DIY projects
Build your Raspberry Pi cluster and unlock distributed computing
Our colleagues at Raspberry bring us a great tutorial about setting up your own SBC ARM cluster: We are going to remember the steps used to unify a cluster of Raspberry cards from the original post, but it has helped us to develop our own…
Unlocking the 7722AZ CO2 Sensor. A data extraction guide
Because of the needs of one of our projects, we have to extract data from a CO2 sensor. We got this one, 7722 from AZ Instrument : This device is a simple CO2 sensor. It gives you a measure result each second. It measures too the…
Step-by-step Mosquitto MQTT broker installation & SSL configuration
In this article, we’ll explore what an MQTT broker is, its purpose, and how it works. In this previous article, we introduced and discussed the MQTT protocol itself—what it is and what it’s used for. Now, we’ll take a further step by…