Last modified by Mengting Qiu on 2025/02/26 15:04
<
From version < 147.6 >
edited by Xiaoling
on 2022/06/10 17:41
To version < 149.3 >
edited by Xiaoling
on 2022/06/10 17:55
>
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... ... @@ -992,10 +992,9 @@
992 992  
993 993  Feature, Set Interrupt mode for GPIO_EXIT.
994 994  
995 -
996 996  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
997 997  
998 -[[image:image-20220610105907-1.png]]
997 +[[image:image-20220610174917-9.png]]
999 999  
1000 1000  
1001 1001  (% style="color:#037691" %)**Downlink Command: 0x06**
... ... @@ -1008,154 +1008,39 @@
1008 1008  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1009 1009  
1010 1010  
1011 -= 5.  Battery & How to replace =
1012 1012  
1013 -== 5.1  Battery Type ==
1011 += 4.  FAQ =
1014 1014  
1015 -(((
1016 -LLDS12 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
1017 -)))
1013 +== 4.1  What is the frequency plan for LDDS75? ==
1018 1018  
1019 -(((
1020 -The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1021 -)))
1015 +LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:
1022 1022  
1023 -[[image:1654593587246-335.png]]
1024 1024  
1025 1025  
1026 -Minimum Working Voltage for the LLDS12:
1019 +== 4.2  How to change the LoRa Frequency Bands/Region ==
1027 1027  
1028 -LLDS12:  2.45v ~~ 3.6v
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. ​
1029 1029  
1030 1030  
1031 1031  
1032 -== 5.2  Replace Battery ==
1026 +== 4.3  Can I use LDDS75 in condensation environment? ==
1033 1033  
1034 -(((
1035 -Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1036 -)))
1028 +LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1037 1037  
1038 -(((
1039 -And make sure the positive and negative pins match.
1040 -)))
1041 1041  
1042 1042  
1032 += 5.  Trouble Shooting =
1043 1043  
1044 -== 5.3  Power Consumption Analyze ==
1034 +== 5.1  AT Commands input doesn’t work ==
1045 1045  
1046 -(((
1047 -Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
1048 -)))
1049 1049  
1050 1050  (((
1051 -Instruction to use as below:
1052 -)))
1053 -
1054 -
1055 -**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
1056 -
1057 -[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
1058 -
1059 -
1060 -**Step 2**: Open it and choose
1061 -
1062 -* Product Model
1063 -* Uplink Interval
1064 -* Working Mode
1065 -
1066 -And the Life expectation in difference case will be shown on the right.
1067 -
1068 -[[image:1654593605679-189.png]]
1069 -
1070 -
1071 -The battery related documents as below:
1072 -
1073 -* (((
1074 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
1075 -)))
1076 -* (((
1077 -[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
1078 -)))
1079 -* (((
1080 -[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
1081 -)))
1082 -
1083 -[[image:image-20220607172042-11.png]]
1084 -
1085 -
1086 -
1087 -=== 5.3.1  ​Battery Note ===
1088 -
1089 -(((
1090 -The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
1091 -)))
1092 -
1093 -
1094 -
1095 -=== ​5.3.2  Replace the battery ===
1096 -
1097 -(((
1098 -You can change the battery in the LLDS12.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
1099 -)))
1100 -
1101 -(((
1102 -The default battery pack of LLDS12 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
1103 -)))
1104 -
1105 -
1106 -
1107 -= 6.  Use AT Command =
1108 -
1109 -== 6.1  Access AT Commands ==
1110 -
1111 -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.
1112 -
1113 -[[image:1654593668970-604.png]]
1114 -
1115 -**Connection:**
1116 -
1117 -(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1118 -
1119 -(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1120 -
1121 -(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1122 -
1123 -
1124 -(((
1125 -(((
1126 -In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1127 -)))
1128 -
1129 -(((
1130 -LLDS12 will output system info once power on as below:
1131 -)))
1132 -)))
1133 -
1134 -
1135 - [[image:1654593712276-618.png]]
1136 -
1137 -Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1138 -
1139 -
1140 -= 7.  FAQ =
1141 -
1142 -== 7.1  How to change the LoRa Frequency Bands/Region ==
1143 -
1144 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1145 -When downloading the images, choose the required image file for download. ​
1146 -
1147 -
1148 -= 8.  Trouble Shooting =
1149 -
1150 -== 8.1  AT Commands input doesn’t work ==
1151 -
1152 -
1153 -(((
1154 1154  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.
1155 1155  )))
1156 1156  
1157 1157  
1158 -== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1042 +== 5.2  Significant error between the output distant value of LiDAR and actual distance ==
1159 1159  
1160 1160  
1161 1161  (((
... ... @@ -1180,10 +1180,10 @@
1180 1180  
1181 1181  
1182 1182  
1183 -= 9.  Order Info =
1067 += 6.  Order Info =
1184 1184  
1185 1185  
1186 -Part Number: (% style="color:blue" %)**LLDS12-XX**
1070 +Part Number: (% style="color:blue" %)**LDDS75-XX-YY**
1187 1187  
1188 1188  
1189 1189  (% style="color:blue" %)**XX**(%%): The default frequency band
... ... @@ -1197,12 +1197,18 @@
1197 1197  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1198 1198  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1199 1199  
1200 -= 10. ​ Packing Info =
1084 +(% style="color:blue" %)**YY**(%%): Battery Option
1201 1201  
1086 +* (% style="color:red" %)**4**(%%): 4000mAh battery
1087 +* (% style="color:red" %)**8**(%%): 8500mAh battery
1202 1202  
1089 +
1090 += 7. ​ Packing Info =
1091 +
1092 +
1203 1203  **Package Includes**:
1204 1204  
1205 -* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1095 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
1206 1206  
1207 1207  **Dimension and weight**:
1208 1208  
... ... @@ -1211,7 +1211,8 @@
1211 1211  * Package Size / pcs : cm
1212 1212  * Weight / pcs : g
1213 1213  
1214 -= 11.  ​Support =
1215 1215  
1105 += 8.  ​Support =
1106 +
1216 1216  * 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.
1217 1217  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].
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