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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... ... @@ -20,51 +20,24 @@ 20 20 21 21 22 22 ((( 23 -((( 24 24 The Dragino LDDS75 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc. 25 -))) 26 26 27 -((( 28 - 29 -))) 30 30 31 -((( 32 32 It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server. 33 -))) 34 34 35 -((( 36 - 37 -))) 38 38 39 -((( 40 40 The LoRa wireless technology used in LDDS75 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. 41 -))) 42 42 43 -((( 44 - 45 -))) 46 46 47 -((( 48 48 LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*. 49 -))) 50 50 51 -((( 52 - 53 -))) 54 54 55 -((( 56 56 Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on. 57 -))) 58 58 59 -((( 60 - 61 -))) 62 62 63 -((( 64 64 (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors. 65 65 ))) 66 66 ))) 67 -))) 68 68 69 69 70 70 [[image:1654847051249-359.png]] ... ... @@ -92,12 +92,12 @@ 92 92 93 93 [[image:image-20220610154839-1.png]] 94 94 95 -((( 96 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing); b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 97 -))) 68 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);** 98 98 70 +**b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 99 99 100 100 73 + 101 101 === 1.3.2 Effective measurement range Reference beam pattern === 102 102 103 103 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** ... ... @@ -108,9 +108,7 @@ 108 108 109 109 110 110 111 -((( 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.** 113 -))) 114 114 115 115 116 116 [[image:1654852175653-550.png]](% style="display:none" %) ** ** ... ... @@ -129,7 +129,6 @@ 129 129 * Sewer 130 130 * Bottom water level monitoring 131 131 132 - 133 133 == 1.6 Pin mapping and power on == 134 134 135 135 ... ... @@ -176,17 +176,11 @@ 176 176 [[image:image-20220607170145-1.jpeg]] 177 177 178 178 179 -((( 180 180 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 181 -))) 182 182 183 -((( 184 184 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 185 -))) 186 186 187 -((( 188 188 **Add APP EUI in the application** 189 -))) 190 190 191 191 [[image:image-20220610161353-4.png]] 192 192 ... ... @@ -229,15 +229,11 @@ 229 229 == 2.3 Uplink Payload == 230 230 231 231 ((( 232 -((( 233 233 LDDS75 will uplink payload via LoRaWAN with below payload format: 234 -))) 235 235 236 -((( 237 237 Uplink payload includes in total 4 bytes. 238 238 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 239 239 ))) 240 -))) 241 241 242 242 ((( 243 243 ... ... @@ -272,13 +272,9 @@ 272 272 273 273 === 2.3.2 Distance === 274 274 275 -((( 276 276 Get the distance. Flat object range 280mm - 7500mm. 277 -))) 278 278 279 -((( 280 280 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.** 281 -))) 282 282 283 283 284 284 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. ... ... @@ -285,7 +285,6 @@ 285 285 * 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. 286 286 287 287 288 - 289 289 === 2.3.3 Interrupt Pin === 290 290 291 291 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. ... ... @@ -314,13 +314,9 @@ 314 314 315 315 === 2.3.5 Sensor Flag === 316 316 317 -((( 318 318 0x01: Detect Ultrasonic Sensor 319 -))) 320 320 321 -((( 322 322 0x00: No Ultrasonic Sensor 323 -))) 324 324 325 325 326 326 ... ... @@ -333,9 +333,7 @@ 333 333 334 334 The payload decoder function for TTN V3 is here: 335 335 336 -((( 337 337 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/]] 338 -))) 339 339 340 340 341 341 ... ... @@ -862,8 +862,6 @@ 862 862 * Blink once when device transmit a packet. 863 863 864 864 865 - 866 - 867 867 == 2.8 Firmware Change Log == 868 868 869 869 ... ... @@ -1066,6 +1066,8 @@ 1066 1066 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1067 1067 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1068 1068 1016 + 1017 + 1069 1069 = 4. FAQ = 1070 1070 1071 1071 == 4.1 What is the frequency plan for LDDS75? == ... ... @@ -1125,6 +1125,8 @@ 1125 1125 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1126 1126 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1127 1127 1077 + 1078 + 1128 1128 = 7. Packing Info = 1129 1129 1130 1130 ... ... @@ -1139,6 +1139,8 @@ 1139 1139 * Package Size / pcs : cm 1140 1140 * Weight / pcs : g 1141 1141 1093 + 1094 + 1142 1142 = 8. Support = 1143 1143 1144 1144 * 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.