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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... ... @@ -87,6 +87,9 @@ 87 87 * 4000mAh or 8500mAh Battery for long term use 88 88 89 89 90 + 91 + 92 + 90 90 == 1.3 Specification == 91 91 92 92 === 1.3.1 Rated environmental conditions === ... ... @@ -132,6 +132,8 @@ 132 132 133 133 134 134 138 + 139 + 135 135 == 1.6 Pin mapping and power on == 136 136 137 137 ... ... @@ -231,11 +231,15 @@ 231 231 == 2.3 Uplink Payload == 232 232 233 233 ((( 239 +((( 234 234 LDDS75 will uplink payload via LoRaWAN with below payload format: 241 +))) 235 235 243 +((( 236 236 Uplink payload includes in total 4 bytes. 237 237 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 238 238 ))) 247 +))) 239 239 240 240 ((( 241 241 ... ... @@ -270,14 +270,22 @@ 270 270 271 271 === 2.3.2 Distance === 272 272 282 +((( 273 273 Get the distance. Flat object range 280mm - 7500mm. 284 +))) 274 274 286 +((( 275 275 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.** 288 +))) 276 276 277 277 278 278 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 279 279 * 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. 280 280 294 + 295 + 296 + 297 + 281 281 === 2.3.3 Interrupt Pin === 282 282 283 283 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. ... ... @@ -306,9 +306,13 @@ 306 306 307 307 === 2.3.5 Sensor Flag === 308 308 326 +((( 309 309 0x01: Detect Ultrasonic Sensor 328 +))) 310 310 330 +((( 311 311 0x00: No Ultrasonic Sensor 332 +))) 312 312 313 313 314 314 ... ... @@ -321,7 +321,9 @@ 321 321 322 322 The payload decoder function for TTN V3 is here: 323 323 345 +((( 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/]] 347 +))) 325 325 326 326 327 327 ... ... @@ -847,13 +847,24 @@ 847 847 * Solid ON for 5 seconds once device successful Join the network. 848 848 * Blink once when device transmit a packet. 849 849 873 + 874 + 875 + 876 + 850 850 == 2.8 Firmware Change Log == 851 851 852 852 880 +((( 853 853 **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/]] 882 +))) 854 854 884 +((( 885 + 886 +))) 855 855 888 +((( 856 856 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 890 +))) 857 857 858 858 859 859 ... ... @@ -997,7 +997,9 @@ 997 997 [[image:image-20220610172924-5.png]] 998 998 999 999 1034 +((( 1000 1000 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: 1036 +))) 1001 1001 1002 1002 1003 1003 [[image:image-20220610172924-6.png||height="601" width="860"]] ... ... @@ -1021,16 +1021,20 @@ 1021 1021 ((( 1022 1022 Format: Command Code (0x01) followed by 3 bytes time value. 1023 1023 1060 +((( 1024 1024 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1062 +))) 1025 1025 1026 1026 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1027 1027 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1028 1028 ))) 1029 1029 1030 - 1031 - 1032 1032 ))) 1033 1033 1070 + 1071 + 1072 + 1073 + 1034 1034 == 3.3 Set Interrupt Mode == 1035 1035 1036 1036 Feature, Set Interrupt mode for GPIO_EXIT. ... ... @@ -1044,11 +1044,17 @@ 1044 1044 1045 1045 Format: Command Code (0x06) followed by 3 bytes. 1046 1046 1087 +((( 1047 1047 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1089 +))) 1048 1048 1049 1049 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1050 1050 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1051 1051 1094 + 1095 + 1096 + 1097 + 1052 1052 = 4. FAQ = 1053 1053 1054 1054 == 4.1 What is the frequency plan for LDDS75? == ... ... @@ -1108,6 +1108,7 @@ 1108 1108 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1109 1109 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1110 1110 1157 + 1111 1111 = 7. Packing Info = 1112 1112 1113 1113 ... ... @@ -1122,6 +1122,7 @@ 1122 1122 * Package Size / pcs : cm 1123 1123 * Weight / pcs : g 1124 1124 1172 + 1125 1125 = 8. Support = 1126 1126 1127 1127 * 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.