My brand new Aqara Sensors were on the very edge of my Zigbee range, resulting in unwanted disconnects every few days. Fortunately Sweden’s largest contemporary designer has a cheap solution … though getting it to run with Home Assistant was a bit of a challenge. The temperature, humidity and pressure Read more…
Working from home has become the norm since the start of the COVID-19 pandemic for me, and it doesn’t look like this will change in the near future. As working from home goes hand in hand with online meetings it can come in handy to be able to notify members Read more…
Bluetooth Smart is an emerging short range wireless technology aimed for low power devices. Bluetooth 4.2 core specification provides various methods to secure the communication between devices and establish trusted connections. This paper describes the design considerations to secure the Bluetooth smart devices. 1. Introduction Bluetooth smart (also known as Read more…
As a QA an important part of your tasks consists of continuous improvement of your Test and delivery process. Being a key member of your organisation you will have to participate in different workshops, meetings and trainings in order to figure out the best balance you and your team can Read more…
This post will be all about trying to infer the species various observations originated from, without actually having access to the labels. This might sound like a far-fetched example, but it happens more often than you might expect in biology! When studying large animals you can usually find clear differences Read more…
This blog is built using Jekyll, which can be used to generate a static website based on a set of templates (for the layout) and markdown files (for the content). The main advantage is that GitHub pages can be leveraged to host those static pages for free. However, while there Read more…
Just a quick writeup on the difference between pairing and bonding, since these terms get used interchangeably. I think this has to do with the usage of ‘pairing’ in Bluetooth Classic, or BR/EDR. As far as Bluetooth LE is concerned, pairing and bonding are two very distinct things. The short Read more…
Genetic algorithms are fun, they require a different way of thinking. Here I’ll guide you through my process of building an algorithm that evolves 150 random triangles into a famous piece of art. The work I picked to re-draw: Van Gogh’s The Starry Night. The original and the version the Read more…
Imagine being able to create a fully functioning Python GUI application with just providing instructions. No need to spend hours writing and debugging code, you’d just let AI do the heavy lifting for you. In this post, we’ll explore the capabilities of ChatGPT in developing a Python GUI app and Read more…
Like the previous Code Nugget, this bit of code will add some often needed features to PCA plots done with Python. Here the loadings and variance explained will be added to the plot, this is something that is included by default in R biplot(), but in Python there is more Read more…