Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual

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

From version < 148.1 >

edited by Xiaoling
on 2022/06/10 17:48

To version < 149.13 >

edited by Xiaoling
on 2022/06/10 18:15

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@@ -994,7 +994,7 @@
  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
--[[image:image-20220610105907-1.png]]
++[[image:image-20220610174917-9.png]]
  (% style="color:#037691" %)**Downlink Command: 0x06**
@@ -1009,105 +1009,68 @@
--= 6.  Use AT Command =
++= 4.  FAQ =
--== 6.1  Access AT Commands ==
++== 4.1  What is the frequency plan for LDDS75? ==
--LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below.
++LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
--[[image:1654593668970-604.png]]
--**Connection:**
--(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
++== 4.2  How to change the LoRa Frequency Bands/Region ==
--(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
++You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
++When downloading the images, choose the required image file for download.
--(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
--(((
--(((
--In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
--)))
++== 4.3  Can I use LDDS75 in condensation environment? ==
--(((
--LLDS12 will output system info once power on as below:
--)))
--)))
++LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
-- [[image:1654593712276-618.png]]
--Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
++= 5.  Trouble Shooting =
++== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
--= 4.  FAQ =
++It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
--== 4.1  How to change the LoRa Frequency Bands/Region ==
--You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
--When downloading the images, choose the required image file for download.
++== 5.2  AT Command input doesn't work ==
--
--= 5.  Trouble Shooting =
--
--== 5.1  AT Commands input doesn’t work ==
--
--
--(((
  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.
--)))
--
--== 5.2  Significant error between the output distant value of LiDAR and actual distance ==
--
--
  (((
--(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.)
--)))
--
--(((
--Troubleshooting: Please avoid use of this product under such circumstance in practice.
--)))
--
--(((
  )))
--(((
--(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
--)))
--(((
--Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
--)))
--
--
--
  = 6.  Order Info =
--Part Number: (% style="color:blue" %)**LDDS75-XX-YY**
++Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
--(% style="color:blue" %)**XX**(%%): The default frequency band
++(% style="color:blue" %)**XX**(%%)**: **The default frequency band
--* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
--* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
--* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
--* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
--* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
--* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
--* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
--* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
++* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
++* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
++* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
++* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
++* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
++* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
++* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
++* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
  (% style="color:blue" %)**YY**(%%): Battery Option
--* (% style="color:red" %)**4**(%%): 4000mAh battery
--* (% style="color:red" %)**8**(%%): 8500mAh battery
++* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
++* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
++
++
  = 7.  Packing Info =
@@ -1122,7 +1122,6 @@
  * Package Size / pcs : cm
  * Weight / pcs : g
--
  = 8.  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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