<
From version < 149.9 >
edited by Xiaoling
on 2022/06/10 18:13
To version < 147.8 >
edited by Xiaoling
on 2022/06/10 17:44
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -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**
... ... @@ -1007,47 +1007,89 @@
1007 1007  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1008 1008  
1009 1009  
1010 -= 4.  FAQ =
1011 1011  
1012 -== 4.1  What is the frequency plan for LDDS75? ==
1013 1013  
1014 -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"]]
1015 1015  
1013 += 6.  Use AT Command =
1016 1016  
1015 +== 6.1  Access AT Commands ==
1017 1017  
1018 -== 4.2  How to change the LoRa Frequency Bands/Region ==
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.
1019 1019  
1020 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1021 -When downloading the images, choose the required image file for download. ​
1019 +[[image:1654593668970-604.png]]
1022 1022  
1021 +**Connection:**
1023 1023  
1023 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1024 1024  
1025 -== 4.3  Can I use LDDS75 in condensation environment? ==
1025 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1026 1026  
1027 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1027 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1028 1028  
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  
1031 -= 5.  Trouble Shooting =
1035 +(((
1036 +LLDS12 will output system info once power on as below:
1037 +)))
1038 +)))
1032 1032  
1033 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1034 1034  
1035 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1041 + [[image:1654593712276-618.png]]
1036 1036  
1043 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1037 1037  
1038 -== 5.2  AT Command input doesn't work ==
1039 1039  
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 +
1059 +(((
1040 1040  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.
1061 +)))
1041 1041  
1063 +
1064 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1065 +
1066 +
1042 1042  (((
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 +(((
1043 1043  
1044 1044  )))
1045 1045  
1079 +(((
1080 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1081 +)))
1046 1046  
1083 +(((
1084 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1085 +)))
1086 +
1087 +
1088 +
1047 1047  = 6.  Order Info =
1048 1048  
1049 1049  
1050 -Part Number: (% style="color:blue" %)**LDDS75-XX-YY**
1092 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1051 1051  
1052 1052  
1053 1053  (% style="color:blue" %)**XX**(%%): The default frequency band
... ... @@ -1061,12 +1061,13 @@
1061 1061  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1062 1062  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1063 1063  
1064 -(% style="color:blue" %)**YY**(%%): Battery Option
1106 +**YY**: Battery Option
1065 1065  
1066 -* (% style="color:red" %)**4**(%%): 4000mAh battery
1067 -* (% style="color:red" %)**8**(%%): 8500mAh battery
1108 +* **4**: 4000mAh battery
1109 +* **8**: 8500mAh battery
1068 1068  
1069 1069  
1112 +
1070 1070  = 7. ​ Packing Info =
1071 1071  
1072 1072  
... ... @@ -1082,6 +1082,7 @@
1082 1082  * Weight / pcs : g
1083 1083  
1084 1084  
1128 +
1085 1085  = 8.  ​Support =
1086 1086  
1087 1087  * 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
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -34.3 KB
Content
image-20220610174917-9.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -34.3 KB
Content
Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0