I do not have the XBee shields but I am using the USB adapter board so I have XCTU working between the XBee's
You don't have the USB adapter board connected to the Mega. So, how IS the XBee connected to the Arduino?
I do not have the XBee shields but I am using the USB adapter board so I have XCTU working between the XBee's
You don't have the USB adapter board connected to the Mega. So, how IS the XBee connected to the Arduino?