hello,
HC05 has SSP protocole = behavior is like UART interface MAX232 .. except without wires.
Check level TX and RX 3,3V or 5V of your module ?
UART Speed .. 9600 bds by default (factory setting)
or send an AT sequence to change baud rate
PIC UART TX -> RX HC05
0V ---------------0V HC05
0V HC05 Power supply
Power supply HC05 +3.6 or 5V DC ?
in front you must have an android application
To discover and Assocate your HC05 module
Factory setting for PIN code is 1234
and receive or send dats like BlueTooth Terminal. or other Android Phone application
**broken link removed** ..