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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... ... @@ -20,24 +20,51 @@ 20 20 21 21 22 22 ((( 23 +((( 23 23 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 +))) 24 24 27 +((( 28 + 29 +))) 25 25 31 +((( 26 26 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 +))) 27 27 35 +((( 36 + 37 +))) 28 28 39 +((( 29 29 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 +))) 30 30 43 +((( 44 + 45 +))) 31 31 47 +((( 32 32 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 +))) 33 33 51 +((( 52 + 53 +))) 34 34 55 +((( 35 35 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 +))) 36 36 59 +((( 60 + 61 +))) 37 37 63 +((( 38 38 (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors. 39 39 ))) 40 40 ))) 67 +))) 41 41 42 42 43 43 [[image:1654847051249-359.png]] ... ... @@ -65,12 +65,12 @@ 65 65 66 66 [[image:image-20220610154839-1.png]] 67 67 68 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);** 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 +))) 69 69 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)** 71 71 72 72 73 - 74 74 === 1.3.2 Effective measurement range Reference beam pattern === 75 75 76 76 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** ... ... @@ -81,7 +81,9 @@ 81 81 82 82 83 83 111 +((( 84 84 **(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 +))) 85 85 86 86 87 87 [[image:1654852175653-550.png]](% style="display:none" %) ** ** ... ... @@ -146,11 +146,17 @@ 146 146 [[image:image-20220607170145-1.jpeg]] 147 147 148 148 178 +((( 149 149 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 180 +))) 150 150 182 +((( 151 151 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 184 +))) 152 152 186 +((( 153 153 **Add APP EUI in the application** 188 +))) 154 154 155 155 [[image:image-20220610161353-4.png]] 156 156 ... ... @@ -193,11 +193,15 @@ 193 193 == 2.3 Uplink Payload == 194 194 195 195 ((( 231 +((( 196 196 LDDS75 will uplink payload via LoRaWAN with below payload format: 233 +))) 197 197 235 +((( 198 198 Uplink payload includes in total 4 bytes. 199 199 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 200 200 ))) 239 +))) 201 201 202 202 ((( 203 203 ... ... @@ -232,9 +232,13 @@ 232 232 233 233 === 2.3.2 Distance === 234 234 274 +((( 235 235 Get the distance. Flat object range 280mm - 7500mm. 276 +))) 236 236 278 +((( 237 237 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.** 280 +))) 238 238 239 239 240 240 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. ... ... @@ -269,9 +269,13 @@ 269 269 270 270 === 2.3.5 Sensor Flag === 271 271 315 +((( 272 272 0x01: Detect Ultrasonic Sensor 317 +))) 273 273 319 +((( 274 274 0x00: No Ultrasonic Sensor 321 +))) 275 275 276 276 277 277 ... ... @@ -284,7 +284,9 @@ 284 284 285 285 The payload decoder function for TTN V3 is here: 286 286 334 +((( 287 287 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/]] 336 +))) 288 288 289 289 290 290 ... ... @@ -811,13 +811,21 @@ 811 811 * Blink once when device transmit a packet. 812 812 813 813 863 + 814 814 == 2.8 Firmware Change Log == 815 815 816 816 867 +((( 817 817 **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/]] 869 +))) 818 818 871 +((( 872 + 873 +))) 819 819 875 +((( 820 820 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 877 +))) 821 821 822 822 823 823 ... ... @@ -961,7 +961,9 @@ 961 961 [[image:image-20220610172924-5.png]] 962 962 963 963 1021 +((( 964 964 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: 1023 +))) 965 965 966 966 967 967 [[image:image-20220610172924-6.png||height="601" width="860"]] ... ... @@ -1013,8 +1013,6 @@ 1013 1013 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1014 1014 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1015 1015 1016 - 1017 - 1018 1018 = 4. FAQ = 1019 1019 1020 1020 == 4.1 What is the frequency plan for LDDS75? == ... ... @@ -1074,8 +1074,6 @@ 1074 1074 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1075 1075 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1076 1076 1077 - 1078 - 1079 1079 = 7. Packing Info = 1080 1080 1081 1081 ... ... @@ -1090,8 +1090,6 @@ 1090 1090 * Package Size / pcs : cm 1091 1091 * Weight / pcs : g 1092 1092 1093 - 1094 - 1095 1095 = 8. Support = 1096 1096 1097 1097 * 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.