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67 67  
68 68  
69 69  
70 -
71 -
72 -
73 73  = 1. Introduction =
74 74  
75 75  == 1.1 ​What is LoRaWAN Soil pH Sensor ==
76 76  
74 +(((
77 77  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  
78 +(((
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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80 80  
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81 81  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  
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83 83  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  
90 +(((
85 85  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  
87 87  
88 88  [[image:1654592435432-887.png]]
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210 210  [[image:image-20220607170442-2.png]]
211 211  
212 212  
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213 213  (% 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  
215 215  [[image:1654592697690-910.png]]
216 216  
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218 218  
219 219  == 2.3 ​Uplink Payload ==
220 220  
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221 221  LSPH01 will uplink payload via LoRaWAN with below payload format: 
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222 222  
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223 223  Uplink payload includes in total 11 bytes.
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224 224  
238 +(((
225 225  Normal uplink payload:
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226 226  
227 227  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
228 228  |(((
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306 306  
307 307  === 2.3.6 Message Type ===
308 308  
324 +(((
309 309  For a normal uplink payload, the message type is always 0x01.
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310 310  
328 +(((
311 311  Valid Message Type:
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312 312  
313 313  
314 314  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
315 -|**Message Type Code**|**Description**|**Payload**
334 +|=**Message Type Code**|=**Description**|=**Payload**
316 316  |0x01|Normal Uplink|[[Normal Uplink Payload>>path:#H2.3200BUplinkPayload]]
317 317  |0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]]
318 318  |0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
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344 344  
345 345  == 2.5 ​Show Data in DataCake IoT Server ==
346 346  
366 +(((
347 347  [[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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348 348  
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349 349  
374 +(((
350 350  (% 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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351 351  
378 +(((
352 352  (% 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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353 353  
354 354  
355 355  [[image:1654592790040-760.png]]
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481 481  Always 0x03
482 482  )))
483 483  
484 -
485 485  User can also send 0x14 downlink command to poll the current calibration payload.
486 486  
487 487  [[image:image-20220607171416-7.jpeg]]
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547 547  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
548 548  * 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)
549 549  
550 -
551 -
552 -
553 553  === 2.8.3 CN470-510 (CN470) ===
554 554  
555 555  Used in China, Default use CHE=1
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617 617  * 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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619 619  
620 -
621 -
622 622  === 2.8.5 AS920-923 & AS923-925 (AS923) ===
623 623  
624 624  (% style="color:blue" %)**Default Uplink channel:**
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734 734  * Blink once when device transmit a packet.
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736 736  
737 -
738 -
739 739  == 2.10 ​Firmware Change Log ==
740 740  
741 741  
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779 779  
780 780  (% style="color:#037691" %)**AT Command: AT+TDC**
781 781  
802 +[[image:image-20220607171554-8.png]]
782 782  
783 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:710px" %)
784 -|(% style="width:154px" %)**Command Example**|(% style="width:223px" %)**Function**|(% style="width:330px" %)**Response**
785 -|(% style="width:154px" %)AT+TDC=?|(% style="width:223px" %)Show current transmit Interval|(% style="width:330px" %)(((
786 -30000
787 787  
788 -OK
789 789  
790 -the interval is 30000ms = 30s
791 -)))
792 -|(% style="width:154px" %)AT+TDC=60000|(% style="width:223px" %)Set Transmit Interval|(% style="width:330px" %)(((
793 -OK
794 -
795 -Set transmit interval to 60000ms = 60 seconds
796 -)))
797 -
798 798  (% style="color:#037691" %)**Downlink Command: 0x01**
799 799  
800 800  Format: Command Code (0x01) followed by 3 bytes time value.
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804 804  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
805 805  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
806 806  
815 +
816 +
807 807  == 3.2 Set Interrupt Mode ==
808 808  
809 809  Feature, Set Interrupt mode for GPIO_EXIT.
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810 810  
811 811  (% style="color:#037691" %)**AT Command: AT+INTMOD**
812 812  
813 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSPH01-LoRaWAN%20Soil%20pH%20Sensor%20User%20Manual/WebHome/image-20220607153759-6.png?rev=1.1||alt="image-20220607153759-6.png"]]
823 +[[image:image-20220607171716-9.png]]
814 814  
815 815  
816 816  (% style="color:#037691" %)**Downlink Command: 0x06**
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834 834  
835 835  (% style="color:#037691" %)**Downlink Command: 0x26**
836 836  
837 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSPH01-LoRaWAN%20Soil%20pH%20Sensor%20User%20Manual/WebHome/image-20220607154718-7.png?rev=1.1||alt="image-20220607154718-7.png"]]
847 +[[image:image-20220607171917-10.png]]
838 838  
839 839  * Reply to the confirmation package: 26 01
840 840  * Reply to non-confirmed packet: 26 00
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922 922  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
923 923  )))
924 924  
925 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSPH01-LoRaWAN%20Soil%20pH%20Sensor%20User%20Manual/WebHome/1654588469844-778.png?rev=1.1||alt="1654588469844-778.png"]]
935 +[[image:1654593587246-335.png]]
926 926  
927 927  
928 928  Minimum Working Voltage for the LSPH01:
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967 967  
968 968  And the Life expectation in difference case will be shown on the right.
969 969  
970 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSPH01-LoRaWAN%20Soil%20pH%20Sensor%20User%20Manual/WebHome/1654588577573-122.png?rev=1.1||alt="1654588577573-122.png"]]
980 +[[image:1654593605679-189.png]]
971 971  
972 972  
973 973  The battery related documents as below:
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982 982  [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
983 983  )))
984 984  
985 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSPH01-LoRaWAN%20Soil%20pH%20Sensor%20User%20Manual/WebHome/image-20220607155856-8.png?rev=1.1||alt="image-20220607155856-8.png"]]
995 +[[image:image-20220607172042-11.png]]
986 986  
987 987  
988 988  
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1008 1008  
1009 1009  LSPH01 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LSPH01 for using AT command, as below.
1010 1010  
1011 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSPH01-LoRaWAN%20Soil%20pH%20Sensor%20User%20Manual/WebHome/1654589001411-343.png?rev=1.1||alt="1654589001411-343.png"]]
1021 +[[image:1654593668970-604.png]]
1012 1012  
1013 1013  **Connection:**
1014 1014  
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1022 1022  In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LSPH01. LSPH01 will output system info once power on as below:
1023 1023  
1024 1024  
1025 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSPH01-LoRaWAN%20Soil%20pH%20Sensor%20User%20Manual/WebHome/1654589062541-567.png?rev=1.1||alt="1654589062541-567.png"]]
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1026 1026  
1027 1027  Valid AT Command please check [[Configure Device>>path:#H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink]].
1028 1028  
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