Changes for page LMDS200 -- LoRaWAN Microwave Radar Distance Sensor User Manual
Last modified by Xiaoling on 2025/04/27 16:45
Summary
-
Page properties (1 modified, 0 added, 0 removed)
-
Attachments (0 modified, 0 added, 2 removed)
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 == ... ... @@ -20,51 +20,24 @@ 20 20 21 21 22 22 ((( 23 -((( 24 24 The Dragino LDDS75 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc. 25 -))) 26 26 27 -((( 28 - 29 -))) 30 30 31 -((( 32 32 It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server. 33 -))) 34 34 35 -((( 36 - 37 -))) 38 38 39 -((( 40 40 The LoRa wireless technology used in LDDS75 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. 41 -))) 42 42 43 -((( 44 - 45 -))) 46 46 47 -((( 48 48 LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*. 49 -))) 50 50 51 -((( 52 - 53 -))) 54 54 55 -((( 56 56 Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on. 57 -))) 58 58 59 -((( 60 - 61 -))) 62 62 63 -((( 64 -(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors. 36 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors 65 65 ))) 66 66 ))) 67 -))) 68 68 69 69 70 70 [[image:1654847051249-359.png]] ... ... @@ -87,9 +87,6 @@ 87 87 * 4000mAh or 8500mAh Battery for long term use 88 88 89 89 90 - 91 - 92 - 93 93 == 1.3 Specification == 94 94 95 95 === 1.3.1 Rated environmental conditions === ... ... @@ -96,12 +96,12 @@ 96 96 97 97 [[image:image-20220610154839-1.png]] 98 98 99 -((( 100 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing); b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 101 -))) 67 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);** 102 102 69 +**b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 103 103 104 104 72 + 105 105 === 1.3.2 Effective measurement range Reference beam pattern === 106 106 107 107 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** ... ... @@ -111,10 +111,7 @@ 111 111 [[image:1654852253176-749.png]] 112 112 113 113 114 - 115 -((( 116 116 **(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.** 117 -))) 118 118 119 119 120 120 [[image:1654852175653-550.png]](% style="display:none" %) ** ** ... ... @@ -134,9 +134,6 @@ 134 134 * Bottom water level monitoring 135 135 136 136 137 - 138 - 139 - 140 140 == 1.6 Pin mapping and power on == 141 141 142 142 ... ... @@ -183,17 +183,11 @@ 183 183 [[image:image-20220607170145-1.jpeg]] 184 184 185 185 186 -((( 187 187 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 188 -))) 189 189 190 -((( 191 191 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 192 -))) 193 193 194 -((( 195 195 **Add APP EUI in the application** 196 -))) 197 197 198 198 [[image:image-20220610161353-4.png]] 199 199 ... ... @@ -236,15 +236,11 @@ 236 236 == 2.3 Uplink Payload == 237 237 238 238 ((( 239 -((( 240 240 LDDS75 will uplink payload via LoRaWAN with below payload format: 241 -))) 242 242 243 -((( 244 244 Uplink payload includes in total 4 bytes. 245 245 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 246 246 ))) 247 -))) 248 248 249 249 ((( 250 250 ... ... @@ -255,12 +255,12 @@ 255 255 **Size (bytes)** 256 256 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1** 257 257 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 258 -[[Distance>>||anchor="H2.3. 2A0Distance"]]210 +[[Distance>>||anchor="H2.3.3A0Distance"]] 259 259 260 260 (unit: mm) 261 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3. 3A0InterruptPin"]]|(((262 -[[Temperature (Optional )>>||anchor="H2.3. 4A0DS18B20Temperaturesensor"]]263 -)))|[[Sensor Flag>> ||anchor="H2.3.5A0SensorFlag"]]213 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|((( 214 +[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]] 215 +)))|[[Sensor Flag>>path:#Sensor_Flag]] 264 264 265 265 [[image:1654850511545-399.png]] 266 266 ... ... @@ -279,13 +279,9 @@ 279 279 280 280 === 2.3.2 Distance === 281 281 282 -((( 283 283 Get the distance. Flat object range 280mm - 7500mm. 284 -))) 285 285 286 -((( 287 287 For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.** 288 -))) 289 289 290 290 291 291 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. ... ... @@ -292,12 +292,9 @@ 292 292 * If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid. 293 293 294 294 295 - 296 - 297 - 298 298 === 2.3.3 Interrupt Pin === 299 299 300 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H 3.3A0SetInterruptMode"]] for the hardware and software set up.245 +This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up. 301 301 302 302 **Example:** 303 303 ... ... @@ -323,18 +323,14 @@ 323 323 324 324 === 2.3.5 Sensor Flag === 325 325 326 -((( 327 327 0x01: Detect Ultrasonic Sensor 328 -))) 329 329 330 -((( 331 331 0x00: No Ultrasonic Sensor 332 -))) 333 333 334 334 276 +=== 277 +(% style="color:inherit; font-family:inherit" %)2.3.6 Decode payload in The Things Network(%%) === 335 335 336 -=== 2.3.6 Decode payload in The Things Network === 337 - 338 338 While using TTN network, you can add the payload format to decode the payload. 339 339 340 340 ... ... @@ -342,9 +342,7 @@ 342 342 343 343 The payload decoder function for TTN V3 is here: 344 344 345 -((( 346 346 LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]] 347 -))) 348 348 349 349 350 350 ... ... @@ -870,20 +870,14 @@ 870 870 * Solid ON for 5 seconds once device successful Join the network. 871 871 * Blink once when device transmit a packet. 872 872 812 + 873 873 == 2.8 Firmware Change Log == 874 874 875 875 876 -((( 877 877 **Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]] 878 -))) 879 879 880 -((( 881 - 882 -))) 883 883 884 -((( 885 885 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 886 -))) 887 887 888 888 889 889 ... ... @@ -892,13 +892,11 @@ 892 892 893 893 [[image:image-20220610172003-1.png]] 894 894 895 - 896 896 [[image:image-20220610172003-2.png]] 897 897 898 898 831 +== 2.10 Battery Analysis == 899 899 900 -== 2.10 Battery Analysis == 901 - 902 902 === 2.10.1 Battery Type === 903 903 904 904 The LDDS75 battery is a combination of a 4000mAh or 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter. ... ... @@ -907,7 +907,7 @@ 907 907 The battery related documents as below: 908 908 909 909 * ((( 910 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 841 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 911 911 ))) 912 912 * ((( 913 913 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -923,7 +923,7 @@ 923 923 === 2.10.2 Replace the battery === 924 924 925 925 ((( 926 -You can change the battery in the LDDS75.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.857 +You can change the battery in the LDDS75.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. 927 927 ))) 928 928 929 929 ((( ... ... @@ -931,12 +931,12 @@ 931 931 ))) 932 932 933 933 ((( 934 -The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can 't find this pack locally, they can find ER18505 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)865 +The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can’t find this pack locally, they can find ER18505 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) 935 935 ))) 936 936 937 937 938 938 939 -= 3. Configure LD DS75via AT Command or LoRaWAN Downlink =870 += 3. Configure LLDS12 via AT Command or LoRaWAN Downlink = 940 940 941 941 ((( 942 942 ((( ... ... @@ -946,7 +946,7 @@ 946 946 947 947 * ((( 948 948 ((( 949 -AT Command Connection: See [[FAQ>>||anchor="H 4.A0FAQ"]].880 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 950 950 ))) 951 951 ))) 952 952 * ((( ... ... @@ -1027,9 +1027,7 @@ 1027 1027 [[image:image-20220610172924-5.png]] 1028 1028 1029 1029 1030 -((( 1031 1031 In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below: 1032 -))) 1033 1033 1034 1034 1035 1035 [[image:image-20220610172924-6.png||height="601" width="860"]] ... ... @@ -1045,6 +1045,8 @@ 1045 1045 [[image:image-20220610173409-7.png]] 1046 1046 1047 1047 977 + 978 + 1048 1048 ((( 1049 1049 (% style="color:#037691" %)**Downlink Command: 0x01** 1050 1050 ))) ... ... @@ -1053,9 +1053,7 @@ 1053 1053 ((( 1054 1054 Format: Command Code (0x01) followed by 3 bytes time value. 1055 1055 1056 -((( 1057 1057 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1058 -))) 1059 1059 1060 1060 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1061 1061 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds ... ... @@ -1065,93 +1065,283 @@ 1065 1065 1066 1066 ))) 1067 1067 1068 -== 3.3 SetInterruptMode ==997 +== 3.3 Get Firmware Version Info == 1069 1069 1070 -Feature ,SetInterrupt modeforGPIO_EXIT.999 +Feature: use downlink to get firmware version. 1071 1071 1072 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**1001 +(% style="color:#037691" %)**Downlink Command: 0x26** 1073 1073 1074 -[[image:image-202206 10174917-9.png]]1003 +[[image:image-20220607171917-10.png]] 1075 1075 1005 +* Reply to the confirmation package: 26 01 1006 +* Reply to non-confirmed packet: 26 00 1076 1076 1077 - (%style="color:#037691"%)**DownlinkCommand:0x06**1008 +Device will send an uplink after got this downlink command. With below payload: 1078 1078 1079 - Format:Command Code(0x06)followedby 3 bytes.1010 +Configures info payload: 1080 1080 1012 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 1013 +|=((( 1014 +**Size(bytes)** 1015 +)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1** 1016 +|**Value**|Software Type|((( 1017 +Frequency 1018 + 1019 +Band 1020 +)))|Sub-band|((( 1021 +Firmware 1022 + 1023 +Version 1024 +)))|Sensor Type|Reserve|((( 1025 +[[Message Type>>||anchor="H2.3.7A0MessageType"]] 1026 +Always 0x02 1027 +))) 1028 + 1029 +**Software Type**: Always 0x03 for LLDS12 1030 + 1031 + 1032 +**Frequency Band**: 1033 + 1034 +*0x01: EU868 1035 + 1036 +*0x02: US915 1037 + 1038 +*0x03: IN865 1039 + 1040 +*0x04: AU915 1041 + 1042 +*0x05: KZ865 1043 + 1044 +*0x06: RU864 1045 + 1046 +*0x07: AS923 1047 + 1048 +*0x08: AS923-1 1049 + 1050 +*0x09: AS923-2 1051 + 1052 +*0xa0: AS923-3 1053 + 1054 + 1055 +**Sub-Band**: value 0x00 ~~ 0x08 1056 + 1057 + 1058 +**Firmware Version**: 0x0100, Means: v1.0.0 version 1059 + 1060 + 1061 +**Sensor Type**: 1062 + 1063 +0x01: LSE01 1064 + 1065 +0x02: LDDS75 1066 + 1067 +0x03: LDDS20 1068 + 1069 +0x04: LLMS01 1070 + 1071 +0x05: LSPH01 1072 + 1073 +0x06: LSNPK01 1074 + 1075 +0x07: LLDS12 1076 + 1077 + 1078 + 1079 += 5. Battery & How to replace = 1080 + 1081 +== 5.1 Battery Type == 1082 + 1081 1081 ((( 1082 - Thismeansthattheinterruptmodeof the endodeseto0x000003=3(rising edge trigger),andthe type code is06.1084 +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. 1083 1083 ))) 1084 1084 1085 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1086 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1087 +((( 1088 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 1089 +))) 1087 1087 1091 +[[image:1654593587246-335.png]] 1088 1088 1089 -= 4. FAQ = 1090 1090 1091 - == 4.1 Whatisthe frequencyplanfor LDDS75? ==1094 +Minimum Working Voltage for the LLDS12: 1092 1092 1093 -LD DS75 use the same frequency as other Dragino products. User can see the detail from this link:[[Introduction>>doc:Main.End DeviceFrequencyBand.WebHome||anchor="H1.Introduction"]]1096 +LLDS12: 2.45v ~~ 3.6v 1094 1094 1095 1095 1096 1096 1097 -== 4.2How to change theLoRa FrequencyBands/Region==1100 +== 5.2 Replace Battery == 1098 1098 1099 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1100 -When downloading the images, choose the required image file for download. 1102 +((( 1103 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 1104 +))) 1101 1101 1106 +((( 1107 +And make sure the positive and negative pins match. 1108 +))) 1102 1102 1103 1103 1104 -== 4.3 Can I use LDDS75 in condensation environment? == 1105 1105 1106 - LDDS75is not suitableto be used in condensation environment.Condensationonthe LDDS75 probe willaffect the reading and alwaysgot 0.1112 +== 5.3 Power Consumption Analyze == 1107 1107 1114 +((( 1115 +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. 1116 +))) 1108 1108 1118 +((( 1119 +Instruction to use as below: 1120 +))) 1109 1109 1110 -= 5. Trouble Shooting = 1111 1111 1112 - ==5.1Why I can’t joinTTN V3inUS915/AU915 bands?==1123 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: 1113 1113 1114 - Itisue tohannelmapping. Pleasesee below link: [[Frequencyband>>doc:Main.LoRaWAN CommunicationDebug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]1125 +[[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/]] 1115 1115 1116 1116 1117 - ==5.2AT Commandinputdoesn'twork ==1128 +**Step 2**: Open it and choose 1118 1118 1130 +* Product Model 1131 +* Uplink Interval 1132 +* Working Mode 1133 + 1134 +And the Life expectation in difference case will be shown on the right. 1135 + 1136 +[[image:1654593605679-189.png]] 1137 + 1138 + 1139 +The battery related documents as below: 1140 + 1141 +* ((( 1142 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 1143 +))) 1144 +* ((( 1145 +[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], 1146 +))) 1147 +* ((( 1148 +[[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]] 1149 +))) 1150 + 1151 +[[image:image-20220607172042-11.png]] 1152 + 1153 + 1154 + 1155 +=== 5.3.1 Battery Note === 1156 + 1157 +((( 1158 +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. 1159 +))) 1160 + 1161 + 1162 + 1163 +=== 5.3.2 Replace the battery === 1164 + 1165 +((( 1166 +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. 1167 +))) 1168 + 1169 +((( 1170 +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) 1171 +))) 1172 + 1173 + 1174 + 1175 += 6. Use AT Command = 1176 + 1177 +== 6.1 Access AT Commands == 1178 + 1179 +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. 1180 + 1181 +[[image:1654593668970-604.png]] 1182 + 1183 +**Connection:** 1184 + 1185 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND** 1186 + 1187 +(% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD** 1188 + 1189 +(% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD** 1190 + 1191 + 1192 +((( 1193 +((( 1194 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12. 1195 +))) 1196 + 1197 +((( 1198 +LLDS12 will output system info once power on as below: 1199 +))) 1200 +))) 1201 + 1202 + 1203 + [[image:1654593712276-618.png]] 1204 + 1205 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]]. 1206 + 1207 + 1208 += 7. FAQ = 1209 + 1210 +== 7.1 How to change the LoRa Frequency Bands/Region == 1211 + 1212 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1213 +When downloading the images, choose the required image file for download. 1214 + 1215 + 1216 += 8. Trouble Shooting = 1217 + 1218 +== 8.1 AT Commands input doesn’t work == 1219 + 1220 + 1221 +((( 1119 1119 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. 1223 +))) 1120 1120 1225 + 1226 +== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1227 + 1228 + 1121 1121 ((( 1230 +(% 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.) 1231 +))) 1232 + 1233 +((( 1234 +Troubleshooting: Please avoid use of this product under such circumstance in practice. 1235 +))) 1236 + 1237 +((( 1122 1122 1123 1123 ))) 1124 1124 1241 +((( 1242 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1243 +))) 1125 1125 1126 -= 6. Order Info = 1245 +((( 1246 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1247 +))) 1127 1127 1128 1128 1129 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 1130 1130 1251 += 9. Order Info = 1131 1131 1132 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band 1133 1133 1134 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 1135 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 1136 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band 1137 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band 1138 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band 1139 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band 1140 -* (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 1141 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 1254 +Part Number: (% style="color:blue" %)**LLDS12-XX** 1142 1142 1143 -(% style="color:blue" %)**YY**(%%): Battery Option 1144 1144 1145 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1146 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1257 +(% style="color:blue" %)**XX**(%%): The default frequency band 1147 1147 1259 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 1260 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 1261 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 1262 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 1263 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 1264 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 1265 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1266 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1148 1148 1149 -= 7. Packing Info =1268 += 10. Packing Info = 1150 1150 1151 1151 1152 1152 **Package Includes**: 1153 1153 1154 -* LD DS75LoRaWAN DistanceDetectionSensor x 11273 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1 1155 1155 1156 1156 **Dimension and weight**: 1157 1157 ... ... @@ -1160,8 +1160,7 @@ 1160 1160 * Package Size / pcs : cm 1161 1161 * Weight / pcs : g 1162 1162 1282 += 11. Support = 1163 1163 1164 -= 8. Support = 1165 - 1166 1166 * 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. 1167 1167 * 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]].
- 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