i am not having any code .. i just want to know is there any program to store which button was pressed among three to four buttons last time..if electricity is gone even then my program should know which button was pressed earlier and execute that function or loop.

how can i store which button was pressed last time among many...

pranav2016 October 1, 2016, 9:59am 7

can i store button pin number and its state also....? if yes then HOW....?

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