Last modified by Xiaoling on 2025/04/25 14:08
<
From version < 26.3 >
edited by Xiaoling
on 2022/06/07 14:58
To version < 3.4 >
edited by Xiaoling
on 2022/06/07 13:40
>
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Summary

Details

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Content
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5 5  
6 6  
7 7  
8 -**Contents:**
9 9  
10 -{{toc/}}
11 11  
12 12  
13 13  
... ... @@ -17,9 +17,6 @@
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 ==
... ... @@ -75,126 +75,140 @@
75 75  * IP68 Protection
76 76  * Length: 3.5 meters
77 77  
73 +
78 78  == 1.4 ​Applications ==
79 79  
80 80  * Smart Agriculture
81 81  
78 +
82 82  == 1.5 Pin mapping and power on ==
83 83  
84 -[[image:1654580482666-473.png]]
81 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
85 85  
86 86  
87 87  
88 -= 2. Configure LSPH01 to connect to LoRaWAN network =
89 89  
90 -== 2.1 How it works ==
91 91  
92 -(((
87 +1. Configure LSPH01 to connect to LoRaWAN network
88 +11. How it works
89 +
93 93  The LSPH01 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 LSPH01. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
94 -)))
95 95  
96 -(((
97 -In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H5.200BUseATCommand"]]to set the keys in the LSPH01.
98 -)))
99 99  
93 +In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>path:#_​Using_the_AT]]to set the keys in the LSPH01.
100 100  
101 -== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
102 102  
103 -(((
96 +1.
97 +11. ​Quick guide to connect to LoRaWAN server (OTAA)
98 +
104 104  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.
105 -)))
106 106  
107 -(((
108 -
109 -)))
110 110  
111 -(((
102 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]]
103 +
104 +
112 112  The LG308 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
113 -)))
114 114  
115 -(((
116 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LSPH01.
117 -)))
118 118  
119 -(((
108 +**Step 1**: Create a device in TTN with the OTAA keys from LSPH01.
109 +
120 120  Each LSPH01 is shipped with a sticker with the default device EUI as below:
121 -)))
122 122  
123 123  
124 -[[image:image-20220607135531-1.jpeg]]
113 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
125 125  
126 126  
116 +
117 +
118 +
127 127  You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
128 128  
129 129  
130 130  **Register the device**
131 131  
132 -[[image:1654581442672-605.png]]
124 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
133 133  
134 134  
135 -
136 136  **Add APP EUI and DEV EUI**
137 137  
138 -[[image:1654581465717-368.png]]
139 139  
130 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
140 140  
141 141  
142 142  **Add APP EUI in the application**
143 143  
144 -[[image:1654581493871-516.png]]
145 145  
136 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
146 146  
147 147  
148 148  **Add APP KEY**
149 149  
150 -[[image:1654581517630-991.png]]
141 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
151 151  
152 152  
153 -(% style="color:blue" %)**Step 2**(%%): Power on LSPH01
144 +**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).
157 157  
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.
151 +|(((
152 +
153 +)))
162 162  
163 -[[image:1654581590132-631.png]]
155 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
164 164  
165 165  
166 166  
167 -== 2.3 ​Uplink Payload ==
168 168  
160 +**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 +
162 +
163 +
164 +
165 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
166 +
167 +
168 +
169 +1.
170 +11. ​Uplink Payload
171 +
169 169  LSPH01 will uplink payload via LoRaWAN with below payload format: 
170 170  
174 +
171 171  Uplink payload includes in total 11 bytes.
176 +
172 172  
173 173  Normal uplink payload:
174 174  
175 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
176 176  |(((
177 177  **Size**
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"]]
185 +|**Value**|[[BAT>>path:#bat]]|(((
186 +[[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"]]
188 +[[( Optional )>>path:#DS18B20]]
189 +)))|[[Soil pH>>path:#Soil_Nitrogen]]|[[Soil Temperature>>path:#Soil_Phosphorus]]|(((
190 +[[Digital Interrupt>>path:#Int_pin]]
191 +
192 +[[(Optional)>>path:#Int_pin]]
187 187  )))|Reserve|(((
188 -[[Message Type>>||anchor="H2.3.6MessageType"]]
194 +[[Message>>path:#Message_Type]]
195 +
196 +[[Type>>path:#Message_Type]]
189 189  )))
190 190  
191 -[[image:1654581735133-458.png]]
199 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
192 192  
193 193  
194 194  
195 -=== 2.3.1 Battery Info ===
203 +1.
204 +11.
205 +111. Battery Info
196 196  
197 -
198 198  Check the battery voltage for LSPH01.
199 199  
200 200  Ex1: 0x0B45 = 2885mV
... ... @@ -202,12 +202,13 @@
202 202  Ex2: 0x0B49 = 2889mV
203 203  
204 204  
214 +1.
215 +11.
216 +111. DS18B20 Temperature sensor
205 205  
206 -=== 2.3.2 DS18B20 Temperature sensor ===
218 +This is optional, user can connect external DS18B20 sensor to the [[+3.3v, 1-wire and GND pin>>path:#DS18B20]] . and this field will report temperature.
207 207  
208 -This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
209 209  
210 -
211 211  **Example**:
212 212  
213 213  If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
... ... @@ -216,35 +216,40 @@
216 216  
217 217  
218 218  
219 -=== 2.3.3 Soil pH ===
229 +1.
230 +11.
231 +111. Soil pH
220 220  
221 221  Range: 0 ~~ 14 pH
222 222  
223 -**Example:**
235 +Example:
224 224  
225 -(% style="color:#037691" %)** 0x02B7(H) = 695(D) = 6.95pH**
237 +**0x02B7(H) = 695(D) = 6.95pH**
226 226  
227 227  
240 +1.
241 +11.
242 +111. Soil Temperature
228 228  
229 -=== 2.3.4 Soil Temperature ===
230 -
231 231  Get Soil Temperature 
232 232  
233 233  
234 234  **Example**:
235 235  
236 -If payload is: **0105H**:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
249 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
237 237  
238 -If payload is: **FF3FH** :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
251 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
239 239  
240 240  
241 241  
242 -=== 2.3.5 Interrupt Pin ===
255 +1.
256 +11.
257 +111. Interrupt Pin
243 243  
244 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2SetInterruptMode"]] for the hardware and software set up.
259 +This data field shows if this packet is generated by interrupt or not. [[Click here>>path:#Int_mod]] for the hardware and software set up.
245 245  
246 246  
247 -**Example:**
262 +Example:
248 248  
249 249  0x00: Normal uplink packet.
250 250  
... ... @@ -251,165 +251,184 @@
251 251  0x01: Interrupt Uplink Packet.
252 252  
253 253  
269 +1.
270 +11.
271 +111. Message Type
254 254  
255 -=== 2.3.6 Message Type ===
256 -
257 257  For a normal uplink payload, the message type is always 0x01.
258 258  
259 259  Valid Message Type:
260 260  
261 261  
262 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
263 -|**Message Type Code**|**Description**|**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"]]
278 +|Message Type Code|Description|Payload
279 +|0x01|Normal Uplink|[[Normal Uplink Payload>>path:#Normal_Uplink]]
280 +|0x02|Reply configures info|[[Configure Info Payload>>path:#Configure_Info_Payload]]
281 +|0x03|Reply Calibration Info|[[Calibration Payload>>path:#Calibration_Payload]]
267 267  
283 +1.
284 +11.
285 +111. ​Decode payload in The Things Network
268 268  
269 -
270 -=== 2.3.7 Decode payload in The Things Network ===
271 -
272 272  While using TTN network, you can add the payload format to decode the payload.
273 273  
274 274  
275 -[[image:1654582541848-906.png]]
290 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
276 276  
277 -(((
278 278  The payload decoder function for TTN is here:
279 -)))
280 280  
281 -(((
282 282  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/]]
283 -)))
284 284  
285 285  
297 +1.
298 +11. Uplink Interval
286 286  
287 -== 2.4 Uplink Interval ==
300 +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:
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"]]
302 +[[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]]
290 290  
291 291  
292 292  
293 -== 2.5 ​Show Data in DataCake IoT Server ==
306 +1.
307 +11. ​Show Data in DataCake IoT Server
294 294  
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.**
312 +**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:**
314 +**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]]
317 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
304 304  
305 305  
306 -[[image:1654583694084-878.png]]
320 +[[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.**
323 +Step 3: Create an account or log in Datacake.
310 310  
311 -(% style="color:blue" %)**Step 4**(%%)**: Create LSPH01 product.**
325 +Step 4: Create LSPH01 product.
312 312  
313 -[[image:1654583711590-413.png]]
327 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
314 314  
315 315  
316 316  
317 -[[image:1654583732798-193.png]]
331 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
318 318  
319 319  
320 -[[image:1654583749683-259.png]]
334 +[[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**
337 +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]]
342 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
329 329  
330 -[[image:1654583781517-146.png]]
344 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
331 331  
332 332  
333 -[[image:1654583791351-557.png]]
347 +[[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]]
353 +[[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 -(((
359 +1.
360 +11. Installation and Maintain
361 +111. Before measurement
362 +
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  
366 +1.
367 +11.
368 +111. Measurement
352 352  
353 -=== 2.6.2 Measurement ===
370 +**Measurement the soil surface**
354 354  
355 355  
356 -(% style="color:#4f81bd" %)**Measurement the soil surface:**
373 +[[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  
378 +
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  
381 +
366 366  Put soil over the probe after insert. And start to measure.
367 367  
368 368  
369 -(% style="color:#4f81bd" %)**Measurement inside soil:**
385 +**Measurement inside soil**
370 370  
387 +
388 +
371 371  Dig a hole with diameter > 20CM.
372 372  
391 +
373 373  Insert the probe inside, method like measure the surface.
374 374  
375 375  
395 +1.
396 +11.
397 +111. Maintain Probe
398 +1111. pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
399 +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.
400 +1111. Probe reference electrode is also no strong, need to avoid strong force or hitting.
401 +1111. User should keep reference electrode wet while not use.
402 +1111. Avoid the probes to touch oily matter. Which will cause issue in accuracy.
403 +1111. The probe is IP68 can be put in water.
376 376  
377 -=== 2.6.3 Maintain Probe ===
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.
406 +1.
407 +11. Calibration
396 396  
409 +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).
397 397  
398 -
399 -)))
400 400  
401 -== 2.7 Calibration ==
412 +**After stable, user can use below command to calibrate.**
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).
404 404  
405 -After stable, user can use below command to calibrate.
415 +|**pH buffer solution**|**AT Command to calibrate**|**Downlink Command**|**Read Cal Value**
416 +|**4.00**|**AT+PHCAL=4**|(((
417 +**0x13 04**
406 406  
407 -[[image:image-20220607144936-3.png]]
419 +**Reply with Calibrate payload**
420 +)))|(((
421 +**AT+PHCAL=?**
408 408  
423 +**Example 41,61,91**
424 +)))
425 +|**6.86**|**AT+PHCAL=6**|(((
426 +**0x13 06**
409 409  
410 -(% style="color:#037691" %)**Calibration Payload**
428 +**Reply with Calibrate payload**
429 +)))|**AT+PHCAL=?**
430 +|**9.18**|**AT+PHCAL=9**|(((
431 +**0x13 09**
411 411  
412 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
433 +**Reply with Calibrate payload**
434 +)))|**AT+PHCAL=?**
435 +|**Factory Default**|**AT+PHCAL=15**|(((
436 +**0x13 15**
437 +
438 +**Reply with Calibrate payload**
439 +)))|(((
440 +**AT+PHCAL=?**
441 +
442 +**Example 151**
443 +)))
444 +
445 +Calibration Payload
446 +
413 413  |(((
414 414  **Size**
415 415  
... ... @@ -424,22 +424,25 @@
424 424  
425 425  Calibrate value
426 426  )))|Reserve|(((
427 -[[Message Type>>||anchor="H2.3.6MessageType"]]
461 +[[Message>>path:#Message_Type]]
428 428  
463 +[[Type>>path:#Message_Type]]
464 +
429 429  Always 0x03
430 430  )))
431 431  
432 432  User can also send 0x14 downlink command to poll the current calibration payload.
433 433  
434 -[[image:image-20220607145603-4.png]]
435 435  
471 +|**Downlink Control Type**|**FPort**|**Type Code**|**Downlink payload size(bytes)**
472 +|Get Calibration Version Info|Any|14|2
473 +
436 436  * Reply to the confirmation package: 14 01
437 437  * Reply to non-confirmed packet: 14 00
438 438  
477 +1.
478 +11. Frequency Plans
439 439  
440 -
441 -Frequency Plans
442 -
443 443  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.
444 444  
445 445  1.
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