Last modified by Mengting Qiu on 2023/12/14 11:15

From version 82.15
edited by Xiaoling
on 2023/06/14 17:13
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
... ... @@ -99,6 +99,7 @@
99 99  * Sleep Mode: 5uA @ 3.3v
100 100  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
101 101  
102 +
102 102  == 1.4 Applications ==
103 103  
104 104  
... ... @@ -110,6 +110,7 @@
110 110  * Automatic control
111 111  * Sewer
112 112  
114 +
113 113  (% style="display:none" %)
114 114  
115 115  == 1.5 Sleep mode and working mode ==
... ... @@ -238,7 +238,7 @@
238 238  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
239 239  
240 240  
241 -== 2.3 ​Uplink Payload ==
243 +== 2.3  ​Uplink Payload ==
242 242  
243 243  
244 244  (((
... ... @@ -249,22 +249,23 @@
249 249  Uplink payload includes in total 11 bytes.
250 250  )))
251 251  
254 +
252 252  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
253 253  |=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)(((
254 254  **Size(bytes)**
255 255  )))|=(% 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**
256 -|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
257 -[[Temperature DS18B20>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
258 -)))|[[Distance>>||anchor="H2.3.3Distance"]]|[[Distance signal strength>>||anchor="H2.3.4Distancesignalstrength"]]|(((
259 -[[Interrupt flag>>||anchor="H2.3.5InterruptPin"]]
260 -)))|[[LiDAR temp>>||anchor="H2.3.6LiDARtemp"]]|(((
261 -[[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"]]
262 262  )))
263 263  
264 264  [[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"]]
265 265  
266 266  
267 -=== 2.3.1 Battery Info ===
270 +=== 2.3.1  Battery Info ===
268 268  
269 269  
270 270  Check the battery voltage for LDS12-LB.
... ... @@ -274,7 +274,7 @@
274 274  Ex2: 0x0B49 = 2889mV
275 275  
276 276  
277 -=== 2.3.2 DS18B20 Temperature sensor ===
280 +=== 2.3.2  DS18B20 Temperature sensor ===
278 278  
279 279  
280 280  This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
... ... @@ -287,7 +287,7 @@
287 287  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
288 288  
289 289  
290 -=== 2.3.3 Distance ===
293 +=== 2.3.3  Distance ===
291 291  
292 292  
293 293  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.
... ... @@ -298,7 +298,7 @@
298 298  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.
299 299  
300 300  
301 -=== 2.3.4 Distance signal strength ===
304 +=== 2.3.4  Distance signal strength ===
302 302  
303 303  
304 304  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.
... ... @@ -311,12 +311,12 @@
311 311  Customers can judge whether they need to adjust the environment based on the signal strength.
312 312  
313 313  
314 -=== 2.3.5 Interrupt Pin ===
317 +=== 2.3.5  Interrupt Pin ===
315 315  
316 316  
317 -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.
318 318  
319 -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"]].
320 320  
321 321  **Example:**
322 322  
... ... @@ -325,7 +325,7 @@
325 325  0x01: Interrupt Uplink Packet.
326 326  
327 327  
328 -=== 2.3.6 LiDAR temp ===
331 +=== 2.3.6  LiDAR temp ===
329 329  
330 330  
331 331  Characterize the internal temperature value of the sensor.
... ... @@ -335,7 +335,7 @@
335 335  If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
336 336  
337 337  
338 -=== 2.3.7 Message Type ===
341 +=== 2.3.7  Message Type ===
339 339  
340 340  
341 341  (((
... ... @@ -348,18 +348,18 @@
348 348  
349 349  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
350 350  |=(% 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**
351 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
352 -|(% 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"]]
353 353  
357 +=== 2.3.8  Decode payload in The Things Network ===
354 354  
355 -=== 2.3.8 Decode payload in The Things Network ===
356 356  
357 -
358 358  While using TTN network, you can add the payload format to decode the payload.
359 359  
360 -[[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"]]
361 361  
363 +[[image:1654592762713-715.png]]
362 362  
365 +
363 363  (((
364 364  The payload decoder function for TTN is here:
365 365  )))
... ... @@ -369,13 +369,13 @@
369 369  )))
370 370  
371 371  
372 -== 2.4 Uplink Interval ==
375 +== 2.4  Uplink Interval ==
373 373  
374 374  
375 375  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"]]
376 376  
377 377  
378 -== 2.5 ​Show Data in DataCake IoT Server ==
381 +== 2.5  ​Show Data in DataCake IoT Server ==
379 379  
380 380  
381 381  (((
... ... @@ -502,15 +502,16 @@
502 502  
503 503  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.
504 504  
505 -[[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"]]
506 506  
509 +[[image:1654831757579-263.png]]
507 507  
511 +
508 508  === 2.8.2 Distance Measurement Characteristics ===
509 509  
510 510  
511 511  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:
512 512  
513 -[[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]]
514 514  
515 515  
516 516  (((
... ... @@ -531,7 +531,7 @@
531 531  )))
532 532  
533 533  
534 -[[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"]]
538 +[[image:1654831797521-720.png]]
535 535  
536 536  
537 537  (((
... ... @@ -538,14 +538,15 @@
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:
... ... @@ -555,14 +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 -
560 -
561 561  === 2.8.4  Reflectivity of different objects ===
562 562  
563 563  
564 564  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %)
565 -|=(% 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
566 566  |(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4%
567 567  |(% style="width:53px" %)2|(% style="width:229px" %)Black fabric|(% style="width:93px" %)3%
568 568  |(% style="width:53px" %)3|(% style="width:229px" %)Black rubber|(% style="width:93px" %)4%
... ... @@ -693,6 +693,8 @@
693 693  
694 694  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
695 695  
698 +
699 +
696 696  === 3.3.3 Get Firmware Version Info ===
697 697  
698 698