Changes for page DS20L -- LoRaWAN Smart Distance Detector User Manual 01

Last modified by Mengting Qiu on 2023/12/14 11:15

From 79.11 to 79.12 From 80.4 to 80.5

From version 79.12

edited by Xiaoling
on 2023/06/13 15:02

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To version 80.4

edited by Xiaoling
on 2023/06/14 16:21

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Title

@@ -1,1 +1,1 @@
--DDS20-LB -- LoRaWAN Ultrasonic Liquid Level Sensor User Manual
++LDS12-LB -- LoRaWAN LiDAR ToF Distance Sensor User Manual

Content

@@ -1,5 +1,5 @@
  (% style="text-align:center" %)
--[[image:image-20230613133716-2.png||height="717" width="717"]]
++[[image:image-20230614153353-1.png]]
@@ -7,7 +7,6 @@
--
  **Table of Contents：**
  {{toc/}}
@@ -19,22 +19,22 @@
  = 1. Introduction =
--== 1.1 What is LoRaWAN Ultrasonic liquid level Sensor ==
++== 1.1 What is LoRaWAN LiDAR ToF Distance Sensor ==
--The Dragino DDS20-LB is a (% style="color:blue" %)**LoRaWAN Ultrasonic liquid level sensor**(%%) for Internet of Things solution. It uses (% style="color:blue" %)**none-contact method **(%%)to measure the (% style="color:blue" %)**height of liquid**(%%) in a container without opening the container, and send the value via LoRaWAN network to IoT Server.
++The Dragino LDS12-LB is a (% style="color:blue" %)**LoRaWAN LiDAR ToF (Time of Flight) Distance Sensor**(%%) for Internet of Things solution. It is capable to measure the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)!. The LiDAR probe uses laser induction technology for distance measurement.
--The DDS20-LB sensor is installed directly below the container to detect the height of the liquid level. User doesn't need to open a hole on the container to be tested. The none-contact measurement makes the measurement safety, easier and possible for some strict situation.
++The LDS12-LB can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
--DDS20-LB uses (% style="color:blue" %)**ultrasonic sensing technology**(%%) for distance measurement. DDS20-LB is of high accuracy to measure various liquid such as: (% style="color:blue" %)**toxic substances**(%%), (% style="color:blue" %)**strong acids**(%%), (% style="color:blue" %)**strong alkalis**(%%) and (% style="color:blue" %)**various pure liquids**(%%) in high-temperature and high-pressure airtight containers.
++It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
--The LoRa wireless technology used in DDS20-LB 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.
++The LoRa wireless technology used in LDS12-LB 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.
--DDS20-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
++LDS12-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
--DDS20-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
++LDS12-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
--Each DDS20-LB 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.
++Each LDS12-LB 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.
  [[image:image-20230613140115-3.png||height="453" width="800"]]
@@ -57,6 +57,7 @@
  * IP66 Waterproof Enclosure
  * 8500mAh Battery for long term use
++
  == 1.3 Specification ==
@@ -85,6 +85,7 @@
  * Sleep Mode: 5uA @ 3.3v
  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
++
  == 1.4 Suitable Container & Liquid ==
@@ -93,20 +93,23 @@
  * Container Thickness:
  ** Pure metal material.  2~~8mm, best is 3~~5mm
  ** Pure non metal material: <10 mm
--* Pure liquid without irregular deposition.(% style="display:none" %)
++* Pure liquid without irregular deposition.
--== 1.5 Install DDS20-LB ==
++(% style="display:none" %)
--(% style="color:blue" %)**Step 1**(%%):   Choose the installation point.
++== 1.5 Install LDS12-LB ==
--DDS20-LB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
++(% style="color:blue" %)**Step 1**(%%):  ** Choose the installation point.**
++
++LDS12-LB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
++
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615091045-3.png?rev=1.1||alt="image-20220615091045-3.png"]]
  (((
--(% style="color:blue" %)**Step 2**(%%):   Polish the installation point.
++(% style="color:blue" %)**Step 2**(%%):   **Polish the installation point.**
  )))
  (((
@@ -122,28 +122,28 @@
  (((
--(% style="color:blue" %)**Step3:   **(%%)Test the installation point.
++(% style="color:blue" %)**Step3:   **(%%)**Test the installation point.**
  )))
  (((
--Power on DDS20-LB, check if the blue LED is on, If the blue LED is on, means the sensor works. Then put ultrasonic coupling paste on the sensor and put it tightly on the installation point.
++Power on LDS12-LB, check if the blue LED is on, If the blue LED is on, means the sensor works. Then put ultrasonic coupling paste on the sensor and put it tightly on the installation point.
  )))
  (((
--It is necessary to put the coupling paste between the sensor and the container, otherwise DDS20-LB won't detect the liquid level.
++It is necessary to put the coupling paste between the sensor and the container, otherwise LDS12-LB won't detect the liquid level.
  )))
  (((
--After paste the DDS20-LB well, power on DDS20-LB. In the first 30 seconds of booting, device will check the sensors status and BLUE LED will show the status as below. After 30 seconds, BLUE LED will be off to save battery life.
++After paste the LDS12-LB well, power on LDS12-LB. In the first 30 seconds of booting, device will check the sensors status and BLUE LED will show the status as below. After 30 seconds, BLUE LED will be off to save battery life.
  )))
  (((
--(% style="color:red" %)**LED Status:**
++(% style="color:blue" %)**LED Status:**
  )))
  * (((
--Onboard LED: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
++**Onboard LED**: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
  )))
  * (((
@@ -154,21 +154,17 @@
  )))
  (((
--LDDS20 will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
++LDS12-LB will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
  )))
  (((
--(% style="color:red" %)**Note 2:**
++(% style="color:red" %)**Note :**(%%)** (% style="color:blue" %)Ultrasonic coupling paste(%%)**(% style="color:blue" %) (%%) is subjected in most shipping way. So the default package doesn't include it and user needs to purchase locally.
  )))
--(((
--(% style="color:red" %)**Ultrasonic coupling paste** (%%) is subjected in most shipping way. So the default package doesn't include it and user needs to purchase locally.
--)))
--
  (((
--(% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
++(% style="color:blue" %)**Step4:   **(%%)**Install use Epoxy ab glue.**
  )))
  (((
@@ -180,7 +180,7 @@
  )))
  (((
--Reset DDS20-LB and see if the BLUE LED is slowly blinking.
++Reset LDS12-LB and see if the BLUE LED is slowly blinking.
  )))
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615091045-8.png?width=341&height=203&rev=1.1||alt="image-20220615091045-8.png"]]      [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615091045-9.png?width=284&height=200&rev=1.1||alt="image-20220615091045-9.png"]]
@@ -187,11 +187,13 @@
  (((
--(% style="color:red" %)**Note 1:**(%%)** (% style="color:blue" %)Eproxy AB glue(%%)** needs 3~~ 5 minutes to stable attached. we can use other glue material to keep it in the position.
++(% style="color:red" %)**Note :**
++
++(% style="color:red" %)**1:**(%%)** (% style="color:blue" %)Eproxy AB glue(%%)** needs 3~~ 5 minutes to stable attached. we can use other glue material to keep it in the position.
  )))
  (((
--(% style="color:red" %)**Note 2:**(%%)** (% style="color:blue" %)Eproxy AB glue(%%)** is subjected in most shipping way. So the default package doesn't include it and user needs to purchase locally.
++(% style="color:red" %)**2:**(%%)** (% style="color:blue" %)Eproxy AB glue(%%)** is subjected in most shipping way. So the default package doesn't include it and user needs to purchase locally.
  )))
@@ -198,10 +198,11 @@
  == 1.6 Applications ==
--* Smart liquid control solution.
++* Smart liquid control solution
--* Smart liquefied gas solution.
++* Smart liquefied gas solution
++
  == 1.7 Precautions ==
@@ -209,8 +209,10 @@
  * For containers of the same material at room temperature, the detection blind zone and detection limit height are also different for the thickness of the container.
--* When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.(% style="display:none" %)
++* When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.
++(% style="display:none" %)
++
  == 1.8 Sleep mode and working mode ==
@@ -238,10 +238,11 @@
  )))
  |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
++
  == 1.10 BLE connection ==
--DDS20-LB support BLE remote configure.
++LDS12-LB support BLE remote configure.
  BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:
@@ -277,12 +277,12 @@
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615090910-2.png?rev=1.1||alt="image-20220615090910-2.png"]]
--= 2. Configure DDS20-LB to connect to LoRaWAN network =
++= 2. Configure LDS12-LB to connect to LoRaWAN network =
  == 2.1 How it works ==
--The DDS20-LB is configured as (% style="color:#037691" %)**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 press the button to activate the DDS20-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
++The LDS12-LB is configured as (% style="color:#037691" %)**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 press the button to activate the LDS12-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
  (% style="display:none" %) (%%)
@@ -296,9 +296,9 @@
  [[image:image-20230613140140-4.png||height="453" width="800"]](% style="display:none" %)
--(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS20-LB.
++(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB.
--Each DDS20-LB is shipped with a sticker with the default device EUI as below:
++Each LDS12-LB is shipped with a sticker with the default device EUI as below:
  [[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
@@ -327,10 +327,10 @@
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]]
--(% style="color:blue" %)**Step 2:**(%%) Activate on DDS20-LB
++(% style="color:blue" %)**Step 2:**(%%) Activate on LDS12-LB
--Press the button for 5 seconds to activate the DDS20-LB.
++Press the button for 5 seconds to activate the LDS12-LB.
  (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
@@ -341,7 +341,7 @@
  (((
--DDS20-LB will uplink payload via LoRaWAN with below payload format:
++LDS12-LB will uplink payload via LoRaWAN with below payload format:
  )))
  (((
@@ -352,7 +352,7 @@
  |=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)(((
  **Size(bytes)**
  )))|=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="background-color:#D9E2F3;color:#0070C0" %)1|=(% style="background-color:#D9E2F3;color:#0070C0" %)2|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
--|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
++|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
  [[Distance>>||anchor="H2.3.2A0Distance"]]
  (unit: mm)
  )))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
@@ -365,7 +365,7 @@
  === 2.3.1  Battery Info ===
--Check the battery voltage for DDS20-LB.
++Check the battery voltage for LDS12-LB.
  Ex1: 0x0B45 = 2885mV
@@ -389,6 +389,7 @@
  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
++
  === 2.3.3  Interrupt Pin ===
@@ -435,7 +435,7 @@
  The payload decoder function for TTN V3 is here:
  (((
--DDS20-LB TTN V3 Payload Decoder:  [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
++LDS12-LB TTN V3 Payload Decoder:  [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
  )))
@@ -442,7 +442,7 @@
  == 2.4  Uplink Interval ==
--The DDS20-LB 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>>||anchor="H3.3.1SetTransmitIntervalTime"]]
++The LDS12-LB 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>>||anchor="H3.3.1SetTransmitIntervalTime"]]
  == 2.5  Show Data in DataCake IoT Server ==
@@ -470,7 +470,7 @@
  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
--(% style="color:blue" %)**Step 4**(%%)**: Search the DDS20-LB and add DevEUI.**
++(% style="color:blue" %)**Step 4**(%%)**: Search the LDS12-LB and add DevEUI.**
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
@@ -480,23 +480,22 @@
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png"]]
--
  == 2.6 Datalog Feature ==
--Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DDS20-LB will store the reading for future retrieving purposes.
++Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LDS12-LB will store the reading for future retrieving purposes.
  === 2.6.1 Ways to get datalog via LoRaWAN ===
--Set PNACKMD=1, DDS20-LB will wait for ACK for every uplink, when there is no LoRaWAN network,DDS20-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
++Set PNACKMD=1, LDS12-LB will wait for ACK for every uplink, when there is no LoRaWAN network,LDS12-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
  * (((
--a) DDS20-LB will do an ACK check for data records sending to make sure every data arrive server.
++a) LDS12-LB will do an ACK check for data records sending to make sure every data arrive server.
  )))
  * (((
--b) DDS20-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but DDS20-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if DDS20-LB gets a ACK, DDS20-LB will consider there is a network connection and resend all NONE-ACK messages.
++b) LDS12-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but LDS12-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if LDS12-LB gets a ACK, LDS12-LB will consider there is a network connection and resend all NONE-ACK messages.
  )))
  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
@@ -507,7 +507,7 @@
  === 2.6.2 Unix TimeStamp ===
--DDS20-LB uses Unix TimeStamp format based on
++LDS12-LB uses Unix TimeStamp format based on
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-11.png?width=627&height=97&rev=1.1||alt="图片-20220523001219-11.png" height="97" width="627"]]
@@ -526,7 +526,7 @@
  User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
--Once DDS20-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DDS20-LB. If DDS20-LB fails to get the time from the server, DDS20-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
++Once LDS12-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LDS12-LB. If LDS12-LB fails to get the time from the server, LDS12-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
  (% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
@@ -554,7 +554,7 @@
  )))
  (((
--Uplink Internal =5s，means DDS20-LB will send one packet every 5s. range 5~~255s.
++Uplink Internal =5s，means LDS12-LB will send one packet every 5s. range 5~~255s.
  )))
@@ -561,17 +561,17 @@
  == 2.7 Frequency Plans ==
--The DDS20-LB 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.
++The LDS12-LB 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.
  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
--= 3. Configure DDS20-LB =
++= 3. Configure LDS12-LB =
  == 3.1 Configure Methods ==
--DDS20-LB supports below configure method:
++LDS12-LB supports below configure method:
  * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
@@ -579,6 +579,7 @@
  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
++
  == 3.2 General Commands ==
@@ -593,10 +593,10 @@
  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
--== 3.3 Commands special design for DDS20-LB ==
++== 3.3 Commands special design for LDS12-LB ==
--These commands only valid for DDS20-LB, as below:
++These commands only valid for LDS12-LB, as below:
  === 3.3.1 Set Transmit Interval Time ===
@@ -639,6 +639,9 @@
  )))
  * (((
  Example 2: Downlink Payload: 0100003C      ~/~/ Set Transmit Interval (TDC) = 60 seconds
++
++
++
  )))
  === 3.3.2 Set Interrupt Mode ===
@@ -675,10 +675,11 @@
  * Example 2: Downlink Payload: 06000003      ~/~/   Set the interrupt mode to rising edge trigger
++
  = 4. Battery & Power Consumption =
--DDS20-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
++LDS12-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
  [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
@@ -687,7 +687,7 @@
  (% class="wikigeneratedid" %)
--User can change firmware DDS20-LB to:
++User can change firmware LDS12-LB to:
  * Change Frequency band/ region.
@@ -699,45 +699,45 @@
  Methods to Update Firmware:
--* (Recommanded way) OTA firmware update via wireless:  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]
++* (Recommanded way) OTA firmware update via wireless:  **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]**
  * Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
++
  = 6. FAQ =
--== 6.1  What is the frequency plan for DDS20-LB? ==
++== 6.1 What is the frequency plan for LDS12-LB? ==
--DDS20-LB use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
++LDS12-LB use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
--== 6.2  Can I use DDS20-LB in condensation environment? ==
++= 7. Trouble Shooting =
++== 7.1 AT Command input doesn't work ==
--DDS20-LB is not suitable to be used in condensation environment. Condensation on the DDS20-LB probe will affect the reading and always got 0.
++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:blue" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:blue" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
--= 7.  Trouble Shooting =
--== 7.1  Why I can't join TTN V3 in US915 / AU915 bands? ==
++== 7.2 Significant error between the output distant value of LiDAR and actual distance ==
--It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
++(((
++(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.)
++)))
++(((
++Troubleshooting: Please avoid use of this product under such circumstance in practice.
++)))
--== 7.2  AT Command 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:blue" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:blue" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
--
--
--== 7.3  Why i always see 0x0000 or 0 for the distance value? ==
--
--
  (((
--LDDS20 has a strict [[**installation requirement**>>||anchor="H1.5A0InstallLDDS20"]]. Please make sure the installation method exactly follows up with the installation requirement. Otherwise, the reading might be always 0x00.
++(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
++)))
--If you have followed the instruction requirement exactly but still see the 0x00 reading issue, please. please double-check the decoder, you can check the raw payload to verify.
++(((
++Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
  )))
@@ -744,7 +744,7 @@
  = 8. Order Info =
--Part Number: (% style="color:blue" %)**DDS20-LB-XXX**
++Part Number: (% style="color:blue" %)**LDS12-LB-XXX**
  (% style="color:red" %)**XXX**(%%): **The default frequency band**
@@ -770,7 +770,7 @@
  (% style="color:#037691" %)**Package Includes**:
--* DDS20-LB LoRaWAN Ultrasonic Liquid Level Sensor x 1
++* LDS12-LB LoRaWAN LiDAR ToF Distance Sensor x 1
  (% style="color:#037691" %)**Dimension and weight**:

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