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From the category archives: Paolo Patierno

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Mobile Camp 2015 : telemetry from Windows 10 IoT Core on Raspberry Pi 2 to Event Hubs


This year I was pleased to be speaker at Mobile Camp 2015 organized by Microsoft in Naples; this year the event was focused on Windows 10 and all the awesome news from Build 2015.

As Microsoft MVP on Windows Embedded & IoT, my session was on Raspberry Pi 2 with Windows 10 IoT Core as embedded system and its connection to the Azure Event Hubs.

The simple demo showed the Raspberry Pi 2 sent temperature data (from an I2C temperature sensor) to the Event Hubs using my Azure SB Lite library (based on AMQP protocol).

You can find all the material on SlideShare (slide) and GitHub (demo source code).

Internet of Things “wrap up” : events, slides, libraries and …. demo with a lot of code !!

Last month I developed a lot and I had the pleasure of being speaker to three national events and an international one in California (but from remote).I was greatly involved to write code and content that I decided to summarize hoping that you could enjoy them. With the slides I tried to describe the most important features of the Azure Service Bus focusing on the Event Hubs and its use within the telemetry pattern in IoT :Event Hubs : million events per second to the Cloud (MEC Internet of Things Conference 2015 in Naples)Event Hubs : million events per second to the Cloud (Global Azure Bootcamp, OC community California) of which it is also available the video here on YouTubeMicrosoft e l’IoT (M2M Forum in Milan, session with Roberto Andreoli and Erica Barone from Microsoft Italia)Azure Service Bus : under the hood (IoT Day in Venice)These slides have related demos where I used my last Azure SB Lite library, thanks to which you can access to the Microsoft Azure Service Bus using the same API of the "o ...

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Netduino boards : the new “third” generation now with integrated Wi-Fi

Now … I can write something !! Smile

 

About two weeks ago I received a great present from Secret Labs (thanks to Chris Walker) … the new Netduino 3 Wi-Fi board !

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Quail : a new .Net Micro Framework board is in town !

There is a new .Net Micro Framework board in town !

 

In the past few months, MikroElektronika release the Quail Board as a solution for building hardware prototypes using all the best features of .Net Micro Framework and the related “click” boards for a lot of type of external devices, like sensors (humidity, temperature, …), wifi module, OLED and so on.

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Full agenda : travelling for the Internet of Things !

It was and it will be a very busy time for me ... and if you want to hear me talk about the Internet of Things around Italy (and the "world"), you just need to read the agenda of upcoming events !

 

Tomorrow, on Saturday April 18th, there will be the third edition of the Microsoft Embedded Conference in Naples that has become the Internet of Things Conference organized as always by the DotNetCampania community thanks to the sponsorship of Microsoft Italy.

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Microsoft and the Internet of Things : from the "things" to the "cloud"

Few days ago Microsoft was included in the ranking of the 10 most innovative companies of 2015 as part of the Internet of Things and this result can not be absolutely considered a case. Most likely, the main reasons that have enabled Microsoft to achieve this great result are two : The announcement of an operating system like Windows 10 that is able to run on any kind of device, from embedded systems, smartphones, tablets, gaming consoles and finally to the PC; The wide Microsoft Azure cloud services offer through which you can "accommodate" and analyze in real time the huge amount of data from the "things"; The Microsoft offer for the Internet of Things covers everything from embedded device (the "T") to the Cloud (the "I") failing to provide a solution under one "hat".   What are the available technologies ? How can we really "bring" our "things" in the Cloud and make them an integral part of the Internet of "Your" Things as it was renamed by Microsoft ...

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MQTT & Eclipse Paho : new releases for M2Mqtt client and GnatMQ broker !!

Finally the new M2Mqtt 4.1 version is out !

 

In the last months, my library was under pressure thanks to my friends Olivier Vigliengo (from Adeneo) and Nicolas Besson (Microsoft MVP on Windows Embedded, from Adeneo). They used the MQTT client for their hobbistic projects and stressed it a lot !

After exchanging a lot of emails with log traces, I fixed some bugs and added some improvements to the library.

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A new home for the .Net Micro Framework … GitHub !!

The first "visible" step of the new .Net Micro Framework has been accomplished ... finally the official repository for the future versions is GitHub; viceversa all previous versions of the framework will remain onCodePlex as the forum. Each bug/issue reported on CodePlex will be evaluated and included as "work item" on GitHub.

 

Due to the "interpreter" nature of the runtime, the project was named ".Net Micro Framework Interpreter" but contains the interpreter, the BCL (Base Class Library) and the native code for porting.

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TimeService and .Net Micro Framework : the importance of date/time in the IoT

In the Internet of Things world and especially when we are going to protect the data transmitted by an embedded system from prying eyes through encryption algorithms (AES, DES, 3DES, RSA, ...) and with related network protocols (SSL, TLS , DTLS, ...), correct date/time on our board plays a fundamental role.

 

In fact, the encryption algorithms are strongly based on Pseudor-Random Number Generators (PRNG), which often needs to use the current date/time as a "seed" of the generation. Being pseudo-random generators and not real generators, it is important that for each system boot the "seed" is different otherwise the generated sequence is the same as the earlier boot and therefore predictable.

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M2Mqtt on a Raspberry Pi with Mono project

A new use case for M2Mqtt library !! The case studies section of the official web site has a new great example usage !

 

Jon Gallant from Microsoft (IoT maker team) wrote an interesting article about his “maker experience” with a demo on using MQTT on a Raspberry Pi. In this scenario, he doesn’t use native C/C++ library available for MQTT but he made the great choice to use C# language and M2Mqtt library on Mono project !

 

The article describers all the steps to setup the entire demo from hardware to Mono installation on the Raspberry Pi and example code execution.

 

Great to see another M2Mqtt use case but this time on a Linux environment !

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