Last modified by Mengting Qiu on 2025/02/26 15:04
<
From version < 13.4 >
edited by Xiaoling
on 2022/06/07 14:10
To version < 25.2 >
edited by Xiaoling
on 2022/06/07 14:54
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Summary

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5 5  
6 6  
7 7  
8 +**Contents:**
8 8  
10 +{{toc/}}
9 9  
10 10  
11 11  
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15 15  
16 16  
17 17  
20 +
21 +
22 +
18 18  = 1. Introduction =
19 19  
20 20  == 1.1 ​What is LoRaWAN Soil pH Sensor ==
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108 108  )))
109 109  
110 110  (((
111 -**Step 1**: Create a device in TTN with the OTAA keys from LSPH01.
116 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LSPH01.
112 112  )))
113 113  
114 114  (((
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145 145  [[image:1654581517630-991.png]]
146 146  
147 147  
148 -**Step 2**: Power on LSPH01
153 +(% style="color:blue" %)**Step 2**(%%): Power on LSPH01
149 149  
150 150  
151 151  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
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153 153  [[image:image-20220607135918-2.png]]
154 154  
155 155  
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.
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.
157 157  
158 158  [[image:1654581590132-631.png]]
159 159  
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173 173  
174 174  **(bytes)**
175 175  )))|**2**|**2**|**2**|**2**|**1**|**1**|**1**
176 -|**Value**|[[BAT>>path:#bat]]|(((
177 -[[Temperature>>path:#DS18B20]]
181 +|**Value**|[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(((
182 +[[Temperature>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
178 178  
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]]
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"]]
184 184  )))|Reserve|(((
185 -[[Message>>path:#Message_Type]]
186 -
187 -[[Type>>path:#Message_Type]]
188 +[[Message Type>>||anchor="H2.3.6MessageType"]]
188 188  )))
189 189  
190 190  [[image:1654581735133-458.png]]
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260 260  
261 261  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
262 262  |**Message Type Code**|**Description**|**Payload**
263 -|0x01|Normal Uplink|[[Normal Uplink Payload>>path:#Normal_Uplink]]
264 -|0x02|Reply configures info|[[Configure Info Payload>>path:#Configure_Info_Payload]]
265 -|0x03|Reply Calibration Info|[[Calibration Payload>>path:#Calibration_Payload]]
264 +|0x01|Normal Uplink|[[Normal Uplink Payload>>||anchor="H2.3Uplink Payload"]]
265 +|0x02|Reply configures info|[[Configure Info Payload>>||anchor="H3.4GetFirmwareVersionInfo"]]
266 +|0x03|Reply Calibration Info|[[Calibration Payload>>||anchor="H2.7Calibration"]]
266 266  
267 -1.
268 -11.
269 -111. ​Decode payload in The Things Network
268 +=== 2.3.7 Decode payload in The Things Network ===
270 270  
271 271  While using TTN network, you can add the payload format to decode the payload.
272 272  
273 273  
274 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
273 +[[image:1654582541848-906.png]]
275 275  
275 +(((
276 276  The payload decoder function for TTN is here:
277 +)))
277 277  
279 +(((
278 278  LSPH01 TTN Payload Decoder: [[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/]]
281 +)))
279 279  
280 280  
281 -1.
282 -11. Uplink Interval
283 283  
284 -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:
285 +== 2.4 Uplink Interval ==
285 285  
286 -[[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]]
287 +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"]]
287 287  
288 288  
289 289  
290 -1.
291 -11. ​Show Data in DataCake IoT Server
291 +== 2.5 ​Show Data in DataCake IoT Server ==
292 292  
293 293  [[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:
294 294  
295 295  
296 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
296 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
297 297  
298 -**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:
298 +(% 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:**
299 299  
300 300  
301 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
301 +[[image:1654583683416-869.png]]
302 302  
303 303  
304 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
304 +[[image:1654583694084-878.png]]
305 305  
306 306  
307 -Step 3: Create an account or log in Datacake.
307 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
308 308  
309 -Step 4: Create LSPH01 product.
309 +(% style="color:blue" %)**Step 4**(%%)**: Create LSPH01 product.**
310 310  
311 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
311 +[[image:1654583711590-413.png]]
312 312  
313 313  
314 314  
315 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
315 +[[image:1654583732798-193.png]]
316 316  
317 317  
318 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
318 +[[image:1654583749683-259.png]]
319 319  
320 320  
321 -Step 5: add payload decode
321 +(% style="color:blue" %)**Step 5**(%%)**: add payload decode**
322 322  
323 323  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/]]
324 324  
325 325  
326 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
326 +[[image:1654583770974-935.png]]
327 327  
328 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
328 +[[image:1654583781517-146.png]]
329 329  
330 330  
331 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
331 +[[image:1654583791351-557.png]]
332 332  
333 333  
334 334  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
335 335  
336 336  
337 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
337 +[[image:1654583805491-713.png]]
338 338  
339 339  
340 340  
341 +== 2.6 Installation and Maintain ==
341 341  
343 +=== 2.6.1 Before measurement ===
342 342  
343 -1.
344 -11. Installation and Maintain
345 -111. Before measurement
346 -
345 +(((
347 347  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. 
347 +)))
348 348  
349 349  
350 -1.
351 -11.
352 -111. Measurement
353 353  
354 -**Measurement the soil surface**
351 +=== 2.6.2 Measurement ===
355 355  
356 356  
357 -[[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.
354 +(% style="color:#4f81bd" %)**Measurement the soil surface:**
358 358  
356 +[[image:1654584128046-287.png]]
359 359  
358 +Choose the proper measuring position. Split the surface soil according to the measured deep.
359 +
360 360  Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
361 361  
362 -
363 363  Slowly insert the probe to the measure point. Don’t use large force which will break the probe. Make sure not shake when inserting.
364 364  
365 -
366 366  Put soil over the probe after insert. And start to measure.
367 367  
368 368  
369 -**Measurement inside soil**
367 +(% style="color:#4f81bd" %)**Measurement inside soil:**
370 370  
371 -
372 -
373 373  Dig a hole with diameter > 20CM.
374 374  
375 -
376 376  Insert the probe inside, method like measure the surface.
377 377  
378 378  
379 -1.
380 -11.
381 -111. Maintain Probe
382 -1111. pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
383 -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.
384 -1111. Probe reference electrode is also no strong, need to avoid strong force or hitting.
385 -1111. User should keep reference electrode wet while not use.
386 -1111. Avoid the probes to touch oily matter. Which will cause issue in accuracy.
387 -1111. The probe is IP68 can be put in water.
388 388  
389 -1.
390 -11. Calibration
375 +=== 2.6.3 Maintain Probe ===
391 391  
392 -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).
377 +1. (((
378 +pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
379 +)))
380 +1. (((
381 +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.
382 +)))
383 +1. (((
384 +Probe reference electrode is also no strong, need to avoid strong force or hitting.
385 +)))
386 +1. (((
387 +User should keep reference electrode wet while not use.
388 +)))
389 +1. (((
390 +Avoid the probes to touch oily matter. Which will cause issue in accuracy.
391 +)))
392 +1. (((
393 +The probe is IP68 can be put in water.
393 393  
394 394  
395 -**After stable, user can use below command to calibrate.**
396 +
397 +)))
396 396  
399 +== 2.7 Calibration ==
397 397  
398 -|**pH buffer solution**|**AT Command to calibrate**|**Downlink Command**|**Read Cal Value**
399 -|**4.00**|**AT+PHCAL=4**|(((
400 -**0x13 04**
401 +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).
401 401  
402 -**Reply with Calibrate payload**
403 -)))|(((
404 -**AT+PHCAL=?**
405 405  
406 -**Example 41,61,91**
407 -)))
408 -|**6.86**|**AT+PHCAL=6**|(((
409 -**0x13 06**
404 +(% style="color:#037691" %)**After stable, user can use below command to calibrate.**
410 410  
411 -**Reply with Calibrate payload**
412 -)))|**AT+PHCAL=?**
413 -|**9.18**|**AT+PHCAL=9**|(((
414 -**0x13 09**
406 +[[image:image-20220607144936-3.png]]
415 415  
416 -**Reply with Calibrate payload**
417 -)))|**AT+PHCAL=?**
418 -|**Factory Default**|**AT+PHCAL=15**|(((
419 -**0x13 15**
420 420  
421 -**Reply with Calibrate payload**
422 -)))|(((
423 -**AT+PHCAL=?**
424 424  
425 -**Example 151**
426 -)))
410 +(% style="color:#037691" %)**Calibration Payload**
427 427  
428 -Calibration Payload
429 -
412 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
430 430  |(((
431 431  **Size**
432 432  
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441 441  
442 442  Calibrate value
443 443  )))|Reserve|(((
444 -[[Message>>path:#Message_Type]]
445 -
446 -[[Type>>path:#Message_Type]]
447 -
448 -Always 0x03
427 +[[Message Type Always 0x03>>||anchor="H2.3.6MessageType"]]
449 449  )))
450 450  
451 451  User can also send 0x14 downlink command to poll the current calibration payload.
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