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

Version 94.1 by Xiaoling on 2022/06/25 17:10

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2.2	1	(% style="text-align:center" %)
38.2	2	[[image:1654592399090-860.png\|\|height="521" width="483"]]
1.1	3
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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
91.1	73
3.3	74	== 1.3 Probe Specification ==
2.2	75
	76
3.3	77	(% style="color:#4f81bd" %)Soil pH:
	78
	79	* Range: 3 ~~ 10 pH
	80	* Resolution: 0.01 pH
	81	* Accuracy: ±2% under (0~~50 ℃, Accuracy will poor under 0 due to frozen)
	82	* Temperature Compensation Range: 0 ~~ 50℃
2.2	83	* IP68 Protection
	84	* Length: 3.5 meters
	85
3.3	86	(% style="color:#4f81bd" %)Soil Temperature:
2.2	87
3.3	88	* Range -40℃～85℃
	89	* Resolution: 0.1℃
	90	* Accuracy: <±0.5℃(-10℃～40℃)，<±0.8℃ (others)
2.2	91	* IP68 Protection
	92	* Length: 3.5 meters
	93
91.1	94
3.3	95	== 1.4 Applications ==
	96
2.2	97	* Smart Agriculture
	98
91.1	99
3.3	100	== 1.5 Pin mapping and power on ==
	101
39.2	102	[[image:1654592472094-134.png]]
2.2	103
	104
	105
5.2	106	= 2. Configure LSPH01 to connect to LoRaWAN network =
2.2	107
5.5	108	== 2.1 How it works ==
2.2	109
5.3	110	(((
2.2	111	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	112	)))
2.2	113
5.3	114	(((
85.3	115	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	116	)))
2.2	117
	118
5.3	119	== 2.2 Quick guide to connect to LoRaWAN server (OTAA) ==
2.2	120
6.3	121	(((
2.2	122	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	123	)))
2.2	124
6.3	125	(((
41.3	126	[[image:1654592492399-921.png]]
86.7	127
	128
6.3	129	)))
2.2	130
6.3	131	(((
2.2	132	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	133
	134
6.3	135	)))
2.2	136
6.3	137	(((
23.5	138	(% style="color:blue" %)Step 1(%%): Create a device in TTN with the OTAA keys from LSPH01.
6.3	139	)))
2.2	140
6.3	141	(((
2.2	142	Each LSPH01 is shipped with a sticker with the default device EUI as below:
6.3	143	)))
2.2	144
41.3	145	[[image:image-20220607170145-1.jpeg]]
2.2	146
	147
	148
	149	You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
	150
	151
	152	Register the device
	153
	154
43.2	155	[[image:1654592600093-601.png]]
2.2	156
9.2	157
86.8	158
2.2	159	Add APP EUI and DEV EUI
	160
43.2	161	[[image:1654592619856-881.png]]
2.2	162
	163
86.8	164
2.2	165	Add APP EUI in the application
	166
44.2	167	[[image:1654592632656-512.png]]
2.2	168
	169
10.2	170
2.2	171	Add APP KEY
	172
45.2	173	[[image:1654592653453-934.png]]
2.2	174
	175
23.5	176	(% style="color:blue" %)Step 2(%%): Power on LSPH01
2.2	177
	178
	179	Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
	180
46.2	181	[[image:image-20220607170442-2.png]]
2.2	182
	183
73.14	184	(((
23.5	185	(% 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	186	)))
2.2	187
48.2	188	[[image:1654592697690-910.png]]
2.2	189
	190
	191
13.2	192	== 2.3 Uplink Payload ==
2.2	193
73.14	194	(((
3.2	195	LSPH01 will uplink payload via LoRaWAN with below payload format:
73.14	196	)))
2.2	197
73.14	198	(((
2.2	199	Uplink payload includes in total 11 bytes.
73.14	200	)))
2.2	201
73.14	202	(((
2.2	203	Normal uplink payload:
73.14	204	)))
2.2	205
13.2	206	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
85.8	207	\|=(% style="width: 62.5px;" %)(((
	208	Size (bytes)
	209	)))\|=(% style="width: 62.5px;" %)2\|=(% style="width: 62.5px;" %)2\|=2\|=2\|=1\|=1\|=1
	210	\|(% style="width:62.5px" %)Value\|(% style="width:62.5px" %)[[BAT>>\|\|anchor="H2.3.1BatteryInfo"]]\|(% style="width:62.5px" %)(((
85.3	211	[[Temperature>>\|\|anchor="H2.3.2DS18B20Temperaturesensor"]]
2.2	212
85.3	213	[[(Optional)>>\|\|anchor="H2.3.2DS18B20Temperaturesensor"]]
	214	)))\|[[Soil pH>>\|\|anchor="H2.3.3SoilpH"]]\|[[Soil Temperature>>\|\|anchor="H2.3.4SoilTemperature"]]\|(((
	215	[[Digital Interrupt (Optional)>>\|\|anchor="H2.3.5InterruptPin"]]
2.2	216	)))\|Reserve\|(((
85.3	217	[[Message Type>>\|\|anchor="H2.3.6MessageType"]]
2.2	218	)))
	219
48.2	220	[[image:1654592721645-318.png]]
2.2	221
	222
	223
13.2	224	=== 2.3.1 Battery Info ===
2.2	225
13.2	226
2.2	227	Check the battery voltage for LSPH01.
	228
	229	Ex1: 0x0B45 = 2885mV
	230
	231	Ex2: 0x0B49 = 2889mV
	232
	233
	234
13.2	235	=== 2.3.2 DS18B20 Temperature sensor ===
2.2	236
13.2	237	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	238
13.2	239
2.2	240	Example:
	241
	242	If payload is: 0105H: (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
	243
	244	If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
	245
	246
	247
13.3	248	=== 2.3.3 Soil pH ===
2.2	249
	250	Range: 0 ~~ 14 pH
	251
13.3	252	Example:
2.2	253
13.3	254	(% style="color:#037691" %) 0x02B7(H) = 695(D) = 6.95pH
2.2	255
	256
	257
13.3	258	=== 2.3.4 Soil Temperature ===
	259
2.2	260	Get Soil Temperature
	261
	262
	263	Example:
	264
13.3	265	If payload is: 0105H: (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
2.2	266
13.3	267	If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
2.2	268
	269
	270
13.3	271	=== 2.3.5 Interrupt Pin ===
2.2	272
85.3	273	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	274
	275
13.3	276	Example:
2.2	277
	278	0x00: Normal uplink packet.
	279
	280	0x01: Interrupt Uplink Packet.
	281
	282
	283
13.3	284	=== 2.3.6 Message Type ===
	285
73.15	286	(((
2.2	287	For a normal uplink payload, the message type is always 0x01.
73.15	288	)))
2.2	289
73.15	290	(((
2.2	291	Valid Message Type:
73.15	292	)))
2.2	293
	294
85.8	295	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:499px" %)
	296	\|=(% style="width: 160px;" %)Message Type Code\|=(% style="width: 163px;" %)Description\|=(% style="width: 173px;" %)Payload
	297	\|(% style="width:160px" %)0x01\|(% style="width:163px" %)Normal Uplink\|(% style="width:173px" %)[[Normal Uplink Payload>>\|\|anchor="H2.3200BUplinkPayload"]]
	298	\|(% style="width:160px" %)0x02\|(% style="width:163px" %)Reply configures info\|(% style="width:173px" %)[[Configure Info Payload>>\|\|anchor="H3.4GetFirmwareVersionInfo"]]
	299	\|(% style="width:160px" %)0x03\|(% style="width:163px" %)Reply Calibration Info\|(% style="width:173px" %)[[Calibration Payload>>\|\|anchor="H2.7Calibration"]]
2.2	300
90.8	301
13.6	302	=== 2.3.7 Decode payload in The Things Network ===
	303
2.2	304	While using TTN network, you can add the payload format to decode the payload.
	305
	306
49.2	307	[[image:1654592762713-715.png]]
2.2	308
14.2	309	(((
2.2	310	The payload decoder function for TTN is here:
14.2	311	)))
2.2	312
14.2	313	(((
2.2	314	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	315	)))
2.2	316
	317
	318
14.3	319	== 2.4 Uplink Interval ==
	320
85.19	321	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	322
	323
	324
16.2	325	== 2.5 Show Data in DataCake IoT Server ==
2.2	326
74.2	327	(((
2.2	328	[[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	329	)))
2.2	330
74.2	331	(((
	332
	333	)))
2.2	334
74.2	335	(((
23.5	336	(% style="color:blue" %)Step 1(%%): Be sure that your device is programmed and properly connected to the network at this time.
74.2	337	)))
2.2	338
74.2	339	(((
23.5	340	(% 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	341	)))
2.2	342
	343
50.2	344	[[image:1654592790040-760.png]]
2.2	345
	346
51.3	347	[[image:1654592800389-571.png]]
2.2	348
	349
23.5	350	(% style="color:blue" %)Step 3(%%): Create an account or log in Datacake.
2.2	351
23.5	352	(% style="color:blue" %)Step 4(%%): Create LSPH01 product.
2.2	353
53.2	354	[[image:1654592819047-535.png]]
2.2	355
	356
	357
53.2	358	[[image:1654592833877-762.png]]
2.2	359
	360
54.2	361	[[image:1654592856403-259.png]]
2.2	362
	363
74.3	364	(((
23.5	365	(% style="color:blue" %)Step 5(%%): add payload decode
74.3	366	)))
2.2	367
74.3	368	(((
2.2	369	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	370	)))
2.2	371
	372
55.2	373	[[image:1654592878525-845.png]]
2.2	374
56.2	375	[[image:1654592892967-474.png]]
2.2	376
	377
57.2	378	[[image:1654592905354-123.png]]
2.2	379
	380
	381	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
	382
	383
59.2	384	[[image:1654592917530-261.png]]
2.2	385
	386
	387
24.2	388	== 2.6 Installation and Maintain ==
2.2	389
24.2	390	=== 2.6.1 Before measurement ===
	391
	392	(((
74.4	393	(((
3.2	394	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	395	)))
74.4	396	)))
2.2	397
	398
	399
24.2	400	=== 2.6.2 Measurement ===
2.2	401
	402
74.4	403	(((
24.2	404	(% style="color:#4f81bd" %)Measurement the soil surface:
74.4	405	)))
2.2	406
74.4	407	(((
59.2	408	[[image:1654592946732-634.png]]
74.4	409	)))
2.2	410
74.4	411	(((
24.2	412	Choose the proper measuring position. Split the surface soil according to the measured deep.
74.4	413	)))
24.2	414
74.4	415	(((
2.2	416	Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
74.4	417	)))
2.2	418
74.4	419	(((
2.2	420	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	421	)))
2.2	422
74.4	423	(((
2.2	424	Put soil over the probe after insert. And start to measure.
74.4	425	)))
2.2	426
74.4	427	(((
	428
	429	)))
2.2	430
74.4	431	(((
24.2	432	(% style="color:#4f81bd" %)Measurement inside soil:
74.4	433	)))
2.2	434
74.4	435	(((
24.2	436	Dig a hole with diameter > 20CM.
74.4	437	)))
2.2	438
74.4	439	(((
24.2	440	Insert the probe inside, method like measure the surface.
74.4	441	)))
2.2	442
	443
	444
24.2	445	=== 2.6.3 Maintain Probe ===
2.2	446
24.2	447	1. (((
	448	pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
	449	)))
	450	1. (((
	451	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.
	452	)))
	453	1. (((
	454	Probe reference electrode is also no strong, need to avoid strong force or hitting.
	455	)))
	456	1. (((
	457	User should keep reference electrode wet while not use.
	458	)))
	459	1. (((
	460	Avoid the probes to touch oily matter. Which will cause issue in accuracy.
	461	)))
	462	1. (((
	463	The probe is IP68 can be put in water.
2.2	464
	465
25.2	466
	467	)))
2.2	468
24.3	469	== 2.7 Calibration ==
24.2	470
74.5	471	(((
2.2	472	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	473	)))
2.2	474
74.5	475	(((
26.2	476	After stable, user can use below command to calibrate.
74.5	477	)))
2.2	478
61.2	479	[[image:image-20220607171149-4.png]]
2.2	480
	481
25.2	482	(% style="color:#037691" %)Calibration Payload
2.2	483
74.6	484	(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
85.12	485	\|=(% style="width: 62.5px;" %)(((
	486	Size (bytes)
	487	)))\|=(% style="width: 89px;" %)1\|=(% style="width: 89px;" %)1\|=(% style="width: 89px;" %)1\|=(% style="width: 89px;" %)7\|=(% style="width: 89px;" %)1
2.2	488	\|Value\|(((
	489	PH4
	490
	491	Calibrate value
	492	)))\|PH6.86 Calibrate value\|(((
	493	PH9.18
	494
	495	Calibrate value
	496	)))\|Reserve\|(((
85.3	497	[[Message Type>>\|\|anchor="H2.3.6MessageType"]]
25.3	498
	499	Always 0x03
2.2	500	)))
	501
	502	User can also send 0x14 downlink command to poll the current calibration payload.
	503
64.2	504	[[image:image-20220607171416-7.jpeg]]
2.2	505
64.2	506
2.2	507	* Reply to the confirmation package: 14 01
	508	* Reply to non-confirmed packet: 14 00
	509
92.2	510
	511
	512
26.5	513	== 2.8 Frequency Plans ==
26.2	514
26.6	515	(((
2.2	516	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	517	)))
2.2	518
	519
26.5	520	=== 2.8.1 EU863-870 (EU868) ===
2.2	521
74.10	522	(((
26.5	523	(% style="color:blue" %)Uplink:
74.10	524	)))
26.5	525
74.10	526	(((
2.2	527	868.1 - SF7BW125 to SF12BW125
74.10	528	)))
2.2	529
74.10	530	(((
2.2	531	868.3 - SF7BW125 to SF12BW125 and SF7BW250
74.10	532	)))
2.2	533
74.10	534	(((
2.2	535	868.5 - SF7BW125 to SF12BW125
74.10	536	)))
2.2	537
74.10	538	(((
2.2	539	867.1 - SF7BW125 to SF12BW125
74.10	540	)))
2.2	541
74.10	542	(((
2.2	543	867.3 - SF7BW125 to SF12BW125
74.10	544	)))
2.2	545
74.10	546	(((
2.2	547	867.5 - SF7BW125 to SF12BW125
74.10	548	)))
2.2	549
74.10	550	(((
2.2	551	867.7 - SF7BW125 to SF12BW125
74.10	552	)))
2.2	553
74.10	554	(((
2.2	555	867.9 - SF7BW125 to SF12BW125
74.10	556	)))
2.2	557
74.10	558	(((
2.2	559	868.8 - FSK
74.10	560	)))
2.2	561
74.10	562	(((
	563
	564	)))
2.2	565
74.10	566	(((
26.5	567	(% style="color:blue" %)Downlink:
74.10	568	)))
2.2	569
74.10	570	(((
2.2	571	Uplink channels 1-9 (RX1)
74.10	572	)))
2.2	573
74.10	574	(((
2.2	575	869.525 - SF9BW125 (RX2 downlink only)
74.10	576	)))
2.2	577
	578
	579
26.5	580	=== 2.8.2 US902-928(US915) ===
	581
	582	(((
2.2	583	Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
26.5	584	)))
2.2	585
26.5	586	(((
2.2	587	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	588	)))
2.2	589
26.5	590	(((
2.2	591	After Join success, the end node will switch to the correct sub band by:
26.5	592	)))
2.2	593
	594	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
	595	* 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)
	596
87.4	597
26.5	598	=== 2.8.3 CN470-510 (CN470) ===
	599
74.11	600	(((
2.2	601	Used in China, Default use CHE=1
74.11	602	)))
2.2	603
74.11	604	(((
26.5	605	(% style="color:blue" %)Uplink:
74.11	606	)))
2.2	607
74.11	608	(((
2.2	609	486.3 - SF7BW125 to SF12BW125
74.11	610	)))
2.2	611
74.11	612	(((
2.2	613	486.5 - SF7BW125 to SF12BW125
74.11	614	)))
2.2	615
74.11	616	(((
2.2	617	486.7 - SF7BW125 to SF12BW125
74.11	618	)))
2.2	619
74.11	620	(((
2.2	621	486.9 - SF7BW125 to SF12BW125
74.11	622	)))
2.2	623
74.11	624	(((
2.2	625	487.1 - SF7BW125 to SF12BW125
74.11	626	)))
2.2	627
74.11	628	(((
2.2	629	487.3 - SF7BW125 to SF12BW125
74.11	630	)))
2.2	631
74.11	632	(((
2.2	633	487.5 - SF7BW125 to SF12BW125
74.11	634	)))
2.2	635
74.11	636	(((
2.2	637	487.7 - SF7BW125 to SF12BW125
74.11	638	)))
2.2	639
74.11	640	(((
	641
	642	)))
2.2	643
74.11	644	(((
26.5	645	(% style="color:blue" %)Downlink:
74.11	646	)))
2.2	647
74.11	648	(((
2.2	649	506.7 - SF7BW125 to SF12BW125
74.11	650	)))
2.2	651
74.11	652	(((
2.2	653	506.9 - SF7BW125 to SF12BW125
74.11	654	)))
2.2	655
74.11	656	(((
2.2	657	507.1 - SF7BW125 to SF12BW125
74.11	658	)))
2.2	659
74.11	660	(((
2.2	661	507.3 - SF7BW125 to SF12BW125
74.11	662	)))
2.2	663
74.11	664	(((
2.2	665	507.5 - SF7BW125 to SF12BW125
74.11	666	)))
2.2	667
74.11	668	(((
2.2	669	507.7 - SF7BW125 to SF12BW125
74.11	670	)))
2.2	671
74.11	672	(((
2.2	673	507.9 - SF7BW125 to SF12BW125
74.11	674	)))
2.2	675
74.11	676	(((
2.2	677	508.1 - SF7BW125 to SF12BW125
74.11	678	)))
2.2	679
74.11	680	(((
2.2	681	505.3 - SF12BW125 (RX2 downlink only)
74.11	682	)))
2.2	683
	684
	685
26.5	686	=== 2.8.4 AU915-928(AU915) ===
	687
	688	(((
2.2	689	Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
26.5	690	)))
2.2	691
26.5	692	(((
2.2	693	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	694	)))
2.2	695
26.5	696	(((
	697
	698	)))
2.2	699
26.5	700	(((
2.2	701	After Join success, the end node will switch to the correct sub band by:
26.5	702	)))
2.2	703
	704	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
	705	* 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)
	706
90.6	707
26.5	708	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
	709
74.9	710	(((
26.7	711	(% style="color:blue" %)Default Uplink channel:
74.9	712	)))
2.2	713
74.9	714	(((
2.2	715	923.2 - SF7BW125 to SF10BW125
74.9	716	)))
2.2	717
74.9	718	(((
2.2	719	923.4 - SF7BW125 to SF10BW125
74.9	720	)))
2.2	721
74.9	722	(((
	723
	724	)))
2.2	725
74.9	726	(((
26.7	727	(% style="color:blue" %)Additional Uplink Channel:
74.9	728	)))
2.2	729
74.9	730	(((
2.2	731	(OTAA mode, channel added by JoinAccept message)
74.9	732	)))
2.2	733
74.9	734	(((
	735
	736	)))
2.2	737
74.9	738	(((
26.7	739	(% style="color:blue" %)AS920~~AS923 for Japan, Malaysia, Singapore:
74.9	740	)))
26.7	741
74.9	742	(((
2.2	743	922.2 - SF7BW125 to SF10BW125
74.9	744	)))
2.2	745
74.9	746	(((
2.2	747	922.4 - SF7BW125 to SF10BW125
74.9	748	)))
2.2	749
74.9	750	(((
2.2	751	922.6 - SF7BW125 to SF10BW125
74.9	752	)))
2.2	753
74.9	754	(((
2.2	755	922.8 - SF7BW125 to SF10BW125
74.9	756	)))
2.2	757
74.9	758	(((
2.2	759	923.0 - SF7BW125 to SF10BW125
74.9	760	)))
2.2	761
74.9	762	(((
2.2	763	922.0 - SF7BW125 to SF10BW125
74.9	764	)))
2.2	765
74.9	766	(((
	767
	768	)))
2.2	769
74.9	770	(((
26.7	771	(% style="color:blue" %)AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam:
74.9	772	)))
2.2	773
74.9	774	(((
2.2	775	923.6 - SF7BW125 to SF10BW125
74.9	776	)))
2.2	777
74.9	778	(((
2.2	779	923.8 - SF7BW125 to SF10BW125
74.9	780	)))
2.2	781
74.9	782	(((
2.2	783	924.0 - SF7BW125 to SF10BW125
74.9	784	)))
2.2	785
74.9	786	(((
2.2	787	924.2 - SF7BW125 to SF10BW125
74.9	788	)))
2.2	789
74.9	790	(((
2.2	791	924.4 - SF7BW125 to SF10BW125
74.9	792	)))
2.2	793
74.9	794	(((
2.2	795	924.6 - SF7BW125 to SF10BW125
74.9	796	)))
2.2	797
74.9	798	(((
	799
	800	)))
2.2	801
74.9	802	(((
26.7	803	(% style="color:blue" %)Downlink:
74.9	804	)))
2.2	805
74.9	806	(((
2.2	807	Uplink channels 1-8 (RX1)
74.9	808	)))
2.2	809
74.9	810	(((
2.2	811	923.2 - SF10BW125 (RX2)
74.9	812	)))
2.2	813
	814
	815
26.7	816	=== 2.8.6 KR920-923 (KR920) ===
2.2	817
74.12	818	(((
26.7	819	(% style="color:blue" %)Default channel:
74.12	820	)))
26.7	821
74.12	822	(((
2.2	823	922.1 - SF7BW125 to SF12BW125
74.12	824	)))
2.2	825
74.12	826	(((
2.2	827	922.3 - SF7BW125 to SF12BW125
74.12	828	)))
2.2	829
74.12	830	(((
2.2	831	922.5 - SF7BW125 to SF12BW125
74.12	832	)))
2.2	833
74.12	834	(((
	835
	836	)))
2.2	837
74.12	838	(((
26.7	839	(% style="color:blue" %)Uplink: (OTAA mode, channel added by JoinAccept message)
74.12	840	)))
2.2	841
74.12	842	(((
2.2	843	922.1 - SF7BW125 to SF12BW125
74.12	844	)))
2.2	845
74.12	846	(((
2.2	847	922.3 - SF7BW125 to SF12BW125
74.12	848	)))
2.2	849
74.12	850	(((
2.2	851	922.5 - SF7BW125 to SF12BW125
74.12	852	)))
2.2	853
74.12	854	(((
2.2	855	922.7 - SF7BW125 to SF12BW125
74.12	856	)))
2.2	857
74.12	858	(((
2.2	859	922.9 - SF7BW125 to SF12BW125
74.12	860	)))
2.2	861
74.12	862	(((
2.2	863	923.1 - SF7BW125 to SF12BW125
74.12	864	)))
2.2	865
74.12	866	(((
2.2	867	923.3 - SF7BW125 to SF12BW125
74.12	868	)))
2.2	869
74.12	870	(((
	871
	872	)))
2.2	873
74.12	874	(((
26.7	875	(% style="color:blue" %)Downlink:
74.12	876	)))
2.2	877
74.12	878	(((
2.2	879	Uplink channels 1-7(RX1)
74.12	880	)))
2.2	881
74.12	882	(((
2.2	883	921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
74.12	884	)))
2.2	885
	886
35.6	887
26.7	888	=== 2.8.7 IN865-867 (IN865) ===
2.2	889
74.13	890	(((
26.7	891	(% style="color:blue" %)Uplink:
74.13	892	)))
2.2	893
74.13	894	(((
2.2	895	865.0625 - SF7BW125 to SF12BW125
74.13	896	)))
2.2	897
74.13	898	(((
2.2	899	865.4025 - SF7BW125 to SF12BW125
74.13	900	)))
2.2	901
74.13	902	(((
2.2	903	865.9850 - SF7BW125 to SF12BW125
74.13	904	)))
2.2	905
74.13	906	(((
	907
	908	)))
2.2	909
74.13	910	(((
26.7	911	(% style="color:blue" %)Downlink:
74.13	912	)))
2.2	913
74.13	914	(((
2.2	915	Uplink channels 1-3 (RX1)
74.13	916	)))
2.2	917
74.13	918	(((
2.2	919	866.550 - SF10BW125 (RX2)
74.13	920	)))
2.2	921
	922
	923
26.7	924	== 2.9 LED Indicator ==
	925
2.2	926	The LSPH01 has an internal LED which is to show the status of different state.
	927
	928	* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
	929	* Blink once when device transmit a packet.
	930
90.5	931
26.9	932	== 2.10 Firmware Change Log ==
2.2	933
26.15	934
2.2	935	Firmware download link:
	936
	937	[[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/]]
	938
	939
36.1	940	Firmware Upgrade Method: [[Firmware Upgrade Instruction>>path:/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
2.2	941
	942
	943
26.16	944	= 3. Configure LSPH01 via AT Command or LoRaWAN Downlink =
2.2	945
74.14	946	(((
2.2	947	Use can configure LSPH01 via AT Command or LoRaWAN Downlink.
74.14	948	)))
2.2	949
74.14	950	* (((
85.3	951	AT Command Connection: See [[FAQ>>\|\|anchor="H6.FAQ"]].
74.14	952	)))
	953	* (((
	954	LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>path:/xwiki/bin/view/Main/]]
	955	)))
2.2	956
74.14	957	(((
2.2	958	There are two kinds of commands to configure LSPH01, they are:
74.14	959	)))
2.2	960
74.14	961	* (((
	962	(% style="color:#4f81bd" %) General Commands.
	963	)))
2.2	964
74.14	965	(((
2.2	966	These commands are to configure:
74.14	967	)))
2.2	968
74.14	969	* (((
	970	General system settings like: uplink interval.
	971	)))
	972	* (((
	973	LoRaWAN protocol & radio related command.
	974	)))
2.2	975
74.14	976	(((
36.1	977	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	978	)))
2.2	979
74.14	980	(((
	981
	982	)))
2.2	983
74.14	984	* (((
	985	(% style="color:#4f81bd" %) Commands special design for LSPH01
	986	)))
2.2	987
74.14	988	(((
2.2	989	These commands only valid for LSPH01, as below:
74.14	990	)))
2.2	991
	992
	993
27.2	994	== 3.1 Set Transmit Interval Time ==
	995
2.2	996	Feature: Change LoRaWAN End Node Transmit Interval.
	997
27.2	998	(% style="color:#037691" %)AT Command: AT+TDC
2.2	999
65.2	1000	[[image:image-20220607171554-8.png]]
27.2	1001
2.2	1002
74.16	1003	(((
27.2	1004	(% style="color:#037691" %)Downlink Command: 0x01
74.16	1005	)))
2.2	1006
74.16	1007	(((
2.2	1008	Format: Command Code (0x01) followed by 3 bytes time value.
74.16	1009	)))
2.2	1010
74.15	1011	(((
2.2	1012	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	1013	)))
2.2	1014
74.16	1015	* (((
	1016	Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	1017	)))
	1018	* (((
	1019	Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
76.2	1020
	1021
	1022
74.16	1023	)))
2.2	1024
27.3	1025	== 3.2 Set Interrupt Mode ==
	1026
2.2	1027	Feature, Set Interrupt mode for GPIO_EXIT.
	1028
27.3	1029	(% style="color:#037691" %)AT Command: AT+INTMOD
2.2	1030
86.2	1031	[[image:image-20220610105907-1.png]]
2.2	1032
	1033
74.16	1034	(((
27.3	1035	(% style="color:#037691" %)Downlink Command: 0x06
74.16	1036	)))
2.2	1037
74.16	1038	(((
2.2	1039	Format: Command Code (0x06) followed by 3 bytes.
74.16	1040	)))
2.2	1041
74.16	1042	(((
2.2	1043	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	1044	)))
2.2	1045
74.16	1046	* (((
	1047	Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
	1048	)))
	1049	* (((
	1050	Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
	1051	)))
2.2	1052
74.17	1053	(((
	1054
	1055	)))
	1056
	1057
	1058
27.3	1059	== 3.3 Calibrate Sensor ==
	1060
85.3	1061	Detail See [[Calibration Guide>>\|\|anchor="H2.7Calibration"]] for the user of 0x13 and 0x14 downlink commands
2.2	1062
	1063
	1064
28.3	1065	== 3.4 Get Firmware Version Info ==
	1066
2.2	1067	Feature: use downlink to get firmware version.
	1068
27.3	1069	(% style="color:#037691" %)Downlink Command: 0x26
2.2	1070
67.2	1071	[[image:image-20220607171917-10.png]]
2.2	1072
	1073	* Reply to the confirmation package: 26 01
	1074	* Reply to non-confirmed packet: 26 00
	1075
	1076	Device will send an uplink after got this downlink command. With below payload:
	1077
	1078	Configures info payload:
	1079
29.4	1080	(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	1081	\|=(((
	1082	Size(bytes)
	1083	)))\|=1\|=1\|=1\|=1\|=1\|=5\|=1
2.2	1084	\|Value\|Software Type\|(((
	1085	Frequency
	1086
	1087	Band
	1088	)))\|Sub-band\|(((
	1089	Firmware
	1090
	1091	Version
	1092	)))\|Sensor Type\|Reserve\|(((
85.3	1093	[[Message Type>>\|\|anchor="H2.3.6MessageType"]]
2.2	1094	Always 0x02
	1095	)))
	1096
90.5	1097	(% style="color:#037691" %)Software Type(%%): Always 0x03 for LSPH01
2.2	1098
	1099
90.5	1100	(% style="color:#037691" %)Frequency Band:
2.2	1101
	1102	*0x01: EU868
	1103
	1104	*0x02: US915
	1105
	1106	*0x03: IN865
	1107
	1108	*0x04: AU915
	1109
	1110	*0x05: KZ865
	1111
	1112	*0x06: RU864
	1113
	1114	*0x07: AS923
	1115
	1116	*0x08: AS923-1
	1117
	1118	*0x09: AS923-2
	1119
	1120	*0xa0: AS923-3
	1121
	1122
90.5	1123	(% style="color:#037691" %)Sub-Band(%%): value 0x00 ~~ 0x08
2.2	1124
	1125
90.5	1126	(% style="color:#037691" %)Firmware Version(%%): 0x0100, Means: v1.0.0 version
2.2	1127
	1128
90.5	1129	(% style="color:#037691" %)Sensor Type:
2.2	1130
	1131	0x01: LSE01
	1132
	1133	0x02: LDDS75
	1134
	1135	0x03: LDDS20
	1136
	1137	0x04: LLMS01
	1138
	1139	0x05: LSPH01
	1140
	1141	0x06: LSNPK01
	1142
	1143	0x07: LDDS12
	1144
	1145
	1146
29.9	1147	= 4. Battery & How to replace =
2.2	1148
29.9	1149	== 4.1 Battery Type ==
2.2	1150
30.2	1151	(((
2.2	1152	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	1153	)))
2.2	1154
30.2	1155	(((
89.1	1156	The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
30.2	1157	)))
2.2	1158
68.2	1159	[[image:1654593587246-335.png]]
2.2	1160
	1161
	1162	Minimum Working Voltage for the LSPH01:
	1163
	1164	LSPH01: 2.45v ~~ 3.6v
	1165
	1166
	1167
30.3	1168	== 4.2 Replace Battery ==
	1169
30.5	1170	(((
2.2	1171	Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
30.5	1172	)))
2.2	1173
30.5	1174	(((
2.2	1175	And make sure the positive and negative pins match.
30.5	1176	)))
2.2	1177
	1178
	1179
30.4	1180	== 4.3 Power Consumption Analyze ==
2.2	1181
30.5	1182	(((
2.2	1183	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	1184	)))
2.2	1185
30.5	1186	(((
2.2	1187	Instruction to use as below:
30.5	1188	)))
2.2	1189
	1190
92.3	1191	(% style="color:#037691" %)Step 1(%%): Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
2.2	1192
	1193	[[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/]]
	1194
	1195
90.5	1196	(% style="color:#037691" %)Step 2(%%): Open it and choose
2.2	1197
	1198	* Product Model
	1199	* Uplink Interval
	1200	* Working Mode
	1201
	1202	And the Life expectation in difference case will be shown on the right.
	1203
69.2	1204	[[image:1654593605679-189.png]]
2.2	1205
	1206
	1207	The battery related documents as below:
	1208
32.2	1209	* (((
89.1	1210	[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]],
2.2	1211	)))
32.2	1212	* (((
	1213	[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
	1214	)))
	1215	* (((
89.1	1216	[[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	1217	)))
2.2	1218
70.2	1219	[[image:image-20220607172042-11.png]]
2.2	1220
	1221
	1222
32.4	1223	=== 4.3.1 Battery Note ===
2.2	1224
32.4	1225	(((
2.2	1226	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	1227	)))
2.2	1228
	1229
	1230
32.4	1231	=== 4.3.2 Replace the battery ===
	1232
74.20	1233	(((
90.4	1234	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	1235	)))
2.2	1236
74.20	1237	(((
2.2	1238	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	1239	)))
2.2	1240
	1241
	1242
33.2	1243	= 5. Use AT Command =
2.2	1244
33.2	1245	== 5.1 Access AT Commands ==
2.2	1246
	1247	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.
	1248
72.2	1249	[[image:1654593668970-604.png]]
2.2	1250
34.6	1251	Connection:
2.2	1252
34.2	1253	(% style="background-color:yellow" %) USB TTL GND <~-~-~-~-> GND
2.2	1254
34.2	1255	(% style="background-color:yellow" %) USB TTL TXD <~-~-~-~-> UART_RXD
2.2	1256
34.2	1257	(% style="background-color:yellow" %) USB TTL RXD <~-~-~-~-> UART_TXD
2.2	1258
	1259
74.21	1260	(((
34.6	1261	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	1262	)))
2.2	1263
	1264
72.2	1265	[[image:1654593712276-618.png]]
2.2	1266
85.3	1267	Valid AT Command please check [[Configure Device>>\|\|anchor="H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink"]].
2.2	1268
	1269
34.7	1270	= 6. FAQ =
2.2	1271
34.7	1272	== 6.1 How to change the LoRa Frequency Bands/Region ==
	1273
85.3	1274	You can follow the instructions for [[how to upgrade image>>\|\|anchor="H2.10200BFirmwareChangeLog"]].
2.2	1275	When downloading the images, choose the required image file for download.
	1276
	1277
34.7	1278	= 7. Trouble Shooting =
2.2	1279
90.2	1280	== 7.1 AT Commands input doesn't work ==
34.7	1281
90.3	1282	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	1283
	1284
85.21	1285
34.9	1286	= 8. Order Info =
2.2	1287
34.9	1288	Part Number: (% style="color:blue" %)LSPH01-XX
2.2	1289
	1290
34.9	1291	(% style="color:blue" %)XX(%%): The default frequency band
2.2	1292
34.13	1293	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
34.9	1294	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	1295	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	1296	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	1297	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	1298	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
34.13	1299	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
34.9	1300	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
2.2	1301
94.1	1302
	1303
	1304
	1305
	1306
34.9	1307	= 9. Packing Info =
	1308
	1309
2.2	1310	Package Includes:
	1311
	1312	* LSPH01 LoRaWAN Soil Ph Sensor x 1
	1313
	1314	Dimension and weight:
	1315
	1316	* Device Size: cm
	1317	* Device Weight: g
	1318	* Package Size / pcs : cm
	1319	* Weight / pcs : g
	1320
94.1	1321
	1322
	1323
	1324
	1325
2.4	1326	= 10. Support =
2.2	1327
	1328	* 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	1329	* 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	1330
72.3	1331

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

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