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]] ... ... @@ -88,8 +88,6 @@ 88 88 89 89 90 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 -))) 68 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);** 102 102 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)** 103 103 104 104 73 + 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" %) ** ** ... ... @@ -133,6 +133,8 @@ 133 133 * Sewer 134 134 * Bottom water level monitoring 135 135 102 + 103 + 136 136 == 1.6 Pin mapping and power on == 137 137 138 138 ... ... @@ -179,17 +179,11 @@ 179 179 [[image:image-20220607170145-1.jpeg]] 180 180 181 181 182 -((( 183 183 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 184 -))) 185 185 186 -((( 187 187 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 188 -))) 189 189 190 -((( 191 191 **Add APP EUI in the application** 192 -))) 193 193 194 194 [[image:image-20220610161353-4.png]] 195 195 ... ... @@ -232,15 +232,11 @@ 232 232 == 2.3 Uplink Payload == 233 233 234 234 ((( 235 -((( 236 236 LDDS75 will uplink payload via LoRaWAN with below payload format: 237 -))) 238 238 239 -((( 240 240 Uplink payload includes in total 4 bytes. 241 241 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 242 242 ))) 243 -))) 244 244 245 245 ((( 246 246 ... ... @@ -251,12 +251,12 @@ 251 251 **Size (bytes)** 252 252 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1** 253 253 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 254 -[[Distance>>||anchor="H2.3. 2A0Distance"]]212 +[[Distance>>||anchor="H2.3.3A0Distance"]] 255 255 256 256 (unit: mm) 257 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3. 3A0InterruptPin"]]|(((258 -[[Temperature (Optional )>>||anchor="H2.3. 4A0DS18B20Temperaturesensor"]]259 -)))|[[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]] 260 260 261 261 [[image:1654850511545-399.png]] 262 262 ... ... @@ -275,21 +275,19 @@ 275 275 276 276 === 2.3.2 Distance === 277 277 278 -((( 279 279 Get the distance. Flat object range 280mm - 7500mm. 280 -))) 281 281 282 -((( 283 283 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.** 284 -))) 285 285 286 286 287 287 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 288 288 * 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. 289 289 244 + 245 + 290 290 === 2.3.3 Interrupt Pin === 291 291 292 -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. 293 293 294 294 **Example:** 295 295 ... ... @@ -315,18 +315,14 @@ 315 315 316 316 === 2.3.5 Sensor Flag === 317 317 318 -((( 319 319 0x01: Detect Ultrasonic Sensor 320 -))) 321 321 322 -((( 323 323 0x00: No Ultrasonic Sensor 324 -))) 325 325 326 326 279 +=== 280 +(% style="color:inherit; font-family:inherit" %)2.3.6 Decode payload in The Things Network(%%) === 327 327 328 -=== 2.3.6 Decode payload in The Things Network === 329 - 330 330 While using TTN network, you can add the payload format to decode the payload. 331 331 332 332 ... ... @@ -334,9 +334,7 @@ 334 334 335 335 The payload decoder function for TTN V3 is here: 336 336 337 -((( 338 338 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/]] 339 -))) 340 340 341 341 342 342 ... ... @@ -862,20 +862,15 @@ 862 862 * Solid ON for 5 seconds once device successful Join the network. 863 863 * Blink once when device transmit a packet. 864 864 815 + 816 + 865 865 == 2.8 Firmware Change Log == 866 866 867 867 868 -((( 869 869 **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/]] 870 -))) 871 871 872 -((( 873 - 874 -))) 875 875 876 -((( 877 877 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 878 -))) 879 879 880 880 881 881 ... ... @@ -884,13 +884,11 @@ 884 884 885 885 [[image:image-20220610172003-1.png]] 886 886 887 - 888 888 [[image:image-20220610172003-2.png]] 889 889 890 890 835 +== 2.10 Battery Analysis == 891 891 892 -== 2.10 Battery Analysis == 893 - 894 894 === 2.10.1 Battery Type === 895 895 896 896 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. ... ... @@ -899,7 +899,7 @@ 899 899 The battery related documents as below: 900 900 901 901 * ((( 902 -[[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]], 903 903 ))) 904 904 * ((( 905 905 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -915,7 +915,7 @@ 915 915 === 2.10.2 Replace the battery === 916 916 917 917 ((( 918 -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. 919 919 ))) 920 920 921 921 ((( ... ... @@ -923,22 +923,22 @@ 923 923 ))) 924 924 925 925 ((( 926 -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) 927 927 ))) 928 928 929 929 930 930 931 -= 3. Configure LD DS75via AT Command or LoRaWAN Downlink =874 += 3. Configure LLDS12 via AT Command or LoRaWAN Downlink = 932 932 933 933 ((( 934 934 ((( 935 -Use can configure LD DS75via AT Command or LoRaWAN Downlink.878 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink. 936 936 ))) 937 937 ))) 938 938 939 939 * ((( 940 940 ((( 941 -AT Command Connection: See [[FAQ>>||anchor="H 4.A0FAQ"]].884 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 942 942 ))) 943 943 ))) 944 944 * ((( ... ... @@ -953,7 +953,7 @@ 953 953 ))) 954 954 955 955 ((( 956 -There are two kinds of commands to configure LD DS75, they are:899 +There are two kinds of commands to configure LLDS12, they are: 957 957 ))) 958 958 ))) 959 959 ... ... @@ -994,156 +994,351 @@ 994 994 995 995 * ((( 996 996 ((( 997 -(% style="color:#4f81bd" %)** Commands special design for LD DS75**940 +(% style="color:#4f81bd" %)** Commands special design for LLDS12** 998 998 ))) 999 999 ))) 1000 1000 1001 1001 ((( 1002 1002 ((( 1003 -These commands only valid for LD DS75, as below:946 +These commands only valid for LLDS12, as below: 1004 1004 ))) 1005 1005 ))) 1006 1006 1007 1007 1008 1008 1009 -== 3.1AccessATCommands ==952 +== 4.1 Set Transmit Interval Time == 1010 1010 1011 - 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. 1012 1012 1013 - [[image:image-20220610172924-4.png||height="483"width="988"]]956 +(% style="color:#037691" %)**AT Command: AT+TDC** 1014 1014 958 +[[image:image-20220607171554-8.png]] 1015 1015 1016 -Or if you have below board, use below connection: 1017 1017 961 +((( 962 +(% style="color:#037691" %)**Downlink Command: 0x01** 963 +))) 1018 1018 1019 -[[image:image-20220610172924-5.png]] 965 +((( 966 +Format: Command Code (0x01) followed by 3 bytes time value. 967 +))) 1020 1020 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 +))) 1021 1021 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 +))) 979 + 980 +== 4.2 Set Interrupt Mode == 981 + 982 +Feature, Set Interrupt mode for GPIO_EXIT. 983 + 984 +(% style="color:#037691" %)**AT Command: AT+INTMOD** 985 + 986 +[[image:image-20220610105806-2.png]] 987 + 988 + 1022 1022 ((( 1023 - In the PC, you need to set the serial baud rate to(% style="color:green" %)**9600**(%%) toaccess the serial console for LDDS75. LDDS75 will output system infoonce power onas below:990 +(% style="color:#037691" %)**Downlink Command: 0x06** 1024 1024 ))) 1025 1025 993 +((( 994 +Format: Command Code (0x06) followed by 3 bytes. 995 +))) 1026 1026 1027 - [[image:image-20220610172924-6.png||height="601" width="860"]] 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 +))) 1028 1028 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 +))) 1029 1029 1008 +== 4.3 Get Firmware Version Info == 1030 1030 1031 - == 3.2 SetTransmitIntervalTime==1010 +Feature: use downlink to get firmware version. 1032 1032 1033 - Feature:ChangeLoRaWAN EndNode Transmit Interval.1012 +(% style="color:#037691" %)**Downlink Command: 0x26** 1034 1034 1035 - (% style="color:#037691" %)**AT Command: AT+TDC**1014 +[[image:image-20220607171917-10.png]] 1036 1036 1037 -[[image:image-20220610173409-7.png]] 1016 +* Reply to the confirmation package: 26 01 1017 +* Reply to non-confirmed packet: 26 00 1038 1038 1019 +Device will send an uplink after got this downlink command. With below payload: 1039 1039 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 + 1040 1040 ((( 1041 - (%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. 1042 1042 ))) 1043 1043 1044 1044 ((( 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 + 1045 1045 ((( 1046 -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 +))) 1047 1047 1048 1048 ((( 1049 - If the downlink payload=0100003C,itmeanssettheEND Node’sTransmitIntervalto 0x00003C=60(S), whiletype codeis01.1118 +And make sure the positive and negative pins match. 1050 1050 ))) 1051 1051 1052 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1053 -* 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. 1054 1054 ))) 1055 1055 1129 +((( 1130 +Instruction to use as below: 1131 +))) 1056 1056 1057 - 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]], 1058 1058 ))) 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 +))) 1059 1059 1060 - == 3.3 Set Interrupt Mode ==1162 +[[image:image-20220607172042-11.png]] 1061 1061 1062 -Feature, Set Interrupt mode for GPIO_EXIT. 1063 1063 1064 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD** 1065 1065 1066 - [[image:image-20220610174917-9.png]]1166 +=== 5.3.1 Battery Note === 1067 1067 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 +))) 1068 1068 1069 -(% style="color:#037691" %)**Downlink Command: 0x06** 1070 1070 1071 -Format: Command Code (0x06) followed by 3 bytes. 1072 1072 1174 +=== 5.3.2 Replace the battery === 1175 + 1073 1073 ((( 1074 -This means th at the interruptmodeofthe end nodeisset to0x000003=3(risingedge trigger),and the typecode is06.1177 +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. 1075 1075 ))) 1076 1076 1077 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1078 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 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 +))) 1079 1079 1080 1080 1081 -= 4. FAQ = 1082 1082 1083 -= =4.1What isthefrequencyplanfor LDDS75?==1186 += 6. Use AT Command = 1084 1084 1085 - LDDS75usethe same frequency as other Dragino products. User cansee the detail from thislink:[[Introduction>>doc:Main.EndDevice Frequency Band.WebHome||anchor="H1.Introduction"]]1188 +== 6.1 Access AT Commands == 1086 1086 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. 1087 1087 1192 +[[image:1654593668970-604.png]] 1088 1088 1089 - == 4.2 How to change the LoRa Frequency Bands/Region==1194 +**Connection:** 1090 1090 1091 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1092 -When downloading the images, choose the required image file for download. 1196 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND** 1093 1093 1198 +(% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD** 1094 1094 1200 +(% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD** 1095 1095 1096 -== 4.3 Can I use LDDS75 in condensation environment? == 1097 1097 1098 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0. 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 +))) 1099 1099 1208 +((( 1209 +LLDS12 will output system info once power on as below: 1210 +))) 1211 +))) 1100 1100 1101 1101 1102 - =5.Trouble Shooting=1214 + [[image:1654593712276-618.png]] 1103 1103 1104 - ==5.1WhyIcan’tjoinTTN V3inUS915 /AU915 bands? ==1216 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]]. 1105 1105 1106 -It is due to channel mapping. Please see below link: [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1107 1107 1219 += 7. FAQ = 1108 1108 1109 -== 5.2ATCommandinputdoesn'twork==1221 +== 7.1 How to change the LoRa Frequency Bands/Region == 1110 1110 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 +((( 1111 1111 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 +))) 1112 1112 1236 + 1237 +== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1238 + 1239 + 1113 1113 ((( 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 +((( 1114 1114 1115 1115 ))) 1116 1116 1252 +((( 1253 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1254 +))) 1117 1117 1118 -= 6. Order Info = 1256 +((( 1257 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1258 +))) 1119 1119 1120 1120 1121 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 1122 1122 1262 += 9. Order Info = 1123 1123 1124 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band 1125 1125 1126 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 1127 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 1128 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band 1129 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band 1130 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band 1131 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band 1132 -* (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 1133 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 1265 +Part Number: (% style="color:blue" %)**LLDS12-XX** 1134 1134 1135 -(% style="color:blue" %)**YY**(%%): Battery Option 1136 1136 1137 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1138 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1268 +(% style="color:blue" %)**XX**(%%): The default frequency band 1139 1139 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 1140 1140 1141 -= 7. Packing Info =1279 += 10. Packing Info = 1142 1142 1143 1143 1144 1144 **Package Includes**: 1145 1145 1146 -* LD DS75LoRaWAN DistanceDetectionSensor x 11284 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1 1147 1147 1148 1148 **Dimension and weight**: 1149 1149 ... ... @@ -1152,8 +1152,7 @@ 1152 1152 * Package Size / pcs : cm 1153 1153 * Weight / pcs : g 1154 1154 1293 += 11. Support = 1155 1155 1156 -= 8. Support = 1157 - 1158 1158 * 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. 1159 1159 * 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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