Arduino memory shortage

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hello everyone

i'm not sure whether possible or not here goes. let i've got program 29 kb , arduino uno's memory full after want upload additional features can't since program memory full.

is possible interface uno flash memory chip store program , let uno read program other flash memory chip on start-up?

will overly complex well? reason asking i'm busy shield uno , make compatible , not mega (mega's memory solve problem). if going overly complex have remove features reduce program size. in advance

as far know not possible. it's easier adapt shield mega compatible.


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