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Topic: can i connect two arduino UNO together (Read 522 times) previous topic - next topic

MostafaHamdy

i need to send and receive data from UNO board to another one

Osgeld

first thought would be soft serial, its available in the ide
http://arduino.cc/forum/index.php?action=unread;boards=2,3,4,5,67,6,7,8,9,10,11,66,12,13,15,14,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,86,87,89,1;ALL

MikMo

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.

MostafaHamdy


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

MikMo

You just use the ordinary serial commands in your Arduino code:

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

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