
YouTube:-
Materials:-
Arduino UNO
HC-05 Bluetooth Module
Breadboard
Jumpers
Circuit:-

AT Commands:-
AT : Check the connection. AT+NAME : See default name AT+ADDR : See default address AT+VERSION : See version AT+UART : See Baudrate AT+ROLE : See role of BT Module(1=master/0=slave) AT+PSWD : See default Password
AT+NAME= : Set Name AT+PSWD=" " : Set Password
AT+RESET : Reset and exit AT mode