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|Material=Une bande de Led, ici de la marque Adafruit néeopixel ; | |Material=Une bande de Led, ici de la marque Adafruit néeopixel ; |
Auteur Matthias | Dernière modification 9/12/2019 par Clementflipo
Bande de led, Bluetooth, Guirlande Guirlande_commandée_par_Bluetooth_20171229_154736.jpg fr none Technique 0
Une bande de Led, ici de la marque Adafruit néeopixel ;
Une carte arduino uno ;
Un module Bluetooth modulable avec une carte arduino uno (ici un module FB155BC) ;
Une alimentation fournissant du 5V (ici une alimentation d'ordinateur modifié pour le projet) ;
Un ordinateur ;
Un téléphone portable ;
Dans cette étape vous allez programmer la carte Arduino uno.
Le mieux est de tester chaque code pour comprendre son fonctionnement, il faut logiquement étudier le code rassemblant le Bluetooth et l'activation de la bande de leds en derniers.
Pour créer votre application il vous faut aller sur MIT App Inventor 2, le logiciel est très facile de prise en main. C'est à vous de jouer avec le logiciel pour comprendre comment il marche, une petite aide quand même, allé sur le lien "eduscol" pour un rapide cours sur l'utilisation du Bluetooth sur App Inventor.
La mise en route est rapide, il vous faut tester la communication entre votre tel et la carte arduino. pour cela il est préférable de faire afficher un message dans le moniteur série de l'interface arduino. Une fois la communication assimilée il vous faut juste envoyer des chaines de caractère qui corresponde à une couleur à envoyer.
La contrainte la plus importante est de trouver une alimentation pour la bande de leds, car la carte arduino ne supporte pas la bande de leds entièrement allumée.
Vous avez entré un nom de page invalide, avec un ou plusieurs caractères suivants :
< > @ ~ : * € £ ` + = / \ | [ ] { } ; ? #