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 ... ... @@ -76,11 +76,10 @@ 76 76 == 1.2 Features == 77 77 78 78 * LoRaWAN 1.0.3 Class A 79 -* Ultra -low power consumption48 +* Ultra low power consumption 80 80 * Distance Detection by Ultrasonic technology 81 -* Flat object range 30mm -4500mm50 +* Flat object range 280mm - 7500mm 82 82 * Accuracy: ±(1cm+S*0.3%) (S: Distance) 83 -* Measure Angle: 60° 84 84 * Cable Length : 25cm 85 85 * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865 86 86 * AT Commands to change parameters ... ... @@ -87,10 +87,9 @@ 87 87 * Uplink on periodically 88 88 * Downlink to change configure 89 89 * IP66 Waterproof Enclosure 90 -* 8500mAh Battery for long term use 58 +* 4000mAh or 8500mAh Battery for long term use 91 91 92 92 93 - 94 94 == 1.3 Specification == 95 95 96 96 === 1.3.1 Rated environmental conditions === ... ... @@ -97,12 +97,12 @@ 97 97 98 98 [[image:image-20220610154839-1.png]] 99 99 100 -((( 101 -**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)** 102 -))) 67 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);** 103 103 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)** 104 104 105 105 72 + 106 106 === 1.3.2 Effective measurement range Reference beam pattern === 107 107 108 108 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** ... ... @@ -112,10 +112,7 @@ 112 112 [[image:1654852253176-749.png]] 113 113 114 114 115 - 116 -((( 117 117 **(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.** 118 -))) 119 119 120 120 121 121 [[image:1654852175653-550.png]](% style="display:none" %) ** ** ... ... @@ -135,7 +135,6 @@ 135 135 * Bottom water level monitoring 136 136 137 137 138 - 139 139 == 1.6 Pin mapping and power on == 140 140 141 141 ... ... @@ -182,17 +182,11 @@ 182 182 [[image:image-20220607170145-1.jpeg]] 183 183 184 184 185 -((( 186 186 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 187 -))) 188 188 189 -((( 190 190 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 191 -))) 192 192 193 -((( 194 194 **Add APP EUI in the application** 195 -))) 196 196 197 197 [[image:image-20220610161353-4.png]] 198 198 ... ... @@ -235,15 +235,11 @@ 235 235 == 2.3 Uplink Payload == 236 236 237 237 ((( 238 -((( 239 239 LDDS75 will uplink payload via LoRaWAN with below payload format: 240 -))) 241 241 242 -((( 243 243 Uplink payload includes in total 4 bytes. 244 244 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 245 245 ))) 246 -))) 247 247 248 248 ((( 249 249 ... ... @@ -254,12 +254,12 @@ 254 254 **Size (bytes)** 255 255 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1** 256 256 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 257 -[[Distance>>||anchor="H2.3. 2A0Distance"]]210 +[[Distance>>||anchor="H2.3.3A0Distance"]] 258 258 259 259 (unit: mm) 260 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3. 3A0InterruptPin"]]|(((261 -[[Temperature (Optional )>>||anchor="H2.3. 4A0DS18B20Temperaturesensor"]]262 -)))|[[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]] 263 263 264 264 [[image:1654850511545-399.png]] 265 265 ... ... @@ -278,13 +278,9 @@ 278 278 279 279 === 2.3.2 Distance === 280 280 281 -((( 282 282 Get the distance. Flat object range 280mm - 7500mm. 283 -))) 284 284 285 -((( 286 286 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.** 287 -))) 288 288 289 289 290 290 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. ... ... @@ -291,10 +291,9 @@ 291 291 * 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. 292 292 293 293 294 - 295 295 === 2.3.3 Interrupt Pin === 296 296 297 -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. 298 298 299 299 **Example:** 300 300 ... ... @@ -320,18 +320,14 @@ 320 320 321 321 === 2.3.5 Sensor Flag === 322 322 323 -((( 324 324 0x01: Detect Ultrasonic Sensor 325 -))) 326 326 327 -((( 328 328 0x00: No Ultrasonic Sensor 329 -))) 330 330 331 331 276 +=== 277 +(% style="color:inherit; font-family:inherit" %)2.3.6 Decode payload in The Things Network(%%) === 332 332 333 -=== 2.3.6 Decode payload in The Things Network === 334 - 335 335 While using TTN network, you can add the payload format to decode the payload. 336 336 337 337 ... ... @@ -339,9 +339,7 @@ 339 339 340 340 The payload decoder function for TTN V3 is here: 341 341 342 -((( 343 343 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/]] 344 -))) 345 345 346 346 347 347 ... ... @@ -868,21 +868,13 @@ 868 868 * Blink once when device transmit a packet. 869 869 870 870 871 - 872 872 == 2.8 Firmware Change Log == 873 873 874 874 875 -((( 876 876 **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/]] 877 -))) 878 878 879 -((( 880 - 881 -))) 882 882 883 -((( 884 884 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 885 -))) 886 886 887 887 888 888 ... ... @@ -891,13 +891,11 @@ 891 891 892 892 [[image:image-20220610172003-1.png]] 893 893 894 - 895 895 [[image:image-20220610172003-2.png]] 896 896 897 897 831 +== 2.10 Battery Analysis == 898 898 899 -== 2.10 Battery Analysis == 900 - 901 901 === 2.10.1 Battery Type === 902 902 903 903 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. ... ... @@ -906,7 +906,7 @@ 906 906 The battery related documents as below: 907 907 908 908 * ((( 909 -[[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]], 910 910 ))) 911 911 * ((( 912 912 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -922,7 +922,7 @@ 922 922 === 2.10.2 Replace the battery === 923 923 924 924 ((( 925 -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. 926 926 ))) 927 927 928 928 ((( ... ... @@ -930,12 +930,12 @@ 930 930 ))) 931 931 932 932 ((( 933 -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) 934 934 ))) 935 935 936 936 937 937 938 -= 3. Configure LD DS75via AT Command or LoRaWAN Downlink =870 += 3. Configure LLDS12 via AT Command or LoRaWAN Downlink = 939 939 940 940 ((( 941 941 ((( ... ... @@ -945,7 +945,7 @@ 945 945 946 946 * ((( 947 947 ((( 948 -AT Command Connection: See [[FAQ>>||anchor="H 4.A0FAQ"]].880 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 949 949 ))) 950 950 ))) 951 951 * ((( ... ... @@ -1026,9 +1026,7 @@ 1026 1026 [[image:image-20220610172924-5.png]] 1027 1027 1028 1028 1029 -((( 1030 1030 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: 1031 -))) 1032 1032 1033 1033 1034 1034 [[image:image-20220610172924-6.png||height="601" width="860"]] ... ... @@ -1044,6 +1044,8 @@ 1044 1044 [[image:image-20220610173409-7.png]] 1045 1045 1046 1046 977 + 978 + 1047 1047 ((( 1048 1048 (% style="color:#037691" %)**Downlink Command: 0x01** 1049 1049 ))) ... ... @@ -1052,108 +1052,293 @@ 1052 1052 ((( 1053 1053 Format: Command Code (0x01) followed by 3 bytes time value. 1054 1054 1055 -((( 1056 1056 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1057 -))) 1058 1058 1059 1059 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1060 1060 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1061 1061 ))) 992 + 993 + 994 + 1062 1062 ))) 1063 1063 997 +== 3.3 Get Firmware Version Info == 1064 1064 999 +Feature: use downlink to get firmware version. 1065 1065 1001 +(% style="color:#037691" %)**Downlink Command: 0x26** 1066 1066 1003 +[[image:image-20220607171917-10.png]] 1067 1067 1068 -== 3.3 Set Interrupt Mode == 1005 +* Reply to the confirmation package: 26 01 1006 +* Reply to non-confirmed packet: 26 00 1069 1069 1070 - Feature,SetInterruptmodeforGPIO_EXIT.1008 +Device will send an uplink after got this downlink command. With below payload: 1071 1071 1072 - (% style="color:#037691"%)**DownlinkCommand:AT+INTMOD**1010 +Configures info payload: 1073 1073 1074 -[[image:image-20220610174917-9.png]] 1012 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 1013 +|=((( 1014 +**Size(bytes)** 1015 +)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1** 1016 +|**Value**|Software Type|((( 1017 +Frequency 1075 1075 1019 +Band 1020 +)))|Sub-band|((( 1021 +Firmware 1076 1076 1077 -(% style="color:#037691" %)**Downlink Command: 0x06** 1023 +Version 1024 +)))|Sensor Type|Reserve|((( 1025 +[[Message Type>>||anchor="H2.3.7A0MessageType"]] 1026 +Always 0x02 1027 +))) 1078 1078 1079 - Format: CommandCode(0x06)followedby 3 bytes.1029 +**Software Type**: Always 0x03 for LLDS12 1080 1080 1031 + 1032 +**Frequency Band**: 1033 + 1034 +*0x01: EU868 1035 + 1036 +*0x02: US915 1037 + 1038 +*0x03: IN865 1039 + 1040 +*0x04: AU915 1041 + 1042 +*0x05: KZ865 1043 + 1044 +*0x06: RU864 1045 + 1046 +*0x07: AS923 1047 + 1048 +*0x08: AS923-1 1049 + 1050 +*0x09: AS923-2 1051 + 1052 +*0xa0: AS923-3 1053 + 1054 + 1055 +**Sub-Band**: value 0x00 ~~ 0x08 1056 + 1057 + 1058 +**Firmware Version**: 0x0100, Means: v1.0.0 version 1059 + 1060 + 1061 +**Sensor Type**: 1062 + 1063 +0x01: LSE01 1064 + 1065 +0x02: LDDS75 1066 + 1067 +0x03: LDDS20 1068 + 1069 +0x04: LLMS01 1070 + 1071 +0x05: LSPH01 1072 + 1073 +0x06: LSNPK01 1074 + 1075 +0x07: LLDS12 1076 + 1077 + 1078 + 1079 += 5. Battery & How to replace = 1080 + 1081 +== 5.1 Battery Type == 1082 + 1081 1081 ((( 1082 - Thismeansthattheinterruptmodeof the endodeseto0x000003=3(rising edge trigger),andthe type code is06.1084 +LLDS12 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter. 1083 1083 ))) 1084 1084 1085 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1086 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1087 +((( 1088 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 1089 +))) 1087 1087 1091 +[[image:1654593587246-335.png]] 1088 1088 1089 1089 1090 - =4.FAQ=1094 +Minimum Working Voltage for the LLDS12: 1091 1091 1092 - == 4.1 What is the frequency plan forLDDS75?==1096 +LLDS12: 2.45v ~~ 3.6v 1093 1093 1094 -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"]] 1095 1095 1096 1096 1100 +== 5.2 Replace Battery == 1097 1097 1098 -== 4.2 How to change the LoRa Frequency Bands/Region == 1102 +((( 1103 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 1104 +))) 1099 1099 1100 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1101 -When downloading the images, choose the required image file for download. 1106 +((( 1107 +And make sure the positive and negative pins match. 1108 +))) 1102 1102 1103 1103 1104 1104 1105 -== 4.3Can I useLDDS75 in condensationenvironment?==1112 +== 5.3 Power Consumption Analyze == 1106 1106 1107 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0. 1114 +((( 1115 +Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval. 1116 +))) 1108 1108 1118 +((( 1119 +Instruction to use as below: 1120 +))) 1109 1109 1110 1110 1111 - =5.TroubleShooting=1123 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: 1112 1112 1113 - == 5.1 Why I can’t joinTTN V3inUS915/U915 bands?=1125 +[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]] 1114 1114 1115 -It is due to channel mapping. Please see below link: [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1116 1116 1128 +**Step 2**: Open it and choose 1117 1117 1118 -== 5.2 AT Command input doesn't work == 1130 +* Product Model 1131 +* Uplink Interval 1132 +* Working Mode 1119 1119 1134 +And the Life expectation in difference case will be shown on the right. 1135 + 1136 +[[image:1654593605679-189.png]] 1137 + 1138 + 1139 +The battery related documents as below: 1140 + 1141 +* ((( 1142 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 1143 +))) 1144 +* ((( 1145 +[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], 1146 +))) 1147 +* ((( 1148 +[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]] 1149 +))) 1150 + 1151 +[[image:image-20220607172042-11.png]] 1152 + 1153 + 1154 + 1155 +=== 5.3.1 Battery Note === 1156 + 1157 +((( 1158 +The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased. 1159 +))) 1160 + 1161 + 1162 + 1163 +=== 5.3.2 Replace the battery === 1164 + 1165 +((( 1166 +You can change the battery in the LLDS12.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board. 1167 +))) 1168 + 1169 +((( 1170 +The default battery pack of LLDS12 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes) 1171 +))) 1172 + 1173 + 1174 + 1175 += 6. Use AT Command = 1176 + 1177 +== 6.1 Access AT Commands == 1178 + 1179 +LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below. 1180 + 1181 +[[image:1654593668970-604.png]] 1182 + 1183 +**Connection:** 1184 + 1185 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND** 1186 + 1187 +(% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD** 1188 + 1189 +(% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD** 1190 + 1191 + 1192 +((( 1193 +((( 1194 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12. 1195 +))) 1196 + 1197 +((( 1198 +LLDS12 will output system info once power on as below: 1199 +))) 1200 +))) 1201 + 1202 + 1203 + [[image:1654593712276-618.png]] 1204 + 1205 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]]. 1206 + 1207 + 1208 += 7. FAQ = 1209 + 1210 +== 7.1 How to change the LoRa Frequency Bands/Region == 1211 + 1212 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1213 +When downloading the images, choose the required image file for download. 1214 + 1215 + 1216 += 8. Trouble Shooting = 1217 + 1218 +== 8.1 AT Commands input doesn’t work == 1219 + 1220 + 1221 +((( 1120 1120 In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string. 1223 +))) 1121 1121 1225 + 1226 +== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1227 + 1228 + 1122 1122 ((( 1123 - 1230 +(% style="color:blue" %)**Cause ①**(%%)**:**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.) 1124 1124 ))) 1125 1125 1233 +((( 1234 +Troubleshooting: Please avoid use of this product under such circumstance in practice. 1235 +))) 1126 1126 1127 -= 6. Order Info = 1237 +((( 1238 + 1239 +))) 1128 1128 1241 +((( 1242 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1243 +))) 1129 1129 1130 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 1245 +((( 1246 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1247 +))) 1131 1131 1132 1132 1133 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band 1134 1134 1135 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 1136 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 1137 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band 1138 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band 1139 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band 1140 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band 1141 -* (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 1142 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 1251 += 9. Order Info = 1143 1143 1144 -(% style="color:blue" %)**YY**(%%): Battery Option 1145 1145 1146 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1147 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1254 +Part Number: (% style="color:blue" %)**LLDS12-XX** 1148 1148 1149 1149 1257 +(% style="color:blue" %)**XX**(%%): The default frequency band 1150 1150 1151 -= 7. Packing Info = 1259 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 1260 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 1261 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 1262 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 1263 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 1264 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 1265 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1266 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1152 1152 1268 += 10. Packing Info = 1153 1153 1270 + 1154 1154 **Package Includes**: 1155 1155 1156 -* LD DS75LoRaWAN DistanceDetectionSensor x 11273 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1 1157 1157 1158 1158 **Dimension and weight**: 1159 1159 ... ... @@ -1162,9 +1162,7 @@ 1162 1162 * Package Size / pcs : cm 1163 1163 * Weight / pcs : g 1164 1164 1282 += 11. Support = 1165 1165 1166 - 1167 -= 8. Support = 1168 - 1169 1169 * 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. 1170 1170 * 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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