Last modified by Mengting Qiu on 2024/03/07 08:41
<
From version < 140.4 >
edited by Xiaoling
on 2022/06/10 17:11
To version < 133.3 >
edited by Xiaoling
on 2022/06/10 16:23
>
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... ... @@ -57,7 +57,6 @@
57 57  * IP66 Waterproof Enclosure
58 58  * 4000mAh or 8500mAh Battery for long term use
59 59  
60 -
61 61  == 1.3  Specification ==
62 62  
63 63  === 1.3.1  Rated environmental conditions ===
... ... @@ -72,20 +72,15 @@
72 72  
73 73  === 1.3.2  Effective measurement range Reference beam pattern ===
74 74  
75 -**(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"]]
76 76  
77 77  
78 78  
79 -[[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"]]
80 80  
80 +(% style="display:none" %) (%%)
81 81  
82 -**(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.**
83 83  
84 -
85 -[[image:1654852175653-550.png]](% style="display:none" %) ** **
86 -
87 -
88 -
89 89  == 1.5 ​ Applications ==
90 90  
91 91  * Horizontal distance measurement
... ... @@ -99,7 +99,6 @@
99 99  * Bottom water level monitoring
100 100  
101 101  
102 -
103 103  == 1.6  Pin mapping and power on ==
104 104  
105 105  
... ... @@ -106,7 +106,6 @@
106 106  [[image:1654847583902-256.png]]
107 107  
108 108  
109 -
110 110  = 2.  Configure LDDS75 to connect to LoRaWAN network =
111 111  
112 112  == 2.1  How it works ==
... ... @@ -120,7 +120,6 @@
120 120  )))
121 121  
122 122  
123 -
124 124  == 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
125 125  
126 126  (((
... ... @@ -193,7 +193,7 @@
193 193  == 2.3  ​Uplink Payload ==
194 194  
195 195  (((
196 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
187 +LDDS75 will uplink payload via LoRaWAN with below payload format:
197 197  
198 198  Uplink payload includes in total 4 bytes.
199 199  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
... ... @@ -206,23 +206,23 @@
206 206  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
207 207  |=(% style="width: 62.5px;" %)(((
208 208  **Size (bytes)**
209 -)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
210 -|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
211 -[[Distance>>||anchor="H2.3.3A0Distance"]]
200 +)))|=(% style="width: 62.5px;" %)**2**|=(% style="width: 62.5px;" %)**2**|=**2**|=**2**|=**1**|=**1**|=**1**
201 +|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:62.5px" %)(((
202 +[[Temperature DS18B20>>||anchor="H2.3.2A0DS18B20Temperaturesensor"]]
203 +)))|[[Distance>>||anchor="H2.3.3A0Distance"]]|[[Distance signal strength>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
204 +[[Interrupt flag>>||anchor="H2.3.5A0InterruptPin"]]
205 +)))|[[LiDAR temp>>||anchor="H2.3.6A0LiDARtemp"]]|(((
206 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
207 +)))
212 212  
213 -(unit: mm)
214 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
215 -[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
216 -)))|[[Sensor Flag>>path:#Sensor_Flag]]
209 +[[image:1654833689380-972.png]]
217 217  
218 -[[image:1654850511545-399.png]]
219 219  
220 220  
221 -
222 222  === 2.3.1  Battery Info ===
223 223  
224 224  
225 -Check the battery voltage for LDDS75.
216 +Check the battery voltage for LLDS12.
226 226  
227 227  Ex1: 0x0B45 = 2885mV
228 228  
... ... @@ -230,22 +230,49 @@
230 230  
231 231  
232 232  
233 -=== 2.3.2  Distance ===
224 +=== 2.3.2  DS18B20 Temperature sensor ===
234 234  
235 -Get the distance. Flat object range 280mm - 7500mm.
226 +This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
236 236  
237 -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.**
238 238  
229 +**Example**:
239 239  
240 -* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
241 -* 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.
231 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
242 242  
233 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
243 243  
244 244  
245 -=== 2.3.3  Interrupt Pin ===
246 246  
237 +=== 2.3.3  Distance ===
238 +
239 +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.
240 +
241 +
242 +**Example**:
243 +
244 +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.
245 +
246 +
247 +
248 +=== 2.3.4  Distance signal strength ===
249 +
250 +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.
251 +
252 +
253 +**Example**:
254 +
255 +If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
256 +
257 +Customers can judge whether they need to adjust the environment based on the signal strength.
258 +
259 +
260 +
261 +=== 2.3.5  Interrupt Pin ===
262 +
247 247  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.
248 248  
265 +Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]].
266 +
249 249  **Example:**
250 250  
251 251  0x00: Normal uplink packet.
... ... @@ -254,44 +254,52 @@
254 254  
255 255  
256 256  
257 -=== 2.3.4  DS18B20 Temperature sensor ===
275 +=== 2.3.6  LiDAR temp ===
258 258  
259 -This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
277 +Characterize the internal temperature value of the sensor.
260 260  
261 -**Example**:
279 +**Example: **
280 +If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
281 +If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
262 262  
263 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
264 264  
265 -If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
266 266  
267 -(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
285 +=== 2.3.7  Message Type ===
268 268  
287 +(((
288 +For a normal uplink payload, the message type is always 0x01.
289 +)))
269 269  
291 +(((
292 +Valid Message Type:
293 +)))
270 270  
271 -=== 2.3.5  Sensor Flag ===
272 272  
273 -0x01: Detect Ultrasonic Sensor
296 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:499px" %)
297 +|=(% style="width: 160px;" %)**Message Type Code**|=(% style="width: 163px;" %)**Description**|=(% style="width: 173px;" %)**Payload**
298 +|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]]
299 +|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]]
274 274  
275 -0x00: No Ultrasonic Sensor
301 +=== 2.3.8  Decode payload in The Things Network ===
276 276  
277 -
278 -===
279 -(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
280 -
281 281  While using TTN network, you can add the payload format to decode the payload.
282 282  
283 283  
284 -[[image:1654850829385-439.png]]
306 +[[image:1654592762713-715.png]]
285 285  
286 -The payload decoder function for TTN V3 is here:
308 +(((
309 +The payload decoder function for TTN is here:
310 +)))
287 287  
288 -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/]]
312 +(((
313 +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/]]
314 +)))
289 289  
290 290  
291 291  
292 292  == 2.4  Uplink Interval ==
293 293  
294 -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"]]
320 +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"]]
295 295  
296 296  
297 297  
... ... @@ -322,25 +322,47 @@
322 322  
323 323  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
324 324  
325 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
351 +(% style="color:blue" %)**Step 4**(%%)**: Create LLDS12 product.**
326 326  
327 -[[image:1654851029373-510.png]]
353 +[[image:1654832691989-514.png]]
328 328  
329 329  
330 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
356 +[[image:1654592833877-762.png]]
331 331  
332 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
333 333  
359 +[[image:1654832740634-933.png]]
334 334  
335 335  
336 -== 2.6  Frequency Plans ==
337 337  
338 338  (((
339 -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.
364 +(% style="color:blue" %)**Step 5**(%%)**: add payload decode**
340 340  )))
341 341  
367 +(((
368 +
369 +)))
342 342  
371 +[[image:1654833065139-942.png]]
343 343  
373 +
374 +
375 +[[image:1654833092678-390.png]]
376 +
377 +
378 +
379 +After added, the sensor data arrive TTN, it will also arrive and show in Datacake.
380 +
381 +[[image:1654833163048-332.png]]
382 +
383 +
384 +
385 +== 2.6  Frequency Plans ==
386 +
387 +(((
388 +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.
389 +)))
390 +
391 +
344 344  === 2.6.1  EU863-870 (EU868) ===
345 345  
346 346  (((
... ... @@ -404,51 +404,20 @@
404 404  === 2.6.2  US902-928(US915) ===
405 405  
406 406  (((
407 -Used in USA, Canada and South America. Default use CHE=2
455 +Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
456 +)))
408 408  
409 -(% style="color:blue" %)**Uplink:**
458 +(((
459 +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.
460 +)))
410 410  
411 -903.9 - SF7BW125 to SF10BW125
412 -
413 -904.1 - SF7BW125 to SF10BW125
414 -
415 -904.3 - SF7BW125 to SF10BW125
416 -
417 -904.5 - SF7BW125 to SF10BW125
418 -
419 -904.7 - SF7BW125 to SF10BW125
420 -
421 -904.9 - SF7BW125 to SF10BW125
422 -
423 -905.1 - SF7BW125 to SF10BW125
424 -
425 -905.3 - SF7BW125 to SF10BW125
426 -
427 -
428 -(% style="color:blue" %)**Downlink:**
429 -
430 -923.3 - SF7BW500 to SF12BW500
431 -
432 -923.9 - SF7BW500 to SF12BW500
433 -
434 -924.5 - SF7BW500 to SF12BW500
435 -
436 -925.1 - SF7BW500 to SF12BW500
437 -
438 -925.7 - SF7BW500 to SF12BW500
439 -
440 -926.3 - SF7BW500 to SF12BW500
441 -
442 -926.9 - SF7BW500 to SF12BW500
443 -
444 -927.5 - SF7BW500 to SF12BW500
445 -
446 -923.3 - SF12BW500(RX2 downlink only)
447 -
448 -
449 -
462 +(((
463 +After Join success, the end node will switch to the correct sub band by:
450 450  )))
451 451  
466 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
467 +* 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)
468 +
452 452  === 2.6.3  CN470-510 (CN470) ===
453 453  
454 454  (((
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541 541  === 2.6.4  AU915-928(AU915) ===
542 542  
543 543  (((
544 -Default use CHE=2
561 +Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
562 +)))
545 545  
546 -(% style="color:blue" %)**Uplink:**
564 +(((
565 +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.
566 +)))
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 -
568 +(((
586 586  
587 587  )))
588 588  
572 +(((
573 +After Join success, the end node will switch to the correct sub band by:
574 +)))
575 +
576 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
577 +* 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)
578 +
589 589  === 2.6.5  AS920-923 & AS923-925 (AS923) ===
590 590  
591 591  (((
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