Différences entre les pages « Fichier:Item-arduino nano 59d239ca42c0520704e5c7b6-large.jpg » et « Mini station météo (qualité de l'air) »

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Item-arduino_nano_59d239ca42c0520704e5c7b6-large
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{{Tuto Details
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|Licences=Attribution (CC-BY)
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|Description=Création d'une station météo capable d'analyser la qualité de l'air.
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Prototype réalisé dans le cadre du Hackathon Kit4kids 2019 par Denis Bernabeu, Lucas Dupor et Sylvain Charron
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|Disciplines scientifiques=Arduino, Computing, Electricity, Physics
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|Difficulty=Technical
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|Duration=4
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|Duration-type=hour(s)
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|Tags=capteurs, météo, météorologie, température, Air, humidité
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}}
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{{Introduction
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|Introduction=Le but de ce tutoriel est d'assembler une station météo équipée pour afficher la température, l'humidité et la concentration en gaz nocifs.
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Cette station se veut simple d'utilisation et réalisable à bas coût.
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}}
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{{Materials
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|ItemList={{ItemList
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|Item=Breadboard
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}}{{ItemList
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|Item=Carte arduino micro-controleur
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}}{{ItemList
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|Item=Logiciel Arduino
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}}{{ItemList
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|Item=Fil électrique
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}}{{ItemList
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|Item=Câble USB - micro-USB
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}}{{ItemList
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|Item=Batterie 18650
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}}{{ItemList
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|Item=Capteur de température
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}}{{ItemList}}
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|Tuto_Attachments={{Tuto Attachments}}
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}}
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{{Tuto Step
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|Step_Title=Placer la carte sur la Breadboard
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|Step_Content=Après avoir soudé la carte à une embase à broches, la placer sur la Breadboard.
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|Step_Picture_00=Mini_station_m_t_o__qualit__de_l_air__broche.jpg
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|Step_Picture_01=Mini_station_m_t_o_qualit_de_l_air_IMG_20191205_144405.jpg
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}}
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{{Tuto Step
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|Step_Title=Connecter les capteurs à la carte
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|Step_Content=Une fois la carte placée sur la Breadboard, les 2 capteurs se connectent de la façon suivante (voir schéma).
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<br />
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|Step_Picture_00=Captobox_IMG_20191204_152104_01.jpg
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|Step_Picture_01=Captobox_IMG_20191204_152320_01_01.jpg
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|Step_Picture_02=Captobox_IMG_20191204_153503_01.jpg
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|Step_Picture_03=Mini_station_m_t_o_qualit_de_l_air_untitled.png
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 +
}}
 +
{{Tuto Step
 +
|Step_Title=Téléverser le code de la station météo
 +
|Step_Content=Connecter la carte à l'ordinateur en utilisant un câble USB / micro USB.
 +
 
 +
 
 +
Une fois cela fait, ouvrir le logiciel Arduino et télécharger la bibliothèque correspondant au capteur DHT 22 et compatible avec la carte Heltech : DHTesp.
 +
 
 +
 
 +
Une fois cela fait, utiliser le code ci-dessus qui permet de récupérer les données envoyées par les capteurs et de les afficher sur l'écran de la carte :
 +
 
 +
/* Frankencode fait lors de la session KIT4Kids 2019 à Nantes (3,4 et 5 décembre) par Lucas Dupor, Sylvain Charron et Bernabeu Denis*/
 +
 
 +
#include <Arduino.h>
 +
 
 +
#include <U8g2lib.h>
 +
 
 +
#include <DHTesp.h>;
 +
 
 +
#ifdef U8X8_HAVE_HW_SPI
 +
 
 +
#include <SPI.h>
 +
 
 +
#endif
 +
 
 +
#ifdef U8X8_HAVE_HW_I2C
 +
 
 +
#include <Wire.h>
 +
 
 +
#endif
 +
 
 +
DHTesp dht;
 +
 
 +
U8G2_SSD1306_128X32_UNIVISION_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ 16, /* clock=*/ 5, /* data=*/ 4);
 +
 
 +
int analog_pin=A0;
 +
 
 +
void setup(void) {
 +
 
 +
Serial.begin(9600);
 +
 
 +
  u8g2.begin(); // Initialise l'écran
 +
 
 +
  dht.setup(12, DHTesp::DHT22); // Connection DHT senseur à la GPIO 12 (sortie 12)
 +
 
 +
 
 +
}
 +
 
 +
void loop(void) {
 +
 
 +
 
 +
int tempy; // variable lié aux gaz
 +
 
 +
tempy=analogRead(analog_pin);
 +
 
 +
Serial.print("Température : "); //faire apparaitre dans le moniteur série les valeurs de température et d'humidité
 +
 
 +
Serial.println(dht.getTemperature());
 +
 
 +
Serial.print("Humidité : ");
 +
 
 +
Serial.println(dht.getHumidity());
 +
 
 +
u8g2.clearBuffer();  // Nettoyage de la mémoire interne
 +
 
 +
u8g2.setFont(u8g2_font_ncenB08_tr); // Choix d'une police d'écriture
 +
 
 +
u8g2.setCursor(10, 15);
 +
 
 +
u8g2.print("Temperature : ");
 +
 
 +
u8g2.println(dht.getTemperature()); // Affichage de la valeur de température
 +
 
 +
u8g2.setCursor(10, 25);
 +
 
 +
u8g2.print("Humidity:");  // remarque : c'est en anglais car le caractère "é" ne veut pas s'afficher
 +
 
 +
u8g2.println(dht.getHumidity()); // Affichage de la valeur d'humidité
 +
 
 +
u8g2.println("%");
 +
 
 +
u8g2.sendBuffer();  // Transfert de la mémoire interne à l'écran
 +
 
 +
delay(4000); 
 +
 
 +
if(tempy>512)  // début d'une boucle "si" pour savoir si le capteur détecte trop de gaz dangereux
 +
 
 +
{
 +
 
 +
u8g2.clearBuffer();          // Nettoyage de la mémoire interne
 +
 
 +
  u8g2.setFont(u8g2_font_ncenB08_tr); // Choix d'une police d'écriture
 +
 
 +
  u8g2.drawStr(0,10,"Alerte Danger!");  // Ecriture dans la mémoire interne
 +
 
 +
  u8g2.setCursor(0, 25);
 +
 
 +
  u8g2.print(tempy);          // affichage de la valeur de gaz
 +
 
 +
  u8g2.sendBuffer();          // Transfert de la mémoire interne à l'écran
 +
 
 +
  delay(3000); 
 +
 
 +
delay(1000);
 +
 
 +
}
 +
 
 +
else
 +
 
 +
{
 +
 
 +
u8g2.clearBuffer();       
 +
 
 +
  u8g2.setFont(u8g2_font_ncenB08_tr);
 +
 
 +
  u8g2.drawStr(0,10,"Sans danger!");
 +
 
 +
  u8g2.setCursor(0, 25);
 +
 
 +
  u8g2.print(tempy);
 +
 
 +
  u8g2.sendBuffer();         
 +
 
 +
  delay(3000); 
 +
 
 +
}
 +
   
 +
 
 +
}
 +
 
 +
 
 +
Pour une utilisation plus complète de la carte Heltech, se reporter au schéma suivant qui explique plus en détails le rôle des différents PINS :
 +
 
 +
https://user-images.githubusercontent.com/3751318/37211768-50f5be2c-23ad-11e8-9385-416477cd0312.png
 +
|Step_Picture_00=Mini_station_m_t_o__qualit__de_l_air__IMG_20191205_144009.jpg
 +
|Step_Picture_01=Mini_station_m_t_o__qualit__de_l_air__37211768-50f5be2c-23ad-11e8-9385-416477cd0312.png
 +
|Step_Picture_01_annotation={"version":"2.4.6","objects":[{"type":"image","version":"2.4.6","originX":"left","originY":"top","left":0,"top":0,"width":1000,"height":549,"fill":"rgb(0,0,0)","stroke":null,"strokeWidth":0,"strokeDashArray":null,"strokeLineCap":"butt","strokeDashOffset":0,"strokeLineJoin":"miter","strokeMiterLimit":4,"scaleX":0.6,"scaleY":0.6,"angle":0,"flipX":false,"flipY":false,"opacity":1,"shadow":null,"visible":true,"clipTo":null,"backgroundColor":"","fillRule":"nonzero","paintFirst":"fill","globalCompositeOperation":"source-over","transformMatrix":null,"skewX":0,"skewY":0,"crossOrigin":"","cropX":0,"cropY":0,"src":"https://www.wikidebrouillard.org/images/e/e4/Mini_station_m_t_o_qualit_de_l_air_37211768-50f5be2c-23ad-11e8-9385-416477cd0312.png","filters":[]},{"type":"textbox","version":"2.4.6","originX":"center","originY":"center","left":131.34,"top":292.01,"width":285.75,"height":48.82,"fill":"#FF0000","stroke":"#FF0000","strokeWidth":1,"strokeDashArray":null,"strokeLineCap":"butt","strokeDashOffset":0,"strokeLineJoin":"miter","strokeMiterLimit":4,"scaleX":0.89,"scaleY":0.89,"angle":0,"flipX":false,"flipY":false,"opacity":1,"shadow":null,"visible":true,"clipTo":null,"backgroundColor":"","fillRule":"nonzero","paintFirst":"fill","globalCompositeOperation":"source-over","transformMatrix":null,"skewX":0,"skewY":0,"text":"Schéma des branchements de la carte Heltech","fontSize":20,"fontWeight":"normal","fontFamily":"sans-serif","fontStyle":"normal","lineHeight":1.16,"underline":false,"overline":false,"linethrough":false,"textAlign":"left","textBackgroundColor":"","charSpacing":0,"minWidth":20,"styles":{} }],"height":329,"width":600}
 +
}}
 +
{{Tuto Step
 +
|Step_Title=Préparer l'alimentation de la station météo
 +
|Step_Content=La station fonctionne au moyen d'une batterie 18650 que l'on installe sur un support.
 +
 
 +
 
 +
Connecter la sortie 5 Volts de ce support à la borne 5V de la carte Heltech sur la Breadboard.
 +
 
 +
 
 +
Remarque : on peut également utiliser d'autres batteries
 +
|Step_Picture_00=Mini_station_m_t_o__qualit__de_l_air__IMG_20191205_093858.jpg
 +
|Step_Picture_01=Mini_station_m_t_o__qualit__de_l_air__IMG_20191205_151722.jpg
 +
|Step_Picture_02=Mini_station_m_t_o__qualit__de_l_air__IMG_20191205_152000.jpg
 +
|Step_Picture_02_annotation={"version":"2.4.6","objects":[{"type":"image","version":"2.4.6","originX":"left","originY":"top","left":0,"top":0,"width":4608,"height":3456,"fill":"rgb(0,0,0)","stroke":null,"strokeWidth":0,"strokeDashArray":null,"strokeLineCap":"butt","strokeDashOffset":0,"strokeLineJoin":"miter","strokeMiterLimit":4,"scaleX":0.13,"scaleY":0.13,"angle":0,"flipX":false,"flipY":false,"opacity":1,"shadow":null,"visible":true,"clipTo":null,"backgroundColor":"","fillRule":"nonzero","paintFirst":"fill","globalCompositeOperation":"source-over","transformMatrix":null,"skewX":0,"skewY":0,"crossOrigin":"","cropX":0,"cropY":0,"src":"https://www.wikidebrouillard.org/images/3/36/Mini_station_m_t_o_qualit_de_l_air_IMG_20191205_152000.jpg","filters":[]},{"type":"textbox","version":"2.4.6","originX":"center","originY":"center","left":220.31,"top":120,"width":310.37,"height":22.6,"fill":"#000000","stroke":"#000000","strokeWidth":1,"strokeDashArray":null,"strokeLineCap":"butt","strokeDashOffset":0,"strokeLineJoin":"miter","strokeMiterLimit":4,"scaleX":1,"scaleY":1,"angle":0,"flipX":false,"flipY":false,"opacity":1,"shadow":null,"visible":true,"clipTo":null,"backgroundColor":"","fillRule":"nonzero","paintFirst":"fill","globalCompositeOperation":"source-over","transformMatrix":null,"skewX":0,"skewY":0,"text":"Alternative : batterie LIPO","fontSize":20,"fontWeight":"normal","fontFamily":"sans-serif","fontStyle":"normal","lineHeight":1.16,"underline":false,"overline":false,"linethrough":false,"textAlign":"left","textBackgroundColor":"","charSpacing":0,"minWidth":20,"styles":{} }],"height":450,"width":600}
 +
}}
 +
{{Tuto Step
 +
|Step_Title=Construire le boîtier de la station météo
 +
|Step_Content=Le plus simple est d'opter pour une boîte en carton parallélépipédique.
 +
 
 +
 
 +
Avec le matériel décrit sur cette page, les dimensions étaient celles décrites sur la photo du patron.
 +
}}
 +
{{Notes
 +
|Observations=La station permet d'afficher
 +
}}
 +
{{Tuto Status
 +
|Complete=Draft
 +
}}

Version du 5 décembre 2019 à 16:40

Création d'une station météo capable d'analyser la qualité de l'air. Prototype réalisé dans le cadre du Hackathon Kit4kids 2019 par Denis Bernabeu, Lucas Dupor et Sylvain Charron

Auteur avatar20-syl | Dernière modification 12/12/2020 par Antonydbzh

Pas encore d'image

Difficulté
Technique
Durée
4 heure(s)
Disciplines scientifiques
Arduino, Informatique, Electricité, Physique
Création d'une station météo capable d'analyser la qualité de l'air. Prototype réalisé dans le cadre du Hackathon Kit4kids 2019 par Denis Bernabeu, Lucas Dupor et Sylvain Charron
Difficulté
Technique
Durée
4 heure(s)
Disciplines scientifiques
Arduino, Informatique, Electricité, Physique
<languages />
Licence : Attribution (CC-BY)

Introduction

Le but de ce tutoriel est d'assembler une station météo équipée pour afficher la température, l'humidité et la concentration en gaz nocifs.

Cette station se veut simple d'utilisation et réalisable à bas coût.
Breadboard
Item-Breadboard 300px-Cspa 1.jpg
L'avantage de ce système est d'être totalement réutilisable, car il ne nécessite pas de soudure. Ce dernier point distingue les platines Labdec des stripboards (ou veroboards), des perfboards ou des circuits imprimés qui sont, eux, utilisés pour réaliser des prototypes permanents et que l'on sera donc moins à même de démonter. On peut de plus câbler sur une platine Labdec une grande variété de composants afin de réaliser des circuits électroniques, du plus simple circuit jusqu'au microprocesseur.
Carte arduino micro-controleur
Item-Carte arduino micro-controleur 250px-ArduinoUno R3 Front 450px.jpg
Pour accéder aux fiches qui présentent des montage aller dans la catégorie:arduino.

Un super outil pour la bidouille électro-technique !

Arduino est un circuit imprimé qualifié de libre et open-source (les plans sont consultables et tout le monde peut fabriquer une copie exacte de l'Arduino, contrairement à la plupart des objets manufacturés de notre environnement comme les machines à laver, les téléphones, les ordinateurs). Seuls le nom et le logo sont réservés.

Sur Arduino se trouve un microcontrôleur (calculateur) qui peut être programmé pour analyser et produire des signaux électriques.

En gros, on y branche des capteurs, le programme de l'Arduino traite les informations données par le capteur et déclenche des actions (comme allumer ou éteindre, augmenter, diminuer...).

Il peut être utilisé pour effectuer des tâches très diverses comme la charge de batteries, la domotique (le contrôle des appareils domestiques (éclairage, chauffage...), le pilotage d'un robot, etc.

Arduino peut être utilisé pour construire des objets interactifs indépendants (prototypage rapide), ou bien peut être connecté à un ordinateur pour communiquer avec ses logiciels. Plusieurs versions

Il existe plusieurs versions de l'Arduino officiel, plus des versions réalisées par d'autres constructeurs.

Sur wikidébrouillard, nous utiliserons en général l'Arduino Uno.
Logiciel Arduino
Item-Logiciel Arduino logicielArduino.png
C'est le logiciel libre développé pour accompagner et programmer la carte Arduino
Fil électrique
Item-Fil électrique 179px-Stranded lamp wire.jpg
Un fil électrique : est le composant électro technique servant au transport de l'électricité, afin de transmettre de l'énergie et de l'information. Il est constitué d'un matériau conducteur, mono-brin ou multi-brin, souvent entouré d'une enveloppe isolante (plastique, Téflon...). L'intérieur du fil électrique est appelée « âme » du fil.
Câble USB - micro-USB
Item-Câble USB - micro-USB compressed microusb.jpg
Le terme anglais Universal Serial Bus ou USB (en français bus universel en série) est une norme relative à un bus informatique en série qui sert à connecter des périphériques informatiques à un ordinateur ou à tout type d'appareil prévu à cet effet (tablette, smartphone, etc.).
Batterie 18650
Item-Batterie 18650 battrerie.jpg
Batterie de 3,7V
Capteur de température
Item-Capteur de température 250px-20130115 104501.jpg
il mesure la température

Étape 1 - Placer la carte sur la Breadboard

Après avoir soudé la carte à une embase à broches, la placer sur la Breadboard.

Mini station m t o qualit de l air broche.jpg
Mini station m t o qualit de l air IMG 20191205 144405.jpg



Étape 2 - Connecter les capteurs à la carte

Une fois la carte placée sur la Breadboard, les 2 capteurs se connectent de la façon suivante (voir schéma).



Captobox IMG 20191204 152104 01.jpg

Captobox IMG 20191204 153503 01.jpg


Étape 3 - Téléverser le code de la station météo

Mini station m t o qualit de l air IMG 20191205 144009.jpg



Étape 4 - Préparer l'alimentation de la station météo

La station fonctionne au moyen d'une batterie 18650 que l'on installe sur un support.


Connecter la sortie 5 Volts de ce support à la borne 5V de la carte Heltech sur la Breadboard.


Remarque : on peut également utiliser d'autres batteries

Mini station m t o qualit de l air IMG 20191205 093858.jpg
Mini station m t o qualit de l air IMG 20191205 151722.jpg


Étape 5 - Construire le boîtier de la station météo

Le plus simple est d'opter pour une boîte en carton parallélépipédique.


Avec le matériel décrit sur cette page, les dimensions étaient celles décrites sur la photo du patron.

Comment ça marche ?

Observations : que voit-on ?

La station permet d'afficher


Dernière modification 12/12/2020 par user:Antonydbzh.

Commentaires

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