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April 8, 2015

Multiple devices on Azure IoT delivered with ConnectTheDots.io update

Update will enable users to connect more devices and sensor data types, including sound.

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Microsoft has announced it will be updating its ConnectTheDots.io open-source project, which will allow users to connect more devices to the recently announced Azure IoT.

The Azure IoT Suite will become available as a preview release within the next few months, but developers can already get access to the ConnectTheDots.io.

Olivier Bloch, a technical evangelist at Microsoft Open Technologies, said: "ConnectTheDots.io is an open-source project aimed at helping developers who want to get started experiencing Azure IoT services now to do near real data analytics, apply machine learning experiments and more to data coming from real sensors."

"Data is sent from the sensor boards to Azure Event Hubs using AMQP or HTTP/REST.

"Samples then show how to do near-real-time analysis using Azure Stream Analytics and display both real time and alerts data in a website."

Microsoft proposed a scheme for the data sent by devices encapsulated in a JSON message, that allows users to easily add new types of data to the scenario. The key upgrade from the previous version was making the JSON string self-describing to the website.

The tool to setup the Azure services was also updated and will make it simpler to setup Azure Event Hubs.

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Mr Bloch said: "Using simple Makers boards such as an Arduino UNO or DUE, a Raspberry Pi, a Gadgeteer kit or an Intel Galileo, you can follow step by step instructions and re-use sample code to build your first end to end IoT solution, from sensors to Cloud services.

"Data is sent from the sensor boards to Azure Event Hubs using AMQP or HTTP/REST. Samples then show how to do near real time analysis using Azure Stream Analytics and display both real time and alerts data in a website."

Microsoft is currently working on new enhancements to the AzurePrep tool by adding scripts to configure the stream analytics jobs.

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