Changes for page LSPH01 -- LoRaWAN Soil pH Sensor User Manual

Last modified by Xiaoling on 2025/04/25 14:08

From version < 98.14 >

edited by Xiaoling
on 2022/10/27 13:44

To version < 98.8 >

edited by Xiaoling
on 2022/08/18 16:29

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  **Table of Contents:**
  {{toc/}}
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  = 1. Introduction =
  == 1.1 What is LoRaWAN Soil pH Sensor ==
--
  (((
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  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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  == 1.2 Features ==
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  == 1.3 Probe Specification ==
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  == 1.4 Applications ==
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  * Smart Agriculture
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  == 1.5 Pin mapping and power on ==
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  Normal uplink payload:
  )))
--(% border="1" cellspacing="5" style="background-color:#ffffcc; width:490px" %)
--|=(% style="width: 60px;" %)(((
--**Size (bytes)**)))|=(% style="width: 30px;" %)**2**|=(% style="width: 70px;" %)**2**|=(% style="width: 50px;" %)**2**|=(% style="width: 60px;" %)**2**|=(% style="width: 70px;" %)**1**|=(% style="width: 50px;" %)**1**|=(% style="width: 80px;" %)**1**
++(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
++|=(% style="width: 62.5px;" %)(((
++**Size (bytes)**
++)))|=(% style="width: 62.5px;" %)**2**|=(% style="width: 62.5px;" %)**2**|=**2**|=**2**|=**1**|=**1**|=**1**
  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
--[[Temperature (Optional)>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
++[[Temperature>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
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++[[(Optional)>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
  )))|[[Soil pH>>||anchor="H2.3.3SoilpH"]]|[[Soil Temperature>>||anchor="H2.3.4SoilTemperature"]]|(((
  [[Digital Interrupt (Optional)>>||anchor="H2.3.5InterruptPin"]]
  )))|Reserve|(((
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  === 2.3.7 Decode payload in The Things Network ===
  While using TTN network, you can add the payload format to decode the payload.
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  )))
  (((
--LSPH01 TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
++LSPH01 TTN Payload Decoder:  [[https:~~/~~/www.dropbox.com/sh/pj7cgmgqg3gx3ta/AABYFbg1DVOOR9Hmr1mLSBkga?dl=0>>https://www.dropbox.com/sh/pj7cgmgqg3gx3ta/AABYFbg1DVOOR9Hmr1mLSBkga?dl=0]]
  )))
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  == 2.7 Calibration ==
--
  (((
  User can do calibration for the probe. It is limited to use below pH buffer solution to calibrate: 4.00, 6.86, 9.18. When calibration, user need to clean the electrode and put the probe in the pH buffer solution to wait the value stable ( a new clean electrode might need max 24 hours to be stable).
  )))
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  == 2.8 Frequency Plans ==
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  (((
  The LSPH01 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
  )))
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  === 2.8.1 EU863-870 (EU868) ===
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  (((
  (% style="color:blue" %)**Uplink:**
  )))
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  === 2.8.2 US902-928(US915) ===
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  Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
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  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
  * 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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  === 2.8.3 CN470-510 (CN470) ===
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  Used in China, Default use CHE=1
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  === 2.8.4 AU915-928(AU915) ===
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  Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
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  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
  * 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)
--
--
  === 2.8.5 AS920-923 & AS923-925 (AS923) ===
--
  (((
  (% style="color:blue" %)**Default Uplink channel:**
  )))
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  === 2.8.6 KR920-923 (KR920) ===
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  (((
  (% style="color:blue" %)**Default channel:**
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  === 2.8.7 IN865-867 (IN865) ===
--
  (((
  (% style="color:blue" %)**Uplink:**
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  == 2.9 LED Indicator ==
--
  The LSPH01 has an internal LED which is to show the status of different state.
  * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
  * Blink once when device transmit a packet.
--
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  == 2.10 Firmware Change Log ==
--**Firmware download link: **[[https:~~/~~/www.dropbox.com/sh/xtm5tw37mewaw99/AAD0uy06odmreQQ7vMzZYVIGa?dl=0>>https://www.dropbox.com/sh/xtm5tw37mewaw99/AAD0uy06odmreQQ7vMzZYVIGa?dl=0]]
++**Firmware download link:**
++[[http:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/LSPH01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
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  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>path:/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
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  = 3. Configure LSPH01 via AT Command or LoRaWAN Downlink =
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  (((
  Use can configure LSPH01 via AT Command or LoRaWAN Downlink.
  )))
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  == 3.1 Set Transmit Interval Time ==
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  Feature: Change LoRaWAN End Node Transmit Interval.
  (% style="color:#037691" %)**AT Command: AT+TDC**
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  Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
--
  )))
  == 3.2 Set Interrupt Mode ==
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  Feature, Set Interrupt mode for GPIO_EXIT.
  (% style="color:#037691" %)**AT Command: AT+INTMOD**
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  )))
--
  == 3.3 Calibrate Sensor ==
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  Detail See [[Calibration Guide>>||anchor="H2.7Calibration"]] for the user of 0x13 and 0x14 downlink commands
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  == 3.4 Get Firmware Version Info ==
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  Feature: use downlink to get firmware version.
  (% style="color:#037691" %)**Downlink Command: 0x26**
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  = 4. Battery & How to replace =
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  == 4.1 Battery Type ==
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  (((
  LSPH01 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
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  The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
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  [[image:1654593587246-335.png]]
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  == 4.2 Replace Battery ==
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  Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
  )))
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  == 4.3 Power Consumption Analyze ==
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  Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
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  === 4.3.1 Battery Note ===
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  The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
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  === 4.3.2 Replace the battery ===
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  You can change the battery in the LSPH01.The type of battery is not limited as long as the output is between 3v to 3.6v.  On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
  )))
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  = 5. Use AT Command =
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  == 5.1 Access AT Commands ==
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  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.
--
  [[image:1654593668970-604.png]]
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  **Connection:**
  (% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
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  = 6. FAQ =
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  == 6.1 How to change the LoRa Frequency Bands/Region ==
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  You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]].
  When downloading the images, choose the required image file for download.
--
  = 7. Trouble Shooting =
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  == 7.1 AT Commands input doesn't work ==
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  In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
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  = 8. Order Info =
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  Part Number: (% style="color:blue" %)**LSPH01-XX**
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  = 10. Support =
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  * 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.
  * 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]].

Changes for page LSPH01 -- LoRaWAN Soil pH Sensor User Manual

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