Changes for page LSPH01 -- LoRaWAN Soil pH Sensor User Manual

Last modified by Xiaoling on 2025/04/25 14:08

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--LSPH01-LoRaWAN Soil pH Sensor User Manual
++LSPH01 -- LoRaWAN Soil pH Sensor User Manual

Content

@@ -4,79 +4,31 @@
--**Contents:**
--* [[1. Introduction>>path:#H1.Introduction]]
--** [[1.1 What is LoRaWAN Soil pH Sensor>>path:#H1.1200BWhatisLoRaWANSoilpHSensor]]
--** [[1.2 Features>>path:#H200B1.2Features]]
--** [[1.3 Probe Specification>>path:#H1.3ProbeSpecification]]
--** [[1.4 Applications>>path:#H1.4200BApplications]]
--** [[1.5 Pin mapping and power on>>path:#H1.5Pinmappingandpoweron]]
--* [[2. Configure LSPH01 to connect to LoRaWAN network>>path:#H2.ConfigureLSPH01toconnecttoLoRaWANnetwork]]
--** [[2.1 How it works>>path:#H2.1Howitworks]]
--** [[2.2 Quick guide to connect to LoRaWAN server (OTAA)>>path:#H2.2200BQuickguidetoconnecttoLoRaWANserver28OTAA29]]
--** [[2.3 Uplink Payload>>path:#H2.3200BUplinkPayload]]
--*** [[2.3.1 Battery Info>>path:#H2.3.1BatteryInfo]]
--*** [[2.3.2 DS18B20 Temperature sensor>>path:#H2.3.2DS18B20Temperaturesensor]]
--*** [[2.3.3 Soil pH>>path:#H2.3.3SoilpH]]
--*** [[2.3.4 Soil Temperature>>path:#H2.3.4SoilTemperature]]
--*** [[2.3.5 Interrupt Pin>>path:#H2.3.5InterruptPin]]
--*** [[2.3.6 Message Type>>path:#H2.3.6MessageType]]
--*** [[2.3.7 Decode payload in The Things Network>>path:#H2.3.7DecodepayloadinTheThingsNetwork]]
--** [[2.4 Uplink Interval>>path:#H2.4UplinkInterval]]
--** [[2.5 Show Data in DataCake IoT Server>>path:#H2.5200BShowDatainDataCakeIoTServer]]
--** [[2.6 Installation and Maintain>>path:#H2.6InstallationandMaintain]]
--*** [[2.6.1 Before measurement>>path:#H2.6.1Beforemeasurement]]
--*** [[2.6.2 Measurement>>path:#H2.6.2Measurement]]
--*** [[2.6.3 Maintain Probe>>path:#H2.6.3MaintainProbe]]
--** [[2.7 Calibration>>path:#H2.7Calibration]]
--** [[2.8 Frequency Plans>>path:#H2.8FrequencyPlans]]
--*** [[2.8.1 EU863-870 (EU868)>>path:#H2.8.1EU863-87028EU86829]]
--*** [[2.8.2 US902-928(US915)>>path:#H2.8.2US902-92828US91529]]
--*** [[2.8.3 CN470-510 (CN470)>>path:#H2.8.3CN470-51028CN47029]]
--*** [[2.8.4 AU915-928(AU915)>>path:#H2.8.4AU915-92828AU91529]]
--*** [[2.8.5 AS920-923 & AS923-925 (AS923)>>path:#H2.8.5AS920-92326AS923-92528AS92329]]
--*** [[2.8.6 KR920-923 (KR920)>>path:#H2.8.6KR920-92328KR92029]]
--*** [[2.8.7 IN865-867 (IN865)>>path:#H2.8.7IN865-86728IN86529]]
--** [[2.9 LED Indicator>>path:#H2.9LEDIndicator]]
--** [[2.10 Firmware Change Log>>path:#H2.10200BFirmwareChangeLog]]
--* [[3. Configure LSPH01 via AT Command or LoRaWAN Downlink>>path:#H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink]]
--** [[3.1 Set Transmit Interval Time>>path:#H3.1SetTransmitIntervalTime]]
--** [[3.2 Set Interrupt Mode>>path:#H3.2SetInterruptMode]]
--** [[3.3 Calibrate Sensor>>path:#H3.3CalibrateSensor]]
--** [[3.4 Get Firmware Version Info>>path:#H3.4GetFirmwareVersionInfo]]
--* [[4. Battery & How to replace>>path:#H4.Battery26Howtoreplace]]
--** [[4.1 Battery Type>>path:#H4.1BatteryType]]
--** [[4.2 Replace Battery>>path:#H4.2ReplaceBattery]]
--** [[4.3 Power Consumption Analyze>>path:#H4.3PowerConsumptionAnalyze]]
--*** [[4.3.1 Battery Note>>path:#H4.3.1200BBatteryNote]]
--*** [[4.3.2 Replace the battery>>path:#H200B4.3.2Replacethebattery]]
--* [[5. Use AT Command>>path:#H5.UseATCommand]]
--** [[5.1 Access AT Commands>>path:#H5.1AccessATCommands]]
--* [[6. FAQ>>path:#H6.FAQ]]
--** [[6.1 How to change the LoRa Frequency Bands/Region>>path:#H6.1HowtochangetheLoRaFrequencyBands2FRegion]]
--* [[7. Trouble Shooting>>path:#H7.TroubleShooting]]
--** [[7.1 AT Commands input doesn’t work>>path:#H7.1ATCommandsinputdoesn2019twork]]
--* [[8. Order Info>>path:#H8.OrderInfo]]
--* [[9. Packing Info>>path:#H9.200BPackingInfo]]
--* [[10. Support>>path:#H10.A0200BSupport]]
++**Table of Contents:**
++{{toc/}}
++
++
++
++
  = 1. Introduction =
  == 1.1 What is LoRaWAN Soil pH Sensor ==
++
  (((
--The Dragino LSPH01 is a (% style="color:#4f81bd" %)**LoRaWAN Soil pH Sensor**(%%) for IoT of Agriculture. It is designed to measure the soil PH and soil temperature, so to send to the platform to analyze the soil acid or alkali level. The probe is IP68 waterproof.
++The Dragino LSPH01 is a (% style="color:blue" %)**LoRaWAN Soil pH Sensor**(%%) for IoT of Agriculture. It is designed to measure the (% style="color:blue" %)**soil PH and soil temperature**(%%), so to send to the platform to analyze the soil acid or alkali level. The probe is IP68 waterproof.
  )))
  (((
--LSPH01 probe is made by Solid AgCl reference electrode and Pure metal pH sensitive electrode. It can detect soil's** (% style="color:#4f81bd" %)pH (%%)**with high accuracy and stable value. The LSPH01 probe can be buried into soil for long time use.
++LSPH01 probe is made by Solid AgCl reference electrode and Pure metal pH sensitive electrode. It can detect (% style="color:blue" %)**soil's pH **(%%)with high accuracy and stable value. The LSPH01 probe can be buried into soil for long time use.
  )))
  (((
@@ -84,7 +84,7 @@
  )))
  (((
--LSPH01 is powered by (% style="color:#4f81bd" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
++LSPH01 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
  )))
  (((
@@ -95,9 +95,9 @@
  [[image:1654592435432-887.png]]
--
  == 1.2 Features ==
++
  * LoRaWAN 1.0.3 Class A
  * Ultra-low power consumption
  * Monitor soil pH with temperature compensation.
@@ -112,7 +112,6 @@
  * IP68 rate for the Sensor Probe
  * 8500mAh Battery for long term use
--
  == 1.3 Probe Specification ==
@@ -133,33 +133,34 @@
  * IP68 Protection
  * Length: 3.5 meters
--
  == 1.4 Applications ==
++
  * Smart Agriculture
--
  == 1.5 Pin mapping and power on ==
++
  [[image:1654592472094-134.png]]
--
  = 2. Configure LSPH01 to connect to LoRaWAN network =
  == 2.1 How it works ==
++
  (((
  The LSPH01 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 LSPH01. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
  )))
  (((
--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:#H5.UseATCommand]]to set the keys in the LSPH01.
++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 >>||anchor="H5.UseATCommand"]]to set the keys in the LSPH01.
  )))
  == 2.2 Quick guide to connect to LoRaWAN server (OTAA) ==
++
  (((
  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.
  )))
@@ -166,10 +166,14 @@
  (((
  [[image:1654592492399-921.png]]
++
++
  )))
  (((
  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.
++
++
  )))
  (((
@@ -180,10 +180,10 @@
  Each LSPH01 is shipped with a sticker with the default device EUI as below:
  )))
--[[image:image-20220607170145-1.jpeg]]
++[[image:image-20230426084737-1.png||height="246" width="530"]](% style="display:none" %)
++(% style="display:none" %) (%%)
--
  You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
@@ -193,11 +193,13 @@
  [[image:1654592600093-601.png]]
++
  **Add APP EUI and DEV EUI**
  [[image:1654592619856-881.png]]
++
  **Add APP EUI in the application**
  [[image:1654592632656-512.png]]
@@ -219,14 +219,16 @@
  (((
  (% style="color:blue" %)**Step 3**(%%)**:** The LSPH01 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.
++
++
  )))
  [[image:1654592697690-910.png]]
--
  == 2.3 Uplink Payload ==
++
  (((
  LSPH01 will uplink payload via LoRaWAN with below payload format:
  )))
@@ -239,26 +239,21 @@
  Normal uplink payload:
  )))
--(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
--|(((
--**Size**
--
--**(bytes)**
--)))|**2**|**2**|**2**|**2**|**1**|**1**|**1**
--|**Value**|[[BAT>>path:#H2.3.1BatteryInfo]]|(((
--[[Temperature>>path:#H2.3.2DS18B20Temperaturesensor]]
--
--[[(Optional)>>path:#H2.3.2DS18B20Temperaturesensor]]
--)))|[[Soil pH>>path:#H2.3.3SoilpH]]|[[Soil Temperature>>path:#H2.3.4SoilTemperature]]|(((
--[[Digital Interrupt (Optional)>>path:#H2.3.5InterruptPin]]
++(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:470px" %)
++|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
++**Size(bytes)**
++)))|=(% style="width: 30px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**1**
++|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
++[[Temperature (Optional)>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
++)))|[[Soil pH>>||anchor="H2.3.3SoilpH"]]|[[Soil Temperature>>||anchor="H2.3.4SoilTemperature"]]|(((
++[[Digital Interrupt (Optional)>>||anchor="H2.3.5InterruptPin"]]
  )))|Reserve|(((
--[[Message Type>>path:#H2.3.6MessageType]]
++[[Message Type>>||anchor="H2.3.6MessageType"]]
  )))
  [[image:1654592721645-318.png]]
--
  === 2.3.1 Battery Info ===
@@ -269,9 +269,9 @@
  Ex2: 0x0B49 = 2889mV
--
  === 2.3.2 DS18B20 Temperature sensor ===
++
  This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
@@ -282,9 +282,9 @@
  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
--
  === 2.3.3 Soil pH ===
++
  Range: 0 ~~ 14 pH
  **Example:**
@@ -292,9 +292,9 @@
  (% style="color:#037691" %)** 0x02B7(H) = 695(D) = 6.95pH**
--
  === 2.3.4 Soil Temperature ===
++
  Get Soil Temperature
@@ -305,12 +305,12 @@
  If payload is: **FF3FH** :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
--
  === 2.3.5 Interrupt Pin ===
--This data field shows if this packet is generated by interrupt or not. [[Click here>>path:#H3.2SetInterruptMode]] for the hardware and software set up.
++This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2SetInterruptMode"]] for the hardware and software set up.
++
  **Example:**
 x00: Normal uplink packet.
@@ -318,9 +318,9 @@
 x01: Interrupt Uplink Packet.
--
  === 2.3.6 Message Type ===
++
  (((
  For a normal uplink payload, the message type is always 0x01.
  )))
@@ -330,16 +330,15 @@
  )))
--(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
--|=**Message Type Code**|=**Description**|=**Payload**
--|0x01|Normal Uplink|[[Normal Uplink Payload>>path:#H2.3200BUplinkPayload]]
--|0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]]
--|0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
++(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:496px" %)
++|=(% style="width: 160px;background-color:#4F81BD;color:white" %)**Message Type Code**|=(% style="width: 163px;background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 173px;background-color:#4F81BD;color:white" %)**Payload**
++|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
++|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.4GetFirmwareVersionInfo"]]
++|(% style="width:160px" %)0x03|(% style="width:163px" %)Reply Calibration Info|(% style="width:173px" %)[[Calibration Payload>>||anchor="H2.7Calibration"]]
--
--
  === 2.3.7 Decode payload in The Things Network ===
++
  While using TTN network, you can add the payload format to decode the payload.
@@ -350,19 +350,19 @@
  )))
  (((
--LSPH01 TTN Payload Decoder: [[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/LSPH01/Decoder/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSNPK01/Decoder/]]
++LSPH01 TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
  )))
--
  == 2.4 Uplink Interval ==
--The LSPH01 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval]]
++The LSPH01 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
  == 2.5 Show Data in DataCake IoT Server ==
++
  (((
  [[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:
  )))
@@ -393,7 +393,6 @@
  [[image:1654592819047-535.png]]
--
  [[image:1654592833877-762.png]]
@@ -405,7 +405,7 @@
  )))
  (((
--Download Datacake decoder from: [[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/LSPH01/Decoder/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSNPK01/Decoder/]]
++Download Datacake decoder from: [[https:~~/~~/www.dropbox.com/sh/pj7cgmgqg3gx3ta/AABYFbg1DVOOR9Hmr1mLSBkga?dl=0>>url:https://www.dropbox.com/sh/pj7cgmgqg3gx3ta/AABYFbg1DVOOR9Hmr1mLSBkga?dl=0]]
  )))
@@ -423,24 +423,21 @@
  [[image:1654592917530-261.png]]
--
  == 2.6 Installation and Maintain ==
  === 2.6.1 Before measurement ===
++
  (((
--(((
  If the LSPH01 has more than 7 days not use or just clean the pH probe. User should put the probe inside pure water for more than 24 hours for activation. If no put in water, user need to put inside soil for more than 24 hours to ensure the measurement accuracy.
  )))
--)))
--
  === 2.6.2 Measurement ===
  (((
--(% style="color:#4f81bd" %)**Measurement the soil surface:**
++(% style="color:blue" %)**Measurement the soil surface:**
  )))
  (((
@@ -456,7 +456,7 @@
  )))
  (((
--Slowly insert the probe to the measure point. Don’t use large force which will break the probe. Make sure not shake when inserting.
++Slowly insert the probe to the measure point. Don't use large force which will break the probe. Make sure not shake when inserting.
  )))
  (((
@@ -468,7 +468,7 @@
  )))
  (((
--(% style="color:#4f81bd" %)**Measurement inside soil:**
++(% style="color:blue" %)**Measurement inside soil:**
  )))
  (((
@@ -480,27 +480,31 @@
  )))
--
  === 2.6.3 Maintain Probe ===
--1. (((
--pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
++
++(((
++~1. pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
  )))
--1. (((
--After long time use (3~~ 6  months). The probe electrode needs to be clean; user can use high grade sandpaper to polish it or put in 5% hydrochloric acid for several minutes. After the metal probe looks like new, user can use pure water to wash it.
++
++(((
++2. After long time use (3~~ 6  months). The probe electrode needs to be clean; user can use high grade sandpaper to polish it or put in 5% hydrochloric acid for several minutes. After the metal probe looks like new, user can use pure water to wash it.
  )))
--1. (((
--Probe reference electrode is also no strong, need to avoid strong force or hitting.
++
++(((
++3. Probe reference electrode is also no strong, need to avoid strong force or hitting.
  )))
--1. (((
--User should keep reference electrode wet while not use.
++
++(((
++4. User should keep reference electrode wet while not use.
  )))
--1. (((
--Avoid the probes to touch oily matter. Which will cause issue in accuracy.
++
++(((
++5. Avoid the probes to touch oily matter. Which will cause issue in accuracy.
  )))
--1. (((
--The probe is IP68 can be put in water.
++(((
++6. The probe is IP68 can be put in water.
  )))
@@ -507,51 +507,99 @@
  == 2.7 Calibration ==
++
++(% style="color:blue" %)**Step1 :**(%%)** Clean probe**
++
++user can use high grade sandpaper to polish it or put in 5% hydrochloric acid for several minutes. After the metal probe looks new, users can clean it to remove hydrochloric acid or other liquids from the surface.
++
++(% style="color:blue" %)**Step2 :**(%%)** Immerse the sensor in ph buffer solution to make the sensor values stable**
++
  (((
  User can do calibration for the probe. It is limited to use below pH buffer solution to calibrate: 4.00, 6.86, 9.18. When calibration, user need to clean the electrode and put the probe in the pH buffer solution to wait the value stable ( a new clean electrode might need max 24 hours to be stable).
++
++(% style="color:red" %)**Note: Only one ph buffer with one of the ph values needs to be calibrated during calibration. Wait for the sensor measurement value to be stable, it does not need to be the same as the ph marked by the ph buffer**
++
++
++(% style="color:blue" %)**Step3 :**(%%)** The numerically stable sensors were calibrated using commands**
  )))
  (((
--After stable, user can use below command to calibrate.
++ User can use below command to calibrate.
++
++(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
++|(% style="background-color:#4f81bd; color:white; width:120px" %)**pH buffer solution**|(% style="background-color:#4f81bd; color:white; width:150px" %)**AT Command to calibrate**|(% style="background-color:#4f81bd; color:white; width:145px" %)**Downlink Command**|(% style="background-color:#4f81bd; color:white; width:95px" %)**Read Cal Value**
++|(% style="width:149px" %)4.00|(% style="width:197px" %)AT+PHCAL=4|(% style="width:206px" %)(((
++0x13 04
++Reply with Calibrate payload
++)))|(% style="width:136px" %)(((
++AT+PHCAL=?
++Example 41,61,91
  )))
++|(% style="width:149px" %)6.86|(% style="width:197px" %)AT+PHCAL=6|(% style="width:206px" %)(((
++0x13 06
++Reply with Calibrate payload
++)))|(% style="width:136px" %)AT+PHCAL=?
++|(% style="width:149px" %)9.18|(% style="width:197px" %)AT+PHCAL=9|(% style="width:206px" %)(((
++0x13 09
++Reply with Calibrate payload
++)))|(% style="width:136px" %)AT+PHCAL=?
++|(% style="width:149px" %)Factory Default|(% style="width:197px" %)AT+PHCAL=15|(% style="width:206px" %)(((
++0x13 15
++Reply with Calibrate payload
++)))|(% style="width:136px" %)(((
++AT+PHCAL=?
++Example 151
++)))
++)))
--[[image:image-20220607171149-4.png]]
++To use the AT COMMAND, refer to this link:
++* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
--(% style="color:#037691" %)**Calibration Payload**
++* AT Command via UART Connection : See [[UART Connection>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
--(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
--|(((
--**Size**
++To use Downlink, take TTN as an example, please refer to this link:
--**(bytes)**
--)))|**1**|**1**|**1**|**7**|**1**
--|**Value**|(((
--PH4
++* LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>url:http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
--Calibrate value
--)))|PH6.86 Calibrate value|(((
--PH9.18
++When the command is successfully used, the node sends a uplink.
++This is the payload for uplink
--Calibrate value
--)))|Reserve|(((
--[[Message Type>>path:#H2.3.6MessageType]]
++(% style="color:#037691" %)**Calibration Payload**
++(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:500px" %)
++|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
++**Size(bytes)**
++)))|=(% style="width: 100px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 100px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 100px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**7**|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**1**
++|Value|(((
++PH4 Calibrate value
++)))|PH6.86 Calibrate value|(((
++PH9.18 Calibrate value
++)))|Reserve|(((
++[[Message Type>>||anchor="H2.3.6MessageType"]]
  Always 0x03
  )))
  User can also send 0x14 downlink command to poll the current calibration payload.
--[[image:image-20220607171416-7.jpeg]]
++(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:480px" %)
++|=(% style="width: 183px; background-color:#4F81BD;color:white" %)**Downlink Control Type**|=(% style="width: 55px; background-color:#4F81BD;color:white" %)FPort|=(% style="width: 93px; background-color:#4F81BD;color:white" %)**Type Code**|=(% style="width: 149px; background-color:#4F81BD;color:white" %)**Downlink payload size(bytes)**
++|(% style="width:183px" %)Get Calibration Version Info|(% style="width:55px" %)Any|(% style="width:93px" %)14|(% style="width:146px" %)2
--
  * Reply to the confirmation package: 14 01
++
  * Reply to non-confirmed packet: 14 00
++(% style="color:blue" %)**Step4 : **(%%)**After the calibration is completed, its measurement results in this ph buffer solution should be consistent with the numerical value of the command used in the calibration.**
++Examples:
++After using the command AT+PH=9 in 9.18ph buffer
++The readout returned by the sensor in 9.18ph buffer should be pH=9
++
  == 2.8 Frequency Plans ==
++
  (((
  The LSPH01 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.
  )))
@@ -559,37 +559,67 @@
  === 2.8.1 EU863-870 (EU868) ===
++
++(((
  (% style="color:blue" %)**Uplink:**
++)))
++(((
 .1 - SF7BW125 to SF12BW125
++)))
++(((
 .3 - SF7BW125 to SF12BW125 and SF7BW250
++)))
++(((
 .5 - SF7BW125 to SF12BW125
++)))
++(((
 .1 - SF7BW125 to SF12BW125
++)))
++(((
 .3 - SF7BW125 to SF12BW125
++)))
++(((
 .5 - SF7BW125 to SF12BW125
++)))
++(((
 .7 - SF7BW125 to SF12BW125
++)))
++(((
 .9 - SF7BW125 to SF12BW125
++)))
++(((
 .8 - FSK
++)))
++(((
++
++)))
++(((
  (% style="color:blue" %)**Downlink:**
++)))
++(((
  Uplink channels 1-9 (RX1)
++)))
++(((
 .525 - SF9BW125 (RX2 downlink only)
++)))
--
  === 2.8.2 US902-928(US915) ===
++
  (((
  Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
  )))
@@ -603,58 +603,100 @@
  )))
  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
--* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
++* Use the Join successful sub-band if the server doesn't include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
--
--
  === 2.8.3 CN470-510 (CN470) ===
++
++(((
  Used in China, Default use CHE=1
++)))
++(((
  (% style="color:blue" %)**Uplink:**
++)))
++(((
 .3 - SF7BW125 to SF12BW125
++)))
++(((
 .5 - SF7BW125 to SF12BW125
++)))
++(((
 .7 - SF7BW125 to SF12BW125
++)))
++(((
 .9 - SF7BW125 to SF12BW125
++)))
++(((
 .1 - SF7BW125 to SF12BW125
++)))
++(((
 .3 - SF7BW125 to SF12BW125
++)))
++(((
 .5 - SF7BW125 to SF12BW125
++)))
++(((
 .7 - SF7BW125 to SF12BW125
++)))
++(((
++
++)))
++(((
  (% style="color:blue" %)**Downlink:**
++)))
++(((
 .7 - SF7BW125 to SF12BW125
++)))
++(((
 .9 - SF7BW125 to SF12BW125
++)))
++(((
 .1 - SF7BW125 to SF12BW125
++)))
++(((
 .3 - SF7BW125 to SF12BW125
++)))
++(((
 .5 - SF7BW125 to SF12BW125
++)))
++(((
 .7 - SF7BW125 to SF12BW125
++)))
++(((
 .9 - SF7BW125 to SF12BW125
++)))
++(((
 .1 - SF7BW125 to SF12BW125
++)))
++(((
 .3 - SF12BW125 (RX2 downlink only)
++)))
--
  === 2.8.4 AU915-928(AU915) ===
++
  (((
  Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
  )))
@@ -672,11 +672,12 @@
  )))
  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
--* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
++* Use the Join successful sub-band if the server doesn't include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
  === 2.8.5 AS920-923 & AS923-925 (AS923) ===
++
  (((
  (% style="color:blue" %)**Default Uplink channel:**
  )))
@@ -782,161 +782,273 @@
  )))
--
  === 2.8.6 KR920-923 (KR920) ===
++
++(((
  (% style="color:blue" %)**Default channel:**
++)))
++(((
 .1 - SF7BW125 to SF12BW125
++)))
++(((
 .3 - SF7BW125 to SF12BW125
++)))
++(((
 .5 - SF7BW125 to SF12BW125
++)))
++(((
  (% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
++)))
++(((
 .1 - SF7BW125 to SF12BW125
++)))
++(((
 .3 - SF7BW125 to SF12BW125
++)))
++(((
 .5 - SF7BW125 to SF12BW125
++)))
++(((
 .7 - SF7BW125 to SF12BW125
++)))
++(((
 .9 - SF7BW125 to SF12BW125
++)))
++(((
 .1 - SF7BW125 to SF12BW125
++)))
++(((
 .3 - SF7BW125 to SF12BW125
++)))
++(((
  (% style="color:blue" %)**Downlink:**
++)))
++(((
  Uplink channels 1-7(RX1)
++)))
++(((
 .9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
++)))
--
  === 2.8.7 IN865-867 (IN865) ===
++
++(((
  (% style="color:blue" %)**Uplink:**
++)))
++(((
 .0625 - SF7BW125 to SF12BW125
++)))
++(((
 .4025 - SF7BW125 to SF12BW125
++)))
++(((
 .9850 - SF7BW125 to SF12BW125
++)))
++(((
  (% style="color:blue" %)**Downlink:**
++)))
++(((
  Uplink channels 1-3 (RX1)
++)))
++(((
 .550 - SF10BW125 (RX2)
++)))
--
  == 2.9 LED Indicator ==
++
  The LSPH01 has an internal LED which is to show the status of different state.
  * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
++
  * Blink once when device transmit a packet.
--
  == 2.10 Firmware Change Log ==
--**Firmware download link:**
++**Firmware download link: **[[https:~~/~~/www.dropbox.com/sh/xtm5tw37mewaw99/AAD0uy06odmreQQ7vMzZYVIGa?dl=0>>https://www.dropbox.com/sh/xtm5tw37mewaw99/AAD0uy06odmreQQ7vMzZYVIGa?dl=0]]
--[[http:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/LSPH01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
--
--
  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>path:/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
--
  = 3. Configure LSPH01 via AT Command or LoRaWAN Downlink =
++
++(((
  Use can configure LSPH01 via AT Command or LoRaWAN Downlink.
++)))
--* AT Command Connection: See [[FAQ>>path:#H6.FAQ]].
--* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>path:/xwiki/bin/view/Main/]]
++* (((
++AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
++)))
++* (((
++LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>path:/xwiki/bin/view/Main/]]
++)))
++(((
  There are two kinds of commands to configure LSPH01, they are:
++)))
--* (% style="color:#4f81bd" %)** General Commands**.
++* (((
++(% style="color:#4f81bd" %)** General Commands**.
++)))
++(((
  These commands are to configure:
++)))
--* General system settings like: uplink interval.
--* LoRaWAN protocol & radio related command.
++* (((
++General system settings like: uplink interval.
++)))
++* (((
++LoRaWAN protocol & radio related command.
++)))
--They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:[[End Device AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
++(((
++They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
++)))
--* (% style="color:#4f81bd" %)** Commands special design for LSPH01**
++* (((
++(% style="color:#4f81bd" %)** Commands special design for LSPH01**
++)))
++(((
  These commands only valid for LSPH01, as below:
++)))
--
  == 3.1 Set Transmit Interval Time ==
++
  Feature: Change LoRaWAN End Node Transmit Interval.
  (% style="color:#037691" %)**AT Command: AT+TDC**
--[[image:image-20220607171554-8.png]]
++(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
++|=(% style="width: 156px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 137px;background-color:#4F81BD;color:white" %)**Function**|=(% style="background-color:#4F81BD;color:white" %)**Response**
++|(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
++30000
++OK
++the interval is 30000ms = 30s
++)))
++|(% style="width:156px" %)AT+TDC=60000|(% style="width:137px" %)Set Transmit Interval|(((
++OK
++Set transmit interval to 60000ms = 60 seconds
++)))
--
--
++(((
  (% style="color:#037691" %)**Downlink Command: 0x01**
++)))
++(((
  Format: Command Code (0x01) followed by 3 bytes time value.
++)))
--If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
++(((
++If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
++)))
--* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
--* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
++* (((
++Example 1: Downlink Payload: 0100001E     ~/~/ Set Transmit Interval (TDC) = 30 seconds
++)))
++* (((
++Example 2: Downlink Payload: 0100003C    ~/~/ Set Transmit Interval (TDC) = 60 seconds
++
++)))
  == 3.2 Set Interrupt Mode ==
++
  Feature, Set Interrupt mode for GPIO_EXIT.
  (% style="color:#037691" %)**AT Command: AT+INTMOD**
--[[image:image-20220607171716-9.png]]
++(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
++|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 197px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 158px;background-color:#4F81BD;color:white" %)**Response**
++|(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
++0
++OK
++the mode is 0 =No interruption
++)))
++|(% style="width:154px" %)AT+INTMOD=2|(% style="width:196px" %)(((
++Set Transmit Interval
++0. (Disable Interrupt),
++~1. (Trigger by rising and falling edge)
++2. (Trigger by falling edge)
++3. (Trigger by rising edge)
++)))|(% style="width:157px" %)OK
--
++(((
  (% style="color:#037691" %)**Downlink Command: 0x06**
++)))
++(((
  Format: Command Code (0x06) followed by 3 bytes.
++)))
++(((
  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
++)))
--* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
--* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
++* (((
++Example 1: Downlink Payload: 06000000          ~/~/ Turn off interrupt mode
++)))
++* (((
++Example 2: Downlink Payload: 06000003         ~/~/  Set the interrupt mode to rising edge trigger
++
++
++)))
++
  == 3.3 Calibrate Sensor ==
--Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
++Detail See [[Calibration Guide>>||anchor="H2.7Calibration"]] for the user of 0x13 and 0x14 downlink commands
  == 3.4 Get Firmware Version Info ==
++
  Feature: use downlink to get firmware version.
  (% style="color:#037691" %)**Downlink Command: 0x26**
--[[image:image-20220607171917-10.png]]
++(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:500px" %)
++|(% style="background-color:#4f81bd; color:white; width:193px" %)**Downlink Control Type**|(% style="background-color:#4f81bd; color:white; width:57px" %)**FPort**|(% style="background-color:#4f81bd; color:white; width:91px" %)**Type Code**|(% style="background-color:#4f81bd; color:white; width:159px" %)**Downlink payload size(bytes)**
++|(% style="width:193px" %)Get Firmware Version Info|(% style="width:57px" %)Any|(% style="width:91px" %)26|(% style="width:149px" %)2
  * Reply to the confirmation package: 26 01
++
  * Reply to non-confirmed packet: 26 00
  Device will send an uplink after got this downlink command. With below payload:
@@ -943,28 +943,23 @@
  Configures info payload:
--(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
--|=(((
--**Size(bytes)**
--)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
--|**Value**|Software Type|(((
++(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
++|(% style="background-color:#4f81bd; color:white; width:50px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:70px" %)**1**|(% style="background-color:#4f81bd; color:white; width:70px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**|(% style="background-color:#4f81bd; color:white; width:70px" %)**1**|(% style="background-color:#4f81bd; color:white; width:60px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**5**|(% style="background-color:#4f81bd; color:white; width:90px" %)**1**
++|Value|Software Type|(((
  Frequency
--
  Band
  )))|Sub-band|(((
  Firmware
--
  Version
  )))|Sensor Type|Reserve|(((
--[[Message Type>>path:#H2.3.6MessageType]]
++[[Message Type>>||anchor="H2.3.6MessageType"]]
  Always 0x02
  )))
--**Software Type**: Always 0x03 for LSPH01
++(% style="color:#037691" %)**Software Type**(%%): Always 0x03 for LSPH01
++(% style="color:#037691" %)**Frequency Band**:
--**Frequency Band**:
--
  *0x01: EU868
  *0x02: US915
@@ -986,14 +986,12 @@
  *0xa0: AS923-3
--**Sub-Band**: value 0x00 ~~ 0x08
++(% style="color:#037691" %)**Sub-Band**(%%): value 0x00 ~~ 0x08
++(% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
--**Firmware Version**: 0x0100, Means: v1.0.0 version
++(% style="color:#037691" %)**Sensor Type**:
--
--**Sensor Type**:
--
 x01: LSE01
 x02: LDDS75
@@ -1009,107 +1009,25 @@
 x07: LDDS12
++= 4. Battery & Power Consumption =
--= 4. Battery & How to replace =
--== 4.1 Battery Type ==
++LSPH01 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
--(((
--LSPH01 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
--)))
++[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
--(((
--The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
--)))
--[[image:1654593587246-335.png]]
--
--
--Minimum Working Voltage for the LSPH01:
--
--LSPH01:  2.45v ~~ 3.6v
--
--
--
--== 4.2 Replace Battery ==
--
--(((
--Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
--)))
--
--(((
--And make sure the positive and negative pins match.
--)))
--
--
--
--== 4.3 Power Consumption Analyze ==
--
--(((
--Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
--)))
--
--(((
--Instruction to use as below:
--)))
--
--
--**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
--
--[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
--
--
--**Step 2**: Open it and choose
--
--* Product Model
--* Uplink Interval
--* Working Mode
--
--And the Life expectation in difference case will be shown on the right.
--
--[[image:1654593605679-189.png]]
--
--
--The battery related documents as below:
--
--* (((
--[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
--)))
--* (((
--[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
--)))
--* (((
--[[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]]
--)))
--
--[[image:image-20220607172042-11.png]]
--
--
--
--=== 4.3.1 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.
--)))
--
--
--
--=== 4.3.2 Replace the battery ===
--
--You can change the battery in the LSPH01.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.
--
--The default battery pack of LSPH01 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 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)
--
--
--
  = 5. Use AT Command =
  == 5.1 Access AT Commands ==
++
  LSPH01 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LSPH01 for using AT command, as below.
++
  [[image:1654593668970-604.png]]
++
  **Connection:**
  (% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
@@ -1119,34 +1119,36 @@
  (% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
++(((
  In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LSPH01. LSPH01 will output system info once power on as below:
++)))
   [[image:1654593712276-618.png]]
--Valid AT Command please check [[Configure Device>>path:#H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink]].
++Valid AT Command please check [[Configure Device>>||anchor="H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink"]].
--
  = 6. FAQ =
  == 6.1 How to change the LoRa Frequency Bands/Region ==
--You can follow the instructions for [[how to upgrade image>>path:#H2.10200BFirmwareChangeLog]].
++
++You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]].
  When downloading the images, choose the required image file for download.
--
  = 7. Trouble Shooting =
--== 7.1 AT Commands input doesn’t work ==
++== 7.1 AT Commands input doesn't work ==
--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.
++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.
  = 8. Order Info =
++
  Part Number: (% style="color:blue" %)**LSPH01-XX**
@@ -1177,7 +1177,6 @@
  = 10. 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.
  * 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]].
--
--

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	1	+XWiki.Xiaoling

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