Changes for page LMDS200 -- LoRaWAN Microwave Radar Distance Sensor User Manual
Last modified by Xiaoling on 2025/04/27 16:45
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... ... @@ -1,21 +1,15 @@ 1 1 (% style="text-align:center" %) 2 2 [[image:1654846127817-788.png]] 3 3 4 +**Contents:** 4 4 5 5 6 6 7 7 8 -**Table of Contents:** 9 9 10 -{{toc/}} 11 11 12 12 13 13 14 - 15 - 16 - 17 - 18 - 19 19 = 1. Introduction = 20 20 21 21 == 1.1 What is LoRaWAN Distance Detection Sensor == ... ... @@ -24,31 +24,24 @@ 24 24 25 25 26 26 ((( 27 -((( 28 28 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. 29 -))) 30 30 31 - (((23 + 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 - (((26 + 36 36 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. 37 -))) 38 38 39 - (((29 + 40 40 LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*. 41 -))) 42 42 43 - (((32 + 44 44 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. 45 -))) 46 46 47 - (((48 -(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors .35 + 36 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors 49 49 ))) 50 50 ))) 51 -))) 52 52 53 53 54 54 [[image:1654847051249-359.png]] ... ... @@ -71,7 +71,6 @@ 71 71 * 4000mAh or 8500mAh Battery for long term use 72 72 73 73 74 - 75 75 == 1.3 Specification == 76 76 77 77 === 1.3.1 Rated environmental conditions === ... ... @@ -78,12 +78,12 @@ 78 78 79 79 [[image:image-20220610154839-1.png]] 80 80 81 -((( 82 -**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)** 83 -))) 67 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);** 84 84 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)** 85 85 86 86 72 + 87 87 === 1.3.2 Effective measurement range Reference beam pattern === 88 88 89 89 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** ... ... @@ -93,10 +93,7 @@ 93 93 [[image:1654852253176-749.png]] 94 94 95 95 96 - 97 -((( 98 98 **(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.** 99 -))) 100 100 101 101 102 102 [[image:1654852175653-550.png]](% style="display:none" %) ** ** ... ... @@ -116,7 +116,6 @@ 116 116 * Bottom water level monitoring 117 117 118 118 119 - 120 120 == 1.6 Pin mapping and power on == 121 121 122 122 ... ... @@ -163,17 +163,11 @@ 163 163 [[image:image-20220607170145-1.jpeg]] 164 164 165 165 166 -((( 167 167 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 168 -))) 169 169 170 -((( 171 171 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 172 -))) 173 173 174 -((( 175 175 **Add APP EUI in the application** 176 -))) 177 177 178 178 [[image:image-20220610161353-4.png]] 179 179 ... ... @@ -216,15 +216,11 @@ 216 216 == 2.3 Uplink Payload == 217 217 218 218 ((( 219 -((( 220 220 LDDS75 will uplink payload via LoRaWAN with below payload format: 221 -))) 222 222 223 -((( 224 224 Uplink payload includes in total 4 bytes. 225 225 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 226 226 ))) 227 -))) 228 228 229 229 ((( 230 230 ... ... @@ -235,12 +235,12 @@ 235 235 **Size (bytes)** 236 236 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1** 237 237 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 238 -[[Distance>>||anchor="H2.3. 2A0Distance"]]210 +[[Distance>>||anchor="H2.3.3A0Distance"]] 239 239 240 240 (unit: mm) 241 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3. 3A0InterruptPin"]]|(((242 -[[Temperature (Optional )>>||anchor="H2.3. 4A0DS18B20Temperaturesensor"]]243 -)))|[[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]] 244 244 245 245 [[image:1654850511545-399.png]] 246 246 ... ... @@ -259,13 +259,9 @@ 259 259 260 260 === 2.3.2 Distance === 261 261 262 -((( 263 263 Get the distance. Flat object range 280mm - 7500mm. 264 -))) 265 265 266 -((( 267 267 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.** 268 -))) 269 269 270 270 271 271 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. ... ... @@ -272,10 +272,9 @@ 272 272 * 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. 273 273 274 274 275 - 276 276 === 2.3.3 Interrupt Pin === 277 277 278 -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. 279 279 280 280 **Example:** 281 281 ... ... @@ -301,18 +301,14 @@ 301 301 302 302 === 2.3.5 Sensor Flag === 303 303 304 -((( 305 305 0x01: Detect Ultrasonic Sensor 306 -))) 307 307 308 -((( 309 309 0x00: No Ultrasonic Sensor 310 -))) 311 311 312 312 276 +=== 277 +(% style="color:inherit; font-family:inherit" %)2.3.6 Decode payload in The Things Network(%%) === 313 313 314 -=== 2.3.6 Decode payload in The Things Network === 315 - 316 316 While using TTN network, you can add the payload format to decode the payload. 317 317 318 318 ... ... @@ -320,9 +320,7 @@ 320 320 321 321 The payload decoder function for TTN V3 is here: 322 322 323 -((( 324 324 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/]] 325 -))) 326 326 327 327 328 328 ... ... @@ -849,21 +849,13 @@ 849 849 * Blink once when device transmit a packet. 850 850 851 851 852 - 853 853 == 2.8 Firmware Change Log == 854 854 855 855 856 -((( 857 857 **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/]] 858 -))) 859 859 860 -((( 861 - 862 -))) 863 863 864 -((( 865 865 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 866 -))) 867 867 868 868 869 869 ... ... @@ -872,13 +872,11 @@ 872 872 873 873 [[image:image-20220610172003-1.png]] 874 874 875 - 876 876 [[image:image-20220610172003-2.png]] 877 877 878 878 831 +== 2.10 Battery Analysis == 879 879 880 -== 2.10 Battery Analysis == 881 - 882 882 === 2.10.1 Battery Type === 883 883 884 884 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. ... ... @@ -887,7 +887,7 @@ 887 887 The battery related documents as below: 888 888 889 889 * ((( 890 -[[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]], 891 891 ))) 892 892 * ((( 893 893 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -903,7 +903,7 @@ 903 903 === 2.10.2 Replace the battery === 904 904 905 905 ((( 906 -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. 907 907 ))) 908 908 909 909 ((( ... ... @@ -911,12 +911,12 @@ 911 911 ))) 912 912 913 913 ((( 914 -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) 915 915 ))) 916 916 917 917 918 918 919 -= 3. Configure LD DS75via AT Command or LoRaWAN Downlink =870 += 3. Configure LLDS12 via AT Command or LoRaWAN Downlink = 920 920 921 921 ((( 922 922 ((( ... ... @@ -926,7 +926,7 @@ 926 926 927 927 * ((( 928 928 ((( 929 -AT Command Connection: See [[FAQ>>||anchor="H 4.A0FAQ"]].880 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 930 930 ))) 931 931 ))) 932 932 * ((( ... ... @@ -1007,9 +1007,7 @@ 1007 1007 [[image:image-20220610172924-5.png]] 1008 1008 1009 1009 1010 -((( 1011 1011 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: 1012 -))) 1013 1013 1014 1014 1015 1015 [[image:image-20220610172924-6.png||height="601" width="860"]] ... ... @@ -1025,6 +1025,8 @@ 1025 1025 [[image:image-20220610173409-7.png]] 1026 1026 1027 1027 977 + 978 + 1028 1028 ((( 1029 1029 (% style="color:#037691" %)**Downlink Command: 0x01** 1030 1030 ))) ... ... @@ -1033,108 +1033,293 @@ 1033 1033 ((( 1034 1034 Format: Command Code (0x01) followed by 3 bytes time value. 1035 1035 1036 -((( 1037 1037 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1038 -))) 1039 1039 1040 1040 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1041 1041 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1042 1042 ))) 992 + 993 + 994 + 1043 1043 ))) 1044 1044 997 +== 3.3 Get Firmware Version Info == 1045 1045 999 +Feature: use downlink to get firmware version. 1046 1046 1001 +(% style="color:#037691" %)**Downlink Command: 0x26** 1047 1047 1003 +[[image:image-20220607171917-10.png]] 1048 1048 1049 -== 3.3 Set Interrupt Mode == 1005 +* Reply to the confirmation package: 26 01 1006 +* Reply to non-confirmed packet: 26 00 1050 1050 1051 - Feature,SetInterruptmodeforGPIO_EXIT.1008 +Device will send an uplink after got this downlink command. With below payload: 1052 1052 1053 - (% style="color:#037691"%)**DownlinkCommand:AT+INTMOD**1010 +Configures info payload: 1054 1054 1055 -[[image:image-20220610174917-9.png]] 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 1056 1056 1019 +Band 1020 +)))|Sub-band|((( 1021 +Firmware 1057 1057 1058 -(% style="color:#037691" %)**Downlink Command: 0x06** 1023 +Version 1024 +)))|Sensor Type|Reserve|((( 1025 +[[Message Type>>||anchor="H2.3.7A0MessageType"]] 1026 +Always 0x02 1027 +))) 1059 1059 1060 - Format: CommandCode(0x06)followedby 3 bytes.1029 +**Software Type**: Always 0x03 for LLDS12 1061 1061 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 + 1062 1062 ((( 1063 - 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. 1064 1064 ))) 1065 1065 1066 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1067 -* 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 +))) 1068 1068 1091 +[[image:1654593587246-335.png]] 1069 1069 1070 1070 1071 - =4.FAQ=1094 +Minimum Working Voltage for the LLDS12: 1072 1072 1073 - == 4.1 What is the frequency plan forLDDS75?==1096 +LLDS12: 2.45v ~~ 3.6v 1074 1074 1075 -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"]] 1076 1076 1077 1077 1100 +== 5.2 Replace Battery == 1078 1078 1079 -== 4.2 How to change the LoRa Frequency Bands/Region == 1102 +((( 1103 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 1104 +))) 1080 1080 1081 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1082 -When downloading the images, choose the required image file for download. 1106 +((( 1107 +And make sure the positive and negative pins match. 1108 +))) 1083 1083 1084 1084 1085 1085 1086 -== 4.3Can I useLDDS75 in condensationenvironment?==1112 +== 5.3 Power Consumption Analyze == 1087 1087 1088 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0. 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 +))) 1089 1089 1118 +((( 1119 +Instruction to use as below: 1120 +))) 1090 1090 1091 1091 1092 - =5.TroubleShooting=1123 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: 1093 1093 1094 - == 5.1 Why I can’t joinTTN V3inUS915/U915 bands?=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/]] 1095 1095 1096 -It is due to channel mapping. Please see below link: [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1097 1097 1128 +**Step 2**: Open it and choose 1098 1098 1099 -== 5.2 AT Command input doesn't work == 1130 +* Product Model 1131 +* Uplink Interval 1132 +* Working Mode 1100 1100 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 +((( 1101 1101 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 +))) 1102 1102 1225 + 1226 +== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1227 + 1228 + 1103 1103 ((( 1104 - 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.) 1105 1105 ))) 1106 1106 1233 +((( 1234 +Troubleshooting: Please avoid use of this product under such circumstance in practice. 1235 +))) 1107 1107 1108 -= 6. Order Info = 1237 +((( 1238 + 1239 +))) 1109 1109 1241 +((( 1242 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1243 +))) 1110 1110 1111 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 1245 +((( 1246 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1247 +))) 1112 1112 1113 1113 1114 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band 1115 1115 1116 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 1117 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 1118 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band 1119 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band 1120 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band 1121 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band 1122 -* (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 1123 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 1251 += 9. Order Info = 1124 1124 1125 -(% style="color:blue" %)**YY**(%%): Battery Option 1126 1126 1127 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1128 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1254 +Part Number: (% style="color:blue" %)**LLDS12-XX** 1129 1129 1130 1130 1257 +(% style="color:blue" %)**XX**(%%): The default frequency band 1131 1131 1132 -= 7. Packing Info = 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 1133 1133 1268 += 10. Packing Info = 1134 1134 1270 + 1135 1135 **Package Includes**: 1136 1136 1137 -* LD DS75LoRaWAN DistanceDetectionSensor x 11273 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1 1138 1138 1139 1139 **Dimension and weight**: 1140 1140 ... ... @@ -1143,9 +1143,7 @@ 1143 1143 * Package Size / pcs : cm 1144 1144 * Weight / pcs : g 1145 1145 1282 += 11. Support = 1146 1146 1147 - 1148 -= 8. Support = 1149 - 1150 1150 * 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. 1151 1151 * 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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