envirover/SPLRadioRoom

Wiring for Arduino Mega

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SPLRadioRoom uses two SoftwareSerial interfaces:

  • The interface on pins 2 and 3 is used for communication with ArduPilot.
  • The interface on pins 8 and 9 is used for communication with RockBLOCK.

SoftwareSerial requires RX pin to support change interrupts. In Arduino 101 all the pins support change interrupts, while in Arduino Mega only pins 10, 11, 12, 13, 14, 15, 50, 51, 52, 53 support it (See https://www.arduino.cc/en/Reference/SoftwareSerial). So the wiring described in README.md of SPLRadioRoom will not work with Mega!