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Last modified by Xiaoling on 2025/04/27 13:54
From version 173.1
edited by Mengting Qiu
on 2025/02/26 15:04
Change comment: There is no comment for this version
To version 172.15
edited by Xiaoling
on 2024/01/20 09:54
Change comment: There is no comment for this version

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888 888  
889 889  
890 890  (((
891 -**Firmware download link: **[[Firmware - Dropbox>>url:https://www.dropbox.com/scl/fo/8c69ynd1si32dcfovsluq/AFqTNPqnkL54oxfy0bpBcmE?rlkey=vu60rqgxdqdgd6fsyl16nnp1o&e=1&st=i50vhaks&dl=0]]
891 +**Firmware download link:  **[[https:~~/~~/www.dropbox.com/sh/47fsmpbfv4qrw2d/AACy5NcU8MCMFVpYITSUfVLPa?dl=0>>https://www.dropbox.com/sh/47fsmpbfv4qrw2d/AACy5NcU8MCMFVpYITSUfVLPa?dl=0]]
892 892  )))
893 893  
894 894  (((
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1096 1096  When downloading the images, choose the required image file for download. ​
1097 1097  
1098 1098  
1099 -== 5.3 Why does the LDDS45 sensor not work properly? ==
1100 -
1101 -This may be caused by a software firmware bug, which we fixed in the latest firmware (V1.1)
1102 -
1103 -The user can fix this problem via upgrade firmware.
1104 -
1105 -By default, The latest firmware value of POWERIC is 1, while the 3322 version requires POWERIC to be set to 0 in order to function properly
1106 -
1107 -* **//1. Check if the hardware version is 3322//**
1108 -
1109 -If the sensor hardware version is 3322 or earlier, the user can change the POWERIC value to 0 after a firmware upgrade using one of the following methods
1110 -
1111 -**a. Using AT command**
1112 -
1113 -AT+POWERIC=0.
1114 -
1115 -**b. Using Downlink**
1116 -
1117 -FF 00(AT+POWERIC=0).
1118 -
1119 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20240531090837-1.png?rev=1.1||alt="image-20240531090837-1.png"]]
1120 -
1121 -Please check your hardware production date
1122 -
1123 -The first two digits are the week of the year, and the last two digits are the year.
1124 -
1125 -The number 3322 is the first batch we changed the power IC.
1126 -
1127 1127  = 6.  Trouble Shooting =
1128 1128  
1129 1129  == 6.1  AT Command input doesn't work ==