Datagraphy

Datagraphy


Musing on technology and a few other topics

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Jean-Jacques Bernard
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Jean-Jacques Bernard

IoT experiment with MQTT

In this post, I will describe a small experiment I conducted to collect environmental data from a device and post it to a REST API on a remote server. The purpose of this experiment is to understand more concretely how to work with IoT devices and collect their information to create web applications…

Jean-Jacques Bernard

Confinement Diary - Day 14

Another day of confinement and we are now reaching 2 weeks with more to come! Last week has been a tough one for Europe with Italy and Spain death toll reaching new highs. While the rest of Europe seems to fare better, this is far from over and we have to be ready for more sad news. In addition to…

Jean-Jacques Bernard

Confinement diary - Day 6

Spring is definitely here as the weather in the Paris area attests. But so is Covid-19 as the empty streets can also attest.   When I brought my dogs for a short walk this morning around 6:45am, there was close to no one in the streets and no cars too. While this might sound normal given that this…

Jean-Jacques Bernard

Confinement Diary - Day 5

Time for a restart, a reset, a reboot… This blog has been dormant for far too long now. So while I could have scrapped it completely, I have decided to resume posting.   As the title suggest, I am confined at home like most French citizens not working in healthcare or other essential activities. Th…

Jean-Jacques Bernard