Changes for page wiki_test

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

From version 84.15
edited by Xiaoling
on 2023/09/11 15:37
Change comment: There is no comment for this version
To version 86.5
edited by Xiaoling
on 2023/09/12 10:52
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -DDS20-NB -- NB-IoT Ultrasonic Liquid Level Sensor User Manual
1 +DDS45-NB -- NB-IoT Distance Detection Sensor User Manual
Content
... ... @@ -1,7 +1,14 @@
1 1  (% style="text-align:center" %)
2 -[[image:image-20230911134259-1.png||height="570" width="570"]]
2 +[[image:image-20230912085600-1.png||height="519" width="731"]]
3 3  
4 4  
5 +
6 +
7 +
8 +
9 +
10 +
11 +
5 5  **Table of Contents:**
6 6  
7 7  {{toc/}}
... ... @@ -13,36 +13,33 @@
13 13  
14 14  = 1. Introduction =
15 15  
16 -== 1.1 What is DDS20-NB NB-IoT Ultrasonic liquid level Sensor ==
23 +== 1.1 What is DDS45-NB NB-IoT Distance Detection Sensor ==
17 17  
18 18  
19 -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.
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.
20 20  
21 -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. 
28 +It detects the distance (% style="color:blue" %)** between the measured object and the sensor**(%%), and and send IoT platform via NB-IoT network.
22 22  
23 -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.
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.
24 24  
25 -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.
32 +DDS45-NB (% style="color:blue" %)**supports BLE configure **(%%)and(% style="color:blue" %)** OTA update**(%%) which make user easy to use.
26 26  
27 -DDS20-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.
28 28  
29 -DDS20-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use up to severa years.
36 +DDS45-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.
30 30  
31 -DDS20-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"]]
32 32  
33 33  
34 -[[image:image-20230911140426-2.png||height="320" width="951"]]
35 -
36 -
37 37  == 1.2 ​Features ==
38 38  
39 39  
40 40  * NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD
41 41  * Ultra-low power consumption
42 -* Liquid Level Measurement by Ultrasonic technology
43 -* Measure through container, No need to contact Liquid
44 -* Valid level range 20mm - 2000mm
45 -* Accuracy: ±(5mm+S*0.5%) (S: Measure Value)
46 +* Distance Detection by Ultrasonic technology
47 +* Flat object range 30mm - 4500mm
48 +* Accuracy: ±(1cm+S*0.3%) (S: Distance)
49 +* Measure Angle: 60°
46 46  * Multiply Sampling and one uplink
47 47  * Support Bluetooth v5.1 remote configure and update firmware
48 48  * Uplink on periodically
... ... @@ -96,144 +96,64 @@
96 96  * STOP Mode: 10uA @ 3.3v
97 97  * Max transmit power: 350mA@3.3v
98 98  
99 -== 1.4 Suitable Container & Liquid ==
103 +== 1.4 Rated environmental conditions ==
100 100  
101 101  
102 -* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
103 -* Container shape is regular, and surface is smooth.
104 -* Container Thickness:
105 -** Pure metal material.  2~~8mm, best is 3~~5mm
106 -** Pure non metal material: <10 mm
107 -* Pure liquid without irregular deposition.
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 +
108 108  
109 -(% style="display:none" %)
114 +
115 +)))|(% style="width:66px" %)65%|(% style="width:90px" %)80%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
110 110  
111 -== 1.5 Install DDS20-NB ==
112 -
113 -
114 -(% style="color:blue" %)**Step 1**(%%):  ** Choose the installation point.**
115 -
116 -DDS20-NB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
117 -
118 -[[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"]]
119 -
120 -
121 121  (((
122 -(% style="color:blue" %)**Step 2**(%%):  **Polish the installation point.**
123 -)))
118 +(% style="color:red" %)**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
124 124  
125 -(((
126 -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.
127 -)))
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)**
128 128  
129 -[[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"]]
130 -
131 -
132 -No polish needed if the container is shine metal surface without paint or non-metal container.
133 -
134 -[[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"]]
135 -
136 -
137 -(((
138 -(% style="color:blue" %)**Step3:   **(%%)**Test the installation point.**
122 +
139 139  )))
140 140  
141 -(((
142 -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.
143 -)))
125 +== 1.5 Effective measurement range Reference beam pattern ==
144 144  
145 -(((
146 -It is necessary to put the coupling paste between the sensor and the container, otherwise DDS20-NB won't detect the liquid level.
147 -)))
148 148  
149 -(((
150 -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.
151 -)))
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.**
152 152  
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"]]
153 153  
154 -(((
155 -(% style="color:blue" %)**LED Status:**
156 -)))
157 157  
158 -* (((
159 -**Onboard LED**: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
160 -)))
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.**
161 161  
162 -* (((
163 -(% 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.
164 -)))
165 -* (((
166 -(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** slowly blinking**(%%): Sensor detects Liquid Level, The installation point is good.
167 -)))
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"]]
168 168  
169 -(((
170 -DDS20-NB will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
171 -)))
172 172  
173 -
174 -(((
175 -(% 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.
176 -)))
177 -
178 -
179 -(((
180 -(% style="color:blue" %)**Step4:   **(%%)**Install use Epoxy ab glue.**
181 -)))
182 -
183 -(((
184 -Prepare Eproxy AB glue.
185 -)))
186 -
187 -(((
188 -Put Eproxy AB glue in the sensor and press it hard on the container installation point.
189 -)))
190 -
191 -(((
192 -Reset DDS20-NB and see if the BLUE LED is slowly blinking.
193 -)))
194 -
195 -[[image:image-20230809172509-1.png]]
196 -
197 -(((
198 -(% style="color:red" %)**Note :**(% style="color:red; display:none" %)** **
199 -
200 -(% 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.
201 -)))
202 -
203 -(((
204 -(% 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.
205 -)))
206 -
207 -
208 208  == 1.6 Applications ==
209 209  
210 210  
211 -* Smart liquid control solution
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
212 212  
213 -* Smart liquefied gas solution
214 214  
215 -== 1.7 Precautions ==
152 +== 1.7 Sleep mode and working mode ==
216 216  
217 217  
218 -* 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.
219 -
220 -* 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.
221 -
222 -* 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.
223 -
224 -(% style="display:none" %)
225 -
226 -
227 -
228 -== 1.8 Sleep mode and working mode ==
229 -
230 -
231 231  (% 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.
232 232  
233 233  (% 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.
234 234  
235 235  
236 -== 1.9 Button & LEDs ==
160 +== 1.8 Button & LEDs ==
237 237  
238 238  
239 239  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
... ... @@ -322,10 +322,10 @@
322 322  
323 323  Below shows the network structure:
324 324  
325 -[[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"]]
249 +[[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"]]
326 326  
327 327  
328 -There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of DDS20-NB.
252 +There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of DDS45-NB.
329 329  
330 330  
331 331  (% 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.
... ... @@ -466,11 +466,12 @@
466 466  
467 467  (% style="color:#4472c4" %)**field1=27.9&field2=49.9&field3=3.23&field4=28**
468 468  
393 +
469 469  == 2.3  ​Uplink Payload ==
470 470  
471 471  
472 472  (((
473 -DDS20-LB will uplink payload via LoRaWAN with below payload format: 
398 +DDS20-NB will uplink payload via LoRaWAN with below payload format: 
474 474  )))
475 475  
476 476  (((
... ... @@ -478,100 +478,30 @@
478 478  )))
479 479  
480 480  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
481 -|=(% style="width: 95px; background-color:#D9E2F3;color:#0070C0" %)(% style="display:none" %) (%%)Size(bytes)|=(% style="width: 61px; background-color:#D9E2F3;color:#0070C0" %)2|=(% style="background-color:#D9E2F3;color:#0070C0" %)2|=(% style="background-color:#D9E2F3;color:#0070C0" %)1|=(% style="background-color:#D9E2F3;color:#0070C0" %)2|=(% style="background-color:#D9E2F3;color:#0070C0" %)1
482 -|(% style="width:95px" %)Value|(% style="width:61px" %)[[BAT>>||anchor="H2.3.2A0BatteryInfo"]]|(((
483 -[[Distance>>||anchor="H2.3.3A0Distance"]]
406 +|=(% 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
407 +|(% style="width:95px" %)Value|(% style="width:61px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
408 +[[Distance>>||anchor="H2.3.2A0Distance"]]
484 484  (unit: mm)
485 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0InterruptPin"]]|(((
486 -[[Temperature (Optional)>>||anchor="H2.3.5A0DS18B20Temperaturesensor"]]
487 -)))|[[Sensor Flag>>||anchor="H2.3.6A0SensorFlag"]]
410 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
411 +[[Temperature (Optional)>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
412 +)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
488 488  
489 -[[image:微信截图_20230702135733.png||height="215" width="964"]]
414 +[[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"]]
490 490  
491 491  
492 -=== 2.3.1 Device Status, FPORT~=5 ===
417 +=== 2.3.1  Battery Info ===
493 493  
494 494  
495 -(((
496 -Users can use the downlink command(**0x26 01**) to ask DDS20-LB to send device configure detail, include device configure status. DDS20-LB will uplink a payload via FPort=5 to server.
420 +Check the battery voltage for DDS20-NB.
497 497  
498 -The Payload format is as below.
499 -)))
500 -
501 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:490px" %)
502 -|=(% colspan="6" style="background-color:#D9E2F3;color:#0070C0" %)Device Status (FPORT=5)
503 -|(% 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**
504 -|(% 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
505 -
506 -[[image:DDS20.png||height="241" width="1336"]]
507 -
508 -
509 -(% style="color:#037691" %)**Sensor Model**(%%)**:** For DDS20-LB, this value is 0x29
510 -
511 -(% style="color:#037691" %)**Firmware Version**(%%)**:** 0x0100, Means: v1.0.0 version
512 -
513 -(% style="color:#037691" %)**Frequency Band**(%%)**:**
514 -
515 -0x01: EU868
516 -
517 -0x02: US915
518 -
519 -0x03: IN865
520 -
521 -0x04: AU915
522 -
523 -0x05: KZ865
524 -
525 -0x06: RU864
526 -
527 -0x07: AS923
528 -
529 -0x08: AS923-1
530 -
531 -0x09: AS923-2
532 -
533 -0x0a: AS923-3
534 -
535 -0x0b: CN470
536 -
537 -0x0c: EU433
538 -
539 -0x0d: KR920
540 -
541 -0x0e: MA869
542 -
543 -
544 -(% style="color:#037691" %)**Sub-Band**(%%)**:**
545 -
546 -AU915 and US915: value 0x00 ~~ 0x08
547 -
548 -CN470: value 0x0B ~~ 0x0C
549 -
550 -Other Bands: Always 0x00
551 -
552 -
553 -(% style="color:#037691" %)**Battery Info:**
554 -
555 -Check the battery voltage.
556 -
557 557  Ex1: 0x0B45 = 2885mV
558 558  
559 559  Ex2: 0x0B49 = 2889mV
560 560  
561 561  
562 -=== 2.3.2  Battery Info ===
427 +=== 2.3.2  Distance ===
563 563  
564 564  
565 -Check the battery voltage for DDS20-LB.
566 -
567 -Ex1: 0x0B45 = 2885mV
568 -
569 -Ex2: 0x0B49 = 2889mV
570 -
571 -
572 -=== 2.3.3  Distance ===
573 -
574 -
575 575  (((
576 576  Get the distance. Flat object range 20mm - 2000mm.
577 577  )))
... ... @@ -586,10 +586,10 @@
586 586  
587 587  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
588 588  
589 -=== 2.3.4  Interrupt Pin ===
444 +=== 2.3.3  Interrupt Pin ===
590 590  
591 591  
592 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3.2SetInterruptMode"]] for the hardware and software set up.
447 +This data field shows if this packet is generated by interrupt or not.
593 593  
594 594  **Example:**
595 595  
... ... @@ -598,7 +598,7 @@
598 598  0x01: Interrupt Uplink Packet.
599 599  
600 600  
601 -=== 2.3.5  DS18B20 Temperature sensor ===
456 +=== 2.3.4  DS18B20 Temperature sensor ===
602 602  
603 603  
604 604  This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
... ... @@ -610,7 +610,7 @@
610 610  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
611 611  
612 612  
613 -=== 2.3.6  Sensor Flag ===
468 +=== 2.3.5  Sensor Flag ===
614 614  
615 615  
616 616  (((
... ... @@ -774,7 +774,7 @@
774 774  
775 775  * Fix bugs.
776 776  
777 -Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/fhb3uyl4gt6clru/AAAiZVTFcxrfE1JOOyfcgO9ha?dl=0]]**
632 +Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/nyzeu0lf0amcaek/AAC6UZrqyTcAyJgXOH7l9F9Ka?dl=0]]**
778 778  
779 779  Methods to Update Firmware:
780 780  
... ... @@ -792,9 +792,22 @@
792 792  [[See BC660K-GL AT Command set>>url:https://www.dropbox.com/sh/5f6ssda5fum8rvs/AABT68l8ZzWOvZ5eg2qwOoFda?dl=0]]
793 793  
794 794  
795 -= 7. Order Info =
650 += 7.  Trouble Shooting =
796 796  
652 +== 7.1  Why i always see 0x0000 or 0 for the distance value? ==
797 797  
654 +
655 +(((
656 +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.
657 +
658 +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.
659 +
660 +
661 +)))
662 +
663 += 8. Order Info =
664 +
665 +
798 798  Part Number: (% style="color:blue" %)**DDS20-NB-XX**
799 799  
800 800  (% style="color:red" %)**XX**(%%):
... ... @@ -806,7 +806,7 @@
806 806  (% 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
807 807  
808 808  
809 -= 8. ​Packing Info =
677 += 9. ​Packing Info =
810 810  
811 811  
812 812  (% style="color:#037691" %)**Package Includes**:
... ... @@ -825,7 +825,7 @@
825 825  
826 826  * Weight / pcs : 180g
827 827  
828 -= 9. Support =
696 += 10. Support =
829 829  
830 830  
831 831  * 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.
image-20230912085600-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +646.5 KB
Content
image-20230912102813-2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +110.4 KB
Content