https://www.tinkercad.com/things/8YYy0sQM6cC
Multiple led https://www.tinkercad.com/things/ihxNGBzfmHo
References:
[1] Beginning C for Arduino http://it-ebooks.info/book/1581/
[2] Alternative IDE fritzing http://fritzing.org
Software Developer, Programming, Web resources and entertaiment. Desarrollo de software, programación, recursos web y entretenimiento.
Solving multiple python installation: sudo update-alternatives --install /usr/ bin /python3 python3 /usr/ bin /python3 .5 1 sudo update...