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

Deploying my first Ethereum Smart Contract

Now that we have a private blockchain infrastructure, let’s write our first Smart Contract! First, a few words about what I would like to achieve based on the scenario I described before…

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.