Last year, Johan Janssen started a Lego Internet of Things project. Using Scala, Akka and Raspberry Pi, he controlled a Lego train set. At Voxxed Days Athens, Johan will live demo his project and discuss how to use Akka HTTP and actors. We asked him about the technology.   What is Akka HTTP and what is […]

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13 Mar

Comparison of Open Source Process Engines for Edge Integration In February 2017, I attended the JFokus conference for the first time. This is the biggest developer event in Sweden. While the ‘J’ in the title shows that there is a lot of focus on the Java platform, the Internet of Things (IoT) was another hot […]

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“What will happen when we will learn how to combine AI, IoT and general tools?” On 2nd March, Karina Popova will answer this question at Voxxed Days Bristol. We asked her where we are with IoT and AI, and what trends we can expect in 2017.   Are we at the stage where we can […]

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A year or so ago, my energy meter at home got replaced with a “smart” one. Smart, in this context, means it periodically sends energy usage data over GPRS to a central registration server. This central service is in turn used by various websites where you can register your meter and they’ll provide you with […]

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Getting Started with Serverless FaaS and AWS Lambda shows how to use a simple Java function to store a JSON document to Couchbase using AWS Lambda. This blog builds upon that and shows how an AWS IoT Button can be used as a trigger for that Lambda function. By end of this blog, you’ll learn: How to configure the AWS […]

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While 2016 may be remembered for its unexpected political outcomes, the technology news has also seen its fair share of publicity. A year that will be remembered for the forced ‘upgrade’ to Windows 10, the short-lived phenomenon that was Pokémon Go! and Apple removing the headphone jack from the iPhone, opting to sell no less […]

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REST no more, use an actor (and Lego and Raspberry Pi’s…) Last year we started a new Internet of Things project: The Internet of (Lego) Trains. In our normal jobs we use languages like Java and Scala to build applications for large organizations running on big servers. We wanted to find out if we could […]

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Serverless architecture is rising in popularity, in a happy union that joins business needs and pay-as-you-go services with a break from excess configuration on the technical side. Last week we revisited AWS Lambda. This week we look at IBM Bluemix OpenWhisk. OpenWhisk is open source OpenWhisk is an event-driven open source platform for developers. The code can be […]

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Imagine this scenario: you wake up one morning and brew yourself a fresh, pod-based coffee. While basking in the decadence of your velvety beverage you glance back into the cupboard. A harsh reality dawns: you are running low on pods. This is no ordinary coffee. You cannot simply leave the house to restock the cupboards with […]

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There were two interesting pieces of news last week related to the use of Java in embedded devices to help power the so-called “Internet of Things” (IoT). Eclipse Foundation survey The first is the results of a survey carried out by the Eclipse Foundation, (there’s also a slide deck) asking IoT developers about what they’re doing […]

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