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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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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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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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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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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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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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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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461	461	[[image:image-20220607171149-4.png]]
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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" %)
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468	468	**Size**
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491	491	* Reply to the confirmation package: 14 01
492	492	* Reply to non-confirmed packet: 14 00
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494	494	== 2.8 Frequency Plans ==
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501	501	=== 2.8.1 EU863-870 (EU868) ===
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503	503	(% style="color:blue" %)**Uplink:**
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505	505	868.1 - SF7BW125 to SF12BW125
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507	507	868.3 - SF7BW125 to SF12BW125 and SF7BW250
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509	509	868.5 - SF7BW125 to SF12BW125
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511	511	867.1 - SF7BW125 to SF12BW125
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513	513	867.3 - SF7BW125 to SF12BW125
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515	515	867.5 - SF7BW125 to SF12BW125
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517	517	867.7 - SF7BW125 to SF12BW125
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519	519	867.9 - SF7BW125 to SF12BW125
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521	521	868.8 - FSK
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524	524	(% style="color:blue" %)**Downlink:**
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526	526	Uplink channels 1-9 (RX1)
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528	528	869.525 - SF9BW125 (RX2 downlink only)
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547	547	* 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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550	550	=== 2.8.3 CN470-510 (CN470) ===
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552	552	Used in China, Default use CHE=1
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616	616
617	617	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
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619	619	(% style="color:blue" %)**Default Uplink channel:**
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621	621	923.2 - SF7BW125 to SF10BW125
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623	623	923.4 - SF7BW125 to SF10BW125
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626	626	(% style="color:blue" %)**Additional Uplink Channel**:
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628	628	(OTAA mode, channel added by JoinAccept message)
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631	631	(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
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633	633	922.2 - SF7BW125 to SF10BW125
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635	635	922.4 - SF7BW125 to SF10BW125
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637	637	922.6 - SF7BW125 to SF10BW125
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639	639	922.8 - SF7BW125 to SF10BW125
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641	641	923.0 - SF7BW125 to SF10BW125
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643	643	922.0 - SF7BW125 to SF10BW125
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646	646	(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
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648	648	923.6 - SF7BW125 to SF10BW125
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650	650	923.8 - SF7BW125 to SF10BW125
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652	652	924.0 - SF7BW125 to SF10BW125
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654	654	924.2 - SF7BW125 to SF10BW125
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656	656	924.4 - SF7BW125 to SF10BW125
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658	658	924.6 - SF7BW125 to SF10BW125
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661	661	(% style="color:blue" %)**Downlink:**
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663	663	Uplink channels 1-8 (RX1)
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665	665	923.2 - SF10BW125 (RX2)
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785	785	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
786	786	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
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788	788	== 3.2 Set Interrupt Mode ==
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790	790	Feature, Set Interrupt mode for GPIO_EXIT.
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803	803	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
804	804	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
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806		-
807	807	== 3.3 Calibrate Sensor ==
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809	809	Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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1043	1043	* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1044	1044	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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1047	1047	= 9. ​Packing Info =
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1058	1058	* Package Size / pcs : cm
1059	1059	* Weight / pcs : g
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1062	1062	= 10. ​Support =
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1064	1064	* 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.