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70		-
71	71	= 1. Introduction =
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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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86	86	[[image:1654592435432-887.png]]
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104	104	* 8500mAh Battery for long term use
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108	108	== 1.3 Probe Specification ==
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126	126	* Length: 3.5 meters
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130	130	== 1.4 ​Applications ==
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132	132	* Smart Agriculture
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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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216	216	[[image:1654592697690-910.png]]
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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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226	226	Normal uplink payload:
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228	228	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
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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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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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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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382	382	[[image:1654592878525-845.png]]
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399	399	=== 2.6.1 Before measurement ===
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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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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" %)
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468	468	**Size**
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497	497	== 2.8 Frequency Plans ==
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549	549	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
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		-
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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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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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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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.