Changes for page LMDS200 -- LoRaWAN Microwave Radar Distance Sensor User Manual
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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.** ... ... @@ -108,10 +108,7 @@ 108 108 [[image:1654852253176-749.png]] 109 109 110 110 111 - 112 -((( 113 113 **(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.** 114 -))) 115 115 116 116 117 117 [[image:1654852175653-550.png]](% style="display:none" %) ** ** ... ... @@ -178,17 +178,11 @@ 178 178 [[image:image-20220607170145-1.jpeg]] 179 179 180 180 181 -((( 182 182 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 183 -))) 184 184 185 -((( 186 186 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 187 -))) 188 188 189 -((( 190 190 **Add APP EUI in the application** 191 -))) 192 192 193 193 [[image:image-20220610161353-4.png]] 194 194 ... ... @@ -231,15 +231,11 @@ 231 231 == 2.3 Uplink Payload == 232 232 233 233 ((( 234 -((( 235 235 LDDS75 will uplink payload via LoRaWAN with below payload format: 236 -))) 237 237 238 -((( 239 239 Uplink payload includes in total 4 bytes. 240 240 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 241 241 ))) 242 -))) 243 243 244 244 ((( 245 245 ... ... @@ -250,12 +250,12 @@ 250 250 **Size (bytes)** 251 251 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1** 252 252 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 253 -[[Distance>>||anchor="H2.3. 2A0Distance"]]212 +[[Distance>>||anchor="H2.3.3A0Distance"]] 254 254 255 255 (unit: mm) 256 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3. 3A0InterruptPin"]]|(((257 -[[Temperature (Optional )>>||anchor="H2.3. 4A0DS18B20Temperaturesensor"]]258 -)))|[[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]] 259 259 260 260 [[image:1654850511545-399.png]] 261 261 ... ... @@ -282,9 +282,11 @@ 282 282 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 283 283 * 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. 284 284 244 + 245 + 285 285 === 2.3.3 Interrupt Pin === 286 286 287 -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. 288 288 289 289 **Example:** 290 290 ... ... @@ -315,9 +315,9 @@ 315 315 0x00: No Ultrasonic Sensor 316 316 317 317 279 +=== 280 +(% style="color:inherit; font-family:inherit" %)2.3.6 Decode payload in The Things Network(%%) === 318 318 319 -=== 2.3.6 Decode payload in The Things Network === 320 - 321 321 While using TTN network, you can add the payload format to decode the payload. 322 322 323 323 ... ... @@ -851,6 +851,8 @@ 851 851 * Solid ON for 5 seconds once device successful Join the network. 852 852 * Blink once when device transmit a packet. 853 853 815 + 816 + 854 854 == 2.8 Firmware Change Log == 855 855 856 856 ... ... @@ -866,13 +866,11 @@ 866 866 867 867 [[image:image-20220610172003-1.png]] 868 868 869 - 870 870 [[image:image-20220610172003-2.png]] 871 871 872 872 835 +== 2.10 Battery Analysis == 873 873 874 -== 2.10 Battery Analysis == 875 - 876 876 === 2.10.1 Battery Type === 877 877 878 878 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. ... ... @@ -881,7 +881,7 @@ 881 881 The battery related documents as below: 882 882 883 883 * ((( 884 -[[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]], 885 885 ))) 886 886 * ((( 887 887 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -896,31 +896,84 @@ 896 896 897 897 === 2.10.2 Replace the battery === 898 898 860 +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 + 862 + 863 +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) 864 + 865 + 866 + 867 += 3. LiDAR ToF Measurement = 868 + 869 +== 3.1 Principle of Distance Measurement == 870 + 871 +The LiDAR probe is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown below. 872 + 873 +[[image:1654831757579-263.png]] 874 + 875 + 876 + 877 +== 3.2 Distance Measurement Characteristics == 878 + 879 +With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. As shown in below: 880 + 881 +[[image:1654831774373-275.png]] 882 + 883 + 899 899 ((( 900 - Youcan changetheatteryintheLDDS75.The type of battery isotlimited aslong astheoutputsbetween3v to3.6v. Onthemain board,thereisa diode(D1)betweenthe battery and the maincircuit. If you need to use a batterywithlessthan 3.3v, pleaseremovethe D1 and shortcut the two padsofitsotherewon't be voltage dropbetween battery and main board.885 +(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable. 901 901 ))) 902 902 903 903 ((( 904 - 889 +(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m. 905 905 ))) 906 906 907 907 ((( 908 - Thedefaultbatterypackof LDDS75 includesaER18505 plus super capacitor. If user can'tfind thispack locally,theycan findER18505 orequivalence,which will alsoworkinmost case.TheSPCcanenlargethebattery lifefor highfrequency use (update period below 5 minutes)893 +(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m. 909 909 ))) 910 910 911 911 897 +((( 898 +Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at the different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows: 899 +))) 912 912 913 -= 3. Configure LDDS75 via AT Command or LoRaWAN Downlink = 914 914 902 +[[image:1654831797521-720.png]] 903 + 904 + 915 915 ((( 906 +In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below. 907 +))) 908 + 909 +[[image:1654831810009-716.png]] 910 + 911 + 916 916 ((( 917 - Use can configureLDDS75viaATCommand orLoRaWANDownlink.913 +If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error. 918 918 ))) 915 + 916 + 917 + 918 +== 3.3 Notice of usage: == 919 + 920 +Possible invalid /wrong reading for LiDAR ToF tech: 921 + 922 +* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings. 923 +* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong. 924 +* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 925 +* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window. 926 + 927 += 4. Configure LLDS12 via AT Command or LoRaWAN Downlink = 928 + 929 +((( 930 +((( 931 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink. 919 919 ))) 933 +))) 920 920 921 921 * ((( 922 922 ((( 923 -AT Command Connection: See [[FAQ>>||anchor="H 4.A0FAQ"]].937 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 924 924 ))) 925 925 ))) 926 926 * ((( ... ... @@ -935,7 +935,7 @@ 935 935 ))) 936 936 937 937 ((( 938 -There are two kinds of commands to configure LD DS75, they are:952 +There are two kinds of commands to configure LLDS12, they are: 939 939 ))) 940 940 ))) 941 941 ... ... @@ -976,148 +976,351 @@ 976 976 977 977 * ((( 978 978 ((( 979 -(% style="color:#4f81bd" %)** Commands special design for LD DS75**993 +(% style="color:#4f81bd" %)** Commands special design for LLDS12** 980 980 ))) 981 981 ))) 982 982 983 983 ((( 984 984 ((( 985 -These commands only valid for LD DS75, as below:999 +These commands only valid for LLDS12, as below: 986 986 ))) 987 987 ))) 988 988 989 989 990 990 991 -== 3.1AccessATCommands ==1005 +== 4.1 Set Transmit Interval Time == 992 992 993 - LDDS75 supportsATCommand setin the stock firmware.You canuse a USB toTTL adapterto connect to LDDS75 for using ATcommand, asbelow.1007 +Feature: Change LoRaWAN End Node Transmit Interval. 994 994 995 - [[image:image-20220610172924-4.png||height="483"width="988"]]1009 +(% style="color:#037691" %)**AT Command: AT+TDC** 996 996 1011 +[[image:image-20220607171554-8.png]] 997 997 998 -Or if you have below board, use below connection: 999 999 1014 +((( 1015 +(% style="color:#037691" %)**Downlink Command: 0x01** 1016 +))) 1000 1000 1001 -[[image:image-20220610172924-5.png]] 1018 +((( 1019 +Format: Command Code (0x01) followed by 3 bytes time value. 1020 +))) 1002 1002 1022 +((( 1023 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1024 +))) 1003 1003 1004 -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: 1026 +* ((( 1027 +Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1028 +))) 1029 +* ((( 1030 +Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1031 +))) 1005 1005 1033 +== 4.2 Set Interrupt Mode == 1006 1006 1007 - [[image:image-20220610172924-6.png||height="601"width="860"]]1035 +Feature, Set Interrupt mode for GPIO_EXIT. 1008 1008 1037 +(% style="color:#037691" %)**AT Command: AT+INTMOD** 1009 1009 1039 +[[image:image-20220610105806-2.png]] 1010 1010 1011 -== 3.2 Set Transmit Interval Time == 1012 1012 1013 -Feature: Change LoRaWAN End Node Transmit Interval. 1042 +((( 1043 +(% style="color:#037691" %)**Downlink Command: 0x06** 1044 +))) 1014 1014 1015 -(% style="color:#037691" %)**AT Command: AT+TDC** 1046 +((( 1047 +Format: Command Code (0x06) followed by 3 bytes. 1048 +))) 1016 1016 1017 -[[image:image-20220610173409-7.png]] 1050 +((( 1051 +This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1052 +))) 1018 1018 1054 +* ((( 1055 +Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1056 +))) 1057 +* ((( 1058 +Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1059 +))) 1019 1019 1061 +== 4.3 Get Firmware Version Info == 1062 + 1063 +Feature: use downlink to get firmware version. 1064 + 1065 +(% style="color:#037691" %)**Downlink Command: 0x26** 1066 + 1067 +[[image:image-20220607171917-10.png]] 1068 + 1069 +* Reply to the confirmation package: 26 01 1070 +* Reply to non-confirmed packet: 26 00 1071 + 1072 +Device will send an uplink after got this downlink command. With below payload: 1073 + 1074 +Configures info payload: 1075 + 1076 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 1077 +|=((( 1078 +**Size(bytes)** 1079 +)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1** 1080 +|**Value**|Software Type|((( 1081 +Frequency 1082 + 1083 +Band 1084 +)))|Sub-band|((( 1085 +Firmware 1086 + 1087 +Version 1088 +)))|Sensor Type|Reserve|((( 1089 +[[Message Type>>||anchor="H2.3.7A0MessageType"]] 1090 +Always 0x02 1091 +))) 1092 + 1093 +**Software Type**: Always 0x03 for LLDS12 1094 + 1095 + 1096 +**Frequency Band**: 1097 + 1098 +*0x01: EU868 1099 + 1100 +*0x02: US915 1101 + 1102 +*0x03: IN865 1103 + 1104 +*0x04: AU915 1105 + 1106 +*0x05: KZ865 1107 + 1108 +*0x06: RU864 1109 + 1110 +*0x07: AS923 1111 + 1112 +*0x08: AS923-1 1113 + 1114 +*0x09: AS923-2 1115 + 1116 +*0xa0: AS923-3 1117 + 1118 + 1119 +**Sub-Band**: value 0x00 ~~ 0x08 1120 + 1121 + 1122 +**Firmware Version**: 0x0100, Means: v1.0.0 version 1123 + 1124 + 1125 +**Sensor Type**: 1126 + 1127 +0x01: LSE01 1128 + 1129 +0x02: LDDS75 1130 + 1131 +0x03: LDDS20 1132 + 1133 +0x04: LLMS01 1134 + 1135 +0x05: LSPH01 1136 + 1137 +0x06: LSNPK01 1138 + 1139 +0x07: LLDS12 1140 + 1141 + 1142 + 1143 += 5. Battery & How to replace = 1144 + 1145 +== 5.1 Battery Type == 1146 + 1020 1020 ((( 1021 - (%style="color:#037691"%)**DownlinkCommand:0x01**1148 +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. 1022 1022 ))) 1023 1023 1024 1024 ((( 1152 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 1153 +))) 1154 + 1155 +[[image:1654593587246-335.png]] 1156 + 1157 + 1158 +Minimum Working Voltage for the LLDS12: 1159 + 1160 +LLDS12: 2.45v ~~ 3.6v 1161 + 1162 + 1163 + 1164 +== 5.2 Replace Battery == 1165 + 1025 1025 ((( 1026 -Format: Command Code (0x01) followed by 3 bytes time value. 1167 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 1168 +))) 1027 1027 1028 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1170 +((( 1171 +And make sure the positive and negative pins match. 1172 +))) 1029 1029 1030 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1031 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1174 + 1175 + 1176 +== 5.3 Power Consumption Analyze == 1177 + 1178 +((( 1179 +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. 1032 1032 ))) 1033 1033 1182 +((( 1183 +Instruction to use as below: 1184 +))) 1034 1034 1035 - 1186 + 1187 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: 1188 + 1189 +[[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/]] 1190 + 1191 + 1192 +**Step 2**: Open it and choose 1193 + 1194 +* Product Model 1195 +* Uplink Interval 1196 +* Working Mode 1197 + 1198 +And the Life expectation in difference case will be shown on the right. 1199 + 1200 +[[image:1654593605679-189.png]] 1201 + 1202 + 1203 +The battery related documents as below: 1204 + 1205 +* ((( 1206 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 1036 1036 ))) 1208 +* ((( 1209 +[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], 1210 +))) 1211 +* ((( 1212 +[[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]] 1213 +))) 1037 1037 1038 - == 3.3 Set Interrupt Mode ==1215 +[[image:image-20220607172042-11.png]] 1039 1039 1040 -Feature, Set Interrupt mode for GPIO_EXIT. 1041 1041 1042 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD** 1043 1043 1044 - [[image:image-20220610174917-9.png]]1219 +=== 5.3.1 Battery Note === 1045 1045 1221 +((( 1222 +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. 1223 +))) 1046 1046 1047 -(% style="color:#037691" %)**Downlink Command: 0x06** 1048 1048 1049 -Format: Command Code (0x06) followed by 3 bytes. 1050 1050 1051 - Thismeansthat theinterrupt modeoftheend node is seto 0x000003=3 (risingedge trigger), and the typecode is 06.1227 +=== 5.3.2 Replace the battery === 1052 1052 1053 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1054 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1229 +((( 1230 +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. 1231 +))) 1055 1055 1056 -= 4. FAQ = 1233 +((( 1234 +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) 1235 +))) 1057 1057 1058 -== 4.1 What is the frequency plan for LDDS75? == 1059 1059 1060 -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"]] 1061 1061 1239 += 6. Use AT Command = 1062 1062 1241 +== 6.1 Access AT Commands == 1063 1063 1064 - == 4.2Howtochange theLoRaFrequencyBands/Region==1243 +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. 1065 1065 1066 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1067 -When downloading the images, choose the required image file for download. 1245 +[[image:1654593668970-604.png]] 1068 1068 1247 +**Connection:** 1069 1069 1249 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND** 1070 1070 1071 - ==4.3 Can I useLDDS75 incondensation environment?==1251 +(% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD** 1072 1072 1073 - LDDS75isnotsuitabletobe used in condensation environment. Condensationon the LDDS75 probewillaffectthereadingandalwaysgot 0.1253 +(% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD** 1074 1074 1075 1075 1256 +((( 1257 +((( 1258 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12. 1259 +))) 1076 1076 1077 -= 5. Trouble Shooting = 1261 +((( 1262 +LLDS12 will output system info once power on as below: 1263 +))) 1264 +))) 1078 1078 1079 -== 5.1 Why I can’t join TTN V3 in US915 / AU915 bands? == 1080 1080 1081 - Itis due to channel mapping. Please see below link:[[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]1267 + [[image:1654593712276-618.png]] 1082 1082 1269 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]]. 1083 1083 1084 -== 5.2 AT Command input doesn't work == 1085 1085 1272 += 7. FAQ = 1273 + 1274 +== 7.1 How to change the LoRa Frequency Bands/Region == 1275 + 1276 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1277 +When downloading the images, choose the required image file for download. 1278 + 1279 + 1280 += 8. Trouble Shooting = 1281 + 1282 +== 8.1 AT Commands input doesn’t work == 1283 + 1284 + 1285 +((( 1086 1086 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. 1287 +))) 1087 1087 1289 + 1290 +== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1291 + 1292 + 1088 1088 ((( 1294 +(% 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.) 1295 +))) 1296 + 1297 +((( 1298 +Troubleshooting: Please avoid use of this product under such circumstance in practice. 1299 +))) 1300 + 1301 +((( 1089 1089 1090 1090 ))) 1091 1091 1305 +((( 1306 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1307 +))) 1092 1092 1093 -= 6. Order Info = 1309 +((( 1310 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1311 +))) 1094 1094 1095 1095 1096 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 1097 1097 1315 += 9. Order Info = 1098 1098 1099 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band 1100 1100 1101 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 1102 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 1103 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band 1104 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band 1105 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band 1106 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band 1107 -* (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 1108 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 1318 +Part Number: (% style="color:blue" %)**LLDS12-XX** 1109 1109 1110 -(% style="color:blue" %)**YY**(%%): Battery Option 1111 1111 1112 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1113 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1321 +(% style="color:blue" %)**XX**(%%): The default frequency band 1114 1114 1115 -= 7. Packing Info = 1323 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 1324 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 1325 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 1326 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 1327 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 1328 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 1329 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1330 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1116 1116 1332 += 10. Packing Info = 1117 1117 1334 + 1118 1118 **Package Includes**: 1119 1119 1120 -* LD DS75LoRaWAN DistanceDetectionSensor x 11337 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1 1121 1121 1122 1122 **Dimension and weight**: 1123 1123 ... ... @@ -1126,7 +1126,7 @@ 1126 1126 * Package Size / pcs : cm 1127 1127 * Weight / pcs : g 1128 1128 1129 -= 8. Support =1346 += 11. Support = 1130 1130 1131 1131 * 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. 1132 1132 * 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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