At+Restore; At+Uart; E No Check Even Even Check Odd Odd Check; At+Uartclr - Ebyte E840-DTU User Manual

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transmission

AT+RESTORE

Function: Restore factory settings.
Format: Set
Send: AT+RESTORE<CR><LF>
Return: <CR><LF>+OK<CR><LF>
Para: None
Note: None

AT+UART

Function: Set/Query UART parameters.
Format: Query
Send: AT+UART<CR>
Return: <CR><LF>+OK=<baudrate>,< parity ><CR><LF>
Set
Send: AT+UART=<baudrate>,< parity ><CR><LF>
Return: <CR><LF>+OK<CR><LF>
Para: baudrate, can be configured to: 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600.
Parity Parity bit NON

E No Check EVEN Even check ODD Odd check

Note: None

AT+UARTCLR

Function:
Set/Query whether to clear the serial port cache before connecting.
Format: Query
Send: AT+ UARTCLR <CR>
Return: <CR><LF>+OK=< sta ><CR><LF>
Set
Send: AT+ UARTCLR =< sta ><CR>
Return: <CR><LF>+OK<CR><LF>
Para: sta status
ON Clear the serial port cache before connecting
OFF Don't clear the serial port cache before connecting

AT+MAC

Function: Query device MAC.
Format: Query
Send: AT+MAC<CR>
Return: <CR><LF>+OK=<mac><CR><LF>
Para: mac Device MAC address

AT+IMEI

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E840-DTU(NB-03) User Manual
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