Version 27.3 by Xiaoling on 2022/06/07 15:37
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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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20
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
559
560 === 2.8.5 AS920-923 & AS923-925 (AS923) ===
561
562 (% style="color:blue" %)**Default Uplink channel:**
563
564 923.2 - SF7BW125 to SF10BW125
565
566 923.4 - SF7BW125 to SF10BW125
567
568
569 (% style="color:blue" %)**Additional Uplink Channel**:
570
571 (OTAA mode, channel added by JoinAccept message)
572
573
574 (% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
575
576 922.2 - SF7BW125 to SF10BW125
577
578 922.4 - SF7BW125 to SF10BW125
579
580 922.6 - SF7BW125 to SF10BW125
581
582 922.8 - SF7BW125 to SF10BW125
583
584 923.0 - SF7BW125 to SF10BW125
585
586 922.0 - SF7BW125 to SF10BW125
587
588
589 (% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
590
591 923.6 - SF7BW125 to SF10BW125
592
593 923.8 - SF7BW125 to SF10BW125
594
595 924.0 - SF7BW125 to SF10BW125
596
597 924.2 - SF7BW125 to SF10BW125
598
599 924.4 - SF7BW125 to SF10BW125
600
601 924.6 - SF7BW125 to SF10BW125
602
603
604 (% style="color:blue" %)**Downlink:**
605
606 Uplink channels 1-8 (RX1)
607
608 923.2 - SF10BW125 (RX2)
609
610
611
612 === 2.8.6 KR920-923 (KR920) ===
613
614 (% style="color:blue" %)**Default channel:**
615
616 922.1 - SF7BW125 to SF12BW125
617
618 922.3 - SF7BW125 to SF12BW125
619
620 922.5 - SF7BW125 to SF12BW125
621
622
623 (% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
624
625 922.1 - SF7BW125 to SF12BW125
626
627 922.3 - SF7BW125 to SF12BW125
628
629 922.5 - SF7BW125 to SF12BW125
630
631 922.7 - SF7BW125 to SF12BW125
632
633 922.9 - SF7BW125 to SF12BW125
634
635 923.1 - SF7BW125 to SF12BW125
636
637 923.3 - SF7BW125 to SF12BW125
638
639
640 (% style="color:blue" %)**Downlink:**
641
642 Uplink channels 1-7(RX1)
643
644 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
645
646
647 === 2.8.7 IN865-867 (IN865) ===
648
649 (% style="color:blue" %)**Uplink:**
650
651 865.0625 - SF7BW125 to SF12BW125
652
653 865.4025 - SF7BW125 to SF12BW125
654
655 865.9850 - SF7BW125 to SF12BW125
656
657
658 (% style="color:blue" %)**Downlink:**
659
660 Uplink channels 1-3 (RX1)
661
662 866.550 - SF10BW125 (RX2)
663
664
665
666 == 2.9 LED Indicator ==
667
668 The LSPH01 has an internal LED which is to show the status of different state.
669
670 * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
671 * Blink once when device transmit a packet.
672
673 == 2.10 ​Firmware Change Log ==
674
675
676 **Firmware download link:**
677
678 [[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/]]
679
680
681 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
682
683
684
685 = 3. Configure LSPH01 via AT Command or LoRaWAN Downlink =
686
687 Use can configure LSPH01 via AT Command or LoRaWAN Downlink.
688
689 * AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
690 * LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
691
692 There are two kinds of commands to configure LSPH01, they are:
693
694 * (% style="color:#4f81bd" %)** General Commands**.
695
696 These commands are to configure:
697
698 * General system settings like: uplink interval.
699 * LoRaWAN protocol & radio related command.
700
701 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]]
702
703
704 * (% style="color:#4f81bd" %)** Commands special design for LSPH01**
705
706 These commands only valid for LSPH01, as below:
707
708
709
710 == 3.1 Set Transmit Interval Time ==
711
712 Feature: Change LoRaWAN End Node Transmit Interval.
713
714 (% style="color:#037691" %)**AT Command: AT+TDC**
715
716
717 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:710px" %)
718 |(% style="width:154px" %)**Command Example**|(% style="width:223px" %)**Function**|(% style="width:330px" %)**Response**
719 |(% style="width:154px" %)AT+TDC=?|(% style="width:223px" %)Show current transmit Interval|(% style="width:330px" %)(((
720 30000
721
722 OK
723
724 the interval is 30000ms = 30s
725 )))
726 |(% style="width:154px" %)AT+TDC=60000|(% style="width:223px" %)Set Transmit Interval|(% style="width:330px" %)(((
727 OK
728
729 Set transmit interval to 60000ms = 60 seconds
730 )))
731
732 (% style="color:#037691" %)**Downlink Command: 0x01**
733
734 Format: Command Code (0x01) followed by 3 bytes time value.
735
736 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
737
738 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
739 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
740
741
742 == 3.2 Set Interrupt Mode ==
743
744 Feature, Set Interrupt mode for GPIO_EXIT.
745
746 (% style="color:#037691" %)**AT Command: AT+INTMOD**
747
748 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:709px" %)
749 |=(% style="width: 163px;" %)**Command Example**|=(% style="width: 304px;" %)**Function**|=(% style="width: 239px;" %)**Response**
750 |(% style="width:163px" %)AT+INTMOD=?|(% style="width:304px" %)Show current interrupt mode|(% style="width:239px" %)(((
751 0
752
753 OK
754
755 the mode is 0 = No interruption
756 )))
757 |(% style="width:163px" %)AT+INTMOD=2|(% style="width:304px" %)(((
758 Set Transmit Interval
759
760 1. (Disable Interrupt),
761 1. (Trigger by rising and falling edge),
762 1. (Trigger by falling edge)
763 1. (Trigger by rising edge)
764 )))|(% style="width:239px" %)OK
765
766 (% style="color:#037691" %)**Downlink Command: 0x06**
767
768 Format: Command Code (0x06) followed by 3 bytes.
769
770 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
771
772 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
773 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
774
775
776 == 3.3 Calibrate Sensor ==
777
778 Detail See [[Calibration Guide>>path:#Calibration]] for the user of 0x13 and 0x14 downlink commands
779
780
781
782 1.
783 11. Get Firmware Version Info
784
785 Feature: use downlink to get firmware version.
786
787
788 (% style="color:#037691" %)**Downlink Command: 0x26**
789
790
791 |**Downlink Control Type**|**FPort**|**Type Code**|**Downlink payload size(bytes)**
792 |Get Firmware Version Info|Any|26|2
793
794 * Reply to the confirmation package: 26 01
795 * Reply to non-confirmed packet: 26 00
796
797 Device will send an uplink after got this downlink command. With below payload:
798
799 Configures info payload:
800
801 |(((
802 **Size**
803
804 **(bytes)**
805 )))|**1**|**1**|**1**|**1**|**1**|**5**|**1**
806 |**Value**|Software Type|(((
807 Frequency
808
809 Band
810 )))|Sub-band|(((
811 Firmware
812
813 Version
814 )))|Sensor Type|Reserve|(((
815 [[Message>>path:#Message_Type]]
816
817 [[Type>>path:#Message_Type]]
818
819 Always 0x02
820 )))
821
822 **Software Type**: Always 0x03 for LSPH01
823
824
825 **Frequency Band**:
826
827 *0x01: EU868
828
829 *0x02: US915
830
831 *0x03: IN865
832
833 *0x04: AU915
834
835 *0x05: KZ865
836
837 *0x06: RU864
838
839 *0x07: AS923
840
841 *0x08: AS923-1
842
843 *0x09: AS923-2
844
845 *0xa0: AS923-3
846
847
848 **Sub-Band**: value 0x00 ~~ 0x08
849
850
851 **Firmware Version**: 0x0100, Means: v1.0.0 version
852
853
854 **Sensor Type**:
855
856 0x01: LSE01
857
858 0x02: LDDS75
859
860 0x03: LDDS20
861
862 0x04: LLMS01
863
864 0x05: LSPH01
865
866 0x06: LSNPK01
867
868 0x07: LDDS12
869
870
871
872
873
874
875 1. Battery & How to replace
876 11. Battery Type
877
878 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.
879
880
881 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
882
883 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
884
885
886 Minimum Working Voltage for the LSPH01:
887
888 LSPH01:  2.45v ~~ 3.6v
889
890
891 1.
892 11. Replace Battery
893
894 Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
895
896 And make sure the positive and negative pins match.
897
898
899
900 1.
901 11. Power Consumption Analyze
902
903 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.
904
905
906 Instruction to use as below:
907
908
909 Step 1: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
910
911 [[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/]]
912
913
914 Step 2: Open it and choose
915
916 * Product Model
917 * Uplink Interval
918 * Working Mode
919
920 And the Life expectation in difference case will be shown on the right.
921
922 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
923
924
925 The battery related documents as below:
926
927 * [[Battery Dimension>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
928 * [[Lithium-Thionyl Chloride Battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]] datasheet
929 * [[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]]
930
931 |(((
932 JST-XH-2P connector
933 )))
934
935 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
936
937
938
939 1.
940 11.
941 111. ​Battery Note
942
943 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.
944
945
946 1.
947 11.
948 111. ​Replace the battery
949
950 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.
951
952
953 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)
954
955
956
957
958
959
960 1. Use AT Command
961 11. Access AT Commands
962
963 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.
964
965 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
966
967 Connection:
968
969 USB TTL GND <~-~-~-~-> GND
970
971 USB TTL TXD <~-~-~-~-> UART_RXD
972
973 USB TTL RXD <~-~-~-~-> UART_TXD
974
975
976 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:
977
978
979 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
980
981 Valid AT Command please check [[Configure Device>>path:#Configure_Device]].
982
983
984
985
986 1. FAQ
987 11. How to change the LoRa Frequency Bands/Region
988
989 You can follow the instructions for [[how to upgrade image>>path:#3ygebqi]].
990 When downloading the images, choose the required image file for download. ​
991
992
993
994 1. Trouble Shooting
995 11. AT Commands input doesn’t work
996
997 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.
998
999
1000 1. Order Info
1001
1002 Part Number: **LSPH01-XX**
1003
1004
1005 **XX**: The default frequency band
1006
1007 * **AS923**: LoRaWAN AS923 band
1008 * **AU915**: LoRaWAN AU915 band
1009 * **EU433**: LoRaWAN EU433 band
1010 * **EU868**: LoRaWAN EU868 band
1011 * **KR920**: LoRaWAN KR920 band
1012 * **US915**: LoRaWAN US915 band
1013 * **IN865**: LoRaWAN IN865 band
1014 * **CN470**: LoRaWAN CN470 band
1015
1016 1. ​Packing Info
1017
1018 **Package Includes**:
1019
1020 * LSPH01 LoRaWAN Soil Ph Sensor x 1
1021
1022 **Dimension and weight**:
1023
1024 * Device Size: cm
1025 * Device Weight: g
1026 * Package Size / pcs : cm
1027 * Weight / pcs : g
1028
1029 = 10. ​Support =
1030
1031 * 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.
1032 * 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
1033
1034 [[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]]
1035
1036

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