Raspberry pi
Gemini and e-paper are a great combination

Browsing gemini content on a Kindle is a pleasant, distraction-free experience
Raspberry Pi Star Trek LCARS Interface

Star Trek LCARS interface implemented on a Raspberry Pi with touch screen, using Python and pygame
PiScope

PiScope is a House4Hack project, presented at ScopeX 2015, to do basic astrophotography using a RaspberryPi, Arduino, 3d-printed parts, and a telescope.
Beat load-shedding with solar tech

My simple solar setup has been featured in articles on Fin24 and HTXT.