Last modified by Mengting Qiu on 2025/02/26 15:04
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From version < 108.3 >
edited by Xiaoling
on 2022/06/10 12:00
To version < 101.1 >
edited by Xiaoling
on 2022/06/10 11:38
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... ... @@ -49,9 +49,6 @@
49 49  * Downlink to change configure
50 50  * 8500mAh Battery for long term use
51 51  
52 -
53 -
54 -
55 55  == 1.3  Probe Specification ==
56 56  
57 57  * Storage temperature ：-20℃~~75℃
... ... @@ -67,9 +67,6 @@
67 67  * Material of enclosure - ABS+PC
68 68  * Wire length - 25cm
69 69  
70 -
71 -
72 -
73 73  == 1.4  Probe Dimension ==
74 74  
75 75  
... ... @@ -87,21 +87,17 @@
87 87  * Automatic control
88 88  * Sewer
89 89  
84 +== 1.6 Pin mapping and power on ==
90 90  
91 91  
92 -
93 -== 1.6  Pin mapping and power on ==
94 -
95 -
96 96  [[image:1654827332142-133.png]]
97 97  
98 98  
99 99  
91 += 2. Configure LLDS12 to connect to LoRaWAN network =
100 100  
101 -= 2.  Configure LLDS12 to connect to LoRaWAN network =
93 +== 2.1 How it works ==
102 102  
103 -== 2.1  How it works ==
104 -
105 105  (((
106 106  The LLDS12 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LLDS12. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
107 107  )))
... ... @@ -111,7 +111,7 @@
111 111  )))
112 112  
113 113  
114 -== 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
104 +== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
115 115  
116 116  (((
117 117  Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example.
... ... @@ -146,13 +146,11 @@
146 146  [[image:1654592600093-601.png]]
147 147  
148 148  
149 -
150 150  **Add APP EUI and DEV EUI**
151 151  
152 152  [[image:1654592619856-881.png]]
153 153  
154 154  
155 -
156 156  **Add APP EUI in the application**
157 157  
158 158  [[image:1654592632656-512.png]]
... ... @@ -164,7 +164,7 @@
164 164  [[image:1654592653453-934.png]]
165 165  
166 166  
167 -(% style="color:blue" %)**Step 2**(%%): Power on LLDS12
155 +(% style="color:blue" %)**Step 2**(%%): Power on LSPH01
168 168  
169 169  
170 170  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
... ... @@ -173,10 +173,10 @@
173 173  
174 174  
175 175  (((
176 -(% 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.
164 +(% style="color:blue" %)**Step 3**(%%)**:** The LSPH01 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.
177 177  )))
178 178  
179 -[[image:1654833501679-968.png]]
167 +[[image:1654592697690-910.png]]
180 180  
181 181  
182 182  
... ... @@ -306,13 +306,13 @@
306 306  
307 307  
308 308  
309 -== 2.4  Uplink Interval ==
297 +== 2.4 Uplink Interval ==
310 310  
311 -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"]]
299 +The LSPH01 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"]]
312 312  
313 313  
314 314  
315 -== 2.5  ​Show Data in DataCake IoT Server ==
303 +== 2.5 ​Show Data in DataCake IoT Server ==
316 316  
317 317  (((
318 318  [[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
... ... @@ -339,40 +339,165 @@
339 339  
340 340  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
341 341  
342 -(% style="color:blue" %)**Step 4**(%%)**: Create LLDS12 product.**
330 +(% style="color:blue" %)**Step 4**(%%)**: Create LSPH01 product.**
343 343  
344 -[[image:1654832691989-514.png]]
332 +[[image:1654592819047-535.png]]
345 345  
346 346  
335 +
347 347  [[image:1654592833877-762.png]]
348 348  
349 349  
350 -[[image:1654832740634-933.png]]
339 +[[image:1654592856403-259.png]]
351 351  
352 352  
353 -
354 354  (((
355 355  (% style="color:blue" %)**Step 5**(%%)**: add payload decode**
356 356  )))
357 357  
358 358  (((
347 +Download Datacake decoder from: [[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/LSPH01/Decoder/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSNPK01/Decoder/]]
348 +)))
349 +
350 +
351 +[[image:1654592878525-845.png]]
352 +
353 +[[image:1654592892967-474.png]]
354 +
355 +
356 +[[image:1654592905354-123.png]]
357 +
358 +
359 +After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
360 +
361 +
362 +[[image:1654592917530-261.png]]
363 +
364 +
365 +
366 +== 2.6 Installation and Maintain ==
367 +
368 +=== 2.6.1 Before measurement ===
369 +
370 +(((
371 +(((
372 +If the LSPH01 has more than 7 days not use or just clean the pH probe. User should put the probe inside pure water for more than 24 hours for activation. If no put in water, user need to put inside soil for more than 24 hours to ensure the measurement accuracy. 
373 +)))
374 +)))
375 +
376 +
377 +
378 +=== 2.6.2 Measurement ===
379 +
380 +
381 +(((
382 +(% style="color:#4f81bd" %)**Measurement the soil surface:**
383 +)))
384 +
385 +(((
386 +[[image:1654592946732-634.png]]
387 +)))
388 +
389 +(((
390 +Choose the proper measuring position. Split the surface soil according to the measured deep.
391 +)))
392 +
393 +(((
394 +Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
395 +)))
396 +
397 +(((
398 +Slowly insert the probe to the measure point. Don’t use large force which will break the probe. Make sure not shake when inserting.
399 +)))
400 +
401 +(((
402 +Put soil over the probe after insert. And start to measure.
403 +)))
404 +
405 +(((
359 359  
360 360  )))
361 361  
362 -[[image:1654833065139-942.png]]
409 +(((
410 +(% style="color:#4f81bd" %)**Measurement inside soil:**
411 +)))
363 363  
413 +(((
414 +Dig a hole with diameter > 20CM.
415 +)))
364 364  
417 +(((
418 +Insert the probe inside, method like measure the surface.
419 +)))
365 365  
366 -[[image:1654833092678-390.png]]
367 367  
368 368  
423 +=== 2.6.3 Maintain Probe ===
369 369  
370 -After added, the sensor data arrive TTN, it will also arrive and show in Datacake.
425 +1. (((
426 +pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
427 +)))
428 +1. (((
429 +After long time use (3~~ 6  months). The probe electrode needs to be clean; user can use high grade sandpaper to polish it or put in 5% hydrochloric acid for several minutes. After the metal probe looks like new, user can use pure water to wash it.
430 +)))
431 +1. (((
432 +Probe reference electrode is also no strong, need to avoid strong force or hitting.
433 +)))
434 +1. (((
435 +User should keep reference electrode wet while not use.
436 +)))
437 +1. (((
438 +Avoid the probes to touch oily matter. Which will cause issue in accuracy.
439 +)))
440 +1. (((
441 +The probe is IP68 can be put in water.
371 371  
372 -[[image:1654833163048-332.png]]
373 373  
444 +
445 +)))
374 374  
447 +== 2.7 Calibration ==
375 375  
449 +(((
450 +User can do calibration for the probe. It is limited to use below pH buffer solution to calibrate: 4.00, 6.86, 9.18. When calibration, user need to clean the electrode and put the probe in the pH buffer solution to wait the value stable ( a new clean electrode might need max 24 hours to be stable).
451 +)))
452 +
453 +(((
454 +After stable, user can use below command to calibrate.
455 +)))
456 +
457 +[[image:image-20220607171149-4.png]]
458 +
459 +
460 +(% style="color:#037691" %)**Calibration Payload**
461 +
462 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
463 +|=(% style="width: 62.5px;" %)(((
464 +**Size (bytes)**
465 +)))|=(% style="width: 89px;" %)**1**|=(% style="width: 89px;" %)**1**|=(% style="width: 89px;" %)**1**|=(% style="width: 89px;" %)**7**|=(% style="width: 89px;" %)**1**
466 +|**Value**|(((
467 +PH4
468 +
469 +Calibrate value
470 +)))|PH6.86 Calibrate value|(((
471 +PH9.18
472 +
473 +Calibrate value
474 +)))|Reserve|(((
475 +[[Message Type>>||anchor="H2.3.6MessageType"]]
476 +
477 +Always 0x03
478 +)))
479 +
480 +User can also send 0x14 downlink command to poll the current calibration payload.
481 +
482 +[[image:image-20220607171416-7.jpeg]]
483 +
484 +
485 +* Reply to the confirmation package: 14 01
486 +* Reply to non-confirmed packet: 14 00
487 +
488 +
376 376  == 2.6  Frequency Plans ==
377 377  
378 378  (((
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458 458  * 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)
459 459  
460 460  
574 +
575 +
461 461  === 2.6.3 CN470-510 (CN470) ===
462 462  
463 463  (((
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568 568  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
569 569  * 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)
570 570  
686 +
687 +
571 571  === 2.6.5 AS920-923 & AS923-925 (AS923) ===
572 572  
573 573  (((
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794 794  * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
795 795  * Blink once when device transmit a packet.
796 796  
797 -
798 -
799 799  == 2.8  ​Firmware Change Log ==
800 800  
801 801  
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