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" %) ** ** ... ... @@ -175,17 +175,11 @@ 175 175 [[image:image-20220607170145-1.jpeg]] 176 176 177 177 178 -((( 179 179 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 180 -))) 181 181 182 -((( 183 183 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 184 -))) 185 185 186 -((( 187 187 **Add APP EUI in the application** 188 -))) 189 189 190 190 [[image:image-20220610161353-4.png]] 191 191 ... ... @@ -228,15 +228,11 @@ 228 228 == 2.3 Uplink Payload == 229 229 230 230 ((( 231 -((( 232 232 LDDS75 will uplink payload via LoRaWAN with below payload format: 233 -))) 234 234 235 -((( 236 236 Uplink payload includes in total 4 bytes. 237 237 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 238 238 ))) 239 -))) 240 240 241 241 ((( 242 242 ... ... @@ -271,13 +271,9 @@ 271 271 272 272 === 2.3.2 Distance === 273 273 274 -((( 275 275 Get the distance. Flat object range 280mm - 7500mm. 276 -))) 277 277 278 -((( 279 279 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 -))) 281 281 282 282 283 283 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. ... ... @@ -312,13 +312,9 @@ 312 312 313 313 === 2.3.5 Sensor Flag === 314 314 315 -((( 316 316 0x01: Detect Ultrasonic Sensor 317 -))) 318 318 319 -((( 320 320 0x00: No Ultrasonic Sensor 321 -))) 322 322 323 323 324 324 ... ... @@ -331,9 +331,7 @@ 331 331 332 332 The payload decoder function for TTN V3 is here: 333 333 334 -((( 335 335 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 -))) 337 337 338 338 339 339 ... ... @@ -860,21 +860,13 @@ 860 860 * Blink once when device transmit a packet. 861 861 862 862 863 - 864 864 == 2.8 Firmware Change Log == 865 865 866 866 867 -((( 868 868 **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 -))) 870 870 871 -((( 872 - 873 -))) 874 874 875 -((( 876 876 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 877 -))) 878 878 879 879 880 880 ... ... @@ -1018,9 +1018,7 @@ 1018 1018 [[image:image-20220610172924-5.png]] 1019 1019 1020 1020 1021 -((( 1022 1022 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 -))) 1024 1024 1025 1025 1026 1026 [[image:image-20220610172924-6.png||height="601" width="860"]]