Last modified by Mengting Qiu on 2025/02/26 15:04
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From version < 74.4 >
edited by Xiaoling
on 2022/06/07 17:48
To version < 70.2 >
edited by Xiaoling
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70 70  = 1. Introduction =
71 71  
72 72  == 1.1 ​What is LoRaWAN Soil pH Sensor ==
73 73  
74 -(((
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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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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83 83  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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85 85  
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87 87  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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89 89  
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91 91  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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93 93  
94 94  
95 95  [[image:1654592435432-887.png]]
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217 217  [[image:image-20220607170442-2.png]]
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221 221  (% 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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223 223  
224 224  [[image:1654592697690-910.png]]
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227 227  
228 228  == 2.3 ​Uplink Payload ==
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231 231  LSPH01 will uplink payload via LoRaWAN with below payload format: 
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233 233  
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235 235  Uplink payload includes in total 11 bytes.
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237 237  
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239 239  Normal uplink payload:
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241 241  
242 242  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
243 243  |(((
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321 321  
322 322  === 2.3.6 Message Type ===
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325 325  For a normal uplink payload, the message type is always 0x01.
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327 327  
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329 329  Valid Message Type:
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331 331  
332 332  
333 333  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
334 -|=**Message Type Code**|=**Description**|=**Payload**
315 +|**Message Type Code**|**Description**|**Payload**
335 335  |0x01|Normal Uplink|[[Normal Uplink Payload>>path:#H2.3200BUplinkPayload]]
336 336  |0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]]
337 337  |0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
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363 363  
364 364  == 2.5 ​Show Data in DataCake IoT Server ==
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367 367  [[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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375 375  (% 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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379 379  (% 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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381 381  
382 382  
383 383  [[image:1654592790040-760.png]]
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400 400  [[image:1654592856403-259.png]]
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404 404  (% style="color:blue" %)**Step 5**(%%)**: add payload decode**
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408 408  Download Datacake decoder from: [[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/LSPH01/Decoder/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSNPK01/Decoder/]]
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410 410  
411 411  
412 412  [[image:1654592878525-845.png]]
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429 429  === 2.6.1 Before measurement ===
430 430  
431 431  (((
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433 433  If the LSPH01 has more than 7 days not use or just clean the pH probe. User should put the probe inside pure water for more than 24 hours for activation. If no put in water, user need to put inside soil for more than 24 hours to ensure the measurement accuracy. 
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439 439  === 2.6.2 Measurement ===
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443 443  (% style="color:#4f81bd" %)**Measurement the soil surface:**
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447 447  [[image:1654592946732-634.png]]
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451 451  Choose the proper measuring position. Split the surface soil according to the measured deep.
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455 455  Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
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459 459  Slowly insert the probe to the measure point. Don’t use large force which will break the probe. Make sure not shake when inserting.
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463 463  Put soil over the probe after insert. And start to measure.
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471 471  (% style="color:#4f81bd" %)**Measurement inside soil:**
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475 475  Dig a hole with diameter > 20CM.
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479 479  Insert the probe inside, method like measure the surface.
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536 536  Always 0x03
537 537  )))
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539 539  User can also send 0x14 downlink command to poll the current calibration payload.
540 540  
541 541  [[image:image-20220607171416-7.jpeg]]
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601 601  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
602 602  * 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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604 604  === 2.8.3 CN470-510 (CN470) ===
605 605  
606 606  Used in China, Default use CHE=1
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668 668  * 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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671 671  === 2.8.5 AS920-923 & AS923-925 (AS923) ===
672 672  
673 673  (% style="color:blue" %)**Default Uplink channel:**
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783 783  * Blink once when device transmit a packet.
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786 786  == 2.10 ​Firmware Change Log ==
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859 859  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
860 860  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
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862 862  == 3.3 Calibrate Sensor ==
863 863  
864 864  Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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876 876  * Reply to the confirmation package: 26 01
877 877  * Reply to non-confirmed packet: 26 00
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879 879  Device will send an uplink after got this downlink command. With below payload:
880 880  
881 881  Configures info payload:
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1045 1045  
1046 1046  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.
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1048 -[[image:1654593668970-604.png]]
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"]]
1049 1049  
1050 1050  **Connection:**
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1059 1059  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:
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1062 - [[image:1654593712276-618.png]]
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"]]
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1064 1064  Valid AT Command please check [[Configure Device>>path:#H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink]].
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1117 1117  * 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.
1118 1118  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].
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