Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Last modified by Mengting Qiu on 2025/02/26 15:04
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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 == ... ... @@ -35,7 +35,7 @@ 35 35 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. 36 36 37 37 38 -(% 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 39 39 ))) 40 40 ))) 41 41 ... ... @@ -60,7 +60,6 @@ 60 60 * 4000mAh or 8500mAh Battery for long term use 61 61 62 62 63 - 64 64 == 1.3 Specification == 65 65 66 66 === 1.3.1 Rated environmental conditions === ... ... @@ -82,7 +82,6 @@ 82 82 [[image:1654852253176-749.png]] 83 83 84 84 85 - 86 86 **(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.** 87 87 88 88 ... ... @@ -103,8 +103,6 @@ 103 103 * Bottom water level monitoring 104 104 105 105 106 - 107 - 108 108 == 1.6 Pin mapping and power on == 109 109 110 110 ... ... @@ -245,6 +245,7 @@ 245 245 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 246 246 * 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. 247 247 242 + 248 248 === 2.3.3 Interrupt Pin === 249 249 250 250 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. ... ... @@ -278,9 +278,9 @@ 278 278 0x00: No Ultrasonic Sensor 279 279 280 280 276 +=== 277 +(% style="color:inherit; font-family:inherit" %)2.3.6 Decode payload in The Things Network(%%) === 281 281 282 -=== 2.3.6 Decode payload in The Things Network === 283 - 284 284 While using TTN network, you can add the payload format to decode the payload. 285 285 286 286 ... ... @@ -814,6 +814,7 @@ 814 814 * Solid ON for 5 seconds once device successful Join the network. 815 815 * Blink once when device transmit a packet. 816 816 812 + 817 817 == 2.8 Firmware Change Log == 818 818 819 819 ... ... @@ -832,7 +832,7 @@ 832 832 [[image:image-20220610172003-2.png]] 833 833 834 834 835 -== 2.10 Battery Analysis == 831 +== 2.10 Battery Analysis == 836 836 837 837 === 2.10.1 Battery Type === 838 838 ... ... @@ -978,6 +978,8 @@ 978 978 [[image:image-20220610173409-7.png]] 979 979 980 980 977 + 978 + 981 981 ((( 982 982 (% style="color:#037691" %)**Downlink Command: 0x01** 983 983 ))) ... ... @@ -1000,12 +1000,13 @@ 1000 1000 1001 1001 Feature, Set Interrupt mode for GPIO_EXIT. 1002 1002 1001 + 1003 1003 (% style="color:#037691" %)**Downlink Command: AT+INTMOD** 1004 1004 1005 -[[image:image-202206101 74917-9.png]]1004 +[[image:image-20220610105907-1.png]] 1006 1006 1007 1007 1008 - (% style="color:#037691" %)**Downlink Command: 0x06**1007 +**Downlink Command: 0x06** 1009 1009 1010 1010 Format: Command Code (0x06) followed by 3 bytes. 1011 1011 ... ... @@ -1014,71 +1014,203 @@ 1014 1014 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1015 1015 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1016 1016 1017 -= 4. FAQ = 1018 1018 1019 -== 4.1 What is the frequency plan for LDDS75? == 1020 1020 1021 - LDDS75usethesame frequencyasotherDraginoproducts. User can see the detailfrom this link: [[Introduction>>doc:Main.End DeviceFrequency Band.WebHome||anchor="H1.Introduction"]]1018 += 5. Battery & How to replace = 1022 1022 1020 +== 5.1 Battery Type == 1023 1023 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 +))) 1024 1024 1025 -== 4.2 How to change the LoRa Frequency Bands/Region == 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 +))) 1026 1026 1027 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1028 -When downloading the images, choose the required image file for download. 1030 +[[image:1654593587246-335.png]] 1029 1029 1030 1030 1033 +Minimum Working Voltage for the LLDS12: 1031 1031 1032 - == 4.3 Can I useLDDS75incondensation environment? ==1035 +LLDS12: 2.45v ~~ 3.6v 1033 1033 1034 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0. 1035 1035 1036 1036 1039 +== 5.2 Replace Battery == 1037 1037 1038 -= 5. Trouble Shooting = 1041 +((( 1042 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 1043 +))) 1039 1039 1040 -== 5.1 Why I can’t join TTN V3 in US915 / AU915 bands? == 1045 +((( 1046 +And make sure the positive and negative pins match. 1047 +))) 1041 1041 1042 -It is due to channel mapping. Please see below link: [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1043 1043 1044 1044 1045 -== 5. 2ATCommand inputdoesn'twork==1051 +== 5.3 Power Consumption Analyze == 1046 1046 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 +))) 1056 + 1057 +((( 1058 +Instruction to use as below: 1059 +))) 1060 + 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 +((( 1047 1047 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 +))) 1048 1048 1164 + 1165 +== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1166 + 1167 + 1049 1049 ((( 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.) 1170 +))) 1171 + 1172 +((( 1173 +Troubleshooting: Please avoid use of this product under such circumstance in practice. 1174 +))) 1175 + 1176 +((( 1050 1050 1051 1051 ))) 1052 1052 1180 +((( 1181 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1182 +))) 1053 1053 1054 -= 6. Order Info = 1184 +((( 1185 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1186 +))) 1055 1055 1056 1056 1057 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 1058 1058 1190 += 9. Order Info = 1059 1059 1060 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band 1061 1061 1062 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 1063 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 1064 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band 1065 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band 1066 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band 1067 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band 1068 -* (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 1069 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 1193 +Part Number: (% style="color:blue" %)**LLDS12-XX** 1070 1070 1071 -(% style="color:blue" %)**YY**(%%): Battery Option 1072 1072 1073 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1074 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1196 +(% style="color:blue" %)**XX**(%%): The default frequency band 1075 1075 1076 -= 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 1077 1077 1207 += 10. Packing Info = 1078 1078 1209 + 1079 1079 **Package Includes**: 1080 1080 1081 -* LD DS75LoRaWAN DistanceDetectionSensor x 11212 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1 1082 1082 1083 1083 **Dimension and weight**: 1084 1084 ... ... @@ -1087,7 +1087,7 @@ 1087 1087 * Package Size / pcs : cm 1088 1088 * Weight / pcs : g 1089 1089 1090 -= 8. Support =1221 += 11. Support = 1091 1091 1092 1092 * 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. 1093 1093 * 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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