| Command | Response | Description | |---------|----------|-------------| | AT | OK | Test communication | | AT+BAUDx | OK | Set baud rate (x=1–9) | | AT+NAME=<name> | OK | Set device name | | AT+PIN=<code> | OK | Set pairing PIN | | AT+ROLE=M/S | OK | Master or Slave | | AT+RESET | OK | Soft reset | | AT+ADDR? | <MAC> | Get MAC address |
CSR chips are legacy. The best driver is often the stack, but for basic functionality, Microsoft's driver is best. Advanced users can find csr8510-a10 driver on GitHub repositories. jq-bt bluetooth driver
JQ-BT Stereo Driver for Dell - Inspiron 5520 - DriverIdentifier but for basic functionality