Changes for page LMDS200 -- LoRaWAN Microwave Radar Distance Sensor User Manual
Last modified by Xiaoling on 2025/04/27 16:45
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... ... @@ -1,12 +1,8 @@ 1 1 (% style="text-align:center" %) 2 2 [[image:1654846127817-788.png]] 3 3 4 +**Contents:** 4 4 5 - 6 - 7 - 8 -**Table of Contents:** 9 - 10 10 {{toc/}} 11 11 12 12 ... ... @@ -29,22 +29,42 @@ 29 29 ))) 30 30 31 31 ((( 28 + 29 +))) 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 33 ))) 34 34 35 35 ((( 36 + 37 +))) 38 + 39 +((( 36 36 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. 37 37 ))) 38 38 39 39 ((( 44 + 45 +))) 46 + 47 +((( 40 40 LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*. 41 41 ))) 42 42 43 43 ((( 52 + 53 +))) 54 + 55 +((( 44 44 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. 45 45 ))) 46 46 47 47 ((( 60 + 61 +))) 62 + 63 +((( 48 48 (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors. 49 49 ))) 50 50 ))) ... ... @@ -71,7 +71,6 @@ 71 71 * 4000mAh or 8500mAh Battery for long term use 72 72 73 73 74 - 75 75 == 1.3 Specification == 76 76 77 77 === 1.3.1 Rated environmental conditions === ... ... @@ -79,9 +79,7 @@ 79 79 [[image:image-20220610154839-1.png]] 80 80 81 81 ((( 82 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing); ** 83 - 84 -**~ 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)** 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)** 85 85 ))) 86 86 87 87 ... ... @@ -155,8 +155,6 @@ 155 155 ))) 156 156 157 157 ((( 158 - 159 - 160 160 (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75. 161 161 ))) 162 162 ... ... @@ -176,8 +176,6 @@ 176 176 ))) 177 177 178 178 ((( 179 - 180 - 181 181 **Add APP EUI in the application** 182 182 ))) 183 183 ... ... @@ -222,15 +222,11 @@ 222 222 == 2.3 Uplink Payload == 223 223 224 224 ((( 225 -((( 226 226 LDDS75 will uplink payload via LoRaWAN with below payload format: 227 -))) 228 228 229 -((( 230 230 Uplink payload includes in total 4 bytes. 231 231 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 232 232 ))) 233 -))) 234 234 235 235 ((( 236 236 ... ... @@ -265,20 +265,14 @@ 265 265 266 266 === 2.3.2 Distance === 267 267 268 -((( 269 269 Get the distance. Flat object range 280mm - 7500mm. 270 -))) 271 271 272 -((( 273 273 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.** 274 -))) 275 275 276 276 277 277 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 278 278 * 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. 279 279 280 - 281 - 282 282 === 2.3.3 Interrupt Pin === 283 283 284 284 This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up. ... ... @@ -307,13 +307,9 @@ 307 307 308 308 === 2.3.5 Sensor Flag === 309 309 310 -((( 311 311 0x01: Detect Ultrasonic Sensor 312 -))) 313 313 314 -((( 315 315 0x00: No Ultrasonic Sensor 316 -))) 317 317 318 318 319 319 ... ... @@ -326,9 +326,7 @@ 326 326 327 327 The payload decoder function for TTN V3 is here: 328 328 329 -((( 330 330 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/]] 331 -))) 332 332 333 333 334 334 ... ... @@ -854,22 +854,13 @@ 854 854 * Solid ON for 5 seconds once device successful Join the network. 855 855 * Blink once when device transmit a packet. 856 856 857 - 858 - 859 859 == 2.8 Firmware Change Log == 860 860 861 861 862 -((( 863 863 **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/]] 864 -))) 865 865 866 -((( 867 - 868 -))) 869 869 870 -((( 871 871 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 872 -))) 873 873 874 874 875 875 ... ... @@ -1013,9 +1013,7 @@ 1013 1013 [[image:image-20220610172924-5.png]] 1014 1014 1015 1015 1016 -((( 1017 1017 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: 1018 -))) 1019 1019 1020 1020 1021 1021 [[image:image-20220610172924-6.png||height="601" width="860"]] ... ... @@ -1039,19 +1039,16 @@ 1039 1039 ((( 1040 1040 Format: Command Code (0x01) followed by 3 bytes time value. 1041 1041 1042 -((( 1043 1043 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1044 -))) 1045 1045 1046 1046 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1047 1047 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1048 1048 ))) 1049 -))) 1050 1050 1051 1051 1031 + 1032 +))) 1052 1052 1053 - 1054 - 1055 1055 == 3.3 Set Interrupt Mode == 1056 1056 1057 1057 Feature, Set Interrupt mode for GPIO_EXIT. ... ... @@ -1065,15 +1065,11 @@ 1065 1065 1066 1066 Format: Command Code (0x06) followed by 3 bytes. 1067 1067 1068 -((( 1069 1069 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1070 -))) 1071 1071 1072 1072 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1073 1073 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1074 1074 1075 - 1076 - 1077 1077 = 4. FAQ = 1078 1078 1079 1079 == 4.1 What is the frequency plan for LDDS75? == ... ... @@ -1133,8 +1133,6 @@ 1133 1133 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1134 1134 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1135 1135 1136 - 1137 - 1138 1138 = 7. Packing Info = 1139 1139 1140 1140 ... ... @@ -1149,8 +1149,6 @@ 1149 1149 * Package Size / pcs : cm 1150 1150 * Weight / pcs : g 1151 1151 1152 - 1153 - 1154 1154 = 8. Support = 1155 1155 1156 1156 * 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.