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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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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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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 ==
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132	132	* Smart Agriculture
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134	134
135		-
136	136	== 1.5 Pin mapping and power on ==
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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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323		-
324	324	=== 2.3.7 Decode payload in The Things Network ===
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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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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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357	357	[[image:1654592790040-760.png]]
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374	374	[[image:1654592856403-259.png]]
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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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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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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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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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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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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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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**
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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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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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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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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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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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620	620	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
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622	622	(% style="color:blue" %)**Default Uplink channel:**
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624	624	923.2 - SF7BW125 to SF10BW125
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626	626	923.4 - SF7BW125 to SF10BW125
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629	629	(% style="color:blue" %)**Additional Uplink Channel**:
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631	631	(OTAA mode, channel added by JoinAccept message)
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634	634	(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
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636	636	922.2 - SF7BW125 to SF10BW125
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638	638	922.4 - SF7BW125 to SF10BW125
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640	640	922.6 - SF7BW125 to SF10BW125
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642	642	922.8 - SF7BW125 to SF10BW125
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644	644	923.0 - SF7BW125 to SF10BW125
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646	646	922.0 - SF7BW125 to SF10BW125
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649	649	(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
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651	651	923.6 - SF7BW125 to SF10BW125
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653	653	923.8 - SF7BW125 to SF10BW125
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655	655	924.0 - SF7BW125 to SF10BW125
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657	657	924.2 - SF7BW125 to SF10BW125
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659	659	924.4 - SF7BW125 to SF10BW125
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661	661	924.6 - SF7BW125 to SF10BW125
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664	664	(% style="color:blue" %)**Downlink:**
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666	666	Uplink channels 1-8 (RX1)
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668	668	923.2 - SF10BW125 (RX2)
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793		-
794	794	== 3.2 Set Interrupt Mode ==
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796	796	Feature, Set Interrupt mode for GPIO_EXIT.
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809	809	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
810	810	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
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812		-
813	813	== 3.3 Calibrate Sensor ==
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815	815	Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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1049	1049	* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1050	1050	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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1053	1053	= 9. ​Packing Info =
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1064	1064	* Package Size / pcs : cm
1065	1065	* Weight / pcs : g
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1067		-
1068	1068	= 10. ​Support =
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1070	1070	* 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.