-line="14"></span><span class="cm"> _ ___ _ </span><br /><span class="linenos" data-line="15"></span><span class="cm"> |_| |___|_| |_</span><br /><span class="linenos" data-line="16"></span><span class="cm"> ___|_ _|</span><br /><span class="linenos" data-line="17"></span><span class="cm"> |___| |_|</span><br /><span class="linenos" data-line="18"></span><span class="cm">Les petits Débrouillards - Novembre 2022 - CC-By-Sa http://creativecommons.org/licenses/by-nc-sa/3.0/</span><br /><span class="linenos" data-line="19"></span><span class="cm">*/</span><br /><span class="linenos" data-line="20"></span><br /><span class="linenos" data-line="21"></span><span class="kr">int</span><span class="w"> </span><span class="n">valeurCapteur</span><span class="p">;</span><span class="w"> </span><span class="c1">// On prépare une variable pour stocker les valeurs du capteur</span><br /><span class="linenos" data-line="22"></span><br /><span class="linenos" data-line="23"></span><span class="kr">void</span><span class="w"> </span><span class="nb">setup</span><span class="p">()</span><span class="w"> </span><span class="p">{</span><br /><span class="linenos" data-line="24"></span><span class="w"> </span><span class="c1">// on démarre la communication série</span><br /><span class="linenos" data-line="25"></span><span class="w"> </span><span class="nf">Serial</span><span class="p">.</span><span class="nf">begin</span><span class="p">(</span><span class="mi">9600</span><span class="p">);</span><br /><span class="linenos" data-line="26"></span><span class="p">}</span><br /><span class="linenos" data-line="27"></span><br /><span class="linenos" data-line="28"></span><span class="kr">void</span><span class="w"> </span><span class="nb">loop</span><span class="p">()</span><span class="w"> </span><span class="p">{</span><br /><span class="linenos" data-line="29"></span><span class="w"> </span><span class="c1">// On lit la valeur mesurée par le capteur sur la broche A0</span><br /><span class="linenos" data-line="30"></span><span class="w"> </span><span class="n">valeurCapteur</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nf">analogRead</span><span class="p">(</span><span class="n">A0</span><span class="p">);</span><br /><span class="linenos" data-line="31"></span><span class="w"> </span><span class="c1">// On publie sur le traceur série la valeur récupérée</span><br /><span class="linenos" data-line="32"></span><span class="w"> </span><span class="nf">Serial</span><span class="p">.</span><span class="nf">println</span><span class="p">(</span><span class="n">valeurCapteur</span><span class="p">);</span><br /><span class="linenos" data-line="33"></span><span class="w"> </span><span class="p">}</span><br /></pre></div></nowiki>n><span class="nf">Serial</span><span class="p">.</span><span class="nf">println</span><span class="p">(</span><span class="n">valeurCapteur</span><span class="p">);</span><br /><span class="linenos" data-line="33"></span><span class="w"> </span><span class="p">}</span><br /></pre></div></nowiki>  
  • <nowiki>Un bouton poussoir est un co … <nowiki>Un bouton poussoir est un composant qui ouvre (le courant ne passe plus) ou ferme (le courant passe) un circuit électrique.<br /><br /><br /><table class="wikitable" cellspacing="0" border="0"><br /><tr><br /><td height="17" bgcolor="#999999" align="left"><br /></td><td valign="middle" bgcolor="#999999" align="center"><br /></td><td bgcolor="#999999" align="center">Bouton poussoir<br /></td></tr><tr><br /><td rowspan="2" valign="middle" height="49" bgcolor="#999999" align="center">Avant le Setup<br /></td><td valign="middle" bgcolor="#999999" align="center">Importation de la bibliothèque<br /></td><td valign="middle" align="left"><br /></td></tr><tr><br /><td valign="middle" bgcolor="#999999" align="center">Création de l’objet<br /></td><td valign="middle" align="left"><br /></td></tr><tr><br /><td valign="middle" height="17" bgcolor="#999999" align="center">Dans le Setup<br /></td><td valign="middle" bgcolor="#999999" align="center">Démarrage de l’objet<br /></td><td valign="middle" align="left">pinMode(num_broche,INPUT_PULLUP) ;<br /></td></tr><tr><br /><td valign="middle" height="41" bgcolor="#999999" align="center">Dans le Loop<br /></td><td valign="middle" bgcolor="#999999" align="center">Utilisation<br /></td><td valign="middle" align="left">int val_bouton = digitalRead(num_broche);<br/><br /></td></tr></table><br/><div class="mw-highlight mw-highlight-lang-arduino mw-content-ltr mw-highlight-lines" dir="ltr"><pre><span></span><span class="linenos" data-line="1"></span><span class="c1">////////////////////////</span><br /><span class="linenos" data-line="2"></span><span class="c1">// *Code Minimal* //</span><br /><span class="linenos" data-line="3"></span><span class="c1">// -Le Bouton- //</span><br /><span class="linenos" data-line="4"></span><span class="c1">////////////////////////</span><br /><span class="linenos" data-line="5"></span><span class="cm">/*Les programmes "Code Minimal" des petits débrouillards sont conçu pour </span><br /><span class="linenos" data-line="6"></span><span class="cm">permettre la prise en main rapide d'un composant électronique.</span><br /><span class="linenos" data-line="7"></span><span class="cm">A retrouver sur https://www.wikidebrouillard.org</span><br /><span class="linenos" data-line="8"></span><br /><span class="linenos" data-line="9"></span><span class="cm">-Le Bouton-</span><br /><span class="linenos" data-line="10"></span><br /><span class="linenos" data-line="11"></span><span class="cm">Matériel :</span><br /><span class="linenos" data-line="12"></span><span class="cm">- un D1 mini</span><br /><span class="linenos" data-line="13"></span><span class="cm">- un bouton</span><br /><span class="linenos" data-line="14"></span><br /><span class="linenos" data-line="15"></span><span class="cm">le bouton branché à la broche D3 du D1 mini </span><br /><span class="linenos" data-line="16"></span><span class="cm">car la broche D3 possède une résistance de pullup interne</span><br /><span class="linenos" data-line="17"></span><span class="cm">Une résistance de pullup c'est lorsque la broche est branchée a une résistance reliée au niveau haut de la carte(HIGH)</span><br /><span class="linenos" data-line="18"></span><span class="cm">dans le D1 mini il y a donc une résistance de 10Kohm qui relie la broche D3 au +3,3V</span><br /><span class="linenos" data-line="19"></span><span class="cm"> D3---^/\/v---+3V3</span><br /><span class="linenos" data-line="20"></span><span class="cm"> </span><br /><span class="linenos" data-line="21"></span><span class="cm"> ___</span><br /><span class="linenos" data-line="22"></span><span class="cm"> / ___ \</span><br /><span class="linenos" data-line="23"></span><span class="cm">|_| | |</span><br /><span class="linenos" data-line="24"></span><span class="cm"> /_/ </span><br /><span class="linenos" data-line="25"></span><span class="cm"> _ ___ _ </span><br /><span class="linenos" data-line="26"></span><span class="cm"> |_| |___|_| |_</span><br /><span class="linenos" data-line="27"></span><span class="cm"> ___|_ _|</span><br /><span class="linenos" data-line="28"></span><span class="cm"> |___| |_|</span><br /><span class="linenos" data-line="29"></span><span class="cm">Les petits Débrouillards - décembre 2020 - CC-By-Sa http://creativecommons.org/licenses/by-nc-sa/3.0/</span><br /><span class="linenos" data-line="30"></span><span class="cm">*/</span><br /><span class="linenos" data-line="31"></span><br /><span class="linenos" data-line="32"></span><span class="c1">// Déclaration des variables constantes</span><br /><span class="linenos" data-line="33"></span><span class="kr">const</span><span class="w"> </span><span class="kr">int</span><span class="w"> </span><span class="n">brocheBouton</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">D3</span><span class="p">;</span><span class="w"> </span><span class="c1">// Broche où est connectée le bouton </span><br /><span class="linenos" data-line="34"></span><span class="kr">const</span><span class="w"> </span><span class="kr">int</span><span class="w"> </span><span class="n">brocheLed</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">D4</span><span class="p">;</span><span class="w"> </span><span class="c1">// Broche D4, où la led interne au wemos est connectée</span><br /><span class="linenos" data-line="35"></span><br /><span class="linenos" data-line="36"></span><span class="c1">// Boucle d'initialisation</span><br /><span class="linenos" data-line="37"></span><span class="kr">void</span><span class="w"> </span><span class="nb">setup</span><span class="p">()</span><span class="w"> </span><span class="p">{</span><br /><span class="linenos" data-line="38"></span><span class="w"> </span><span class="nf">pinMode</span><span class="p">(</span><span class="n">brocheLed</span><span class="p">,</span><span class="w"> </span><span class="kr">OUTPUT</span><span class="p">);</span><span class="w"> </span><span class="c1">// Initialisation de la broche de la led en sortie</span><br /><span class="linenos" data-line="39"></span><br /><span class="linenos" data-line="40"></span><span class="w"> </span><span class="nf">pinMode</span><span class="p">(</span><span class="n">brocheBouton</span><span class="p">,</span><span class="w"> </span><span class="kr">INPUT_PULLUP</span><span class="p">);</span><span class="w"> </span><span class="c1">// Initialisation de la broche du bouton en entrée et activation du pull-up interne</span><br /><span class="linenos" data-line="41"></span><span class="p">}</span><br /><span class="linenos" data-line="42"></span><br /><span class="linenos" data-line="43"></span><span class="c1">//Boucle principale</span><br /><span class="linenos" data-line="44"></span><span class="kr">void</span><span class="w"> </span><span class="nb">loop</span><span class="p">()</span><span class="w"> </span><span class="p">{</span><br /><span class="linenos" data-line="45"></span><span class="c1">// Lecture de l'état du bouton et stockage dans la variable etatBouton</span><br /><span class="linenos" data-line="46"></span><span class="c1">// Déclaration de variable d'état locale (dite locale car déclarée dans la boucle "loop").</span><br /><span class="linenos" data-line="47"></span><span class="w"> </span><span class="kr">bool</span><span class="w"> </span><span class="n">etatBouton</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nf">digitalRead</span><span class="p">(</span><span class="n">brocheBouton</span><span class="p">);</span><span class="w"> </span><span class="c1">//// Variable permettant de récupérer l'état du bouton</span><br /><span class="linenos" data-line="48"></span><br /><span class="linenos" data-line="49"></span><span class="w"> </span><span class="c1">// Si le bouton est appuyé, on éteins la led</span><br /><span class="linenos" data-line="50"></span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">etatBouton</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="kr">HIGH</span><span class="p">)</span><span class="w"> </span><span class="p">{</span><br /><span class="linenos" data-line="51"></span><span class="w"> </span><span class="c1">// extinction de la led</span><br /><span class="linenos" data-line="52"></span><span class="w"> </span><span class="nf">digitalWrite</span><span class="p">(</span><span class="n">brocheLed</span><span class="p">,</span><span class="w"> </span><span class="kr">HIGH</span><span class="p">);</span><br /><span class="linenos" data-line="53"></span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="p">{</span><br /><span class="linenos" data-line="54"></span><span class="w"> </span><span class="c1">// sinon allumage de la led</span><br /><span class="linenos" data-line="55"></span><span class="w"> </span><span class="nf">digitalWrite</span><span class="p">(</span><span class="n">brocheLed</span><span class="p">,</span><span class="w"> </span><span class="kr">LOW</span><span class="p">);</span><br /><span class="linenos" data-line="56"></span><span class="w"> </span><span class="p">}</span><br /><span class="linenos" data-line="57"></span><span class="p">}</span><br /></pre></div><br/></nowiki> class="p">}</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="p">{</span><br /><span class="linenos" data-line="54"></span><span class="w"> </span><span class="c1">// sinon allumage de la led</span><br /><span class="linenos" data-line="55"></span><span class="w"> </span><span class="nf">digitalWrite</span><span class="p">(</span><span class="n">brocheLed</span><span class="p">,</span><span class="w"> </span><span class="kr">LOW</span><span class="p">);</span><br /><span class="linenos" data-line="56"></span><span class="w"> </span><span class="p">}</span><br /><span class="linenos" data-line="57"></span><span class="p">}</span><br /></pre></div><br/></nowiki>  
  • Il existe deux catégories de capteurs : * … Il existe deux catégories de capteurs :</br></br>* Les capteurs Analogiques</br>* Les capteurs Numériques</br></br>Les capteurs Analogiques : </br></br>Ils renvoient du courant à l'Arduino.</br></br>Ils sont reliés aux broches Analogiques de la carte qui sont capables de transformer le courant en information (un signal numérique).</br></br></br>Les capteurs Numériques :</br></br>Il renvoient un 1 ou un 0 à l'Arduino</br></br><br/> renvoient un 1 ou un 0 à l'Arduino <br/>  +