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Arduino Boards Which is the best? Answered

arduino (uno <> duemilanove)  my focus will be on robotics projects as well as LED 


Arduino UNO is the best !!! =D

Of the two ? Duemilanove

Ya Duemilanove is better and cheaper on ebay...but if you want to control a lot of different things like independently control lets say 45 LEDs then the Arduino Mega is better...There are some alternative arduino solutions which have about 3-4 times the ports of an arduino duemilanove!

controlling 45 LED's at a time can be done by a UNO using multiplexing