Surfacing this for those of you who might be interested but weren't following a different thread -
You can buy BlackBerry Q10 keyboard assemblies for US$3.50 or less each (+ shipping from HK): https://www.etradesupply.com/blackberry-q10-keypad-and-keyboard-assembly.html
Repo of all the details necessary to integrate said keyboard assembly into your own projects: https://github.com/arturo182/BBQ10KBD
A bunch of technomancers in the fediverse. Keep it fairly clean please. This arcology is for all who wash up upon it's digital shore.