AT Commands used by HC-05 & HC-06 and most of other Bluetooth Devices COMMAND FUNCTION 1 AT Test UART Connection 2 AT+RESET Reset Device 3 AT+VERSION Querry firmware version 4 AT+ORGL Restore settings to Factory Defaults 5 AT+ADDR Query Device Bluetooth Address 6 AT+NAME Query/Set Device Name 7 AT+RNAME Query Remote Bluetooth Device’s Name 8 AT+ROLE Query/Set Device Role 9 AT+CLASS Query/Set Class of Device CoD 10 AT+IAC Query/Set Inquire Access Code 11 AT+INQM Query/Set Inquire Access Mode 12 AT+PSWD Query/Set Pairing Passkey 13 AT+UART Query/Set UART parameter 14 AT+CMODE Query/Set Connection Mode 15 AT+BIND Query/Set Binding Bluetooth Address 16 AT+POLAR Query/Set LED Output Polarity 17 AT+PIO Set/Reset a User I/O pin 18 AT+MPIO Set/Reset multiple User I/O pin 19 AT+MPIO? Query User I/O pin 20 AT+IPSCAN Query/Set Scanning Parameters 21 AT+SNIFF Query/Set SNIFF Energy Savings Parameters 22 AT+SENM Query/Set Security & Encryption Modes 23 AT+RMSAD Delete Authenticated Device from List 24 AT+FSAD Find Device from Authenticated Device List 25 AT+ADCN Query Total Number of Device from Authenticated Device List 26 AT+MRAD Query Most Recently Used Authenticated Device 27 AT+STATE Query Current Status of the Device 28 AT+INIT Initialize SPP Profile 29 AT+INQ Query Nearby Discoverable Devices 30 AT+INQC Cancel Search for Discoverable Devices 31 AT+PAIR Device Pairing 32 AT+LINK Connect to a Remote Device 33 AT+DISC Disconnect from a Remote Device 34 AT+ENSNIFF Enter Energy Saving mode 35 AT+EXSNIFF Exit Energy Saving mode
