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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 101.5
edited by Xiaoling
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on 2023/09/12 10:55
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Summary

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Title
... ... @@ -1,1 +1,1 @@
1 -SW3L-NB -- NB-IoT Flow Sensor User Manual
1 +DDS45-NB -- NB-IoT Distance Detection Sensor User Manual
Content
... ... @@ -1,5 +1,5 @@
1 1  (% style="text-align:center" %)
2 -[[image:image-20231010090810-1.png||height="518" width="839"]]
2 +[[image:image-20230912085600-1.png||height="519" width="731"]]
3 3  
4 4  
5 5  
... ... @@ -8,6 +8,7 @@
8 8  
9 9  
10 10  
11 +
11 11  **Table of Contents:**
12 12  
13 13  {{toc/}}
... ... @@ -19,37 +19,38 @@
19 19  
20 20  = 1. Introduction =
21 21  
22 -== 1.1 What is SW3L-NB NB-IoT Flow Sensor ==
23 +== 1.1 What is DDS45-NB NB-IoT Distance Detection Sensor ==
23 23  
24 24  
25 -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**.
26 +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.
26 26  
27 -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.
28 +It detects the distance (% style="color:blue" %)** between the measured object and the sensor**(%%), and and send IoT platform via NB-IoT network.
28 28  
29 -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**.
30 +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.
30 30  
31 -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.
32 +DDS45-NB (% style="color:blue" %)**supports BLE configure **(%%)and(% style="color:blue" %)** OTA update**(%%) which make user easy to use.
32 32  
33 -SW3L-NB (% style="color:blue" %)**supports BLE configure **(%%)and(% style="color:blue" %)** OTA update**(%%) which make user easy to use.
34 +DDS45-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use up to severa years.
34 34  
35 -SW3L-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use up to several years.
36 +DDS45-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.
36 36  
37 -SW3L-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.
38 +[[image:image-20230912102813-2.png||height="320" width="923"]]
38 38  
39 -[[image:image-20231010091546-2.png||height="348" width="909"]]
40 40  
41 -
42 42  == 1.2 ​Features ==
43 43  
44 44  
45 45  * NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD
46 46  * Ultra-low power consumption
47 -* Upload water flow volume
48 -* Monitor water waste
46 +* Distance Detection by Ultrasonic technology
47 +* Flat object range 30mm - 4500mm
48 +* Accuracy: ±(1cm+S*0.3%) (S: Distance)
49 +* Measure Angle: 60°
49 49  * Multiply Sampling and one uplink
50 50  * Support Bluetooth v5.1 remote configure and update firmware
51 51  * Uplink on periodically
52 52  * Downlink to change configure
54 +* IP66 Waterproof Enclosure
53 53  * 8500mAh Battery for long term use
54 54  * Nano SIM card slot for NB-IoT SIM
55 55  
... ... @@ -98,23 +98,61 @@
98 98  * STOP Mode: 10uA @ 3.3v
99 99  * Max transmit power: 350mA@3.3v
100 100  
101 -(% class="wikigeneratedid" id="H1.4Ratedenvironmentalconditions" %)
102 -(% style="display:none" %) (%%)
103 +== 1.4 Rated environmental conditions ==
103 103  
105 +
106 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
107 +|(% 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**
108 +|(% style="width:174px" %)Storage temperature|(% style="width:86px" %)-25|(% style="width:66px" %)25|(% style="width:90px" %)80|(% style="width:48px" %)℃|(% style="width:203px" %)
109 +|(% style="width:174px" %)Storage humidity|(% style="width:86px" %) |(% style="width:66px" %)65%|(% style="width:90px" %)90%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
110 +|(% style="width:174px" %)Operating temperature|(% style="width:86px" %)-15|(% style="width:66px" %)25|(% style="width:90px" %)60|(% style="width:48px" %)℃|(% style="width:203px" %)
111 +|(% style="width:174px" %)Working humidity|(% style="width:86px" %)(((
112 +
113 +
114 +
115 +)))|(% style="width:66px" %)65%|(% style="width:90px" %)80%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
116 +
117 +(((
118 +(% style="color:red" %)**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
119 +
120 +(% 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)**
121 +
122 +
123 +)))
124 +
125 +== 1.5 Effective measurement range Reference beam pattern ==
126 +
127 +
128 +(% 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.**
129 +
130 +[[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"]]
131 +
132 +
133 +(% 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.**
134 +
135 +[[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"]]
136 +
137 +
104 104  == 1.6 Applications ==
105 105  
106 106  
107 -* Flow Sensor application
108 -* Water Control
109 -* Toilet Flow Sensor
110 -* Monitor Waste water
141 +* Horizontal distance measurement
142 +* Liquid level measurement
143 +* Parking management system
144 +* Object proximity and presence detection
145 +* Intelligent trash can management system
146 +* Robot obstacle avoidance
147 +* Automatic control
148 +* Sewer
149 +* Bottom water level monitoring
111 111  
151 +
112 112  == 1.7 Sleep mode and working mode ==
113 113  
114 114  
115 -(% 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.
155 +(% 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.
116 116  
117 -(% 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.
157 +(% 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.
118 118  
119 119  
120 120  == 1.8 Button & LEDs ==
... ... @@ -139,7 +139,7 @@
139 139  == 1.9 BLE connection ==
140 140  
141 141  
142 -DDS45-NB support BLE remote configure and firmware update.
182 +DDS20-NB support BLE remote configure and firmware update.
143 143  
144 144  
145 145  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:
... ... @@ -204,13 +204,13 @@
204 204  
205 205  Below shows the network structure:
206 206  
207 -[[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"]]
247 +[[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"]]
208 208  
209 209  
210 210  There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of DDS45-NB.
211 211  
212 212  
213 -(% 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.
253 +(% 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.
214 214  
215 215  * 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]].
216 216  
... ... @@ -240,13 +240,13 @@
240 240  [[image:image-20230819113244-11.png||height="141" width="367"]]
241 241  )))|(% style="width:170px" %)
242 242  
243 -(% 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]].
283 +(% 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]].
244 244  
245 245  
246 246  == 2.2 ​Payload Types ==
247 247  
248 248  
249 -To meet different server requirement, DDS45-NB supports different payload type.
289 +To meet different server requirement, DDS20-NB supports different payload type.
250 250  
251 251  **Includes:**
252 252  
... ... @@ -272,17 +272,14 @@
272 272  
273 273  This is the General Json Format. As below:
274 274  
275 -(% 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}}**
315 +(% 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}}**
276 276  
277 277  
278 -[[image:image-20230920175015-3.png||height="613" width="890"]]
279 -
280 -
281 281  (% style="color:red" %)**Notice, from above payload:**
282 282  
283 -* Distance , Battery & Signal are the value at uplink time.
320 +* Temperature , Humidity , Battery & Signal are the value at uplink time.
284 284  
285 -* 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.
322 +* 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.
286 286  
287 287  === 2.2.2 HEX format Payload(Type~=0) ===
288 288  
... ... @@ -289,28 +289,23 @@
289 289  
290 290  This is the HEX Format. As below:
291 291  
292 -(% style="color:#4472c4" %)**f8662070583784430b640dda15010003a4650abc400000650ab8180000650ab4940000650ab10f0000650aad8b0000650aaa070000650aa6840000650aa3000000650a9308**
329 +(% style="color:#4472c4" %)**f86620705346276200640cba16010000000011011801e864d49c2d011a01e364d49925011901eb64d49871011901e564d497bd011a01e664d49709011901e964d49655011a01e864d495a1011a01e864d494ed011801e864d49439**
293 293  
294 -[[image:image-20230920172200-1.png||height="191" width="1047"]]
331 +[[image:1692424009971-458.png]]
295 295  
296 296  
297 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.
298 -
299 -[[image:image-20230920173352-2.png||height="636" width="919"]]
300 -
301 -
302 302  (% style="color:blue" %)**Version:**
303 303  
304 304  These bytes include the hardware and software version.
305 305  
306 -(% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x0b for DDS45-NB
338 +(% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x00 for DDS20-NB
307 307  
308 -(% style="color:#037691" %)**Lower byte:**(%%) Specify the software version: 0x64=100, means firmware version 1.0.0
340 +(% style="color:#037691" %)**Lower byte:**(%%) Specify the software version: 0x64=100, means firmware version 100
309 309  
310 310  
311 311  (% style="color:blue" %)**BAT (Battery Info):**
312 312  
313 -Ex1: 0x0dda = 3546mV
345 +Ex1: 0x0CBA = 3258mV
314 314  
315 315  
316 316  (% style="color:blue" %)**Signal Strength:**
... ... @@ -317,7 +317,7 @@
317 317  
318 318  NB-IoT Network signal Strength.
319 319  
320 -**Ex1: 0x15 = 21**
352 +**Ex1: 0x16 = 22**
321 321  
322 322  **0**  -113dBm or less
323 323  
... ... @@ -330,78 +330,60 @@
330 330  **99**    Not known or not detectable
331 331  
332 332  
333 -(% style="color:blue" %)**Distance:  **
365 +(% style="color:blue" %)**TimeStamp:   **
334 334  
335 -Ex1: 0x03a4 = 932 mm
367 +Unit TimeStamp Example: 64d49439(H) = 1691653177(D)
336 336  
369 +Put the decimal value into this link(https:~/~/www.epochconverter.com/) to get the time.
337 337  
338 -(% style="color:blue" %)**Timestamp:   **
339 339  
340 -Unit Timestamp Example: 650abc40(H) = 1695202368(D)
341 -
342 -Put the decimal value into this link([[https:~~/~~/www.epochconverter.com)>>https://www.epochconverter.com]]) to get the time.
343 -
344 -
345 345  === 2.2.3 ThingsBoard Payload(Type~=3) ===
346 346  
347 347  
348 348  Type3 payload special design for ThingsBoard, it will also configure other default server to ThingsBoard.
349 349  
350 -(% style="color:#4472c4" %)** {"IMEI": "866207058378443","Model": "DDS45-NB","distance": 502,"battery": 3.57,"signal": 23}**
377 +(% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24}**
351 351  
352 -[[image:image-20230922094043-2.png||height="558" width="851"]]
353 353  
354 -
355 -=== ===
356 -
357 357  === 2.2.4 ThingSpeak Payload(Type~=1) ===
358 358  
359 359  
360 -This payload meets ThingSpeak platform requirement. It includes only four fields. Form 1~~3 are:
383 +This payload meets ThingSpeak platform requirement. It includes only four fields. Form 1~~4 are:
361 361  
362 -Distance, Battery & Signal. This payload type only valid for ThingsSpeak Platform
385 +Temperature, Humidity, Battery & Signal. This payload type only valid for ThingsSpeak Platform
363 363  
364 364  As below:
365 365  
366 -(% style="color:#4472c4" %)**field1=Distance value&field2=Battery value&field3=Singal value**
389 +(% style="color:#4472c4" %)**field1=27.9&field2=49.9&field3=3.23&field4=28**
367 367  
368 -[[image:image-20230921104741-1.png||height="565" width="826"]]
369 369  
370 -
371 371  == 2.3  ​Uplink Payload ==
372 372  
373 373  
374 374  (((
375 -DDS45-NB will uplink payload via LoRaWAN with below payload format: 
396 +DDS20-NB will uplink payload via LoRaWAN with below payload format: 
376 376  )))
377 377  
378 378  (((
379 -Uplink payload includes in total 21 bytes.
400 +Uplink payload includes in total 8 bytes.
380 380  )))
381 381  
382 382  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
383 -|=(% 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
384 -|(% style="width:95px" %)Value|(% style="width:61px" %)f+IMEI|(% style="width:61px" %)Ver|(% style="width:61px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:61px" %)(((
385 -Singal
404 +|=(% 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
405 +|(% style="width:95px" %)Value|(% style="width:61px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
406 +[[Distance>>||anchor="H2.3.2A0Distance"]]
407 +(unit: mm)
408 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
409 +[[Temperature (Optional)>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
410 +)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
386 386  
387 -Strength
388 -)))|(% 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" %)(((
389 -Timestamp
412 +[[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"]]
390 390  
391 -
392 -)))
393 393  
394 -If the cache upload mechanism is turned on, you will receive the payload shown in the figure below.
395 -
396 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:512px" %)
397 -|(% 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)**
398 -
399 -=== ===
400 -
401 401  === 2.3.1  Battery Info ===
402 402  
403 403  
404 -Check the battery voltage for DDS45-NB.
418 +Check the battery voltage for DDS20-NB.
405 405  
406 406  Ex1: 0x0B45 = 2885mV
407 407  
... ... @@ -408,9 +408,26 @@
408 408  Ex2: 0x0B49 = 2889mV
409 409  
410 410  
411 -=== 2.3.2  Interrupt ===
425 +=== 2.3.2  Distance ===
412 412  
413 413  
428 +(((
429 +Get the distance. Flat object range 20mm - 2000mm.
430 +)))
431 +
432 +(((
433 +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" %)** **
434 +
435 +(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
436 +)))
437 +
438 +* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
439 +
440 +* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
441 +
442 +=== 2.3.3  Interrupt Pin ===
443 +
444 +
414 414  This data field shows if this packet is generated by interrupt or not.
415 415  
416 416  **Example:**
... ... @@ -420,24 +420,28 @@
420 420  0x01: Interrupt Uplink Packet.
421 421  
422 422  
423 -=== 2.3.3  Distance ===
454 +=== 2.3.4  DS18B20 Temperature sensor ===
424 424  
425 425  
426 -(((
427 -Get the distance. Flat object range 30mm - 4500mm.
428 -)))
457 +This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
429 429  
430 -(((
431 -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" %)** **
459 +**Example**:
432 432  
433 -(% style="color:blue" %)**0B05(H) = 2821 (D) = 2821 mm.**
434 -)))
461 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
435 435  
436 -* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
463 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
437 437  
438 -* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
439 439  
466 +=== 2.3.5  Sensor Flag ===
467 +
468 +
440 440  (((
470 +0x01: Detect Ultrasonic Sensor
471 +)))
472 +
473 +(((
474 +0x00: No Ultrasonic Sensor
475 +
441 441  
442 442  )))
443 443  
... ... @@ -456,7 +456,7 @@
456 456  == 2.5 Multi-Samplings and One uplink ==
457 457  
458 458  
459 -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:
494 +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:
460 460  
461 461  * (% 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)
462 462  
... ... @@ -470,7 +470,7 @@
470 470  == 2.6 Trggier an uplink by external interrupt ==
471 471  
472 472  
473 -DDS45-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets.
508 +DDS20-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets.
474 474  
475 475  (% style="color:blue" %)**AT command:**
476 476  
... ... @@ -484,12 +484,12 @@
484 484  
485 485  * (% style="color:#037691" %)**AT+INTMOD=3  **(%%) ~/~/ Trigger by rising edge
486 486  
487 -= 3. Configure DDS45-NB =
522 += 3. Configure DDS20-NB =
488 488  
489 489  == 3.1 Configure Methods ==
490 490  
491 491  
492 -DDS45-NB supports below configure method:
527 +DDS20-NB supports below configure method:
493 493  
494 494  * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
495 495  
... ... @@ -578,7 +578,7 @@
578 578  = 4. Battery & Power Consumption =
579 579  
580 580  
581 -DDS45-NB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
616 +DDS20-NB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
582 582  
583 583  [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
584 584  
... ... @@ -592,7 +592,7 @@
592 592  
593 593  * Fix bugs.
594 594  
595 -Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/l0bszumyrmil3yv/AAAg8LYGeAgDsD_ycCnweD72a?dl=0]]**
630 +Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/nyzeu0lf0amcaek/AAC6UZrqyTcAyJgXOH7l9F9Ka?dl=0]]**
596 596  
597 597  Methods to Update Firmware:
598 598  
... ... @@ -610,49 +610,23 @@
610 610  [[See BC660K-GL AT Command set>>url:https://www.dropbox.com/sh/5f6ssda5fum8rvs/AABT68l8ZzWOvZ5eg2qwOoFda?dl=0]]
611 611  
612 612  
613 -== 6.2 Can I use DDS45-NB in condensation environment? ==
648 += 7.  Trouble Shooting =
614 614  
650 +== 7.1  Why i always see 0x0000 or 0 for the distance value? ==
615 615  
616 -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.
617 617  
653 +(((
654 +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.
618 618  
619 -= 7. Trouble Shooting =
656 +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.
620 620  
621 -== 7.1 Why does the sensor reading show 0 or "No sensor" ==
658 +
659 +)))
622 622  
623 -
624 -~1. The measurement object is very close to the sensor, but in the blind spot of the sensor.
625 -
626 -2. Sensor wiring is disconnected
627 -
628 -3. Not using the correct decoder
629 -
630 -
631 -== 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 ==
632 -
633 -
634 -1) Please check if there is something on the probe affecting its measurement (condensed water, volatile oil, etc.)
635 -
636 -2) Does it change with temperature, temperature will affect its measurement
637 -
638 -3) If abnormal data occurs, you can turn on DEBUG mode, Please use downlink or AT COMMAN to enter DEBUG mode.
639 -
640 -downlink command: (% style="color:blue" %)**F1 01**(%%), AT command: (% style="color:blue" %)**AT+DDEBUG=1**
641 -
642 -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
643 -
644 -[[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"]]
645 -
646 -
647 -Its original payload will be longer than other data. Even though it is being parsed, it can be seen that it is abnormal data.
648 -
649 -Please send the data to us for check.
650 -
651 -
652 652  = 8. Order Info =
653 653  
654 654  
655 -Part Number: (% style="color:blue" %)**DDS45-NB-XX**
664 +Part Number: (% style="color:blue" %)**DDS20-NB-XX**
656 656  
657 657  (% style="color:red" %)**XX**(%%):
658 658  
... ... @@ -668,7 +668,7 @@
668 668  
669 669  (% style="color:#037691" %)**Package Includes**:
670 670  
671 -* DDS45-NB NB-IoT Distance Detection sensor x 1
680 +* DDS20-NB NB-IoT Ultrasonic liquid level sensor x 1
672 672  
673 673  * External antenna x 1
674 674  
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