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 === ... ... @@ -216,15 +216,11 @@ 216 216 == 2.3 Uplink Payload == 217 217 218 218 ((( 219 -((( 220 220 LDDS75 will uplink payload via LoRaWAN with below payload format: 221 -))) 222 222 223 -((( 224 224 Uplink payload includes in total 4 bytes. 225 225 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 226 226 ))) 227 -))) 228 228 229 229 ((( 230 230 ... ... @@ -259,20 +259,14 @@ 259 259 260 260 === 2.3.2 Distance === 261 261 262 -((( 263 263 Get the distance. Flat object range 280mm - 7500mm. 264 -))) 265 265 266 -((( 267 267 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.** 268 -))) 269 269 270 270 271 271 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 272 272 * 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. 273 273 274 - 275 - 276 276 === 2.3.3 Interrupt Pin === 277 277 278 278 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. ... ... @@ -301,13 +301,9 @@ 301 301 302 302 === 2.3.5 Sensor Flag === 303 303 304 -((( 305 305 0x01: Detect Ultrasonic Sensor 306 -))) 307 307 308 -((( 309 309 0x00: No Ultrasonic Sensor 310 -))) 311 311 312 312 313 313 ... ... @@ -320,9 +320,7 @@ 320 320 321 321 The payload decoder function for TTN V3 is here: 322 322 323 -((( 324 324 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/]] 325 -))) 326 326 327 327 328 328 ... ... @@ -848,22 +848,13 @@ 848 848 * Solid ON for 5 seconds once device successful Join the network. 849 849 * Blink once when device transmit a packet. 850 850 851 - 852 - 853 853 == 2.8 Firmware Change Log == 854 854 855 855 856 -((( 857 857 **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/]] 858 -))) 859 859 860 -((( 861 - 862 -))) 863 863 864 -((( 865 865 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 866 -))) 867 867 868 868 869 869 ... ... @@ -1007,9 +1007,7 @@ 1007 1007 [[image:image-20220610172924-5.png]] 1008 1008 1009 1009 1010 -((( 1011 1011 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: 1012 -))) 1013 1013 1014 1014 1015 1015 [[image:image-20220610172924-6.png||height="601" width="860"]] ... ... @@ -1033,19 +1033,16 @@ 1033 1033 ((( 1034 1034 Format: Command Code (0x01) followed by 3 bytes time value. 1035 1035 1036 -((( 1037 1037 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1038 -))) 1039 1039 1040 1040 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1041 1041 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1042 1042 ))) 1043 -))) 1044 1044 1045 1045 1031 + 1032 +))) 1046 1046 1047 - 1048 - 1049 1049 == 3.3 Set Interrupt Mode == 1050 1050 1051 1051 Feature, Set Interrupt mode for GPIO_EXIT. ... ... @@ -1059,15 +1059,11 @@ 1059 1059 1060 1060 Format: Command Code (0x06) followed by 3 bytes. 1061 1061 1062 -((( 1063 1063 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1064 -))) 1065 1065 1066 1066 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1067 1067 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1068 1068 1069 - 1070 - 1071 1071 = 4. FAQ = 1072 1072 1073 1073 == 4.1 What is the frequency plan for LDDS75? == ... ... @@ -1127,8 +1127,6 @@ 1127 1127 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1128 1128 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1129 1129 1130 - 1131 - 1132 1132 = 7. Packing Info = 1133 1133 1134 1134 ... ... @@ -1143,8 +1143,6 @@ 1143 1143 * Package Size / pcs : cm 1144 1144 * Weight / pcs : g 1145 1145 1146 - 1147 - 1148 1148 = 8. Support = 1149 1149 1150 1150 * 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.