Last modified by Mengting Qiu on 2025/02/26 15:04
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From version < 110.2 >
edited by Xiaoling
on 2022/06/10 13:58
To version < 109.5 >
edited by Xiaoling
on 2022/06/10 13:48
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Summary

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Content
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4 4  
5 5  **Contents:**
6 6  
7 -{{toc/}}
8 8  
9 9  
10 10  
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11 11  
12 12  
13 13  
14 -
15 15  = 1.  Introduction =
16 16  
17 17  == 1.1 ​ What is LoRaWAN LiDAR ToF Distance Sensor ==
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19 19  (((
20 20  
21 21  
22 -(((
23 23  The Dragino LLDS12 is a (% style="color:blue" %)**LoRaWAN LiDAR ToF (Time of Flight) Distance Sensor**(%%) for Internet of Things solution. It is capable to measure the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)!. The LiDAR probe uses laser induction technology for distance measurement.
24 -)))
25 25  
26 -(((
27 27  The LLDS12 can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
28 -)))
29 29  
30 -(((
31 31  It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
32 -)))
33 33  
34 -(((
35 35  The LoRa wireless technology used in LLDS12 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
36 -)))
37 37  
38 -(((
39 39  LLDS12 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
40 -)))
41 41  
42 -(((
43 43  Each LLDS12 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.
44 44  )))
45 -)))
46 46  
47 47  
48 48  [[image:1654826306458-414.png]]
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84 84  [[image:1654827224480-952.png]]
85 85  
86 86  
73 +
87 87  == 1.5 ​ Applications ==
88 88  
89 89  * Horizontal distance measurement
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251 251  
252 252  
253 253  
254 -=== 2.3.4  Distance signal strength ===
241 +=== 2.3.4 Soil Temperature ===
255 255  
256 -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.
243 +Get Soil Temperature 
257 257  
258 258  
259 259  **Example**:
260 260  
261 -If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
248 +If payload is: **0105H**:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
262 262  
263 -Customers can judge whether they need to adjust the environment based on the signal strength.
250 +If payload is: **FF3FH** :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
264 264  
265 265  
266 266  
267 -=== 2.3.5  Interrupt Pin ===
254 +=== 2.3.5 Interrupt Pin ===
268 268  
269 269  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2SetInterruptMode"]] for the hardware and software set up.
270 270  
271 -Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>path:#pins]].
272 272  
273 273  **Example:**
274 274  
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278 278  
279 279  
280 280  
281 -=== 2.3.6  LiDAR temp ===
267 +=== 2.3.6 Message Type ===
282 282  
283 -Characterize the internal temperature value of the sensor.
284 -
285 -**Example: **
286 -If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
287 -If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
288 -
289 -
290 -
291 -=== 2.3.7  Message Type ===
292 -
293 293  (((
294 294  For a normal uplink payload, the message type is always 0x01.
295 295  )))
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303 303  |=(% style="width: 160px;" %)**Message Type Code**|=(% style="width: 163px;" %)**Description**|=(% style="width: 173px;" %)**Payload**
304 304  |(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
305 305  |(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.4GetFirmwareVersionInfo"]]
282 +|(% style="width:160px" %)0x03|(% style="width:163px" %)Reply Calibration Info|(% style="width:173px" %)[[Calibration Payload>>||anchor="H2.7Calibration"]]
306 306  
284 +=== 2.3.7 Decode payload in The Things Network ===
307 307  
308 -=== 2.3.8  Decode payload in The Things Network ===
309 -
310 310  While using TTN network, you can add the payload format to decode the payload.
311 311  
312 312  
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473 473  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
474 474  * Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
475 475  
476 -=== 2.6.3  CN470-510 (CN470) ===
452 +=== 2.6.3 CN470-510 (CN470) ===
477 477  
478 478  (((
479 479  Used in China, Default use CHE=1
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562 562  
563 563  
564 564  
565 -=== 2.6.4  AU915-928(AU915) ===
541 +=== 2.6.4 AU915-928(AU915) ===
566 566  
567 567  (((
568 568  Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
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583 583  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
584 584  * Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
585 585  
586 -=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
562 +=== 2.6.5 AS920-923 & AS923-925 (AS923) ===
587 587  
588 588  (((
589 589  (% style="color:blue" %)**Default Uplink channel:**
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692 692  
693 693  
694 694  
695 -=== 2.6.6  KR920-923 (KR920) ===
671 +=== 2.6.6 KR920-923 (KR920) ===
696 696  
697 697  (((
698 698  (% style="color:blue" %)**Default channel:**
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765 765  
766 766  
767 767  
768 -=== 2.6.7  IN865-867 (IN865) ===
744 +=== 2.6.7 IN865-867 (IN865) ===
769 769  
770 770  (((
771 771  (% style="color:blue" %)**Uplink:**

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