VCC – 3.3V
GND – GND
TXD – D12
RXD – D11
KEY – D13
LED –
GND – GND
TXD – D12
RXD – D11
KEY – D13
LED –
That’s it – Then you can connect to the bluetooth you desire. After you pair, the code is 1234 which may be changed by the AT commands.
http://geekinc.ca/using-screen-as-a-serial-terminal-on-mac-os-x/
http://www.instructables.com/id/Arduino-AND-Bluetooth-HC-05-Connecting-easily/?ALLSTEPS
