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LSE01 LoRaWAN Soil Moisture & EC Sensor User Manual    23 / 30 
 
3.  Using the AT Commands 
3.1  Access AT Commands 
LSE01 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to 
connect to LSE01 for using AT command, as below.  
 
 
Or if you have below board, use below connection:  
 
 
 
 
In the PC, you need to set the serial baud rate to 9600 to access the serial console for LSE01. 
LSE01 will output system info once power on as below: