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70		-
71		-
72		-
73	73	= 1. Introduction =
74	74
75	75	== 1.1 ​What is LoRaWAN Soil pH Sensor ==
76	76
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77	77	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.
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78	78
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79	79	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.
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80	80
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81	81	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.
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82	82
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83	83	LSPH01 is powered by (% style="color:#4f81bd" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
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84	84
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85	85	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.
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86	86
87	87
88	88	[[image:1654592435432-887.png]]
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210	210	[[image:image-20220607170442-2.png]]
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213	213	(% 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.
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214	214
215	215	[[image:1654592697690-910.png]]
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218	218
219	219	== 2.3 ​Uplink Payload ==
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221	221	LSPH01 will uplink payload via LoRaWAN with below payload format:
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222	222
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223	223	Uplink payload includes in total 11 bytes.
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224	224
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225	225	Normal uplink payload:
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226	226
227	227	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
228	228	|(((
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306	306
307	307	=== 2.3.6 Message Type ===
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309	309	For a normal uplink payload, the message type is always 0x01.
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310	310
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311	311	Valid Message Type:
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312	312
313	313
314	314	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
315		-|**Message Type Code**|**Description**|**Payload**
	334	+|=**Message Type Code**|=**Description**|=**Payload**
316	316	|0x01|Normal Uplink|[[Normal Uplink Payload>>path:#H2.3200BUplinkPayload]]
317	317	|0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]]
318	318	|0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
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344	344
345	345	== 2.5 ​Show Data in DataCake IoT Server ==
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347	347	[[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:
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349	349
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350	350	(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
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351	351
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352	352	(% 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:**
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354	354
355	355	[[image:1654592790040-760.png]]
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372	372	[[image:1654592856403-259.png]]
373	373
374	374
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375	375	(% style="color:blue" %)**Step 5**(%%)**: add payload decode**
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377	377	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/]]
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378	378
379	379
380	380	[[image:1654592878525-845.png]]
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397	397	=== 2.6.1 Before measurement ===
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399	399	(((
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400	400	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.
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405	405	=== 2.6.2 Measurement ===
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407	407
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408	408	(% style="color:#4f81bd" %)**Measurement the soil surface:**
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410	410	[[image:1654592946732-634.png]]
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411	411
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412	412	Choose the proper measuring position. Split the surface soil according to the measured deep.
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413	413
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414	414	Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
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415	415
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416	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.
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417	417
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418	418	Put soil over the probe after insert. And start to measure.
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419	419
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420	420
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421	421	(% style="color:#4f81bd" %)**Measurement inside soil:**
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422	422
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423	423	Dig a hole with diameter > 20CM.
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424	424
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425	425	Insert the probe inside, method like measure the surface.
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452	452
453	453	== 2.7 Calibration ==
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455	455	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).
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456	456
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457	457	After stable, user can use below command to calibrate.
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458	458
459	459	[[image:image-20220607171149-4.png]]
460	460
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461	461
462	462	(% style="color:#037691" %)**Calibration Payload**
463	463
464		-(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
	523	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
465	465	|(((
466	466	**Size**
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481	481	Always 0x03
482	482	)))
483	483
484		-
485	485	User can also send 0x14 downlink command to poll the current calibration payload.
486	486
487	487	[[image:image-20220607171416-7.jpeg]]
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501	501
502	502	=== 2.8.1 EU863-870 (EU868) ===
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504	504	(% style="color:blue" %)**Uplink:**
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505	505
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506	506	868.1 - SF7BW125 to SF12BW125
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507	507
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508	508	868.3 - SF7BW125 to SF12BW125 and SF7BW250
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509	509
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510	510	868.5 - SF7BW125 to SF12BW125
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511	511
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512	512	867.1 - SF7BW125 to SF12BW125
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513	513
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514	514	867.3 - SF7BW125 to SF12BW125
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515	515
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516	516	867.5 - SF7BW125 to SF12BW125
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517	517
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518	518	867.7 - SF7BW125 to SF12BW125
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519	519
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520	520	867.9 - SF7BW125 to SF12BW125
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522	522	868.8 - FSK
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525	525	(% style="color:blue" %)**Downlink:**
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526	526
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527	527	Uplink channels 1-9 (RX1)
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528	528
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529	529	869.525 - SF9BW125 (RX2 downlink only)
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552	552
553	553	=== 2.8.3 CN470-510 (CN470) ===
554	554
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555	555	Used in China, Default use CHE=1
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556	556
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557	557	(% style="color:blue" %)**Uplink:**
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558	558
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559	559	486.3 - SF7BW125 to SF12BW125
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561	561	486.5 - SF7BW125 to SF12BW125
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562	562
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563	563	486.7 - SF7BW125 to SF12BW125
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565	565	486.9 - SF7BW125 to SF12BW125
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567	567	487.1 - SF7BW125 to SF12BW125
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569	569	487.3 - SF7BW125 to SF12BW125
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571	571	487.5 - SF7BW125 to SF12BW125
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572	572
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573	573	487.7 - SF7BW125 to SF12BW125
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575	575
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576	576	(% style="color:blue" %)**Downlink:**
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578	578	506.7 - SF7BW125 to SF12BW125
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580	580	506.9 - SF7BW125 to SF12BW125
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582	582	507.1 - SF7BW125 to SF12BW125
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584	584	507.3 - SF7BW125 to SF12BW125
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586	586	507.5 - SF7BW125 to SF12BW125
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588	588	507.7 - SF7BW125 to SF12BW125
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590	590	507.9 - SF7BW125 to SF12BW125
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592	592	508.1 - SF7BW125 to SF12BW125
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594	594	505.3 - SF12BW125 (RX2 downlink only)
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617	617	* 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)
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619	619
620		-
621		-
622	622	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
623	623
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624	624	(% style="color:blue" %)**Default Uplink channel:**
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625	625
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626	626	923.2 - SF7BW125 to SF10BW125
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628	628	923.4 - SF7BW125 to SF10BW125
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631	631	(% style="color:blue" %)**Additional Uplink Channel**:
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633	633	(OTAA mode, channel added by JoinAccept message)
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636	636	(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
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638	638	922.2 - SF7BW125 to SF10BW125
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640	640	922.4 - SF7BW125 to SF10BW125
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642	642	922.6 - SF7BW125 to SF10BW125
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644	644	922.8 - SF7BW125 to SF10BW125
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646	646	923.0 - SF7BW125 to SF10BW125
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648	648	922.0 - SF7BW125 to SF10BW125
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651	651	(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
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653	653	923.6 - SF7BW125 to SF10BW125
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655	655	923.8 - SF7BW125 to SF10BW125
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657	657	924.0 - SF7BW125 to SF10BW125
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659	659	924.2 - SF7BW125 to SF10BW125
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661	661	924.4 - SF7BW125 to SF10BW125
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663	663	924.6 - SF7BW125 to SF10BW125
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665	665
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666	666	(% style="color:blue" %)**Downlink:**
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667	667
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668	668	Uplink channels 1-8 (RX1)
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670	670	923.2 - SF10BW125 (RX2)
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671	671
672	672
673	673
674	674	=== 2.8.6 KR920-923 (KR920) ===
675	675
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676	676	(% style="color:blue" %)**Default channel:**
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678	678	922.1 - SF7BW125 to SF12BW125
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680	680	922.3 - SF7BW125 to SF12BW125
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682	682	922.5 - SF7BW125 to SF12BW125
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684	684
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685	685	(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
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686	686
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687	687	922.1 - SF7BW125 to SF12BW125
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688	688
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689	689	922.3 - SF7BW125 to SF12BW125
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690	690
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691	691	922.5 - SF7BW125 to SF12BW125
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692	692
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693	693	922.7 - SF7BW125 to SF12BW125
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695	695	922.9 - SF7BW125 to SF12BW125
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697	697	923.1 - SF7BW125 to SF12BW125
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699	699	923.3 - SF7BW125 to SF12BW125
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701	701
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702	702	(% style="color:blue" %)**Downlink:**
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703	703
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704	704	Uplink channels 1-7(RX1)
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705	705
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706	706	921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
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734	734	* Blink once when device transmit a packet.
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736	736
737		-
738		-
739	739	== 2.10 ​Firmware Change Log ==
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812	812	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
813	813	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
814	814
815		-
816		-
817		-
818	818	== 3.3 Calibrate Sensor ==
819	819
820	820	Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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832	832	* Reply to the confirmation package: 26 01
833	833	* Reply to non-confirmed packet: 26 00
834	834
835		-
836	836	Device will send an uplink after got this downlink command. With below payload:
837	837
838	838	Configures info payload:
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1055	1055	* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1056	1056	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1057	1057
1058		-
1059		-
1060		-
1061	1061	= 9. ​Packing Info =
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1063	1063
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1072	1072	* Package Size / pcs : cm
1073	1073	* Weight / pcs : g
1074	1074
1075		-
1076		-
1077		-
1078	1078	= 10. ​Support =
1079	1079
1080	1080	* 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.