Version 12.2 by Xiaoling on 2022/06/07 13:59
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18 = 1. Introduction =
19
20 == 1.1 ​What is LoRaWAN Soil pH Sensor ==
21
22 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.
23
24 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.
25
26 The LoRa wireless technology used in LSPH01 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
27
28 LSPH01 is powered by (% style="color:#4f81bd" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
29
30 Each LSPH01 is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
31
32
33 [[image:1654580186518-415.png]]
34
35
36
37 == ​1.2 Features ==
38
39 * LoRaWAN 1.0.3 Class A
40 * Ultra-low power consumption
41 * Monitor soil pH with temperature compensation.
42 * Monitor soil temperature
43 * Monitor Battery Level
44 * Support pH calibration by end user
45 * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
46 * AT Commands to change parameters
47 * Uplink on periodically
48 * Downlink to change configure
49 * IP66 Waterproof Enclosure
50 * IP68 rate for the Sensor Probe
51 * 8500mAh Battery for long term use
52
53
54 == 1.3 Probe Specification ==
55
56
57 (% style="color:#4f81bd" %)**Soil pH:**
58
59 * Range: 3 ~~ 10 pH
60 * Resolution: 0.01 pH
61 * Accuracy: ±2% under (0~~50 ℃, Accuracy will poor under 0 due to frozen)
62 * Temperature Compensation Range: 0 ~~ 50℃
63 * IP68 Protection
64 * Length: 3.5 meters
65
66 (% style="color:#4f81bd" %)**Soil Temperature:**
67
68 * Range -40℃～85℃
69 * Resolution: 0.1℃
70 * Accuracy: <±0.5℃(-10℃～40℃)，<±0.8℃ (others)
71 * IP68 Protection
72 * Length: 3.5 meters
73
74
75
76 == 1.4 ​Applications ==
77
78 * Smart Agriculture
79
80
81 == 1.5 Pin mapping and power on ==
82
83 [[image:1654580482666-473.png]]
84
85
86
87 = 2. Configure LSPH01 to connect to LoRaWAN network =
88
89 == 2.1 How it works ==
90
91 (((
92 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.
93 )))
94
95 (((
96 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.
97 )))
98
99
100 == 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
101
102 (((
103 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.
104 )))
105
106 (((
107
108 )))
109
110 (((
111 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.
112 )))
113
114 (((
115 **Step 1**: Create a device in TTN with the OTAA keys from LSPH01.
116 )))
117
118 (((
119 Each LSPH01 is shipped with a sticker with the default device EUI as below:
120 )))
121
122
123 [[image:image-20220607135531-1.jpeg]]
124
125
126 You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
127
128
129 **Register the device**
130
131 [[image:1654581442672-605.png]]
132
133
134
135 **Add APP EUI and DEV EUI**
136
137 [[image:1654581465717-368.png]]
138
139
140
141 **Add APP EUI in the application**
142
143 [[image:1654581493871-516.png]]
144
145
146
147 **Add APP KEY**
148
149 [[image:1654581517630-991.png]]
150
151
152 **Step 2**: Power on LSPH01
153
154
155 Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
156
157 [[image:image-20220607135918-2.png]]
158
159
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 [[image:1654581590132-631.png]]
163
164
165
166 1.
167 11. ​Uplink Payload
168
169 LSPH01 will uplink payload via LoRaWAN with below payload format: 
170
171
172 Uplink payload includes in total 11 bytes.
173
174
175 Normal uplink payload:
176
177 |(((
178 **Size**
179
180 **(bytes)**
181 )))|**2**|**2**|**2**|**2**|**1**|**1**|**1**
182 |**Value**|[[BAT>>path:#bat]]|(((
183 [[Temperature>>path:#DS18B20]]
184
185 [[( Optional )>>path:#DS18B20]]
186 )))|[[Soil pH>>path:#Soil_Nitrogen]]|[[Soil Temperature>>path:#Soil_Phosphorus]]|(((
187 [[Digital Interrupt>>path:#Int_pin]]
188
189 [[(Optional)>>path:#Int_pin]]
190 )))|Reserve|(((
191 [[Message>>path:#Message_Type]]
192
193 [[Type>>path:#Message_Type]]
194 )))
195
196 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
197
198
199
200 1.
201 11.
202 111. Battery Info
203
204 Check the battery voltage for LSPH01.
205
206 Ex1: 0x0B45 = 2885mV
207
208 Ex2: 0x0B49 = 2889mV
209
210
211 1.
212 11.
213 111. DS18B20 Temperature sensor
214
215 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.
216
217
218 **Example**:
219
220 If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
221
222 If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
223
224
225
226 1.
227 11.
228 111. Soil pH
229
230 Range: 0 ~~ 14 pH
231
232 Example:
233
234 **0x02B7(H) = 695(D) = 6.95pH**
235
236
237 1.
238 11.
239 111. Soil Temperature
240
241 Get Soil Temperature 
242
243
244 **Example**:
245
246 If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
247
248 If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
249
250
251
252 1.
253 11.
254 111. Interrupt Pin
255
256 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.
257
258
259 Example:
260
261 0x00: Normal uplink packet.
262
263 0x01: Interrupt Uplink Packet.
264
265
266 1.
267 11.
268 111. Message Type
269
270 For a normal uplink payload, the message type is always 0x01.
271
272 Valid Message Type:
273
274
275 |Message Type Code|Description|Payload
276 |0x01|Normal Uplink|[[Normal Uplink Payload>>path:#Normal_Uplink]]
277 |0x02|Reply configures info|[[Configure Info Payload>>path:#Configure_Info_Payload]]
278 |0x03|Reply Calibration Info|[[Calibration Payload>>path:#Calibration_Payload]]
279
280 1.
281 11.
282 111. ​Decode payload in The Things Network
283
284 While using TTN network, you can add the payload format to decode the payload.
285
286
287 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
288
289 The payload decoder function for TTN is here:
290
291 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/]]
292
293
294 1.
295 11. Uplink Interval
296
297 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:
298
299 [[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]]
300
301
302
303 1.
304 11. ​Show Data in DataCake IoT Server
305
306 [[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:
307
308
309 **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
310
311 **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:
312
313
314 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
315
316
317 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
318
319
320 Step 3: Create an account or log in Datacake.
321
322 Step 4: Create LSPH01 product.
323
324 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
325
326
327
328 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
329
330
331 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
332
333
334 Step 5: add payload decode
335
336 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/]]
337
338
339 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
340
341 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
342
343
344 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
345
346
347 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
348
349
350 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
351
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353
354
355
356 1.
357 11. Installation and Maintain
358 111. Before measurement
359
360 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. 
361
362
363 1.
364 11.
365 111. Measurement
366
367 **Measurement the soil surface**
368
369
370 [[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.
371
372
373 Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
374
375
376 Slowly insert the probe to the measure point. Don’t use large force which will break the probe. Make sure not shake when inserting.
377
378
379 Put soil over the probe after insert. And start to measure.
380
381
382 **Measurement inside soil**
383
384
385
386 Dig a hole with diameter > 20CM.
387
388
389 Insert the probe inside, method like measure the surface.
390
391
392 1.
393 11.
394 111. Maintain Probe
395 1111. pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
396 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.
397 1111. Probe reference electrode is also no strong, need to avoid strong force or hitting.
398 1111. User should keep reference electrode wet while not use.
399 1111. Avoid the probes to touch oily matter. Which will cause issue in accuracy.
400 1111. The probe is IP68 can be put in water.
401
402 1.
403 11. Calibration
404
405 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).
406
407
408 **After stable, user can use below command to calibrate.**
409
410
411 |**pH buffer solution**|**AT Command to calibrate**|**Downlink Command**|**Read Cal Value**
412 |**4.00**|**AT+PHCAL=4**|(((
413 **0x13 04**
414
415 **Reply with Calibrate payload**
416 )))|(((
417 **AT+PHCAL=?**
418
419 **Example 41,61,91**
420 )))
421 |**6.86**|**AT+PHCAL=6**|(((
422 **0x13 06**
423
424 **Reply with Calibrate payload**
425 )))|**AT+PHCAL=?**
426 |**9.18**|**AT+PHCAL=9**|(((
427 **0x13 09**
428
429 **Reply with Calibrate payload**
430 )))|**AT+PHCAL=?**
431 |**Factory Default**|**AT+PHCAL=15**|(((
432 **0x13 15**
433
434 **Reply with Calibrate payload**
435 )))|(((
436 **AT+PHCAL=?**
437
438 **Example 151**
439 )))
440
441 Calibration Payload
442
443 |(((
444 **Size**
445
446 **(bytes)**
447 )))|**1**|**1**|**1**|**7**|**1**
448 |**Value**|(((
449 PH4
450
451 Calibrate value
452 )))|PH6.86 Calibrate value|(((
453 PH9.18
454
455 Calibrate value
456 )))|Reserve|(((
457 [[Message>>path:#Message_Type]]
458
459 [[Type>>path:#Message_Type]]
460
461 Always 0x03
462 )))
463
464 User can also send 0x14 downlink command to poll the current calibration payload.
465
466
467 |**Downlink Control Type**|**FPort**|**Type Code**|**Downlink payload size(bytes)**
468 |Get Calibration Version Info|Any|14|2
469
470 * Reply to the confirmation package: 14 01
471 * Reply to non-confirmed packet: 14 00
472
473 1.
474 11. Frequency Plans
475
476 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.
477
478 1.
479 11.
480 111. EU863-870 (EU868)
481
482 Uplink:
483
484 868.1 - SF7BW125 to SF12BW125
485
486 868.3 - SF7BW125 to SF12BW125 and SF7BW250
487
488 868.5 - SF7BW125 to SF12BW125
489
490 867.1 - SF7BW125 to SF12BW125
491
492 867.3 - SF7BW125 to SF12BW125
493
494 867.5 - SF7BW125 to SF12BW125
495
496 867.7 - SF7BW125 to SF12BW125
497
498 867.9 - SF7BW125 to SF12BW125
499
500 868.8 - FSK
501
502
503 Downlink:
504
505 Uplink channels 1-9 (RX1)
506
507 869.525 - SF9BW125 (RX2 downlink only)
508
509
510 1.
511 11.
512 111. US902-928(US915)
513
514 Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
515
516
517 To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
518
519
520 After Join success, the end node will switch to the correct sub band by:
521
522 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
523 * 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)
524
525 1.
526 11.
527 111. CN470-510 (CN470)
528
529 Used in China, Default use CHE=1
530
531 Uplink:
532
533 486.3 - SF7BW125 to SF12BW125
534
535 486.5 - SF7BW125 to SF12BW125
536
537 486.7 - SF7BW125 to SF12BW125
538
539 486.9 - SF7BW125 to SF12BW125
540
541 487.1 - SF7BW125 to SF12BW125
542
543 487.3 - SF7BW125 to SF12BW125
544
545 487.5 - SF7BW125 to SF12BW125
546
547 487.7 - SF7BW125 to SF12BW125
548
549
550 Downlink:
551
552 506.7 - SF7BW125 to SF12BW125
553
554 506.9 - SF7BW125 to SF12BW125
555
556 507.1 - SF7BW125 to SF12BW125
557
558 507.3 - SF7BW125 to SF12BW125
559
560 507.5 - SF7BW125 to SF12BW125
561
562 507.7 - SF7BW125 to SF12BW125
563
564 507.9 - SF7BW125 to SF12BW125
565
566 508.1 - SF7BW125 to SF12BW125
567
568 505.3 - SF12BW125 (RX2 downlink only)
569
570
571 1.
572 11.
573 111. AU915-928(AU915)
574
575 Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
576
577
578 To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
579
580
581 After Join success, the end node will switch to the correct sub band by:
582
583 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
584 * 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)
585
586 1.
587 11.
588 111. AS920-923 & AS923-925 (AS923)
589
590 **Default Uplink channel:**
591
592 923.2 - SF7BW125 to SF10BW125
593
594 923.4 - SF7BW125 to SF10BW125
595
596
597 **Additional Uplink Channel**:
598
599 (OTAA mode, channel added by JoinAccept message)
600
601 **AS920~~AS923 for Japan, Malaysia, Singapore**:
602
603 922.2 - SF7BW125 to SF10BW125
604
605 922.4 - SF7BW125 to SF10BW125
606
607 922.6 - SF7BW125 to SF10BW125
608
609 922.8 - SF7BW125 to SF10BW125
610
611 923.0 - SF7BW125 to SF10BW125
612
613 922.0 - SF7BW125 to SF10BW125
614
615
616 **AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
617
618 923.6 - SF7BW125 to SF10BW125
619
620 923.8 - SF7BW125 to SF10BW125
621
622 924.0 - SF7BW125 to SF10BW125
623
624 924.2 - SF7BW125 to SF10BW125
625
626 924.4 - SF7BW125 to SF10BW125
627
628 924.6 - SF7BW125 to SF10BW125
629
630
631
632 **Downlink:**
633
634 Uplink channels 1-8 (RX1)
635
636 923.2 - SF10BW125 (RX2)
637
638
639 1.
640 11.
641 111. KR920-923 (KR920)
642
643 Default channel:
644
645 922.1 - SF7BW125 to SF12BW125
646
647 922.3 - SF7BW125 to SF12BW125
648
649 922.5 - SF7BW125 to SF12BW125
650
651
652 Uplink: (OTAA mode, channel added by JoinAccept message)
653
654 922.1 - SF7BW125 to SF12BW125
655
656 922.3 - SF7BW125 to SF12BW125
657
658 922.5 - SF7BW125 to SF12BW125
659
660 922.7 - SF7BW125 to SF12BW125
661
662 922.9 - SF7BW125 to SF12BW125
663
664 923.1 - SF7BW125 to SF12BW125
665
666 923.3 - SF7BW125 to SF12BW125
667
668
669 Downlink:
670
671 Uplink channels 1-7(RX1)
672
673 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
674
675
676 1.
677 11.
678 111. IN865-867 (IN865)
679
680 Uplink:
681
682 865.0625 - SF7BW125 to SF12BW125
683
684 865.4025 - SF7BW125 to SF12BW125
685
686 865.9850 - SF7BW125 to SF12BW125
687
688
689 Downlink:
690
691 Uplink channels 1-3 (RX1)
692
693 866.550 - SF10BW125 (RX2)
694
695
696 1.
697 11. LED Indicator
698
699 The LSPH01 has an internal LED which is to show the status of different state.
700
701
702 * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
703 * Blink once when device transmit a packet.
704
705 1.
706 11. ​Firmware Change Log
707
708 **Firmware download link:**
709
710 [[http:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/LSPH01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
711
712
713 **Firmware Upgrade Method:**
714
715 [[http:~~/~~/wiki.dragino.com/index.pHp?title=Firmware_Upgrade_Instruction_for_STM32_base_products#Introduction>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction_for_STM32_base_products#Introduction]]
716
717
718
719
720
721
722 1. Configure LSPH01 via AT Command or LoRaWAN Downlink
723
724 Use can configure LSPH01 via AT Command or LoRaWAN Downlink.
725
726 * AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
727 * LoRaWAN Downlink instruction for different platforms:
728
729 [[http:~~/~~/wiki.dragino.com/index.pHp?title=Main_Page#Use_Note_for_Server>>url:http://wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server]]
730
731
732 There are two kinds of commands to configure LSPH01, they are:
733
734 * **General Commands**.
735
736 These commands are to configure:
737
738 * General system settings like: uplink interval.
739 * LoRaWAN protocol & radio related command.
740
741 They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
742
743 [[http:~~/~~/wiki.dragino.com/index.pHp?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
744
745
746 * **Commands special design for LSPH01**
747
748 These commands only valid for LSPH01, as below:
749
750
751 1.
752 11. Set Transmit Interval Time
753
754 Feature: Change LoRaWAN End Node Transmit Interval.
755
756 **AT Command: AT+TDC**
757
758 |**Command Example**|**Function**|**Response**
759 |AT+TDC=?|Show current transmit Interval|(((
760 30000
761
762 OK
763
764 the interval is 30000ms = 30s
765 )))
766 |AT+TDC=60000|Set Transmit Interval|(((
767 OK
768
769 Set transmit interval to 60000ms = 60 seconds
770 )))
771
772 **Downlink Command: 0x01**
773
774 Format: Command Code (0x01) followed by 3 bytes time value.
775
776 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
777
778 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
779 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
780
781 1.
782 11. Set Interrupt Mode
783
784 Feature, Set Interrupt mode for GPIO_EXIT.
785
786 **AT Command: AT+INTMOD**
787
788 |**Command Example**|**Function**|**Response**
789 |AT+INTMOD=?|Show current interrupt mode|(((
790 0
791
792 OK
793
794 the mode is 0 = No interruption
795 )))
796 |AT+INTMOD=2|(((
797 Set Transmit Interval
798
799 1. (Disable Interrupt),
800 1. (Trigger by rising and falling edge),
801 1. (Trigger by falling edge)
802 1. (Trigger by rising edge)
803 )))|OK
804
805 **Downlink Command: 0x06**
806
807 Format: Command Code (0x06) followed by 3 bytes.
808
809 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
810
811 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
812 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
813
814 1.
815 11. Calibrate Sensor
816
817 Detail See [[Calibration Guide>>path:#Calibration]] for the user of 0x13 and 0x14 downlink commands
818
819
820
821 1.
822 11. Get Firmware Version Info
823
824 Feature: use downlink to get firmware version.
825
826
827 **Downlink Command: 0x26**
828
829
830 |**Downlink Control Type**|**FPort**|**Type Code**|**Downlink payload size(bytes)**
831 |Get Firmware Version Info|Any|26|2
832
833 * Reply to the confirmation package: 26 01
834 * Reply to non-confirmed packet: 26 00
835
836 Device will send an uplink after got this downlink command. With below payload:
837
838 Configures info payload:
839
840 |(((
841 **Size**
842
843 **(bytes)**
844 )))|**1**|**1**|**1**|**1**|**1**|**5**|**1**
845 |**Value**|Software Type|(((
846 Frequency
847
848 Band
849 )))|Sub-band|(((
850 Firmware
851
852 Version
853 )))|Sensor Type|Reserve|(((
854 [[Message>>path:#Message_Type]]
855
856 [[Type>>path:#Message_Type]]
857
858 Always 0x02
859 )))
860
861 **Software Type**: Always 0x03 for LSPH01
862
863
864 **Frequency Band**:
865
866 *0x01: EU868
867
868 *0x02: US915
869
870 *0x03: IN865
871
872 *0x04: AU915
873
874 *0x05: KZ865
875
876 *0x06: RU864
877
878 *0x07: AS923
879
880 *0x08: AS923-1
881
882 *0x09: AS923-2
883
884 *0xa0: AS923-3
885
886
887 **Sub-Band**: value 0x00 ~~ 0x08
888
889
890 **Firmware Version**: 0x0100, Means: v1.0.0 version
891
892
893 **Sensor Type**:
894
895 0x01: LSE01
896
897 0x02: LDDS75
898
899 0x03: LDDS20
900
901 0x04: LLMS01
902
903 0x05: LSPH01
904
905 0x06: LSNPK01
906
907 0x07: LDDS12
908
909
910
911
912
913
914 1. Battery & How to replace
915 11. Battery Type
916
917 LSPH01 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
918
919
920 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
921
922 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
923
924
925 Minimum Working Voltage for the LSPH01:
926
927 LSPH01:  2.45v ~~ 3.6v
928
929
930 1.
931 11. Replace Battery
932
933 Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
934
935 And make sure the positive and negative pins match.
936
937
938
939 1.
940 11. Power Consumption Analyze
941
942 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.
943
944
945 Instruction to use as below:
946
947
948 Step 1: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
949
950 [[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/]]
951
952
953 Step 2: Open it and choose
954
955 * Product Model
956 * Uplink Interval
957 * Working Mode
958
959 And the Life expectation in difference case will be shown on the right.
960
961 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
962
963
964 The battery related documents as below:
965
966 * [[Battery Dimension>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
967 * [[Lithium-Thionyl Chloride Battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]] datasheet
968 * [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
969
970 |(((
971 JST-XH-2P connector
972 )))
973
974 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
975
976
977
978 1.
979 11.
980 111. ​Battery Note
981
982 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.
983
984
985 1.
986 11.
987 111. ​Replace the battery
988
989 You can change the battery in the LSPH01.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
990
991
992 The default battery pack of LSPH01 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
993
994
995
996
997
998
999 1. Use AT Command
1000 11. Access AT Commands
1001
1002 LSPH01 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LSPH01 for using AT command, as below.
1003
1004 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
1005
1006 Connection:
1007
1008 USB TTL GND <~-~-~-~-> GND
1009
1010 USB TTL TXD <~-~-~-~-> UART_RXD
1011
1012 USB TTL RXD <~-~-~-~-> UART_TXD
1013
1014
1015 In the PC, you need to set the serial baud rate to **9600** to access the serial console for LSPH01. LSPH01 will output system info once power on as below:
1016
1017
1018 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1019
1020 Valid AT Command please check [[Configure Device>>path:#Configure_Device]].
1021
1022
1023
1024
1025 1. FAQ
1026 11. How to change the LoRa Frequency Bands/Region
1027
1028 You can follow the instructions for [[how to upgrade image>>path:#3ygebqi]].
1029 When downloading the images, choose the required image file for download. ​
1030
1031
1032
1033 1. Trouble Shooting
1034 11. AT Commands input doesn’t work
1035
1036 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 **ENTER** while sending out the command. Some serial tool doesn’t send **ENTER** while press the send key, user need to add ENTER in their string.
1037
1038
1039 1. Order Info
1040
1041 Part Number: **LSPH01-XX**
1042
1043
1044 **XX**: The default frequency band
1045
1046 * **AS923**: LoRaWAN AS923 band
1047 * **AU915**: LoRaWAN AU915 band
1048 * **EU433**: LoRaWAN EU433 band
1049 * **EU868**: LoRaWAN EU868 band
1050 * **KR920**: LoRaWAN KR920 band
1051 * **US915**: LoRaWAN US915 band
1052 * **IN865**: LoRaWAN IN865 band
1053 * **CN470**: LoRaWAN CN470 band
1054
1055 1. ​Packing Info
1056
1057 **Package Includes**:
1058
1059 * LSPH01 LoRaWAN Soil Ph Sensor x 1
1060
1061 **Dimension and weight**:
1062
1063 * Device Size: cm
1064 * Device Weight: g
1065 * Package Size / pcs : cm
1066 * Weight / pcs : g
1067
1068 = 10. ​Support =
1069
1070 * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1071 * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1072
1073 [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]

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