Last modified by Xiaoling on 2025/04/27 16:45
<
From version < 150.3 >
edited by Xiaoling
on 2022/06/11 08:33
To version < 127.1 >
edited by Xiaoling
on 2022/06/10 16:13
>
Change comment: Uploaded new attachment "image-20220610161353-5.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -3,7 +3,6 @@
3 3  
4 4  **Contents:**
5 5  
6 -{{toc/}}
7 7  
8 8  
9 9  
... ... @@ -11,7 +11,6 @@
11 11  
12 12  
13 13  
14 -
15 15  = 1.  Introduction =
16 16  
17 17  == 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
... ... @@ -73,20 +73,15 @@
73 73  
74 74  === 1.3.2  Effective measurement range Reference beam pattern ===
75 75  
76 -**(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"]]
77 77  
78 78  
79 79  
80 -[[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"]]
81 81  
80 +(% style="display:none" %) (%%)
82 82  
83 -**(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.**
84 84  
85 -
86 -[[image:1654852175653-550.png]](% style="display:none" %) ** **
87 -
88 -
89 -
90 90  == 1.5 ​ Applications ==
91 91  
92 92  * Horizontal distance measurement
... ... @@ -99,6 +99,7 @@
99 99  * Sewer
100 100  * Bottom water level monitoring
101 101  
95 +
102 102  == 1.6  Pin mapping and power on ==
103 103  
104 104  
... ... @@ -105,7 +105,6 @@
105 105  [[image:1654847583902-256.png]]
106 106  
107 107  
108 -
109 109  = 2.  Configure LDDS75 to connect to LoRaWAN network =
110 110  
111 111  == 2.1  How it works ==
... ... @@ -119,7 +119,6 @@
119 119  )))
120 120  
121 121  
122 -
123 123  == 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
124 124  
125 125  (((
... ... @@ -149,43 +149,44 @@
149 149  
150 150  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
151 151  
152 -**Add APP EUI in the application**
153 153  
154 -[[image:image-20220610161353-4.png]]
145 +**Register the device**
155 155  
156 -[[image:image-20220610161353-5.png]]
157 157  
158 -[[image:image-20220610161353-6.png]]
148 +[[image:1654592600093-601.png]]
159 159  
160 160  
161 -[[image:image-20220610161353-7.png]]
162 162  
152 +**Add APP EUI and DEV EUI**
163 163  
164 -You can also choose to create the device manually.
154 +[[image:1654592619856-881.png]]
165 165  
166 - [[image:image-20220610161538-8.png]]
167 167  
168 168  
158 +**Add APP EUI in the application**
169 169  
170 -**Add APP KEY and DEV EUI**
160 +[[image:1654592632656-512.png]]
171 171  
172 -[[image:image-20220610161538-9.png]]
173 173  
174 174  
164 +**Add APP KEY**
175 175  
176 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
166 +[[image:1654592653453-934.png]]
177 177  
178 178  
169 +(% style="color:blue" %)**Step 2**(%%): Power on LLDS12
170 +
171 +
179 179  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
180 180  
181 -[[image:image-20220610161724-10.png]]
174 +[[image:image-20220607170442-2.png]]
182 182  
183 183  
184 184  (((
185 -(% 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.
178 +(% 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.
186 186  )))
187 187  
188 -[[image:1654849068701-275.png]]
181 +[[image:1654833501679-968.png]]
189 189  
190 190  
191 191  
... ... @@ -192,10 +192,11 @@
192 192  == 2.3  ​Uplink Payload ==
193 193  
194 194  (((
195 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
188 +LLDS12 will uplink payload via LoRaWAN with below payload format: 
189 +)))
196 196  
197 -Uplink payload includes in total 4 bytes.
198 -Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
191 +(((
192 +Uplink payload includes in total 11 bytes.
199 199  )))
200 200  
201 201  (((
... ... @@ -205,23 +205,23 @@
205 205  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
206 206  |=(% style="width: 62.5px;" %)(((
207 207  **Size (bytes)**
208 -)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
209 -|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
210 -[[Distance>>||anchor="H2.3.3A0Distance"]]
202 +)))|=(% style="width: 62.5px;" %)**2**|=(% style="width: 62.5px;" %)**2**|=**2**|=**2**|=**1**|=**1**|=**1**
203 +|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:62.5px" %)(((
204 +[[Temperature DS18B20>>||anchor="H2.3.2A0DS18B20Temperaturesensor"]]
205 +)))|[[Distance>>||anchor="H2.3.3A0Distance"]]|[[Distance signal strength>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
206 +[[Interrupt flag>>||anchor="H2.3.5A0InterruptPin"]]
207 +)))|[[LiDAR temp>>||anchor="H2.3.6A0LiDARtemp"]]|(((
208 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
209 +)))
211 211  
212 -(unit: mm)
213 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
214 -[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
215 -)))|[[Sensor Flag>>path:#Sensor_Flag]]
211 +[[image:1654833689380-972.png]]
216 216  
217 -[[image:1654850511545-399.png]]
218 218  
219 219  
220 -
221 221  === 2.3.1  Battery Info ===
222 222  
223 223  
224 -Check the battery voltage for LDDS75.
218 +Check the battery voltage for LLDS12.
225 225  
226 226  Ex1: 0x0B45 = 2885mV
227 227  
... ... @@ -229,70 +229,103 @@
229 229  
230 230  
231 231  
232 -=== 2.3.2  Distance ===
226 +=== 2.3.2  DS18B20 Temperature sensor ===
233 233  
234 -Get the distance. Flat object range 280mm - 7500mm.
228 +This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
235 235  
236 -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.**
237 237  
231 +**Example**:
238 238  
239 -* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
240 -* 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.
233 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
241 241  
242 -=== 2.3.3  Interrupt Pin ===
235 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
243 243  
244 -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.
245 245  
246 -**Example:**
247 247  
248 -0x00: Normal uplink packet.
239 +=== 2.3.3  Distance ===
249 249  
250 -0x01: Interrupt Uplink Packet.
241 +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.
251 251  
252 252  
244 +**Example**:
253 253  
254 -=== 2.3.4  DS18B20 Temperature sensor ===
246 +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.
255 255  
256 -This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
257 257  
249 +
250 +=== 2.3.4  Distance signal strength ===
251 +
252 +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.
253 +
254 +
258 258  **Example**:
259 259  
260 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
257 +If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
261 261  
262 -If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
259 +Customers can judge whether they need to adjust the environment based on the signal strength.
263 263  
264 -(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
265 265  
266 266  
263 +=== 2.3.5  Interrupt Pin ===
267 267  
268 -=== 2.3.5  Sensor Flag ===
265 +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.
269 269  
270 -0x01: Detect Ultrasonic Sensor
267 +Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]].
271 271  
272 -0x00: No Ultrasonic Sensor
269 +**Example:**
273 273  
271 +0x00: Normal uplink packet.
274 274  
275 -(% class="wikigeneratedid" %)
273 +0x01: Interrupt Uplink Packet.
276 276  
277 277  
278 -(% class="wikigeneratedid" id="H2.3.6A0DecodepayloadinTheThingsNetwork" %)
279 279  
280 -(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network
277 +=== 2.3.6  LiDAR temp ===
281 281  
279 +Characterize the internal temperature value of the sensor.
280 +
281 +**Example: **
282 +If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
283 +If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
284 +
285 +
286 +
287 +=== 2.3.7  Message Type ===
288 +
289 +(((
290 +For a normal uplink payload, the message type is always 0x01.
291 +)))
292 +
293 +(((
294 +Valid Message Type:
295 +)))
296 +
297 +
298 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:499px" %)
299 +|=(% style="width: 160px;" %)**Message Type Code**|=(% style="width: 163px;" %)**Description**|=(% style="width: 173px;" %)**Payload**
300 +|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]]
301 +|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]]
302 +
303 +=== 2.3.8  Decode payload in The Things Network ===
304 +
282 282  While using TTN network, you can add the payload format to decode the payload.
283 283  
284 284  
285 -[[image:1654850829385-439.png]]
308 +[[image:1654592762713-715.png]]
286 286  
287 -The payload decoder function for TTN V3 is here:
310 +(((
311 +The payload decoder function for TTN is here:
312 +)))
288 288  
289 -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/]]
314 +(((
315 +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/]]
316 +)))
290 290  
291 291  
292 292  
293 293  == 2.4  Uplink Interval ==
294 294  
295 -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"]]
322 +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"]]
296 296  
297 297  
298 298  
... ... @@ -323,25 +323,47 @@
323 323  
324 324  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
325 325  
326 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
353 +(% style="color:blue" %)**Step 4**(%%)**: Create LLDS12 product.**
327 327  
328 -[[image:1654851029373-510.png]]
355 +[[image:1654832691989-514.png]]
329 329  
330 330  
331 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
358 +[[image:1654592833877-762.png]]
332 332  
333 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
334 334  
361 +[[image:1654832740634-933.png]]
335 335  
336 336  
337 -== 2.6  Frequency Plans ==
338 338  
339 339  (((
340 -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.
366 +(% style="color:blue" %)**Step 5**(%%)**: add payload decode**
341 341  )))
342 342  
369 +(((
370 +
371 +)))
343 343  
373 +[[image:1654833065139-942.png]]
344 344  
375 +
376 +
377 +[[image:1654833092678-390.png]]
378 +
379 +
380 +
381 +After added, the sensor data arrive TTN, it will also arrive and show in Datacake.
382 +
383 +[[image:1654833163048-332.png]]
384 +
385 +
386 +
387 +== 2.6  Frequency Plans ==
388 +
389 +(((
390 +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.
391 +)))
392 +
393 +
345 345  === 2.6.1  EU863-870 (EU868) ===
346 346  
347 347  (((
... ... @@ -405,51 +405,20 @@
405 405  === 2.6.2  US902-928(US915) ===
406 406  
407 407  (((
408 -Used in USA, Canada and South America. Default use CHE=2
457 +Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
458 +)))
409 409  
410 -(% style="color:blue" %)**Uplink:**
460 +(((
461 +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.
462 +)))
411 411  
412 -903.9 - SF7BW125 to SF10BW125
413 -
414 -904.1 - SF7BW125 to SF10BW125
415 -
416 -904.3 - SF7BW125 to SF10BW125
417 -
418 -904.5 - SF7BW125 to SF10BW125
419 -
420 -904.7 - SF7BW125 to SF10BW125
421 -
422 -904.9 - SF7BW125 to SF10BW125
423 -
424 -905.1 - SF7BW125 to SF10BW125
425 -
426 -905.3 - SF7BW125 to SF10BW125
427 -
428 -
429 -(% style="color:blue" %)**Downlink:**
430 -
431 -923.3 - SF7BW500 to SF12BW500
432 -
433 -923.9 - SF7BW500 to SF12BW500
434 -
435 -924.5 - SF7BW500 to SF12BW500
436 -
437 -925.1 - SF7BW500 to SF12BW500
438 -
439 -925.7 - SF7BW500 to SF12BW500
440 -
441 -926.3 - SF7BW500 to SF12BW500
442 -
443 -926.9 - SF7BW500 to SF12BW500
444 -
445 -927.5 - SF7BW500 to SF12BW500
446 -
447 -923.3 - SF12BW500(RX2 downlink only)
448 -
449 -
450 -
464 +(((
465 +After Join success, the end node will switch to the correct sub band by:
451 451  )))
452 452  
468 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
469 +* 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)
470 +
453 453  === 2.6.3  CN470-510 (CN470) ===
454 454  
455 455  (((
... ... @@ -538,54 +538,28 @@
538 538  
539 539  
540 540  
559 +
541 541  === 2.6.4  AU915-928(AU915) ===
542 542  
543 543  (((
544 -Default use CHE=2
563 +Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
564 +)))
545 545  
546 -(% style="color:blue" %)**Uplink:**
566 +(((
567 +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.
568 +)))
547 547  
548 -916.8 - SF7BW125 to SF12BW125
549 -
550 -917.0 - SF7BW125 to SF12BW125
551 -
552 -917.2 - SF7BW125 to SF12BW125
553 -
554 -917.4 - SF7BW125 to SF12BW125
555 -
556 -917.6 - SF7BW125 to SF12BW125
557 -
558 -917.8 - SF7BW125 to SF12BW125
559 -
560 -918.0 - SF7BW125 to SF12BW125
561 -
562 -918.2 - SF7BW125 to SF12BW125
563 -
564 -
565 -(% style="color:blue" %)**Downlink:**
566 -
567 -923.3 - SF7BW500 to SF12BW500
568 -
569 -923.9 - SF7BW500 to SF12BW500
570 -
571 -924.5 - SF7BW500 to SF12BW500
572 -
573 -925.1 - SF7BW500 to SF12BW500
574 -
575 -925.7 - SF7BW500 to SF12BW500
576 -
577 -926.3 - SF7BW500 to SF12BW500
578 -
579 -926.9 - SF7BW500 to SF12BW500
580 -
581 -927.5 - SF7BW500 to SF12BW500
582 -
583 -923.3 - SF12BW500(RX2 downlink only)
584 -
585 -
570 +(((
586 586  
587 587  )))
588 588  
574 +(((
575 +After Join success, the end node will switch to the correct sub band by:
576 +)))
577 +
578 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
579 +* 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)
580 +
589 589  === 2.6.5  AS920-923 & AS923-925 (AS923) ===
590 590  
591 591  (((
... ... @@ -694,6 +694,7 @@
694 694  
695 695  
696 696  
689 +
697 697  === 2.6.6  KR920-923 (KR920) ===
698 698  
699 699  (((
... ... @@ -766,6 +766,7 @@
766 766  
767 767  
768 768  
762 +
769 769  === 2.6.7  IN865-867 (IN865) ===
770 770  
771 771  (((
... ... @@ -802,20 +802,18 @@
802 802  
803 803  
804 804  
799 +
805 805  == 2.7  LED Indicator ==
806 806  
807 -The LDDS75 has an internal LED which is to show the status of different state.
802 +The LLDS12 has an internal LED which is to show the status of different state.
808 808  
809 -
810 -* Blink once when device power on.
811 -* The device detects the sensor and flashes 5 times.
812 -* Solid ON for 5 seconds once device successful Join the network.
804 +* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
813 813  * Blink once when device transmit a packet.
814 814  
815 815  == 2.8  ​Firmware Change Log ==
816 816  
817 817  
818 -**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/]]
810 +**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/]]
819 819  
820 820  
821 821  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
... ... @@ -822,58 +822,71 @@
822 822  
823 823  
824 824  
825 -== 2.9  Mechanical ==
817 += 3.  LiDAR ToF Measurement =
826 826  
819 +== 3.1 Principle of Distance Measurement ==
827 827  
828 -[[image:image-20220610172003-1.png]]
821 +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.
829 829  
830 -[[image:image-20220610172003-2.png]]
823 +[[image:1654831757579-263.png]]
831 831  
832 832  
833 -== 2.10  Battery Analysis ==
834 834  
835 -=== 2.10.1  Battery Type ===
827 +== 3.2 Distance Measurement Characteristics ==
836 836  
837 -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.
829 +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:
838 838  
831 +[[image:1654831774373-275.png]]
839 839  
840 -The battery related documents as below:
841 841  
842 -* (((
843 -[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
834 +(((
835 +(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
844 844  )))
845 -* (((
846 -[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
837 +
838 +(((
839 +(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
847 847  )))
848 -* (((
849 -[[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]]
841 +
842 +(((
843 +(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
850 850  )))
851 851  
852 - [[image:image-20220610172400-3.png]]
853 853  
847 +(((
848 +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:
849 +)))
854 854  
855 855  
856 -=== 2.10.2  Replace the battery ===
852 +[[image:1654831797521-720.png]]
857 857  
858 -(((
859 -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.
860 -)))
861 861  
862 862  (((
863 -
856 +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.
864 864  )))
865 865  
859 +[[image:1654831810009-716.png]]
860 +
861 +
866 866  (((
867 -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)
863 +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.
868 868  )))
869 869  
870 870  
871 871  
872 -= 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
868 +== 3.3 Notice of usage: ==
873 873  
870 +Possible invalid /wrong reading for LiDAR ToF tech:
871 +
872 +* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
873 +* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong.
874 +* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
875 +* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
876 +
877 += 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
878 +
874 874  (((
875 875  (((
876 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
881 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
877 877  )))
878 878  )))
879 879  
... ... @@ -894,7 +894,7 @@
894 894  )))
895 895  
896 896  (((
897 -There are two kinds of commands to configure LDDS75, they are:
902 +There are two kinds of commands to configure LLDS12, they are:
898 898  )))
899 899  )))
900 900  
... ... @@ -935,152 +935,351 @@
935 935  
936 936  * (((
937 937  (((
938 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
943 +(% style="color:#4f81bd" %)** Commands special design for LLDS12**
939 939  )))
940 940  )))
941 941  
942 942  (((
943 943  (((
944 -These commands only valid for LDDS75, as below:
949 +These commands only valid for LLDS12, as below:
945 945  )))
946 946  )))
947 947  
948 948  
949 949  
950 -== 3.1  Access AT Commands ==
955 +== 4.1  Set Transmit Interval Time ==
951 951  
952 -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.
957 +Feature: Change LoRaWAN End Node Transmit Interval.
953 953  
954 -[[image:image-20220610172924-4.png||height="483" width="988"]]
959 +(% style="color:#037691" %)**AT Command: AT+TDC**
955 955  
961 +[[image:image-20220607171554-8.png]]
956 956  
957 -Or if you have below board, use below connection:
958 958  
964 +(((
965 +(% style="color:#037691" %)**Downlink Command: 0x01**
966 +)))
959 959  
960 -[[image:image-20220610172924-5.png]]
968 +(((
969 +Format: Command Code (0x01) followed by 3 bytes time value.
970 +)))
961 961  
972 +(((
973 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
974 +)))
962 962  
963 -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:
976 +* (((
977 +Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
978 +)))
979 +* (((
980 +Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
981 +)))
964 964  
983 +== 4.2  Set Interrupt Mode ==
965 965  
966 - [[image:image-20220610172924-6.png||height="601" width="860"]]
985 +Feature, Set Interrupt mode for GPIO_EXIT.
967 967  
987 +(% style="color:#037691" %)**AT Command: AT+INTMOD**
968 968  
989 +[[image:image-20220610105806-2.png]]
969 969  
970 -== 3.2  Set Transmit Interval Time ==
971 971  
972 -Feature: Change LoRaWAN End Node Transmit Interval.
992 +(((
993 +(% style="color:#037691" %)**Downlink Command: 0x06**
994 +)))
973 973  
974 -(% style="color:#037691" %)**AT Command: AT+TDC**
996 +(((
997 +Format: Command Code (0x06) followed by 3 bytes.
998 +)))
975 975  
976 -[[image:image-20220610173409-7.png]]
1000 +(((
1001 +This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1002 +)))
977 977  
1004 +* (((
1005 +Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1006 +)))
1007 +* (((
1008 +Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1009 +)))
978 978  
1011 +== 4.3  Get Firmware Version Info ==
1012 +
1013 +Feature: use downlink to get firmware version.
1014 +
1015 +(% style="color:#037691" %)**Downlink Command: 0x26**
1016 +
1017 +[[image:image-20220607171917-10.png]]
1018 +
1019 +* Reply to the confirmation package: 26 01
1020 +* Reply to non-confirmed packet: 26 00
1021 +
1022 +Device will send an uplink after got this downlink command. With below payload:
1023 +
1024 +Configures info payload:
1025 +
1026 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
1027 +|=(((
1028 +**Size(bytes)**
1029 +)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
1030 +|**Value**|Software Type|(((
1031 +Frequency
1032 +
1033 +Band
1034 +)))|Sub-band|(((
1035 +Firmware
1036 +
1037 +Version
1038 +)))|Sensor Type|Reserve|(((
1039 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
1040 +Always 0x02
1041 +)))
1042 +
1043 +**Software Type**: Always 0x03 for LLDS12
1044 +
1045 +
1046 +**Frequency Band**:
1047 +
1048 +*0x01: EU868
1049 +
1050 +*0x02: US915
1051 +
1052 +*0x03: IN865
1053 +
1054 +*0x04: AU915
1055 +
1056 +*0x05: KZ865
1057 +
1058 +*0x06: RU864
1059 +
1060 +*0x07: AS923
1061 +
1062 +*0x08: AS923-1
1063 +
1064 +*0x09: AS923-2
1065 +
1066 +*0xa0: AS923-3
1067 +
1068 +
1069 +**Sub-Band**: value 0x00 ~~ 0x08
1070 +
1071 +
1072 +**Firmware Version**: 0x0100, Means: v1.0.0 version
1073 +
1074 +
1075 +**Sensor Type**:
1076 +
1077 +0x01: LSE01
1078 +
1079 +0x02: LDDS75
1080 +
1081 +0x03: LDDS20
1082 +
1083 +0x04: LLMS01
1084 +
1085 +0x05: LSPH01
1086 +
1087 +0x06: LSNPK01
1088 +
1089 +0x07: LLDS12
1090 +
1091 +
1092 +
1093 += 5.  Battery & How to replace =
1094 +
1095 +== 5.1  Battery Type ==
1096 +
979 979  (((
980 -(% style="color:#037691" %)**Downlink Command: 0x01**
1098 +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.
981 981  )))
982 982  
983 983  (((
1102 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1103 +)))
1104 +
1105 +[[image:1654593587246-335.png]]
1106 +
1107 +
1108 +Minimum Working Voltage for the LLDS12:
1109 +
1110 +LLDS12:  2.45v ~~ 3.6v
1111 +
1112 +
1113 +
1114 +== 5.2  Replace Battery ==
1115 +
984 984  (((
985 -Format: Command Code (0x01) followed by 3 bytes time value.
1117 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1118 +)))
986 986  
987 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1120 +(((
1121 +And make sure the positive and negative pins match.
1122 +)))
988 988  
989 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
990 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1124 +
1125 +
1126 +== 5.3  Power Consumption Analyze ==
1127 +
1128 +(((
1129 +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.
991 991  )))
992 992  
1132 +(((
1133 +Instruction to use as below:
1134 +)))
993 993  
994 -
1136 +
1137 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
1138 +
1139 +[[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/]]
1140 +
1141 +
1142 +**Step 2**: Open it and choose
1143 +
1144 +* Product Model
1145 +* Uplink Interval
1146 +* Working Mode
1147 +
1148 +And the Life expectation in difference case will be shown on the right.
1149 +
1150 +[[image:1654593605679-189.png]]
1151 +
1152 +
1153 +The battery related documents as below:
1154 +
1155 +* (((
1156 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
995 995  )))
1158 +* (((
1159 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
1160 +)))
1161 +* (((
1162 +[[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]]
1163 +)))
996 996  
997 -== 3.3  Set Interrupt Mode ==
1165 +[[image:image-20220607172042-11.png]]
998 998  
999 -Feature, Set Interrupt mode for GPIO_EXIT.
1000 1000  
1001 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1002 1002  
1003 -[[image:image-20220610174917-9.png]]
1169 +=== 5.3.1  ​Battery Note ===
1004 1004  
1171 +(((
1172 +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.
1173 +)))
1005 1005  
1006 -(% style="color:#037691" %)**Downlink Command: 0x06**
1007 1007  
1008 -Format: Command Code (0x06) followed by 3 bytes.
1009 1009  
1010 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1177 +=== ​5.3.2  Replace the battery ===
1011 1011  
1012 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1013 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1179 +(((
1180 +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.
1181 +)))
1014 1014  
1183 +(((
1184 +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)
1185 +)))
1015 1015  
1016 1016  
1017 -= 4.  FAQ =
1018 1018  
1019 -== 4.1  What is the frequency plan for LDDS75? ==
1189 += 6.  Use AT Command =
1020 1020  
1021 -LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
1191 +== 6.1  Access AT Commands ==
1022 1022  
1193 +LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below.
1023 1023  
1195 +[[image:1654593668970-604.png]]
1024 1024  
1025 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1197 +**Connection:**
1026 1026  
1027 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1028 -When downloading the images, choose the required image file for download. ​
1199 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1029 1029  
1201 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1030 1030  
1203 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1031 1031  
1032 -== 4.3  Can I use LDDS75 in condensation environment? ==
1033 1033  
1034 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1206 +(((
1207 +(((
1208 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1209 +)))
1035 1035  
1211 +(((
1212 +LLDS12 will output system info once power on as below:
1213 +)))
1214 +)))
1036 1036  
1037 1037  
1038 -= 5.  Trouble Shooting =
1217 + [[image:1654593712276-618.png]]
1039 1039  
1040 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1219 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1041 1041  
1042 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1043 1043  
1222 += 7.  FAQ =
1044 1044  
1045 -== 5.2  AT Command input doesn't work ==
1224 +== 7.1  How to change the LoRa Frequency Bands/Region ==
1046 1046  
1226 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1227 +When downloading the images, choose the required image file for download. ​
1228 +
1229 +
1230 += 8.  Trouble Shooting =
1231 +
1232 +== 8.1  AT Commands input doesn’t work ==
1233 +
1234 +
1235 +(((
1047 1047  In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
1237 +)))
1048 1048  
1239 +
1240 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1241 +
1242 +
1049 1049  (((
1050 -
1244 +(% 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.)
1051 1051  )))
1052 1052  
1247 +(((
1248 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
1249 +)))
1053 1053  
1054 -= 6.  Order Info =
1251 +(((
1252 +
1253 +)))
1055 1055  
1255 +(((
1256 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1257 +)))
1056 1056  
1057 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1259 +(((
1260 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1261 +)))
1058 1058  
1059 1059  
1060 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1061 1061  
1062 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1063 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1064 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1065 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1066 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1067 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1068 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1069 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1265 += 9.  Order Info =
1070 1070  
1071 -(% style="color:blue" %)**YY**(%%): Battery Option
1072 1072  
1073 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1074 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1268 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1075 1075  
1076 1076  
1271 +(% style="color:blue" %)**XX**(%%): The default frequency band
1077 1077  
1078 -= 7. ​ Packing Info =
1273 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
1274 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1275 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1276 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1277 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1278 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1279 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1280 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1079 1079  
1282 += 10. ​ Packing Info =
1080 1080  
1284 +
1081 1081  **Package Includes**:
1082 1082  
1083 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1287 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1084 1084  
1085 1085  **Dimension and weight**:
1086 1086  
... ... @@ -1089,9 +1089,7 @@
1089 1089  * Package Size / pcs : cm
1090 1090  * Weight / pcs : g
1091 1091  
1296 += 11.  ​Support =
1092 1092  
1093 -
1094 -= 8.  ​Support =
1095 -
1096 1096  * 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.
1097 1097  * 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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