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 === ... ... @@ -130,8 +130,6 @@ 130 130 * Sewer 131 131 * Bottom water level monitoring 132 132 133 - 134 - 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 ((( 235 +((( 234 234 LDDS75 will uplink payload via LoRaWAN with below payload format: 237 +))) 235 235 239 +((( 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 ))) 243 +))) 239 239 240 240 ((( 241 241 ... ... @@ -270,9 +270,13 @@ 270 270 271 271 === 2.3.2 Distance === 272 272 278 +((( 273 273 Get the distance. Flat object range 280mm - 7500mm. 280 +))) 274 274 282 +((( 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.** 284 +))) 276 276 277 277 278 278 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. ... ... @@ -306,9 +306,13 @@ 306 306 307 307 === 2.3.5 Sensor Flag === 308 308 318 +((( 309 309 0x01: Detect Ultrasonic Sensor 320 +))) 310 310 322 +((( 311 311 0x00: No Ultrasonic Sensor 324 +))) 312 312 313 313 314 314 ... ... @@ -321,7 +321,9 @@ 321 321 322 322 The payload decoder function for TTN V3 is here: 323 323 337 +((( 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/]] 339 +))) 325 325 326 326 327 327 ... ... @@ -850,10 +850,17 @@ 850 850 == 2.8 Firmware Change Log == 851 851 852 852 868 +((( 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/]] 870 +))) 854 854 872 +((( 873 + 874 +))) 855 855 876 +((( 856 856 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 878 +))) 857 857 858 858 859 859 ... ... @@ -997,7 +997,9 @@ 997 997 [[image:image-20220610172924-5.png]] 998 998 999 999 1022 +((( 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: 1024 +))) 1001 1001 1002 1002 1003 1003 [[image:image-20220610172924-6.png||height="601" width="860"]] ... ... @@ -1021,7 +1021,9 @@ 1021 1021 ((( 1022 1022 Format: Command Code (0x01) followed by 3 bytes time value. 1023 1023 1048 +((( 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. 1050 +))) 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 ... ... @@ -1044,11 +1044,14 @@ 1044 1044 1045 1045 Format: Command Code (0x06) followed by 3 bytes. 1046 1046 1073 +((( 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. 1075 +))) 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 1080 + 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 1140 + 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 1155 + 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.