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71		-
72	72	= 1. Introduction =
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74	74	== 1.1 ​What is LoRaWAN Soil pH Sensor ==
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76	76	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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78	78	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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80	80	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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82	82	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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84	84	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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87	87	[[image:1654592435432-887.png]]
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110	110	== 1.3 Probe Specification ==
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133	133	== 1.4 ​Applications ==
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135	135	* Smart Agriculture
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137	137	== 1.5 Pin mapping and power on ==
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139	139	[[image:1654592472094-134.png]]
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212	212	[[image:image-20220607170442-2.png]]
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215	215	(% 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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217	217	[[image:1654592697690-910.png]]
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221	221	== 2.3 ​Uplink Payload ==
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223	223	LSPH01 will uplink payload via LoRaWAN with below payload format:
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225	225	Uplink payload includes in total 11 bytes.
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227	227	Normal uplink payload:
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229	229	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
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309	309	=== 2.3.6 Message Type ===
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311	311	For a normal uplink payload, the message type is always 0x01.
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313	313	Valid Message Type:
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316	316	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
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320	320	|0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
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323	323	=== 2.3.7 Decode payload in The Things Network ===
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325	325	While using TTN network, you can add the payload format to decode the payload.
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491	491	* Reply to non-confirmed packet: 14 00
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494	494	== 2.8 Frequency Plans ==
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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		-
551	551	=== 2.8.3 CN470-510 (CN470) ===
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553	553	Used in China, Default use CHE=1
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789	789	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
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792	792	== 3.2 Set Interrupt Mode ==
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794	794	Feature, Set Interrupt mode for GPIO_EXIT.
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808	808	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
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812	812	== 3.3 Calibrate Sensor ==
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814	814	Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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826	826	* Reply to the confirmation package: 26 01
827	827	* Reply to non-confirmed packet: 26 00
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829	829	Device will send an uplink after got this downlink command. With below payload:
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831	831	Configures info payload:
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1049	1049	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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1053	1053	= 9. ​Packing Info =
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1065	1065	* Weight / pcs : g
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1069	1069	= 10. ​Support =
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1071	1071	* 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.