Last modified by Edwin Chen on 2024/02/14 18:51
<
From version < 1.3 >
edited by Xiaoling
on 2022/06/08 14:07
To version < 1.8 >
edited by Xiaoling
on 2022/06/08 14:22
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Summary

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Content
... ... @@ -14,7 +14,6 @@
14 14  1. Introduction
15 15  11. What is LWL02 LoRaWAN Water Leak Sensor
16 16  
17 -
18 18  The Dragino LWL02 is a LoRaWAN Water Sensor. When there is water between the two metal probes, LWL02 indicates a water leak event and uplink to IoT server via LoRaWAN network.
19 19  
20 20  
... ... @@ -43,7 +43,6 @@
43 43  * Remote configure parameters via LoRa Downlink
44 44  * Firmware upgradable via program port
45 45  
46 -
47 47  *
48 48  *1. Applications
49 49  * Smart Buildings & Home Automation
... ... @@ -53,20 +53,17 @@
53 53  * Smart Cities
54 54  * Smart Factory
55 55  
56 -
57 57  1.
58 58  11. Dimension
59 59  
60 -
61 61  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
62 62  
63 63  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
64 64  
65 65  
66 -1.
62 +1.
67 67  11. Firmware Change log
68 68  
69 -
70 70  LWL02 use the same firmware as LDS01.
71 71  
72 72  [[LWL02 Image files – Download link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
... ... @@ -76,7 +76,6 @@
76 76  
77 77  1. Power ON LWL02
78 78  
79 -
80 80  When receive the LWL02, please open the enclosure and add 2 x AAA batteries to power it. The [[LED>>path:#LED]] will blink when device is powered.
81 81  
82 82  
... ... @@ -111,7 +111,7 @@
111 111  1.
112 112  11. Example to join LoRaWAN network
113 113  
114 -Here shows an example for how to join the [[TTN V3 Network>>url:https://eu1.cloud.thethings.network/]]. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
108 +Here shows an example for how to join the [[TTN V3 Network>>url:https://eu1.cloud.thethings.network/]]. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 
115 115  
116 116  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
117 117  
... ... @@ -125,8 +125,6 @@
125 125  * A message when switch from water leak to none water leak. ([[Alarm event can be disabled>>path:#Alarm]])
126 126  
127 127  
128 -
129 -
130 130  The LG308 is already set to connect to [[TTN V3 network >>url:https://eu1.cloud.thethings.network/]]. What we need to now is only configure the TTN V3:
131 131  
132 132  **Step 1**: Create a device in TTN V3 with the OTAA keys from LWL02.
... ... @@ -167,10 +167,9 @@
167 167  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
168 168  
169 169  
170 -1.
162 +1.
171 171  11. Uplink Payload
172 172  
173 -
174 174  Uplink Payload total 9 bytes.
175 175  
176 176  
... ... @@ -185,7 +185,6 @@
185 185  duration (unit: min)
186 186  )))
187 187  
188 -
189 189  Example:
190 190  
191 191  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
... ... @@ -201,7 +201,6 @@
201 201  1.
202 202  11. Downlink Payload
203 203  
204 -
205 205  |**Downlink Control Type**|**Type Code**|**Downlink payload size(bytes)**
206 206  |TDC (Transmit Time Interval—Keep Alive Interval)|0x01|4
207 207  |RESET|0x04|2
... ... @@ -213,8 +213,6 @@
213 213  
214 214  
215 215  
216 -
217 -
218 218  Example Downlink payload setting in TTN V3:
219 219  
220 220  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
... ... @@ -270,7 +270,6 @@
270 270  1.
271 271  11. Integrate with Datacake
272 272  
273 -
274 274  Datacake provides a human friendly interface to show the sensor data, once we have data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
275 275  
276 276  
... ... @@ -296,10 +296,9 @@
296 296  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
297 297  
298 298  
299 -1.
285 +1.
300 300  11. Alarm Base on Timeout
301 301  
302 -
303 303  LWL02 can monitor the timeout for a status change, this feature can be used to monitor some event such as open fridge too long etc.
304 304  
305 305  
... ... @@ -314,7 +314,6 @@
314 314  
315 315  * AT+TTIG=0,0 à Default Value, disable timeout Alarm.
316 316  
317 -
318 318  **Downlink Command** to configure:
319 319  
320 320  Command: 0xA9 aa bb cc
... ... @@ -338,7 +338,6 @@
338 338  1.
339 339  11. LEDs
340 340  
341 -
342 342  |**Action**|**LED behavior**
343 343  |Power On|**GREEN on 1s, RED on 1s, BLUE on 1s**
344 344  |Joined successful|**GRENN LED **on 5s
... ... @@ -347,8 +347,6 @@
347 347  
348 348  
349 349  
350 -
351 -
352 352  1. Battery & How to replace
353 353  11. Battery Type and replace
354 354  
... ... @@ -357,8 +357,6 @@
357 357  1. The LWL02 doesn’t have any screw, use can use nail to open it by the middle.
358 358  1. Make sure the direction is correct when install the AAA batteries.
359 359  
360 -
361 -
362 362  **Important Notice: Make sure use new AAA LR03 battery and the battery doesn’t have broken surface.**
363 363  
364 364  
... ... @@ -369,7 +369,7 @@
369 369  
370 370  
371 371  
372 -1.
351 +1.
373 373  11. Power Consumption Analyze
374 374  
375 375  Dragino battery powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimate battery life:
... ... @@ -409,32 +409,35 @@
409 409  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/]]
410 410  
411 411  
412 -1. FAQ
413 -11. How to upgrade the image?
414 414  
415 -User can upgrade the firmware of LWL02 for bug fix, new features, or change working region. The upgrade instruction is here: [[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction]]
416 416  
393 += 7. FAQ =
417 417  
395 +== 7.1 How to upgrade the image? ==
418 418  
397 +User can upgrade the of LWL02 for bug fix, new features, or change working region. The upgrade instruction is here:  [[Firmware Upgrade Instruction>>Firmware Upgrade Instruction for STM32 base products]]
419 419  
420 -1.
421 -11. How to change the LoRa Frequency Bands/Region?
422 422  
423 -If user has for example US915 frequency and want to change it to AS923 frequency. User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
424 424  
425 425  
426 -1.
427 -11. Can I disable uplink for each event to save battery life?
402 +== 7.2 How to change the LoRa Frequency Bands/Region? ==
428 428  
404 +If user has for example US915 frequency and want to change it to AS923 frequency. User can follow the introduction for [[how to upgrade image>>||anchor="H7.1Howtoupgradetheimage"]]. When download the images, choose the required image file for download.
405 +
406 +
407 +
408 +
409 +== 7.3 Can I disable uplink for each event to save battery life? ==
410 +
429 429  Yes, User can use below method to disable this:
430 430  
431 -**via AT Command**:
413 +(% style="color:#4f81bd" %)**via AT Command**:
432 432  
433 433  AT+DISALARM=1, End node will only send packet in TDC time.
434 434  
435 -AT+DISALARM=0, End node will send packet in TDC time or status change for door sensor.
417 +AT+DISALARM=0, End node will send packet in TDC time or status change for door sensor. 
436 436  
437 -**via LoRaWAN downlink Command**:
419 +(% style="color:#4f81bd" %)**via LoRaWAN downlink Command**:
438 438  
439 439  0xA701 : Equal to AT+DISALARM=1
440 440  
... ... @@ -443,37 +443,32 @@
443 443  
444 444  
445 445  
428 += 8. Order Info =
446 446  
447 -1. Order Info
430 +**Part Number: (% style="color:blue" %)LWL02-XXX(%%)**
448 448  
432 +(% style="color:blue" %)**XXX:**
449 449  
450 -**Part Number: LWL02-XXX**
434 +* (% style="color:red" %)**EU433**(%%): frequency bands EU433
435 +* (% style="color:red" %)**EU868**(%%): frequency bands EU868
436 +* (% style="color:red" %)**KR920**(%%): frequency bands KR920
437 +* (% style="color:red" %)**CN470**(%%): frequency bands CN470
438 +* (% style="color:red" %)**AS923**(%%): frequency bands AS923
439 +* (% style="color:red" %)**AU915**(%%): frequency bands AU915
440 +* (% style="color:red" %)**US915**(%%): frequency bands US915
441 +* (% style="color:red" %)**IN865**(%%): frequency bands IN865
442 +* (% style="color:red" %)**CN779**(%%): frequency bands CN779
451 451  
452 -**XXX:**
444 += 9. Packing Info =
453 453  
454 -* **EU433**: frequency bands EU433
455 -* **EU868**: frequency bands EU868
456 -* **KR920**: frequency bands KR920
457 -* **CN470**: frequency bands CN470
458 -* **AS923**: frequency bands AS923
459 -* **AU915**: frequency bands AU915
460 -* **US915**: frequency bands US915
461 -* **IN865**: frequency bands IN865
462 -* **CN779**: frequency bands CN779
463 463  
464 -
465 -1. Packing Info
466 -
467 467  **Package Includes**:
468 468  
469 469  * LWL02 x 1
470 470  
471 -
472 -
473 473  = 10.Support =
474 474  
475 475  * 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.
476 476  * 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:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
477 477  
478 -
479 479  

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