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

From 81.2 to 81.3 From 84.18 to 84.19

From version 81.3

edited by Xiaoling
on 2023/08/19 13:51

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To version 84.18

edited by Xiaoling
on 2023/09/11 15:48

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Title

@@ -1,1 +1,1 @@
--S31-NB/S31B-NB_BN-IoT Outdoor Temperature & Humidity Sensor User Manual
++DDS20-NB -- NB-IoT Ultrasonic Liquid Level Sensor User Manual

Content

@@ -1,10 +1,9 @@
  (% style="text-align:center" %)
--[[image:image-20230819102136-3.png]]
++[[image:image-20230911134259-1.png||height="570" width="570"]]
++**Table of Contents:**
--**Table of Contents：**
--
  {{toc/}}
@@ -14,35 +14,41 @@
  = 1. Introduction =
--== 1.1 What is S31x-NB NB-IoT Temperature & Humidity Sensor ==
++== 1.1 What is DDS20-NB NB-IoT Ultrasonic liquid level Sensor ==
--The Dragino S31-NB and S31B-NB are (% style="color:blue" %)**NB-IoT Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the surrounding (% style="color:blue" %)**environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via NB-IoT network*.
++The Dragino DDS20-NB is a (% style="color:blue" %)**NB-IoT 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 IoT platform via NB-IoT network.
--The temperature & humidity sensor used in S31-NB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing**(%%) for long term use.
++The DDS20-NB 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.
--S31-NB supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP** for different application requirement. and Support Uplinks to various IoT Servers.
++DDS20-NB uses (% style="color:blue" %)**ultrasonic sensing technology**(%%) for distance measurement. DDS20-NB is of high accuracy to measure various liquid such as: (% style="color:blue" %)**toxic substances**, **strong acids**, **strong alkalis**(%%) and (% style="color:blue" %)**various pure liquids**(%%) in high-temperature and high-pressure airtight containers.
--S31-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to several years. (Real-world battery life depends on the use environment, update period and uplink method. Please check related Power Analyze report).
++DDS20-NB supports different uplink methods including (% style="color:blue" %)**MQTT, MQTTs, UDP & TCP**(%%) for different application requirement, and support uplinks to various IoT Servers.
--*make sure you have NB-IoT coverage locally.
++DDS20-NB (% style="color:blue" %)**supports BLE configure **(%%)and(% style="color:blue" %)** OTA update**(%%) which make user easy to use.
++DDS20-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use up to severa years.
--[[image:1692411831805-116.png]]
++DDS20-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.
++[[image:image-20230911140426-2.png||height="320" width="951"]]
++
++
  == 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
--* External 3 meters SHT31 probe (For S31-NB)
--* Measure range -40°C ~~ 85°C
--* Temperature & Humidity alarm
++* Liquid Level Measurement by Ultrasonic technology
++* Measure through container, No need to contact Liquid
++* Valid level range 20mm - 2000mm
++* Accuracy: ±(5mm+S*0.5%) (S: Measure Value)
  * 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
@@ -49,31 +49,17 @@
  == 1.3 Specification ==
--(% style="color:#037691" %)**Common DC Characteristics:**
++(% style="color:blue" %)**Common DC Characteristics:**
--* Supply Voltage: 2.1v ~~ 3.6v
++* Supply Voltage: 2.5v ~~ 3.6v
  * Operating Temperature: -40 ~~ 85°C
--(% style="color:#037691" %)**Temperature Sensor:**
++(% style="color:blue" %)**NB-IoT Spec:**
--* Range: -40 to + 80°C
--* Accuracy: ±0.2 @ 0-90 °C
--* Resolution: 0.1°C
--* Long Term Shift: <0.03 °C/yr
++(% style="color:#037691" %)**NB-IoT Module: BC660K-GL**
--(% style="color:#037691" %)**Humidity Sensor: **
++(% style="color:#037691" %)**Support Bands:**
--* Range: 0 ~~ 99.9% RH
--* Accuracy: ± 2%RH ( 0 ~~ 100%RH)
--* Resolution: 0.01% RH
--* Long Term Shift: <0.25 %RH/yr
--
--(% style="color:#037691" %)**NB-IoT Spec:**
--
--**NB-IoT Module: BC660K-GL**
--
--Support Bands:
--
  * B1 @H-FDD: 2100MHz
  * B2 @H-FDD: 1900MHz
  * B3 @H-FDD: 1800MHz
@@ -92,7 +92,7 @@
  * B70 @H-FDD: 2000MHz
  * B85 @H-FDD: 700MHz
--(% style="color:#037691" %)**Battery:**
++(% style="color:blue" %)**Battery:**
  * Li/SOCI2 un-chargeable battery
  * Capacity: 8500mAh
@@ -100,33 +100,151 @@
  * Max continuously current: 130mA
  * Max boost current: 2A, 1 second
--(% style="color:#037691" %)**Power Consumption**
++(% style="color:blue" %)**Power Consumption**
  * STOP Mode: 10uA @ 3.3v
  * Max transmit power: 350mA@3.3v
--== 1.4 Applications ==
++== 1.4 Suitable Container & Liquid ==
--* Smart Buildings & Home Automation
--* Logistics and Supply Chain Management
--* Smart Metering
--* Smart Agriculture
--* Smart Cities
--* Smart Factory
++* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
++* Container shape is regular, and surface is smooth.
++* Container Thickness:
++** Pure metal material.  2~~8mm, best is 3~~5mm
++** Pure non metal material: <10 mm
++* Pure liquid without irregular deposition.
--== 1.5 Sleep mode and working mode ==
++(% style="display:none" %)
++== 1.5 Install DDS20-NB ==
++
++(% style="color:blue" %)**Step 1**(%%):  ** Choose the installation point.**
++
++DDS20-NB (% 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.**
++)))
++
++(((
++For Metal Surface with paint, it is important to polish the surface, first use crude sand paper to polish the paint level , then use exquisite sand paper to polish the metal level to make it shine & smooth.
++)))
++
++[[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/image-20230613143052-5.png?rev=1.1||alt="image-20230613143052-5.png"]]
++
++
++No polish needed if the container is shine metal surface without paint or non-metal container.
++
++[[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/image-20230613143125-6.png?rev=1.1||alt="image-20230613143125-6.png"]]
++
++
++(((
++(% style="color:blue" %)**Step3:   **(%%)**Test the installation point.**
++)))
++
++(((
++Power on DDS20-NB, 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-NB won't detect the liquid level.
++)))
++
++(((
++After paste the DDS20-NB well, power on DDS20-NB. 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:blue" %)**LED Status:**
++)))
++
++* (((
++**Onboard LED**: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
++)))
++
++* (((
++(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** always ON**(%%): Sensor is power on but doesn't detect liquid. There is problem in installation point.
++)))
++* (((
++(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** slowly blinking**(%%): Sensor detects Liquid Level, The installation point is good.
++)))
++
++(((
++DDS20-NB 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 :**(%%)** (% 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:blue" %)**Step4:   **(%%)**Install use Epoxy ab glue.**
++)))
++
++(((
++Prepare Eproxy AB glue.
++)))
++
++(((
++Put Eproxy AB glue in the sensor and press it hard on the container installation point.
++)))
++
++(((
++Reset DDS20-NB and see if the BLUE LED is slowly blinking.
++)))
++
++[[image:image-20230809172509-1.png]]
++
++(((
++(% style="color:red" %)**Note :**(% style="color:red; display:none" %)** **
++
++(% 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" %)**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.
++)))
++
++
++== 1.6 Applications ==
++
++
++* Smart liquid control solution
++
++* Smart liquefied gas solution
++
++== 1.7 Precautions ==
++
++
++* At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights.
++
++* 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" %)
++
++
++
++== 1.8 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.
++== 1.9 Button & LEDs ==
--== 1.6 Button & LEDs ==
--
  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
@@ -143,10 +143,10 @@
  )))
  |(% 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.
--== 1.7 BLE connection ==
++== 1.10 BLE connection ==
--S31x-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:
@@ -158,122 +158,114 @@
  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
--== 1.8 Pin Definitions & Switch ==
++== 1.11 Pin Definitions & Switch ==
--S31x-NB use the mother board from S31-NB which as below.
--
  [[image:image-20230819104805-5.png]]
++=== 1.11.1 Jumper JP2 ===
--=== 1.8.1 Jumper JP2 ===
--
  Power on Device when put this jumper.
--=== 1.8.2 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.
++**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.
--2) (% style="color:blue" %)**Flash**(%%): work mode, device starts to work and send out console output for further debug
++**2)** (% style="color:blue" %)**Flash**(%%): work mode, device starts to work and send out console output for further debug
--=== 1.8.3 Reset Button ===
++=== 1.11.3 Reset Button ===
  Press to reboot the device.
++(% style="display:none" %)
--== 1.9 Hardware Variant ==
++== 1.12 Mechanical ==
--(% border="1" cellspacing="5" style="width:410px" %)
--|=(% style="width: 102px;background-color:#4F81BD;color:white" %)Model|=(% style="width: 126px; background-color:#4F81BD;color:white" %)Photo|=(% style="width: 179px;background-color:#4F81BD;color:white" %)Probe Info
--|(% style="width:102px" %)(((
--S31-LB
--)))|(% style="width:126px" %)(((
--(% style="text-align:center" %)
--[[image:image-20230819110632-6.png||height="130" width="104"]]
--)))|(% style="width:179px" %)(((
--1 x SHT31 Probe
++[[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"]]
--Cable Length : 3 meters
++[[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"]]
--
--)))
--|(% style="width:102px" %)(((
--S31B-LB
--)))|(% style="width:126px" %)(((
--(% style="text-align:center" %)
--[[image:image-20230819110702-7.png||height="164" width="90"]]
--)))|(% style="width:179px" %)(((
--1 x SHT31 Probe
++[[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"]]
--Installed in device.
--)))
--(% style="display:none" %)
++(% style="color:blue" %)**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"]]
--= 2. Use S31-NB to communicate with IoT Server =
++= 2. Use DDS20-NB to communicate with IoT Server =
  == 2.1 Send data to IoT server via NB-IoT network ==
--The S31-NB is equipped with a NB-IoT module, the pre-loaded firmware in S31-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 S31-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:1692415924540-357.png]]
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS20-NB_NB-IoT_Ultrasonic_Liquid_Level_Sensor_User_Manual/WebHome/image-20230911140426-2.png?width=951&height=320&rev=1.1||alt="image-20230911140426-2.png"]]
--There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of S31-NB.
++There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of DDS20-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 S31-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.
--1. 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]].
++* 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]].
--1. Set up sensor to point to IoT Server. See instruction of [[Configure to Connect Different Servers>>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.Configuretoconnecttodifferentservers]].
++* Set up sensor to point to IoT Server. See instruction of [[Configure to Connect Different Servers>>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.Configuretoconnecttodifferentservers]].
  Below shows result of different server as a glance.
--
  (% border="1" cellspacing="4" style="width:515px" %)
  |(% style="background-color:#4f81bd; color:white; width:100px" %)**Servers**|(% style="background-color:#4f81bd; color:white; width:300px" %)**Dash Board**|(% style="background-color:#4f81bd; color:white; width:115px" %)**Comments**
--|(% style="width:127px" %)[[Node-Red>>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/#H3.5A0Node-RedA028viaA0MQTT29]]|(% style="width:385px" %)[[image:image-20230819113244-8.png||height="183" width="367"]]|(% style="width:170px" %)
--|(% style="width:127px" %)[[DataCake>>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="width:385px" %)[[image:image-20230819113244-9.png||height="120" width="369"]]|(% style="width:170px" %)
++|(% style="width:127px" %)[[Node-Red>>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/#H3.5A0Node-RedA028viaA0MQTT29]]|(% style="width:385px" %)(((
++(% style="text-align:center" %)
++[[image:image-20230819113244-8.png||height="183" width="367"]]
++)))|(% style="width:170px" %)
++|(% style="width:127px" %)[[DataCake>>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="width:385px" %)(((
++(% style="text-align:center" %)
++[[image:image-20230819113244-9.png||height="119" width="367"]]
++)))|(% style="width:170px" %)
  |(% style="width:127px" %)[[Tago.IO>>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/#H3.7A0Tago.ioA028viaA0MQTT29]]|(% style="width:385px" %) |(% style="width:170px" %)
  |(% style="width:127px" %)[[General UDP>>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/#H3.1GeneralA0UDPA0Connection]]|(% style="width:385px" %)Raw Payload. Need Developer to design Dash Board|(% style="width:170px" %)
  |(% style="width:127px" %)[[General MQTT>>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/#H3.2GeneralA0MQTTA0Connection]]|(% style="width:385px" %)Raw Payload. Need Developer to design Dash Board|(% style="width:170px" %)
--|(% style="width:127px" %)[[ThingSpeak>>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/#H3.3A0ThingSpeakA028viaA0MQTT29]]|(% style="width:385px" %)[[image:image-20230819113244-10.png||height="82" width="291"]]|(% style="width:170px" %)
--|(% style="width:127px" %)[[ThingsBoard>>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/#H3.6A0ThingsBoard.CloudA028viaA0MQTT29]]|(% style="width:385px" %)[[image:image-20230819113244-11.png||height="113" width="293"]]|(% style="width:170px" %)
--|(% style="width:127px" %) |(% style="width:385px" %) |(% style="width:170px" %)
++|(% style="width:127px" %)[[ThingSpeak>>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/#H3.3A0ThingSpeakA028viaA0MQTT29]]|(% style="width:385px" %)(((
++(% style="text-align:center" %)
++[[image:image-20230819113244-10.png||height="104" width="367"]]
++)))|(% style="width:170px" %)
++|(% style="width:127px" %)[[ThingsBoard>>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/#H3.6A0ThingsBoard.CloudA028viaA0MQTT29]]|(% style="width:385px" %)(((
++(% style="text-align:center" %)
++[[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 S31-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, S31-NB supports different payload type.
++To meet different server requirement, DDS20-NB supports different payload type.
  **Includes:**
--* [[General JSON format payload>>path:#General_Json]]. (Type=5)
++* [[General JSON format payload>>||anchor="H2.2.1GeneralJsonFormat28Type3D529"]]. (Type=5)
--* [[HEX format Payload>>path:#HEX_Payload]]. (Type=0)
++* [[HEX format Payload>>||anchor="H2.2.2HEXformatPayload28Type3D029"]]. (Type=0)
--* [[ThingSpeak Format>>path:#ThingSpeak_Payload]]. (Type=1)
++* [[ThingSpeak Format>>||anchor="H2.2.4ThingSpeakPayload28Type3D129"]]. (Type=1)
--* [[ThingsBoard Format>>path:#ThingsBoard_Payload]]. (Type=3)
++* [[ThingsBoard Format>>||anchor="H2.2.3ThingsBoardPayload28Type3D329"]]. (Type=3)
  User can specify the payload type when choose the connection protocol. Example:
@@ -284,12 +284,12 @@
  (% style="color:#037691" %)**AT+PRO=3,5 **  (%%)         ~/~/ Use MQTT Connection & Json Payload
--=== 2.2.1 General Json Format (Type~=5) ===
++=== 2.2.1 General Json Format(Type~=5) ===
  This is the General Json Format. As below:
--(% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24,"Model":S31x-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}}**
++(% 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}}**
  (% style="color:red" %)**Notice, from above payload:**
@@ -298,7 +298,6 @@
  * 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) ===
@@ -313,7 +313,7 @@
  These bytes include the hardware and software version.
--(% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x00 for S31B-NB & S31-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 100
@@ -340,21 +340,6 @@
  **99**      Not known or not detectable
--(% style="color:blue" %)**Temperature: **
--
--If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
--
--If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
--
--(FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
--
--
--
--(% style="color:blue" %)**Humidity:   **
--
--Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
--
--
  (% style="color:blue" %)**TimeStamp:   **
  Unit TimeStamp Example: 64d49439(H) = 1691653177(D)
@@ -367,7 +367,6 @@
  Type3 payload special design for ThingsBoard, it will also configure other default server to ThingsBoard.
--
  (% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24}**
@@ -378,365 +378,382 @@
  Temperature, Humidity, Battery & Signal. This payload type only valid for ThingsSpeak Platform
--
  As below:
  (% style="color:#4472c4" %)**field1=27.9&field2=49.9&field3=3.23&field4=28**
++== 2.3  Uplink Payload ==
--== 2.3 Test Uplink and Change Update Interval ==
++(((
++DDS20-NB will uplink payload via LoRaWAN with below payload format:
++)))
--By default, Sensor will send uplinks (% style="color:blue" %)**every 2 hours**(%%) & AT+NOUD=8
++(((
++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" %)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="H2.3.2A0BatteryInfo"]]|(((
++[[Distance>>||anchor="H2.3.3A0Distance"]]
++(unit: mm)
++)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0InterruptPin"]]|(((
++[[Temperature (Optional)>>||anchor="H2.3.5A0DS18B20Temperaturesensor"]]
++)))|[[Sensor Flag>>||anchor="H2.3.6A0SensorFlag"]]
--User can use below commands to change the (% style="color:blue" %)**uplink interval**.
++[[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"]]
--(% style="color:#037691" %)**AT+TDC=600      ** (%%)      ~/~/ Set Update Interval to 600s
++=== 2.3.1 Device Status, FPORT~=5 ===
--User can also push the button for more than 1 seconds to activate an uplink.
++(((
++Users can use the downlink command(**0x26 01**) to ask DDS20-NB to send device configure detail, include device configure status. DDS20-NB will uplink a payload via FPort=5 to server.
++The Payload format is as below.
++)))
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:490px" %)
++|=(% colspan="6" style="background-color:#4F81BD;color:white" %)Device Status (FPORT=5)
++|(% style="width:60px" %)**Size(bytes)**|(% style="width:80px" %)**1**|(% style="width:140px" %)**2**|(% style="width:140px" %)**1**|(% style="width:70px" %)**1**|(% style="width:70px" %)**2**
++|(% style="width:94px" %)**Value**|(% style="width:68px" %)Sensor Model|(% style="width:80px" %)Firmware Version|(% style="width:86px" %)Frequency Band|(% style="width:61px" %)Sub-band|(% style="width:61px" %)BAT
--== 2.4 Multi-Samplings and One uplink ==
++[[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/DDS20.png?width=1336&height=241&rev=1.1||alt="DDS20.png"]]
--To save battery life, S31-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" %)**Sensor Model**(%%)**:** For DDS20-NB, this value is 0x29
--* (% 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)
++(% style="color:#037691" %)**Firmware Version**(%%)**:** 0x0100, Means: v1.0.0 version
--* (% style="color:#037691" %)**AT+NOUD=8**  (%%)~/~/   The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
++(% style="color:#037691" %)**Frequency Band**(%%)**:**
--The diagram below explains the relationship between TR, NOUD, and TDC more clearly:
++0x01: EU868
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png||alt="IMG_256"]]
++0x02: US915
++0x03: IN865
--== 2.5 Humidity and Temperature alarm function ==
++0x04: AU915
++0x05: KZ865
--On each sampling define by AT+TR ( default 900s or 15 minutes), when the value exceed the range, it will trigger an Alarm and immediately sends a uplink.
++0x06: RU864
++0x07: AS923
--(% style="color:blue" %)**AT Commands:**
++0x08: AS923-1
--(% style="color:#037691" %)**AT+ SHHUM=min,max**
++0x09: AS923-2
--Example: AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50 or higher than 80.
++0x0a: AS923-3
++0x0b: CN470
--(% style="color:#037691" %)**AT+ SHTEMP=min,max**
++0x0c: EU433
--Example: AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20 or higher than 30
++0x0d: KR920
++0x0e: MA869
--(% style="color:red" %)**Notice:**
--* To disable Alarm, user can set min and max to same value , such as (% style="color:#037691" %)**AT+SHTEMP=0,0.**
++(% style="color:#037691" %)**Sub-Band**(%%)**:**
--* If user only want to send only min or max, user can set the alarm to a value that device won’t reach. For example: (% style="color:#037691" %)**AT+SHTEMP=-80,0.**
++AU915 and US915: value 0x00 ~~ 0x08
++CN470: value 0x0B ~~ 0x0C
++Other Bands: Always 0x00
--== 2.6 Trggier an uplink by external interrupt ==
++(% style="color:#037691" %)**Battery Info:**
++Check the battery voltage.
--S31-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets.
++Ex1: 0x0B45 = 2885mV
--(% style="color:blue" %)**AT command:**
++Ex2: 0x0B49 = 2889mV
--* (% style="color:#037691" %)**AT+INTMOD **(%%)  ~/~/ Set the trigger interrupt mode
--* (% style="color:#037691" %)**AT+INTMOD=0 **(%%)   ~/~/Disable Interrupt
++=== 2.3.2  Battery Info ===
--* (% style="color:#037691" %)**AT+INTMOD=1 **(%%)  ~/~/Trigger by rising and falling edge
--* (% style="color:#037691" %)**AT+INTMOD=2 **(%%)  ~/~/Trigger by falling edge
++Check the battery voltage for DDS20-NB.
--* (% style="color:#037691" %)**AT+INTMOD=3  **(%%)  ~/~/Trigger by rising edge
++Ex1: 0x0B45 = 2885mV
++Ex2: 0x0B49 = 2889mV
--= 3. Configure S31x-NB =
++=== 2.3.3  Distance ===
--== 3.1 Configure Methods ==
++(((
++Get the distance. Flat object range 20mm - 2000mm.
++)))
--S31x-NB supports below configure method:
++(((
++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" %)** **
--* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
++(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
++)))
--* AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
++* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
--* LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
++* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
++=== 2.3.4  Interrupt Pin ===
--== 3.2 General Commands ==
++This data field shows if this packet is generated by interrupt or not.
++**Example:**
--These commands are to configure:
++0x00: Normal uplink packet.
--* General system settings like: uplink interval.
--* LoRaWAN protocol & radio related command.
++0x01: Interrupt Uplink Packet.
--They are same for all Dragino Devices which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
--[[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/]]
++=== 2.3.5  DS18B20 Temperature sensor ===
--== 3.3 Commands special design for S31x-LB ==
++This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
++**Example**:
--These commands only valid for S31x-LB, as below:
++If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
++If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
--=== 3.3.1 Set Transmit Interval Time ===
++=== 2.3.6  Sensor Flag ===
--Feature: Change LoRaWAN End Node Transmit Interval.
--(% style="color:blue" %)**AT Command: AT+TDC**
++(((
++0x01: Detect Ultrasonic Sensor
++)))
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|=(% style="width: 156px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 137px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Response**
--|(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
--30000
--OK
--the interval is 30000ms = 30s
++(((
++0x00: No Ultrasonic Sensor
++
++
  )))
--|(% style="width:156px" %)AT+TDC=60000|(% style="width:137px" %)Set Transmit Interval|(((
--OK
--Set transmit interval to 60000ms = 60 seconds
--)))
--(% style="color:blue" %)**Downlink Command: 0x01**
++== 2.4 Test Uplink and Change Update Interval ==
--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.
++By default, Sensor will send uplinks (% style="color:blue" %)**every 2 hours**(%%) & AT+NOUD=8
--* Example 1: Downlink Payload: 0100001E       ~/~/  Set Transmit Interval (TDC) = 30 seconds
--* Example 2: Downlink Payload: 0100003C       ~/~/  Set Transmit Interval (TDC) = 60 seconds
++User can use below commands to change the (% style="color:blue" %)**uplink interval**.
--=== 3.3.2 Get Device Status ===
++(% style="color:#037691" %)**AT+TDC=600 ** (%%)      ~/~/ Set Update Interval to 600s
++User can also push the button for more than 1 seconds to activate an uplink.
--Send a LoRaWAN downlink to ask device send Alarm settings.
--(% style="color:blue" %)**Downlink Payload:  **(%%)0x26 01
++== 2.5 Multi-Samplings and One uplink ==
--Sensor will upload Device Status via FPORT=5. See payload section for detail.
++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:
--=== 3.3.3 Set Temperature Alarm Threshold ===
++* (% 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)
++* (% style="color:#037691" %)**AT+NOUD=8**     (%%)~/~/  The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
--* (% style="color:blue" %)**AT Command:**
++The diagram below explains the relationship between TR, NOUD, and TDC more clearly:
--(% style="color:#037691" %)**AT+SHTEMP=min,max**
++[[image:1692424376354-959.png]]
--* When min=0, and max≠0, Alarm higher than max
--* When min≠0, and max=0, Alarm lower than min
--* When min≠0 and max≠0, Alarm higher than max or lower than min
--Example:
++== 2.6 Trggier an uplink by external interrupt ==
--   AT+SHTEMP=0,30   ~/~/ Alarm when temperature higher than 30.
--* (% style="color:blue" %)**Downlink Payload:**
++DDS20-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets.
--(% style="color:#037691" %)**0x(0C 01 00 1E)**  (%%)     ~/~/ Set AT+SHTEMP=0,30
++(% style="color:blue" %)**AT command:**
--(% style="color:red" %)**(note: 3^^rd^^ byte= 0x00 for low limit(not set), 4^^th^^ byte = 0x1E for high limit: 30)**
++* (% style="color:#037691" %)**AT+INTMOD **(%%)        ~/~/ Set the trigger interrupt mode
++* (% style="color:#037691" %)**AT+INTMOD=0 **(%%)   ~/~/ Disable Interrupt
--=== 3.3.4 Set Humidity Alarm Threshold ===
++* (% style="color:#037691" %)**AT+INTMOD=1 **(%%)   ~/~/ Trigger by rising and falling edge
++* (% style="color:#037691" %)**AT+INTMOD=2 **(%%)   ~/~/ Trigger by falling edge
--* (% style="color:blue" %)**AT Command:**
++* (% style="color:#037691" %)**AT+INTMOD=3  **(%%)  ~/~/ Trigger by rising edge
--(% style="color:#037691" %)**AT+SHHUM=min,max**
--* When min=0, and max≠0, Alarm higher than max
--* When min≠0, and max=0, Alarm lower than min
--* When min≠0 and max≠0, Alarm higher than max or lower than min
++= 3. Configure DDS20-NB =
--Example:
++== 3.1 Configure Methods ==
--   AT+SHHUM=70,0      ~/~/ Alarm when humidity lower than 70%.
--* (% style="color:blue" %)**Downlink Payload:**
++DDS20-NB supports below configure method:
--(% style="color:#037691" %)**0x(0C 02 46 00)**(%%)         ~/~/ Set AT+SHTHUM=70,0
++* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
--(% style="color:red" %)**(note: 3^^rd^^ byte= 0x46 for low limit (70%), 4^^th^^ byte = 0x00 for high limit (not set))**
++* AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
++== 3.2 AT Commands Set ==
--=== 3.3.5 Set Alarm Interval ===
++AT+<CMD>?           : Help on <CMD>
--The shortest time of two Alarm packet. (unit: min)
++AT+<CMD>                      : Run <CMD>
--* (% style="color:blue" %)**AT Command:**
++AT+<CMD>=<value>      : Set the value
--(% style="color:#037691" %)**AT+ATDC=30** (%%)      ~/~/ The shortest interval of two Alarm packets is 30 minutes, Means is there is an alarm packet uplink, there won't be another one in the next 30 minutes.
++AT+<CMD>=?          : Get the value
--* (% style="color:blue" %)**Downlink Payload:**
--(% style="color:#037691" %)**0x(0D 00 1E)**(%%)     **~-~--> ** Set AT+ATDC=0x 00 1E = 30 minutes
++(% style="color:blue" %)**General Commands**
++AT                    : Attention
--=== 3.3.6 Get Alarm settings ===
++AT?                  : Short Help
++ATZ                 : MCU Reset
--Send a LoRaWAN downlink to ask device send Alarm settings.
++AT+TDC          : Application Data Transmission Interval
--* (% style="color:#037691" %)**Downlink Payload:  **(%%)0x0E 01
++AT+CFG          : Print all configurations
--**Example:**
++AT+CFGMOD           : Working mode selection
--[[image:image-20230524110211-4.png]]
++AT+DEUI                  : Get or set the Device ID
--**Explain:**
++AT+INTMOD            : Set the trigger interrupt mode
--* Alarm & MOD bit is 0x7C, 0x7C >> 2 = 0x31: Means this message is the Alarm settings message.
++AT+5VT           : Set extend the time of 5V power
--=== 3.3.7 Set Interrupt Mode ===
++AT+PRO          : Choose agreement
++AT+RXDL        : Extend the sending and receiving time
--Feature, Set Interrupt mode for PA8 of pin.
++AT+DNSCFG   : Get or Set DNS Server
--When AT+INTMOD=0 is set, PA8 is used as a digital input port.
++AT+GETSENSORVALUE   : Returns the current sensor measurement
--(% style="color:blue" %)**AT Command: AT+INTMOD**
++AT+NOUD  : Get or Set the number of data to be uploaded
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
--|(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
--0
--OK
--the mode is 0 =Disable Interrupt
--)))
--|(% 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
++AT+CDP     : Read or Clear cached data
--(% style="color:blue" %)**Downlink Command: 0x06**
++AT+SHTEMP:   Get or Set alarm of temp
--Format: Command Code (0x06) followed by 3 bytes.
++AT+SHHUM:   Get or Set alarm of moisture
--This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
++AT+SERVADDR :   Server Address
--* Example 1: Downlink Payload: 06000000       ~/~/  Turn off interrupt mode
--* Example 2: Downlink Payload: 06000003      ~/~/   Set the interrupt mode to rising edge trigger
--=== 3.3.8 Set Power Output Duration ===
++(% style="color:blue" %)**UDP Management**
++AT+CFM  :    Upload confirmation mode (only valid for UDP)
--Control the output duration 5V . Before each sampling, device will
--~1. first enable the power output to external sensor,
++(% style="color:blue" %)**MQTT Management**
--2. keep it on as per duration, read sensor value and construct uplink payload
++AT+CLIENT               : Get or Set MQTT client
--3. final, close the power output.
++AT+UNAME              : Get or Set MQTT Username
--(% style="color:blue" %)**AT Command: AT+5VT**
++AT+PWD                  : Get or Set MQTT password
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
--|(% style="width:154px" %)AT+5VT=?|(% style="width:196px" %)Show 5V open time.|(% style="width:157px" %)0 (default)
--OK
--|(% style="width:154px" %)AT+5VT=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK
++AT+PUBTOPIC          : Get or Set MQTT publish topic
--(% style="color:blue" %)**Downlink Command: 0x07**
++AT+SUBTOPIC          : Get or Set MQTT subscription topic
--Format: Command Code (0x07) followed by 2 bytes.
--The first and second bytes are the time to turn on.
++(% style="color:blue" %)**Information**
--* Example 1: Downlink Payload: 070000     **~-~-->**   AT+5VT=0
--* Example 2: Downlink Payload: 0701F4      **~-~-->**  AT+5VT=500
++AT+FDR              : Factory Data Reset
++AT+PWORD        : Serial Access Password
++
++AT+LDATA           : Get the last upload data
++
++AT+CDP               : Read or Clear cached data
++
++
  = 4. Battery & Power Consumption =
--S31x-LB 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/]] .
--= 5. OTA Firmware update =
++= 5. Firmware update =
--(% class="wikigeneratedid" %)
--User can change firmware S31x-LB to:
++User can change device firmware to::
--* Change Frequency band/ region.
  * Update with new features.
++
  * Fix bugs.
--Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/fis3g6nmhv0eokg/AAC6BcCZaX4BdqZkduUvZ3jIa?dl=0]]**
++Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/fhb3uyl4gt6clru/AAAiZVTFcxrfE1JOOyfcgO9ha?dl=0]]**
--
  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/]]**
++* (Recommended way) OTA firmware update via BLE: [[**Instruction**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE_Firmware_Update_NB_Sensors_BC660K-GL/]].
++
  * 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 How can I access t BC660K-GL AT Commands? ==
--= 7. Order Info =
++User can access to BC660K-GL directly and send AT Commands.
++[[See BC660K-GL AT Command set>>url:https://www.dropbox.com/sh/5f6ssda5fum8rvs/AABT68l8ZzWOvZ5eg2qwOoFda?dl=0]]
--Part Number: (% style="color:blue" %)**S31-LB-XX  / S31B-LB-XX**
--(% style="color:red" %)**XX**(%%): The default frequency band
++= 7.  Trouble Shooting =
--* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
++== 7.1  Why i always see 0x0000 or 0 for the distance value? ==
--* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
--* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
++(((
++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.
--* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
++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.
++)))
--* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
++= 8. Order Info =
--* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
--* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
++Part Number: (% style="color:blue" %)**DDS20-NB-XX**
--* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
++(% style="color:red" %)**XX**(%%):
--= 8. Packing Info =
++* (% style="color:#037691" %)**GE**(%%): General version ( Exclude SIM card)
++* (% style="color:#037691" %)**1D**(%%): with 1NCE* 10 years 500MB SIM card and Pre-configure to DataCake server
++(% style="color:#037691" %)**1NCE SIM Card NB-IoT network coverage**(%%): Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Finland, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Latvia, Malta, Netherlands, Norway, Puerto Rico, Russia, Slovak , Republic, Slovenia, Spain, Sweden, Switzerland, Taiwan, USA, US Virgin Islands
++
++
++= 9. Packing Info =
++
++
  (% style="color:#037691" %)**Package Includes**:
--* S31x-LB LoRaWAN Temperature & Humidity Sensor
++* DDS20-NB NB-IoT Ultrasonic liquid level sensor x 1
++* External antenna x 1
++
  (% style="color:#037691" %)**Dimension and weight**:
--* Device Size: cm
++* Device Size: 13.0 x 5 x 4.5 cm
--* Device Weight: g
++* Device Weight: 150g
--* Package Size / pcs : cm
++* Package Size / pcs : 14.0 x 8x 5 cm
--* Weight / pcs : g
++* Weight / pcs : 180g
--= 9. Support =
++= 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.

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