For more than a year, there have been some articles published on this site that make use of the fantastic OpenCV 3 library. The new OpenCV 4 version has just been released and as usual we will publish the compilation and installation procedure on Linux Ubuntu 18 systems.
the purpose of this article is to introduce the NLTK library, a Python library that allows Language Processing and analysis of texts in general. We will see how to install it on our computer and we will make the first approaches to better understand how it works and how it can be useful.
Going back to the old boards that I found in a box, I found this Geiger counter perfectly functional to be interfaced as a shield to Arduino. In this article we will see its features together, and at the same time better understanding what a Geiger counter, or radiation sensor, is and how it works.
For those who program in Python, they will be able to see the following construct within many codes, especially in the final part if __name__ == “__main__”: followed by a series of instructions enclosed in the indentation. What is it for? Why is it so common?