hypernephelist n. [from Greek nepho-, cloud] someone who goes above the clouds.

Deploying a private Ethereum blockchain on Azure and a Raspberry Pi

As part of exploring the blockchain technology, and specifically the Ethereum ecosystem, I have settled on an IoT-related use case around solar energy grids. You can read more background in the first article in this series.

Exploring the Blockchain with IoT

The blockchain has become a hot topic lately, with customers and partners in all sectors scrambling to experiment how the technology could impact their business. I wanted to get my hands dirty with a little prototype that I could demo, and decided to combine new hype with the old with a use case that marries the blockchain with the Internet of Things.

Azure IoT Hub and MQTT tips & tricks

Azure IoT Hub has had MQTT support for a little while now, as documented in this article: IoT Hub MQTT support. However it might sometimes be tricky to figure out how to use this information with currently available MQTT libraries. Here are a couple tips & tricks and code samples to get you started.

A simple PHP library to communicate with Azure IoT Hub

A little while ago I published a post (in French) about interfacing with the Jeedom home automation server. But I wanted to be able to plug a bit deeper into the software, so I could collect all device events and send them to IoT Hub, without having to use any external tricks. Jeedom being written in PHP, that means I would need a PHP library that I can use to send telemetry data.

Interfacer la solution domotique Jeedom avec Azure IoT

Dans cet article je vais vous détailler plusieurs façons de relier votre installation Jeedom à Azure IoT Hub pour y exploiter vos données de domotique. Jeedom est un logiciel Open Source d’origine française, qui vous permet de créer votre propre centre de contrôle domotique. Le logiciel peut s’installer sur un Raspberry Pi (ce que je vais utiliser), mais vous pouvez aussi acheter du matériel Jeedom plus performant si vous le souhaitez. Par l’intermédiaire d’un système de plugins disponible sur une place de marché, Jeedom peut s’interfacer avec de nombreux matériels et capteurs de type Z-Wave, RFXCom, EnOcean, etc.