![]() You can reuse interfaces across different models. Interfaces are shared contracts that uniquely identify the telemetry, properties, and commands supported by a device. A model describes a complete entity such as a physical product, and defines the set of interfaces implemented by that entity. You author a set of JSON files that define your device's capabilities using the DTDL. The process includes three key steps:ĭefine the device model. To learn more, see IoT Plug and Play architecture Develop an IoT device applicationĪs a device builder, you can develop an IoT hardware product that supports IoT Plug and Play. When you connect an IoT Plug and Play device to an IoT hub, you can use the Azure IoT explorer tool to view the telemetry, properties, and commands defined in the DTDL model. ![]() IoT Hub - a managed cloud service - acts as a message hub for secure, bi-directional communication between your IoT application and your devices. You can also use device templates in the IoT Central web UI to create and edit DTDL models. Here you can use customizable dashboards to monitor and control your devices. IoT Plug and Play devices connect directly to an IoT Central application. The web UI in IoT Central lets you monitor device conditions, create rules, and manage millions of devices and their data throughout their life cycle. To learn more, see IoT Plug and Play device developer guide.Īs a solution builder, you can use IoT Central or IoT Hub to develop a cloud-hosted IoT solution that uses IoT Plug and Play devices. A device builder who creates the code that runs on a device connected to your solution.To learn more, see IoT Plug and Play service developer guide. A solution builder who is responsible for developing an IoT solution using Azure IoT Hub and other Azure resources, and for identifying IoT devices to integrate.IoT Plug and Play is used by two types of developer: How to develop an IoT device application that supports IoT Plug and Play.How to use IoT Plug and Play devices in your application.The typical roles associated with a project that uses IoT Plug and Play.Standard rates for Azure IoT Hub and other Azure services remain the same. There's no extra cost for using IoT Plug and Play and DTDL. Both are based on open W3C standards such as JSON-LD and RDF, which enables easier adoption across services and tooling. IoT Plug and Play and the DTDL are open to the community, and Microsoft welcomes collaboration with customers, partners, and industry. To make IoT Plug and Play work with Azure Digital Twins, you define models and interfaces using the Digital Twins Definition Language (DTDL). You can group these elements in interfaces to reuse across models to make collaboration easier and to speed up development. For example, a command could reboot a gateway or take a picture using a remote camera. Commands that describe a function or operation that can be done on a device.Telemetry that's the data emitted by a device, whether the data is a regular stream of sensor readings, an occasional error, or an information message.For example, a device serial number may be a read-only property and a target temperature on a thermostat may be a writable property. Properties that represent the read-only or writable state of a device or other entity.This model is structured as a set of elements that define: At the core of IoT Plug and Play, is a device model that a device uses to advertise its capabilities to an IoT Plug and Play-enabled application. IoT Plug and Play enables solution builders to integrate IoT devices with their solutions without any manual configuration.
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