Last modified by Mengting Qiu on 2024/03/07 08:41
<
From version < 147.10 >
edited by Xiaoling
on 2022/06/10 17:47
To version < 132.2 >
edited by Xiaoling
on 2022/06/10 16:17
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Summary

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Content
... ... @@ -71,20 +71,15 @@
71 71  
72 72  === 1.3.2  Effective measurement range Reference beam pattern ===
73 73  
74 -**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
74 +**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**[[image:image-20220610155021-2.png||height="440" width="1189"]]
75 75  
76 76  
77 77  
78 -[[image:1654852253176-749.png]]
78 +**(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.[[image:image-20220610155021-3.png||height="437" width="1192"]]
79 79  
80 +(% style="display:none" %) (%%)
80 80  
81 -**(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.**
82 82  
83 -
84 -[[image:1654852175653-550.png]](% style="display:none" %) ** **
85 -
86 -
87 -
88 88  == 1.5 ​ Applications ==
89 89  
90 90  * Horizontal distance measurement
... ... @@ -97,6 +97,7 @@
97 97  * Sewer
98 98  * Bottom water level monitoring
99 99  
95 +
100 100  == 1.6  Pin mapping and power on ==
101 101  
102 102  
... ... @@ -103,7 +103,6 @@
103 103  [[image:1654847583902-256.png]]
104 104  
105 105  
106 -
107 107  = 2.  Configure LDDS75 to connect to LoRaWAN network =
108 108  
109 109  == 2.1  How it works ==
... ... @@ -117,7 +117,6 @@
117 117  )))
118 118  
119 119  
120 -
121 121  == 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
122 122  
123 123  (((
... ... @@ -180,10 +180,10 @@
180 180  
181 181  
182 182  (((
183 -(% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
177 +(% style="color:blue" %)**Step 3**(%%)**:** The LLDS12 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
184 184  )))
185 185  
186 -[[image:1654849068701-275.png]]
180 +[[image:1654833501679-968.png]]
187 187  
188 188  
189 189  
... ... @@ -190,10 +190,11 @@
190 190  == 2.3  ​Uplink Payload ==
191 191  
192 192  (((
193 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
187 +LLDS12 will uplink payload via LoRaWAN with below payload format: 
188 +)))
194 194  
195 -Uplink payload includes in total 4 bytes.
196 -Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
190 +(((
191 +Uplink payload includes in total 11 bytes.
197 197  )))
198 198  
199 199  (((
... ... @@ -203,23 +203,23 @@
203 203  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
204 204  |=(% style="width: 62.5px;" %)(((
205 205  **Size (bytes)**
206 -)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
207 -|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
208 -[[Distance>>||anchor="H2.3.3A0Distance"]]
201 +)))|=(% style="width: 62.5px;" %)**2**|=(% style="width: 62.5px;" %)**2**|=**2**|=**2**|=**1**|=**1**|=**1**
202 +|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:62.5px" %)(((
203 +[[Temperature DS18B20>>||anchor="H2.3.2A0DS18B20Temperaturesensor"]]
204 +)))|[[Distance>>||anchor="H2.3.3A0Distance"]]|[[Distance signal strength>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
205 +[[Interrupt flag>>||anchor="H2.3.5A0InterruptPin"]]
206 +)))|[[LiDAR temp>>||anchor="H2.3.6A0LiDARtemp"]]|(((
207 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
208 +)))
209 209  
210 -(unit: mm)
211 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
212 -[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
213 -)))|[[Sensor Flag>>path:#Sensor_Flag]]
210 +[[image:1654833689380-972.png]]
214 214  
215 -[[image:1654850511545-399.png]]
216 216  
217 217  
218 -
219 219  === 2.3.1  Battery Info ===
220 220  
221 221  
222 -Check the battery voltage for LDDS75.
217 +Check the battery voltage for LLDS12.
223 223  
224 224  Ex1: 0x0B45 = 2885mV
225 225  
... ... @@ -227,20 +227,49 @@
227 227  
228 228  
229 229  
230 -=== 2.3.2  Distance ===
225 +=== 2.3.2  DS18B20 Temperature sensor ===
231 231  
232 -Get the distance. Flat object range 280mm - 7500mm.
227 +This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
233 233  
234 -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" %)** 0B05(H) = 2821 (D) = 2821 mm.**
235 235  
230 +**Example**:
236 236  
237 -* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
238 -* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
232 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
239 239  
240 -=== 2.3.3  Interrupt Pin ===
234 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
241 241  
236 +
237 +
238 +=== 2.3.3  Distance ===
239 +
240 +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.
241 +
242 +
243 +**Example**:
244 +
245 +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.
246 +
247 +
248 +
249 +=== 2.3.4  Distance signal strength ===
250 +
251 +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.
252 +
253 +
254 +**Example**:
255 +
256 +If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
257 +
258 +Customers can judge whether they need to adjust the environment based on the signal strength.
259 +
260 +
261 +
262 +=== 2.3.5  Interrupt Pin ===
263 +
242 242  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.
243 243  
266 +Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]].
267 +
244 244  **Example:**
245 245  
246 246  0x00: Normal uplink packet.
... ... @@ -249,44 +249,52 @@
249 249  
250 250  
251 251  
252 -=== 2.3.4  DS18B20 Temperature sensor ===
276 +=== 2.3.6  LiDAR temp ===
253 253  
254 -This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
278 +Characterize the internal temperature value of the sensor.
255 255  
256 -**Example**:
280 +**Example: **
281 +If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
282 +If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
257 257  
258 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
259 259  
260 -If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
261 261  
262 -(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
286 +=== 2.3.7  Message Type ===
263 263  
288 +(((
289 +For a normal uplink payload, the message type is always 0x01.
290 +)))
264 264  
292 +(((
293 +Valid Message Type:
294 +)))
265 265  
266 -=== 2.3.5  Sensor Flag ===
267 267  
268 -0x01: Detect Ultrasonic Sensor
297 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:499px" %)
298 +|=(% style="width: 160px;" %)**Message Type Code**|=(% style="width: 163px;" %)**Description**|=(% style="width: 173px;" %)**Payload**
299 +|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]]
300 +|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]]
269 269  
270 -0x00: No Ultrasonic Sensor
302 +=== 2.3.8  Decode payload in The Things Network ===
271 271  
272 -
273 -===
274 -(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
275 -
276 276  While using TTN network, you can add the payload format to decode the payload.
277 277  
278 278  
279 -[[image:1654850829385-439.png]]
307 +[[image:1654592762713-715.png]]
280 280  
281 -The payload decoder function for TTN V3 is here:
309 +(((
310 +The payload decoder function for TTN is here:
311 +)))
282 282  
283 -LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
313 +(((
314 +LLDS12 TTN Payload Decoder: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Decoder/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Decoder/]]
315 +)))
284 284  
285 285  
286 286  
287 287  == 2.4  Uplink Interval ==
288 288  
289 -The LDDS75 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>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
321 +The LLDS12 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>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
290 290  
291 291  
292 292  
... ... @@ -317,25 +317,47 @@
317 317  
318 318  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
319 319  
320 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
352 +(% style="color:blue" %)**Step 4**(%%)**: Create LLDS12 product.**
321 321  
322 -[[image:1654851029373-510.png]]
354 +[[image:1654832691989-514.png]]
323 323  
324 324  
325 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
357 +[[image:1654592833877-762.png]]
326 326  
327 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
328 328  
360 +[[image:1654832740634-933.png]]
329 329  
330 330  
331 -== 2.6  Frequency Plans ==
332 332  
333 333  (((
334 -The LDDS75 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
365 +(% style="color:blue" %)**Step 5**(%%)**: add payload decode**
335 335  )))
336 336  
368 +(((
369 +
370 +)))
337 337  
372 +[[image:1654833065139-942.png]]
338 338  
374 +
375 +
376 +[[image:1654833092678-390.png]]
377 +
378 +
379 +
380 +After added, the sensor data arrive TTN, it will also arrive and show in Datacake.
381 +
382 +[[image:1654833163048-332.png]]
383 +
384 +
385 +
386 +== 2.6  Frequency Plans ==
387 +
388 +(((
389 +The LLDS12 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
390 +)))
391 +
392 +
339 339  === 2.6.1  EU863-870 (EU868) ===
340 340  
341 341  (((
... ... @@ -399,51 +399,20 @@
399 399  === 2.6.2  US902-928(US915) ===
400 400  
401 401  (((
402 -Used in USA, Canada and South America. Default use CHE=2
456 +Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
457 +)))
403 403  
404 -(% style="color:blue" %)**Uplink:**
459 +(((
460 +To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
461 +)))
405 405  
406 -903.9 - SF7BW125 to SF10BW125
407 -
408 -904.1 - SF7BW125 to SF10BW125
409 -
410 -904.3 - SF7BW125 to SF10BW125
411 -
412 -904.5 - SF7BW125 to SF10BW125
413 -
414 -904.7 - SF7BW125 to SF10BW125
415 -
416 -904.9 - SF7BW125 to SF10BW125
417 -
418 -905.1 - SF7BW125 to SF10BW125
419 -
420 -905.3 - SF7BW125 to SF10BW125
421 -
422 -
423 -(% style="color:blue" %)**Downlink:**
424 -
425 -923.3 - SF7BW500 to SF12BW500
426 -
427 -923.9 - SF7BW500 to SF12BW500
428 -
429 -924.5 - SF7BW500 to SF12BW500
430 -
431 -925.1 - SF7BW500 to SF12BW500
432 -
433 -925.7 - SF7BW500 to SF12BW500
434 -
435 -926.3 - SF7BW500 to SF12BW500
436 -
437 -926.9 - SF7BW500 to SF12BW500
438 -
439 -927.5 - SF7BW500 to SF12BW500
440 -
441 -923.3 - SF12BW500(RX2 downlink only)
442 -
443 -
444 -
463 +(((
464 +After Join success, the end node will switch to the correct sub band by:
445 445  )))
446 446  
467 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
468 +* 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)
469 +
447 447  === 2.6.3  CN470-510 (CN470) ===
448 448  
449 449  (((
... ... @@ -532,54 +532,28 @@
532 532  
533 533  
534 534  
558 +
535 535  === 2.6.4  AU915-928(AU915) ===
536 536  
537 537  (((
538 -Default use CHE=2
562 +Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
563 +)))
539 539  
540 -(% style="color:blue" %)**Uplink:**
565 +(((
566 +To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
567 +)))
541 541  
542 -916.8 - SF7BW125 to SF12BW125
543 -
544 -917.0 - SF7BW125 to SF12BW125
545 -
546 -917.2 - SF7BW125 to SF12BW125
547 -
548 -917.4 - SF7BW125 to SF12BW125
549 -
550 -917.6 - SF7BW125 to SF12BW125
551 -
552 -917.8 - SF7BW125 to SF12BW125
553 -
554 -918.0 - SF7BW125 to SF12BW125
555 -
556 -918.2 - SF7BW125 to SF12BW125
557 -
558 -
559 -(% style="color:blue" %)**Downlink:**
560 -
561 -923.3 - SF7BW500 to SF12BW500
562 -
563 -923.9 - SF7BW500 to SF12BW500
564 -
565 -924.5 - SF7BW500 to SF12BW500
566 -
567 -925.1 - SF7BW500 to SF12BW500
568 -
569 -925.7 - SF7BW500 to SF12BW500
570 -
571 -926.3 - SF7BW500 to SF12BW500
572 -
573 -926.9 - SF7BW500 to SF12BW500
574 -
575 -927.5 - SF7BW500 to SF12BW500
576 -
577 -923.3 - SF12BW500(RX2 downlink only)
578 -
579 -
569 +(((
580 580  
581 581  )))
582 582  
573 +(((
574 +After Join success, the end node will switch to the correct sub band by:
575 +)))
576 +
577 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
578 +* 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)
579 +
583 583  === 2.6.5  AS920-923 & AS923-925 (AS923) ===
584 584  
585 585  (((
... ... @@ -688,6 +688,7 @@
688 688  
689 689  
690 690  
688 +
691 691  === 2.6.6  KR920-923 (KR920) ===
692 692  
693 693  (((
... ... @@ -760,6 +760,7 @@
760 760  
761 761  
762 762  
761 +
763 763  === 2.6.7  IN865-867 (IN865) ===
764 764  
765 765  (((
... ... @@ -796,20 +796,18 @@
796 796  
797 797  
798 798  
798 +
799 799  == 2.7  LED Indicator ==
800 800  
801 -The LDDS75 has an internal LED which is to show the status of different state.
801 +The LLDS12 has an internal LED which is to show the status of different state.
802 802  
803 -
804 -* Blink once when device power on.
805 -* The device detects the sensor and flashes 5 times.
806 -* Solid ON for 5 seconds once device successful Join the network.
803 +* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
807 807  * Blink once when device transmit a packet.
808 808  
809 809  == 2.8  ​Firmware Change Log ==
810 810  
811 811  
812 -**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
809 +**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/]]
813 813  
814 814  
815 815  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
... ... @@ -816,58 +816,71 @@
816 816  
817 817  
818 818  
819 -== 2.9  Mechanical ==
816 += 3.  LiDAR ToF Measurement =
820 820  
818 +== 3.1 Principle of Distance Measurement ==
821 821  
822 -[[image:image-20220610172003-1.png]]
820 +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.
823 823  
824 -[[image:image-20220610172003-2.png]]
822 +[[image:1654831757579-263.png]]
825 825  
826 826  
827 -== 2.10  Battery Analysis ==
828 828  
829 -=== 2.10.1  Battery Type ===
826 +== 3.2 Distance Measurement Characteristics ==
830 830  
831 -The LDDS75 battery is a combination of a 4000mAh or 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
828 +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:
832 832  
830 +[[image:1654831774373-275.png]]
833 833  
834 -The battery related documents as below:
835 835  
836 -* (((
837 -[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
833 +(((
834 +(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
838 838  )))
839 -* (((
840 -[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
836 +
837 +(((
838 +(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
841 841  )))
842 -* (((
843 -[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
840 +
841 +(((
842 +(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
844 844  )))
845 845  
846 - [[image:image-20220610172400-3.png]]
847 847  
846 +(((
847 +Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at the 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:
848 +)))
848 848  
849 849  
850 -=== 2.10.2  Replace the battery ===
851 +[[image:1654831797521-720.png]]
851 851  
852 -(((
853 -You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
854 -)))
855 855  
856 856  (((
857 -
855 +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.
858 858  )))
859 859  
858 +[[image:1654831810009-716.png]]
859 +
860 +
860 860  (((
861 -The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can’t find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
862 +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.
862 862  )))
863 863  
864 864  
865 865  
866 -= 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
867 +== 3.3 Notice of usage: ==
867 867  
869 +Possible invalid /wrong reading for LiDAR ToF tech:
870 +
871 +* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
872 +* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong.
873 +* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
874 +* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
875 +
876 += 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
877 +
868 868  (((
869 869  (((
870 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
880 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
871 871  )))
872 872  )))
873 873  
... ... @@ -888,7 +888,7 @@
888 888  )))
889 889  
890 890  (((
891 -There are two kinds of commands to configure LDDS75, they are:
901 +There are two kinds of commands to configure LLDS12, they are:
892 892  )))
893 893  )))
894 894  
... ... @@ -929,83 +929,249 @@
929 929  
930 930  * (((
931 931  (((
932 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
942 +(% style="color:#4f81bd" %)** Commands special design for LLDS12**
933 933  )))
934 934  )))
935 935  
936 936  (((
937 937  (((
938 -These commands only valid for LDDS75, as below:
948 +These commands only valid for LLDS12, as below:
939 939  )))
940 940  )))
941 941  
942 942  
943 943  
944 -== 3.1  Access AT Commands ==
954 +== 4.1  Set Transmit Interval Time ==
945 945  
946 -LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
956 +Feature: Change LoRaWAN End Node Transmit Interval.
947 947  
948 -[[image:image-20220610172924-4.png||height="483" width="988"]]
958 +(% style="color:#037691" %)**AT Command: AT+TDC**
949 949  
960 +[[image:image-20220607171554-8.png]]
950 950  
951 -Or if you have below board, use below connection:
952 952  
963 +(((
964 +(% style="color:#037691" %)**Downlink Command: 0x01**
965 +)))
953 953  
954 -[[image:image-20220610172924-5.png]]
967 +(((
968 +Format: Command Code (0x01) followed by 3 bytes time value.
969 +)))
955 955  
971 +(((
972 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
973 +)))
956 956  
957 -In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
975 +* (((
976 +Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
977 +)))
978 +* (((
979 +Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
980 +)))
958 958  
982 +== 4.2  Set Interrupt Mode ==
959 959  
960 - [[image:image-20220610172924-6.png||height="601" width="860"]]
984 +Feature, Set Interrupt mode for GPIO_EXIT.
961 961  
986 +(% style="color:#037691" %)**AT Command: AT+INTMOD**
962 962  
988 +[[image:image-20220610105806-2.png]]
963 963  
964 -== 3.2  Set Transmit Interval Time ==
965 965  
966 -Feature: Change LoRaWAN End Node Transmit Interval.
991 +(((
992 +(% style="color:#037691" %)**Downlink Command: 0x06**
993 +)))
967 967  
968 -(% style="color:#037691" %)**AT Command: AT+TDC**
995 +(((
996 +Format: Command Code (0x06) followed by 3 bytes.
997 +)))
969 969  
970 -[[image:image-20220610173409-7.png]]
999 +(((
1000 +This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1001 +)))
971 971  
1003 +* (((
1004 +Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1005 +)))
1006 +* (((
1007 +Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1008 +)))
972 972  
1010 +== 4.3  Get Firmware Version Info ==
1011 +
1012 +Feature: use downlink to get firmware version.
1013 +
1014 +(% style="color:#037691" %)**Downlink Command: 0x26**
1015 +
1016 +[[image:image-20220607171917-10.png]]
1017 +
1018 +* Reply to the confirmation package: 26 01
1019 +* Reply to non-confirmed packet: 26 00
1020 +
1021 +Device will send an uplink after got this downlink command. With below payload:
1022 +
1023 +Configures info payload:
1024 +
1025 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
1026 +|=(((
1027 +**Size(bytes)**
1028 +)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
1029 +|**Value**|Software Type|(((
1030 +Frequency
1031 +
1032 +Band
1033 +)))|Sub-band|(((
1034 +Firmware
1035 +
1036 +Version
1037 +)))|Sensor Type|Reserve|(((
1038 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
1039 +Always 0x02
1040 +)))
1041 +
1042 +**Software Type**: Always 0x03 for LLDS12
1043 +
1044 +
1045 +**Frequency Band**:
1046 +
1047 +*0x01: EU868
1048 +
1049 +*0x02: US915
1050 +
1051 +*0x03: IN865
1052 +
1053 +*0x04: AU915
1054 +
1055 +*0x05: KZ865
1056 +
1057 +*0x06: RU864
1058 +
1059 +*0x07: AS923
1060 +
1061 +*0x08: AS923-1
1062 +
1063 +*0x09: AS923-2
1064 +
1065 +*0xa0: AS923-3
1066 +
1067 +
1068 +**Sub-Band**: value 0x00 ~~ 0x08
1069 +
1070 +
1071 +**Firmware Version**: 0x0100, Means: v1.0.0 version
1072 +
1073 +
1074 +**Sensor Type**:
1075 +
1076 +0x01: LSE01
1077 +
1078 +0x02: LDDS75
1079 +
1080 +0x03: LDDS20
1081 +
1082 +0x04: LLMS01
1083 +
1084 +0x05: LSPH01
1085 +
1086 +0x06: LSNPK01
1087 +
1088 +0x07: LLDS12
1089 +
1090 +
1091 +
1092 += 5.  Battery & How to replace =
1093 +
1094 +== 5.1  Battery Type ==
1095 +
973 973  (((
974 -(% style="color:#037691" %)**Downlink Command: 0x01**
1097 +LLDS12 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
975 975  )))
976 976  
977 977  (((
1101 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1102 +)))
1103 +
1104 +[[image:1654593587246-335.png]]
1105 +
1106 +
1107 +Minimum Working Voltage for the LLDS12:
1108 +
1109 +LLDS12:  2.45v ~~ 3.6v
1110 +
1111 +
1112 +
1113 +== 5.2  Replace Battery ==
1114 +
978 978  (((
979 -Format: Command Code (0x01) followed by 3 bytes time value.
1116 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1117 +)))
980 980  
981 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1119 +(((
1120 +And make sure the positive and negative pins match.
1121 +)))
982 982  
983 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
984 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1123 +
1124 +
1125 +== 5.3  Power Consumption Analyze ==
1126 +
1127 +(((
1128 +Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
985 985  )))
986 986  
1131 +(((
1132 +Instruction to use as below:
1133 +)))
987 987  
988 -
1135 +
1136 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
1137 +
1138 +[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
1139 +
1140 +
1141 +**Step 2**: Open it and choose
1142 +
1143 +* Product Model
1144 +* Uplink Interval
1145 +* Working Mode
1146 +
1147 +And the Life expectation in difference case will be shown on the right.
1148 +
1149 +[[image:1654593605679-189.png]]
1150 +
1151 +
1152 +The battery related documents as below:
1153 +
1154 +* (((
1155 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
989 989  )))
1157 +* (((
1158 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
1159 +)))
1160 +* (((
1161 +[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
1162 +)))
990 990  
991 -== 3.3  Set Interrupt Mode ==
1164 +[[image:image-20220607172042-11.png]]
992 992  
993 -Feature, Set Interrupt mode for GPIO_EXIT.
994 994  
995 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
996 996  
997 -[[image:image-20220610105907-1.png]]
1168 +=== 5.3.1  ​Battery Note ===
998 998  
1170 +(((
1171 +The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
1172 +)))
999 999  
1000 -(% style="color:#037691" %)**Downlink Command: 0x06**
1001 1001  
1002 -Format: Command Code (0x06) followed by 3 bytes.
1003 1003  
1004 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1176 +=== ​5.3.2  Replace the battery ===
1005 1005  
1006 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1007 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1178 +(((
1179 +You can change the battery in the LLDS12.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
1180 +)))
1008 1008  
1182 +(((
1183 +The default battery pack of LLDS12 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
1184 +)))
1009 1009  
1010 1010  
1011 1011  
... ... @@ -1042,17 +1042,17 @@
1042 1042  Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1043 1043  
1044 1044  
1045 -= 4.  FAQ =
1221 += 7.  FAQ =
1046 1046  
1047 -== 4.1  How to change the LoRa Frequency Bands/Region ==
1223 +== 7.1  How to change the LoRa Frequency Bands/Region ==
1048 1048  
1049 1049  You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1050 1050  When downloading the images, choose the required image file for download. ​
1051 1051  
1052 1052  
1053 -= 5.  Trouble Shooting =
1229 += 8.  Trouble Shooting =
1054 1054  
1055 -== 5.1  AT Commands input doesn’t work ==
1231 +== 8.1  AT Commands input doesn’t work ==
1056 1056  
1057 1057  
1058 1058  (((
... ... @@ -1060,7 +1060,7 @@
1060 1060  )))
1061 1061  
1062 1062  
1063 -== 5.2  Significant error between the output distant value of LiDAR and actual distance ==
1239 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1064 1064  
1065 1065  
1066 1066  (((
... ... @@ -1085,10 +1085,10 @@
1085 1085  
1086 1086  
1087 1087  
1088 -= 6.  Order Info =
1264 += 9.  Order Info =
1089 1089  
1090 1090  
1091 -Part Number: (% style="color:blue" %)**LDDS75-XX-YY**
1267 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1092 1092  
1093 1093  
1094 1094  (% style="color:blue" %)**XX**(%%): The default frequency band
... ... @@ -1102,18 +1102,12 @@
1102 1102  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1103 1103  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1104 1104  
1105 -(% style="color:blue" %)**YY**(%%): Battery Option
1281 += 10. ​ Packing Info =
1106 1106  
1107 -* (% style="color:red" %)**4**(%%): 4000mAh battery
1108 -* (% style="color:red" %)**8**(%%): 8500mAh battery
1109 1109  
1110 -
1111 -= 7. ​ Packing Info =
1112 -
1113 -
1114 1114  **Package Includes**:
1115 1115  
1116 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1286 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1117 1117  
1118 1118  **Dimension and weight**:
1119 1119  
... ... @@ -1122,8 +1122,7 @@
1122 1122  * Package Size / pcs : cm
1123 1123  * Weight / pcs : g
1124 1124  
1295 += 11.  ​Support =
1125 1125  
1126 -= 8.  ​Support =
1127 -
1128 1128  * 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.
1129 1129  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].
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