Dragino LLDS40 - Page 35

Connection:
!USB TTL GND <----> GND
!USB TTL TXD! <----> UART_RXD
!USB TTL RXD! <----> UART_TXD
In the PC, you need to set the serial baud rate to
9600
to access the serial console for LLDS40.
LLDS40 will output system info once power on as below:
!