Browsing by Author "Culcay Oñate, Giancarlo"

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    API REST para la transmisión de información y control de redes de sensores IOT
    (Universidad Técnica de Ambato. Facultad de Ingeniería en Sistemas, Electrónica e Industrial. Carrera de Ingeniería en Electrónica y Comunicaciones, 2022-03) Culcay Oñate, Giancarlo; Manzano Villafuerte, Victor Santiago
    The amount of data that the Internet of things generates is growing exponentially, there are more and more devices called "things" that connect to the Internet and provide important data for different sectors, accessing these thousands of data is complicated with conventional techniques, also in recent years due to the pandemic it was necessary for the devices to be configured remotely and facilitate a lot of work. This project analyzes the technologies for the operation of sensor networks, IoT, communication protocols for the IoT and develops a REST API with Node.js and Express so that users can create the resources (nodes, sensors, data) each related to the other. Cloud services are used to deploy a broker container: EMQ X which serves as a server for IoT device connections, by subscribing and publishing data ordered by their sensor id. As the security of these networks has been much talked about, MQTT connections are authenticated using a security token and anonymous connections are not allowed. This project uses serverless solutions, the API REST application is hosted in the Azure App Service and any client that wishes to obtain data from the API must have a registered user and each time they make the requests they must have an access token. MongoDB databases are used for their performance, lightweight documents and allow data without fixed structure for the characteristics of sensors and data that can have different values, and that changes continuously. Users can perform CRUD operations with the resources, and to get the data they can specify the limit, offset, date of the data they want to get.