Hi I need to make a more than 70 years countdown in seconds, i could turn off and turn on without loosing count. ( then i'd like to link it with sensors ) The main question is : Can arduino uno handle this ? For now i have 10 seven segments common cathode displays / 2 Max7219 chips, and i roughly…

very long countdown art project

system January 2, 2013, 7:56pm 11

What would happen when it got to zero?

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