USR IOT USR-C321, User Manual

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USR-C321
Low Power Minisize WiFi Module User Manual
www.usr.so
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4.2
4.2 4.2
4.2 AT+
AT+ AT+
AT+ Commands
Commands Commands
Commands Configuration
Configuration Configuration
Configuration
AT+ Instruction refers to
，
in command mode user by module with UART and SPI command
set of instructions, behind will detail the use of AT + instruction format.
After the success of the electric start, can through the UART for setting module.
Module of the default UART port parameters for: 115200 baud rate, no check, 8 data bits,
one stop bit.
< explain
explain explain
explain >
The AT command debugging tools, UART interface is recommended to use SecureCRT
software tools or some professional applications. The following is introduced using UART
communication and SecureCRT tool demo.
From translate mode switch to the command mode to the following two steps:
�
On the UART input "+ + +", module after receiving "+ + +" will return a verification code
"a";
�
Input validation code "a" on the UART, module after receiving the confirmation, return to
the "+" OK "to confirm, enter the command mode;