Version 8.1 by Xiaoling on 2022/06/07 13:57
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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
127
128
129 You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
130
131
132 **Register the device**
133
134 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
135
136
137 **Add APP EUI and DEV EUI**
138
139
140 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
141
142
143 **Add APP EUI in the application**
144
145
146 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
147
148
149 **Add APP KEY**
150
151 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
152
153
154 **Step 2**: Power on LSPH01
155
156
157 Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
158
159
160
161 |(((
162
163 )))
164
165 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
166
167
168
169
170 **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.
171
172
173
174
175 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
176
177
178
179 1.
180 11. ​Uplink Payload
181
182 LSPH01 will uplink payload via LoRaWAN with below payload format: 
183
184
185 Uplink payload includes in total 11 bytes.
186
187
188 Normal uplink payload:
189
190 |(((
191 **Size**
192
193 **(bytes)**
194 )))|**2**|**2**|**2**|**2**|**1**|**1**|**1**
195 |**Value**|[[BAT>>path:#bat]]|(((
196 [[Temperature>>path:#DS18B20]]
197
198 [[( Optional )>>path:#DS18B20]]
199 )))|[[Soil pH>>path:#Soil_Nitrogen]]|[[Soil Temperature>>path:#Soil_Phosphorus]]|(((
200 [[Digital Interrupt>>path:#Int_pin]]
201
202 [[(Optional)>>path:#Int_pin]]
203 )))|Reserve|(((
204 [[Message>>path:#Message_Type]]
205
206 [[Type>>path:#Message_Type]]
207 )))
208
209 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
210
211
212
213 1.
214 11.
215 111. Battery Info
216
217 Check the battery voltage for LSPH01.
218
219 Ex1: 0x0B45 = 2885mV
220
221 Ex2: 0x0B49 = 2889mV
222
223
224 1.
225 11.
226 111. DS18B20 Temperature sensor
227
228 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.
229
230
231 **Example**:
232
233 If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
234
235 If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
236
237
238
239 1.
240 11.
241 111. Soil pH
242
243 Range: 0 ~~ 14 pH
244
245 Example:
246
247 **0x02B7(H) = 695(D) = 6.95pH**
248
249
250 1.
251 11.
252 111. Soil Temperature
253
254 Get Soil Temperature 
255
256
257 **Example**:
258
259 If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
260
261 If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
262
263
264
265 1.
266 11.
267 111. Interrupt Pin
268
269 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.
270
271
272 Example:
273
274 0x00: Normal uplink packet.
275
276 0x01: Interrupt Uplink Packet.
277
278
279 1.
280 11.
281 111. Message Type
282
283 For a normal uplink payload, the message type is always 0x01.
284
285 Valid Message Type:
286
287
288 |Message Type Code|Description|Payload
289 |0x01|Normal Uplink|[[Normal Uplink Payload>>path:#Normal_Uplink]]
290 |0x02|Reply configures info|[[Configure Info Payload>>path:#Configure_Info_Payload]]
291 |0x03|Reply Calibration Info|[[Calibration Payload>>path:#Calibration_Payload]]
292
293 1.
294 11.
295 111. ​Decode payload in The Things Network
296
297 While using TTN network, you can add the payload format to decode the payload.
298
299
300 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
301
302 The payload decoder function for TTN is here:
303
304 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/]]
305
306
307 1.
308 11. Uplink Interval
309
310 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:
311
312 [[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]]
313
314
315
316 1.
317 11. ​Show Data in DataCake IoT Server
318
319 [[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:
320
321
322 **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
323
324 **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:
325
326
327 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
328
329
330 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
331
332
333 Step 3: Create an account or log in Datacake.
334
335 Step 4: Create LSPH01 product.
336
337 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
338
339
340
341 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
342
343
344 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
345
346
347 Step 5: add payload decode
348
349 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/]]
350
351
352 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
353
354 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
355
356
357 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
358
359
360 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
361
362
363 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
364
365
366
367
368
369 1.
370 11. Installation and Maintain
371 111. Before measurement
372
373 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. 
374
375
376 1.
377 11.
378 111. Measurement
379
380 **Measurement the soil surface**
381
382
383 [[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.
384
385
386 Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
387
388
389 Slowly insert the probe to the measure point. Don’t use large force which will break the probe. Make sure not shake when inserting.
390
391
392 Put soil over the probe after insert. And start to measure.
393
394
395 **Measurement inside soil**
396
397
398
399 Dig a hole with diameter > 20CM.
400
401
402 Insert the probe inside, method like measure the surface.
403
404
405 1.
406 11.
407 111. Maintain Probe
408 1111. pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
409 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.
410 1111. Probe reference electrode is also no strong, need to avoid strong force or hitting.
411 1111. User should keep reference electrode wet while not use.
412 1111. Avoid the probes to touch oily matter. Which will cause issue in accuracy.
413 1111. The probe is IP68 can be put in water.
414
415 1.
416 11. Calibration
417
418 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).
419
420
421 **After stable, user can use below command to calibrate.**
422
423
424 |**pH buffer solution**|**AT Command to calibrate**|**Downlink Command**|**Read Cal Value**
425 |**4.00**|**AT+PHCAL=4**|(((
426 **0x13 04**
427
428 **Reply with Calibrate payload**
429 )))|(((
430 **AT+PHCAL=?**
431
432 **Example 41,61,91**
433 )))
434 |**6.86**|**AT+PHCAL=6**|(((
435 **0x13 06**
436
437 **Reply with Calibrate payload**
438 )))|**AT+PHCAL=?**
439 |**9.18**|**AT+PHCAL=9**|(((
440 **0x13 09**
441
442 **Reply with Calibrate payload**
443 )))|**AT+PHCAL=?**
444 |**Factory Default**|**AT+PHCAL=15**|(((
445 **0x13 15**
446
447 **Reply with Calibrate payload**
448 )))|(((
449 **AT+PHCAL=?**
450
451 **Example 151**
452 )))
453
454 Calibration Payload
455
456 |(((
457 **Size**
458
459 **(bytes)**
460 )))|**1**|**1**|**1**|**7**|**1**
461 |**Value**|(((
462 PH4
463
464 Calibrate value
465 )))|PH6.86 Calibrate value|(((
466 PH9.18
467
468 Calibrate value
469 )))|Reserve|(((
470 [[Message>>path:#Message_Type]]
471
472 [[Type>>path:#Message_Type]]
473
474 Always 0x03
475 )))
476
477 User can also send 0x14 downlink command to poll the current calibration payload.
478
479
480 |**Downlink Control Type**|**FPort**|**Type Code**|**Downlink payload size(bytes)**
481 |Get Calibration Version Info|Any|14|2
482
483 * Reply to the confirmation package: 14 01
484 * Reply to non-confirmed packet: 14 00
485
486 1.
487 11. Frequency Plans
488
489 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.
490
491 1.
492 11.
493 111. EU863-870 (EU868)
494
495 Uplink:
496
497 868.1 - SF7BW125 to SF12BW125
498
499 868.3 - SF7BW125 to SF12BW125 and SF7BW250
500
501 868.5 - SF7BW125 to SF12BW125
502
503 867.1 - SF7BW125 to SF12BW125
504
505 867.3 - SF7BW125 to SF12BW125
506
507 867.5 - SF7BW125 to SF12BW125
508
509 867.7 - SF7BW125 to SF12BW125
510
511 867.9 - SF7BW125 to SF12BW125
512
513 868.8 - FSK
514
515
516 Downlink:
517
518 Uplink channels 1-9 (RX1)
519
520 869.525 - SF9BW125 (RX2 downlink only)
521
522
523 1.
524 11.
525 111. US902-928(US915)
526
527 Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
528
529
530 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.
531
532
533 After Join success, the end node will switch to the correct sub band by:
534
535 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
536 * 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)
537
538 1.
539 11.
540 111. CN470-510 (CN470)
541
542 Used in China, Default use CHE=1
543
544 Uplink:
545
546 486.3 - SF7BW125 to SF12BW125
547
548 486.5 - SF7BW125 to SF12BW125
549
550 486.7 - SF7BW125 to SF12BW125
551
552 486.9 - SF7BW125 to SF12BW125
553
554 487.1 - SF7BW125 to SF12BW125
555
556 487.3 - SF7BW125 to SF12BW125
557
558 487.5 - SF7BW125 to SF12BW125
559
560 487.7 - SF7BW125 to SF12BW125
561
562
563 Downlink:
564
565 506.7 - SF7BW125 to SF12BW125
566
567 506.9 - SF7BW125 to SF12BW125
568
569 507.1 - SF7BW125 to SF12BW125
570
571 507.3 - SF7BW125 to SF12BW125
572
573 507.5 - SF7BW125 to SF12BW125
574
575 507.7 - SF7BW125 to SF12BW125
576
577 507.9 - SF7BW125 to SF12BW125
578
579 508.1 - SF7BW125 to SF12BW125
580
581 505.3 - SF12BW125 (RX2 downlink only)
582
583
584 1.
585 11.
586 111. AU915-928(AU915)
587
588 Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
589
590
591 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.
592
593
594 After Join success, the end node will switch to the correct sub band by:
595
596 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
597 * 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)
598
599 1.
600 11.
601 111. AS920-923 & AS923-925 (AS923)
602
603 **Default Uplink channel:**
604
605 923.2 - SF7BW125 to SF10BW125
606
607 923.4 - SF7BW125 to SF10BW125
608
609
610 **Additional Uplink Channel**:
611
612 (OTAA mode, channel added by JoinAccept message)
613
614 **AS920~~AS923 for Japan, Malaysia, Singapore**:
615
616 922.2 - SF7BW125 to SF10BW125
617
618 922.4 - SF7BW125 to SF10BW125
619
620 922.6 - SF7BW125 to SF10BW125
621
622 922.8 - SF7BW125 to SF10BW125
623
624 923.0 - SF7BW125 to SF10BW125
625
626 922.0 - SF7BW125 to SF10BW125
627
628
629 **AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
630
631 923.6 - SF7BW125 to SF10BW125
632
633 923.8 - SF7BW125 to SF10BW125
634
635 924.0 - SF7BW125 to SF10BW125
636
637 924.2 - SF7BW125 to SF10BW125
638
639 924.4 - SF7BW125 to SF10BW125
640
641 924.6 - SF7BW125 to SF10BW125
642
643
644
645 **Downlink:**
646
647 Uplink channels 1-8 (RX1)
648
649 923.2 - SF10BW125 (RX2)
650
651
652 1.
653 11.
654 111. KR920-923 (KR920)
655
656 Default channel:
657
658 922.1 - SF7BW125 to SF12BW125
659
660 922.3 - SF7BW125 to SF12BW125
661
662 922.5 - SF7BW125 to SF12BW125
663
664
665 Uplink: (OTAA mode, channel added by JoinAccept message)
666
667 922.1 - SF7BW125 to SF12BW125
668
669 922.3 - SF7BW125 to SF12BW125
670
671 922.5 - SF7BW125 to SF12BW125
672
673 922.7 - SF7BW125 to SF12BW125
674
675 922.9 - SF7BW125 to SF12BW125
676
677 923.1 - SF7BW125 to SF12BW125
678
679 923.3 - SF7BW125 to SF12BW125
680
681
682 Downlink:
683
684 Uplink channels 1-7(RX1)
685
686 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
687
688
689 1.
690 11.
691 111. IN865-867 (IN865)
692
693 Uplink:
694
695 865.0625 - SF7BW125 to SF12BW125
696
697 865.4025 - SF7BW125 to SF12BW125
698
699 865.9850 - SF7BW125 to SF12BW125
700
701
702 Downlink:
703
704 Uplink channels 1-3 (RX1)
705
706 866.550 - SF10BW125 (RX2)
707
708
709 1.
710 11. LED Indicator
711
712 The LSPH01 has an internal LED which is to show the status of different state.
713
714
715 * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
716 * Blink once when device transmit a packet.
717
718 1.
719 11. ​Firmware Change Log
720
721 **Firmware download link:**
722
723 [[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/]]
724
725
726 **Firmware Upgrade Method:**
727
728 [[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]]
729
730
731
732
733
734
735 1. Configure LSPH01 via AT Command or LoRaWAN Downlink
736
737 Use can configure LSPH01 via AT Command or LoRaWAN Downlink.
738
739 * AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
740 * LoRaWAN Downlink instruction for different platforms:
741
742 [[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]]
743
744
745 There are two kinds of commands to configure LSPH01, they are:
746
747 * **General Commands**.
748
749 These commands are to configure:
750
751 * General system settings like: uplink interval.
752 * LoRaWAN protocol & radio related command.
753
754 They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
755
756 [[http:~~/~~/wiki.dragino.com/index.pHp?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
757
758
759 * **Commands special design for LSPH01**
760
761 These commands only valid for LSPH01, as below:
762
763
764 1.
765 11. Set Transmit Interval Time
766
767 Feature: Change LoRaWAN End Node Transmit Interval.
768
769 **AT Command: AT+TDC**
770
771 |**Command Example**|**Function**|**Response**
772 |AT+TDC=?|Show current transmit Interval|(((
773 30000
774
775 OK
776
777 the interval is 30000ms = 30s
778 )))
779 |AT+TDC=60000|Set Transmit Interval|(((
780 OK
781
782 Set transmit interval to 60000ms = 60 seconds
783 )))
784
785 **Downlink Command: 0x01**
786
787 Format: Command Code (0x01) followed by 3 bytes time value.
788
789 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
790
791 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
792 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
793
794 1.
795 11. Set Interrupt Mode
796
797 Feature, Set Interrupt mode for GPIO_EXIT.
798
799 **AT Command: AT+INTMOD**
800
801 |**Command Example**|**Function**|**Response**
802 |AT+INTMOD=?|Show current interrupt mode|(((
803 0
804
805 OK
806
807 the mode is 0 = No interruption
808 )))
809 |AT+INTMOD=2|(((
810 Set Transmit Interval
811
812 1. (Disable Interrupt),
813 1. (Trigger by rising and falling edge),
814 1. (Trigger by falling edge)
815 1. (Trigger by rising edge)
816 )))|OK
817
818 **Downlink Command: 0x06**
819
820 Format: Command Code (0x06) followed by 3 bytes.
821
822 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
823
824 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
825 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
826
827 1.
828 11. Calibrate Sensor
829
830 Detail See [[Calibration Guide>>path:#Calibration]] for the user of 0x13 and 0x14 downlink commands
831
832
833
834 1.
835 11. Get Firmware Version Info
836
837 Feature: use downlink to get firmware version.
838
839
840 **Downlink Command: 0x26**
841
842
843 |**Downlink Control Type**|**FPort**|**Type Code**|**Downlink payload size(bytes)**
844 |Get Firmware Version Info|Any|26|2
845
846 * Reply to the confirmation package: 26 01
847 * Reply to non-confirmed packet: 26 00
848
849 Device will send an uplink after got this downlink command. With below payload:
850
851 Configures info payload:
852
853 |(((
854 **Size**
855
856 **(bytes)**
857 )))|**1**|**1**|**1**|**1**|**1**|**5**|**1**
858 |**Value**|Software Type|(((
859 Frequency
860
861 Band
862 )))|Sub-band|(((
863 Firmware
864
865 Version
866 )))|Sensor Type|Reserve|(((
867 [[Message>>path:#Message_Type]]
868
869 [[Type>>path:#Message_Type]]
870
871 Always 0x02
872 )))
873
874 **Software Type**: Always 0x03 for LSPH01
875
876
877 **Frequency Band**:
878
879 *0x01: EU868
880
881 *0x02: US915
882
883 *0x03: IN865
884
885 *0x04: AU915
886
887 *0x05: KZ865
888
889 *0x06: RU864
890
891 *0x07: AS923
892
893 *0x08: AS923-1
894
895 *0x09: AS923-2
896
897 *0xa0: AS923-3
898
899
900 **Sub-Band**: value 0x00 ~~ 0x08
901
902
903 **Firmware Version**: 0x0100, Means: v1.0.0 version
904
905
906 **Sensor Type**:
907
908 0x01: LSE01
909
910 0x02: LDDS75
911
912 0x03: LDDS20
913
914 0x04: LLMS01
915
916 0x05: LSPH01
917
918 0x06: LSNPK01
919
920 0x07: LDDS12
921
922
923
924
925
926
927 1. Battery & How to replace
928 11. Battery Type
929
930 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.
931
932
933 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
934
935 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
936
937
938 Minimum Working Voltage for the LSPH01:
939
940 LSPH01:  2.45v ~~ 3.6v
941
942
943 1.
944 11. Replace Battery
945
946 Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
947
948 And make sure the positive and negative pins match.
949
950
951
952 1.
953 11. Power Consumption Analyze
954
955 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.
956
957
958 Instruction to use as below:
959
960
961 Step 1: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
962
963 [[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/]]
964
965
966 Step 2: Open it and choose
967
968 * Product Model
969 * Uplink Interval
970 * Working Mode
971
972 And the Life expectation in difference case will be shown on the right.
973
974 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
975
976
977 The battery related documents as below:
978
979 * [[Battery Dimension>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
980 * [[Lithium-Thionyl Chloride Battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]] datasheet
981 * [[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]]
982
983 |(((
984 JST-XH-2P connector
985 )))
986
987 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
988
989
990
991 1.
992 11.
993 111. ​Battery Note
994
995 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.
996
997
998 1.
999 11.
1000 111. ​Replace the battery
1001
1002 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.
1003
1004
1005 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)
1006
1007
1008
1009
1010
1011
1012 1. Use AT Command
1013 11. Access AT Commands
1014
1015 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.
1016
1017 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
1018
1019 Connection:
1020
1021 USB TTL GND <~-~-~-~-> GND
1022
1023 USB TTL TXD <~-~-~-~-> UART_RXD
1024
1025 USB TTL RXD <~-~-~-~-> UART_TXD
1026
1027
1028 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:
1029
1030
1031 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1032
1033 Valid AT Command please check [[Configure Device>>path:#Configure_Device]].
1034
1035
1036
1037
1038 1. FAQ
1039 11. How to change the LoRa Frequency Bands/Region
1040
1041 You can follow the instructions for [[how to upgrade image>>path:#3ygebqi]].
1042 When downloading the images, choose the required image file for download. ​
1043
1044
1045
1046 1. Trouble Shooting
1047 11. AT Commands input doesn’t work
1048
1049 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.
1050
1051
1052 1. Order Info
1053
1054 Part Number: **LSPH01-XX**
1055
1056
1057 **XX**: The default frequency band
1058
1059 * **AS923**: LoRaWAN AS923 band
1060 * **AU915**: LoRaWAN AU915 band
1061 * **EU433**: LoRaWAN EU433 band
1062 * **EU868**: LoRaWAN EU868 band
1063 * **KR920**: LoRaWAN KR920 band
1064 * **US915**: LoRaWAN US915 band
1065 * **IN865**: LoRaWAN IN865 band
1066 * **CN470**: LoRaWAN CN470 band
1067
1068 1. ​Packing Info
1069
1070 **Package Includes**:
1071
1072 * LSPH01 LoRaWAN Soil Ph Sensor x 1
1073
1074 **Dimension and weight**:
1075
1076 * Device Size: cm
1077 * Device Weight: g
1078 * Package Size / pcs : cm
1079 * Weight / pcs : g
1080
1081 = 10. ​Support =
1082
1083 * 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.
1084 * 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
1085
1086 [[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]]
1087
1088

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