Jeroen: Congratulations on your progress and don't give up! One person has been working on a similar form factor device for gaming for over 6 years now: https://liliputing.com/2019/12/dragonbox-pyra-prototypes-begin-shipping-open-source-handheld-gaming-computer.html
Regards, rcs On Sun, Dec 29, 2019 at 9:13 PM Mitch Parker <[email protected]> wrote: > This looks great! I want one. > > On Sun, Dec 29, 2019 at 5:25 AM Jeroen Domburg <[email protected]> wrote: > >> >> More updates! In general, I'll try not to flood the list too much, but >> I'm too happy with this result not to share it. Long story short, my >> 3d-printer came in. It's not one of those hot plastic squirter types, >> but a thing that projects UV through a LCD to harden out resin that's on >> top of it. The big plus of those is that you can get a really good >> resolution, which kinda is needed for tiny projects like this. >> >> Well, I've been modelling in OpenSCAD for a while to create a case for >> the prototype I had, mostly to see if I can get the keys working and >> printed out correctly. The case still is intended for the prototype PCB >> so it has space for the ugly debugging buttons on the side, but >> otherwise I put most of the things in I also want in the final case, >> including e.g. embossed keycaps. >> >> So it took me a few tries to get everything working; the current case is >> the 5th attempt or so... two attempts to figure out there is some 'light >> leakage' in the printer that make the parts come out a hair thicker than >> I specify, and two attempts to figure out it's really a good idea to >> make sure the first layer adheres to the building plate... ah well, new >> toy, you're going to get that. >> >> Anyway, the final result ('final' mostly because my weekend is almost >> over): >> http://j0h.nl/qgIC/full >> >> I'm really happy with this. The keycaps embossing (well, it's actually >> debossing, the letters are lower than the surface of the key) didn't >> come out like this from the start, but I used a trick: paint over the >> keycaps with a Sharpie or so, and the ink will flow into the letter. >> Wipe the top clean, and the ink in the letter remains. >> >> Usability is hard to convey in an email, but that's unfortunately not a >> bit I'm happy with: some keys have a nice 'snap' when they make the >> metal domes under them fold, but other keys have no tacile feedback at >> all. Also, I made the keys concave, like I think the M100 does as well; >> that may not be suited well for buttons as small as this one. Food for >> thought... >> >> Cheers, >> Jeroen >> >> -- *Níl aon tinteán mar do thinteán féin. *[Irish Gaelic] (There is no fireside like your own fireside.)
