Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Last modified by Xiaoling on 2025/04/27 13:54
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... ... @@ -1,1 +1,1 @@ 1 -LDDS 45 - LoRaWAN Distance Detection Sensor User Manual1 +LDDS75 - LoRaWAN Distance Detection Sensor User Manual - Content
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... ... @@ -1,9 +1,8 @@ 1 1 (% style="text-align:center" %) 2 -[[image:1654 912614655-664.png||height="530" width="628"]]2 +[[image:1654846127817-788.png]] 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 == ... ... @@ -20,56 +20,27 @@ 20 20 21 21 22 22 ((( 23 -((( 24 -The Dragino LDDS45 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 LDDS45 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 -))) 21 +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. 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 -The LoRa wireless technology used in LDDS45 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 -))) 27 +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. 42 42 43 -((( 44 - 45 -))) 46 46 47 -((( 48 -LDDS45 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*. 49 -))) 30 +LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*. 50 50 51 -((( 52 - 53 -))) 54 54 55 -((( 56 -Each LDDS45 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 -))) 33 +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. 58 58 59 -((( 60 - 61 -))) 62 62 63 -((( 64 -(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors. 65 - 66 - 36 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors 67 67 ))) 68 68 ))) 69 -))) 70 70 71 -[[image:1654912858581-740.png]] 72 72 41 +[[image:1654847051249-359.png]] 73 73 74 74 75 75 ... ... @@ -89,7 +89,6 @@ 89 89 * 4000mAh or 8500mAh Battery for long term use 90 90 91 91 92 - 93 93 == 1.3 Specification == 94 94 95 95 === 1.3.1 Rated environmental conditions === ... ... @@ -96,12 +96,12 @@ 96 96 97 97 [[image:image-20220610154839-1.png]] 98 98 99 -((( 100 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing); b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 101 -))) 67 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);** 102 102 69 +**b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 103 103 104 104 72 + 105 105 === 1.3.2 Effective measurement range Reference beam pattern === 106 106 107 107 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** ... ... @@ -111,10 +111,7 @@ 111 111 [[image:1654852253176-749.png]] 112 112 113 113 114 - 115 -((( 116 116 **(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.** 117 -))) 118 118 119 119 120 120 [[image:1654852175653-550.png]](% style="display:none" %) ** ** ... ... @@ -134,7 +134,6 @@ 134 134 * Bottom water level monitoring 135 135 136 136 137 - 138 138 == 1.6 Pin mapping and power on == 139 139 140 140 ... ... @@ -181,17 +181,11 @@ 181 181 [[image:image-20220607170145-1.jpeg]] 182 182 183 183 184 -((( 185 185 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 186 -))) 187 187 188 -((( 189 189 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 190 -))) 191 191 192 -((( 193 193 **Add APP EUI in the application** 194 -))) 195 195 196 196 [[image:image-20220610161353-4.png]] 197 197 ... ... @@ -234,15 +234,11 @@ 234 234 == 2.3 Uplink Payload == 235 235 236 236 ((( 237 -((( 238 238 LDDS75 will uplink payload via LoRaWAN with below payload format: 239 -))) 240 240 241 -((( 242 242 Uplink payload includes in total 4 bytes. 243 243 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 244 244 ))) 245 -))) 246 246 247 247 ((( 248 248 ... ... @@ -253,12 +253,12 @@ 253 253 **Size (bytes)** 254 254 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1** 255 255 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 256 -[[Distance>>||anchor="H2.3. 2A0Distance"]]210 +[[Distance>>||anchor="H2.3.3A0Distance"]] 257 257 258 258 (unit: mm) 259 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3. 3A0InterruptPin"]]|(((260 -[[Temperature (Optional )>>||anchor="H2.3. 4A0DS18B20Temperaturesensor"]]261 -)))|[[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]] 262 262 263 263 [[image:1654850511545-399.png]] 264 264 ... ... @@ -277,13 +277,9 @@ 277 277 278 278 === 2.3.2 Distance === 279 279 280 -((( 281 281 Get the distance. Flat object range 280mm - 7500mm. 282 -))) 283 283 284 -((( 285 285 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.** 286 -))) 287 287 288 288 289 289 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. ... ... @@ -290,10 +290,9 @@ 290 290 * 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. 291 291 292 292 293 - 294 294 === 2.3.3 Interrupt Pin === 295 295 296 -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. 297 297 298 298 **Example:** 299 299 ... ... @@ -319,18 +319,14 @@ 319 319 320 320 === 2.3.5 Sensor Flag === 321 321 322 -((( 323 323 0x01: Detect Ultrasonic Sensor 324 -))) 325 325 326 -((( 327 327 0x00: No Ultrasonic Sensor 328 -))) 329 329 330 330 276 +=== 277 +(% style="color:inherit; font-family:inherit" %)2.3.6 Decode payload in The Things Network(%%) === 331 331 332 -=== 2.3.6 Decode payload in The Things Network === 333 - 334 334 While using TTN network, you can add the payload format to decode the payload. 335 335 336 336 ... ... @@ -338,9 +338,7 @@ 338 338 339 339 The payload decoder function for TTN V3 is here: 340 340 341 -((( 342 342 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/]] 343 -))) 344 344 345 345 346 346 ... ... @@ -867,21 +867,13 @@ 867 867 * Blink once when device transmit a packet. 868 868 869 869 870 - 871 871 == 2.8 Firmware Change Log == 872 872 873 873 874 -((( 875 875 **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/]] 876 -))) 877 877 878 -((( 879 - 880 -))) 881 881 882 -((( 883 883 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 884 -))) 885 885 886 886 887 887 ... ... @@ -890,13 +890,11 @@ 890 890 891 891 [[image:image-20220610172003-1.png]] 892 892 893 - 894 894 [[image:image-20220610172003-2.png]] 895 895 896 896 831 +== 2.10 Battery Analysis == 897 897 898 -== 2.10 Battery Analysis == 899 - 900 900 === 2.10.1 Battery Type === 901 901 902 902 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. ... ... @@ -905,7 +905,7 @@ 905 905 The battery related documents as below: 906 906 907 907 * ((( 908 -[[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]], 909 909 ))) 910 910 * ((( 911 911 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -921,7 +921,7 @@ 921 921 === 2.10.2 Replace the battery === 922 922 923 923 ((( 924 -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. 925 925 ))) 926 926 927 927 ((( ... ... @@ -929,12 +929,12 @@ 929 929 ))) 930 930 931 931 ((( 932 -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) 933 933 ))) 934 934 935 935 936 936 937 -= 3. Configure LD DS75via AT Command or LoRaWAN Downlink =870 += 3. Configure LLDS12 via AT Command or LoRaWAN Downlink = 938 938 939 939 ((( 940 940 ((( ... ... @@ -944,7 +944,7 @@ 944 944 945 945 * ((( 946 946 ((( 947 -AT Command Connection: See [[FAQ>>||anchor="H 4.A0FAQ"]].880 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 948 948 ))) 949 949 ))) 950 950 * ((( ... ... @@ -1025,9 +1025,7 @@ 1025 1025 [[image:image-20220610172924-5.png]] 1026 1026 1027 1027 1028 -((( 1029 1029 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: 1030 -))) 1031 1031 1032 1032 1033 1033 [[image:image-20220610172924-6.png||height="601" width="860"]] ... ... @@ -1043,6 +1043,8 @@ 1043 1043 [[image:image-20220610173409-7.png]] 1044 1044 1045 1045 977 + 978 + 1046 1046 ((( 1047 1047 (% style="color:#037691" %)**Downlink Command: 0x01** 1048 1048 ))) ... ... @@ -1051,35 +1051,31 @@ 1051 1051 ((( 1052 1052 Format: Command Code (0x01) followed by 3 bytes time value. 1053 1053 1054 -((( 1055 1055 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1056 -))) 1057 1057 1058 1058 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1059 1059 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1060 1060 ))) 1061 -))) 1062 1062 1063 1063 994 + 995 +))) 1064 1064 1065 - 1066 - 1067 1067 == 3.3 Set Interrupt Mode == 1068 1068 1069 1069 Feature, Set Interrupt mode for GPIO_EXIT. 1070 1070 1001 + 1071 1071 (% style="color:#037691" %)**Downlink Command: AT+INTMOD** 1072 1072 1073 -[[image:image-202206101 74917-9.png]]1004 +[[image:image-20220610105907-1.png]] 1074 1074 1075 1075 1076 - (% style="color:#037691" %)**Downlink Command: 0x06**1007 +**Downlink Command: 0x06** 1077 1077 1078 1078 Format: Command Code (0x06) followed by 3 bytes. 1079 1079 1080 -((( 1081 1081 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1082 -))) 1083 1083 1084 1084 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1085 1085 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger ... ... @@ -1086,73 +1086,201 @@ 1086 1086 1087 1087 1088 1088 1089 -= 4.FAQ=1018 += 5. Battery & How to replace = 1090 1090 1091 -== 4.1Whatisthefrequency planfor LDDS75?==1020 +== 5.1 Battery Type == 1092 1092 1093 -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"]] 1022 +((( 1023 +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. 1024 +))) 1094 1094 1026 +((( 1027 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 1028 +))) 1095 1095 1030 +[[image:1654593587246-335.png]] 1096 1096 1097 -== 4.2 How to change the LoRa Frequency Bands/Region == 1098 1098 1099 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1100 -When downloading the images, choose the required image file for download. 1033 +Minimum Working Voltage for the LLDS12: 1101 1101 1035 +LLDS12: 2.45v ~~ 3.6v 1102 1102 1103 1103 1104 -== 4.3 Can I use LDDS75 in condensation environment? == 1105 1105 1106 - LDDS75is not suitable to be used in condensation environment.Condensation on the LDDS75probe willaffecttheeading and alwaysgot 0.1039 +== 5.2 Replace Battery == 1107 1107 1041 +((( 1042 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 1043 +))) 1108 1108 1045 +((( 1046 +And make sure the positive and negative pins match. 1047 +))) 1109 1109 1110 -= 5. Trouble Shooting = 1111 1111 1112 -== 5.1 Why I can’t join TTN V3 in US915 / AU915 bands? == 1113 1113 1114 - Itis due to channel mapping. Please see belowlink: [[Frequencyband>>doc:Main.LoRaWANCommunication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]1051 +== 5.3 Power Consumption Analyze == 1115 1115 1053 +((( 1054 +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. 1055 +))) 1116 1116 1117 -== 5.2 AT Command input doesn't work == 1057 +((( 1058 +Instruction to use as below: 1059 +))) 1118 1118 1061 + 1062 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: 1063 + 1064 +[[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/]] 1065 + 1066 + 1067 +**Step 2**: Open it and choose 1068 + 1069 +* Product Model 1070 +* Uplink Interval 1071 +* Working Mode 1072 + 1073 +And the Life expectation in difference case will be shown on the right. 1074 + 1075 +[[image:1654593605679-189.png]] 1076 + 1077 + 1078 +The battery related documents as below: 1079 + 1080 +* ((( 1081 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 1082 +))) 1083 +* ((( 1084 +[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], 1085 +))) 1086 +* ((( 1087 +[[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]] 1088 +))) 1089 + 1090 +[[image:image-20220607172042-11.png]] 1091 + 1092 + 1093 + 1094 +=== 5.3.1 Battery Note === 1095 + 1096 +((( 1097 +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. 1098 +))) 1099 + 1100 + 1101 + 1102 +=== 5.3.2 Replace the battery === 1103 + 1104 +((( 1105 +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. 1106 +))) 1107 + 1108 +((( 1109 +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) 1110 +))) 1111 + 1112 + 1113 + 1114 += 6. Use AT Command = 1115 + 1116 +== 6.1 Access AT Commands == 1117 + 1118 +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. 1119 + 1120 +[[image:1654593668970-604.png]] 1121 + 1122 +**Connection:** 1123 + 1124 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND** 1125 + 1126 +(% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD** 1127 + 1128 +(% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD** 1129 + 1130 + 1131 +((( 1132 +((( 1133 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12. 1134 +))) 1135 + 1136 +((( 1137 +LLDS12 will output system info once power on as below: 1138 +))) 1139 +))) 1140 + 1141 + 1142 + [[image:1654593712276-618.png]] 1143 + 1144 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]]. 1145 + 1146 + 1147 += 7. FAQ = 1148 + 1149 +== 7.1 How to change the LoRa Frequency Bands/Region == 1150 + 1151 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1152 +When downloading the images, choose the required image file for download. 1153 + 1154 + 1155 += 8. Trouble Shooting = 1156 + 1157 +== 8.1 AT Commands input doesn’t work == 1158 + 1159 + 1160 +((( 1119 1119 In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string. 1162 +))) 1120 1120 1164 + 1165 +== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1166 + 1167 + 1121 1121 ((( 1122 - 1169 +(% 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.) 1123 1123 ))) 1124 1124 1172 +((( 1173 +Troubleshooting: Please avoid use of this product under such circumstance in practice. 1174 +))) 1125 1125 1126 -= 6. Order Info = 1176 +((( 1177 + 1178 +))) 1127 1127 1180 +((( 1181 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1182 +))) 1128 1128 1129 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 1184 +((( 1185 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1186 +))) 1130 1130 1131 1131 1132 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band 1133 1133 1134 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 1135 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 1136 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band 1137 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band 1138 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band 1139 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band 1140 -* (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 1141 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 1190 += 9. Order Info = 1142 1142 1143 -(% style="color:blue" %)**YY**(%%): Battery Option 1144 1144 1145 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1146 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1193 +Part Number: (% style="color:blue" %)**LLDS12-XX** 1147 1147 1148 1148 1196 +(% style="color:blue" %)**XX**(%%): The default frequency band 1149 1149 1150 -= 7. Packing Info = 1198 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 1199 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 1200 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 1201 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 1202 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 1203 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 1204 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1205 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1151 1151 1207 += 10. Packing Info = 1152 1152 1209 + 1153 1153 **Package Includes**: 1154 1154 1155 -* LD DS75LoRaWAN DistanceDetectionSensor x 11212 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1 1156 1156 1157 1157 **Dimension and weight**: 1158 1158 ... ... @@ -1161,9 +1161,7 @@ 1161 1161 * Package Size / pcs : cm 1162 1162 * Weight / pcs : g 1163 1163 1221 += 11. Support = 1164 1164 1165 - 1166 -= 8. Support = 1167 - 1168 1168 * 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. 1169 1169 * 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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