Version 27.2 by Xiaoling on 2022/06/07 15:33
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1 (% style="text-align:center" %)
2 [[image:1654574317295-380.png||height="621" width="576"]]
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6
7
8 **Contents:**
9
10 {{toc/}}
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21
22
23 = 1. Introduction =
24
25 == 1.1 ​What is LoRaWAN Soil pH Sensor ==
26
27 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.
28
29 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.
30
31 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.
32
33 LSPH01 is powered by (% style="color:#4f81bd" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
34
35 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.
36
37
38 [[image:1654580186518-415.png]]
39
40
41
42 == ​1.2 Features ==
43
44 * LoRaWAN 1.0.3 Class A
45 * Ultra-low power consumption
46 * Monitor soil pH with temperature compensation.
47 * Monitor soil temperature
48 * Monitor Battery Level
49 * Support pH calibration by end user
50 * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
51 * AT Commands to change parameters
52 * Uplink on periodically
53 * Downlink to change configure
54 * IP66 Waterproof Enclosure
55 * IP68 rate for the Sensor Probe
56 * 8500mAh Battery for long term use
57
58 == 1.3 Probe Specification ==
59
60
61 (% style="color:#4f81bd" %)**Soil pH:**
62
63 * Range: 3 ~~ 10 pH
64 * Resolution: 0.01 pH
65 * Accuracy: ±2% under (0~~50 ℃, Accuracy will poor under 0 due to frozen)
66 * Temperature Compensation Range: 0 ~~ 50℃
67 * IP68 Protection
68 * Length: 3.5 meters
69
70 (% style="color:#4f81bd" %)**Soil Temperature:**
71
72 * Range -40℃～85℃
73 * Resolution: 0.1℃
74 * Accuracy: <±0.5℃(-10℃～40℃)，<±0.8℃ (others)
75 * IP68 Protection
76 * Length: 3.5 meters
77
78 == 1.4 ​Applications ==
79
80 * Smart Agriculture
81
82 == 1.5 Pin mapping and power on ==
83
84 [[image:1654580482666-473.png]]
85
86
87
88 = 2. Configure LSPH01 to connect to LoRaWAN network =
89
90 == 2.1 How it works ==
91
92 (((
93 The LSPH01 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LSPH01. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
94 )))
95
96 (((
97 In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H5.200BUseATCommand"]]to set the keys in the LSPH01.
98 )))
99
100
101 == 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
102
103 (((
104 Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example.
105 )))
106
107 (((
108
109 )))
110
111 (((
112 The LG308 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
113 )))
114
115 (((
116 (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LSPH01.
117 )))
118
119 (((
120 Each LSPH01 is shipped with a sticker with the default device EUI as below:
121 )))
122
123
124 [[image:image-20220607135531-1.jpeg]]
125
126
127 You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
128
129
130 **Register the device**
131
132 [[image:1654581442672-605.png]]
133
134
135
136 **Add APP EUI and DEV EUI**
137
138 [[image:1654581465717-368.png]]
139
140
141
142 **Add APP EUI in the application**
143
144 [[image:1654581493871-516.png]]
145
146
147
148 **Add APP KEY**
149
150 [[image:1654581517630-991.png]]
151
152
153 (% style="color:blue" %)**Step 2**(%%): Power on LSPH01
154
155
156 Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
157
158 [[image:image-20220607135918-2.png]]
159
160
161 (% style="color:blue" %)**Step 3**(%%)**:** The LSPH01 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
162
163 [[image:1654581590132-631.png]]
164
165
166
167 == 2.3 ​Uplink Payload ==
168
169 LSPH01 will uplink payload via LoRaWAN with below payload format: 
170
171 Uplink payload includes in total 11 bytes.
172
173 Normal uplink payload:
174
175 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
176 |(((
177 **Size**
178
179 **(bytes)**
180 )))|**2**|**2**|**2**|**2**|**1**|**1**|**1**
181 |**Value**|[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(((
182 [[Temperature>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
183
184 [[(Optional)>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
185 )))|[[Soil pH>>||anchor="H2.3.3SoilpH"]]|[[Soil Temperature>>||anchor="H2.3.4SoilTemperature"]]|(((
186 [[Digital Interrupt (Optional)>>||anchor="H2.3.5InterruptPin"]]
187 )))|Reserve|(((
188 [[Message Type>>||anchor="H2.3.6MessageType"]]
189 )))
190
191 [[image:1654581735133-458.png]]
192
193
194
195 === 2.3.1 Battery Info ===
196
197
198 Check the battery voltage for LSPH01.
199
200 Ex1: 0x0B45 = 2885mV
201
202 Ex2: 0x0B49 = 2889mV
203
204
205
206 === 2.3.2 DS18B20 Temperature sensor ===
207
208 This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
209
210
211 **Example**:
212
213 If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
214
215 If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
216
217
218
219 === 2.3.3 Soil pH ===
220
221 Range: 0 ~~ 14 pH
222
223 **Example:**
224
225 (% style="color:#037691" %)** 0x02B7(H) = 695(D) = 6.95pH**
226
227
228
229 === 2.3.4 Soil Temperature ===
230
231 Get Soil Temperature 
232
233
234 **Example**:
235
236 If payload is: **0105H**:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
237
238 If payload is: **FF3FH** :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
239
240
241
242 === 2.3.5 Interrupt Pin ===
243
244 This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2SetInterruptMode"]] for the hardware and software set up.
245
246
247 **Example:**
248
249 0x00: Normal uplink packet.
250
251 0x01: Interrupt Uplink Packet.
252
253
254
255 === 2.3.6 Message Type ===
256
257 For a normal uplink payload, the message type is always 0x01.
258
259 Valid Message Type:
260
261
262 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
263 |**Message Type Code**|**Description**|**Payload**
264 |0x01|Normal Uplink|[[Normal Uplink Payload>>||anchor="H2.3Uplink Payload"]]
265 |0x02|Reply configures info|[[Configure Info Payload>>||anchor="H3.4GetFirmwareVersionInfo"]]
266 |0x03|Reply Calibration Info|[[Calibration Payload>>||anchor="H2.7Calibration"]]
267
268 === 2.3.7 Decode payload in The Things Network ===
269
270 While using TTN network, you can add the payload format to decode the payload.
271
272
273 [[image:1654582541848-906.png]]
274
275 (((
276 The payload decoder function for TTN is here:
277 )))
278
279 (((
280 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/]]
281 )))
282
283
284
285 == 2.4 Uplink Interval ==
286
287 The LSPH01 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
288
289
290
291 == 2.5 ​Show Data in DataCake IoT Server ==
292
293 [[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:
294
295
296 (% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
297
298 (% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
299
300
301 [[image:1654583683416-869.png]]
302
303
304 [[image:1654583694084-878.png]]
305
306
307 (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
308
309 (% style="color:blue" %)**Step 4**(%%)**: Create LSPH01 product.**
310
311 [[image:1654583711590-413.png]]
312
313
314
315 [[image:1654583732798-193.png]]
316
317
318 [[image:1654583749683-259.png]]
319
320
321 (% style="color:blue" %)**Step 5**(%%)**: add payload decode**
322
323 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/]]
324
325
326 [[image:1654583770974-935.png]]
327
328 [[image:1654583781517-146.png]]
329
330
331 [[image:1654583791351-557.png]]
332
333
334 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
335
336
337 [[image:1654583805491-713.png]]
338
339
340
341 == 2.6 Installation and Maintain ==
342
343 === 2.6.1 Before measurement ===
344
345 (((
346 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. 
347 )))
348
349
350
351 === 2.6.2 Measurement ===
352
353
354 (% style="color:#4f81bd" %)**Measurement the soil surface:**
355
356 [[image:1654584128046-287.png]]
357
358 Choose the proper measuring position. Split the surface soil according to the measured deep.
359
360 Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
361
362 Slowly insert the probe to the measure point. Don’t use large force which will break the probe. Make sure not shake when inserting.
363
364 Put soil over the probe after insert. And start to measure.
365
366
367 (% style="color:#4f81bd" %)**Measurement inside soil:**
368
369 Dig a hole with diameter > 20CM.
370
371 Insert the probe inside, method like measure the surface.
372
373
374
375 === 2.6.3 Maintain Probe ===
376
377 1. (((
378 pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
379 )))
380 1. (((
381 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.
382 )))
383 1. (((
384 Probe reference electrode is also no strong, need to avoid strong force or hitting.
385 )))
386 1. (((
387 User should keep reference electrode wet while not use.
388 )))
389 1. (((
390 Avoid the probes to touch oily matter. Which will cause issue in accuracy.
391 )))
392 1. (((
393 The probe is IP68 can be put in water.
394
395
396
397 )))
398
399 == 2.7 Calibration ==
400
401 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).
402
403 After stable, user can use below command to calibrate.
404
405 [[image:image-20220607144936-3.png]]
406
407
408 (% style="color:#037691" %)**Calibration Payload**
409
410 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
411 |(((
412 **Size**
413
414 **(bytes)**
415 )))|**1**|**1**|**1**|**7**|**1**
416 |**Value**|(((
417 PH4
418
419 Calibrate value
420 )))|PH6.86 Calibrate value|(((
421 PH9.18
422
423 Calibrate value
424 )))|Reserve|(((
425 [[Message Type>>||anchor="H2.3.6MessageType"]]
426
427 Always 0x03
428 )))
429
430 User can also send 0x14 downlink command to poll the current calibration payload.
431
432 [[image:image-20220607145603-4.png]]
433
434 * Reply to the confirmation package: 14 01
435 * Reply to non-confirmed packet: 14 00
436
437 == 2.8 Frequency Plans ==
438
439 (((
440 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.
441 )))
442
443
444 === 2.8.1 EU863-870 (EU868) ===
445
446 (% style="color:blue" %)**Uplink:**
447
448 868.1 - SF7BW125 to SF12BW125
449
450 868.3 - SF7BW125 to SF12BW125 and SF7BW250
451
452 868.5 - SF7BW125 to SF12BW125
453
454 867.1 - SF7BW125 to SF12BW125
455
456 867.3 - SF7BW125 to SF12BW125
457
458 867.5 - SF7BW125 to SF12BW125
459
460 867.7 - SF7BW125 to SF12BW125
461
462 867.9 - SF7BW125 to SF12BW125
463
464 868.8 - FSK
465
466
467 (% style="color:blue" %)**Downlink:**
468
469 Uplink channels 1-9 (RX1)
470
471 869.525 - SF9BW125 (RX2 downlink only)
472
473
474
475 === 2.8.2 US902-928(US915) ===
476
477 (((
478 Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
479 )))
480
481 (((
482 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.
483 )))
484
485 (((
486 After Join success, the end node will switch to the correct sub band by:
487 )))
488
489 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
490 * 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)
491
492 === 2.8.3 CN470-510 (CN470) ===
493
494 Used in China, Default use CHE=1
495
496 (% style="color:blue" %)**Uplink:**
497
498 486.3 - SF7BW125 to SF12BW125
499
500 486.5 - SF7BW125 to SF12BW125
501
502 486.7 - SF7BW125 to SF12BW125
503
504 486.9 - SF7BW125 to SF12BW125
505
506 487.1 - SF7BW125 to SF12BW125
507
508 487.3 - SF7BW125 to SF12BW125
509
510 487.5 - SF7BW125 to SF12BW125
511
512 487.7 - SF7BW125 to SF12BW125
513
514
515 (% style="color:blue" %)**Downlink:**
516
517 506.7 - SF7BW125 to SF12BW125
518
519 506.9 - SF7BW125 to SF12BW125
520
521 507.1 - SF7BW125 to SF12BW125
522
523 507.3 - SF7BW125 to SF12BW125
524
525 507.5 - SF7BW125 to SF12BW125
526
527 507.7 - SF7BW125 to SF12BW125
528
529 507.9 - SF7BW125 to SF12BW125
530
531 508.1 - SF7BW125 to SF12BW125
532
533 505.3 - SF12BW125 (RX2 downlink only)
534
535
536
537 === 2.8.4 AU915-928(AU915) ===
538
539 (((
540 Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
541 )))
542
543 (((
544 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.
545 )))
546
547 (((
548
549 )))
550
551 (((
552 After Join success, the end node will switch to the correct sub band by:
553 )))
554
555 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
556 * 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)
557
558 === 2.8.5 AS920-923 & AS923-925 (AS923) ===
559
560 (% style="color:blue" %)**Default Uplink channel:**
561
562 923.2 - SF7BW125 to SF10BW125
563
564 923.4 - SF7BW125 to SF10BW125
565
566
567 (% style="color:blue" %)**Additional Uplink Channel**:
568
569 (OTAA mode, channel added by JoinAccept message)
570
571
572 (% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
573
574 922.2 - SF7BW125 to SF10BW125
575
576 922.4 - SF7BW125 to SF10BW125
577
578 922.6 - SF7BW125 to SF10BW125
579
580 922.8 - SF7BW125 to SF10BW125
581
582 923.0 - SF7BW125 to SF10BW125
583
584 922.0 - SF7BW125 to SF10BW125
585
586
587 (% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
588
589 923.6 - SF7BW125 to SF10BW125
590
591 923.8 - SF7BW125 to SF10BW125
592
593 924.0 - SF7BW125 to SF10BW125
594
595 924.2 - SF7BW125 to SF10BW125
596
597 924.4 - SF7BW125 to SF10BW125
598
599 924.6 - SF7BW125 to SF10BW125
600
601
602 (% style="color:blue" %)**Downlink:**
603
604 Uplink channels 1-8 (RX1)
605
606 923.2 - SF10BW125 (RX2)
607
608
609
610 === 2.8.6 KR920-923 (KR920) ===
611
612 (% style="color:blue" %)**Default channel:**
613
614 922.1 - SF7BW125 to SF12BW125
615
616 922.3 - SF7BW125 to SF12BW125
617
618 922.5 - SF7BW125 to SF12BW125
619
620
621 (% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
622
623 922.1 - SF7BW125 to SF12BW125
624
625 922.3 - SF7BW125 to SF12BW125
626
627 922.5 - SF7BW125 to SF12BW125
628
629 922.7 - SF7BW125 to SF12BW125
630
631 922.9 - SF7BW125 to SF12BW125
632
633 923.1 - SF7BW125 to SF12BW125
634
635 923.3 - SF7BW125 to SF12BW125
636
637
638 (% style="color:blue" %)**Downlink:**
639
640 Uplink channels 1-7(RX1)
641
642 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
643
644
645 === 2.8.7 IN865-867 (IN865) ===
646
647 (% style="color:blue" %)**Uplink:**
648
649 865.0625 - SF7BW125 to SF12BW125
650
651 865.4025 - SF7BW125 to SF12BW125
652
653 865.9850 - SF7BW125 to SF12BW125
654
655
656 (% style="color:blue" %)**Downlink:**
657
658 Uplink channels 1-3 (RX1)
659
660 866.550 - SF10BW125 (RX2)
661
662
663
664 == 2.9 LED Indicator ==
665
666 The LSPH01 has an internal LED which is to show the status of different state.
667
668 * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
669 * Blink once when device transmit a packet.
670
671 == 2.10 ​Firmware Change Log ==
672
673
674 **Firmware download link:**
675
676 [[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/]]
677
678
679 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
680
681
682
683 = 3. Configure LSPH01 via AT Command or LoRaWAN Downlink =
684
685 Use can configure LSPH01 via AT Command or LoRaWAN Downlink.
686
687 * AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
688 * LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
689
690 There are two kinds of commands to configure LSPH01, they are:
691
692 * (% style="color:#4f81bd" %)** General Commands**.
693
694 These commands are to configure:
695
696 * General system settings like: uplink interval.
697 * LoRaWAN protocol & radio related command.
698
699 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>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
700
701
702 * (% style="color:#4f81bd" %)** Commands special design for LSPH01**
703
704 These commands only valid for LSPH01, as below:
705
706
707
708 == 3.1 Set Transmit Interval Time ==
709
710 Feature: Change LoRaWAN End Node Transmit Interval.
711
712 (% style="color:#037691" %)**AT Command: AT+TDC**
713
714
715 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:710px" %)
716 |(% style="width:154px" %)**Command Example**|(% style="width:223px" %)**Function**|(% style="width:330px" %)**Response**
717 |(% style="width:154px" %)AT+TDC=?|(% style="width:223px" %)Show current transmit Interval|(% style="width:330px" %)(((
718 30000
719
720 OK
721
722 the interval is 30000ms = 30s
723 )))
724 |(% style="width:154px" %)AT+TDC=60000|(% style="width:223px" %)Set Transmit Interval|(% style="width:330px" %)(((
725 OK
726
727 Set transmit interval to 60000ms = 60 seconds
728 )))
729
730 (% style="color:#037691" %)**Downlink Command: 0x01**
731
732 Format: Command Code (0x01) followed by 3 bytes time value.
733
734 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
735
736 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
737 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
738
739 1.
740 11. Set Interrupt Mode
741
742 Feature, Set Interrupt mode for GPIO_EXIT.
743
744 **AT Command: AT+INTMOD**
745
746 |**Command Example**|**Function**|**Response**
747 |AT+INTMOD=?|Show current interrupt mode|(((
748 0
749
750 OK
751
752 the mode is 0 = No interruption
753 )))
754 |AT+INTMOD=2|(((
755 Set Transmit Interval
756
757 1. (Disable Interrupt),
758 1. (Trigger by rising and falling edge),
759 1. (Trigger by falling edge)
760 1. (Trigger by rising edge)
761 )))|OK
762
763 **Downlink Command: 0x06**
764
765 Format: Command Code (0x06) followed by 3 bytes.
766
767 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
768
769 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
770 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
771
772 1.
773 11. Calibrate Sensor
774
775 Detail See [[Calibration Guide>>path:#Calibration]] for the user of 0x13 and 0x14 downlink commands
776
777
778
779 1.
780 11. Get Firmware Version Info
781
782 Feature: use downlink to get firmware version.
783
784
785 **Downlink Command: 0x26**
786
787
788 |**Downlink Control Type**|**FPort**|**Type Code**|**Downlink payload size(bytes)**
789 |Get Firmware Version Info|Any|26|2
790
791 * Reply to the confirmation package: 26 01
792 * Reply to non-confirmed packet: 26 00
793
794 Device will send an uplink after got this downlink command. With below payload:
795
796 Configures info payload:
797
798 |(((
799 **Size**
800
801 **(bytes)**
802 )))|**1**|**1**|**1**|**1**|**1**|**5**|**1**
803 |**Value**|Software Type|(((
804 Frequency
805
806 Band
807 )))|Sub-band|(((
808 Firmware
809
810 Version
811 )))|Sensor Type|Reserve|(((
812 [[Message>>path:#Message_Type]]
813
814 [[Type>>path:#Message_Type]]
815
816 Always 0x02
817 )))
818
819 **Software Type**: Always 0x03 for LSPH01
820
821
822 **Frequency Band**:
823
824 *0x01: EU868
825
826 *0x02: US915
827
828 *0x03: IN865
829
830 *0x04: AU915
831
832 *0x05: KZ865
833
834 *0x06: RU864
835
836 *0x07: AS923
837
838 *0x08: AS923-1
839
840 *0x09: AS923-2
841
842 *0xa0: AS923-3
843
844
845 **Sub-Band**: value 0x00 ~~ 0x08
846
847
848 **Firmware Version**: 0x0100, Means: v1.0.0 version
849
850
851 **Sensor Type**:
852
853 0x01: LSE01
854
855 0x02: LDDS75
856
857 0x03: LDDS20
858
859 0x04: LLMS01
860
861 0x05: LSPH01
862
863 0x06: LSNPK01
864
865 0x07: LDDS12
866
867
868
869
870
871
872 1. Battery & How to replace
873 11. Battery Type
874
875 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.
876
877
878 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
879
880 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
881
882
883 Minimum Working Voltage for the LSPH01:
884
885 LSPH01:  2.45v ~~ 3.6v
886
887
888 1.
889 11. Replace Battery
890
891 Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
892
893 And make sure the positive and negative pins match.
894
895
896
897 1.
898 11. Power Consumption Analyze
899
900 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.
901
902
903 Instruction to use as below:
904
905
906 Step 1: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
907
908 [[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/]]
909
910
911 Step 2: Open it and choose
912
913 * Product Model
914 * Uplink Interval
915 * Working Mode
916
917 And the Life expectation in difference case will be shown on the right.
918
919 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
920
921
922 The battery related documents as below:
923
924 * [[Battery Dimension>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
925 * [[Lithium-Thionyl Chloride Battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]] datasheet
926 * [[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]]
927
928 |(((
929 JST-XH-2P connector
930 )))
931
932 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
933
934
935
936 1.
937 11.
938 111. ​Battery Note
939
940 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.
941
942
943 1.
944 11.
945 111. ​Replace the battery
946
947 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.
948
949
950 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)
951
952
953
954
955
956
957 1. Use AT Command
958 11. Access AT Commands
959
960 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.
961
962 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
963
964 Connection:
965
966 USB TTL GND <~-~-~-~-> GND
967
968 USB TTL TXD <~-~-~-~-> UART_RXD
969
970 USB TTL RXD <~-~-~-~-> UART_TXD
971
972
973 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:
974
975
976 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
977
978 Valid AT Command please check [[Configure Device>>path:#Configure_Device]].
979
980
981
982
983 1. FAQ
984 11. How to change the LoRa Frequency Bands/Region
985
986 You can follow the instructions for [[how to upgrade image>>path:#3ygebqi]].
987 When downloading the images, choose the required image file for download. ​
988
989
990
991 1. Trouble Shooting
992 11. AT Commands input doesn’t work
993
994 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.
995
996
997 1. Order Info
998
999 Part Number: **LSPH01-XX**
1000
1001
1002 **XX**: The default frequency band
1003
1004 * **AS923**: LoRaWAN AS923 band
1005 * **AU915**: LoRaWAN AU915 band
1006 * **EU433**: LoRaWAN EU433 band
1007 * **EU868**: LoRaWAN EU868 band
1008 * **KR920**: LoRaWAN KR920 band
1009 * **US915**: LoRaWAN US915 band
1010 * **IN865**: LoRaWAN IN865 band
1011 * **CN470**: LoRaWAN CN470 band
1012
1013 1. ​Packing Info
1014
1015 **Package Includes**:
1016
1017 * LSPH01 LoRaWAN Soil Ph Sensor x 1
1018
1019 **Dimension and weight**:
1020
1021 * Device Size: cm
1022 * Device Weight: g
1023 * Package Size / pcs : cm
1024 * Weight / pcs : g
1025
1026 = 10. ​Support =
1027
1028 * 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.
1029 * 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
1030
1031 [[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]]
1032
1033

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