Ender 3 Pro Raspbery Pi 4 LCD Display Cover with DB9 Port
thingiverse
Includes a DB9 (serial) port for adding a macro keyboard. See my matching Macro Keyboard at: https://www.thingiverse.com/thing:5039904 Serial Cable used: https://www.amazon.com/gp/product/B00QM8ZP5E/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B00QM8ZP5E&linkCode=as2&tag=mouco-20&linkId=a321e5c32ec67ff802e21eacf64c02b8 DB9 connection to Jumper Cables used: https://www.amazon.com/gp/product/B00QM8ZP5E/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B00QM8ZP5E&linkCode=as2&tag=mouco-20&linkId=a321e5c32ec67ff802e21eacf64c02b8 From there I used the enclosure plugin for octoprint to enable the macro keyboard.
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