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" %) ** ** ... ... @@ -129,6 +129,10 @@ 129 129 * Sewer 130 130 * Bottom water level monitoring 131 131 136 + 137 + 138 + 139 + 132 132 == 1.6 Pin mapping and power on == 133 133 134 134 ... ... @@ -175,11 +175,17 @@ 175 175 [[image:image-20220607170145-1.jpeg]] 176 176 177 177 186 +((( 178 178 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 188 +))) 179 179 190 +((( 180 180 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 192 +))) 181 181 194 +((( 182 182 **Add APP EUI in the application** 196 +))) 183 183 184 184 [[image:image-20220610161353-4.png]] 185 185 ... ... @@ -222,11 +222,15 @@ 222 222 == 2.3 Uplink Payload == 223 223 224 224 ((( 239 +((( 225 225 LDDS75 will uplink payload via LoRaWAN with below payload format: 241 +))) 226 226 243 +((( 227 227 Uplink payload includes in total 4 bytes. 228 228 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 229 229 ))) 247 +))) 230 230 231 231 ((( 232 232 ... ... @@ -261,14 +261,22 @@ 261 261 262 262 === 2.3.2 Distance === 263 263 282 +((( 264 264 Get the distance. Flat object range 280mm - 7500mm. 284 +))) 265 265 286 +((( 266 266 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 +))) 267 267 268 268 269 269 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 270 270 * 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. 271 271 294 + 295 + 296 + 297 + 272 272 === 2.3.3 Interrupt Pin === 273 273 274 274 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. ... ... @@ -297,9 +297,13 @@ 297 297 298 298 === 2.3.5 Sensor Flag === 299 299 326 +((( 300 300 0x01: Detect Ultrasonic Sensor 328 +))) 301 301 330 +((( 302 302 0x00: No Ultrasonic Sensor 332 +))) 303 303 304 304 305 305 ... ... @@ -312,7 +312,9 @@ 312 312 313 313 The payload decoder function for TTN V3 is here: 314 314 345 +((( 315 315 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 +))) 316 316 317 317 318 318 ... ... @@ -841,10 +841,17 @@ 841 841 == 2.8 Firmware Change Log == 842 842 843 843 876 +((( 844 844 **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/]] 878 +))) 845 845 880 +((( 881 + 882 +))) 846 846 884 +((( 847 847 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 886 +))) 848 848 849 849 850 850 ... ... @@ -988,7 +988,9 @@ 988 988 [[image:image-20220610172924-5.png]] 989 989 990 990 1030 +((( 991 991 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: 1032 +))) 992 992 993 993 994 994 [[image:image-20220610172924-6.png||height="601" width="860"]] ... ... @@ -1012,7 +1012,9 @@ 1012 1012 ((( 1013 1013 Format: Command Code (0x01) followed by 3 bytes time value. 1014 1014 1056 +((( 1015 1015 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1058 +))) 1016 1016 1017 1017 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1018 1018 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds ... ... @@ -1035,7 +1035,9 @@ 1035 1035 1036 1036 Format: Command Code (0x06) followed by 3 bytes. 1037 1037 1081 +((( 1038 1038 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1083 +))) 1039 1039 1040 1040 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1041 1041 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger