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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 84.2
edited by Xiaoling
on 2023/06/15 15:30
Change comment: There is no comment for this version
To version 82.7
edited by Xiaoling
on 2023/06/14 16:56
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -35,7 +35,7 @@
35 35  
36 36  Each LDS12-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
37 37  
38 -[[image:image-20230615152941-1.png||height="459" width="800"]]
38 +[[image:image-20230614162334-2.png||height="468" width="800"]]
39 39  
40 40  
41 41  == 1.2 ​Features ==
... ... @@ -54,7 +54,6 @@
54 54  * Downlink to change configure
55 55  * 8500mAh Battery for long term use
56 56  
57 -
58 58  == 1.3 Specification ==
59 59  
60 60  
... ... @@ -142,7 +142,6 @@
142 142  )))
143 143  |(% 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.
144 144  
145 -
146 146  == 1.7 BLE connection ==
147 147  
148 148  
... ... @@ -162,6 +162,7 @@
162 162  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/WL03A-LB_LoRaWAN_None-Position_Rope_Type_Water_Leak_Controller_User_Manual/WebHome/image-20230613144156-1.png?rev=1.1||alt="image-20230613144156-1.png"]]
163 163  
164 164  
163 +
165 165  == 1.9 Mechanical ==
166 166  
167 167  
... ... @@ -177,6 +177,7 @@
177 177  (% style="color:blue" %)**Probe Mechanical:**
178 178  
179 179  
179 +
180 180  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654827224480-952.png?rev=1.1||alt="1654827224480-952.png"]]
181 181  
182 182  
... ... @@ -196,7 +196,7 @@
196 196  
197 197  The LPS8v2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
198 198  
199 -[[image:image-20230615153004-2.png||height="459" width="800"]](% style="display:none" %)
199 +[[image:image-20230614162359-3.png||height="468" width="800"]](% style="display:none" %)
200 200  
201 201  
202 202  (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB.
... ... @@ -240,7 +240,7 @@
240 240  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
241 241  
242 242  
243 -== 2.3 ​Uplink Payload ==
243 +== 2.3  ​Uplink Payload ==
244 244  
245 245  
246 246  (((
... ... @@ -251,22 +251,23 @@
251 251  Uplink payload includes in total 11 bytes.
252 252  )))
253 253  
254 +
254 254  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
255 255  |=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)(((
256 256  **Size(bytes)**
257 257  )))|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)**2**|=(% style="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" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**
258 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
259 -[[Temperature DS18B20>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
260 -)))|[[Distance>>||anchor="H2.3.3Distance"]]|[[Distance signal strength>>||anchor="H2.3.4Distancesignalstrength"]]|(((
261 -[[Interrupt flag>>||anchor="H2.3.5InterruptPin"]]
262 -)))|[[LiDAR temp>>||anchor="H2.3.6LiDARtemp"]]|(((
263 -[[Message Type>>||anchor="H2.3.7MessageType"]]
259 +|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:62.5px" %)(((
260 +[[Temperature DS18B20>>||anchor="H2.3.2A0DS18B20Temperaturesensor"]]
261 +)))|[[Distance>>||anchor="H2.3.3A0Distance"]]|[[Distance signal strength>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
262 +[[Interrupt flag>>||anchor="H2.3.5A0InterruptPin"]]
263 +)))|[[LiDAR temp>>||anchor="H2.3.6A0LiDARtemp"]]|(((
264 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
264 264  )))
265 265  
266 266  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654833689380-972.png?rev=1.1||alt="1654833689380-972.png"]]
267 267  
268 268  
269 -=== 2.3.1 Battery Info ===
270 +=== 2.3.1  Battery Info ===
270 270  
271 271  
272 272  Check the battery voltage for LDS12-LB.
... ... @@ -276,7 +276,7 @@
276 276  Ex2: 0x0B49 = 2889mV
277 277  
278 278  
279 -=== 2.3.2 DS18B20 Temperature sensor ===
280 +=== 2.3.2  DS18B20 Temperature sensor ===
280 280  
281 281  
282 282  This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
... ... @@ -289,7 +289,7 @@
289 289  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
290 290  
291 291  
292 -=== 2.3.3 Distance ===
293 +=== 2.3.3  Distance ===
293 293  
294 294  
295 295  Represents the distance value of the measurement output, the default unit is cm, and the value range parsed as a decimal number is 0-1200. In actual use, when the signal strength value Strength.
... ... @@ -300,7 +300,7 @@
300 300  If the data you get from the register is 0x0B 0xEA, the distance between the sensor and the measured object is 0BEA(H) = 3050 (D)/10 = 305cm.
301 301  
302 302  
303 -=== 2.3.4 Distance signal strength ===
304 +=== 2.3.4  Distance signal strength ===
304 304  
305 305  
306 306  Refers to the signal strength, the default output value will be between 0-65535. When the distance measurement gear is fixed, the farther the distance measurement is, the lower the signal strength; the lower the target reflectivity, the lower the signal strength. When Strength is greater than 100 and not equal to 65535, the measured value of Dist is considered credible.
... ... @@ -313,12 +313,12 @@
313 313  Customers can judge whether they need to adjust the environment based on the signal strength.
314 314  
315 315  
316 -=== 2.3.5 Interrupt Pin ===
317 +=== 2.3.5  Interrupt Pin ===
317 317  
318 318  
319 -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.
320 +This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
320 320  
321 -Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.8PinDefinitions"]].
322 +Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]].
322 322  
323 323  **Example:**
324 324  
... ... @@ -327,7 +327,7 @@
327 327  0x01: Interrupt Uplink Packet.
328 328  
329 329  
330 -=== 2.3.6 LiDAR temp ===
331 +=== 2.3.6  LiDAR temp ===
331 331  
332 332  
333 333  Characterize the internal temperature value of the sensor.
... ... @@ -337,7 +337,7 @@
337 337  If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
338 338  
339 339  
340 -=== 2.3.7 Message Type ===
341 +=== 2.3.7  Message Type ===
341 341  
342 342  
343 343  (((
... ... @@ -350,18 +350,18 @@
350 350  
351 351  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
352 352  |=(% style="width: 161px;background-color:#4F81BD;color:white" %)**Message Type Code**|=(% style="width: 164px;background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 174px;background-color:#4F81BD;color:white" %)**Payload**
353 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
354 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.ConfigureLDS12-LB"]]
354 +|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]]
355 +|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]]
355 355  
357 +=== 2.3.8  Decode payload in The Things Network ===
356 356  
357 -=== 2.3.8 Decode payload in The Things Network ===
358 358  
359 -
360 360  While using TTN network, you can add the payload format to decode the payload.
361 361  
362 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654592762713-715.png?rev=1.1||alt="1654592762713-715.png"]]
363 363  
363 +[[image:1654592762713-715.png]]
364 364  
365 +
365 365  (((
366 366  The payload decoder function for TTN is here:
367 367  )))
... ... @@ -371,13 +371,13 @@
371 371  )))
372 372  
373 373  
374 -== 2.4 Uplink Interval ==
375 +== 2.4  Uplink Interval ==
375 375  
376 376  
377 377  The LDS12-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>||anchor="H3.3.1SetTransmitIntervalTime"]]
378 378  
379 379  
380 -== 2.5 ​Show Data in DataCake IoT Server ==
381 +== 2.5  ​Show Data in DataCake IoT Server ==
381 381  
382 382  
383 383  (((
... ... @@ -504,15 +504,16 @@
504 504  
505 505  The LiDAR probe is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown below.
506 506  
507 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831757579-263.png?rev=1.1||alt="1654831757579-263.png"]]
508 508  
509 +[[image:1654831757579-263.png]]
509 509  
511 +
510 510  === 2.8.2 Distance Measurement Characteristics ===
511 511  
512 512  
513 513  With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. As shown in below:
514 514  
515 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831774373-275.png?rev=1.1||alt="1654831774373-275.png"]]
517 +[[image:1654831774373-275.png]]
516 516  
517 517  
518 518  (((
... ... @@ -532,20 +532,23 @@
532 532  Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows:
533 533  )))
534 534  
535 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831797521-720.png?rev=1.1||alt="1654831797521-720.png"]]
536 536  
538 +[[image:1654831797521-720.png]]
539 +
540 +
537 537  (((
538 538  In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below.
539 539  )))
540 540  
541 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831810009-716.png?rev=1.1||alt="1654831810009-716.png"]]
545 +[[image:1654831810009-716.png]]
542 542  
547 +
543 543  (((
544 544  If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error.
545 545  )))
546 546  
547 547  
548 -=== 2.8.3 Notice of usage ===
553 +=== 2.8.3 Notice of usage: ===
549 549  
550 550  
551 551  Possible invalid /wrong reading for LiDAR ToF tech:
... ... @@ -555,12 +555,11 @@
555 555  * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
556 556  * The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window.
557 557  
558 -
559 559  === 2.8.4  Reflectivity of different objects ===
560 560  
561 561  
562 562  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %)
563 -|=(% style="width: 54px;background-color:#4F81BD;color:white" %)Item|=(% style="width: 231px;background-color:#4F81BD;color:white" %)Material|=(% style="width: 94px;background-color:#4F81BD;color:white" %)Relectivity
567 +|=(% style="width: 54px;background-color:#D9E2F3;color:#0070C0" %)Item|=(% style="width: 231px;background-color:#D9E2F3;color:#0070C0" %)Material|=(% style="width: 94px;background-color:#D9E2F3;color:#0070C0" %)Relectivity
564 564  |(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4%
565 565  |(% style="width:53px" %)2|(% style="width:229px" %)Black fabric|(% style="width:93px" %)3%
566 566  |(% style="width:53px" %)3|(% style="width:229px" %)Black rubber|(% style="width:93px" %)4%
... ... @@ -582,7 +582,6 @@
582 582  |(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200%
583 583  |(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300%
584 584  
585 -
586 586  = 3. Configure LDS12-LB =
587 587  
588 588  == 3.1 Configure Methods ==
... ... @@ -596,7 +596,6 @@
596 596  
597 597  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
598 598  
599 -
600 600  == 3.2 General Commands ==
601 601  
602 602  
... ... @@ -629,7 +629,7 @@
629 629  )))
630 630  
631 631  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
632 -|=(% style="width: 156px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 137px;background-color:#4F81BD;color:white" %)**Function**|=(% style="background-color:#4F81BD;color:white" %)**Response**
634 +|=(% 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**
633 633  |(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
634 634  30000
635 635  OK
... ... @@ -657,9 +657,6 @@
657 657  )))
658 658  * (((
659 659  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds 
660 -
661 -
662 -
663 663  )))
664 664  
665 665  === 3.3.2 Set Interrupt Mode ===
... ... @@ -672,7 +672,7 @@
672 672  (% style="color:blue" %)**AT Command: AT+INTMOD**
673 673  
674 674  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
675 -|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 197px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 158px;background-color:#4F81BD;color:white" %)**Response**
674 +|=(% 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**
676 676  |(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
677 677  0
678 678  OK
... ... @@ -697,15 +697,16 @@
697 697  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
698 698  
699 699  
699 +
700 700  === 3.3.3 Get Firmware Version Info ===
701 701  
702 702  
703 703  Feature: use downlink to get firmware version.
704 704  
705 -(% style="color:blue" %)**Downlink Command: 0x26**
705 +(% style="color:#037691" %)**Downlink Command: 0x26**
706 706  
707 707  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:492px" %)
708 -|(% style="background-color:#4f81bd; color:white; width:191px" %)**Downlink Control Type**|(% style="background-color:#4f81bd; color:white; width:57px" %)**FPort**|(% style="background-color:#4f81bd; color:white; width:91px" %)**Type Code**|(% style="background-color:#4f81bd; color:white; width:153px" %)**Downlink payload size(bytes)**
708 +|(% style="background-color:#d9e2f3; color:#0070c0; width:191px" %)**Downlink Control Type**|(% style="background-color:#d9e2f3; color:#0070c0; width:57px" %)**FPort**|(% style="background-color:#d9e2f3; color:#0070c0; width:91px" %)**Type Code**|(% style="background-color:#d9e2f3; color:#0070c0; width:153px" %)**Downlink payload size(bytes)**
709 709  |(% style="width:191px" %)Get Firmware Version Info|(% style="width:57px" %)Any|(% style="width:91px" %)26|(% style="width:151px" %)2
710 710  
711 711  * Reply to the confirmation package: 26 01
... ... @@ -716,15 +716,17 @@
716 716  Configures info payload:
717 717  
718 718  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
719 -|=(% style="background-color:#4F81BD;color:white" %)(((
719 +|=(% style="background-color:#D9E2F3;color:#0070C0" %)(((
720 720  **Size(bytes)**
721 -)))|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**5**|=(% style="background-color:#4F81BD;color:white" %)**1**
721 +)))|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**5**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
722 722  |**Value**|Software Type|(((
723 -Frequency Band
723 +Frequency
724 +Band
724 724  )))|Sub-band|(((
725 -Firmware Version
726 +Firmware
727 +Version
726 726  )))|Sensor Type|Reserve|(((
727 -[[Message Type>>||anchor="H2.3.7MessageType"]]
729 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
728 728  Always 0x02
729 729  )))
730 730  
... ... @@ -794,7 +794,7 @@
794 794  
795 795  * Fix bugs.
796 796  
797 -Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/w1p7ukjrx49e62r/AAB3uCNCt-koYUvMkZUPBRSca?dl=0]]**
799 +Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/ph4uyz0rchflrnw/AADr1f_5Sg30804NItpfOQbla?dl=0]]**
798 798  
799 799  Methods to Update Firmware:
800 800  
... ... @@ -802,7 +802,6 @@
802 802  
803 803  * 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]]**.
804 804  
805 -
806 806  = 6. FAQ =
807 807  
808 808  == 6.1 What is the frequency plan for LDS12-LB? ==
... ... @@ -823,11 +823,11 @@
823 823  
824 824  
825 825  (((
826 -(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance. (such as glass and water, etc.)
827 +(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.)
827 827  )))
828 828  
829 829  (((
830 -(% style="color:red" %)**Troubleshooting**(%%): Please avoid use of this product under such circumstance in practice.
831 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
831 831  )))
832 832  
833 833  
... ... @@ -836,7 +836,7 @@
836 836  )))
837 837  
838 838  (((
839 -(% style="color:red" %)**Troubleshooting**(%%): please use dry dust-free cloth to gently remove the foreign matter.
840 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
840 840  )))
841 841  
842 842  
... ... @@ -863,7 +863,6 @@
863 863  
864 864  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
865 865  
866 -
867 867  = 9. ​Packing Info =
868 868  
869 869  
... ... @@ -881,7 +881,6 @@
881 881  
882 882  * Weight / pcs : g
883 883  
884 -
885 885  = 10. Support =
886 886  
887 887  
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