Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual

Last modified by Xiaoling on 2025/04/27 13:54

From 169.1 to 169.2 From 170.3 to 170.4

From version 169.2

edited by Xiaoling
on 2022/06/11 15:56

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To version 170.3

edited by Xiaoling
on 2022/06/15 11:17

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--**Contents:**
++**Table of Contents:**
  {{toc/}}
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  It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
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  The LoRa wireless technology used in LDDS45 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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  LDDS45 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
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  Each LDDS45 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
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  (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
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  * 8500mAh Battery for long term use
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  == 1.3  Specification ==
  === 1.3.1  Rated environmental conditions ===
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  **Remarks: (1)   a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
--**~                       b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
++**~                        b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
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  **(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
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  == 1.5  Applications ==
  * Horizontal distance measurement
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  * Bottom water level monitoring
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  == 1.6  Pin mapping and power on ==
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  (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45.
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  * If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
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  === 2.3.3  Interrupt Pin ===
  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.3A0SetInterruptMode"]] for the hardware and software set up.
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  === 3.3.2 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.
++You can change the battery in the LDDS45.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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--The default battery pack of LSPH01 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
++The default battery pack of LDDS45 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
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  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
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  = 5.  FAQ =
  == 5.1  What is the frequency plan for LDDS45? ==
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  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
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  = 8.  Packing Info =
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  * Weight / pcs : g
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  = 9.  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.