<
From version < 149.4 >
edited by Xiaoling
on 2022/06/10 17:57
To version < 147.8 >
edited by Xiaoling
on 2022/06/10 17:44
>
Change comment: There is no comment for this version

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... ... @@ -994,7 +994,7 @@
994 994  
995 995  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
996 996  
997 -[[image:image-20220610174917-9.png]]
997 +[[image:image-20220610105907-1.png]]
998 998  
999 999  
1000 1000  (% style="color:#037691" %)**Downlink Command: 0x06**
... ... @@ -1008,51 +1008,88 @@
1008 1008  
1009 1009  
1010 1010  
1011 -= 4.  FAQ =
1012 1012  
1013 -== 4.1  What is the frequency plan for LDDS75? ==
1014 1014  
1015 -LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:
1013 += 6.  Use AT Command =
1016 1016  
1015 +== 6.1  Access AT Commands ==
1017 1017  
1017 +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.
1018 1018  
1019 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1019 +[[image:1654593668970-604.png]]
1020 1020  
1021 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1022 -When downloading the images, choose the required image file for download. ​
1021 +**Connection:**
1023 1023  
1023 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1024 1024  
1025 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1025 1025  
1026 -== 4.3  Can I use LDDS75 in condensation environment? ==
1027 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1027 1027  
1028 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1029 1029  
1030 +(((
1031 +(((
1032 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1033 +)))
1030 1030  
1035 +(((
1036 +LLDS12 will output system info once power on as below:
1037 +)))
1038 +)))
1031 1031  
1032 -= 5.  Trouble Shooting =
1033 1033  
1034 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1041 + [[image:1654593712276-618.png]]
1035 1035  
1043 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1036 1036  
1045 +
1046 += 7.  FAQ =
1047 +
1048 +== 7.1  How to change the LoRa Frequency Bands/Region ==
1049 +
1050 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1051 +When downloading the images, choose the required image file for download. ​
1052 +
1053 +
1054 += 8.  Trouble Shooting =
1055 +
1056 +== 8.1  AT Commands input doesn’t work ==
1057 +
1058 +
1037 1037  (((
1038 -
1060 +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.
1039 1039  )))
1040 1040  
1041 1041  
1042 -== 5.2  AT Command input doesn't work ==
1064 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1043 1043  
1044 -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.
1045 1045  
1046 1046  (((
1068 +(% 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.)
1069 +)))
1070 +
1071 +(((
1072 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
1073 +)))
1074 +
1075 +(((
1047 1047  
1048 1048  )))
1049 1049  
1079 +(((
1080 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1081 +)))
1050 1050  
1083 +(((
1084 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1085 +)))
1051 1051  
1087 +
1088 +
1052 1052  = 6.  Order Info =
1053 1053  
1054 1054  
1055 -Part Number: (% style="color:blue" %)**LDDS75-XX-YY**
1092 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1056 1056  
1057 1057  
1058 1058  (% style="color:blue" %)**XX**(%%): The default frequency band
... ... @@ -1066,12 +1066,13 @@
1066 1066  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1067 1067  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1068 1068  
1069 -(% style="color:blue" %)**YY**(%%): Battery Option
1106 +**YY**: Battery Option
1070 1070  
1071 -* (% style="color:red" %)**4**(%%): 4000mAh battery
1072 -* (% style="color:red" %)**8**(%%): 8500mAh battery
1108 +* **4**: 4000mAh battery
1109 +* **8**: 8500mAh battery
1073 1073  
1074 1074  
1112 +
1075 1075  = 7. ​ Packing Info =
1076 1076  
1077 1077  
... ... @@ -1087,6 +1087,7 @@
1087 1087  * Weight / pcs : g
1088 1088  
1089 1089  
1128 +
1090 1090  = 8.  ​Support =
1091 1091  
1092 1092  * 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.
image-20220610174836-8.png
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