Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual

Last modified by Mengting Qiu on 2025/02/26 15:04

From version < 74.1 >

edited by Xiaoling
on 2022/06/07 17:42

To version < 74.10 >

edited by Xiaoling
on 2022/06/07 17:51

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  = 1. Introduction =
  == 1.1 What is LoRaWAN Soil pH Sensor ==
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  * 8500mAh Battery for long term use
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  == 1.3 Probe Specification ==
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  * Length: 3.5 meters
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  == 1.4 Applications ==
  * Smart Agriculture
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  == 1.5 Pin mapping and power on ==
  [[image:1654592472094-134.png]]
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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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  == 2.5 Show Data in DataCake IoT Server ==
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  [[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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  (% 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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  (% 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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  [[image:1654592790040-760.png]]
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  [[image:1654592856403-259.png]]
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  (% style="color:blue" %)**Step 5**(%%)**: add payload decode**
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  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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  [[image:1654592878525-845.png]]
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  === 2.6.1 Before measurement ===
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  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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  === 2.6.2 Measurement ===
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  (% style="color:#4f81bd" %)**Measurement the soil surface:**
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  [[image:1654592946732-634.png]]
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  Choose the proper measuring position. Split the surface soil according to the measured deep.
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  Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
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  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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  Put soil over the probe after insert. And start to measure.
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  (% style="color:#4f81bd" %)**Measurement inside soil:**
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  Dig a hole with diameter > 20CM.
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  Insert the probe inside, method like measure the surface.
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  == 2.7 Calibration ==
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  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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  After stable, user can use below command to calibrate.
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  [[image:image-20220607171149-4.png]]
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  (% style="color:#037691" %)**Calibration Payload**
--(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
++(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
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  **Size**
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  == 2.8 Frequency Plans ==
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  === 2.8.1 EU863-870 (EU868) ===
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  (% style="color:blue" %)**Uplink:**
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 .1 - SF7BW125 to SF12BW125
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 .3 - SF7BW125 to SF12BW125 and SF7BW250
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 .5 - SF7BW125 to SF12BW125
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 .1 - SF7BW125 to SF12BW125
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 .3 - SF7BW125 to SF12BW125
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 .5 - SF7BW125 to SF12BW125
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 .7 - SF7BW125 to SF12BW125
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 .9 - SF7BW125 to SF12BW125
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 .8 - FSK
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  (% style="color:blue" %)**Downlink:**
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  Uplink channels 1-9 (RX1)
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 .525 - SF9BW125 (RX2 downlink only)
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  * 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) ===
  Used in China, Default use CHE=1
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  * 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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  === 2.8.5 AS920-923 & AS923-925 (AS923) ===
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  (% style="color:blue" %)**Default Uplink channel:**
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 .2 - SF7BW125 to SF10BW125
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 .4 - SF7BW125 to SF10BW125
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  (% style="color:blue" %)**Additional Uplink Channel**:
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  (OTAA mode, channel added by JoinAccept message)
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  (% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
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 .2 - SF7BW125 to SF10BW125
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 .4 - SF7BW125 to SF10BW125
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 .6 - SF7BW125 to SF10BW125
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 .8 - SF7BW125 to SF10BW125
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 .0 - SF7BW125 to SF10BW125
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 .0 - SF7BW125 to SF10BW125
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  (% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
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 .6 - SF7BW125 to SF10BW125
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 .8 - SF7BW125 to SF10BW125
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 .0 - SF7BW125 to SF10BW125
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 .2 - SF7BW125 to SF10BW125
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 .6 - SF7BW125 to SF10BW125
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  (% style="color:blue" %)**Downlink:**
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  Uplink channels 1-8 (RX1)
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 .2 - SF10BW125 (RX2)
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  * Blink once when device transmit a packet.
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  == 2.10 Firmware Change Log ==
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  == 3.2 Set Interrupt Mode ==
  Feature, Set Interrupt mode for GPIO_EXIT.
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  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
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  == 3.3 Calibrate Sensor ==
  Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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  * Reply to the confirmation package: 26 01
  * Reply to non-confirmed packet: 26 00
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  Device will send an uplink after got this downlink command. With below payload:
  Configures info payload:
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  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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  = 9. Packing Info =
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  * Package Size / pcs : cm
  * Weight / pcs : g
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  = 10. Support =
  * 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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