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Last modified by Mengting Qiu on 2024/09/05 17:35

From 86.5 to 86.4 From 101.8 to 101.7

From version 101.7

edited by Xiaoling
on 2023/10/10 10:44

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To version 86.5

edited by Xiaoling
on 2023/09/12 10:52

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Title

@@ -1,1 +1,1 @@
--SW3L-NB -- NB-IoT Flow Sensor User Manual
++DDS45-NB -- NB-IoT Distance Detection Sensor User Manual

Content

@@ -1,5 +1,5 @@
  (% style="text-align:center" %)
--[[image:image-20231010090810-1.png||height="518" width="839"]]
++[[image:image-20230912085600-1.png||height="519" width="731"]]
@@ -8,6 +8,7 @@
++
  **Table of Contents:**
  {{toc/}}
@@ -19,37 +19,38 @@
  = 1. Introduction =
--== 1.1 What is SW3L-NB NB-IoT Flow Sensor ==
++== 1.1 What is DDS45-NB NB-IoT Distance Detection Sensor ==
--The Dragino SW3L-NB is a (% style="color:blue" %)**NB-IoT Flow Sensor**(%%). It detects water flow volume and uplink to IoT server via NB-IoT network. User can use this to (% style="color:blue" %)**monitor the water usage for buildings**.
++The Dragino DDS45-NB is a (% style="color:blue" %)** NB-IoT Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:blue" %)** ultrasonic sensing technology**(%%) for distance measurement, and (% style="color:blue" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The DDS45-NB can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
--The SW3L-NB will send water flow volume every 20 minutes. It can also detect the (% style="color:blue" %)**water flow status and send Alarm**(%%), to avoid the waste for water usage such as broken toilet case.
++It detects the distance (% style="color:blue" %)** between the measured object and the sensor**(%%), and and send IoT platform via NB-IoT network.
--SW3L-NB is designed for both indoor and outdoor use. It has a weatherproof enclosure and industrial level battery to (% style="color:blue" %)**work in low to high temperatures**.
++DDS45-NB supports different uplink methods including (% style="color:blue" %)**MQTT, MQTTs, UDP & TCP**(%%) for different application requirement, and support uplinks to various IoT Servers.
--SW3L-NB supports different uplink methods including (% style="color:blue" %)**MQTT, MQTTs, UDP & TCP**(%%) for different application requirement, and support uplinks to various IoT Servers.
++DDS45-NB (% style="color:blue" %)**supports BLE configure **(%%)and(% style="color:blue" %)** OTA update**(%%) which make user easy to use.
--SW3L-NB (% style="color:blue" %)**supports BLE configure **(%%)and(% style="color:blue" %)** OTA update**(%%) which make user easy to use.
++DDS45-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use up to severa years.
--SW3L-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use up to several years.
++DDS45-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.
--SW3L-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.
++[[image:image-20230912102813-2.png||height="320" width="923"]]
--[[image:image-20231010091546-2.png||height="348" width="909"]]
--
  == 1.2 Features ==
  * NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD
  * Ultra-low power consumption
--* Upload water flow volume
--* Monitor water waste
++* Distance Detection by Ultrasonic technology
++* Flat object range 30mm - 4500mm
++* Accuracy: ±(1cm+S*0.3%) (S: Distance)
++* Measure Angle: 60°
  * Multiply Sampling and one uplink
  * Support Bluetooth v5.1 remote configure and update firmware
  * Uplink on periodically
  * Downlink to change configure
++* IP66 Waterproof Enclosure
  * 8500mAh Battery for long term use
  * Nano SIM card slot for NB-IoT SIM
@@ -98,40 +98,66 @@
  * STOP Mode: 10uA @ 3.3v
  * Max transmit power: 350mA@3.3v
--(% class="wikigeneratedid" id="H1.4Ratedenvironmentalconditions" %)
--(% style="display:none" %) (%%)
++== 1.4 Rated environmental conditions ==
--== 1.4 Flow Sensor Spec ==
++(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
++|(% style="background-color:#4f81bd; color:white; width:163px" %)**Item**|(% style="background-color:#4f81bd; color:white; width:90px" %)**Minimum value**|(% style="background-color:#4f81bd; color:white; width:70px" %)**Typical value**|(% style="background-color:#4f81bd; color:white; width:87px" %)**Maximum value**|(% style="background-color:#4f81bd; color:white; width:40px" %)**Unit**|(% style="background-color:#4f81bd; color:white; width:50px" %)**Remarks**
++|(% style="width:174px" %)Storage temperature|(% style="width:86px" %)-25|(% style="width:66px" %)25|(% style="width:90px" %)80|(% style="width:48px" %)℃|(% style="width:203px" %)
++|(% style="width:174px" %)Storage humidity|(% style="width:86px" %) |(% style="width:66px" %)65%|(% style="width:90px" %)90%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
++|(% style="width:174px" %)Operating temperature|(% style="width:86px" %)-15|(% style="width:66px" %)25|(% style="width:90px" %)60|(% style="width:48px" %)℃|(% style="width:203px" %)
++|(% style="width:174px" %)Working humidity|(% style="width:86px" %)(((
++
++
++)))|(% style="width:66px" %)65%|(% style="width:90px" %)80%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
++
  (((
--(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
--|=(% style="width: 80px;background-color:#D9E2F3;color:#0070C0" %)**Model**|=(% style="width: 80px;background-color:#D9E2F3;color:#0070C0" %)**Probe**|=(% style="width: 80px;background-color:#D9E2F3;color:#0070C0" %)**Diameter**|=(% style="width: 80px;background-color:#D9E2F3;color:#0070C0" %)**Range**|=(% style="width: 80px;background-color:#D9E2F3;color:#0070C0" %)**Max Pressure**|=(% style="width: 110px;background-color:#D9E2F3;color:#0070C0" %)**Measure**
--|(% style="width:88px" %)SW3L-004|(% style="width:75px" %)DW-004|(% style="width:107px" %)G1/2" /DN15|(% style="width:101px" %)1~~30L/min|(% style="width:116px" %)≤ 2.0Mpa|(% style="width:124px" %)450 pulse = 1 L
--|(% style="width:88px" %)SW3L-006|(% style="width:75px" %)DW-006|(% style="width:107px" %)G3/4" /DN20|(% style="width:101px" %)1~~60L/min|(% style="width:116px" %)≤ 1.2Mpa|(% style="width:124px" %)390 pulse = 1 L
--|(% style="width:88px" %)SW3L-010|(% style="width:75px" %)DW-010|(% style="width:107px" %)G 1" /DN25|(% style="width:101px" %)2~~100L/min|(% style="width:116px" %)≤ 2.0Mpa|(% style="width:124px" %)64 pulse = 1 L
++(% style="color:red" %)**Remarks: (1)  a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
++
++(% style="color:red" %)**                       b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
++
++
  )))
++== 1.5 Effective measurement range Reference beam pattern ==
--== 1.5 Applications ==
++(% style="color:blue" %)**1. The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
--* Flow Sensor application
--* Water Control
--* Toilet Flow Sensor
--* Monitor Waste water
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852253176-749.png?rev=1.1||alt="1654852253176-749.png"]]
--== 1.6 Sleep mode and working mode ==
++(% style="color:blue" %)**2. The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
--(% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any NB-IoT activate. This mode is used for storage and shipping to save battery life.
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852175653-550.png?rev=1.1||alt="1654852175653-550.png"]]
--(% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as NB-IoT Sensor to Join NB-IoT network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
++== 1.6 Applications ==
--== 1.7 Button & LEDs ==
++* Horizontal distance measurement
++* Liquid level measurement
++* Parking management system
++* Object proximity and presence detection
++* Intelligent trash can management system
++* Robot obstacle avoidance
++* Automatic control
++* Sewer
++* Bottom water level monitoring
++
++== 1.7 Sleep mode and working mode ==
++
++
++(% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
++
++(% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
++
++
++== 1.8 Button & LEDs ==
++
++
  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
@@ -148,10 +148,10 @@
  )))
  |(% 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.
--== 1.8 BLE connection ==
++== 1.10 BLE connection ==
--DDS45-NB support BLE remote configure and firmware update.
++DDS20-NB support BLE remote configure and firmware update.
  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:
@@ -163,19 +163,19 @@
  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
--== 1.9 Pin Definitions & Switch ==
++== 1.11 Pin Definitions & Switch ==
  [[image:image-20230819104805-5.png]]
--=== 1.10.1 Jumper JP2 ===
++=== 1.11.1 Jumper JP2 ===
  Power on Device when put this jumper.
--=== 1.10.2 BOOT MODE / SW1 ===
++=== 1.11.2 BOOT MODE / SW1 ===
  **1)** (% style="color:blue" %)**ISP**(%%): upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.
@@ -183,7 +183,7 @@
  **2)** (% style="color:blue" %)**Flash**(%%): work mode, device starts to work and send out console output for further debug
--=== 1.10.3 Reset Button ===
++=== 1.11.3 Reset Button ===
  Press to reboot the device.
@@ -191,8 +191,9 @@
  (% style="display:none" %)
--== 1.11 Mechanical ==
++== 1.12 Mechanical ==
++
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143884058-338.png?rev=1.1||alt="1675143884058-338.png"]]
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143899218-599.png?rev=1.1||alt="1675143899218-599.png"]]
@@ -200,42 +200,30 @@
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143909447-639.png?rev=1.1||alt="1675143909447-639.png"]]
++(% style="color:blue" %)**Probe Mechanical:**
--**Probe Mechanical:**
++[[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-20220615090910-1.png?rev=1.1||alt="image-20220615090910-1.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-20220615090910-2.png?rev=1.1||alt="image-20220615090910-2.png"]]
--(% style="color:blue" %)**DW-004 Flow Sensor: diameter: G1/2” / DN15.  450 pulse = 1 L**
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SW3L%20LoRaWAN%20Outdoor%20Flow%20Sensor/WebHome/image-20220519091350-1.png?width=722&height=385&rev=1.1||alt="image-20220519091350-1.png"]]
++= 2. Use DDS20-NB to communicate with IoT Server =
--
--(% style="color:blue" %)**006: DW-006 Flow Sensor: diameter: G3/4” / DN20.  390 pulse = 1 L**
--
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SW3L%20LoRaWAN%20Outdoor%20Flow%20Sensor/WebHome/image-20220519091423-2.png?width=723&height=258&rev=1.1||alt="image-20220519091423-2.png"]]
--
--
--(% style="color:blue" %)**010: DW-010 Flow Sensor: diameter: G 1” / DN25.   64 pulse = 1 L**
--
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SW3L%20LoRaWAN%20Outdoor%20Flow%20Sensor/WebHome/image-20220519091423-3.png?width=724&height=448&rev=1.1||alt="image-20220519091423-3.png"]]
--
--
--= 2. Use DDS45-NB to communicate with IoT Server =
--
  == 2.1 Send data to IoT server via NB-IoT network ==
--The DDS45-NB is equipped with a NB-IoT module, the pre-loaded firmware in DDS45-NB will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module.  The NB-IoT network will forward this value to IoT server via the protocol defined by DDS45-NB.
++The DDS20-NB is equipped with a NB-IoT module, the pre-loaded firmware in DDS20-NB will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module.  The NB-IoT network will forward this value to IoT server via the protocol defined by DDS20-NB.
  Below shows the network structure:
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SW3L-NB_NB-IoT_Flow_Sensor_User_Manual/WebHome/image-20231010091546-2.png?width=909&height=348&rev=1.1||alt="image-20231010091546-2.png"]]
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS45-NB_NB-IoT_Distance_Detection_Sensor_User_Manual/WebHome/image-20230912102813-2.png?width=923&height=320&rev=1.1||alt="image-20230912102813-2.png"]]
  There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of DDS45-NB.
--(% style="color:blue" %)**GE Version**(%%): This version doesn't include SIM card or point to any IoT server. User needs to use AT Commands to configure below two steps to set DDS45-NB send data to IoT server.
++(% style="color:blue" %)**GE Version**(%%): This version doesn't include SIM card or point to any IoT server. User needs to use AT Commands to configure below two steps to set DDS20-NB send data to IoT server.
  * Install NB-IoT SIM card and configure APN. See instruction of [[Attach Network>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H2.AttachNetwork]].
@@ -265,13 +265,13 @@
  [[image:image-20230819113244-11.png||height="141" width="367"]]
  )))|(% style="width:170px" %)
--(% style="color:blue" %)**1D Version**(%%): This version has 1NCE SIM card pre-installed and configure to send value to DataCake. User Just need to select the sensor type in DataCake and Activate DDS45-NB and user will be able to see data in DataCake. See here for [[DataCake Config Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.4Datacake]].
++(% style="color:blue" %)**1D Version**(%%): This version has 1NCE SIM card pre-installed and configure to send value to DataCake. User Just need to select the sensor type in DataCake and Activate DDS20-NB and user will be able to see data in DataCake. See here for [[DataCake Config Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.4Datacake]].
  == 2.2 Payload Types ==
--To meet different server requirement, DDS45-NB supports different payload type.
++To meet different server requirement, DDS20-NB supports different payload type.
  **Includes:**
@@ -297,17 +297,14 @@
  This is the General Json Format. As below:
--(% style="color:#4472c4" %)**{"IMEI":"866207058378443","Model":"DDS45-NB","distance":217,"battery":3.54,"signal":24,"1":{221,2023/09/20 09:47:01},"2":{0,2023/09/20 09:15:04},"3":{0,2023/09/20 09:00:04},"4":{0,2023/09/20 08:45:03},"5":{0,2023/09/20 08:30:03},"6":{0,2023/09/20 08:15:03},"7":{0,2023/09/20 08:00:04},"8":{0,2023/09/20 07:45:04}}**
++(% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24,"Model":DDS20-NB, "1":{28.2,48.3,2023/08/10 08:00:37},"2":{28.1,49.1,2023/08/10 07:57:37},"3":{28.1,48.5,2023/08/10 07:54:37},"4":{28.2,48.6,2023/08/10 07:51:37},"5":{28.1,48.9,2023/08/10 07:48:37},"6":{28.2,48.8,2023/08/10 07:45:37},"7":{28.2,48.8,2023/08/10 07:42:37},"8":{28.0,48.8,2023/08/10 07:39:37}}**
--[[image:image-20230920175015-3.png||height="613" width="890"]]
--
--
  (% style="color:red" %)**Notice, from above payload:**
--* Distance , Battery & Signal are the value at uplink time.
++* Temperature , Humidity , Battery & Signal are the value at uplink time.
--* Json entry 1 ~~ 8 are the last 1 ~~ 8 sampling data as specify by (% style="color:#037691" %)**AT+NOUD=8 ** (%%)Command. Each entry includes (from left to right): Distance, Sampling time.
++* Json entry 1 ~~ 8 are the last 1 ~~ 8 sampling data as specify by (% style="color:#037691" %)**AT+NOUD=8 ** (%%)Command. Each entry includes (from left to right): Temperature, Humidity, Sampling time.
  === 2.2.2 HEX format Payload(Type~=0) ===
@@ -314,28 +314,23 @@
  This is the HEX Format. As below:
--(% style="color:#4472c4" %)**f8662070583784430b640dda15010003a4650abc400000650ab8180000650ab4940000650ab10f0000650aad8b0000650aaa070000650aa6840000650aa3000000650a9308**
++(% style="color:#4472c4" %)**f86620705346276200640cba16010000000011011801e864d49c2d011a01e364d49925011901eb64d49871011901e564d497bd011a01e664d49709011901e964d49655011a01e864d495a1011a01e864d494ed011801e864d49439**
--[[image:image-20230920172200-1.png||height="191" width="1047"]]
++[[image:1692424009971-458.png]]
--If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.
--
--[[image:image-20230920173352-2.png||height="636" width="919"]]
--
--
  (% style="color:blue" %)**Version:**
  These bytes include the hardware and software version.
--(% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x0b for DDS45-NB
++(% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x00 for DDS20-NB
--(% style="color:#037691" %)**Lower byte:**(%%) Specify the software version: 0x64=100, means firmware version 1.0.0
++(% style="color:#037691" %)**Lower byte:**(%%) Specify the software version: 0x64=100, means firmware version 100
  (% style="color:blue" %)**BAT (Battery Info):**
--Ex1: 0x0dda = 3546mV
++Ex1: 0x0CBA = 3258mV
  (% style="color:blue" %)**Signal Strength:**
@@ -342,7 +342,7 @@
  NB-IoT Network signal Strength.
--**Ex1: 0x15 = 21**
++**Ex1: 0x16 = 22**
  **0**        -113dBm or less
@@ -355,78 +355,60 @@
  **99**      Not known or not detectable
--(% style="color:blue" %)**Distance:  **
++(% style="color:blue" %)**TimeStamp:   **
--Ex1: 0x03a4 = 932 mm
++Unit TimeStamp Example: 64d49439(H) = 1691653177(D)
++Put the decimal value into this link(https:~/~/www.epochconverter.com/) to get the time.
--(% style="color:blue" %)**Timestamp:   **
--Unit Timestamp Example: 650abc40(H) = 1695202368(D)
--
--Put the decimal value into this link([[https:~~/~~/www.epochconverter.com)>>https://www.epochconverter.com]]) to get the time.
--
--
  === 2.2.3 ThingsBoard Payload(Type~=3) ===
  Type3 payload special design for ThingsBoard, it will also configure other default server to ThingsBoard.
--(% style="color:#4472c4" %)** {"IMEI": "866207058378443","Model": "DDS45-NB","distance": 502,"battery": 3.57,"signal": 23}**
++(% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24}**
--[[image:image-20230922094043-2.png||height="558" width="851"]]
--
--===   ===
--
  === 2.2.4 ThingSpeak Payload(Type~=1) ===
--This payload meets ThingSpeak platform requirement. It includes only four fields. Form 1~~3 are:
++This payload meets ThingSpeak platform requirement. It includes only four fields. Form 1~~4 are:
--Distance, Battery & Signal. This payload type only valid for ThingsSpeak Platform
++Temperature, Humidity, Battery & Signal. This payload type only valid for ThingsSpeak Platform
  As below:
--(% style="color:#4472c4" %)**field1=Distance value&field2=Battery value&field3=Singal value**
++(% style="color:#4472c4" %)**field1=27.9&field2=49.9&field3=3.23&field4=28**
--[[image:image-20230921104741-1.png||height="565" width="826"]]
--
  == 2.3  Uplink Payload ==
  (((
--DDS45-NB will uplink payload via LoRaWAN with below payload format:
++DDS20-NB will uplink payload via LoRaWAN with below payload format:
  )))
  (((
--Uplink payload includes in total 21 bytes.
++Uplink payload includes in total 8 bytes.
  )))
  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
--|=(% style="width: 95px; background-color:#4F81BD;color:white" %)Size(bytes)|=(% style="width: 61px; background-color:#4F81BD;color:white" %)8|=(% style="width: 61px; background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)1|=(% style="background-color: rgb(79, 129, 189); color: white; width: 49px;" %)1|=(% style="background-color: rgb(79, 129, 189); color: white; width: 79px;" %)1|=(% style="background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)4
--|(% style="width:95px" %)Value|(% style="width:61px" %)f+IMEI|(% style="width:61px" %)Ver|(% style="width:61px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:61px" %)(((
--Singal
++|=(% style="width: 95px; background-color:#4F81BD;color:white" %)Size(bytes)|=(% style="width: 61px; background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)1|=(% style="background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)1
++|(% style="width:95px" %)Value|(% style="width:61px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
++[[Distance>>||anchor="H2.3.2A0Distance"]]
++(unit: mm)
++)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
++[[Temperature (Optional)>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
++)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
--Strength
--)))|(% style="width:49px" %)Mod|(% style="width:79px" %)[[Digital Interrupt >>||anchor="H2.3.2A0Interrupt"]]|(% style="width:61px" %)[[Distance>>||anchor="H2.3.3A0Distance"]](unit: mm)|(% style="width:61px" %)(((
--Timestamp
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS20-LB_LoRaWAN_Ultrasonic_Liquid_Level_Sensor_User_Manual/WebHome/%E5%BE%AE%E4%BF%A1%E6%88%AA%E5%9B%BE_20230702135733.png?width=964&height=215&rev=1.1||alt="微信截图_20230702135733.png"]]
--
--)))
--If the cache upload mechanism is turned on, you will receive the payload shown in the figure below.
--
--(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:512px" %)
--|(% style="width:115px" %)**Frame header**|(% style="width:118px" %)**Frame data(1)**|(% style="width:116px" %)**Frame data(2)**|(% style="width:39px" %)**F…**|(% style="width:117px" %)**Frame data(X)**
--
--===   ===
--
  === 2.3.1  Battery Info ===
--Check the battery voltage for DDS45-NB.
++Check the battery voltage for DDS20-NB.
  Ex1: 0x0B45 = 2885mV
@@ -433,9 +433,26 @@
  Ex2: 0x0B49 = 2889mV
--=== 2.3.2  Interrupt ===
++=== 2.3.2  Distance ===
++(((
++Get the distance. Flat object range 20mm - 2000mm.
++)))
++
++(((
++For example, if the data you get from the register is **0x06 0x05**, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** **
++
++(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
++)))
++
++* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
++
++* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
++
++=== 2.3.3  Interrupt Pin ===
++
++
  This data field shows if this packet is generated by interrupt or not.
  **Example:**
@@ -445,24 +445,28 @@
 x01: Interrupt Uplink Packet.
--=== 2.3.3  Distance ===
++=== 2.3.4  DS18B20 Temperature sensor ===
--(((
--Get the distance. Flat object range 30mm - 4500mm.
--)))
++This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
--(((
--For example, if the data you get from the register is **0x0B 0x05**, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** **
++**Example**:
--(% style="color:blue" %)**0B05(H) = 2821 (D) = 2821 mm.**
--)))
++If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
--* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
++If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
--* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
++=== 2.3.5  Sensor Flag ===
++
++
  (((
++0x01: Detect Ultrasonic Sensor
++)))
++
++(((
++0x00: No Ultrasonic Sensor
++
  )))
@@ -481,7 +481,7 @@
  == 2.5 Multi-Samplings and One uplink ==
--To save battery life, DDS45-NB will sample Distance data every 15 minutes and send one uplink every 2 hours. So each uplink it will include 8 stored data + 1 real-time data. They are defined by:
++To save battery life, DDS20-NB will sample temperature & humidity data every 15 minutes and send one uplink every 2 hours. So each uplink it will include 8 stored data + 1 real-time data. They are defined by:
  * (% style="color:#037691" %)**AT+TR=900**   (%%)     ~/~/ The unit is seconds, and the default is to record data once every 900 seconds (15 minutes, the minimum can be set to 180 seconds)
@@ -495,7 +495,7 @@
  == 2.6 Trggier an uplink by external interrupt ==
--DDS45-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets.
++DDS20-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets.
  (% style="color:blue" %)**AT command:**
@@ -509,12 +509,12 @@
  * (% style="color:#037691" %)**AT+INTMOD=3  **(%%)  ~/~/ Trigger by rising edge
--= 3. Configure DDS45-NB =
++= 3. Configure DDS20-NB =
  == 3.1 Configure Methods ==
--DDS45-NB supports below configure method:
++DDS20-NB 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/]].
@@ -603,7 +603,7 @@
  = 4. Battery & Power Consumption =
--DDS45-NB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
++DDS20-NB 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/]] .
@@ -617,7 +617,7 @@
  * Fix bugs.
--Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/l0bszumyrmil3yv/AAAg8LYGeAgDsD_ycCnweD72a?dl=0]]**
++Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/nyzeu0lf0amcaek/AAC6UZrqyTcAyJgXOH7l9F9Ka?dl=0]]**
  Methods to Update Firmware:
@@ -635,49 +635,23 @@
  [[See BC660K-GL AT Command set>>url:https://www.dropbox.com/sh/5f6ssda5fum8rvs/AABT68l8ZzWOvZ5eg2qwOoFda?dl=0]]
--== 6.2 Can I use DDS45-NB in condensation environment? ==
++= 7.  Trouble Shooting =
++== 7.1  Why i always see 0x0000 or 0 for the distance value? ==
--DDS45-NB is not suitable to be used in condensation environment. Condensation on the DDS45-NB probe will affect the reading and always got 0.
++(((
++DDS20-NB has a strict [[**installation requirement**>>||anchor="H1.5A0InstallDDS20-NB"]]. Please make sure the installation method exactly follows up with the installation requirement. Otherwise, the reading might be always 0x00.
--= 7. Trouble Shooting =
++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.
--== 7.1 Why does the sensor reading show 0 or "No sensor" ==
++
++)))
--
--~1. The measurement object is very close to the sensor, but in the blind spot of the sensor.
--
--2. Sensor wiring is disconnected
--
--3. Not using the correct decoder
--
--
--== 7.2 Abnormal readings The gap between multiple readings is too large or the gap between the readings and the actual value is too large ==
--
--
--1) Please check if there is something on the probe affecting its measurement (condensed water, volatile oil, etc.)
--
--2) Does it change with temperature, temperature will affect its measurement
--
--3) If abnormal data occurs, you can turn on DEBUG mode, Please use downlink or AT COMMAN to enter DEBUG mode.
--
--downlink command: (% style="color:blue" %)**F1 01**(%%), AT command: (% style="color:blue" %)**AT+DDEBUG=1**
--
--4) After entering the debug mode, it will send 20 pieces of data at a time, and you can send its uplink to us for analysis
--
--[[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-20230113135125-2.png?width=1057&height=136&rev=1.1||alt="image-20230113135125-2.png"]]
--
--
--Its original payload will be longer than other data. Even though it is being parsed, it can be seen that it is abnormal data.
--
--Please send the data to us for check.
--
--
  = 8. Order Info =
--Part Number: (% style="color:blue" %)**DDS45-NB-XX**
++Part Number: (% style="color:blue" %)**DDS20-NB-XX**
  (% style="color:red" %)**XX**(%%):
@@ -693,7 +693,7 @@
  (% style="color:#037691" %)**Package Includes**:
--* DDS45-NB NB-IoT Distance Detection sensor x 1
++* DDS20-NB NB-IoT Ultrasonic liquid level sensor x 1
  * External antenna x 1

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