Last modified by Mengting Qiu on 2025/02/26 15:04
<
From version < 26.2 >
edited by Xiaoling
on 2022/06/07 14:57
To version < 14.3 >
edited by Xiaoling
on 2022/06/07 14:16
>
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5 5  
6 6  
7 7  
8 -**Contents:**
9 9  
10 -{{toc/}}
11 11  
12 12  
13 13  
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17 17  
18 18  
19 19  
20 -
21 -
22 -
23 23  = 1. Introduction =
24 24  
25 25  == 1.1 ​What is LoRaWAN Soil pH Sensor ==
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113 113  )))
114 114  
115 115  (((
116 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LSPH01.
111 +**Step 1**: Create a device in TTN with the OTAA keys from LSPH01.
117 117  )))
118 118  
119 119  (((
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150 150  [[image:1654581517630-991.png]]
151 151  
152 152  
153 -(% style="color:blue" %)**Step 2**(%%): Power on LSPH01
148 +**Step 2**: Power on LSPH01
154 154  
155 155  
156 156  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
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158 158  [[image:image-20220607135918-2.png]]
159 159  
160 160  
161 -(% 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.
156 +**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.
162 162  
163 163  [[image:1654581590132-631.png]]
164 164  
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178 178  
179 179  **(bytes)**
180 180  )))|**2**|**2**|**2**|**2**|**1**|**1**|**1**
181 -|**Value**|[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(((
182 -[[Temperature>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
176 +|**Value**|[[BAT>>path:#bat]]|(((
177 +[[Temperature>>path:#DS18B20]]
183 183  
184 -[[(Optional)>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
185 -)))|[[Soil pH>>||anchor="H2.3.3SoilpH"]]|[[Soil Temperature>>||anchor="H2.3.4SoilTemperature"]]|(((
186 -[[Digital Interrupt (Optional)>>||anchor="H2.3.5InterruptPin"]]
179 +[[( Optional )>>path:#DS18B20]]
180 +)))|[[Soil pH>>path:#Soil_Nitrogen]]|[[Soil Temperature>>path:#Soil_Phosphorus]]|(((
181 +[[Digital Interrupt>>path:#Int_pin]]
182 +
183 +[[(Optional)>>path:#Int_pin]]
187 187  )))|Reserve|(((
188 -[[Message Type>>||anchor="H2.3.6MessageType"]]
185 +[[Message>>path:#Message_Type]]
186 +
187 +[[Type>>path:#Message_Type]]
189 189  )))
190 190  
191 191  [[image:1654581735133-458.png]]
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286 286  
287 287  == 2.4 Uplink Interval ==
288 288  
289 -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"]]
288 +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:
290 290  
290 +[[http:~~/~~/wiki.dragino.com/index.pHp?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval]]
291 291  
292 292  
293 -== 2.5 ​Show Data in DataCake IoT Server ==
294 294  
294 +1.
295 +11. ​Show Data in DataCake IoT Server
296 +
295 295  [[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:
296 296  
297 297  
298 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
300 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
299 299  
300 -(% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
302 +**Step 2**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:
301 301  
302 302  
303 -[[image:1654583683416-869.png]]
305 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
304 304  
305 305  
306 -[[image:1654583694084-878.png]]
308 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
307 307  
308 308  
309 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
311 +Step 3: Create an account or log in Datacake.
310 310  
311 -(% style="color:blue" %)**Step 4**(%%)**: Create LSPH01 product.**
313 +Step 4: Create LSPH01 product.
312 312  
313 -[[image:1654583711590-413.png]]
315 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
314 314  
315 315  
316 316  
317 -[[image:1654583732798-193.png]]
319 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
318 318  
319 319  
320 -[[image:1654583749683-259.png]]
322 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
321 321  
322 322  
323 -(% style="color:blue" %)**Step 5**(%%)**: add payload decode**
325 +Step 5: add payload decode
324 324  
325 325  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/]]
326 326  
327 327  
328 -[[image:1654583770974-935.png]]
330 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
329 329  
330 -[[image:1654583781517-146.png]]
332 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
331 331  
332 332  
333 -[[image:1654583791351-557.png]]
335 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
334 334  
335 335  
336 336  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
337 337  
338 338  
339 -[[image:1654583805491-713.png]]
341 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
340 340  
341 341  
342 342  
343 -== 2.6 Installation and Maintain ==
344 344  
345 -=== 2.6.1 Before measurement ===
346 346  
347 -(((
347 +1.
348 +11. Installation and Maintain
349 +111. Before measurement
350 +
348 348  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. 
349 -)))
350 350  
351 351  
354 +1.
355 +11.
356 +111. Measurement
352 352  
353 -=== 2.6.2 Measurement ===
358 +**Measurement the soil surface**
354 354  
355 355  
356 -(% style="color:#4f81bd" %)**Measurement the soil surface:**
361 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] Choose the proper measuring position. Split the surface soil according to the measured deep.
357 357  
358 -[[image:1654584128046-287.png]]
359 359  
360 -Choose the proper measuring position. Split the surface soil according to the measured deep.
361 -
362 362  Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
363 363  
366 +
364 364  Slowly insert the probe to the measure point. Don’t use large force which will break the probe. Make sure not shake when inserting.
365 365  
369 +
366 366  Put soil over the probe after insert. And start to measure.
367 367  
368 368  
369 -(% style="color:#4f81bd" %)**Measurement inside soil:**
373 +**Measurement inside soil**
370 370  
375 +
376 +
371 371  Dig a hole with diameter > 20CM.
372 372  
379 +
373 373  Insert the probe inside, method like measure the surface.
374 374  
375 375  
383 +1.
384 +11.
385 +111. Maintain Probe
386 +1111. pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
387 +1111. 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.
388 +1111. Probe reference electrode is also no strong, need to avoid strong force or hitting.
389 +1111. User should keep reference electrode wet while not use.
390 +1111. Avoid the probes to touch oily matter. Which will cause issue in accuracy.
391 +1111. The probe is IP68 can be put in water.
376 376  
377 -=== 2.6.3 Maintain Probe ===
393 +1.
394 +11. Calibration
378 378  
379 -1. (((
380 -pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
381 -)))
382 -1. (((
383 -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.
384 -)))
385 -1. (((
386 -Probe reference electrode is also no strong, need to avoid strong force or hitting.
387 -)))
388 -1. (((
389 -User should keep reference electrode wet while not use.
390 -)))
391 -1. (((
392 -Avoid the probes to touch oily matter. Which will cause issue in accuracy.
393 -)))
394 -1. (((
395 -The probe is IP68 can be put in water.
396 +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).
396 396  
397 397  
398 -
399 -)))
399 +**After stable, user can use below command to calibrate.**
400 400  
401 -== 2.7 Calibration ==
402 402  
403 -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).
402 +|**pH buffer solution**|**AT Command to calibrate**|**Downlink Command**|**Read Cal Value**
403 +|**4.00**|**AT+PHCAL=4**|(((
404 +**0x13 04**
404 404  
405 -After stable, user can use below command to calibrate.
406 +**Reply with Calibrate payload**
407 +)))|(((
408 +**AT+PHCAL=?**
406 406  
407 -[[image:image-20220607144936-3.png]]
410 +**Example 41,61,91**
411 +)))
412 +|**6.86**|**AT+PHCAL=6**|(((
413 +**0x13 06**
408 408  
415 +**Reply with Calibrate payload**
416 +)))|**AT+PHCAL=?**
417 +|**9.18**|**AT+PHCAL=9**|(((
418 +**0x13 09**
409 409  
420 +**Reply with Calibrate payload**
421 +)))|**AT+PHCAL=?**
422 +|**Factory Default**|**AT+PHCAL=15**|(((
423 +**0x13 15**
410 410  
411 -(% style="color:#037691" %)**Calibration Payload**
425 +**Reply with Calibrate payload**
426 +)))|(((
427 +**AT+PHCAL=?**
412 412  
413 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
429 +**Example 151**
430 +)))
431 +
432 +Calibration Payload
433 +
414 414  |(((
415 415  **Size**
416 416  
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425 425  
426 426  Calibrate value
427 427  )))|Reserve|(((
428 -[[Message Type>>||anchor="H2.3.6MessageType"]]
448 +[[Message>>path:#Message_Type]]
429 429  
450 +[[Type>>path:#Message_Type]]
451 +
430 430  Always 0x03
431 431  )))
432 432  
433 433  User can also send 0x14 downlink command to poll the current calibration payload.
434 434  
435 -[[image:image-20220607145603-4.png]]
436 436  
458 +|**Downlink Control Type**|**FPort**|**Type Code**|**Downlink payload size(bytes)**
459 +|Get Calibration Version Info|Any|14|2
460 +
437 437  * Reply to the confirmation package: 14 01
438 438  * Reply to non-confirmed packet: 14 00
439 439  
464 +1.
465 +11. Frequency Plans
440 440  
441 -
442 -Frequency Plans
443 -
444 444  The LSPH01 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.
445 445  
446 446  1.
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