The latest development version of this page may be more current than this released 2.3-beta.2 version.

System AT Command Set

  • AT: Test AT startup

  • AT+RST: Reset the module

  • AT+RESTORE: Restore factory default settings of the module.

  • AT+SYSSTORE: Set parameter storage mode

AT: System AT Commands

Set Command

Command:

AT

Response:

OK

Explanation

  • This is a test AT startup command, used to check if the device responds correctly. When this command is sent, the device should return OK, indicating the device is functioning properly.

Example

AT

AT+RST: Reset the Module

Set Command

Command:

AT+RST

Response:

OK

Explanation

  • This command is used to reset the device. After sending the AT+RST command, the device will reboot.

Example

AT+RST

AT+RESTORE: Restore Factory Default Settings

Execute Command

Command:

AT+RESTORE

Response:

OK

Explanation

  • The execution of this command will restore all parameters saved in flash to factory default settings of the module.

  • The device will be restarted when this command is executed.

AT+SYSSTORE: Query/Set Parameter Store Mode

Query Command

Command:

AT+SYSSTORE?

Response:

+SYSSTORE:<store_mode>
OK

Set Command

Response:

AT+SYSSTORE=<store_mode>

Response:

OK

Parameter

  • <store_mode>:Parameter storage mode

    • 0:command configuration is not stored into flash.

    • 1:command configuration is stored into flash. (Default)

Explanation

Example

AT+SYSSTORE=0
AT+CWMODE=1  // Not stored into flash
AT+CWJAP="test","1234567890" // Not stored into flash

AT+SYSSTORE=1
AT+CWMODE=3  // Stored into flash
AT+CWJAP="test","1234567890" // Stored into flash