I solved that with some guides for the button and after I got those tolerances dialed in, it was beautiful.
Now I'm adding more support for the LCD, tonforce it to always be aligned. I'm also tofhtening the tolerances on the base again in ordet to get the PCB to fit perfectly. We're down to adjusting by 0.125 mm on each side at this point. Hopefully the manufacturing tolerances don't vary more than that...
More pictures soon. I'm going to use some more electricity and plastic to iterate.
quotingNew revision is acceptable as-is for boards which can't run off of batteries.
nevent1q…674c
It needs a support under the PCB for battery operated units (and that will also help the USB-powered ones feel more stable too).
The only other change I want to make is the button tops be 1mm taller and the bottoms 0.25mm shorter to account for manufacturing tolerances. They work okay as is, but this will be better.
nevent1q…xfmn
