HP-25 DIY with Z80

[eshazen]

Sorry for the long absence and not answering... challenging times.

Some people ask about keycaps. Search "Cherry MX relegendable" on e.g. Amazon.
Here is one seller, though they seem to be out of the 1x1 clear style right now.
The tops pop off and you just insert your own paper legend.

X-keys Keycap Cherry MX Compatible (Single, Purple, 10 Pack)
by P. I. Engineering
Learn more: https://www.amazon.com/dp/B00FZGETOM/ref...tFbEBMZQ6N