Last modified by Mengting Qiu on 2025/02/26 15:04
<
From version < 150.2 >
edited by Xiaoling
on 2022/06/11 08:33
To version < 147.9 >
edited by Xiaoling
on 2022/06/10 17:46
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -3,7 +3,6 @@
3 3  
4 4  **Contents:**
5 5  
6 -{{toc/}}
7 7  
8 8  
9 9  
... ... @@ -11,7 +11,6 @@
11 11  
12 12  
13 13  
14 -
15 15  = 1.  Introduction =
16 16  
17 17  == 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
... ... @@ -272,13 +272,9 @@
272 272  0x00: No Ultrasonic Sensor
273 273  
274 274  
275 -(% class="wikigeneratedid" %)
273 +===
274 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
276 276  
277 -
278 -(% class="wikigeneratedid" id="H2.3.6A0DecodepayloadinTheThingsNetwork" %)
279 -
280 -(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network
281 -
282 282  While using TTN network, you can add the payload format to decode the payload.
283 283  
284 284  
... ... @@ -1000,7 +1000,7 @@
1000 1000  
1001 1001  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1002 1002  
1003 -[[image:image-20220610174917-9.png]]
997 +[[image:image-20220610105907-1.png]]
1004 1004  
1005 1005  
1006 1006  (% style="color:#037691" %)**Downlink Command: 0x06**
... ... @@ -1014,64 +1014,105 @@
1014 1014  
1015 1015  
1016 1016  
1017 -= 4.  FAQ =
1018 1018  
1019 -== 4.1  What is the frequency plan for LDDS75? ==
1020 1020  
1021 -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"]]
1013 += 6.  Use AT Command =
1022 1022  
1015 +== 6.1  Access AT Commands ==
1023 1023  
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.
1024 1024  
1025 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1019 +[[image:1654593668970-604.png]]
1026 1026  
1027 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1028 -When downloading the images, choose the required image file for download. ​
1021 +**Connection:**
1029 1029  
1023 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1030 1030  
1025 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1031 1031  
1032 -== 4.3  Can I use LDDS75 in condensation environment? ==
1027 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1033 1033  
1034 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1035 1035  
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 +)))
1036 1036  
1035 +(((
1036 +LLDS12 will output system info once power on as below:
1037 +)))
1038 +)))
1037 1037  
1038 -= 5.  Trouble Shooting =
1039 1039  
1040 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1041 + [[image:1654593712276-618.png]]
1041 1041  
1042 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1043 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1043 1043  
1044 1044  
1045 -== 5.2  AT Command input doesn't work ==
1046 += 7.  FAQ =
1046 1046  
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 +(((
1047 1047  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 +)))
1048 1048  
1063 +
1064 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1065 +
1066 +
1049 1049  (((
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 +(((
1050 1050  
1051 1051  )))
1052 1052  
1079 +(((
1080 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1081 +)))
1053 1053  
1083 +(((
1084 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1085 +)))
1086 +
1087 +
1088 +
1054 1054  = 6.  Order Info =
1055 1055  
1056 1056  
1057 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1092 +Part Number: (% style="color:blue" %)**LDDS75-XX-YY**
1058 1058  
1059 1059  
1060 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1095 +(% style="color:blue" %)**XX**(%%): The default frequency band
1061 1061  
1062 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1063 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1064 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1065 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1066 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1067 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1068 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1069 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1097 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
1098 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1099 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1100 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1101 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1102 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1103 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1104 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1070 1070  
1071 1071  (% style="color:blue" %)**YY**(%%): Battery Option
1072 1072  
1073 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1074 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1108 +* **(% style="color:red" %)4**(%%): 4000mAh battery
1109 +* **(% style="color:red" %)8**(%%): 8500mAh battery
1075 1075  
1076 1076  
1077 1077  
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

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0