DIY, hacks, experiments, machine learning, IoT and more

Some years ago, David, an elementary School teacher wrote me asking if I can help them designing a 2×2 Rubik’s cube for children. They want a mathematical project for kids based on Rubik cube. Fastly I answered with some links to learn to build 2×2 and 3×3 Rubik’s cube with dices and magnets. The are…

I am not an expert in Arduino, although I have not used the plate for a long time. And the times I have done it has been as a tool, copying and pasting code already created but without much interest to really learn how it works but simply with the intention of making it work…

We are going to see how to digitize books at home with a camera. It is faster and easy. You only need a digital camera or a smartphone. Digitizing a book is formed by two parts. The first one consists of get images of the text book and in the second part you have to…