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Collecting data from a private LoRaWAN sensor network into Elastic

Collecting data from a private LoRaWAN sensor network into Elastic

Introduction to LoRaWAN and ELK Why LoRaWAN, and what makes it different from other types of low power consumption, high range wireless protocols like ZigBee, Z-Wave, etc … ? LoRa is a wireless modulation for long-range, low-power, low-data-rate applications developed by Semtech. The main features of this technology are the big amount of devices that […]

Spring-AMQP and payload validation: some notes from the trenches

It’s been a while since I’ve written one of our from-the-trenches blogs: that’s mostly because I’ve been very busy in those trenches developing systems for our customers. This week I completed a Spring Boot-based microservice which is responsible for interacting with some 3rd party SOAP service: its own clients communicate with it by sending request […]

GO AND BREAK RECORDS!

GO AND BREAK RECORDS!

8 days, 7 hours, 39 minutes and 30 seconds! In crossing the Atlantic, I learned a few things that I would like to share with you. First of all, I can tell you that the ocean is really big, with plenty of space for everyone. If you believe that the world is overpopulated and you […]

Controlling Java with the Leap Motion

Controlling Java with the Leap Motion

Leap Motion Controller The Leap Motion Controller is a device that uses two cameras to track the hands and fingers. This makes it possible to use gestures for controlling the computer or applications. It is possible to buy or download applications through the Leap Motion app store, but there is also an SDK for different […]

City-wide crowd management in Amsterdam

City-wide crowd management in Amsterdam

As most residents and visitors of Amsterdam know, every year more people are visiting Amsterdam, city wide events like GayPride, Koningsdag and MuseumNacht are getting bigger and more frequent, putting more strain on the city’s infrastructure and all people living in the city center. That’s why this November 7th, Amsterdam Marketing organized the Museumn8 hackathon […]