<
From version < 73.5 >
edited by Xiaoling
on 2022/06/07 17:28
To version < 73.13 >
edited by Xiaoling
on 2022/06/07 17:39
>
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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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76 76  
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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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78 78  
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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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82 82  
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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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84 84  
85 85  
86 86  [[image:1654592435432-887.png]]
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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 ==
495 495  
496 496  (((
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614 614  * 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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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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729 729  * Blink once when device transmit a packet.
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732 732  == 2.10 ​Firmware Change Log ==
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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 ==
789 789  
790 790  Feature, Set Interrupt mode for GPIO_EXIT.
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821 821  * Reply to the confirmation package: 26 01
822 822  * Reply to non-confirmed packet: 26 00
823 823  
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824 824  Device will send an uplink after got this downlink command. With below payload:
825 825  
826 826  Configures info payload:
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