Last modified by Bei Jinggeng on 2024/03/30 17:53
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From version < 56.11 >
edited by Xiaoling
on 2023/04/24 09:18
To version < 51.11 >
edited by Xiaoling
on 2022/09/12 17:49
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Summary

Details

Page properties
Content
... ... @@ -9,34 +9,20 @@
9 9  
10 10  = 1.  Introduction =
11 11  
12 +
12 12  == 1.1 ​ What is NSPH01 Soil pH Sensor ==
13 13  
14 14  
15 -(((
16 16  The Dragino NSPH01 is a (% style="color:blue" %)**NB-IoT soil pH sensor**(%%) for IoT of Agriculture. It is designed to measure the soil pH and soil temperature, so to send to the platform to analyze the soil acid or alkali level. The probe is IP68 waterproof.
17 -)))
18 18  
19 -(((
20 20  NSPH01 probe is made by Solid AgCl reference electrode and Pure metal pH sensitive electrode. It can detect soil's** (% style="color:blue" %)pH (%%)**with high accuracy and stable value. The NSPH01 probe can be buried into soil for long time use.
21 -)))
22 22  
23 -(((
24 24  NarrowBand-Internet of Things (NB-IoT) is a standards-based low power wide area (LPWA) technology developed to enable a wide range of new IoT devices and services. NB-IoT significantly improves the power consumption of user devices, system capacity and spectrum efficiency, especially in deep coverage.
25 -)))
21 +\\NSPH01 supports different uplink methods include (% style="color:blue" %)**TCP,MQTT,UDP and CoAP  **(%%)for different application requirement.
22 +\\NSPH01 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method)
23 +\\To use NSPH01, user needs to check if there is NB-IoT coverage in the installation area and with the bands NSPH01 supports. If the local operator supports it, user needs to get a (% style="color:blue" %)**NB-IoT SIM card** (%%)from local operator and install NSPH01 to get NB-IoT network connection.
26 26  
27 -(((
28 -NSPH01 supports different uplink methods include (% style="color:blue" %)**TCP,MQTT,UDP and CoAP  **(%%)for different application requirement.
29 -)))
30 30  
31 -(((
32 -NSPH01 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method)
33 -)))
34 -
35 -(((
36 -To use NSPH01, user needs to check if there is NB-IoT coverage in the installation area and with the bands NSPH01 supports. If the local operator supports it, user needs to get a (% style="color:blue" %)**NB-IoT SIM card** (%%)from local operator and install NSPH01 to get NB-IoT network connection.
37 -)))
38 -
39 -
40 40  [[image:image-20220907153151-1.png]]
41 41  
42 42  
... ... @@ -43,6 +43,7 @@
43 43  [[image:M_K`YF9`CAYAE\@}3T]FHT$9.png]]
44 44  
45 45  
32 +
46 46  == 1.2  Features ==
47 47  
48 48  
... ... @@ -62,6 +62,7 @@
62 62  * 8500mAh Battery for long term use
63 63  
64 64  
52 +
65 65  == 1.3  Specification ==
66 66  
67 67  
... ... @@ -70,16 +70,20 @@
70 70  * Supply Voltage: 2.1v ~~ 3.6v
71 71  * Operating Temperature: -40 ~~ 85°C
72 72  
61 +
62 +
73 73  (% style="color:#037691" %)**NB-IoT Spec:**
74 74  
75 -* B1 @H-FDD: 2100MHz
76 -* B3 @H-FDD: 1800MHz
77 -* B8 @H-FDD: 900MHz
78 -* B5 @H-FDD: 850MHz
79 -* B20 @H-FDD: 800MHz
80 -* B28 @H-FDD: 700MHz
65 +* - B1 @H-FDD: 2100MHz
66 +* - B3 @H-FDD: 1800MHz
67 +* - B8 @H-FDD: 900MHz
68 +* - B5 @H-FDD: 850MHz
69 +* - B20 @H-FDD: 800MHz
70 +* - B28 @H-FDD: 700MHz
81 81  
82 82  
73 +
74 +
83 83  == 1.4  Probe Specification ==
84 84  
85 85  
... ... @@ -92,6 +92,8 @@
92 92  * IP68 Protection
93 93  * Length: 3.5 meters
94 94  
87 +
88 +
95 95  (% style="color:#037691" %)**Soil Temperature:**
96 96  
97 97  * Range -40℃～85℃
... ... @@ -101,6 +101,8 @@
101 101  * Length: 3.5 meters
102 102  
103 103  
98 +
99 +
104 104  == 1.5  ​Applications ==
105 105  
106 106  
... ... @@ -107,6 +107,8 @@
107 107  * Smart Agriculture
108 108  
109 109  
106 +
107 +
110 110  == 1.6  Pin mapping and power on ==
111 111  
112 112  
... ... @@ -113,8 +113,10 @@
113 113  [[image:image-20220907153300-2.png]]
114 114  
115 115  
114 +
116 116  = 2.  Use NSPH01 to communicate with IoT Server =
117 117  
117 +
118 118  == 2.1  How it works ==
119 119  
120 120  
... ... @@ -126,8 +126,10 @@
126 126  [[image:image-20220907153416-3.png]]
127 127  
128 128  
129 +
129 129  == 2.2 ​ Configure the NSPH01 ==
130 130  
132 +
131 131  === 2.2.1 Test Requirement ===
132 132  
133 133  
... ... @@ -137,12 +137,13 @@
137 137  * The local NB-IoT network used the band that NSPH01 supports.
138 138  * Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
139 139  
140 -Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NSPH01 will use** CoAP(120.24.4.116:5683) **or raw **UDP(120.24.4.116:5601)** or **MQTT(120.24.4.116:1883)**or **TCP(120.24.4.116:5600)**protocol to send data to the test server.
142 +Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NSPH01 will use** CoAP(120.24.4.116:5683) **or raw **UDP(120.24.4.116:5601)** or **MQTT(120.24.4.116:1883)**or **TCP(120.24.4.116:5600)**protocol to send data to the test server.
141 141  
142 142  
143 143  [[image:image-20220907153445-4.png]]
144 144  
145 145  
148 +
146 146  === 2.2.2 Insert SIM card ===
147 147  
148 148  
... ... @@ -152,6 +152,7 @@
152 152  [[image:image-20220907153505-5.png]]
153 153  
154 154  
158 +
155 155  === 2.2.3 Connect USB – TTL to NSPH01 to configure it ===
156 156  
157 157  
... ... @@ -174,6 +174,7 @@
174 174  * Stop bits:  (% style="color:green" %)**1**
175 175  * Parity:  (% style="color:green" %)**None**
176 176  * Flow Control: (% style="color:green" %)**None**
181 +*
177 177  
178 178  Make sure the switch is in FLASH position, then power on device by connecting the jumper on NSPH01. NSPH01 will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input.
179 179  
... ... @@ -184,6 +184,7 @@
184 184  (% style="color:red" %)**Note: the valid AT Commands can be found at:**(%%)**  **[[**https:~~/~~/www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0**>>url:https://www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0]]
185 185  
186 186  
192 +
187 187  === 2.2.4 Use CoAP protocol to uplink data ===
188 188  
189 189  
... ... @@ -208,6 +208,7 @@
208 208  [[image:image-20220907153612-8.png||height="529" width="729"]]
209 209  
210 210  
217 +
211 211  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
212 212  
213 213  
... ... @@ -223,6 +223,7 @@
223 223  [[image:image-20220907153703-10.png||height="309" width="738"]]
224 224  
225 225  
233 +
226 226  === 2.2.6 Use MQTT protocol to uplink data ===
227 227  
228 228  
... ... @@ -245,6 +245,8 @@
245 245  MQTT protocol has a much higher power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.
246 246  
247 247  
256 +
257 +
248 248  === 2.2.7 Use TCP protocol to uplink data ===
249 249  
250 250  
... ... @@ -259,6 +259,7 @@
259 259  [[image:image-20220907153827-14.png||height="236" width="684"]]
260 260  
261 261  
272 +
262 262  === 2.2.8 Change Update Interval ===
263 263  
264 264  
... ... @@ -269,6 +269,7 @@
269 269  (% style="color:red" %)**NOTE: By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
270 270  
271 271  
283 +
272 272  == 2.3  Uplink Payload ==
273 273  
274 274  
... ... @@ -276,9 +276,9 @@
276 276  
277 277  Each time the device uploads a data package, 8 sets of recorded data will be attached. Up to 32 sets of recorded data can be uploaded.
278 278  
279 -(% border="1.5" style="background-color:#ffffcc; color:green; width:520px" %)
280 -|=(% scope="row" style="width: 50px;" %)**Size(bytes)**|(% style="width:40px" %)**8**|(% style="width:20px" %)**2**|(% style="width:25px" %)**2**|(% style="width:60px" %)**1**|(% style="width:20px" %)**1**|(% style="width:40px" %)**1**|(% style="width:40px" %)**2**|(% style="width:50px" %)**2**|(% style="width:50px" %)**4**|(% style="width:50px" %)**2**|(% style="width:35px" %)**2**|(% style="width:40px" %)**4**
281 -|=(% style="width: 96px;" %)**Value**|(% style="width:83px" %)Device ID|(% style="width:44px" %)Ver|(% style="width:42px" %)BAT|(% style="width:124px" %)Signal Strength|(% style="width:57px" %)MOD|(% style="width:80px" %)Interrupt|(% style="width:69px" %)Soil PH|(% style="width:134px" %)Soil Temperature|(% style="width:98px" %)Time stamp|(% style="width:134px" %)Soil Temperature|(% style="width:68px" %)Soil PH|(% style="width:125px" %)Time stamp  .....
291 +(% border="2" style="background-color:#ffffcc; color:green; width:1160px" %)
292 +|(% style="width:96px" %)**Size(bytes)**|(% style="width:83px" %)**8**|(% style="width:44px" %)**2**|(% style="width:42px" %)**2**|(% style="width:124px" %)1|(% style="width:57px" %)1|(% style="width:80px" %)1|(% style="width:69px" %)2|(% style="width:134px" %)2|(% style="width:98px" %)4|(% style="width:134px" %)2|(% style="width:68px" %)2|(% style="width:125px" %)4
293 +|(% style="width:96px" %)**Value**|(% style="width:83px" %)Device ID|(% style="width:44px" %)Ver|(% style="width:42px" %)BAT|(% style="width:124px" %)Signal Strength|(% style="width:57px" %)MOD|(% style="width:80px" %)Interrupt|(% style="width:69px" %)Soil PH|(% style="width:134px" %)Soil Temperature|(% style="width:98px" %)Time stamp|(% style="width:134px" %)Soil Temperature|(% style="width:68px" %)Soil PH|(% style="width:125px" %)Time stamp  .....
282 282  
283 283  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NSPH01 uplink data.
284 284  
... ... @@ -285,48 +285,27 @@
285 285  [[image:image-20220907153902-15.png||height="581" width="804"]]
286 286  
287 287  
288 -(((
289 289  The payload is ASCII string, representative same HEX:
290 -)))
291 291  
292 -(((
293 -
294 -)))
302 +0x(% style="color:red" %)f868411056754138(% style="color:blue" %)0064(% style="color:green" %)0c78(% style="color:red" %)17(% style="color:blue" %)01(% style="color:green" %)00(% style="color:red" %)**//0225010b6315537b//**010b0226631550fb//**010e022663154d77**//01110225631549f1//**011502246315466b**//01190223631542e5//**011d022163153f62**//011e022163153bde//**011e022163153859**//(%%) where:
295 295  
296 -(((
297 -**0x (% style="color:red" %)__f868411056754138__  (% style="color:blue" %)__0064 __ (% style="color:green" %)__0c78__  (% style="color:#00b0f0" %)__17__  (% style="color:#7030a0" %)__01__  (% style="color:#d60093" %)__00__  (% style="color:#a14d07" %)__0225 __ (% style="color:#0020b0" %) __010b__  (% style="color:#420042" %)__6315537b__  (% style="color:#663300" %)//__010b0226631550fb__  __010e022663154d77  01110225631549f1  011502246315466b  01190223631542e5  011d022163153f62  011e022163153bde 011e022163153859__//(%%)**
298 -)))
304 +* (% style="color:red" %)Device ID: 0xf868411056754138 = f868411056754138
305 +* (% style="color:blue" %)Version: 0x0064=100=1.0.0
306 +* (% style="color:green" %)BAT: 0x0c78 = 3192 mV = 3.192V
307 +* (% style="color:red" %)Singal: 0x17 = 23
308 +* (% style="color:blue" %)Mod: 0x01 = 1
309 +* (% style="color:green" %)Interrupt: 0x00= 0
310 +* Soil PH: 0x0225= 549 = 5.49
311 +* Soil Temperature: 0x010B =267=26.7 °C
312 +* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
313 +* Soil Temperature,Soil PH,Time stamp : 010b0226631550fb
314 +* (% style="color:red" %)8 sets of recorded data: Temperature,Soil PH,Time stamp : 010e022663154d77,.......
299 299  
300 -(((
301 -
302 302  
303 -**where:**
304 -)))
305 305  
306 -* (% style="color:#037691" %)**Device ID:**(%%)** **0xf868411056754138 = f868411056754138
307 -
308 -* (% style="color:#037691" %)**Version:**  (%%) 0x0064=100=1.0.0
309 -
310 -* (% style="color:#037691" %)**BAT:**   (%%) 0x0c78 = 3192 mV = 3.192V
311 -
312 -* (% style="color:#037691" %)**Singal:** (%%)0x17 = 23
313 -
314 -* (% style="color:#037691" %)**Mod:** (%%) 0x01 = 1
315 -
316 -* (% style="color:#037691" %)**Interrupt:**(%%) 0x00= 0
317 -
318 -* (% style="color:#037691" %)**Soil PH:** (%%) 0x0225= 549 = 5.49
319 -
320 -* (% style="color:#037691" %)**Soil Temperature:**(%%) 0x010b =267=26.7 °C
321 -
322 -* (% style="color:#037691" %)**Time stamp :**   (%%) 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
323 -
324 -* (% style="color:#037691" %)**Soil Temperature,Soil PH,Time stamp : **(%%) 010b0226631550fb
325 -
326 -* (% style="color:#037691" %)**8 sets of recorded data:**(%%) Temperature,Soil PH,Time stamp :  010e022663154d77,.......
327 -
328 328  == 2.4  Payload Explanation and Sensor Interface ==
329 329  
320 +
330 330  === 2.4.1  Device ID ===
331 331  
332 332  
... ... @@ -342,6 +342,7 @@
342 342  The Device ID is stored in a none-erase area, Upgrade the firmware or run AT+FDR won't erase Device ID.
343 343  
344 344  
336 +
345 345  === 2.4.2  Version Info ===
346 346  
347 347  
... ... @@ -350,6 +350,7 @@
350 350  For example: 0x00 64 : this device is NSPH01 with firmware version 1.0.0.
351 351  
352 352  
345 +
353 353  === 2.4.3  Battery Info ===
354 354  
355 355  
... ... @@ -360,6 +360,7 @@
360 360  Ex2: 0x0B49 = 2889mV
361 361  
362 362  
356 +
363 363  === 2.4.4  Signal Strength ===
364 364  
365 365  
... ... @@ -378,6 +378,7 @@
378 378  **99**    Not known or not detectable
379 379  
380 380  
375 +
381 381  === 2.4.5  Soil PH ===
382 382  
383 383  
... ... @@ -388,6 +388,7 @@
388 388  (% style="color:blue" %)**0229(H) = 549(D) /100 = 5.49.**
389 389  
390 390  
386 +
391 391  === 2.4.6  Soil Temperature ===
392 392  
393 393  
... ... @@ -401,6 +401,7 @@
401 401  If payload is FF7EH: ((FF7E & 0x8000)>>15 ===1),temp = (FF7E(H)-FFFF(H))/10 = -12.9 °C
402 402  
403 403  
400 +
404 404  === 2.4.7  Timestamp ===
405 405  
406 406  
... ... @@ -409,6 +409,7 @@
409 409  Convert Unix timestamp to time 2022-9-5 9:40:11.
410 410  
411 411  
409 +
412 412  === 2.4.8  Digital Interrupt ===
413 413  
414 414  
... ... @@ -428,6 +428,7 @@
428 428  0x(01): Interrupt Uplink Packet.
429 429  
430 430  
429 +
431 431  === 2.4.9  ​+5V Output ===
432 432  
433 433  
... ... @@ -440,6 +440,7 @@
440 440  Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors.** **
441 441  
442 442  
442 +
443 443  == 2.5  Downlink Payload ==
444 444  
445 445  
... ... @@ -467,6 +467,7 @@
467 467  Downlink Payload: 06000003, Set AT+INTMOD=3
468 468  
469 469  
470 +
470 470  == 2.6  ​LED Indicator ==
471 471  
472 472  
... ... @@ -477,8 +477,11 @@
477 477  * After NSPH01 join NB-IoT network. The LED will be ON for 3 seconds.
478 478  * For each uplink probe, LED will be on for 500ms.
479 479  
481 +
482 +
480 480  == 2.7  Installation and Maintain ==
481 481  
485 +
482 482  === 2.7.1  Before measurement ===
483 483  
484 484  
... ... @@ -485,6 +485,7 @@
485 485  If the NSPH01 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. 
486 486  
487 487  
492 +
488 488  === 2.7.2  Measurement ===
489 489  
490 490  
... ... @@ -509,6 +509,7 @@
509 509  Insert the probe inside, method like measure the surface.
510 510  
511 511  
517 +
512 512  === 2.7.3  Maintain Probe ===
513 513  
514 514  
... ... @@ -519,6 +519,8 @@
519 519  1. Avoid the probes to touch oily matter. Which will cause issue in accuracy.
520 520  1. The probe is IP68 can be put in water.
521 521  
528 +
529 +
522 522  == 2.8  PH and Temperature alarm function ==
523 523  
524 524  
... ... @@ -551,6 +551,7 @@
551 551  AT+ TEMPALARM=20,30  ~/~/ Alarm when temperature lower than 20.
552 552  
553 553  
562 +
554 554  == 2.9  Set the number of data to be uploaded and the recording time ==
555 555  
556 556  
... ... @@ -559,11 +559,8 @@
559 559  * (% style="color:blue" %)**AT+TR=900**     (%%) ~/~/  The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
560 560  * (% style="color:blue" %)**AT+NOUD=8**     (%%) ~/~/  The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
561 561  
562 - The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
563 563  
564 -[[image:image-20221009000933-1.png||height="750" width="1043"]]
565 565  
566 -
567 567  == 2.10  Read or Clear cached data ==
568 568  
569 569  
... ... @@ -572,9 +572,12 @@
572 572  * (% style="color:blue" %)**AT+CDP**        (%%) ~/~/  Read cached data
573 573  * (% style="color:blue" %)**AT+CDP=0**    (%%) ~/~/  Clear cached data
574 574  
581 +
582 +
575 575  [[image:image-20220907154700-19.png]]
576 576  
577 577  
586 +
578 578  == 2.11  Calibration ==
579 579  
580 580  
... ... @@ -586,6 +586,7 @@
586 586  [[image:image-20220907154700-20.png]] ​
587 587  
588 588  
598 +
589 589  == 2.12  ​Firmware Change Log ==
590 590  
591 591  
... ... @@ -594,14 +594,64 @@
594 594  Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
595 595  
596 596  
597 -== 2.13 Battery & Power Consumption ==
598 598  
608 +== 2.13  ​Battery Analysis ==
599 599  
600 -NSPH01 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
601 601  
602 -[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
611 +=== 2.13.1  ​Battery Type ===
603 603  
604 604  
614 +The NSPH01 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
615 +
616 +The battery is designed to last for several years depends on the actually use environment and update interval. 
617 +
618 +The battery-related documents as below:
619 +
620 +* [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
621 +* [[Lithium-Thionyl Chloride Battery datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
622 +* [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
623 +
624 +[[image:image-20220907154700-21.png]] ​
625 +
626 +
627 +
628 +=== 2.13.2  Power consumption Analyze ===
629 +
630 +
631 +Dragino battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
632 +
633 +Instruction to use as below:
634 +
635 +(% style="color:blue" %)**Step 1:  **(%%)Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
636 +
637 +(% style="color:blue" %)**Step 2: **(%%) Open it and choose
638 +
639 +* Product Model
640 +* Uplink Interval
641 +* Working Mode
642 +
643 +And the Life expectation in difference case will be shown on the right.
644 +
645 +
646 +[[image:image-20220907154700-22.jpeg]]
647 +
648 +​
649 +
650 +
651 +=== 2.13.3  ​Battery Note ===
652 +
653 +
654 +The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
655 +
656 +
657 +
658 +=== 2.13.4  Replace the battery ===
659 +
660 +
661 +The default battery pack of NSPH01 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
662 +
663 +
664 +
605 605  = 3. ​ Access NB-IoT Module =
606 606  
607 607  
... ... @@ -614,8 +614,10 @@
614 614  
615 615  ​
616 616  
677 +
617 617  = 4.  Using the AT Commands =
618 618  
680 +
619 619  == 4.1  Access AT Commands ==
620 620  
621 621  
... ... @@ -705,8 +705,10 @@
705 705  AT+PWORD  : Serial Access Password
706 706  
707 707  
770 +
708 708  = ​5.  FAQ =
709 709  
773 +
710 710  == 5.1 ​ How to Upgrade Firmware ==
711 711  
712 712  
... ... @@ -717,6 +717,7 @@
717 717  (% style="color:red" %)**Notice, NSPH01 and LSPH01 share the same mother board. They use the same connection and method to update.**
718 718  
719 719  
784 +
720 720  == 5.2  Can I calibrate NSPH01 to different soil types? ==
721 721  
722 722  
... ... @@ -723,8 +723,10 @@
723 723  NSPH01 is calibrated for saline-alkali soil and loamy soil. If users want to use it for other soil, they can calibrate the value in the IoT platform base on the value measured by saline-alkali soil and loamy soil. The formula can be found at [[this link>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/LSE01/Calibrate_to_other_Soil_20220605.pdf]].
724 724  
725 725  
791 +
726 726  = 6.  Trouble Shooting =
727 727  
794 +
728 728  == 6.1  ​Connection problem when uploading firmware ==
729 729  
730 730  
... ... @@ -731,6 +731,7 @@
731 731  **Please see: **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting]]
732 732  
733 733  
801 +
734 734  == 6.2  AT Command input doesn't work ==
735 735  
736 736  
... ... @@ -737,12 +737,7 @@
737 737  In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER** (%%)while press the send key, user need to add ENTER in their string.
738 738  
739 739  
740 -== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
741 741  
742 -
743 -This means sensor is trying to join the NB-IoT network but fail. Please see this link for **//[[trouble shooting for signal strenght:99>>doc:Main.CSQ\:99,99.WebHome]]//**.
744 -
745 -
746 746  = 7. ​ Order Info =
747 747  
748 748  
... ... @@ -749,6 +749,7 @@
749 749  Part Number**:** NSPH01
750 750  
751 751  
815 +
752 752  = 8.  Packing Info =
753 753  
754 754  
... ... @@ -765,6 +765,7 @@
765 765  * Weight / pcs : g
766 766  
767 767  
832 +
768 768  = 9.  Support =
769 769  
770 770  
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