Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Last modified by Mengting Qiu on 2025/02/26 15:04
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... ... @@ -994,7 +994,7 @@ 994 994 995 995 (% style="color:#037691" %)**Downlink Command: AT+INTMOD** 996 996 997 -[[image:image-202206101 05907-1.png]]997 +[[image:image-20220610174917-9.png]] 998 998 999 999 1000 1000 (% style="color:#037691" %)**Downlink Command: 0x06** ... ... @@ -1008,84 +1008,42 @@ 1008 1008 1009 1009 1010 1010 1011 += 4. FAQ = 1011 1011 1013 +== 4.1 What is the frequency plan for LDDS75? == 1012 1012 1013 - =6.UseATCommand=1015 +LDDS75 use the same frequency as other Dragino products. User can see the detail from this link: 1014 1014 1015 -== 6.1 Access AT Commands == 1016 1016 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 - [[image:1654593668970-604.png]]1019 +== 4.2 How to change the LoRa Frequency Bands/Region == 1020 1020 1021 -**Connection:** 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. 1022 1022 1023 -(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND** 1024 1024 1025 -(% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD** 1026 1026 1027 - (%style="background-color:yellow"%)** USB TTL RXD <~-~-~-~-> UART_TXD**1026 +== 4.3 Can I use LDDS75 in condensation environment? == 1028 1028 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 -))) 1034 1034 1035 -((( 1036 -LLDS12 will output system info once power on as below: 1037 -))) 1038 -))) 1039 1039 1032 += 5. Trouble Shooting = 1040 1040 1041 - [[image:1654593712276-618.png]]1034 +== 5.1 Why I can’t join TTN V3 in US915 / AU915 bands? == 1042 1042 1043 -Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]]. 1044 1044 1045 1045 1046 -= 7.FAQ=1038 +== 5.2 AT Command input doesn't work == 1047 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 -((( 1060 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. 1061 -))) 1062 1062 1063 - 1064 -== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1065 - 1066 - 1067 1067 ((( 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 -((( 1076 1076 1077 1077 ))) 1078 1078 1079 -((( 1080 -(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1081 -))) 1082 1082 1083 -((( 1084 -Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1085 -))) 1086 - 1087 - 1088 - 1089 1089 = 6. Order Info = 1090 1090 1091 1091 ... ... @@ -1105,11 +1105,10 @@ 1105 1105 1106 1106 (% style="color:blue" %)**YY**(%%): Battery Option 1107 1107 1108 -* **(% style="color:red" %)4**(%%): 4000mAh battery1109 -* **(% style="color:red" %)8**(%%): 8500mAh battery1066 +* (% style="color:red" %)**4**(%%): 4000mAh battery 1067 +* (% style="color:red" %)**8**(%%): 8500mAh battery 1110 1110 1111 1111 1112 - 1113 1113 = 7. Packing Info = 1114 1114 1115 1115 ... ... @@ -1125,7 +1125,6 @@ 1125 1125 * Weight / pcs : g 1126 1126 1127 1127 1128 - 1129 1129 = 8. Support = 1130 1130 1131 1131 * 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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