Last modified by Mengting Qiu on 2024/03/07 08:41
<
From version < 138.6 >
edited by Xiaoling
on 2022/06/10 17:05
To version < 133.3 >
edited by Xiaoling
on 2022/06/10 16:23
>
Change comment: There is no comment for this version

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... ... @@ -57,8 +57,6 @@
57 57  * IP66 Waterproof Enclosure
58 58  * 4000mAh or 8500mAh Battery for long term use
59 59  
60 -
61 -
62 62  == 1.3  Specification ==
63 63  
64 64  === 1.3.1  Rated environmental conditions ===
... ... @@ -82,7 +82,6 @@
82 82  (% style="display:none" %) (%%)
83 83  
84 84  
85 -
86 86  == 1.5 ​ Applications ==
87 87  
88 88  * Horizontal distance measurement
... ... @@ -96,7 +96,6 @@
96 96  * Bottom water level monitoring
97 97  
98 98  
99 -
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  (((
... ... @@ -190,7 +190,7 @@
190 190  == 2.3  ​Uplink Payload ==
191 191  
192 192  (((
193 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
187 +LDDS75 will uplink payload via LoRaWAN with below payload format:
194 194  
195 195  Uplink payload includes in total 4 bytes.
196 196  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
... ... @@ -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"]]
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 +)))
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]]
209 +[[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.
216 +Check the battery voltage for LLDS12.
223 223  
224 224  Ex1: 0x0B45 = 2885mV
225 225  
... ... @@ -227,23 +227,49 @@
227 227  
228 228  
229 229  
230 -=== 2.3.2  Distance ===
224 +=== 2.3.2  DS18B20 Temperature sensor ===
231 231  
232 -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.
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  
229 +**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.
231 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
239 239  
233 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
240 240  
241 241  
242 242  
243 -=== 2.3.3  Interrupt Pin ===
237 +=== 2.3.3  Distance ===
244 244  
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 +
245 245  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.
246 246  
265 +Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]].
266 +
247 247  **Example:**
248 248  
249 249  0x00: Normal uplink packet.
... ... @@ -252,44 +252,52 @@
252 252  
253 253  
254 254  
255 -=== 2.3.4  DS18B20 Temperature sensor ===
275 +=== 2.3.6  LiDAR temp ===
256 256  
257 -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.
258 258  
259 -**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℃.
260 260  
261 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
262 262  
263 -If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
264 264  
265 -(% 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 ===
266 266  
287 +(((
288 +For a normal uplink payload, the message type is always 0x01.
289 +)))
267 267  
291 +(((
292 +Valid Message Type:
293 +)))
268 268  
269 -=== 2.3.5  Sensor Flag ===
270 270  
271 -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"]]
272 272  
273 -0x00: No Ultrasonic Sensor
301 +=== 2.3.8  Decode payload in The Things Network ===
274 274  
275 -
276 -===
277 -(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
278 -
279 279  While using TTN network, you can add the payload format to decode the payload.
280 280  
281 281  
282 -[[image:1654850829385-439.png]]
306 +[[image:1654592762713-715.png]]
283 283  
284 -The payload decoder function for TTN V3 is here:
308 +(((
309 +The payload decoder function for TTN is here:
310 +)))
285 285  
286 -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 +)))
287 287  
288 288  
289 289  
290 290  == 2.4  Uplink Interval ==
291 291  
292 -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"]]
293 293  
294 294  
295 295  
... ... @@ -320,25 +320,47 @@
320 320  
321 321  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
322 322  
323 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
351 +(% style="color:blue" %)**Step 4**(%%)**: Create LLDS12 product.**
324 324  
325 -[[image:1654851029373-510.png]]
353 +[[image:1654832691989-514.png]]
326 326  
327 327  
328 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
356 +[[image:1654592833877-762.png]]
329 329  
330 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
331 331  
359 +[[image:1654832740634-933.png]]
332 332  
333 333  
334 -== 2.6  Frequency Plans ==
335 335  
336 336  (((
337 -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**
338 338  )))
339 339  
367 +(((
368 +
369 +)))
340 340  
371 +[[image:1654833065139-942.png]]
341 341  
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 +
342 342  === 2.6.1  EU863-870 (EU868) ===
343 343  
344 344  (((
... ... @@ -402,51 +402,20 @@
402 402  === 2.6.2  US902-928(US915) ===
403 403  
404 404  (((
405 -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 +)))
406 406  
407 -(% 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 +)))
408 408  
409 -903.9 - SF7BW125 to SF10BW125
410 -
411 -904.1 - SF7BW125 to SF10BW125
412 -
413 -904.3 - SF7BW125 to SF10BW125
414 -
415 -904.5 - SF7BW125 to SF10BW125
416 -
417 -904.7 - SF7BW125 to SF10BW125
418 -
419 -904.9 - SF7BW125 to SF10BW125
420 -
421 -905.1 - SF7BW125 to SF10BW125
422 -
423 -905.3 - SF7BW125 to SF10BW125
424 -
425 -
426 -(% style="color:blue" %)**Downlink:**
427 -
428 -923.3 - SF7BW500 to SF12BW500
429 -
430 -923.9 - SF7BW500 to SF12BW500
431 -
432 -924.5 - SF7BW500 to SF12BW500
433 -
434 -925.1 - SF7BW500 to SF12BW500
435 -
436 -925.7 - SF7BW500 to SF12BW500
437 -
438 -926.3 - SF7BW500 to SF12BW500
439 -
440 -926.9 - SF7BW500 to SF12BW500
441 -
442 -927.5 - SF7BW500 to SF12BW500
443 -
444 -923.3 - SF12BW500(RX2 downlink only)
445 -
446 -
447 -
462 +(((
463 +After Join success, the end node will switch to the correct sub band by:
448 448  )))
449 449  
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 +
450 450  === 2.6.3  CN470-510 (CN470) ===
451 451  
452 452  (((
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539 539  === 2.6.4  AU915-928(AU915) ===
540 540  
541 541  (((
542 -Default use CHE=2
561 +Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
562 +)))
543 543  
544 -(% 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 +)))
545 545  
546 -916.8 - SF7BW125 to SF12BW125
547 -
548 -917.0 - SF7BW125 to SF12BW125
549 -
550 -917.2 - SF7BW125 to SF12BW125
551 -
552 -917.4 - SF7BW125 to SF12BW125
553 -
554 -917.6 - SF7BW125 to SF12BW125
555 -
556 -917.8 - SF7BW125 to SF12BW125
557 -
558 -918.0 - SF7BW125 to SF12BW125
559 -
560 -918.2 - SF7BW125 to SF12BW125
561 -
562 -
563 -(% style="color:blue" %)**Downlink:**
564 -
565 -923.3 - SF7BW500 to SF12BW500
566 -
567 -923.9 - SF7BW500 to SF12BW500
568 -
569 -924.5 - SF7BW500 to SF12BW500
570 -
571 -925.1 - SF7BW500 to SF12BW500
572 -
573 -925.7 - SF7BW500 to SF12BW500
574 -
575 -926.3 - SF7BW500 to SF12BW500
576 -
577 -926.9 - SF7BW500 to SF12BW500
578 -
579 -927.5 - SF7BW500 to SF12BW500
580 -
581 -923.3 - SF12BW500(RX2 downlink only)
582 -
583 -
568 +(((
584 584  
585 585  )))
586 586  
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 +
587 587  === 2.6.5  AS920-923 & AS923-925 (AS923) ===
588 588  
589 589  (((
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