We are pleased to present below all posts tagged with 'Internet of Things'. If you still can't find what you are looking for, try using the search box.
As a further confirmation that Microsoft wants to be part of the business of the Internet of Things, was released a "limited preview" of a new product on Azure: Azure Microsoft Intelligent System Service.
The primary objective is to provide a single platform capable of acquiring data generated by heterogeneous systems (and thus non-Microsoft) for further processing and analyzing in real-time with tools like HDInsight.
The main features will be :
Connectivity : ability to connect any device regardless of onboard operating system;
Configuration : definition of rules to automate processes on the device;
Administration : ability to monitor, configure and update devices in the field;
Extensibility : greater scalability and efficiency through infrastructure based on cloud;
At the following link, it is possible to request a limited preview to which potential users will have access as a result of a questionnaire for assessing the project to ...
One of the protocols most commonly used in the messaging systems that can be also used for the Internet of Things is the AMQP (Advanced Message Queuing Protocol) that already is OASIS standard and now it is at version 1.0.
The Service Bus offered by Windows Azure supports this protocol, that ensures communication between clients developed on different platforms. In the case of a Microsoft platform we have no problem thanks to the Windows Azure SDK (now at version 2.3) that completely abstracts the underlying communication protocol with the Service Bus (AMQP, SBMP, ...) thanks to its programming model.
if we are working on a non-Microsoft system, one of the best choices is to adopt the libraries of the Apache Qpid project and in particular the Qpid Proton. This library is developed in C and it provides the bindings for other languages including Java, Python, and PHP.
In this tutorial, we will see how to create an Ubuntu Server 12.04 LTS virtual machine on Windows Azure, install and use the Qpid Pr ...
With a week later than the expected output, I finally released in Beta an MQTT broker completely developed in C# that can run on .NET Framework and .NET Compact Framework 3.9 (on systems with Windows Embedded Compact 2013) his name is ... GnatMQ !
It has the M2Mqtt library “core” with which it shares the features of MQTT protocol about the part of the connection to the clients and the messages management.
Obviously, it is completely open source and available on CodePlex but is currently in Beta version (aspect numerous reports on your part!).
Main features included in the current release :
All three Quality of Service (QoS) Levels (at most once, at least once, exactly once);
Will message (QoS, topic and message);
Username/Password via a User Access Control;
Subscription to topics with wildcards;
Publish and subscribe handle using inf ...
Today is "born" a new dedicated website by Microsoft on the Internet of Things that talks about the Internet of Your Things and highlights that the IoT can be achieved by each of us with his own "things" that can interconnect with each other through the Cloud.
On the website you can find all the information about this new (or already mature ?) project on which Microsoft is focusing its business using what is already good for the embedded world (all operating systems of the Windows Embedded family to which I would add the .NET Micro Framework) and joining it to the powerful of the Cloud (Microsoft Azure is well known).
It's true what the new CEO Satya Nadella said with intention to want "a cloud for everyone , on every device" for which the #cloud4device can be understood in its most general main, not only smartphones and tablets but also devices and "things" that connect to the big network !
You can subscribe to a newsletter that will begin on July 1st, but ... maybe from that date ... we'll see ...
If using 126.96.36.199 version you realize that Connect and Disconnect events are not raised ... it is correct ... they are not handled in the client and you need to update the library or ignore them !
I released an update M2Mqtt library (version 188.8.131.52) that lays out this oversight.
Following the code merge between the M2Mqtt client library and the future GnatMQ broker I made the mistake of including the SUBSCRIBE, UNSUBSCRIBE, CONNECT and DISCONNECT messages handling also in the client (of course without any sense) with the corresponding events.
The update is available as always on Nuget and I proceeded to update the corresponding M2Mqtt4CE component for Windows Embedded Compact 2013.
Also this time an update arrives on time for my M2Mqtt library now reached to version 184.108.40.206 !
The main updates concerning better management of QoS Level 2 , some client properties exposed to the outside but especially the fact that it assessed and added some requests that I received by users that obviously thank you !
Also, in some parts of the source code you will see a compilation directive that is conditional on the definition of the symbol BROKER ... why ? I standardized the library code of M2Mqtt with the code of a MQTT broker that I am developing and which will shortly be released in beta version. Its name is GnatMQ and the project is already published online on CodePlex and then open source. Please note that currently it is still a version in development and not completely stable but the release is imminent !
In addition to updating the project on CodePlex , I updated its package on Nuget ( which has now passed 1000 downloads ! ), the code in the Microsoft Gallery and the project M2Mqtt4CE to in ...
We are to the last post of this tutorial that guides us through the creation of a proprietary component (using the M2Mqtt library as an example) for Platform Builder and its inclusion in the Windows Embedded Compact 2013. In this final post we will see how you can use this component in a sample managed application using also debugging.
SDK and Application Builder
When we build Windows Embedded Compact 2013 image that we have to provide to the software development team that will implement the high-level application for the target device, we must necessarily also make available its SDK. It contains all the header files and static libraries that developers can use to build applications in native code, avoiding the use of the APIs that we have not included in our image. Typically we would not need the SDK with managed applications based on .Net Compact Framework but unfortunately without any SDK installed, Visual Studio 2012 does not make available any templates for applications based on Windows Embedde ...
In the previous post, using the tool CEComponentWiz, we have created a custom component that is visible in the Platform Builder catalog items.
We used the assembly of M2Mqtt library compiled for .NET Compact Framework 3.9 and created the corresponding component that I made publicly available on CodePlex under the name M2Mqtt4CE !
M2Mqtt4CE : component description
This component can be useful to any OEM that should produce Windows Embedded Compact 2013 operating system image that has a client for MQTT onboard and developed with .Net Compact Framework 3.9. Assuming to be OEM, we can download the M2Mqtt4CE package from CodePlex and extract the contents to the \WINCE800\3rdParty folder (as described in the ReadMe.txt file attached).
The main files of the component are the following :
M2Mqtt.dll (located in the Resources folder) is the signed assembly of M2Mqtt library that is included in the image and registered in the GAC;
M2Mqtt.bib is the BIB file that determines th ...
My M2Mqtt open source library has finally come to version 3.0 with two important news !
In the first place, the operations of publish, subscribe and unsubscribe have become completely asynchronous. Until the previous version , the corresponding methods were synchronous even if the library raised related events on published message and subscription / unsubscription occurred. In particular , in the Publish() method the exchange of messages with the broker was run to ensure the required QoS ( PUBACK for QoS 1 , PUBREC , PUBREL and PUBCOMP for QoS2 ) while in the Subscribe() and Unsubscribe() methods handled the acknowledge ( SUBACK and UNSUBACK ). Now , these methods not bother to put a message in a queue and immediately return the message id itself , which is why there is a "breaking change" on the Subscribe() method that does not return the array with the "granted" QoS level. This array is still provided at the end of the asynchronous operation in the event args object of the corresponding event.
I tal ...
On Saturday 15th of February was staged the second edition of Microsoft Embedded Conference which was held at the Holiday Inn in Naples and organized by the DotNetCampania community (I am a member of it), TinyCLR.it and Embedded101, this community that is a reference on Windows Embedded of which, I’m a "board of directors" member since November 2013.
Also this year there was a good turnout of attendees even though it was Saturday, because the main topic was the Internet of Things and M2M Communication of which we hear persistently in the last period as the business of the future for the big network.
At 8:00, the team was ready for the preparations and organization in order to accommodate very well the attendees and ensure that the event will start on time. As with all events, we started with the keynote of our president Michele Aponte, who presented the community and to whom I have given ...
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