Wiki source code of LSPH01-LoRaWAN Soil pH Sensor User Manual

Version 95.2 by Xiaoling on 2022/06/25 17:17

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2.2	1	(% style="text-align:center" %)
38.2	2	[[image:1654592399090-860.png\|\|height="521" width="483"]]
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86.4	12	Table of Contents:
1.1	13
92.1	14	{{toc/}}
1.1	15
92.1	16
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	24
3.2	25	= 1. Introduction =
2.2	26
3.2	27	== 1.1 What is LoRaWAN Soil pH Sensor ==
2.2	28
73.13	29	(((
86.4	30
	31
3.2	32	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.
73.13	33	)))
2.2	34
73.13	35	(((
3.2	36	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.
73.13	37	)))
2.2	38
73.13	39	(((
2.2	40	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.
73.13	41	)))
2.2	42
73.13	43	(((
3.2	44	LSPH01 is powered by (% style="color:#4f81bd" %)8500mAh Li-SOCI2 battery(%%), it is designed for long term use up to 5 years.
73.13	45	)))
2.2	46
73.13	47	(((
3.2	48	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.
73.13	49	)))
2.2	50
	51
38.2	52	[[image:1654592435432-887.png]]
2.2	53
	54
	55
85.5	56
3.2	57	== 1.2 Features ==
	58
2.2	59	* LoRaWAN 1.0.3 Class A
	60	* Ultra-low power consumption
	61	* Monitor soil pH with temperature compensation.
	62	* Monitor soil temperature
	63	* Monitor Battery Level
	64	* Support pH calibration by end user
	65	* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
	66	* AT Commands to change parameters
	67	* Uplink on periodically
	68	* Downlink to change configure
	69	* IP66 Waterproof Enclosure
	70	* IP68 rate for the Sensor Probe
	71	* 8500mAh Battery for long term use
	72
3.3	73	== 1.3 Probe Specification ==
2.2	74
	75
3.3	76	(% style="color:#4f81bd" %)Soil pH:
	77
	78	* Range: 3 ~~ 10 pH
	79	* Resolution: 0.01 pH
	80	* Accuracy: ±2% under (0~~50 ℃, Accuracy will poor under 0 due to frozen)
	81	* Temperature Compensation Range: 0 ~~ 50℃
2.2	82	* IP68 Protection
	83	* Length: 3.5 meters
	84
3.3	85	(% style="color:#4f81bd" %)Soil Temperature:
2.2	86
3.3	87	* Range -40℃～85℃
	88	* Resolution: 0.1℃
	89	* Accuracy: <±0.5℃(-10℃～40℃)，<±0.8℃ (others)
2.2	90	* IP68 Protection
	91	* Length: 3.5 meters
	92
3.3	93	== 1.4 Applications ==
	94
2.2	95	* Smart Agriculture
	96
3.3	97	== 1.5 Pin mapping and power on ==
	98
39.2	99	[[image:1654592472094-134.png]]
2.2	100
	101
	102
5.2	103	= 2. Configure LSPH01 to connect to LoRaWAN network =
2.2	104
5.5	105	== 2.1 How it works ==
2.2	106
5.3	107	(((
2.2	108	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.
5.3	109	)))
2.2	110
5.3	111	(((
85.3	112	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.UseATCommand"]]to set the keys in the LSPH01.
5.3	113	)))
2.2	114
	115
5.3	116	== 2.2 Quick guide to connect to LoRaWAN server (OTAA) ==
2.2	117
6.3	118	(((
2.2	119	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.
6.3	120	)))
2.2	121
6.3	122	(((
41.3	123	[[image:1654592492399-921.png]]
86.7	124
	125
6.3	126	)))
2.2	127
6.3	128	(((
2.2	129	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.
86.7	130
	131
6.3	132	)))
2.2	133
6.3	134	(((
23.5	135	(% style="color:blue" %)Step 1(%%): Create a device in TTN with the OTAA keys from LSPH01.
6.3	136	)))
2.2	137
6.3	138	(((
2.2	139	Each LSPH01 is shipped with a sticker with the default device EUI as below:
6.3	140	)))
2.2	141
41.3	142	[[image:image-20220607170145-1.jpeg]]
2.2	143
	144
	145
	146	You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
	147
	148
	149	Register the device
	150
	151
43.2	152	[[image:1654592600093-601.png]]
2.2	153
9.2	154
86.8	155
2.2	156	Add APP EUI and DEV EUI
	157
43.2	158	[[image:1654592619856-881.png]]
2.2	159
	160
86.8	161
2.2	162	Add APP EUI in the application
	163
44.2	164	[[image:1654592632656-512.png]]
2.2	165
	166
10.2	167
2.2	168	Add APP KEY
	169
45.2	170	[[image:1654592653453-934.png]]
2.2	171
	172
23.5	173	(% style="color:blue" %)Step 2(%%): Power on LSPH01
2.2	174
	175
	176	Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
	177
46.2	178	[[image:image-20220607170442-2.png]]
2.2	179
	180
73.14	181	(((
23.5	182	(% 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.
73.14	183	)))
2.2	184
48.2	185	[[image:1654592697690-910.png]]
2.2	186
	187
	188
13.2	189	== 2.3 Uplink Payload ==
2.2	190
73.14	191	(((
3.2	192	LSPH01 will uplink payload via LoRaWAN with below payload format:
73.14	193	)))
2.2	194
73.14	195	(((
2.2	196	Uplink payload includes in total 11 bytes.
73.14	197	)))
2.2	198
73.14	199	(((
2.2	200	Normal uplink payload:
73.14	201	)))
2.2	202
13.2	203	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
85.8	204	\|=(% style="width: 62.5px;" %)(((
	205	Size (bytes)
	206	)))\|=(% style="width: 62.5px;" %)2\|=(% style="width: 62.5px;" %)2\|=2\|=2\|=1\|=1\|=1
	207	\|(% style="width:62.5px" %)Value\|(% style="width:62.5px" %)[[BAT>>\|\|anchor="H2.3.1BatteryInfo"]]\|(% style="width:62.5px" %)(((
85.3	208	[[Temperature>>\|\|anchor="H2.3.2DS18B20Temperaturesensor"]]
2.2	209
85.3	210	[[(Optional)>>\|\|anchor="H2.3.2DS18B20Temperaturesensor"]]
	211	)))\|[[Soil pH>>\|\|anchor="H2.3.3SoilpH"]]\|[[Soil Temperature>>\|\|anchor="H2.3.4SoilTemperature"]]\|(((
	212	[[Digital Interrupt (Optional)>>\|\|anchor="H2.3.5InterruptPin"]]
2.2	213	)))\|Reserve\|(((
85.3	214	[[Message Type>>\|\|anchor="H2.3.6MessageType"]]
2.2	215	)))
	216
48.2	217	[[image:1654592721645-318.png]]
2.2	218
	219
	220
13.2	221	=== 2.3.1 Battery Info ===
2.2	222
13.2	223
2.2	224	Check the battery voltage for LSPH01.
	225
	226	Ex1: 0x0B45 = 2885mV
	227
	228	Ex2: 0x0B49 = 2889mV
	229
	230
	231
13.2	232	=== 2.3.2 DS18B20 Temperature sensor ===
2.2	233
13.2	234	This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
2.2	235
13.2	236
2.2	237	Example:
	238
	239	If payload is: 0105H: (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
	240
	241	If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
	242
	243
	244
13.3	245	=== 2.3.3 Soil pH ===
2.2	246
	247	Range: 0 ~~ 14 pH
	248
13.3	249	Example:
2.2	250
13.3	251	(% style="color:#037691" %) 0x02B7(H) = 695(D) = 6.95pH
2.2	252
	253
	254
13.3	255	=== 2.3.4 Soil Temperature ===
	256
2.2	257	Get Soil Temperature
	258
	259
	260	Example:
	261
13.3	262	If payload is: 0105H: (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
2.2	263
13.3	264	If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
2.2	265
	266
	267
13.3	268	=== 2.3.5 Interrupt Pin ===
2.2	269
85.3	270	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.
2.2	271
	272
13.3	273	Example:
2.2	274
	275	0x00: Normal uplink packet.
	276
	277	0x01: Interrupt Uplink Packet.
	278
	279
	280
13.3	281	=== 2.3.6 Message Type ===
	282
73.15	283	(((
2.2	284	For a normal uplink payload, the message type is always 0x01.
73.15	285	)))
2.2	286
73.15	287	(((
2.2	288	Valid Message Type:
73.15	289	)))
2.2	290
	291
85.8	292	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:499px" %)
	293	\|=(% style="width: 160px;" %)Message Type Code\|=(% style="width: 163px;" %)Description\|=(% style="width: 173px;" %)Payload
	294	\|(% style="width:160px" %)0x01\|(% style="width:163px" %)Normal Uplink\|(% style="width:173px" %)[[Normal Uplink Payload>>\|\|anchor="H2.3200BUplinkPayload"]]
	295	\|(% style="width:160px" %)0x02\|(% style="width:163px" %)Reply configures info\|(% style="width:173px" %)[[Configure Info Payload>>\|\|anchor="H3.4GetFirmwareVersionInfo"]]
	296	\|(% style="width:160px" %)0x03\|(% style="width:163px" %)Reply Calibration Info\|(% style="width:173px" %)[[Calibration Payload>>\|\|anchor="H2.7Calibration"]]
2.2	297
13.6	298	=== 2.3.7 Decode payload in The Things Network ===
	299
2.2	300	While using TTN network, you can add the payload format to decode the payload.
	301
	302
49.2	303	[[image:1654592762713-715.png]]
2.2	304
14.2	305	(((
2.2	306	The payload decoder function for TTN is here:
14.2	307	)))
2.2	308
14.2	309	(((
2.2	310	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/]]
14.2	311	)))
2.2	312
	313
	314
14.3	315	== 2.4 Uplink Interval ==
	316
85.19	317	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"]]
2.2	318
	319
	320
16.2	321	== 2.5 Show Data in DataCake IoT Server ==
2.2	322
74.2	323	(((
2.2	324	[[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:
74.2	325	)))
2.2	326
74.2	327	(((
	328
	329	)))
2.2	330
74.2	331	(((
23.5	332	(% style="color:blue" %)Step 1(%%): Be sure that your device is programmed and properly connected to the network at this time.
74.2	333	)))
2.2	334
74.2	335	(((
23.5	336	(% 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:
74.2	337	)))
2.2	338
	339
50.2	340	[[image:1654592790040-760.png]]
2.2	341
	342
51.3	343	[[image:1654592800389-571.png]]
2.2	344
	345
23.5	346	(% style="color:blue" %)Step 3(%%): Create an account or log in Datacake.
2.2	347
23.5	348	(% style="color:blue" %)Step 4(%%): Create LSPH01 product.
2.2	349
53.2	350	[[image:1654592819047-535.png]]
2.2	351
	352
	353
53.2	354	[[image:1654592833877-762.png]]
2.2	355
	356
54.2	357	[[image:1654592856403-259.png]]
2.2	358
	359
74.3	360	(((
23.5	361	(% style="color:blue" %)Step 5(%%): add payload decode
74.3	362	)))
2.2	363
74.3	364	(((
2.2	365	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/]]
74.3	366	)))
2.2	367
	368
55.2	369	[[image:1654592878525-845.png]]
2.2	370
56.2	371	[[image:1654592892967-474.png]]
2.2	372
	373
57.2	374	[[image:1654592905354-123.png]]
2.2	375
	376
	377	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
	378
	379
59.2	380	[[image:1654592917530-261.png]]
2.2	381
	382
	383
24.2	384	== 2.6 Installation and Maintain ==
2.2	385
24.2	386	=== 2.6.1 Before measurement ===
	387
	388	(((
74.4	389	(((
3.2	390	If the LSPH01 has more than 7 days not use or just clean the pH probe. User should put the probe inside pure water for more than 24 hours for activation. If no put in water, user need to put inside soil for more than 24 hours to ensure the measurement accuracy.
24.2	391	)))
74.4	392	)))
2.2	393
	394
	395
24.2	396	=== 2.6.2 Measurement ===
2.2	397
	398
74.4	399	(((
24.2	400	(% style="color:#4f81bd" %)Measurement the soil surface:
74.4	401	)))
2.2	402
74.4	403	(((
59.2	404	[[image:1654592946732-634.png]]
74.4	405	)))
2.2	406
74.4	407	(((
24.2	408	Choose the proper measuring position. Split the surface soil according to the measured deep.
74.4	409	)))
24.2	410
74.4	411	(((
2.2	412	Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
74.4	413	)))
2.2	414
74.4	415	(((
2.2	416	Slowly insert the probe to the measure point. Don’t use large force which will break the probe. Make sure not shake when inserting.
74.4	417	)))
2.2	418
74.4	419	(((
2.2	420	Put soil over the probe after insert. And start to measure.
74.4	421	)))
2.2	422
74.4	423	(((
	424
	425	)))
2.2	426
74.4	427	(((
24.2	428	(% style="color:#4f81bd" %)Measurement inside soil:
74.4	429	)))
2.2	430
74.4	431	(((
24.2	432	Dig a hole with diameter > 20CM.
74.4	433	)))
2.2	434
74.4	435	(((
24.2	436	Insert the probe inside, method like measure the surface.
74.4	437	)))
2.2	438
	439
	440
24.2	441	=== 2.6.3 Maintain Probe ===
2.2	442
24.2	443	1. (((
	444	pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
	445	)))
	446	1. (((
	447	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.
	448	)))
	449	1. (((
	450	Probe reference electrode is also no strong, need to avoid strong force or hitting.
	451	)))
	452	1. (((
	453	User should keep reference electrode wet while not use.
	454	)))
	455	1. (((
	456	Avoid the probes to touch oily matter. Which will cause issue in accuracy.
	457	)))
	458	1. (((
	459	The probe is IP68 can be put in water.
2.2	460
	461
25.2	462
	463	)))
2.2	464
24.3	465	== 2.7 Calibration ==
24.2	466
74.5	467	(((
2.2	468	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).
74.5	469	)))
2.2	470
74.5	471	(((
26.2	472	After stable, user can use below command to calibrate.
74.5	473	)))
2.2	474
61.2	475	[[image:image-20220607171149-4.png]]
2.2	476
	477
25.2	478	(% style="color:#037691" %)Calibration Payload
2.2	479
74.6	480	(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
85.12	481	\|=(% style="width: 62.5px;" %)(((
	482	Size (bytes)
	483	)))\|=(% style="width: 89px;" %)1\|=(% style="width: 89px;" %)1\|=(% style="width: 89px;" %)1\|=(% style="width: 89px;" %)7\|=(% style="width: 89px;" %)1
2.2	484	\|Value\|(((
	485	PH4
	486
	487	Calibrate value
	488	)))\|PH6.86 Calibrate value\|(((
	489	PH9.18
	490
	491	Calibrate value
	492	)))\|Reserve\|(((
85.3	493	[[Message Type>>\|\|anchor="H2.3.6MessageType"]]
25.3	494
	495	Always 0x03
2.2	496	)))
	497
	498	User can also send 0x14 downlink command to poll the current calibration payload.
	499
64.2	500	[[image:image-20220607171416-7.jpeg]]
2.2	501
64.2	502
2.2	503	* Reply to the confirmation package: 14 01
	504	* Reply to non-confirmed packet: 14 00
	505
92.2	506
26.5	507	== 2.8 Frequency Plans ==
26.2	508
26.6	509	(((
2.2	510	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.
26.6	511	)))
2.2	512
	513
26.5	514	=== 2.8.1 EU863-870 (EU868) ===
2.2	515
74.10	516	(((
26.5	517	(% style="color:blue" %)Uplink:
74.10	518	)))
26.5	519
74.10	520	(((
2.2	521	868.1 - SF7BW125 to SF12BW125
74.10	522	)))
2.2	523
74.10	524	(((
2.2	525	868.3 - SF7BW125 to SF12BW125 and SF7BW250
74.10	526	)))
2.2	527
74.10	528	(((
2.2	529	868.5 - SF7BW125 to SF12BW125
74.10	530	)))
2.2	531
74.10	532	(((
2.2	533	867.1 - SF7BW125 to SF12BW125
74.10	534	)))
2.2	535
74.10	536	(((
2.2	537	867.3 - SF7BW125 to SF12BW125
74.10	538	)))
2.2	539
74.10	540	(((
2.2	541	867.5 - SF7BW125 to SF12BW125
74.10	542	)))
2.2	543
74.10	544	(((
2.2	545	867.7 - SF7BW125 to SF12BW125
74.10	546	)))
2.2	547
74.10	548	(((
2.2	549	867.9 - SF7BW125 to SF12BW125
74.10	550	)))
2.2	551
74.10	552	(((
2.2	553	868.8 - FSK
74.10	554	)))
2.2	555
74.10	556	(((
	557
	558	)))
2.2	559
74.10	560	(((
26.5	561	(% style="color:blue" %)Downlink:
74.10	562	)))
2.2	563
74.10	564	(((
2.2	565	Uplink channels 1-9 (RX1)
74.10	566	)))
2.2	567
74.10	568	(((
2.2	569	869.525 - SF9BW125 (RX2 downlink only)
74.10	570	)))
2.2	571
	572
	573
26.5	574	=== 2.8.2 US902-928(US915) ===
	575
	576	(((
2.2	577	Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
26.5	578	)))
2.2	579
26.5	580	(((
2.2	581	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.
26.5	582	)))
2.2	583
26.5	584	(((
2.2	585	After Join success, the end node will switch to the correct sub band by:
26.5	586	)))
2.2	587
	588	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
	589	* 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)
	590
87.4	591
95.1	592
	593
	594
	595
26.5	596	=== 2.8.3 CN470-510 (CN470) ===
	597
74.11	598	(((
2.2	599	Used in China, Default use CHE=1
74.11	600	)))
2.2	601
74.11	602	(((
26.5	603	(% style="color:blue" %)Uplink:
74.11	604	)))
2.2	605
74.11	606	(((
2.2	607	486.3 - SF7BW125 to SF12BW125
74.11	608	)))
2.2	609
74.11	610	(((
2.2	611	486.5 - SF7BW125 to SF12BW125
74.11	612	)))
2.2	613
74.11	614	(((
2.2	615	486.7 - SF7BW125 to SF12BW125
74.11	616	)))
2.2	617
74.11	618	(((
2.2	619	486.9 - SF7BW125 to SF12BW125
74.11	620	)))
2.2	621
74.11	622	(((
2.2	623	487.1 - SF7BW125 to SF12BW125
74.11	624	)))
2.2	625
74.11	626	(((
2.2	627	487.3 - SF7BW125 to SF12BW125
74.11	628	)))
2.2	629
74.11	630	(((
2.2	631	487.5 - SF7BW125 to SF12BW125
74.11	632	)))
2.2	633
74.11	634	(((
2.2	635	487.7 - SF7BW125 to SF12BW125
74.11	636	)))
2.2	637
74.11	638	(((
	639
	640	)))
2.2	641
74.11	642	(((
26.5	643	(% style="color:blue" %)Downlink:
74.11	644	)))
2.2	645
74.11	646	(((
2.2	647	506.7 - SF7BW125 to SF12BW125
74.11	648	)))
2.2	649
74.11	650	(((
2.2	651	506.9 - SF7BW125 to SF12BW125
74.11	652	)))
2.2	653
74.11	654	(((
2.2	655	507.1 - SF7BW125 to SF12BW125
74.11	656	)))
2.2	657
74.11	658	(((
2.2	659	507.3 - SF7BW125 to SF12BW125
74.11	660	)))
2.2	661
74.11	662	(((
2.2	663	507.5 - SF7BW125 to SF12BW125
74.11	664	)))
2.2	665
74.11	666	(((
2.2	667	507.7 - SF7BW125 to SF12BW125
74.11	668	)))
2.2	669
74.11	670	(((
2.2	671	507.9 - SF7BW125 to SF12BW125
74.11	672	)))
2.2	673
74.11	674	(((
2.2	675	508.1 - SF7BW125 to SF12BW125
74.11	676	)))
2.2	677
74.11	678	(((
2.2	679	505.3 - SF12BW125 (RX2 downlink only)
74.11	680	)))
2.2	681
	682
	683
26.5	684	=== 2.8.4 AU915-928(AU915) ===
	685
	686	(((
2.2	687	Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
26.5	688	)))
2.2	689
26.5	690	(((
2.2	691	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.
26.5	692	)))
2.2	693
26.5	694	(((
	695
	696	)))
2.2	697
26.5	698	(((
2.2	699	After Join success, the end node will switch to the correct sub band by:
26.5	700	)))
2.2	701
	702	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
	703	* 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)
	704
90.6	705
95.1	706
	707
	708
	709
26.5	710	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
	711
74.9	712	(((
26.7	713	(% style="color:blue" %)Default Uplink channel:
74.9	714	)))
2.2	715
74.9	716	(((
2.2	717	923.2 - SF7BW125 to SF10BW125
74.9	718	)))
2.2	719
74.9	720	(((
2.2	721	923.4 - SF7BW125 to SF10BW125
74.9	722	)))
2.2	723
74.9	724	(((
	725
	726	)))
2.2	727
74.9	728	(((
26.7	729	(% style="color:blue" %)Additional Uplink Channel:
74.9	730	)))
2.2	731
74.9	732	(((
2.2	733	(OTAA mode, channel added by JoinAccept message)
74.9	734	)))
2.2	735
74.9	736	(((
	737
	738	)))
2.2	739
74.9	740	(((
26.7	741	(% style="color:blue" %)AS920~~AS923 for Japan, Malaysia, Singapore:
74.9	742	)))
26.7	743
74.9	744	(((
2.2	745	922.2 - SF7BW125 to SF10BW125
74.9	746	)))
2.2	747
74.9	748	(((
2.2	749	922.4 - SF7BW125 to SF10BW125
74.9	750	)))
2.2	751
74.9	752	(((
2.2	753	922.6 - SF7BW125 to SF10BW125
74.9	754	)))
2.2	755
74.9	756	(((
2.2	757	922.8 - SF7BW125 to SF10BW125
74.9	758	)))
2.2	759
74.9	760	(((
2.2	761	923.0 - SF7BW125 to SF10BW125
74.9	762	)))
2.2	763
74.9	764	(((
2.2	765	922.0 - SF7BW125 to SF10BW125
74.9	766	)))
2.2	767
74.9	768	(((
	769
	770	)))
2.2	771
74.9	772	(((
26.7	773	(% style="color:blue" %)AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam:
74.9	774	)))
2.2	775
74.9	776	(((
2.2	777	923.6 - SF7BW125 to SF10BW125
74.9	778	)))
2.2	779
74.9	780	(((
2.2	781	923.8 - SF7BW125 to SF10BW125
74.9	782	)))
2.2	783
74.9	784	(((
2.2	785	924.0 - SF7BW125 to SF10BW125
74.9	786	)))
2.2	787
74.9	788	(((
2.2	789	924.2 - SF7BW125 to SF10BW125
74.9	790	)))
2.2	791
74.9	792	(((
2.2	793	924.4 - SF7BW125 to SF10BW125
74.9	794	)))
2.2	795
74.9	796	(((
2.2	797	924.6 - SF7BW125 to SF10BW125
74.9	798	)))
2.2	799
74.9	800	(((
	801
	802	)))
2.2	803
74.9	804	(((
26.7	805	(% style="color:blue" %)Downlink:
74.9	806	)))
2.2	807
74.9	808	(((
2.2	809	Uplink channels 1-8 (RX1)
74.9	810	)))
2.2	811
74.9	812	(((
2.2	813	923.2 - SF10BW125 (RX2)
74.9	814	)))
2.2	815
	816
	817
26.7	818	=== 2.8.6 KR920-923 (KR920) ===
2.2	819
74.12	820	(((
26.7	821	(% style="color:blue" %)Default channel:
74.12	822	)))
26.7	823
74.12	824	(((
2.2	825	922.1 - SF7BW125 to SF12BW125
74.12	826	)))
2.2	827
74.12	828	(((
2.2	829	922.3 - SF7BW125 to SF12BW125
74.12	830	)))
2.2	831
74.12	832	(((
2.2	833	922.5 - SF7BW125 to SF12BW125
74.12	834	)))
2.2	835
74.12	836	(((
	837
	838	)))
2.2	839
74.12	840	(((
26.7	841	(% style="color:blue" %)Uplink: (OTAA mode, channel added by JoinAccept message)
74.12	842	)))
2.2	843
74.12	844	(((
2.2	845	922.1 - SF7BW125 to SF12BW125
74.12	846	)))
2.2	847
74.12	848	(((
2.2	849	922.3 - SF7BW125 to SF12BW125
74.12	850	)))
2.2	851
74.12	852	(((
2.2	853	922.5 - SF7BW125 to SF12BW125
74.12	854	)))
2.2	855
74.12	856	(((
2.2	857	922.7 - SF7BW125 to SF12BW125
74.12	858	)))
2.2	859
74.12	860	(((
2.2	861	922.9 - SF7BW125 to SF12BW125
74.12	862	)))
2.2	863
74.12	864	(((
2.2	865	923.1 - SF7BW125 to SF12BW125
74.12	866	)))
2.2	867
74.12	868	(((
2.2	869	923.3 - SF7BW125 to SF12BW125
74.12	870	)))
2.2	871
74.12	872	(((
	873
	874	)))
2.2	875
74.12	876	(((
26.7	877	(% style="color:blue" %)Downlink:
74.12	878	)))
2.2	879
74.12	880	(((
2.2	881	Uplink channels 1-7(RX1)
74.12	882	)))
2.2	883
74.12	884	(((
2.2	885	921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
74.12	886	)))
2.2	887
	888
35.6	889
26.7	890	=== 2.8.7 IN865-867 (IN865) ===
2.2	891
74.13	892	(((
26.7	893	(% style="color:blue" %)Uplink:
74.13	894	)))
2.2	895
74.13	896	(((
2.2	897	865.0625 - SF7BW125 to SF12BW125
74.13	898	)))
2.2	899
74.13	900	(((
2.2	901	865.4025 - SF7BW125 to SF12BW125
74.13	902	)))
2.2	903
74.13	904	(((
2.2	905	865.9850 - SF7BW125 to SF12BW125
74.13	906	)))
2.2	907
74.13	908	(((
	909
	910	)))
2.2	911
74.13	912	(((
26.7	913	(% style="color:blue" %)Downlink:
74.13	914	)))
2.2	915
74.13	916	(((
2.2	917	Uplink channels 1-3 (RX1)
74.13	918	)))
2.2	919
74.13	920	(((
2.2	921	866.550 - SF10BW125 (RX2)
74.13	922	)))
2.2	923
	924
	925
26.7	926	== 2.9 LED Indicator ==
	927
2.2	928	The LSPH01 has an internal LED which is to show the status of different state.
	929
	930	* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
	931	* Blink once when device transmit a packet.
	932
95.2	933
	934
	935
	936
	937
26.9	938	== 2.10 Firmware Change Log ==
2.2	939
26.15	940
2.2	941	Firmware download link:
	942
	943	[[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/]]
	944
	945
36.1	946	Firmware Upgrade Method: [[Firmware Upgrade Instruction>>path:/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
2.2	947
	948
	949
26.16	950	= 3. Configure LSPH01 via AT Command or LoRaWAN Downlink =
2.2	951
74.14	952	(((
2.2	953	Use can configure LSPH01 via AT Command or LoRaWAN Downlink.
74.14	954	)))
2.2	955
74.14	956	* (((
85.3	957	AT Command Connection: See [[FAQ>>\|\|anchor="H6.FAQ"]].
74.14	958	)))
	959	* (((
	960	LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>path:/xwiki/bin/view/Main/]]
	961	)))
2.2	962
74.14	963	(((
2.2	964	There are two kinds of commands to configure LSPH01, they are:
74.14	965	)))
2.2	966
74.14	967	* (((
	968	(% style="color:#4f81bd" %) General Commands.
	969	)))
2.2	970
74.14	971	(((
2.2	972	These commands are to configure:
74.14	973	)))
2.2	974
74.14	975	* (((
	976	General system settings like: uplink interval.
	977	)))
	978	* (((
	979	LoRaWAN protocol & radio related command.
	980	)))
2.2	981
74.14	982	(((
36.1	983	They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:[[End Device AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
74.14	984	)))
2.2	985
74.14	986	(((
	987
	988	)))
2.2	989
74.14	990	* (((
	991	(% style="color:#4f81bd" %) Commands special design for LSPH01
	992	)))
2.2	993
74.14	994	(((
2.2	995	These commands only valid for LSPH01, as below:
74.14	996	)))
2.2	997
	998
	999
27.2	1000	== 3.1 Set Transmit Interval Time ==
	1001
2.2	1002	Feature: Change LoRaWAN End Node Transmit Interval.
	1003
27.2	1004	(% style="color:#037691" %)AT Command: AT+TDC
2.2	1005
65.2	1006	[[image:image-20220607171554-8.png]]
27.2	1007
2.2	1008
74.16	1009	(((
27.2	1010	(% style="color:#037691" %)Downlink Command: 0x01
74.16	1011	)))
2.2	1012
74.16	1013	(((
2.2	1014	Format: Command Code (0x01) followed by 3 bytes time value.
74.16	1015	)))
2.2	1016
74.15	1017	(((
2.2	1018	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
74.15	1019	)))
2.2	1020
74.16	1021	* (((
	1022	Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	1023	)))
	1024	* (((
	1025	Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
76.2	1026
	1027
	1028
74.16	1029	)))
2.2	1030
27.3	1031	== 3.2 Set Interrupt Mode ==
	1032
2.2	1033	Feature, Set Interrupt mode for GPIO_EXIT.
	1034
27.3	1035	(% style="color:#037691" %)AT Command: AT+INTMOD
2.2	1036
86.2	1037	[[image:image-20220610105907-1.png]]
2.2	1038
	1039
74.16	1040	(((
27.3	1041	(% style="color:#037691" %)Downlink Command: 0x06
74.16	1042	)))
2.2	1043
74.16	1044	(((
2.2	1045	Format: Command Code (0x06) followed by 3 bytes.
74.16	1046	)))
2.2	1047
74.16	1048	(((
2.2	1049	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
74.16	1050	)))
2.2	1051
74.16	1052	* (((
	1053	Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
	1054	)))
	1055	* (((
	1056	Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
	1057	)))
2.2	1058
74.17	1059	(((
	1060
	1061	)))
	1062
	1063
	1064
27.3	1065	== 3.3 Calibrate Sensor ==
	1066
85.3	1067	Detail See [[Calibration Guide>>\|\|anchor="H2.7Calibration"]] for the user of 0x13 and 0x14 downlink commands
2.2	1068
	1069
	1070
28.3	1071	== 3.4 Get Firmware Version Info ==
	1072
2.2	1073	Feature: use downlink to get firmware version.
	1074
27.3	1075	(% style="color:#037691" %)Downlink Command: 0x26
2.2	1076
67.2	1077	[[image:image-20220607171917-10.png]]
2.2	1078
	1079	* Reply to the confirmation package: 26 01
	1080	* Reply to non-confirmed packet: 26 00
	1081
	1082	Device will send an uplink after got this downlink command. With below payload:
	1083
	1084	Configures info payload:
	1085
29.4	1086	(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	1087	\|=(((
	1088	Size(bytes)
	1089	)))\|=1\|=1\|=1\|=1\|=1\|=5\|=1
2.2	1090	\|Value\|Software Type\|(((
	1091	Frequency
	1092
	1093	Band
	1094	)))\|Sub-band\|(((
	1095	Firmware
	1096
	1097	Version
	1098	)))\|Sensor Type\|Reserve\|(((
85.3	1099	[[Message Type>>\|\|anchor="H2.3.6MessageType"]]
2.2	1100	Always 0x02
	1101	)))
	1102
90.5	1103	(% style="color:#037691" %)Software Type(%%): Always 0x03 for LSPH01
2.2	1104
	1105
90.5	1106	(% style="color:#037691" %)Frequency Band:
2.2	1107
	1108	*0x01: EU868
	1109
	1110	*0x02: US915
	1111
	1112	*0x03: IN865
	1113
	1114	*0x04: AU915
	1115
	1116	*0x05: KZ865
	1117
	1118	*0x06: RU864
	1119
	1120	*0x07: AS923
	1121
	1122	*0x08: AS923-1
	1123
	1124	*0x09: AS923-2
	1125
	1126	*0xa0: AS923-3
	1127
	1128
90.5	1129	(% style="color:#037691" %)Sub-Band(%%): value 0x00 ~~ 0x08
2.2	1130
	1131
90.5	1132	(% style="color:#037691" %)Firmware Version(%%): 0x0100, Means: v1.0.0 version
2.2	1133
	1134
90.5	1135	(% style="color:#037691" %)Sensor Type:
2.2	1136
	1137	0x01: LSE01
	1138
	1139	0x02: LDDS75
	1140
	1141	0x03: LDDS20
	1142
	1143	0x04: LLMS01
	1144
	1145	0x05: LSPH01
	1146
	1147	0x06: LSNPK01
	1148
	1149	0x07: LDDS12
	1150
	1151
	1152
29.9	1153	= 4. Battery & How to replace =
2.2	1154
29.9	1155	== 4.1 Battery Type ==
2.2	1156
30.2	1157	(((
2.2	1158	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.
30.2	1159	)))
2.2	1160
30.2	1161	(((
89.1	1162	The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
30.2	1163	)))
2.2	1164
68.2	1165	[[image:1654593587246-335.png]]
2.2	1166
	1167
	1168	Minimum Working Voltage for the LSPH01:
	1169
	1170	LSPH01: 2.45v ~~ 3.6v
	1171
	1172
	1173
30.3	1174	== 4.2 Replace Battery ==
	1175
30.5	1176	(((
2.2	1177	Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
30.5	1178	)))
2.2	1179
30.5	1180	(((
2.2	1181	And make sure the positive and negative pins match.
30.5	1182	)))
2.2	1183
	1184
	1185
30.4	1186	== 4.3 Power Consumption Analyze ==
2.2	1187
30.5	1188	(((
2.2	1189	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.
30.5	1190	)))
2.2	1191
30.5	1192	(((
2.2	1193	Instruction to use as below:
30.5	1194	)))
2.2	1195
	1196
92.3	1197	(% style="color:#037691" %)Step 1(%%): Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
2.2	1198
	1199	[[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/]]
	1200
	1201
90.5	1202	(% style="color:#037691" %)Step 2(%%): Open it and choose
2.2	1203
	1204	* Product Model
	1205	* Uplink Interval
	1206	* Working Mode
	1207
	1208	And the Life expectation in difference case will be shown on the right.
	1209
69.2	1210	[[image:1654593605679-189.png]]
2.2	1211
	1212
	1213	The battery related documents as below:
	1214
32.2	1215	* (((
89.1	1216	[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]],
2.2	1217	)))
32.2	1218	* (((
	1219	[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
	1220	)))
	1221	* (((
89.1	1222	[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]], [[Tech Spec>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]]
32.2	1223	)))
2.2	1224
70.2	1225	[[image:image-20220607172042-11.png]]
2.2	1226
	1227
	1228
32.4	1229	=== 4.3.1 Battery Note ===
2.2	1230
32.4	1231	(((
2.2	1232	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.
32.4	1233	)))
2.2	1234
	1235
	1236
32.4	1237	=== 4.3.2 Replace the battery ===
	1238
74.20	1239	(((
90.4	1240	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.
74.20	1241	)))
2.2	1242
74.20	1243	(((
2.2	1244	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)
74.20	1245	)))
2.2	1246
	1247
	1248
33.2	1249	= 5. Use AT Command =
2.2	1250
33.2	1251	== 5.1 Access AT Commands ==
2.2	1252
	1253	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.
	1254
72.2	1255	[[image:1654593668970-604.png]]
2.2	1256
34.6	1257	Connection:
2.2	1258
34.2	1259	(% style="background-color:yellow" %) USB TTL GND <~-~-~-~-> GND
2.2	1260
34.2	1261	(% style="background-color:yellow" %) USB TTL TXD <~-~-~-~-> UART_RXD
2.2	1262
34.2	1263	(% style="background-color:yellow" %) USB TTL RXD <~-~-~-~-> UART_TXD
2.2	1264
	1265
74.21	1266	(((
34.6	1267	In the PC, you need to set the serial baud rate to (% style="color:green" %)9600(%%) to access the serial console for LSPH01. LSPH01 will output system info once power on as below:
74.21	1268	)))
2.2	1269
	1270
72.2	1271	[[image:1654593712276-618.png]]
2.2	1272
85.3	1273	Valid AT Command please check [[Configure Device>>\|\|anchor="H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink"]].
2.2	1274
	1275
34.7	1276	= 6. FAQ =
2.2	1277
34.7	1278	== 6.1 How to change the LoRa Frequency Bands/Region ==
	1279
85.3	1280	You can follow the instructions for [[how to upgrade image>>\|\|anchor="H2.10200BFirmwareChangeLog"]].
2.2	1281	When downloading the images, choose the required image file for download.
	1282
	1283
34.7	1284	= 7. Trouble Shooting =
2.2	1285
90.2	1286	== 7.1 AT Commands input doesn't work ==
34.7	1287
90.3	1288	In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)ENTER(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)ENTER(%%) while press the send key, user need to add ENTER in their string.
2.2	1289
	1290
85.21	1291
34.9	1292	= 8. Order Info =
2.2	1293
34.9	1294	Part Number: (% style="color:blue" %)LSPH01-XX
2.2	1295
	1296
34.9	1297	(% style="color:blue" %)XX(%%): The default frequency band
2.2	1298
34.13	1299	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
34.9	1300	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	1301	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	1302	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	1303	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	1304	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
34.13	1305	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
34.9	1306	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
2.2	1307
94.1	1308
	1309
	1310
34.9	1311	= 9. Packing Info =
	1312
	1313
2.2	1314	Package Includes:
	1315
	1316	* LSPH01 LoRaWAN Soil Ph Sensor x 1
	1317
	1318	Dimension and weight:
	1319
	1320	* Device Size: cm
	1321	* Device Weight: g
	1322	* Package Size / pcs : cm
	1323	* Weight / pcs : g
	1324
94.1	1325
	1326
	1327
2.4	1328	= 10. Support =
2.2	1329
	1330	* 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.
34.12	1331	* 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 [[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]].
2.2	1332
72.3	1333

Wiki source code of LSPH01-LoRaWAN Soil pH Sensor User Manual

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