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70	70	= 1. Introduction =
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72	72	== 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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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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83	83	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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87	87	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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91	91	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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95	95	[[image:1654592435432-887.png]]
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217	217	[[image:image-20220607170442-2.png]]
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221	221	(% 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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224	224	[[image:1654592697690-910.png]]
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228	228	== 2.3 ​Uplink Payload ==
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231	231	LSPH01 will uplink payload via LoRaWAN with below payload format:
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235	235	Uplink payload includes in total 11 bytes.
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239	239	Normal uplink payload:
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242	242	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
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322	322	=== 2.3.6 Message Type ===
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325	325	For a normal uplink payload, the message type is always 0x01.
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329	329	Valid Message Type:
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333	333	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
334		-|=**Message Type Code**|=**Description**|=**Payload**
	315	+|**Message Type Code**|**Description**|**Payload**
335	335	|0x01|Normal Uplink|[[Normal Uplink Payload>>path:#H2.3200BUplinkPayload]]
336	336	|0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]]
337	337	|0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
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364	364	== 2.5 ​Show Data in DataCake IoT Server ==
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367	367	[[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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375	375	(% 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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379	379	(% 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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383	383	[[image:1654592790040-760.png]]
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400	400	[[image:1654592856403-259.png]]
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404	404	(% style="color:blue" %)**Step 5**(%%)**: add payload decode**
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408	408	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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412	412	[[image:1654592878525-845.png]]
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513	513	Always 0x03
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516	516	User can also send 0x14 downlink command to poll the current calibration payload.
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518	518	[[image:image-20220607171416-7.jpeg]]
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578	578	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
579	579	* 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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581	581	=== 2.8.3 CN470-510 (CN470) ===
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583	583	Used in China, Default use CHE=1
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645	645	* 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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648	648	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
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650	650	(% style="color:blue" %)**Default Uplink channel:**
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760	760	* Blink once when device transmit a packet.
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763	763	== 2.10 ​Firmware Change Log ==
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836	836	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
837	837	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
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839	839	== 3.3 Calibrate Sensor ==
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841	841	Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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853	853	* Reply to the confirmation package: 26 01
854	854	* Reply to non-confirmed packet: 26 00
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856	856	Device will send an uplink after got this downlink command. With below payload:
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858	858	Configures info payload:
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1075	1075	* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1076	1076	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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1078	1078	= 9. ​Packing Info =
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