If you are looking for things to build yourself, with code, PCB, and an .stl to print, you might find something here:

June 8, 2019

April 21, 2019

April 7, 2019

March 25, 2019

February 4, 2019

January 15, 2019

December 26, 2018

December 26, 2018

December 24, 2018

Undocumented projects

Furthermore, I have a list of older projects/repositories you can also look at. I will explain them in detail at a later point in time, so your mileage might vary. For now, you can check their Readme.md files for more info.