Mini station météo (qualité de l'air) : Différence entre versions
 
(12 révisions intermédiaires par un autre utilisateur non affichées)
Ligne 1 : Ligne 1 :
 
{{Tuto Details
 
{{Tuto Details
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|Main_Picture=Mini_station_m_t_o__qualit__de_l_air__63086aaf-fc4d-4934-98a0-e9de7fd02b9f.jpg
 
|Licences=Attribution (CC-BY)
 
|Licences=Attribution (CC-BY)
−
|Description=Création d'une station météo capable d'analyser la qualité de l'air
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|Description=Création d'une station météo capable d'analyser la qualité de l'air.
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|Disciplines scientifiques=Arduino, Computing, Electricity, Physics
+
 
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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
 
|Difficulty=Technical
 
|Difficulty=Technical
 
|Duration=4
 
|Duration=4
Ligne 11 : Ligne 14 :
 
|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.
 
|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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Cette station se veut simple d'utilisation et réalisable à bas coût.
 
}}
 
}}
 
{{Materials
 
{{Materials
 
|ItemList={{ItemList
 
|ItemList={{ItemList
 
|Item=Breadboard
 
|Item=Breadboard
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}}{{ItemList
 
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|Item=Carte arduino micro-controleur
 
 
}}{{ItemList
 
}}{{ItemList
 
|Item=Logiciel Arduino
 
|Item=Logiciel Arduino
Ligne 26 : Ligne 27 :
 
}}{{ItemList
 
}}{{ItemList
 
|Item=Batterie 18650
 
|Item=Batterie 18650
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}}{{ItemList}}
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}}{{ItemList
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|Item=Capteur de température
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}}{{ItemList
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|Item=Arduino Uno
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}}
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|Tuto_Attachments={{Tuto Attachments
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|Attachment=Mini_station_m_t_o__qualit__de_l_air__code_mini_station_m_t_o.ino
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}}
 
}}
 
}}
 
{{Tuto Step
 
{{Tuto Step
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|Step_Title=Souder la carte
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|Step_Title=Placer la carte sur la Breadboard
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|Step_Picture_00=Captobox_IMG_20191204_153503_01.jpg
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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__IMG_20191205_154231__01.jpg
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|Step_Picture_01=Mini_station_m_t_o_qualit_de_l_air_IMG_20191205_144405.jpg
 
}}
 
}}
 
{{Tuto Step
 
{{Tuto Step
 
|Step_Title=Connecter les capteurs à la carte
 
|Step_Title=Connecter les capteurs à la carte
 +
|Step_Content=Une fois la carte placée sur la Breadboard, les 2 capteurs se connectent de la façon suivante (voir schéma).<br />
 
|Step_Picture_00=Captobox_IMG_20191204_152104_01.jpg
 
|Step_Picture_00=Captobox_IMG_20191204_152104_01.jpg
 
|Step_Picture_01=Captobox_IMG_20191204_152320_01_01.jpg
 
|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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 +
}}
 +
{{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 :
 +
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
 +
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 +
}}
 +
{{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
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|Step_Picture_02=Mini_station_m_t_o__qualit__de_l_air__IMG_20191205_152000.jpg
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 +
}}
 +
{{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.
 +
|Step_Picture_00=Mini_station_m_t_o__qualit__de_l_air__IMG_20191205_154612.jpg
 +
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 +
}}
 +
{{Tuto Step
 +
|Step_Title=Placer les éléments dans le support
 +
}}
 +
{{Notes
 +
|Observations=La station affiche la température et l'humidité ambiante, et prévient si le taux en gaz nocif dépasse un certain seuil, affichant alors un message de danger
 +
|Applications=Le dispositif peut servir, dans une pièce à vivre, à s'informer de la qualité de l'air.
 +
 +
Il serait aussi envisageable de communiquer des relevés de données à distance grâce à la liaison wi-fi de la carte.
 +
|Objectives=Plusieurs niveaux possibles d'utilisation pédagogique :
 +
 +
- partir de zéro et assembler la station météo
 +
 +
- observer une station déjà assemblée et en détailler les différents composants, leur rôle, les connexions les reliant les uns aux autres, etc.
 +
 +
- récolter les données transmises par une station pour les exploiter, pourquoi pas en faisant varier les lieux , et en tirer des conclusions.
 
}}
 
}}
−
{{Notes}}
 
 
{{Tuto Status
 
{{Tuto Status
−
|Complete=Draft
+
|Complete=Published
 
}}
 
}}

Version actuelle datée du 12 décembre 2020 à 10:31

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

Mini station m t o qualit de l air 63086aaf-fc4d-4934-98a0-e9de7fd02b9f.jpg
Difficulté
Technique
Durée
4 heure(s)
Disciplines scientifiques
Arduino
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
<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.
  • Fichiers
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.
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
Arduino Uno
Item-Arduino Arduino Uno - R3.jpg
Arduino, et son synonyme Genuino sont des micro-controleurs libres.

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 IMG 20191205 154231 01.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

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 : 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

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.




Étape 6 - Placer les éléments dans le support

Comment ça marche ?

Observations : que voit-on ?

La station affiche la température et l'humidité ambiante, et prévient si le taux en gaz nocif dépasse un certain seuil, affichant alors un message de danger


Applications : dans la vie de tous les jours

Le dispositif peut servir, dans une pièce à vivre, à s'informer de la qualité de l'air.

Il serait aussi envisageable de communiquer des relevés de données à distance grâce à la liaison wi-fi de la carte.

Éléments pédagogiques

Objectifs pédagogiques

Plusieurs niveaux possibles d'utilisation pédagogique :

- partir de zéro et assembler la station météo

- observer une station déjà assemblée et en détailler les différents composants, leur rôle, les connexions les reliant les uns aux autres, etc.

- récolter les données transmises par une station pour les exploiter, pourquoi pas en faisant varier les lieux , et en tirer des conclusions.

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

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