Descubra cómo simplificar sus obligaciones y proteger su entorno con la automatización de tareas controladas a través de Internet.

Aunque el término IoT admite múltiples definiciones, en todas ellas se hace referencia a la conexión e intercambio de datos entre todo tipo de objetos a través de Internet. Dicha capacidad de comunicación es el principal motivo de la expansión de esta tecnología, ya que facilita su acceso desde cualquier lugar y dispositivo. Incluso, permite la colaboración entre ellos y, en consecuencia, la ejecución de tareas automáticas que amplían significativamente su utilidad.

Desde el punto de vista técnico, la implantación de IoT es posible gracias al auge de protocolos y arquitecturas de comunicación estándar que propician su empleo en microcontroladores pequeños y baratos, como los basados en el SoC ESP8266. Por ese motivo, y a partir de un nivel básico, la lectura de este libro le aportará los conocimientos suficientes para manejar con soltura los protocolos HTTP y MQTT, así como las arquitecturas cliente-servidor, publicación-suscripción y REST, comunes en este tipo de sistemas.

Todos los conceptos que se presentan en este libro se acompañan con material web y numerosos ejercicios prácticos basados en conocidos servicios en la nube, como Ubidots, Pushbullet o IFTTT. En todos ellos se comenta, paso a paso, el código de cada sketch y el proceso de configuración de cada servicio. El resultado será un conjunto de útiles aplicaciones basadas en dispositivos ESP8266 a las que podrá acceder desde un ordenador, una tablet o un teléfono móvil:

•Desarrollará aplicaciones que enviarán notificaciones de alarma cuando, por ejemplo, se produzca una fuga de agua, cuando se detecte movimiento o se abra una puerta de forma imprevista mientras no esté en casa.

•Podrá velar por la seguridad de sus mayores, a los que podrá proporcionar un botón de ayuda o, en caso de que tengan problemas de desorientación, colocarles un dispositivo que permita saber si han salido de casa.

•Aprenderá a crear botones en el escritorio de su teléfono móvil, cuya pulsación desencadene la acción deseada (por ejemplo, abrir la puerta del garaje), e incluso descubrirá cómo hacer esto con un asistente de voz, como Alexa.

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«Internet de las cosas, los servicios en la nube y el ESP8266», Tomás Domínguez Mínguez benzeri kitaplar