need to connect the Bluetooth module with the microcontroller for the security door alarm.I have no idea of connection Bluetooth module with the microcontroller pins.This project is to message the user of the Bluetooth activated mobile phone about an unauthorized entrance and to sound an alarm.neeed helppp....the circuit is connected to the door knob...emergency,,,,,, if there is a circuit diagrams and why they are connected to the ports and pins in the microcontroller that will be a big help...