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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... ... @@ -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]] ... ... @@ -87,6 +87,7 @@ 87 87 * 4000mAh or 8500mAh Battery for long term use 88 88 89 89 61 + 90 90 == 1.3 Specification == 91 91 92 92 === 1.3.1 Rated environmental conditions === ... ... @@ -93,12 +93,12 @@ 93 93 94 94 [[image:image-20220610154839-1.png]] 95 95 96 -((( 97 -**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)** 98 -))) 68 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);** 99 99 70 +**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)** 100 100 101 101 73 + 102 102 === 1.3.2 Effective measurement range Reference beam pattern === 103 103 104 104 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** ... ... @@ -108,7 +108,6 @@ 108 108 [[image:1654852253176-749.png]] 109 109 110 110 111 - 112 112 **(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.** 113 113 114 114 ... ... @@ -238,12 +238,12 @@ 238 238 **Size (bytes)** 239 239 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1** 240 240 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 241 -[[Distance>>||anchor="H2.3. 2A0Distance"]]212 +[[Distance>>||anchor="H2.3.3A0Distance"]] 242 242 243 243 (unit: mm) 244 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3. 3A0InterruptPin"]]|(((245 -[[Temperature (Optional )>>||anchor="H2.3. 4A0DS18B20Temperaturesensor"]]246 -)))|[[Sensor Flag>> ||anchor="H2.3.5A0SensorFlag"]]215 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|((( 216 +[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]] 217 +)))|[[Sensor Flag>>path:#Sensor_Flag]] 247 247 248 248 [[image:1654850511545-399.png]] 249 249 ... ... @@ -270,9 +270,11 @@ 270 270 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 271 271 * 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. 272 272 244 + 245 + 273 273 === 2.3.3 Interrupt Pin === 274 274 275 -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.248 +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. 276 276 277 277 **Example:** 278 278 ... ... @@ -303,9 +303,9 @@ 303 303 0x00: No Ultrasonic Sensor 304 304 305 305 279 +=== 280 +(% style="color:inherit; font-family:inherit" %)2.3.6 Decode payload in The Things Network(%%) === 306 306 307 -=== 2.3.6 Decode payload in The Things Network === 308 - 309 309 While using TTN network, you can add the payload format to decode the payload. 310 310 311 311 ... ... @@ -839,6 +839,8 @@ 839 839 * Solid ON for 5 seconds once device successful Join the network. 840 840 * Blink once when device transmit a packet. 841 841 815 + 816 + 842 842 == 2.8 Firmware Change Log == 843 843 844 844 ... ... @@ -854,13 +854,11 @@ 854 854 855 855 [[image:image-20220610172003-1.png]] 856 856 857 - 858 858 [[image:image-20220610172003-2.png]] 859 859 860 860 835 +== 2.10 Battery Analysis == 861 861 862 -== 2.10 Battery Analysis == 863 - 864 864 === 2.10.1 Battery Type === 865 865 866 866 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. ... ... @@ -869,7 +869,7 @@ 869 869 The battery related documents as below: 870 870 871 871 * ((( 872 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 845 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 873 873 ))) 874 874 * ((( 875 875 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -885,7 +885,7 @@ 885 885 === 2.10.2 Replace the battery === 886 886 887 887 ((( 888 -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.861 +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. 889 889 ))) 890 890 891 891 ((( ... ... @@ -893,22 +893,22 @@ 893 893 ))) 894 894 895 895 ((( 896 -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)869 +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) 897 897 ))) 898 898 899 899 900 900 901 -= 3. Configure LD DS75via AT Command or LoRaWAN Downlink =874 += 3. Configure LLDS12 via AT Command or LoRaWAN Downlink = 902 902 903 903 ((( 904 904 ((( 905 -Use can configure LD DS75via AT Command or LoRaWAN Downlink.878 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink. 906 906 ))) 907 907 ))) 908 908 909 909 * ((( 910 910 ((( 911 -AT Command Connection: See [[FAQ>>||anchor="H 4.A0FAQ"]].884 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 912 912 ))) 913 913 ))) 914 914 * ((( ... ... @@ -923,7 +923,7 @@ 923 923 ))) 924 924 925 925 ((( 926 -There are two kinds of commands to configure LD DS75, they are:899 +There are two kinds of commands to configure LLDS12, they are: 927 927 ))) 928 928 ))) 929 929 ... ... @@ -964,148 +964,351 @@ 964 964 965 965 * ((( 966 966 ((( 967 -(% style="color:#4f81bd" %)** Commands special design for LD DS75**940 +(% style="color:#4f81bd" %)** Commands special design for LLDS12** 968 968 ))) 969 969 ))) 970 970 971 971 ((( 972 972 ((( 973 -These commands only valid for LD DS75, as below:946 +These commands only valid for LLDS12, as below: 974 974 ))) 975 975 ))) 976 976 977 977 978 978 979 -== 3.1AccessATCommands ==952 +== 4.1 Set Transmit Interval Time == 980 980 981 - LDDS75 supportsATCommand setin the stock firmware.You canuse a USB toTTL adapterto connect to LDDS75 for using ATcommand, asbelow.954 +Feature: Change LoRaWAN End Node Transmit Interval. 982 982 983 - [[image:image-20220610172924-4.png||height="483"width="988"]]956 +(% style="color:#037691" %)**AT Command: AT+TDC** 984 984 958 +[[image:image-20220607171554-8.png]] 985 985 986 -Or if you have below board, use below connection: 987 987 961 +((( 962 +(% style="color:#037691" %)**Downlink Command: 0x01** 963 +))) 988 988 989 -[[image:image-20220610172924-5.png]] 965 +((( 966 +Format: Command Code (0x01) followed by 3 bytes time value. 967 +))) 990 990 969 +((( 970 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 971 +))) 991 991 992 -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: 973 +* ((( 974 +Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 975 +))) 976 +* ((( 977 +Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 978 +))) 993 993 980 +== 4.2 Set Interrupt Mode == 994 994 995 - [[image:image-20220610172924-6.png||height="601"width="860"]]982 +Feature, Set Interrupt mode for GPIO_EXIT. 996 996 984 +(% style="color:#037691" %)**AT Command: AT+INTMOD** 997 997 986 +[[image:image-20220610105806-2.png]] 998 998 999 -== 3.2 Set Transmit Interval Time == 1000 1000 1001 -Feature: Change LoRaWAN End Node Transmit Interval. 989 +((( 990 +(% style="color:#037691" %)**Downlink Command: 0x06** 991 +))) 1002 1002 1003 -(% style="color:#037691" %)**AT Command: AT+TDC** 993 +((( 994 +Format: Command Code (0x06) followed by 3 bytes. 995 +))) 1004 1004 1005 -[[image:image-20220610173409-7.png]] 997 +((( 998 +This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 999 +))) 1006 1006 1001 +* ((( 1002 +Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1003 +))) 1004 +* ((( 1005 +Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1006 +))) 1007 1007 1008 +== 4.3 Get Firmware Version Info == 1009 + 1010 +Feature: use downlink to get firmware version. 1011 + 1012 +(% style="color:#037691" %)**Downlink Command: 0x26** 1013 + 1014 +[[image:image-20220607171917-10.png]] 1015 + 1016 +* Reply to the confirmation package: 26 01 1017 +* Reply to non-confirmed packet: 26 00 1018 + 1019 +Device will send an uplink after got this downlink command. With below payload: 1020 + 1021 +Configures info payload: 1022 + 1023 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 1024 +|=((( 1025 +**Size(bytes)** 1026 +)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1** 1027 +|**Value**|Software Type|((( 1028 +Frequency 1029 + 1030 +Band 1031 +)))|Sub-band|((( 1032 +Firmware 1033 + 1034 +Version 1035 +)))|Sensor Type|Reserve|((( 1036 +[[Message Type>>||anchor="H2.3.7A0MessageType"]] 1037 +Always 0x02 1038 +))) 1039 + 1040 +**Software Type**: Always 0x03 for LLDS12 1041 + 1042 + 1043 +**Frequency Band**: 1044 + 1045 +*0x01: EU868 1046 + 1047 +*0x02: US915 1048 + 1049 +*0x03: IN865 1050 + 1051 +*0x04: AU915 1052 + 1053 +*0x05: KZ865 1054 + 1055 +*0x06: RU864 1056 + 1057 +*0x07: AS923 1058 + 1059 +*0x08: AS923-1 1060 + 1061 +*0x09: AS923-2 1062 + 1063 +*0xa0: AS923-3 1064 + 1065 + 1066 +**Sub-Band**: value 0x00 ~~ 0x08 1067 + 1068 + 1069 +**Firmware Version**: 0x0100, Means: v1.0.0 version 1070 + 1071 + 1072 +**Sensor Type**: 1073 + 1074 +0x01: LSE01 1075 + 1076 +0x02: LDDS75 1077 + 1078 +0x03: LDDS20 1079 + 1080 +0x04: LLMS01 1081 + 1082 +0x05: LSPH01 1083 + 1084 +0x06: LSNPK01 1085 + 1086 +0x07: LLDS12 1087 + 1088 + 1089 + 1090 += 5. Battery & How to replace = 1091 + 1092 +== 5.1 Battery Type == 1093 + 1008 1008 ((( 1009 - (%style="color:#037691"%)**DownlinkCommand:0x01**1095 +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. 1010 1010 ))) 1011 1011 1012 1012 ((( 1099 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 1100 +))) 1101 + 1102 +[[image:1654593587246-335.png]] 1103 + 1104 + 1105 +Minimum Working Voltage for the LLDS12: 1106 + 1107 +LLDS12: 2.45v ~~ 3.6v 1108 + 1109 + 1110 + 1111 +== 5.2 Replace Battery == 1112 + 1013 1013 ((( 1014 -Format: Command Code (0x01) followed by 3 bytes time value. 1114 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 1115 +))) 1015 1015 1016 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1117 +((( 1118 +And make sure the positive and negative pins match. 1119 +))) 1017 1017 1018 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1019 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1121 + 1122 + 1123 +== 5.3 Power Consumption Analyze == 1124 + 1125 +((( 1126 +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. 1020 1020 ))) 1021 1021 1129 +((( 1130 +Instruction to use as below: 1131 +))) 1022 1022 1023 - 1133 + 1134 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: 1135 + 1136 +[[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/]] 1137 + 1138 + 1139 +**Step 2**: Open it and choose 1140 + 1141 +* Product Model 1142 +* Uplink Interval 1143 +* Working Mode 1144 + 1145 +And the Life expectation in difference case will be shown on the right. 1146 + 1147 +[[image:1654593605679-189.png]] 1148 + 1149 + 1150 +The battery related documents as below: 1151 + 1152 +* ((( 1153 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 1024 1024 ))) 1155 +* ((( 1156 +[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], 1157 +))) 1158 +* ((( 1159 +[[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]] 1160 +))) 1025 1025 1026 - == 3.3 Set Interrupt Mode ==1162 +[[image:image-20220607172042-11.png]] 1027 1027 1028 -Feature, Set Interrupt mode for GPIO_EXIT. 1029 1029 1030 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD** 1031 1031 1032 - [[image:image-20220610174917-9.png]]1166 +=== 5.3.1 Battery Note === 1033 1033 1168 +((( 1169 +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. 1170 +))) 1034 1034 1035 -(% style="color:#037691" %)**Downlink Command: 0x06** 1036 1036 1037 -Format: Command Code (0x06) followed by 3 bytes. 1038 1038 1039 - Thismeansthat theinterrupt modeoftheend node is seto 0x000003=3 (risingedge trigger), and the typecode is 06.1174 +=== 5.3.2 Replace the battery === 1040 1040 1041 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1042 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1176 +((( 1177 +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. 1178 +))) 1043 1043 1044 -= 4. FAQ = 1180 +((( 1181 +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) 1182 +))) 1045 1045 1046 -== 4.1 What is the frequency plan for LDDS75? == 1047 1047 1048 -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"]] 1049 1049 1186 += 6. Use AT Command = 1050 1050 1188 +== 6.1 Access AT Commands == 1051 1051 1052 - == 4.2Howtochange theLoRaFrequencyBands/Region==1190 +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. 1053 1053 1054 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1055 -When downloading the images, choose the required image file for download. 1192 +[[image:1654593668970-604.png]] 1056 1056 1194 +**Connection:** 1057 1057 1196 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND** 1058 1058 1059 - ==4.3 Can I useLDDS75 incondensation environment?==1198 +(% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD** 1060 1060 1061 - LDDS75isnotsuitabletobe used in condensation environment. Condensationon the LDDS75 probewillaffectthereadingandalwaysgot 0.1200 +(% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD** 1062 1062 1063 1063 1203 +((( 1204 +((( 1205 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12. 1206 +))) 1064 1064 1065 -= 5. Trouble Shooting = 1208 +((( 1209 +LLDS12 will output system info once power on as below: 1210 +))) 1211 +))) 1066 1066 1067 -== 5.1 Why I can’t join TTN V3 in US915 / AU915 bands? == 1068 1068 1069 - Itis due to channel mapping. Please see below link:[[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]1214 + [[image:1654593712276-618.png]] 1070 1070 1216 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]]. 1071 1071 1072 -== 5.2 AT Command input doesn't work == 1073 1073 1219 += 7. FAQ = 1220 + 1221 +== 7.1 How to change the LoRa Frequency Bands/Region == 1222 + 1223 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1224 +When downloading the images, choose the required image file for download. 1225 + 1226 + 1227 += 8. Trouble Shooting = 1228 + 1229 +== 8.1 AT Commands input doesn’t work == 1230 + 1231 + 1232 +((( 1074 1074 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. 1234 +))) 1075 1075 1236 + 1237 +== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1238 + 1239 + 1076 1076 ((( 1241 +(% 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.) 1242 +))) 1243 + 1244 +((( 1245 +Troubleshooting: Please avoid use of this product under such circumstance in practice. 1246 +))) 1247 + 1248 +((( 1077 1077 1078 1078 ))) 1079 1079 1252 +((( 1253 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1254 +))) 1080 1080 1081 -= 6. Order Info = 1256 +((( 1257 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1258 +))) 1082 1082 1083 1083 1084 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 1085 1085 1262 += 9. Order Info = 1086 1086 1087 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band 1088 1088 1089 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 1090 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 1091 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band 1092 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band 1093 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band 1094 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band 1095 -* (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 1096 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 1265 +Part Number: (% style="color:blue" %)**LLDS12-XX** 1097 1097 1098 -(% style="color:blue" %)**YY**(%%): Battery Option 1099 1099 1100 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1101 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1268 +(% style="color:blue" %)**XX**(%%): The default frequency band 1102 1102 1103 -= 7. Packing Info = 1270 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 1271 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 1272 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 1273 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 1274 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 1275 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 1276 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1277 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1104 1104 1279 += 10. Packing Info = 1105 1105 1281 + 1106 1106 **Package Includes**: 1107 1107 1108 -* LD DS75LoRaWAN DistanceDetectionSensor x 11284 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1 1109 1109 1110 1110 **Dimension and weight**: 1111 1111 ... ... @@ -1114,7 +1114,7 @@ 1114 1114 * Package Size / pcs : cm 1115 1115 * Weight / pcs : g 1116 1116 1117 -= 8. Support =1293 += 11. Support = 1118 1118 1119 1119 * 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. 1120 1120 * 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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