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Reply To: Serial1 of MayFly could not communicate

Home Forums Other Data Loggers Serial1 of MayFly could not communicate Reply To: Serial1 of MayFly could not communicate

#17422
Shannon Hicks
Moderator

It should work fine, assuming you’ve wired the device to the Mayfly properly (did you connect the Ground of the Mayfly to the Ground of the modem?)  What is the operating voltage and communication voltage of the modem?  The mega2560 is a 5V board, while the Mayfly is a 3.3v board.