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Ive been thinking about my next project.   Now I have the arduino wave shield basics I would like to get a bit more creative.   I want to make a rocket launched themed timer that will count down from a given time.   To start I think I will make it 10 minutes but once I get a bit more experience I would like to link it to a smart phone or remote so any number of minutes can be requested.   As the timer counts down the visual counting down ill be seen on Seven segments ...