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 === ... ... @@ -109,7 +109,9 @@ 109 109 110 110 111 111 115 +((( 112 112 **(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.** 117 +))) 113 113 114 114 115 115 [[image:1654852175653-550.png]](% style="display:none" %) ** ** ... ... @@ -130,6 +130,8 @@ 130 130 131 131 132 132 138 + 139 + 133 133 == 1.6 Pin mapping and power on == 134 134 135 135 ... ... @@ -176,11 +176,17 @@ 176 176 [[image:image-20220607170145-1.jpeg]] 177 177 178 178 186 +((( 179 179 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 188 +))) 180 180 190 +((( 181 181 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 192 +))) 182 182 194 +((( 183 183 **Add APP EUI in the application** 196 +))) 184 184 185 185 [[image:image-20220610161353-4.png]] 186 186 ... ... @@ -223,11 +223,15 @@ 223 223 == 2.3 Uplink Payload == 224 224 225 225 ((( 239 +((( 226 226 LDDS75 will uplink payload via LoRaWAN with below payload format: 241 +))) 227 227 243 +((( 228 228 Uplink payload includes in total 4 bytes. 229 229 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 230 230 ))) 247 +))) 231 231 232 232 ((( 233 233 ... ... @@ -262,14 +262,22 @@ 262 262 263 263 === 2.3.2 Distance === 264 264 282 +((( 265 265 Get the distance. Flat object range 280mm - 7500mm. 284 +))) 266 266 286 +((( 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.** 288 +))) 268 268 269 269 270 270 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 271 271 * 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. 272 272 294 + 295 + 296 + 297 + 273 273 === 2.3.3 Interrupt Pin === 274 274 275 275 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. ... ... @@ -298,9 +298,13 @@ 298 298 299 299 === 2.3.5 Sensor Flag === 300 300 326 +((( 301 301 0x01: Detect Ultrasonic Sensor 328 +))) 302 302 330 +((( 303 303 0x00: No Ultrasonic Sensor 332 +))) 304 304 305 305 306 306 ... ... @@ -313,7 +313,9 @@ 313 313 314 314 The payload decoder function for TTN V3 is here: 315 315 345 +((( 316 316 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 +))) 317 317 318 318 319 319 ... ... @@ -839,13 +839,24 @@ 839 839 * Solid ON for 5 seconds once device successful Join the network. 840 840 * Blink once when device transmit a packet. 841 841 873 + 874 + 875 + 876 + 842 842 == 2.8 Firmware Change Log == 843 843 844 844 880 +((( 845 845 **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 +))) 846 846 884 +((( 885 + 886 +))) 847 847 888 +((( 848 848 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 890 +))) 849 849 850 850 851 851 ... ... @@ -989,7 +989,9 @@ 989 989 [[image:image-20220610172924-5.png]] 990 990 991 991 1034 +((( 992 992 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 +))) 993 993 994 994 995 995 [[image:image-20220610172924-6.png||height="601" width="860"]] ... ... @@ -1013,7 +1013,9 @@ 1013 1013 ((( 1014 1014 Format: Command Code (0x01) followed by 3 bytes time value. 1015 1015 1060 +((( 1016 1016 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1062 +))) 1017 1017 1018 1018 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1019 1019 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds ... ... @@ -1023,6 +1023,10 @@ 1023 1023 1024 1024 ))) 1025 1025 1072 + 1073 + 1074 + 1075 + 1026 1026 == 3.3 Set Interrupt Mode == 1027 1027 1028 1028 Feature, Set Interrupt mode for GPIO_EXIT. ... ... @@ -1036,11 +1036,14 @@ 1036 1036 1037 1037 Format: Command Code (0x06) followed by 3 bytes. 1038 1038 1089 +((( 1039 1039 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1091 +))) 1040 1040 1041 1041 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1042 1042 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1043 1043 1096 + 1044 1044 = 4. FAQ = 1045 1045 1046 1046 == 4.1 What is the frequency plan for LDDS75? == ... ... @@ -1100,6 +1100,7 @@ 1100 1100 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1101 1101 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1102 1102 1156 + 1103 1103 = 7. Packing Info = 1104 1104 1105 1105 ... ... @@ -1114,6 +1114,7 @@ 1114 1114 * Package Size / pcs : cm 1115 1115 * Weight / pcs : g 1116 1116 1171 + 1117 1117 = 8. Support = 1118 1118 1119 1119 * 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.