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Author Topic: can i connect two arduino UNO together  (Read 440 times)
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i need to send and receive data from UNO board to another one
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first thought would be soft serial, its available in the ide
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Yep.

With ordinary serial just connect RX from board A to TX on Board B, TX from Board A to RX on Board B and very important connect ground from board A to ground on board B.
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Yep.

With ordinary serial just connect RX from board A to TX on Board B, TX from Board A to RX on Board B and very important connect ground from board A to ground on board B.
Not need any code for interface
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You just use the ordinary serial commands in your Arduino code:

http://arduino.cc/en/Reference/Serial
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