Hello all. I need good idea. In my project i have 2 board (UNO named Slave1, Slave2 )interfacing to NMEA 0183 device (GPS reciver) and master (UNO named MASTER)board with SD CARD, LCD display and serial output to ROBOTEQ controller. I need to pass data from Slave1 or Slave2 to Master. I can extr…

Communication idea need.

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