Command Description - Espressif Systems ESP32 Instruction Set

!
2.
Each command set contains four types of AT commands.
Type
Test Command
Query Command
Set Command
Execute Command
⚠ Notice:
Not all AT commands support all four variations mentioned above.
•
Square brackets [ ] designate the default value; it is either not required or may not appear.
•
String values need to be included in double quotation marks, for example:
•
AT+CWSAP="ESP756290","21030826",1,4.
The default baud rate of AT command is 115200.
•
AT commands are ended with a new-line (CR-LF), so the serial tool should be set into "New Line
•
Mode".
• Definitions of AT command error codes are in esp32-at/components/at/include/esp_at.h.
Espressif

Command Description

Command Format
AT+<x>=?
AT+<x>?
AT+<x>=<...>
AT+<x>
! /! 3 97
2. Command Description
Description
Queries the Set Commands' internal
parameters and their range of values.
Returns the current value of parameters.
Sets the value of user-defined parameters in
commands, and runs these commands.
Runs commands with no user-defined
parameters.
2019.06