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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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109		-
110	110	== 1.3 Probe Specification ==
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127	127	* IP68 Protection
128	128	* 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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134	134	== 1.5 Pin mapping and power on ==
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136	136	[[image:1654592472094-134.png]]
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209	209	[[image:image-20220607170442-2.png]]
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212	212	(% 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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214	214	[[image:1654592697690-910.png]]
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218	218	== 2.3 ​Uplink Payload ==
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220	220	LSPH01 will uplink payload via LoRaWAN with below payload format:
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222	222	Uplink payload includes in total 11 bytes.
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224	224	Normal uplink payload:
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226	226	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
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306	306	=== 2.3.6 Message Type ===
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308	308	For a normal uplink payload, the message type is always 0x01.
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310	310	Valid Message Type:
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313	313	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
314		-|**Message Type Code**|**Description**|**Payload**
	338	+|=**Message Type Code**|=**Description**|=**Payload**
315	315	|0x01|Normal Uplink|[[Normal Uplink Payload>>path:#H2.3200BUplinkPayload]]
316	316	|0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]]
317	317	|0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
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320	320	=== 2.3.7 Decode payload in The Things Network ===
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322	322	While using TTN network, you can add the payload format to decode the payload.
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488	488	* Reply to non-confirmed packet: 14 00
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491	491	== 2.8 Frequency Plans ==
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544	544	* 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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547		-
548	548	=== 2.8.3 CN470-510 (CN470) ===
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550	550	Used in China, Default use CHE=1
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786	786	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
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789	789	== 3.2 Set Interrupt Mode ==
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791	791	Feature, Set Interrupt mode for GPIO_EXIT.
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805	805	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
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809	809	== 3.3 Calibrate Sensor ==
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811	811	Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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823	823	* Reply to the confirmation package: 26 01
824	824	* Reply to non-confirmed packet: 26 00
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826	826	Device will send an uplink after got this downlink command. With below payload:
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828	828	Configures info payload:
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1046	1046	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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1050	1050	= 9. ​Packing Info =
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1062	1062	* Weight / pcs : g
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1066	1066	= 10. ​Support =
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1068	1068	* 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.