AT_Description

sora061 edited this page Mar 20, 2018 · 7 revisions

Each instruction maybe contains four types of AT commands.

Type Instruction Format Description
Test AT+CMD=? Query the Set command or internal parameters and its range values.
Query AT+CMD? Returns the current value of the parameter.
Set AT+CMD=Parameter Set the value of user-defined parameters in commands and run.
Execute AT+CMD Runs commands with no user-defined parameters.

Note:

  • Not all AT instruction has four commands.
  • [] = default value, not required or may not appear.
  • String values require double quotation marks, for example: AT+CWSAP=“ESP756190”,”21030826”,1,4.
  • Baud rate = 115200
  • AT instruction ends with “\r\n”
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