LSE01-LoRaWAN Soil Moisture & EC Sensor User Manual

The Dragino LSE01 is a **LoRaWAN Soil Moisture & EC Sensor** for IoT of Agriculture. It is designed to measure the soil moisture of saline-alkali soil and loamy soil. The soil sensor uses FDR method to calculate the soil moisture with the compensation from soil temperature and conductivity. It also has been calibrated in factory for Mineral soil type.

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It detects **Soil Moisture**, **Soil Temperature** and **Soil Conductivity**, and uploads the value via wireless to LoRaWAN IoT Server.

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The LoRa wireless technology used in LES01 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.

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LES01 is powered by **4000mA or 8500mAh Li-SOCI2 battery**, It is designed for long term use up to 10 years.

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Each LES01 is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]]

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]

*

*1. Features

* LoRaWAN 1.0.3 Class A

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* Ultra low power consumption

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* Monitor Soil Moisture

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* Monitor Soil Temperature

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* Monitor Soil Conductivity

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* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865

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* AT Commands to change parameters

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* Uplink on periodically

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* Downlink to change configure

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* IP66 Waterproof Enclosure

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* 4000mAh or 8500mAh Battery for long term use

1.

11. Specification

Measure Volume: Base on the centra pin of the probe, a cylinder with 7cm diameter and 10cm height.

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|**Parameter**|**Soil Moisture**|**Soil Conductivity**|**Soil Temperature**

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|**Range**|**0-100.00%**|(((

**0-20000uS/cm**

**(25℃)(0-20.0EC)**

)))|**-40.00℃～85.00℃**

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|**Unit**|**V/V %,**|**uS/cm,**|**℃**

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|**Resolution**|**0.01%**|**1 uS/cm**|**0.01℃**

|**Accuracy**|(((

**±3% (0-53%)**

**±5% (>53%)**

)))|**2%FS,**|(((

**-10℃～50℃:<0.3℃**

**All other: <0.6℃**

)))

|(((

**Measure**

**Method**

)))|**FDR , with temperature &EC compensate**|**Conductivity , with temperature compensate**|**RTD, and calibrate**

*

*1. Applications

* Smart Agriculture

1.

11. Firmware Change log

**LSE01 v1.0:**

* Release

1. Configure LSE01 to connect to LoRaWAN network

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11. How it works

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The LSE01 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LSE0150. It will automatically join the network via OTAA and start to send the sensor value

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In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>path:#_Using_the_AT]]to set the keys in the LSE01.

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11. Quick guide to connect to LoRaWAN server (OTAA)

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Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example.

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]

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The LG308 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.

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**Step 1**: Create a device in TTN with the OTAA keys from LSE01.

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Each LSE01 is shipped with a sticker with the default device EUI as below:

You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:

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**Add APP EUI in the application**

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]

**Add APP KEY and DEV EUI**

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]

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**Step 2**: Power on LSE01

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Put a Jumper on JP2 to power on the device. ( The Jumper must be in FLASH position).

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]

**Step 3:** The LSE01 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]

1.

11. Uplink Payload

111. MOD=0(Default Mode)

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LSE01 will uplink payload via LoRaWAN with below payload format:

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Uplink payload includes in total 11 bytes.

|(((

**Size**

**(bytes)**

)))|**2**|**2**|**2**|**2**|**2**|**1**

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|**Value**|[[BAT>>path:#bat]]|(((

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Temperature

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(Reserve, Ignore now)

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)))|[[Soil Moisture>>path:#soil_moisture]]|[[Soil Temperature>>path:#soil_tem]]|[[Soil Conductivity (EC)>>path:#EC]]|(((

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MOD & Digital Interrupt

(Optional)

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]

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11.

111. MOD=1(Original value)

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This mode can get the original AD value of moisture and original conductivity (with temperature drift compensation).

|(((

**Size**

**(bytes)**

)))|**2**|**2**|**2**|**2**|**2**|**1**

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|**Value**|[[BAT>>path:#bat]]|(((

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Temperature

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(Reserve, Ignore now)

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)))|[[Soil Moisture>>path:#soil_moisture]](raw)|[[Soil Temperature>>path:#soil_tem]]|[[Soil Conductivity (EC)>>path:#EC]](raw)|(((

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MOD & Digital Interrupt

(Optional)

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]

1.

11.

111. Battery Info

Check the battery voltage for LSE01.

Ex1: 0x0B45 = 2885mV

Ex2: 0x0B49 = 2889mV

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11.

111. Soil Moisture

Get the moisture content of the soil. The value range of the register is 0-10000(Decimal), divide this value by 100 to get the percentage of moisture in the soil.

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For example, if the data you get from the register is 0x05 0xDC, the moisture content in the soil is

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**05DC(H) = 1500(D) /100 = 15%.**

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11.

111. Soil Temperature

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Get the temperature in the soil. The value range of the register is -4000 - +800(Decimal), divide this value by 100 to get the temperature in the soil. For example, if the data you get from the register is 0x09 0xEC, the temperature content in the soil is

**Example**:

If payload is 0105H: ((0x0105 & 0x8000)>>15 === 0),temp = 0105(H)/100 = 2.61 °C

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If payload is FF7EH: ((FF7E & 0x8000)>>15 ===1),temp = (FF7E(H)-FFFF(H))/100 = -1.29 °C

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11.

111. Soil Conductivity (EC)

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Obtain soluble salt concentration in soil or soluble ion concentration in liquid fertilizer or planting medium,. The value range of the register is 0 - 20000(Decimal)( Can be greater than 20000).

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For example, if the data you get from the register is 0x00 0xC8, the soil conductivity is 00C8(H) = 200(D) = 200 uS/cm.

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Generally, the EC value of irrigation water is less than 800uS / cm.

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11.

111. MOD

Firmware version at least v2.1 supports changing mode.

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For example, bytes[10]=90

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mod=(bytes[10]>>7)&0x01=1.

Downlink Command:

If payload = 0x0A00, workmode=0

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If** **payload =** **0x0A01, workmode=1

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11.

111. Decode payload in The Things Network

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While using TTN network, you can add the payload format to decode the payload.

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]

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The payload decoder function for TTN is here:

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LSE01 TTN Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]

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11. Uplink Interval

The LSE01 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link:

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[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval]]

1.

11. Downlink Payload

By default, LSE50 prints the downlink payload to console port.

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|**Downlink Control Type**|**FPort**|**Type Code**|**Downlink payload size(bytes)**

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|TDC (Transmit Time Interval)|Any|01|4

|RESET|Any|04|2

|AT+CFM|Any|05|4

|INTMOD|Any|06|4

|MOD|Any|0A|2

**Examples**

**Set TDC**

If the payload=0100003C, it means set the END Node’s TDC to 0x00003C=60(S), while type code is 01.

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Payload: 01 00 00 1E TDC=30S

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Payload: 01 00 00 3C TDC=60S

**Reset**

If payload = 0x04FF, it will reset the LSE01

**CFM**

Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0

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1.

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11. Show Data in DataCake IoT Server

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[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:

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**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.

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**Step 2**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]

Step 3: Create an account or log in Datacake.

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Step 4: Search the LSE01 and add DevEUI.

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]

After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]

1.

11. Frequency Plans

The LSE01 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.

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11.

111. EU863-870 (EU868)

Uplink:

868.1 - SF7BW125 to SF12BW125

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868.3 - SF7BW125 to SF12BW125 and SF7BW250

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868.5 - SF7BW125 to SF12BW125

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867.1 - SF7BW125 to SF12BW125

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867.3 - SF7BW125 to SF12BW125

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867.5 - SF7BW125 to SF12BW125

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867.7 - SF7BW125 to SF12BW125

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867.9 - SF7BW125 to SF12BW125

868.8 - FSK

Downlink:

Uplink channels 1-9 (RX1)

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869.525 - SF9BW125 (RX2 downlink only)

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11.

111. US902-928(US915)

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Used in USA, Canada and South America. Default use CHE=2

Uplink:

903.9 - SF7BW125 to SF10BW125

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904.1 - SF7BW125 to SF10BW125

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904.3 - SF7BW125 to SF10BW125

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904.5 - SF7BW125 to SF10BW125

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904.7 - SF7BW125 to SF10BW125

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904.9 - SF7BW125 to SF10BW125

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905.1 - SF7BW125 to SF10BW125

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905.3 - SF7BW125 to SF10BW125

Downlink:

923.3 - SF7BW500 to SF12BW500

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923.9 - SF7BW500 to SF12BW500

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924.5 - SF7BW500 to SF12BW500

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925.1 - SF7BW500 to SF12BW500

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925.7 - SF7BW500 to SF12BW500

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926.3 - SF7BW500 to SF12BW500

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926.9 - SF7BW500 to SF12BW500

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927.5 - SF7BW500 to SF12BW500

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923.3 - SF12BW500(RX2 downlink only)

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11.

111. CN470-510 (CN470)

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Used in China, Default use CHE=1

Uplink:

486.3 - SF7BW125 to SF12BW125

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486.5 - SF7BW125 to SF12BW125

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486.7 - SF7BW125 to SF12BW125

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486.9 - SF7BW125 to SF12BW125

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487.1 - SF7BW125 to SF12BW125

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487.3 - SF7BW125 to SF12BW125

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487.5 - SF7BW125 to SF12BW125

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487.7 - SF7BW125 to SF12BW125

Downlink:

506.7 - SF7BW125 to SF12BW125

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506.9 - SF7BW125 to SF12BW125

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507.1 - SF7BW125 to SF12BW125

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507.3 - SF7BW125 to SF12BW125

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507.5 - SF7BW125 to SF12BW125

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507.7 - SF7BW125 to SF12BW125

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507.9 - SF7BW125 to SF12BW125

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508.1 - SF7BW125 to SF12BW125

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505.3 - SF12BW125 (RX2 downlink only)

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11.

111. AU915-928(AU915)

Default use CHE=2

Uplink:

916.8 - SF7BW125 to SF12BW125

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917.0 - SF7BW125 to SF12BW125

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917.2 - SF7BW125 to SF12BW125

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917.4 - SF7BW125 to SF12BW125

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917.6 - SF7BW125 to SF12BW125

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917.8 - SF7BW125 to SF12BW125

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918.0 - SF7BW125 to SF12BW125

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918.2 - SF7BW125 to SF12BW125

Downlink:

923.3 - SF7BW500 to SF12BW500

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923.9 - SF7BW500 to SF12BW500

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924.5 - SF7BW500 to SF12BW500

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925.1 - SF7BW500 to SF12BW500

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925.7 - SF7BW500 to SF12BW500

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926.3 - SF7BW500 to SF12BW500

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926.9 - SF7BW500 to SF12BW500

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927.5 - SF7BW500 to SF12BW500

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923.3 - SF12BW500(RX2 downlink only)

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11.

111. AS920-923 & AS923-925 (AS923)

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**Default Uplink channel:**

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923.2 - SF7BW125 to SF10BW125

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923.4 - SF7BW125 to SF10BW125

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**Additional Uplink Channel**:

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(OTAA mode, channel added by JoinAccept message)

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**AS920~~AS923 for Japan, Malaysia, Singapore**:

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922.2 - SF7BW125 to SF10BW125

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922.4 - SF7BW125 to SF10BW125

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922.6 - SF7BW125 to SF10BW125

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922.8 - SF7BW125 to SF10BW125

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923.0 - SF7BW125 to SF10BW125

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922.0 - SF7BW125 to SF10BW125

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**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:

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923.6 - SF7BW125 to SF10BW125

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923.8 - SF7BW125 to SF10BW125

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924.0 - SF7BW125 to SF10BW125

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924.2 - SF7BW125 to SF10BW125

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924.4 - SF7BW125 to SF10BW125

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924.6 - SF7BW125 to SF10BW125

**Downlink:**

Uplink channels 1-8 (RX1)

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923.2 - SF10BW125 (RX2)

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11.

111. KR920-923 (KR920)

Default channel:

922.1 - SF7BW125 to SF12BW125

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922.3 - SF7BW125 to SF12BW125

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922.5 - SF7BW125 to SF12BW125

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Uplink: (OTAA mode, channel added by JoinAccept message)

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623

922.1 - SF7BW125 to SF12BW125

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922.3 - SF7BW125 to SF12BW125

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922.5 - SF7BW125 to SF12BW125

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922.7 - SF7BW125 to SF12BW125

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922.9 - SF7BW125 to SF12BW125

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923.1 - SF7BW125 to SF12BW125

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635

923.3 - SF7BW125 to SF12BW125

Downlink:

Uplink channels 1-7(RX1)

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921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)

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11.

111. IN865-867 (IN865)

Uplink:

865.0625 - SF7BW125 to SF12BW125

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865.4025 - SF7BW125 to SF12BW125

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865.9850 - SF7BW125 to SF12BW125

Downlink:

Uplink channels 1-3 (RX1)

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866.550 - SF10BW125 (RX2)

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11. LED Indicator

The LSE01 has an internal LED which is to show the status of different state.

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* Blink once when device power on.

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* Solid ON for 5 seconds once device successful Join the network.

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* Blink once when device transmit a packet.

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1.

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11. Installation in Soil

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**Measurement the soil surface**

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]

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Choose the proper measuring position. Avoid the probe to touch rocks or hard things. Split the surface soil according to the measured deep. Keep the measured as original density. Vertical insert the probe into the soil to be measured. Make sure not shake when inserting.

[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]

Dig a hole with diameter > 20CM.

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Horizontal insert the probe to the soil and fill the hole for long term measurement.

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11. Firmware Change Log

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**Firmware download link:**

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[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]

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**Firmware Upgrade Method:**

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[[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction_for_STM32_base_products#Introduction>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction_for_STM32_base_products#Introduction]]

**V1.0.**

Release

1.

11. Battery Analysis

111. Battery Type

The LSE01 battery is a combination of a 4000mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.

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The battery is designed to last for more than 5 years for the LSN50.

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The battery related documents as below:

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* [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],

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* [[Lithium-Thionyl Chloride Battery>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/ER18505_datasheet-EN.pdf]] datasheet, [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/ER18505_datasheet_PM-ER18505-S-02-LF_EN.pdf]]

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* [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]

|(((

JST-XH-2P connector

)))

[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]

1.

11.

111. Battery Note

The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.

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11.

111. Replace the battery

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If Battery is lower than 2.7v, user should replace the battery of LSE01.

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You can change the battery in the LSE01.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.

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The default battery pack of LSE01 includes a ER18505 plus super capacitor. If user can’t find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)

1. Using the AT Commands

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11. Access AT Commands

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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.

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]

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Or if you have below board, use below connection:

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]

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:

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[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]

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Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]]: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]]

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AT+<CMD>? : Help on <CMD>

AT+<CMD> : Run <CMD>

AT+<CMD>=<value> : Set the value

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AT+<CMD>=? : Get the value

**General Commands**

AT : Attention

AT? : Short Help

ATZ : MCU Reset

AT+TDC : Application Data Transmission Interval

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813

**Keys, IDs and EUIs management**

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815

AT+APPEUI : Application EUI

816

817

AT+APPKEY : Application Key

818

819

AT+APPSKEY : Application Session Key

820

821

AT+DADDR : Device Address

AT+DEUI : Device EUI

AT+NWKID : Network ID (You can enter this command change only after successful network connection)

826

827

AT+NWKSKEY : Network Session Key Joining and sending date on LoRa network

828

829

AT+CFM : Confirm Mode

830

831

AT+CFS : Confirm Status

832

833

AT+JOIN : Join LoRa? Network

834

835

AT+NJM : LoRa? Network Join Mode

836

837

AT+NJS : LoRa? Network Join Status

838

839

AT+RECV : Print Last Received Data in Raw Format

840

841

AT+RECVB : Print Last Received Data in Binary Format

842

843

AT+SEND : Send Text Data

844

845

AT+SENB : Send Hexadecimal Data

846

847

848

**LoRa Network Management**

849

850

AT+ADR : Adaptive Rate

851

852

AT+CLASS : LoRa Class(Currently only support class A

853

854

AT+DCS : Duty Cycle Setting

855

856

AT+DR : Data Rate (Can Only be Modified after ADR=0)

857

858

AT+FCD : Frame Counter Downlink

859

860

AT+FCU : Frame Counter Uplink

861

862

AT+JN1DL : Join Accept Delay1

863

864

AT+JN2DL : Join Accept Delay2

865

866

AT+PNM : Public Network Mode

867

868

AT+RX1DL : Receive Delay1

869

870

AT+RX2DL : Receive Delay2

871

872

AT+RX2DR : Rx2 Window Data Rate

873

874

AT+RX2FQ : Rx2 Window Frequency

875

876

AT+TXP : Transmit Power

877

878

AT+ MOD : Set work mode

**Information**

AT+RSSI : RSSI of the Last Received Packet

884

885

AT+SNR : SNR of the Last Received Packet

886

887

AT+VER : Image Version and Frequency Band

888

889

AT+FDR : Factory Data Reset

890

891

AT+PORT : Application Port

892

893

AT+CHS : Get or Set Frequency (Unit: Hz) for Single Channel Mode

894

895

AT+CHE : Get or Set eight channels mode, Only for US915, AU915, CN470

= 4. FAQ =

== 4.1 How to change the LoRa Frequency Bands/Region? ==

906

907

You can follow the instructions for [[how to upgrade image>>path:#3ygebqi]].

908

When downloading the images, choose the required image file for download.

How to set up LSE01 to work in 8 channel mode

913

914

By default, the frequency bands US915, AU915, CN470 work in 72 frequencies. Many gateways are 8 channel gateways, and in this case, the OTAA join time and uplink schedule is long and unpredictable while the end node is hopping in 72 frequencies.

915

916

917

You can configure the end node to work in 8 channel mode by using the AT+CHE command. The 500kHz channels are always included for OTAA.

For example, in **US915** band, the frequency table is as below. By default, the end node will use all channels (0~~71) for OTAA Join process. After the OTAA Join, the end node will use these all channels (0~~71) to send uplink packets.

922

923

924

(% border="1" cellspacing="10" style="background-color:#f7faff" %)

925

|=(% style="width: 56px;" %)CHE|=(% colspan="9" style="width: 1433px;" %)US915 Uplink Channels(125KHz,4/5,Unit:MHz,CHS=0)

926

|(% style="width:56px" %)0|(% colspan="9" style="width:1433px" %)ENABLE Channel 0-63

|(% colspan="10" %)Channels(500KHz,4/5,Unit:MHz,CHS=0)

936

937

938

When you use the TTN network, the US915 frequency bands use are:

939

940

* 903.9 - SF7BW125 to SF10BW125

941

* 904.1 - SF7BW125 to SF10BW125

942

* 904.3 - SF7BW125 to SF10BW125

943

* 904.5 - SF7BW125 to SF10BW125

944

* 904.7 - SF7BW125 to SF10BW125

945

* 904.9 - SF7BW125 to SF10BW125

946

* 905.1 - SF7BW125 to SF10BW125

947

* 905.3 - SF7BW125 to SF10BW125

948

* 904.6 - SF8BW500

949

950

Because the end node is now hopping in 72 frequency, it makes it difficult for the devices to Join the TTN network and uplink data. To solve this issue, you can access the device via the AT commands and run:

**AT+CHE=2**

**ATZ**

to set the end node to work in 8 channel mode. The device will work in Channel 8-15 & 64-71 for OTAA, and channel 8-15 for Uplink.

957

958

959

The **AU915** band is similar. Below are the AU915 Uplink Channels.

960

961

962

|CHE|(% colspan="9" %)AU915 Uplink Channels(125KHz,4/5,Unit:MHz,CHS=0)

963

|0|(% colspan="9" %)ENABLE Channel 0-63

964

|1|915.2|915.4|915.6|915.8|916|916.2|916.4|916.6|Channel 0-7

965

|2|916.8|917|917.2|917.4|917.6|917.8|918|918.2|Channel 8-15

966

|3|918.4|918.6|918.8|919|919.2|919.4|919.6|919.8|Channel 16-23

967

|4|920|920.2|920.4|920.6|920.8|921|921.2|921.4|Channel 24-31

968

|5|921.6|921.8|922|922.2|922.4|922.6|922.8|923|Channel 32-39

969

|6|923.2|923.4|923.6|923.8|924|924.2|924.4|924.6|Channel 40-47

970

|7|924.8|925|925.2|925.4|925.6|925.8|926|926.2|Channel 48-55

971

|8|926.4|926.6|926.8|927|927.2|927.4|927.6|927.8|Channel 56-63

972

|(% colspan="10" %)Channels(500KHz,4/5,Unit:MHz,CHS=0)

973

| |915.9|917.5|919.1|920.7|922.3|923.9|925.5|927.1|Channel 64-71

= 5. Trouble Shooting =

978

979

980

== 5.1 Why I can’t join TTN in US915 / AU915 bands? ==

981

982

It is due to channel mapping. Please see the [[Eight Channel Mode>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] section above for details.

983

984

985

== 5.2 AT Command input doesn’t work ==

986

987

In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.

988

989

990

== 5.3 Device rejoin in at the second uplink packet ==

991

992

(% style="color:#4f81bd" %)**Issue describe as below:**

993

994

[[image:1654500909990-784.png]]

995

996

997

(% style="color:#4f81bd" %)**Cause for this issue:**

998

999

The fuse on LSE01 is not large enough, some of the soil probe require large current up to 5v 800mA, in a short pulse. When this happen, it cause the device reboot so user see rejoin.

1000

1001

1002

(% style="color:#4f81bd" %)**Solution: **

1003

1004

All new shipped LSE01 after 2020-May-30 will have this to fix. For the customer who see this issue, please bypass the fuse as below:

1005

1006

[[image:1654500929571-736.png]]

= 6. Order Info =

Part Number**:** (% style="color:#4f81bd" %)**LSE01-XX-YY**

1013

1014

1015

(% style="color:#4f81bd" %)**XX**(%%)**:** The default frequency band

1016

1017

* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band

1018

* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band

1019

* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band

1020

* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band

1021

* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band

1022

* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band

1023

* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band

1024

* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band

1025

1026

(% style="color:#4f81bd" %)**YY**(%%)**: **Battery Option

1027

1028

* (% style="color:red" %)**4**(%%): 4000mAh battery

1029

* (% style="color:red" %)**8**(%%): 8500mAh battery

= 7. Packing Info =

(((

**Package Includes**:

)))

* (((

LSE01 LoRaWAN Soil Moisture & EC Sensor x 1

)))

(((

)))

(((

**Dimension and weight**:

)))

* (((

Device Size: cm

)))

* (((

Device Weight: g

)))

* (((

Package Size / pcs : cm

)))

* (((

Weight / pcs : g

)))

= 8. Support =

* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.

1065

* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]

1066

1067

Wiki source code of LSE01-LoRaWAN Soil Moisture & EC Sensor User Manual

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