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

Version 98.18 by Xiaoling on 2022/10/27 13:53

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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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92.1	7
86.4	8	Table of Contents:
1.1	9
92.1	10	{{toc/}}
1.1	11
92.1	12
	13
	14
	15
	16
3.2	17	= 1. Introduction =
2.2	18
98.6	19
3.2	20	== 1.1 What is LoRaWAN Soil pH Sensor ==
2.2	21
98.13	22
73.13	23	(((
3.2	24	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	25	)))
2.2	26
73.13	27	(((
3.2	28	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	29	)))
2.2	30
73.13	31	(((
2.2	32	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	33	)))
2.2	34
73.13	35	(((
3.2	36	LSPH01 is powered by (% style="color:#4f81bd" %)8500mAh Li-SOCI2 battery(%%), it is designed for long term use up to 5 years.
73.13	37	)))
2.2	38
73.13	39	(((
3.2	40	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	41	)))
2.2	42
	43
38.2	44	[[image:1654592435432-887.png]]
2.2	45
	46
	47
3.2	48	== 1.2 Features ==
	49
98.6	50
2.2	51	* LoRaWAN 1.0.3 Class A
	52	* Ultra-low power consumption
	53	* Monitor soil pH with temperature compensation.
	54	* Monitor soil temperature
	55	* Monitor Battery Level
	56	* Support pH calibration by end user
	57	* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
	58	* AT Commands to change parameters
	59	* Uplink on periodically
	60	* Downlink to change configure
	61	* IP66 Waterproof Enclosure
	62	* IP68 rate for the Sensor Probe
	63	* 8500mAh Battery for long term use
	64
98.2	65
98.6	66
3.3	67	== 1.3 Probe Specification ==
2.2	68
	69
3.3	70	(% style="color:#4f81bd" %)Soil pH:
	71
	72	* Range: 3 ~~ 10 pH
	73	* Resolution: 0.01 pH
	74	* Accuracy: ±2% under (0~~50 ℃, Accuracy will poor under 0 due to frozen)
	75	* Temperature Compensation Range: 0 ~~ 50℃
2.2	76	* IP68 Protection
	77	* Length: 3.5 meters
	78
3.3	79	(% style="color:#4f81bd" %)Soil Temperature:
2.2	80
3.3	81	* Range -40℃～85℃
	82	* Resolution: 0.1℃
	83	* Accuracy: <±0.5℃(-10℃～40℃)，<±0.8℃ (others)
2.2	84	* IP68 Protection
	85	* Length: 3.5 meters
	86
98.2	87
98.6	88
3.3	89	== 1.4 Applications ==
	90
98.6	91
2.2	92	* Smart Agriculture
	93
98.2	94
3.3	95	== 1.5 Pin mapping and power on ==
	96
98.6	97
39.2	98	[[image:1654592472094-134.png]]
2.2	99
	100
	101
5.2	102	= 2. Configure LSPH01 to connect to LoRaWAN network =
2.2	103
98.6	104
5.5	105	== 2.1 How it works ==
2.2	106
98.6	107
5.3	108	(((
2.2	109	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	110	)))
2.2	111
5.3	112	(((
98.2	113	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	114	)))
2.2	115
	116
98.6	117
5.3	118	== 2.2 Quick guide to connect to LoRaWAN server (OTAA) ==
2.2	119
98.6	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.
98.6	186
	187
73.14	188	)))
2.2	189
48.2	190	[[image:1654592697690-910.png]]
2.2	191
	192
	193
13.2	194	== 2.3 Uplink Payload ==
2.2	195
98.6	196
73.14	197	(((
3.2	198	LSPH01 will uplink payload via LoRaWAN with below payload format:
73.14	199	)))
2.2	200
73.14	201	(((
2.2	202	Uplink payload includes in total 11 bytes.
73.14	203	)))
2.2	204
73.14	205	(((
2.2	206	Normal uplink payload:
73.14	207	)))
2.2	208
98.15	209	(% border="1" cellspacing="5" style="background-color:#ffffcc; width:470px" %)
98.13	210	\|=(% style="width: 60px;" %)(((
98.14	211	Size (bytes))))\|=(% style="width: 30px;" %)2\|=(% style="width: 70px;" %)2\|=(% style="width: 50px;" %)2\|=(% style="width: 60px;" %)2\|=(% style="width: 70px;" %)1\|=(% style="width: 50px;" %)1\|=(% style="width: 80px;" %)1
85.8	212	\|(% style="width:62.5px" %)Value\|(% style="width:62.5px" %)[[BAT>>\|\|anchor="H2.3.1BatteryInfo"]]\|(% style="width:62.5px" %)(((
98.13	213	[[Temperature (Optional)>>\|\|anchor="H2.3.2DS18B20Temperaturesensor"]]
85.3	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
98.6	237
13.2	238	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	239
13.2	240
2.2	241	Example:
	242
	243	If payload is: 0105H: (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
	244
	245	If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
	246
	247
	248
13.3	249	=== 2.3.3 Soil pH ===
2.2	250
98.6	251
2.2	252	Range: 0 ~~ 14 pH
	253
13.3	254	Example:
2.2	255
13.3	256	(% style="color:#037691" %) 0x02B7(H) = 695(D) = 6.95pH
2.2	257
	258
	259
13.3	260	=== 2.3.4 Soil Temperature ===
	261
98.6	262
2.2	263	Get Soil Temperature
	264
	265
	266	Example:
	267
13.3	268	If payload is: 0105H: (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
2.2	269
13.3	270	If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
2.2	271
	272
	273
13.3	274	=== 2.3.5 Interrupt Pin ===
2.2	275
98.6	276
85.3	277	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	278
	279
13.3	280	Example:
2.2	281
	282	0x00: Normal uplink packet.
	283
	284	0x01: Interrupt Uplink Packet.
	285
	286
	287
13.3	288	=== 2.3.6 Message Type ===
	289
98.6	290
73.15	291	(((
2.2	292	For a normal uplink payload, the message type is always 0x01.
73.15	293	)))
2.2	294
73.15	295	(((
2.2	296	Valid Message Type:
73.15	297	)))
2.2	298
	299
98.17	300	(% border="1" cellspacing="5" style="background-color:#ffffcc; width:496px" %)
85.8	301	\|=(% style="width: 160px;" %)Message Type Code\|=(% style="width: 163px;" %)Description\|=(% style="width: 173px;" %)Payload
	302	\|(% style="width:160px" %)0x01\|(% style="width:163px" %)Normal Uplink\|(% style="width:173px" %)[[Normal Uplink Payload>>\|\|anchor="H2.3200BUplinkPayload"]]
	303	\|(% style="width:160px" %)0x02\|(% style="width:163px" %)Reply configures info\|(% style="width:173px" %)[[Configure Info Payload>>\|\|anchor="H3.4GetFirmwareVersionInfo"]]
	304	\|(% style="width:160px" %)0x03\|(% style="width:163px" %)Reply Calibration Info\|(% style="width:173px" %)[[Calibration Payload>>\|\|anchor="H2.7Calibration"]]
2.2	305
98.3	306
98.6	307
13.6	308	=== 2.3.7 Decode payload in The Things Network ===
	309
2.2	310	While using TTN network, you can add the payload format to decode the payload.
	311
	312
49.2	313	[[image:1654592762713-715.png]]
2.2	314
14.2	315	(((
2.2	316	The payload decoder function for TTN is here:
14.2	317	)))
2.2	318
14.2	319	(((
98.12	320	LSPH01 TTN Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
14.2	321	)))
2.2	322
	323
	324
14.3	325	== 2.4 Uplink Interval ==
	326
98.6	327
85.19	328	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	329
	330
	331
16.2	332	== 2.5 Show Data in DataCake IoT Server ==
2.2	333
98.7	334
74.2	335	(((
2.2	336	[[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	337	)))
2.2	338
74.2	339	(((
	340
	341	)))
2.2	342
74.2	343	(((
23.5	344	(% style="color:blue" %)Step 1(%%): Be sure that your device is programmed and properly connected to the network at this time.
74.2	345	)))
2.2	346
74.2	347	(((
23.5	348	(% 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	349	)))
2.2	350
	351
50.2	352	[[image:1654592790040-760.png]]
2.2	353
	354
51.3	355	[[image:1654592800389-571.png]]
2.2	356
	357
23.5	358	(% style="color:blue" %)Step 3(%%): Create an account or log in Datacake.
2.2	359
23.5	360	(% style="color:blue" %)Step 4(%%): Create LSPH01 product.
2.2	361
53.2	362	[[image:1654592819047-535.png]]
2.2	363
	364
	365
53.2	366	[[image:1654592833877-762.png]]
2.2	367
	368
54.2	369	[[image:1654592856403-259.png]]
2.2	370
	371
74.3	372	(((
23.5	373	(% style="color:blue" %)Step 5(%%): add payload decode
74.3	374	)))
2.2	375
74.3	376	(((
98.7	377	Download Datacake decoder from: [[https:~~/~~/www.dropbox.com/sh/pj7cgmgqg3gx3ta/AABYFbg1DVOOR9Hmr1mLSBkga?dl=0>>url:https://www.dropbox.com/sh/pj7cgmgqg3gx3ta/AABYFbg1DVOOR9Hmr1mLSBkga?dl=0]]
74.3	378	)))
2.2	379
	380
55.2	381	[[image:1654592878525-845.png]]
2.2	382
56.2	383	[[image:1654592892967-474.png]]
2.2	384
	385
57.2	386	[[image:1654592905354-123.png]]
2.2	387
	388
	389	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
	390
	391
59.2	392	[[image:1654592917530-261.png]]
2.2	393
	394
	395
24.2	396	== 2.6 Installation and Maintain ==
2.2	397
98.8	398
24.2	399	=== 2.6.1 Before measurement ===
	400
98.8	401
24.2	402	(((
74.4	403	(((
3.2	404	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	405	)))
74.4	406	)))
2.2	407
	408
	409
24.2	410	=== 2.6.2 Measurement ===
2.2	411
	412
74.4	413	(((
24.2	414	(% style="color:#4f81bd" %)Measurement the soil surface:
74.4	415	)))
2.2	416
74.4	417	(((
59.2	418	[[image:1654592946732-634.png]]
98.8	419
	420
74.4	421	)))
2.2	422
74.4	423	(((
24.2	424	Choose the proper measuring position. Split the surface soil according to the measured deep.
74.4	425	)))
24.2	426
74.4	427	(((
2.2	428	Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
74.4	429	)))
2.2	430
74.4	431	(((
98.8	432	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	433	)))
2.2	434
74.4	435	(((
2.2	436	Put soil over the probe after insert. And start to measure.
74.4	437	)))
2.2	438
74.4	439	(((
	440
	441	)))
2.2	442
74.4	443	(((
24.2	444	(% style="color:#4f81bd" %)Measurement inside soil:
74.4	445	)))
2.2	446
74.4	447	(((
24.2	448	Dig a hole with diameter > 20CM.
74.4	449	)))
2.2	450
74.4	451	(((
24.2	452	Insert the probe inside, method like measure the surface.
74.4	453	)))
2.2	454
	455
	456
24.2	457	=== 2.6.3 Maintain Probe ===
2.2	458
98.8	459
24.2	460	1. (((
	461	pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
	462	)))
	463	1. (((
	464	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.
	465	)))
	466	1. (((
	467	Probe reference electrode is also no strong, need to avoid strong force or hitting.
	468	)))
	469	1. (((
	470	User should keep reference electrode wet while not use.
	471	)))
	472	1. (((
	473	Avoid the probes to touch oily matter. Which will cause issue in accuracy.
	474	)))
	475	1. (((
	476	The probe is IP68 can be put in water.
2.2	477
	478
25.2	479
	480	)))
2.2	481
24.3	482	== 2.7 Calibration ==
24.2	483
98.9	484
74.5	485	(((
2.2	486	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	487	)))
2.2	488
74.5	489	(((
26.2	490	After stable, user can use below command to calibrate.
74.5	491	)))
2.2	492
61.2	493	[[image:image-20220607171149-4.png]]
2.2	494
	495
25.2	496	(% style="color:#037691" %)Calibration Payload
2.2	497
98.18	498	(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
	499	\|=(% style="width: 60px;" %)(((
85.12	500	Size (bytes)
98.18	501	)))\|=(% style="width: 100px;" %)1\|=(% style="width: 90px;" %)1\|=(% style="width: 100px;" %)1\|=(% style="width: 50px;" %)7\|=(% style="width: 90px;" %)1
2.2	502	\|Value\|(((
	503	PH4
	504	Calibrate value
	505	)))\|PH6.86 Calibrate value\|(((
	506	PH9.18
	507	Calibrate value
	508	)))\|Reserve\|(((
85.3	509	[[Message Type>>\|\|anchor="H2.3.6MessageType"]]
25.3	510	Always 0x03
2.2	511	)))
	512
	513	User can also send 0x14 downlink command to poll the current calibration payload.
	514
64.2	515	[[image:image-20220607171416-7.jpeg]]
2.2	516
64.2	517
2.2	518	* Reply to the confirmation package: 14 01
	519	* Reply to non-confirmed packet: 14 00
	520
98.4	521
26.5	522	== 2.8 Frequency Plans ==
26.2	523
98.9	524
26.6	525	(((
2.2	526	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	527	)))
2.2	528
	529
98.9	530
26.5	531	=== 2.8.1 EU863-870 (EU868) ===
2.2	532
98.9	533
74.10	534	(((
26.5	535	(% style="color:blue" %)Uplink:
74.10	536	)))
26.5	537
74.10	538	(((
2.2	539	868.1 - SF7BW125 to SF12BW125
74.10	540	)))
2.2	541
74.10	542	(((
2.2	543	868.3 - SF7BW125 to SF12BW125 and SF7BW250
74.10	544	)))
2.2	545
74.10	546	(((
2.2	547	868.5 - SF7BW125 to SF12BW125
74.10	548	)))
2.2	549
74.10	550	(((
2.2	551	867.1 - SF7BW125 to SF12BW125
74.10	552	)))
2.2	553
74.10	554	(((
2.2	555	867.3 - SF7BW125 to SF12BW125
74.10	556	)))
2.2	557
74.10	558	(((
2.2	559	867.5 - SF7BW125 to SF12BW125
74.10	560	)))
2.2	561
74.10	562	(((
2.2	563	867.7 - SF7BW125 to SF12BW125
74.10	564	)))
2.2	565
74.10	566	(((
2.2	567	867.9 - SF7BW125 to SF12BW125
74.10	568	)))
2.2	569
74.10	570	(((
2.2	571	868.8 - FSK
74.10	572	)))
2.2	573
74.10	574	(((
	575
	576	)))
2.2	577
74.10	578	(((
26.5	579	(% style="color:blue" %)Downlink:
74.10	580	)))
2.2	581
74.10	582	(((
2.2	583	Uplink channels 1-9 (RX1)
74.10	584	)))
2.2	585
74.10	586	(((
2.2	587	869.525 - SF9BW125 (RX2 downlink only)
74.10	588	)))
2.2	589
	590
	591
26.5	592	=== 2.8.2 US902-928(US915) ===
	593
98.9	594
26.5	595	(((
2.2	596	Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
26.5	597	)))
2.2	598
26.5	599	(((
2.2	600	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	601	)))
2.2	602
26.5	603	(((
2.2	604	After Join success, the end node will switch to the correct sub band by:
26.5	605	)))
2.2	606
	607	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
98.4	608	* 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)
2.2	609
98.9	610
	611
26.5	612	=== 2.8.3 CN470-510 (CN470) ===
	613
98.9	614
74.11	615	(((
2.2	616	Used in China, Default use CHE=1
74.11	617	)))
2.2	618
74.11	619	(((
26.5	620	(% style="color:blue" %)Uplink:
74.11	621	)))
2.2	622
74.11	623	(((
2.2	624	486.3 - SF7BW125 to SF12BW125
74.11	625	)))
2.2	626
74.11	627	(((
2.2	628	486.5 - SF7BW125 to SF12BW125
74.11	629	)))
2.2	630
74.11	631	(((
2.2	632	486.7 - SF7BW125 to SF12BW125
74.11	633	)))
2.2	634
74.11	635	(((
2.2	636	486.9 - SF7BW125 to SF12BW125
74.11	637	)))
2.2	638
74.11	639	(((
2.2	640	487.1 - SF7BW125 to SF12BW125
74.11	641	)))
2.2	642
74.11	643	(((
2.2	644	487.3 - SF7BW125 to SF12BW125
74.11	645	)))
2.2	646
74.11	647	(((
2.2	648	487.5 - SF7BW125 to SF12BW125
74.11	649	)))
2.2	650
74.11	651	(((
2.2	652	487.7 - SF7BW125 to SF12BW125
74.11	653	)))
2.2	654
74.11	655	(((
	656
	657	)))
2.2	658
74.11	659	(((
26.5	660	(% style="color:blue" %)Downlink:
74.11	661	)))
2.2	662
74.11	663	(((
2.2	664	506.7 - SF7BW125 to SF12BW125
74.11	665	)))
2.2	666
74.11	667	(((
2.2	668	506.9 - SF7BW125 to SF12BW125
74.11	669	)))
2.2	670
74.11	671	(((
2.2	672	507.1 - SF7BW125 to SF12BW125
74.11	673	)))
2.2	674
74.11	675	(((
2.2	676	507.3 - SF7BW125 to SF12BW125
74.11	677	)))
2.2	678
74.11	679	(((
2.2	680	507.5 - SF7BW125 to SF12BW125
74.11	681	)))
2.2	682
74.11	683	(((
2.2	684	507.7 - SF7BW125 to SF12BW125
74.11	685	)))
2.2	686
74.11	687	(((
2.2	688	507.9 - SF7BW125 to SF12BW125
74.11	689	)))
2.2	690
74.11	691	(((
2.2	692	508.1 - SF7BW125 to SF12BW125
74.11	693	)))
2.2	694
74.11	695	(((
2.2	696	505.3 - SF12BW125 (RX2 downlink only)
74.11	697	)))
2.2	698
	699
	700
26.5	701	=== 2.8.4 AU915-928(AU915) ===
	702
98.9	703
26.5	704	(((
2.2	705	Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
26.5	706	)))
2.2	707
26.5	708	(((
2.2	709	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	710	)))
2.2	711
26.5	712	(((
	713
	714	)))
2.2	715
26.5	716	(((
2.2	717	After Join success, the end node will switch to the correct sub band by:
26.5	718	)))
2.2	719
	720	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
98.4	721	* 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)
2.2	722
98.9	723
	724
26.5	725	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
	726
98.9	727
74.9	728	(((
26.7	729	(% style="color:blue" %)Default Uplink channel:
74.9	730	)))
2.2	731
74.9	732	(((
2.2	733	923.2 - SF7BW125 to SF10BW125
74.9	734	)))
2.2	735
74.9	736	(((
2.2	737	923.4 - SF7BW125 to SF10BW125
74.9	738	)))
2.2	739
74.9	740	(((
	741
	742	)))
2.2	743
74.9	744	(((
26.7	745	(% style="color:blue" %)Additional Uplink Channel:
74.9	746	)))
2.2	747
74.9	748	(((
2.2	749	(OTAA mode, channel added by JoinAccept message)
74.9	750	)))
2.2	751
74.9	752	(((
	753
	754	)))
2.2	755
74.9	756	(((
26.7	757	(% style="color:blue" %)AS920~~AS923 for Japan, Malaysia, Singapore:
74.9	758	)))
26.7	759
74.9	760	(((
2.2	761	922.2 - SF7BW125 to SF10BW125
74.9	762	)))
2.2	763
74.9	764	(((
2.2	765	922.4 - SF7BW125 to SF10BW125
74.9	766	)))
2.2	767
74.9	768	(((
2.2	769	922.6 - SF7BW125 to SF10BW125
74.9	770	)))
2.2	771
74.9	772	(((
2.2	773	922.8 - SF7BW125 to SF10BW125
74.9	774	)))
2.2	775
74.9	776	(((
2.2	777	923.0 - SF7BW125 to SF10BW125
74.9	778	)))
2.2	779
74.9	780	(((
2.2	781	922.0 - SF7BW125 to SF10BW125
74.9	782	)))
2.2	783
74.9	784	(((
	785
	786	)))
2.2	787
74.9	788	(((
26.7	789	(% style="color:blue" %)AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam:
74.9	790	)))
2.2	791
74.9	792	(((
2.2	793	923.6 - SF7BW125 to SF10BW125
74.9	794	)))
2.2	795
74.9	796	(((
2.2	797	923.8 - SF7BW125 to SF10BW125
74.9	798	)))
2.2	799
74.9	800	(((
2.2	801	924.0 - SF7BW125 to SF10BW125
74.9	802	)))
2.2	803
74.9	804	(((
2.2	805	924.2 - SF7BW125 to SF10BW125
74.9	806	)))
2.2	807
74.9	808	(((
2.2	809	924.4 - SF7BW125 to SF10BW125
74.9	810	)))
2.2	811
74.9	812	(((
2.2	813	924.6 - SF7BW125 to SF10BW125
74.9	814	)))
2.2	815
74.9	816	(((
	817
	818	)))
2.2	819
74.9	820	(((
26.7	821	(% style="color:blue" %)Downlink:
74.9	822	)))
2.2	823
74.9	824	(((
2.2	825	Uplink channels 1-8 (RX1)
74.9	826	)))
2.2	827
74.9	828	(((
2.2	829	923.2 - SF10BW125 (RX2)
74.9	830	)))
2.2	831
	832
	833
26.7	834	=== 2.8.6 KR920-923 (KR920) ===
2.2	835
98.9	836
74.12	837	(((
26.7	838	(% style="color:blue" %)Default channel:
74.12	839	)))
26.7	840
74.12	841	(((
2.2	842	922.1 - SF7BW125 to SF12BW125
74.12	843	)))
2.2	844
74.12	845	(((
2.2	846	922.3 - SF7BW125 to SF12BW125
74.12	847	)))
2.2	848
74.12	849	(((
2.2	850	922.5 - SF7BW125 to SF12BW125
74.12	851	)))
2.2	852
74.12	853	(((
	854
	855	)))
2.2	856
74.12	857	(((
26.7	858	(% style="color:blue" %)Uplink: (OTAA mode, channel added by JoinAccept message)
74.12	859	)))
2.2	860
74.12	861	(((
2.2	862	922.1 - SF7BW125 to SF12BW125
74.12	863	)))
2.2	864
74.12	865	(((
2.2	866	922.3 - SF7BW125 to SF12BW125
74.12	867	)))
2.2	868
74.12	869	(((
2.2	870	922.5 - SF7BW125 to SF12BW125
74.12	871	)))
2.2	872
74.12	873	(((
2.2	874	922.7 - SF7BW125 to SF12BW125
74.12	875	)))
2.2	876
74.12	877	(((
2.2	878	922.9 - SF7BW125 to SF12BW125
74.12	879	)))
2.2	880
74.12	881	(((
2.2	882	923.1 - SF7BW125 to SF12BW125
74.12	883	)))
2.2	884
74.12	885	(((
2.2	886	923.3 - SF7BW125 to SF12BW125
74.12	887	)))
2.2	888
74.12	889	(((
	890
	891	)))
2.2	892
74.12	893	(((
26.7	894	(% style="color:blue" %)Downlink:
74.12	895	)))
2.2	896
74.12	897	(((
2.2	898	Uplink channels 1-7(RX1)
74.12	899	)))
2.2	900
74.12	901	(((
2.2	902	921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
74.12	903	)))
2.2	904
	905
35.6	906
26.7	907	=== 2.8.7 IN865-867 (IN865) ===
2.2	908
98.9	909
74.13	910	(((
26.7	911	(% style="color:blue" %)Uplink:
74.13	912	)))
2.2	913
74.13	914	(((
2.2	915	865.0625 - SF7BW125 to SF12BW125
74.13	916	)))
2.2	917
74.13	918	(((
2.2	919	865.4025 - SF7BW125 to SF12BW125
74.13	920	)))
2.2	921
74.13	922	(((
2.2	923	865.9850 - SF7BW125 to SF12BW125
74.13	924	)))
2.2	925
74.13	926	(((
	927
	928	)))
2.2	929
74.13	930	(((
26.7	931	(% style="color:blue" %)Downlink:
74.13	932	)))
2.2	933
74.13	934	(((
2.2	935	Uplink channels 1-3 (RX1)
74.13	936	)))
2.2	937
74.13	938	(((
2.2	939	866.550 - SF10BW125 (RX2)
74.13	940	)))
2.2	941
	942
	943
26.7	944	== 2.9 LED Indicator ==
	945
98.9	946
2.2	947	The LSPH01 has an internal LED which is to show the status of different state.
	948
	949	* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
	950	* Blink once when device transmit a packet.
	951
98.9	952
	953
26.9	954	== 2.10 Firmware Change Log ==
2.2	955
26.15	956
98.9	957	Firmware download link: [[https:~~/~~/www.dropbox.com/sh/xtm5tw37mewaw99/AAD0uy06odmreQQ7vMzZYVIGa?dl=0>>https://www.dropbox.com/sh/xtm5tw37mewaw99/AAD0uy06odmreQQ7vMzZYVIGa?dl=0]]
2.2	958
	959
36.1	960	Firmware Upgrade Method: [[Firmware Upgrade Instruction>>path:/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
2.2	961
	962
	963
26.16	964	= 3. Configure LSPH01 via AT Command or LoRaWAN Downlink =
2.2	965
98.10	966
74.14	967	(((
2.2	968	Use can configure LSPH01 via AT Command or LoRaWAN Downlink.
74.14	969	)))
2.2	970
74.14	971	* (((
85.3	972	AT Command Connection: See [[FAQ>>\|\|anchor="H6.FAQ"]].
74.14	973	)))
	974	* (((
	975	LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>path:/xwiki/bin/view/Main/]]
	976	)))
2.2	977
74.14	978	(((
2.2	979	There are two kinds of commands to configure LSPH01, they are:
74.14	980	)))
2.2	981
74.14	982	* (((
	983	(% style="color:#4f81bd" %) General Commands.
	984	)))
2.2	985
74.14	986	(((
2.2	987	These commands are to configure:
74.14	988	)))
2.2	989
74.14	990	* (((
	991	General system settings like: uplink interval.
	992	)))
	993	* (((
	994	LoRaWAN protocol & radio related command.
	995	)))
2.2	996
74.14	997	(((
98.4	998	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	999	)))
2.2	1000
74.14	1001	(((
	1002
	1003	)))
2.2	1004
74.14	1005	* (((
	1006	(% style="color:#4f81bd" %) Commands special design for LSPH01
	1007	)))
2.2	1008
74.14	1009	(((
2.2	1010	These commands only valid for LSPH01, as below:
74.14	1011	)))
2.2	1012
	1013
	1014
27.2	1015	== 3.1 Set Transmit Interval Time ==
	1016
98.11	1017
2.2	1018	Feature: Change LoRaWAN End Node Transmit Interval.
	1019
27.2	1020	(% style="color:#037691" %)AT Command: AT+TDC
2.2	1021
65.2	1022	[[image:image-20220607171554-8.png]]
27.2	1023
2.2	1024
74.16	1025	(((
27.2	1026	(% style="color:#037691" %)Downlink Command: 0x01
74.16	1027	)))
2.2	1028
74.16	1029	(((
2.2	1030	Format: Command Code (0x01) followed by 3 bytes time value.
74.16	1031	)))
2.2	1032
74.15	1033	(((
2.2	1034	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	1035	)))
2.2	1036
74.16	1037	* (((
	1038	Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	1039	)))
	1040	* (((
	1041	Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
76.2	1042
	1043
98.11	1044
76.2	1045
74.16	1046	)))
2.2	1047
27.3	1048	== 3.2 Set Interrupt Mode ==
	1049
98.11	1050
2.2	1051	Feature, Set Interrupt mode for GPIO_EXIT.
	1052
27.3	1053	(% style="color:#037691" %)AT Command: AT+INTMOD
2.2	1054
86.2	1055	[[image:image-20220610105907-1.png]]
2.2	1056
	1057
74.16	1058	(((
27.3	1059	(% style="color:#037691" %)Downlink Command: 0x06
74.16	1060	)))
2.2	1061
74.16	1062	(((
2.2	1063	Format: Command Code (0x06) followed by 3 bytes.
74.16	1064	)))
2.2	1065
74.16	1066	(((
2.2	1067	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	1068	)))
2.2	1069
74.16	1070	* (((
	1071	Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
	1072	)))
	1073	* (((
	1074	Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
	1075	)))
2.2	1076
74.17	1077	(((
	1078
	1079	)))
	1080
	1081
98.11	1082
27.3	1083	== 3.3 Calibrate Sensor ==
	1084
98.11	1085
85.3	1086	Detail See [[Calibration Guide>>\|\|anchor="H2.7Calibration"]] for the user of 0x13 and 0x14 downlink commands
2.2	1087
	1088
	1089
28.3	1090	== 3.4 Get Firmware Version Info ==
	1091
98.11	1092
2.2	1093	Feature: use downlink to get firmware version.
	1094
27.3	1095	(% style="color:#037691" %)Downlink Command: 0x26
2.2	1096
67.2	1097	[[image:image-20220607171917-10.png]]
2.2	1098
	1099	* Reply to the confirmation package: 26 01
	1100	* Reply to non-confirmed packet: 26 00
	1101
	1102	Device will send an uplink after got this downlink command. With below payload:
	1103
	1104	Configures info payload:
	1105
29.4	1106	(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	1107	\|=(((
	1108	Size(bytes)
	1109	)))\|=1\|=1\|=1\|=1\|=1\|=5\|=1
2.2	1110	\|Value\|Software Type\|(((
	1111	Frequency
	1112
	1113	Band
	1114	)))\|Sub-band\|(((
	1115	Firmware
	1116
	1117	Version
	1118	)))\|Sensor Type\|Reserve\|(((
85.3	1119	[[Message Type>>\|\|anchor="H2.3.6MessageType"]]
2.2	1120	Always 0x02
	1121	)))
	1122
90.5	1123	(% style="color:#037691" %)Software Type(%%): Always 0x03 for LSPH01
2.2	1124
	1125
90.5	1126	(% style="color:#037691" %)Frequency Band:
2.2	1127
	1128	*0x01: EU868
	1129
	1130	*0x02: US915
	1131
	1132	*0x03: IN865
	1133
	1134	*0x04: AU915
	1135
	1136	*0x05: KZ865
	1137
	1138	*0x06: RU864
	1139
	1140	*0x07: AS923
	1141
	1142	*0x08: AS923-1
	1143
	1144	*0x09: AS923-2
	1145
	1146	*0xa0: AS923-3
	1147
	1148
90.5	1149	(% style="color:#037691" %)Sub-Band(%%): value 0x00 ~~ 0x08
2.2	1150
	1151
90.5	1152	(% style="color:#037691" %)Firmware Version(%%): 0x0100, Means: v1.0.0 version
2.2	1153
	1154
90.5	1155	(% style="color:#037691" %)Sensor Type:
2.2	1156
	1157	0x01: LSE01
	1158
	1159	0x02: LDDS75
	1160
	1161	0x03: LDDS20
	1162
	1163	0x04: LLMS01
	1164
	1165	0x05: LSPH01
	1166
	1167	0x06: LSNPK01
	1168
	1169	0x07: LDDS12
	1170
	1171
	1172
29.9	1173	= 4. Battery & How to replace =
2.2	1174
98.11	1175
29.9	1176	== 4.1 Battery Type ==
2.2	1177
98.11	1178
30.2	1179	(((
2.2	1180	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	1181	)))
2.2	1182
30.2	1183	(((
89.1	1184	The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
98.11	1185
	1186
30.2	1187	)))
2.2	1188
68.2	1189	[[image:1654593587246-335.png]]
2.2	1190
	1191
	1192	Minimum Working Voltage for the LSPH01:
	1193
	1194	LSPH01: 2.45v ~~ 3.6v
	1195
	1196
	1197
30.3	1198	== 4.2 Replace Battery ==
	1199
98.11	1200
30.5	1201	(((
2.2	1202	Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
30.5	1203	)))
2.2	1204
30.5	1205	(((
2.2	1206	And make sure the positive and negative pins match.
30.5	1207	)))
2.2	1208
	1209
	1210
30.4	1211	== 4.3 Power Consumption Analyze ==
2.2	1212
98.11	1213
30.5	1214	(((
2.2	1215	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	1216	)))
2.2	1217
30.5	1218	(((
2.2	1219	Instruction to use as below:
30.5	1220	)))
2.2	1221
	1222
92.3	1223	(% style="color:#037691" %)Step 1(%%): Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
2.2	1224
	1225	[[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/]]
	1226
	1227
90.5	1228	(% style="color:#037691" %)Step 2(%%): Open it and choose
2.2	1229
	1230	* Product Model
	1231	* Uplink Interval
	1232	* Working Mode
	1233
	1234	And the Life expectation in difference case will be shown on the right.
	1235
69.2	1236	[[image:1654593605679-189.png]]
2.2	1237
	1238
	1239	The battery related documents as below:
	1240
32.2	1241	* (((
89.1	1242	[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]],
2.2	1243	)))
32.2	1244	* (((
	1245	[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
	1246	)))
	1247	* (((
89.1	1248	[[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	1249	)))
2.2	1250
70.2	1251	[[image:image-20220607172042-11.png]]
2.2	1252
	1253
	1254
32.4	1255	=== 4.3.1 Battery Note ===
2.2	1256
98.11	1257
32.4	1258	(((
2.2	1259	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	1260	)))
2.2	1261
	1262
	1263
32.4	1264	=== 4.3.2 Replace the battery ===
	1265
98.11	1266
74.20	1267	(((
90.4	1268	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	1269	)))
2.2	1270
74.20	1271	(((
98.5	1272	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	1273	)))
2.2	1274
	1275
	1276
33.2	1277	= 5. Use AT Command =
2.2	1278
98.11	1279
33.2	1280	== 5.1 Access AT Commands ==
2.2	1281
98.11	1282
2.2	1283	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.
	1284
98.11	1285
72.2	1286	[[image:1654593668970-604.png]]
2.2	1287
98.11	1288
34.6	1289	Connection:
2.2	1290
34.2	1291	(% style="background-color:yellow" %) USB TTL GND <~-~-~-~-> GND
2.2	1292
34.2	1293	(% style="background-color:yellow" %) USB TTL TXD <~-~-~-~-> UART_RXD
2.2	1294
34.2	1295	(% style="background-color:yellow" %) USB TTL RXD <~-~-~-~-> UART_TXD
2.2	1296
	1297
74.21	1298	(((
34.6	1299	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	1300	)))
2.2	1301
	1302
72.2	1303	[[image:1654593712276-618.png]]
2.2	1304
85.3	1305	Valid AT Command please check [[Configure Device>>\|\|anchor="H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink"]].
2.2	1306
	1307
34.7	1308	= 6. FAQ =
2.2	1309
98.11	1310
34.7	1311	== 6.1 How to change the LoRa Frequency Bands/Region ==
	1312
98.11	1313
85.3	1314	You can follow the instructions for [[how to upgrade image>>\|\|anchor="H2.10200BFirmwareChangeLog"]].
2.2	1315	When downloading the images, choose the required image file for download.
	1316
	1317
98.11	1318
34.7	1319	= 7. Trouble Shooting =
2.2	1320
98.11	1321
90.2	1322	== 7.1 AT Commands input doesn't work ==
34.7	1323
98.11	1324
90.3	1325	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	1326
	1327
85.21	1328
34.9	1329	= 8. Order Info =
2.2	1330
98.11	1331
34.9	1332	Part Number: (% style="color:blue" %)LSPH01-XX
2.2	1333
	1334
34.9	1335	(% style="color:blue" %)XX(%%): The default frequency band
2.2	1336
34.13	1337	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
34.9	1338	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	1339	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	1340	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	1341	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	1342	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
34.13	1343	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
34.9	1344	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
2.2	1345
98.5	1346
34.9	1347	= 9. Packing Info =
	1348
	1349
2.2	1350	Package Includes:
	1351
	1352	* LSPH01 LoRaWAN Soil Ph Sensor x 1
	1353
	1354	Dimension and weight:
	1355
	1356	* Device Size: cm
	1357	* Device Weight: g
	1358	* Package Size / pcs : cm
	1359	* Weight / pcs : g
	1360
98.5	1361
2.4	1362	= 10. Support =
2.2	1363
98.11	1364
2.2	1365	* 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	1366	* 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	1367
72.3	1368

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

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