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edited by Xiaoling
on 2022/06/07 17:14
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68 68  
69 69  
70 70  
71 -
72 -
73 73  = 1. Introduction =
74 74  
75 75  == 1.1 ​What is LoRaWAN Soil pH Sensor ==
76 76  
75 +(((
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.
77 +)))
78 78  
79 +(((
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  
83 +(((
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  
87 +(((
83 83  LSPH01 is powered by (% style="color:#4f81bd" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
89 +)))
84 84  
91 +(((
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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106 106  * 8500mAh Battery for long term use
107 107  
108 108  
117 +
109 109  == 1.3 Probe Specification ==
110 110  
111 111  
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127 127  * Length: 3.5 meters
128 128  
129 129  
139 +
130 130  == 1.4 ​Applications ==
131 131  
132 132  * Smart Agriculture
133 133  
134 134  
145 +
135 135  == 1.5 Pin mapping and power on ==
136 136  
137 137  [[image:1654592472094-134.png]]
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210 210  [[image:image-20220607170442-2.png]]
211 211  
212 212  
224 +(((
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.
226 +)))
214 214  
215 215  [[image:1654592697690-910.png]]
216 216  
... ... @@ -218,11 +218,17 @@
218 218  
219 219  == 2.3 ​Uplink Payload ==
220 220  
234 +(((
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  
242 +(((
225 225  Normal uplink payload:
244 +)))
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  
328 +(((
309 309  For a normal uplink payload, the message type is always 0x01.
330 +)))
310 310  
332 +(((
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" %)
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319 319  
320 320  
321 321  
345 +
322 322  === 2.3.7 Decode payload in The Things Network ===
323 323  
324 324  While using TTN network, you can add the payload format to decode the payload.
... ... @@ -481,7 +481,6 @@
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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492 492  
493 493  
494 494  
518 +
495 495  == 2.8 Frequency Plans ==
496 496  
497 497  (((
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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  
550 550  
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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616 616  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
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)
618 618  
641 +
642 +
619 619  === 2.8.5 AS920-923 & AS923-925 (AS923) ===
620 620  
621 621  (% style="color:blue" %)**Default Uplink channel:**
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730 730  * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
731 731  * Blink once when device transmit a packet.
732 732  
757 +
758 +
733 733  == 2.10 ​Firmware Change Log ==
734 734  
735 735  
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773 773  
774 774  (% style="color:#037691" %)**AT Command: AT+TDC**
775 775  
802 +[[image:image-20220607171554-8.png]]
776 776  
777 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:710px" %)
778 -|(% style="width:154px" %)**Command Example**|(% style="width:223px" %)**Function**|(% style="width:330px" %)**Response**
779 -|(% style="width:154px" %)AT+TDC=?|(% style="width:223px" %)Show current transmit Interval|(% style="width:330px" %)(((
780 -30000
781 781  
782 -OK
783 783  
784 -the interval is 30000ms = 30s
785 -)))
786 -|(% style="width:154px" %)AT+TDC=60000|(% style="width:223px" %)Set Transmit Interval|(% style="width:330px" %)(((
787 -OK
788 -
789 -Set transmit interval to 60000ms = 60 seconds
790 -)))
791 -
792 792  (% style="color:#037691" %)**Downlink Command: 0x01**
793 793  
794 794  Format: Command Code (0x01) followed by 3 bytes time value.
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798 798  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
799 799  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
800 800  
815 +
816 +
817 +
801 801  == 3.2 Set Interrupt Mode ==
802 802  
803 803  Feature, Set Interrupt mode for GPIO_EXIT.
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804 804  
805 805  (% style="color:#037691" %)**AT Command: AT+INTMOD**
806 806  
807 -[[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"]]
824 +[[image:image-20220607171716-9.png]]
808 808  
809 809  
810 810  (% style="color:#037691" %)**Downlink Command: 0x06**
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816 816  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
817 817  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
818 818  
836 +
819 819  == 3.3 Calibrate Sensor ==
820 820  
821 821  Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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828 828  
829 829  (% style="color:#037691" %)**Downlink Command: 0x26**
830 830  
831 -[[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"]]
849 +[[image:image-20220607171917-10.png]]
832 832  
833 833  * Reply to the confirmation package: 26 01
834 834  * Reply to non-confirmed packet: 26 00
835 835  
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836 836  Device will send an uplink after got this downlink command. With below payload:
837 837  
838 838  Configures info payload:
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916 916  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
917 917  )))
918 918  
919 -[[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"]]
938 +[[image:1654593587246-335.png]]
920 920  
921 921  
922 922  Minimum Working Voltage for the LSPH01:
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961 961  
962 962  And the Life expectation in difference case will be shown on the right.
963 963  
964 -[[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"]]
983 +[[image:1654593605679-189.png]]
965 965  
966 966  
967 967  The battery related documents as below:
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976 976  [[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]]
977 977  )))
978 978  
979 -[[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"]]
998 +[[image:image-20220607172042-11.png]]
980 980  
981 981  
982 982  
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1002 1002  
1003 1003  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.
1004 1004  
1005 -[[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"]]
1024 +[[image:1654593668970-604.png]]
1006 1006  
1007 1007  **Connection:**
1008 1008  
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1016 1016  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:
1017 1017  
1018 1018  
1019 - [[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"]]
1038 + [[image:1654593712276-618.png]]
1020 1020  
1021 1021  Valid AT Command please check [[Configure Device>>path:#H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink]].
1022 1022  
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1055 1055  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1056 1056  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1057 1057  
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1058 1058  = 9. ​Packing Info =
1059 1059  
1060 1060  
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1069 1069  * Package Size / pcs : cm
1070 1070  * Weight / pcs : g
1071 1071  
1092 +
1072 1072  = 10. ​Support =
1073 1073  
1074 1074  * 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.
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