Last modified by Xiaoling on 2025/04/25 14:08
<
From version < 99.21 >
edited by Xiaoling
on 2023/05/23 18:09
To version < 107.1 >
edited by Bei Jinggeng
on 2024/08/02 17:02
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LSPH01-LoRaWAN Soil pH Sensor User Manual
1 +LSPH01 -- LoRaWAN Soil pH Sensor User Manual
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -5,6 +5,10 @@
5 5  
6 6  
7 7  
8 +
9 +
10 +
11 +
8 8  **Table of Contents:**
9 9  
10 10  {{toc/}}
... ... @@ -20,11 +20,11 @@
20 20  
21 21  
22 22  (((
23 -The Dragino LSPH01 is a (% style="color:#4f81bd" %)**LoRaWAN 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.
27 +The Dragino LSPH01 is a (% style="color:blue" %)**LoRaWAN Soil pH Sensor**(%%) for IoT of Agriculture. It is designed to measure the (% style="color:blue" %)**soil PH and soil temperature**(%%), so to send to the platform to analyze the soil acid or alkali level. The probe is IP68 waterproof.
24 24  )))
25 25  
26 26  (((
27 -LSPH01 probe is made by Solid AgCl reference electrode and Pure metal pH sensitive electrode. It can detect soil's** (% style="color:#4f81bd" %)pH (%%)**with high accuracy and stable value. The LSPH01 probe can be buried into soil for long time use.
31 +LSPH01 probe is made by Solid AgCl reference electrode and Pure metal pH sensitive electrode. It can detect (% style="color:blue" %)**soil's pH **(%%)with high accuracy and stable value. The LSPH01 probe can be buried into soil for long time use.
28 28  )))
29 29  
30 30  (((
... ... @@ -32,7 +32,7 @@
32 32  )))
33 33  
34 34  (((
35 -LSPH01 is powered by (% style="color:#4f81bd" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
39 +LSPH01 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
36 36  )))
37 37  
38 38  (((
... ... @@ -60,8 +60,6 @@
60 60  * IP68 rate for the Sensor Probe
61 61  * 8500mAh Battery for long term use
62 62  
63 -
64 -
65 65  == 1.3 Probe Specification ==
66 66  
67 67  
... ... @@ -82,15 +82,11 @@
82 82  * IP68 Protection
83 83  * Length: 3.5 meters
84 84  
85 -
86 -
87 87  == 1.4 ​Applications ==
88 88  
89 89  
90 90  * Smart Agriculture
91 91  
92 -
93 -
94 94  == 1.5 Pin mapping and power on ==
95 95  
96 96  
... ... @@ -201,11 +201,11 @@
201 201  Normal uplink payload:
202 202  )))
203 203  
204 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:470px" %)
205 -|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)(((
202 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:470px" %)
203 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
206 206  **Size(bytes)**
207 -)))|=(% style="width: 30px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 80px;background-color:#D9E2F3;color:#0070C0" %)**1**
208 -|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
205 +)))|=(% style="width: 30px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**1**
206 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
209 209  [[Temperature (Optional)>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
210 210  )))|[[Soil pH>>||anchor="H2.3.3SoilpH"]]|[[Soil Temperature>>||anchor="H2.3.4SoilTemperature"]]|(((
211 211  [[Digital Interrupt (Optional)>>||anchor="H2.3.5InterruptPin"]]
... ... @@ -287,14 +287,12 @@
287 287  )))
288 288  
289 289  
290 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:496px" %)
291 -|=(% style="width: 160px;background-color:#D9E2F3;color:#0070C0" %)**Message Type Code**|=(% style="width: 163px;background-color:#D9E2F3;color:#0070C0" %)**Description**|=(% style="width: 173px;background-color:#D9E2F3;color:#0070C0" %)**Payload**
288 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:496px" %)
289 +|=(% style="width: 160px;background-color:#4F81BD;color:white" %)**Message Type Code**|=(% style="width: 163px;background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 173px;background-color:#4F81BD;color:white" %)**Payload**
292 292  |(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
293 293  |(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.4GetFirmwareVersionInfo"]]
294 294  |(% style="width:160px" %)0x03|(% style="width:163px" %)Reply Calibration Info|(% style="width:173px" %)[[Calibration Payload>>||anchor="H2.7Calibration"]]
295 295  
296 -
297 -
298 298  === 2.3.7 Decode payload in The Things Network ===
299 299  
300 300  
... ... @@ -386,10 +386,8 @@
386 386  
387 387  
388 388  (((
389 -(((
390 390  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. 
391 391  )))
392 -)))
393 393  
394 394  
395 395  === 2.6.2 Measurement ===
... ... @@ -396,13 +396,11 @@
396 396  
397 397  
398 398  (((
399 -(% style="color:#4f81bd" %)**Measurement the soil surface:**
393 +(% style="color:blue" %)**Measurement the soil surface:**
400 400  )))
401 401  
402 402  (((
403 403  [[image:1654592946732-634.png]]
404 -
405 -
406 406  )))
407 407  
408 408  (((
... ... @@ -426,7 +426,7 @@
426 426  )))
427 427  
428 428  (((
429 -(% style="color:#4f81bd" %)**Measurement inside soil:**
421 +(% style="color:blue" %)**Measurement inside soil:**
430 430  )))
431 431  
432 432  (((
... ... @@ -441,24 +441,28 @@
441 441  === 2.6.3 Maintain Probe ===
442 442  
443 443  
444 -1. (((
445 -pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
436 +(((
437 +~1. pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
446 446  )))
447 -1. (((
448 -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.
439 +
440 +(((
441 +2. 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.
449 449  )))
450 -1. (((
451 -Probe reference electrode is also no strong, need to avoid strong force or hitting.
443 +
444 +(((
445 +3. Probe reference electrode is also no strong, need to avoid strong force or hitting.
452 452  )))
453 -1. (((
454 -User should keep reference electrode wet while not use.
447 +
448 +(((
449 +4. User should keep reference electrode wet while not use.
455 455  )))
456 -1. (((
457 -Avoid the probes to touch oily matter. Which will cause issue in accuracy.
451 +
452 +(((
453 +5. Avoid the probes to touch oily matter. Which will cause issue in accuracy.
458 458  )))
459 -1. (((
460 -The probe is IP68 can be put in water.
461 461  
456 +(((
457 +6. The probe is IP68 can be put in water.
462 462  
463 463  
464 464  )))
... ... @@ -466,15 +466,26 @@
466 466  == 2.7 Calibration ==
467 467  
468 468  
465 +(% style="color:blue" %)**Step1 :**(%%)** Clean probe**
466 +
467 +user can use high grade sandpaper to polish it or put in 5% hydrochloric acid for several minutes. After the metal probe looks new, users can clean it to remove hydrochloric acid or other liquids from the surface.
468 +
469 +(% style="color:blue" %)**Step2 :**(%%)** Immerse the sensor in ph buffer solution to make the sensor values stable**
470 +
469 469  (((
470 470  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).
473 +
474 +(% style="color:red" %)**Note: Only one ph buffer with one of the ph values needs to be calibrated during calibration. Wait for the sensor measurement value to be stable, it does not need to be the same as the ph marked by the ph buffer**
475 +
476 +
477 +(% style="color:blue" %)**Step3 :**(%%)** The numerically stable sensors were calibrated using commands**
471 471  )))
472 472  
473 473  (((
474 -After stable, user can use below command to calibrate.
481 + User can use below command to calibrate.
475 475  
476 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:520px" %)
477 -|(% style="background-color:#d9e2f3; color:#0070c0; width:120px" %)**pH buffer solution**|(% style="background-color:#d9e2f3; color:#0070c0; width:150px" %)**AT Command to calibrate**|(% style="background-color:#d9e2f3; color:#0070c0; width:150px" %)**Downlink Command**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**Read Cal Value**
483 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
484 +|(% style="background-color:#4f81bd; color:white; width:120px" %)**pH buffer solution**|(% style="background-color:#4f81bd; color:white; width:150px" %)**AT Command to calibrate**|(% style="background-color:#4f81bd; color:white; width:145px" %)**Downlink Command**|(% style="background-color:#4f81bd; color:white; width:95px" %)**Read Cal Value**
478 478  |(% style="width:149px" %)4.00|(% style="width:197px" %)AT+PHCAL=4|(% style="width:206px" %)(((
479 479  0x13 04
480 480  Reply with Calibrate payload
... ... @@ -499,13 +499,25 @@
499 499  )))
500 500  )))
501 501  
509 +To use the AT COMMAND, refer to this link:
502 502  
511 +* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
512 +
513 +* AT Command via UART Connection : See [[UART Connection>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
514 +
515 +To use Downlink, take TTN as an example, please refer to this link:
516 +
517 +* LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>url:http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
518 +
519 +When the command is successfully used, the node sends a uplink.
520 +This is the payload for uplink
521 +
503 503  (% style="color:#037691" %)**Calibration Payload**
504 504  
505 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
506 -|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)(((
524 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:500px" %)
525 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
507 507  **Size(bytes)**
508 -)))|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**7**|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)**1**
527 +)))|=(% style="width: 100px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 100px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 100px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**7**|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**1**
509 509  |Value|(((
510 510  PH4 Calibrate value
511 511  )))|PH6.86 Calibrate value|(((
... ... @@ -515,18 +515,23 @@
515 515  Always 0x03
516 516  )))
517 517  
518 -
519 519  User can also send 0x14 downlink command to poll the current calibration payload.
520 520  
521 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:480px" %)
522 -|=(% style="width: 183px; background-color:#D9E2F3;color:#0070C0" %)**Downlink Control Type**|=(% style="width: 55px; background-color:#D9E2F3;color:#0070C0" %)FPort|=(% style="width: 93px; background-color:#D9E2F3;color:#0070C0" %)**Type Code**|=(% style="width: 146px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Downlink payload size(bytes)**
539 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:480px" %)
540 +|=(% style="width: 183px; background-color:#4F81BD;color:white" %)**Downlink Control Type**|=(% style="width: 55px; background-color:#4F81BD;color:white" %)FPort|=(% style="width: 93px; background-color:#4F81BD;color:white" %)**Type Code**|=(% style="width: 149px; background-color:#4F81BD;color:white" %)**Downlink payload size(bytes)**
523 523  |(% style="width:183px" %)Get Calibration Version Info|(% style="width:55px" %)Any|(% style="width:93px" %)14|(% style="width:146px" %)2
524 524  
525 525  * Reply to the confirmation package: 14 01
544 +
526 526  * Reply to non-confirmed packet: 14 00
527 527  
547 +(% style="color:blue" %)**Step4 : **(%%)**After the calibration is completed, its measurement results in this ph buffer solution should be consistent with the numerical value of the command used in the calibration.**
528 528  
549 +Examples:
550 +After using the command AT+PH=9 in 9.18ph buffer
551 +The readout returned by the sensor in 9.18ph buffer should be pH=9
529 529  
553 +
530 530  == 2.8 Frequency Plans ==
531 531  
532 532  
... ... @@ -611,10 +611,9 @@
611 611  )))
612 612  
613 613  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
638 +
614 614  * 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)
615 615  
616 -
617 -
618 618  === 2.8.3 CN470-510 (CN470) ===
619 619  
620 620  
... ... @@ -723,10 +723,9 @@
723 723  )))
724 724  
725 725  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
749 +
726 726  * 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)
727 727  
728 -
729 -
730 730  === 2.8.5 AS920-923 & AS923-925 (AS923) ===
731 731  
732 732  
... ... @@ -854,9 +854,6 @@
854 854  922.5 - SF7BW125 to SF12BW125
855 855  )))
856 856  
857 -(((
858 -
859 -)))
860 860  
861 861  (((
862 862  (% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
... ... @@ -890,9 +890,6 @@
890 890  923.3 - SF7BW125 to SF12BW125
891 891  )))
892 892  
893 -(((
894 -
895 -)))
896 896  
897 897  (((
898 898  (% style="color:blue" %)**Downlink:**
... ... @@ -926,9 +926,6 @@
926 926  865.9850 - SF7BW125 to SF12BW125
927 927  )))
928 928  
929 -(((
930 -
931 -)))
932 932  
933 933  (((
934 934  (% style="color:blue" %)**Downlink:**
... ... @@ -949,10 +949,9 @@
949 949  The LSPH01 has an internal LED which is to show the status of different state.
950 950  
951 951  * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
965 +
952 952  * Blink once when device transmit a packet.
953 953  
954 -
955 -
956 956  == 2.10 ​Firmware Change Log ==
957 957  
958 958  
... ... @@ -998,9 +998,6 @@
998 998  They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
999 999  )))
1000 1000  
1001 -(((
1002 -
1003 -)))
1004 1004  
1005 1005  * (((
1006 1006  (% style="color:#4f81bd" %)** Commands special design for LSPH01**
... ... @@ -1018,8 +1018,8 @@
1018 1018  
1019 1019  (% style="color:#037691" %)**AT Command: AT+TDC**
1020 1020  
1021 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1022 -|=(% style="width: 156px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 137px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Response**
1030 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1031 +|=(% style="width: 156px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 137px;background-color:#4F81BD;color:white" %)**Function**|=(% style="background-color:#4F81BD;color:white" %)**Response**
1023 1023  |(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
1024 1024  30000
1025 1025  OK
... ... @@ -1059,8 +1059,8 @@
1059 1059  
1060 1060  (% style="color:#037691" %)**AT Command: AT+INTMOD**
1061 1061  
1062 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1063 -|=(% style="width: 154px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 196px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 157px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1071 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1072 +|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 197px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 158px;background-color:#4F81BD;color:white" %)**Response**
1064 1064  |(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
1065 1065  0
1066 1066  OK
... ... @@ -1091,13 +1091,11 @@
1091 1091  )))
1092 1092  * (((
1093 1093  Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
1094 -)))
1095 1095  
1096 -(((
1104 +
1097 1097  
1098 1098  )))
1099 1099  
1100 -
1101 1101  == 3.3 Calibrate Sensor ==
1102 1102  
1103 1103  
... ... @@ -1111,11 +1111,12 @@
1111 1111  
1112 1112  (% style="color:#037691" %)**Downlink Command: 0x26**
1113 1113  
1114 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
1115 -|(% style="background-color:#d9e2f3; color:#0070c0; width:193px" %)**Downlink Control Type**|(% style="background-color:#d9e2f3; color:#0070c0; width:57px" %)**FPort**|(% style="background-color:#d9e2f3; color:#0070c0; width:91px" %)**Type Code**|(% style="background-color:#d9e2f3; color:#0070c0; width:159px" %)**Downlink payload size(bytes)**
1121 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:500px" %)
1122 +|(% style="background-color:#4f81bd; color:white; width:193px" %)**Downlink Control Type**|(% style="background-color:#4f81bd; color:white; width:57px" %)**FPort**|(% style="background-color:#4f81bd; color:white; width:91px" %)**Type Code**|(% style="background-color:#4f81bd; color:white; width:159px" %)**Downlink payload size(bytes)**
1116 1116  |(% style="width:193px" %)Get Firmware Version Info|(% style="width:57px" %)Any|(% style="width:91px" %)26|(% style="width:149px" %)2
1117 1117  
1118 1118  * Reply to the confirmation package: 26 01
1126 +
1119 1119  * Reply to non-confirmed packet: 26 00
1120 1120  
1121 1121  Device will send an uplink after got this downlink command. With below payload:
... ... @@ -1122,8 +1122,8 @@
1122 1122  
1123 1123  Configures info payload:
1124 1124  
1125 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1126 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**5**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**1**
1133 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1134 +|(% style="background-color:#4f81bd; color:white; width:50px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:70px" %)**1**|(% style="background-color:#4f81bd; color:white; width:70px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**|(% style="background-color:#4f81bd; color:white; width:70px" %)**1**|(% style="background-color:#4f81bd; color:white; width:60px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**5**|(% style="background-color:#4f81bd; color:white; width:90px" %)**1**
1127 1127  |Value|Software Type|(((
1128 1128  Frequency
1129 1129  Band
... ... @@ -1236,6 +1236,58 @@
1236 1236  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.
1237 1237  
1238 1238  
1247 +== 7.2 Possible reasons why the device is unresponsive： ==
1248 +
1249 +
1250 +​1. Check whether the battery voltage is lower than 2.8V
1251 +2. Check whether the jumper of the device is correctly connected
1252 +
1253 +[[image:image-20240330174400-2.png]]
1254 +3. Check whether the switch here of the device is at the ISP（The switch can operate normally only when it is in RUN）
1255 +
1256 +[[image:image-20240330174406-3.png]]
1257 +​
1258 +
1259 +== 7.3 The node cannot read the sensor data ==
1260 +
1261 +This may be caused by a software firmware(≤1.1.6 version) bug, which we fixed in the latest firmware (>1.0.0 version)
1262 +
1263 +The user can fix this problem via upgrade firmware.
1264 +
1265 +
1266 +By default, The latest firmware value of POWERIC is 1, while the 3322 version requires POWERIC to be set to 0 in order to function properly
1267 +
1268 +
1269 +* **//1. Check if the hardware version is 3322//**
1270 +
1271 +If the sensor hardware version is 3322 or earlier, the user can change the POWERIC value to 0 after a firmware upgrade using one of the following methods
1272 +
1273 +**a. Using AT command**
1274 +
1275 +(% class="box infomessage" %)
1276 +(((
1277 +AT+POWERIC=0.
1278 +)))
1279 +
1280 +
1281 +**b. Using Downlink**
1282 +
1283 +(% class="box infomessage" %)
1284 +(((
1285 +FF 00(AT+POWERIC=0).
1286 +)))
1287 +
1288 +
1289 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20240531090837-1.png?rev=1.1||alt="image-20240531090837-1.png"]]
1290 +
1291 +
1292 +Please check your hardware production date
1293 +
1294 +The first two digits are the week of the year, and the last two digits are the year.
1295 +
1296 +The number 3322 is the first batch we changed the power IC.
1297 +
1298 +
1239 1239  = 8. Order Info =
1240 1240  
1241 1241  
... ... @@ -1253,8 +1253,6 @@
1253 1253  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1254 1254  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1255 1255  
1256 -
1257 -
1258 1258  = 9. ​Packing Info =
1259 1259  
1260 1260  
... ... @@ -1269,8 +1269,6 @@
1269 1269  * Package Size / pcs : cm
1270 1270  * Weight / pcs : g
1271 1271  
1272 -
1273 -
1274 1274  = 10. ​Support =
1275 1275  
1276 1276  
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