how to make a programable Proj without using PC,mobile or through USB,wireless.

As a beginner
How can I make a programable arduino without connecting to PC, mobile phone.
I mean. Only control by arrows switch with configurable program inside.

like when we entering setting mode on printer.

i am looking for make auto-plant system that can enter setting and changing inside program as quick and convenience.

i want to make it can change and choosing what option to use like moisture,luminescence,heat,even lifetime cycle.

thanks you a lot.

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