CastorisCausa

Personal blog and hacks by Raymundo Cassani

Few years ago I found this typewriter in a flea market, without double thinking I got it, as it would be nice to have a working old typewriter. According to the seller, the typewriter was functional and a quick cleaning should be enough to use it, thus, I put it …

Without any question, Jupyter Notebooks are an amazing medium to present and share code, equations, graphics, among others. There are multiple ways to share them: as only view in GitHub or with nbviewer; to fully interactive in Binder, where an the Notebook runs in an live environment. In this post …

This post is to show the type of images that can be obtained with an affordable USB microscope, similar to this one. The output image is 640 x 480 pixels, and the optical zoom is supposed to go from 50x to 500x. As the microscope has not adjustment for focus …

Situation: When my laptop is in suspension with the lid open, any update (movement or clicks) with the wireless mouse wakes-up the laptop. This post is about creating a systemd unit, and hook it to the start of the sleep unit, and disable the mouse as wake-up device. This approach …

PhD Thesis Summary

In November 2018, I performed my PhD defense, this is a summary of it. The title is "Towards an Automated Portable EEG-based System for Alzheimer’s Disease Diagnosis", and it can be found in its integrity here. The defense slides are available here Contents: Challenges for EEG-based Alzheimer’s disease …

Nowadays we have to handle an enormous quantity of passwords. As it is not desirable to reuse passwords, nor to write down, it is necessary to have a way manage them. After research and thinking in advantages and drawbacks among the different methods, I came to the solution of using KeePassXC alongside with Dropbox.