Interrompere ciclo for

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salve,
avrei la necessità di dover interrompere un ciclo alla pressione di un tasto.
mi spiego meglio:
sto realizzando un programmino per uno schermo touch e arduino mega, quindi stiamo parlando di tasti "virtuali" e non fisici.
alla pressione di un tasto parte un ciclo che mi visualizza una serie di dati sullo schermo, però avrei la necessità di poterlo interrompere anche prima della sua naturale conclusione premendo un'altro tasto (sempre del touch).
non saprei come fare.

ciao

break

ciao
pippo72


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