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The Bluetooth module is found on the MacBook Pro as HC-06 in the list of available Bluetooth devices. A connection can be established with Code '1234'.
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In Terminal a list of all open serial ports can be shown via ' ls /dev/tty.* '. ' /dev/tty.HC-06-DevB ' should be shown in the list. A serial console to the module can be established via ' screen /dev/tty.HC-06-DevB '. Update: To close kill a running screen, press ctrl-a, afterwards crtl-\ (Yes: on German keyboard: ctrl-alt-shift-7), afterwards y. |
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A much easier way of connecting via Bluetooth is to use the Arduino Serial Monitor (Tools -> Serial Monitor).
It is now clear, how the module is handled by the MacBook Pro. Once paired, the HC-06 is always shown in the list of Bluetooth devices as 'Not connected', unless an explicit connection is established. Establish a connection with a screen or the Serial Monitor. Once the connection is closed, HC-06 will be shown as 'Not connected' again. It is important to notice that the previous screen method has to be killed explicitly, not only closed, since there can only be one serial connection at once.