My thinking is that clocks are an article of furniture. I think it would look best with a custom case that resembles an old terminal. The overall package is going to be part of the appeal.
I do plan on open sourcing on release so anyone can have at it from a different direction.
Edit: I'd love to make a unit with a genuine CRT instead of merely CRT effects...
You could look into old video-doorbell units, which had I think 4" crts.
Looks great anyway.
would be a great way to use those old smartphones everyone has in their drawers... less e-waste!
(i'm making an app that turns your old phone into a mini entertainment center ;) )
There are technical reasons not to do this too. I'd like to add in a thermometer so it can have an indoor temperature display.
I have a cheap non-smart clock on my desk here that has an indoor and outdoor sensor, and it would suck if the much fancier clock I am making can't have that feature. I'm sure you can think of other sensors that would be interesting to have on such a unit.
A barometric sensor would be neat (with a corresponding indicator for rising/falling), but probably less useful for most people.
The other popular air quality sensors (CO2, CO, VOC, PM2.5, etc.) are a little harder to QC, but the airgradient.com folks seem to have sourcing sussed out for at least some of those.
The screen needs to be OLED or high quality backlit LCD. This display looks like it would be much too bright at night, even when turned down to the lowest brightness possible.
It also need to let you change the color of the interface, so that I could have a red that doesn't destroy my night vision, instead of green that would.
About changing the colour and otherwise customising themes. Yes.