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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... ... @@ -88,6 +88,8 @@ 88 88 89 89 90 90 91 + 92 + 91 91 == 1.3 Specification == 92 92 93 93 === 1.3.1 Rated environmental conditions === ... ... @@ -110,7 +110,9 @@ 110 110 111 111 112 112 115 +((( 113 113 **(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 +))) 114 114 115 115 116 116 [[image:1654852175653-550.png]](% style="display:none" %) ** ** ... ... @@ -132,6 +132,7 @@ 132 132 133 133 134 134 139 + 135 135 == 1.6 Pin mapping and power on == 136 136 137 137 ... ... @@ -178,11 +178,17 @@ 178 178 [[image:image-20220607170145-1.jpeg]] 179 179 180 180 186 +((( 181 181 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 188 +))) 182 182 190 +((( 183 183 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 192 +))) 184 184 194 +((( 185 185 **Add APP EUI in the application** 196 +))) 186 186 187 187 [[image:image-20220610161353-4.png]] 188 188 ... ... @@ -225,11 +225,15 @@ 225 225 == 2.3 Uplink Payload == 226 226 227 227 ((( 239 +((( 228 228 LDDS75 will uplink payload via LoRaWAN with below payload format: 241 +))) 229 229 243 +((( 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 ))) 247 +))) 233 233 234 234 ((( 235 235 ... ... @@ -264,9 +264,13 @@ 264 264 265 265 === 2.3.2 Distance === 266 266 282 +((( 267 267 Get the distance. Flat object range 280mm - 7500mm. 284 +))) 268 268 286 +((( 269 269 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 +))) 270 270 271 271 272 272 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. ... ... @@ -300,9 +300,13 @@ 300 300 301 301 === 2.3.5 Sensor Flag === 302 302 322 +((( 303 303 0x01: Detect Ultrasonic Sensor 324 +))) 304 304 326 +((( 305 305 0x00: No Ultrasonic Sensor 328 +))) 306 306 307 307 308 308 ... ... @@ -315,7 +315,9 @@ 315 315 316 316 The payload decoder function for TTN V3 is here: 317 317 341 +((( 318 318 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/]] 343 +))) 319 319 320 320 321 321 ... ... @@ -844,10 +844,17 @@ 844 844 == 2.8 Firmware Change Log == 845 845 846 846 872 +((( 847 847 **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/]] 874 +))) 848 848 876 +((( 877 + 878 +))) 849 849 880 +((( 850 850 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 882 +))) 851 851 852 852 853 853 ... ... @@ -991,7 +991,9 @@ 991 991 [[image:image-20220610172924-5.png]] 992 992 993 993 1026 +((( 994 994 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: 1028 +))) 995 995 996 996 997 997 [[image:image-20220610172924-6.png||height="601" width="860"]] ... ... @@ -1015,7 +1015,9 @@ 1015 1015 ((( 1016 1016 Format: Command Code (0x01) followed by 3 bytes time value. 1017 1017 1052 +((( 1018 1018 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1054 +))) 1019 1019 1020 1020 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1021 1021 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds ... ... @@ -1038,7 +1038,9 @@ 1038 1038 1039 1039 Format: Command Code (0x06) followed by 3 bytes. 1040 1040 1077 +((( 1041 1041 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1079 +))) 1042 1042 1043 1043 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1044 1044 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger