Mechanical or Electrical with software applications?

A search engine(s) can provive a way to explore/find specific diy project(s) of interest.

A few diy project sites [0][1][2][3] and/or ready made kits[3] starter examples.

[0] : https://www.openhardware.io/explore / https://hackaday.com/

[1] : https://www.hackster.io/

[2] : https://www.instructables.com/projects

[3] : https://shop.evilmadscientist.com/directory https://www.thingiverse.com/tag:diy_projects https://makezine.com/

https://www.colorado.edu/faculty/bogatin/projects-students/w...