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67	67
68	68
69	69
70		-
71	71	= 1. Introduction =
72	72
73	73	== 1.1 ​What is LoRaWAN Soil pH Sensor ==
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75	75	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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77	77	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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79	79	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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80	80
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81	81	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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82	82
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83	83	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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84	84
85	85
86	86	[[image:1654592435432-887.png]]
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104	104	* 8500mAh Battery for long term use
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106	106
107		-
108	108	== 1.3 Probe Specification ==
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126	126	* Length: 3.5 meters
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128	128
129		-
130	130	== 1.4 ​Applications ==
131	131
132	132	* Smart Agriculture
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134	134
135		-
136	136	== 1.5 Pin mapping and power on ==
137	137
138	138	[[image:1654592472094-134.png]]
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211	211	[[image:image-20220607170442-2.png]]
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214	214	(% 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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215	215
216	216	[[image:1654592697690-910.png]]
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219	219
220	220	== 2.3 ​Uplink Payload ==
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222	222	LSPH01 will uplink payload via LoRaWAN with below payload format:
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223	223
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224	224	Uplink payload includes in total 11 bytes.
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225	225
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226	226	Normal uplink payload:
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227	227
228	228	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
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307	307
308	308	=== 2.3.6 Message Type ===
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310	310	For a normal uplink payload, the message type is always 0x01.
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311	311
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312	312	Valid Message Type:
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313	313
314	314
315	315	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
316		-|**Message Type Code**|**Description**|**Payload**
	334	+|=**Message Type Code**|=**Description**|=**Payload**
317	317	|0x01|Normal Uplink|[[Normal Uplink Payload>>path:#H2.3200BUplinkPayload]]
318	318	|0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]]
319	319	|0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
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321	321
322	322
323		-
324	324	=== 2.3.7 Decode payload in The Things Network ===
325	325
326	326	While using TTN network, you can add the payload format to decode the payload.
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346	346
347	347	== 2.5 ​Show Data in DataCake IoT Server ==
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349	349	[[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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352	352	(% 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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353	353
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354	354	(% 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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356	356
357	357	[[image:1654592790040-760.png]]
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374	374	[[image:1654592856403-259.png]]
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376	376
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377	377	(% style="color:blue" %)**Step 5**(%%)**: add payload decode**
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379	379	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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380	380
381	381
382	382	[[image:1654592878525-845.png]]
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399	399	=== 2.6.1 Before measurement ===
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401	401	(((
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402	402	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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407	407	=== 2.6.2 Measurement ===
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409	409
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410	410	(% style="color:#4f81bd" %)**Measurement the soil surface:**
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412	412	[[image:1654592946732-634.png]]
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413	413
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414	414	Choose the proper measuring position. Split the surface soil according to the measured deep.
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415	415
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416	416	Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
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417	417
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418	418	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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420	420	Put soil over the probe after insert. And start to measure.
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422	422
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423	423	(% style="color:#4f81bd" %)**Measurement inside soil:**
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424	424
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425	425	Dig a hole with diameter > 20CM.
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426	426
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427	427	Insert the probe inside, method like measure the surface.
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454	454
455	455	== 2.7 Calibration ==
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457	457	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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458	458
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459	459	After stable, user can use below command to calibrate.
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460	460
461	461	[[image:image-20220607171149-4.png]]
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463	463
464	464	(% style="color:#037691" %)**Calibration Payload**
465	465
466		-(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
	523	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
467	467	|(((
468	468	**Size**
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494	494
495	495
496		-
497	497	== 2.8 Frequency Plans ==
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503	503
504	504	=== 2.8.1 EU863-870 (EU868) ===
505	505
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506	506	(% style="color:blue" %)**Uplink:**
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507	507
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508	508	868.1 - SF7BW125 to SF12BW125
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510	510	868.3 - SF7BW125 to SF12BW125 and SF7BW250
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512	512	868.5 - SF7BW125 to SF12BW125
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514	514	867.1 - SF7BW125 to SF12BW125
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516	516	867.3 - SF7BW125 to SF12BW125
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518	518	867.5 - SF7BW125 to SF12BW125
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520	520	867.7 - SF7BW125 to SF12BW125
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522	522	867.9 - SF7BW125 to SF12BW125
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524	524	868.8 - FSK
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527	527	(% style="color:blue" %)**Downlink:**
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529	529	Uplink channels 1-9 (RX1)
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531	531	869.525 - SF9BW125 (RX2 downlink only)
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550	550	* 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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552	552
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553	553	=== 2.8.3 CN470-510 (CN470) ===
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555	555	Used in China, Default use CHE=1
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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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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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573	573	487.7 - SF7BW125 to SF12BW125
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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	621	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
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623	623	(% style="color:blue" %)**Default Uplink channel:**
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625	625	923.2 - SF7BW125 to SF10BW125
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627	627	923.4 - SF7BW125 to SF10BW125
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630	630	(% style="color:blue" %)**Additional Uplink Channel**:
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632	632	(OTAA mode, channel added by JoinAccept message)
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635	635	(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
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637	637	922.2 - SF7BW125 to SF10BW125
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639	639	922.4 - SF7BW125 to SF10BW125
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641	641	922.6 - SF7BW125 to SF10BW125
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643	643	922.8 - SF7BW125 to SF10BW125
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645	645	923.0 - SF7BW125 to SF10BW125
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647	647	922.0 - SF7BW125 to SF10BW125
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650	650	(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
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652	652	923.6 - SF7BW125 to SF10BW125
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654	654	923.8 - SF7BW125 to SF10BW125
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656	656	924.0 - SF7BW125 to SF10BW125
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658	658	924.2 - SF7BW125 to SF10BW125
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660	660	924.4 - SF7BW125 to SF10BW125
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662	662	924.6 - SF7BW125 to SF10BW125
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665	665	(% style="color:blue" %)**Downlink:**
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667	667	Uplink channels 1-8 (RX1)
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669	669	923.2 - SF10BW125 (RX2)
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794		-
795	795	== 3.2 Set Interrupt Mode ==
796	796
797	797	Feature, Set Interrupt mode for GPIO_EXIT.
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810	810	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
811	811	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
812	812
813		-
814	814	== 3.3 Calibrate Sensor ==
815	815
816	816	Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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828	828	* Reply to the confirmation package: 26 01
829	829	* Reply to non-confirmed packet: 26 00
830	830
831		-
832	832	Device will send an uplink after got this downlink command. With below payload:
833	833
834	834	Configures info payload:
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1051	1051	* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1052	1052	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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1054		-
1055	1055	= 9. ​Packing Info =
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1057	1057
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1066	1066	* Package Size / pcs : cm
1067	1067	* Weight / pcs : g
1068	1068
1069		-
1070	1070	= 10. ​Support =
1071	1071
1072	1072	* 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.