Always interested to see a "device" type of project on here -- they tend to be the most challenging, even if the goal is simple. The intersection of object design, electronics and code is a great playground.
I really like the choice of screen, and generally the considerations given (and explained in the readme!) for purpose and usability.
Couple of notes on the object design (and this is something I find very challenging, and spend a lot of time iterating on)
- What if the knob was on top of the device, wide and flat? you could center the screen, make the device smaller, and the physical action of turning it would be less likely to push the box around
- Chamfers and fillets go a long way to make a thing look polished -- it's a small detail, but the difference between a sharp edge and a rounded one somehow seems to matter a lot.
- Since the menu always has three options, what if instead of the knob there were three buttons on the top surface (like the "snooze" of an alarm clock)? Fewer interactions to fiddle with!
- You can get translucent filament, and it makes for very cool "light conduit" parts -- eg, the LED box could be solid, and it would look like something from an 80s dashboard. Alternately, you could print a border for the screen, and light that up instead, making for a more minimalist design.
(Sorry, I can't help it, I like thinking about these things)
How did you design the knob, OpenSCAD? The knurling is a nice touch, and looks like it was done in a programmatic way.
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