MQTT broker with secure (TLS) and Docker Compose

Thank you for all the kind words about the MQTT…

Let’s take some baby steps, Continuous Integration (CI) using GitLab

A way to minimize errors and make your C code easier to read.

We’ve all been there, looking for a subtle bug in our code that is not trivial to find. The code at least compiles and run perfectly fine during most circumstances, alas someone elsewhere is reporting a corner-case we didn’t…

A way to minimize errors and make your C code easier to read — The less trivial parts

In the previous article, I went through some trivial, but not obvious, examples even if the examples related to the stack and the page size might have more in common with the following…

How to optimize your carbon dioxide (CO₂) levels for maximum productivity with ESP32

HiMinds Wireless Environmental Sensor Gen 2, Part 1: Requirements

Is it too cold and damp? Part 3: Implementation