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demoiot's Introduction

IoT demo con RaspberryPi, Node-RED y Watson

Hardware

  • RaspberryPi (Zero, 2 o 3), OS recomendado Raspbian Jessie Lite
  • Camara USB con micrófono integrado
  • Protoboard
  • 2 Resistencias 100 Ohms, 1 resistencia 4.7 kOhms
  • 2 LEDS
  • Boton mecánico (o capacitivo touch, alguno de los dos)
  • Sensor de temperatura DS18B20
  • Cables tipo Jumpers

Software y configuración

  • NodeRED instalado con los siguientes paquetes adicionales (instalar con npm install o desde node-red):
    • node-red-dashboard
    • node-red-contrib-ibm-watson-iot
    • node-red-node-watson
    • node-red-node-base64
    • node-red-contrib-ds18b20
  • fswebcam (instalar con apt-get install)

Conexión de los componentes

Diagrama de conexión:

alt text

Ejecución

Si no ha instalado los requisitos ir a la carpeta ~/.node-red y ejecutar:

sudo npm install node-red-dashboard node-red-contrib-ibm-watson-iot node-red-node-watson node-red-node-base64 node-red-contrib-ds18b20
sudo apt-get install fswebcam

Para el tutorial, simplemente ejectuar dentro de la carpeta del repo:

node-red -s settings.js tutorial.json 

Para que funcione el demo completo y los flujos de Node-RED hay que tener una cuenta en IBM Bluemix los servicios Speech2Text y VisualRecognition. Completar los flujos con sus respectivas credenciales. Ejecutar:

node-red -s settings.js demo.json 

Link Interfaz WEB en IBM Node-RED: Link

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