Apart from spending long hours learning from internet resources such as Youtube videos, I have done several courses, being the most recent and relevant ones the following:

2019Ethics in HCI Fieldwork: A policy and practice-based workshop on avoiding and mitigating ethical traps in technocentric fieldwork
8-hours workshop, by Cosmin Munteanu, University of Toronto Mississauga
2019Programming and robotics for education
30-hours course, by Bitbob.cat at Citilab Cornellà
Final course project awarded with the 3rd Prize “Smart Catalonia”, see the news here.
2017Introduction to Computer Science and Programming Using Python
80-hours online course, by Massachusetts Institute of Technology (at edX)