Send message
Send the message to the device which has created the client handle.
Request:
"|4|2|3|message|\r"
Parameters:
reason
message content
Returns:
"|4|2|3|1|\r"
send successfully
"|4|2|3|2|\r"
fail to send
Arduino Sample:
softSerial.print("|4|2|3|DFRobot|\r");