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" %) ** ** ... ... @@ -147,11 +147,17 @@ 147 147 [[image:image-20220607170145-1.jpeg]] 148 148 149 149 179 +((( 150 150 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 181 +))) 151 151 183 +((( 152 152 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 185 +))) 153 153 187 +((( 154 154 **Add APP EUI in the application** 189 +))) 155 155 156 156 [[image:image-20220610161353-4.png]] 157 157 ... ... @@ -194,11 +194,15 @@ 194 194 == 2.3 Uplink Payload == 195 195 196 196 ((( 232 +((( 197 197 LDDS75 will uplink payload via LoRaWAN with below payload format: 234 +))) 198 198 236 +((( 199 199 Uplink payload includes in total 4 bytes. 200 200 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 201 201 ))) 240 +))) 202 202 203 203 ((( 204 204 ... ... @@ -233,9 +233,13 @@ 233 233 234 234 === 2.3.2 Distance === 235 235 275 +((( 236 236 Get the distance. Flat object range 280mm - 7500mm. 277 +))) 237 237 279 +((( 238 238 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 +))) 239 239 240 240 241 241 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. ... ... @@ -271,9 +271,13 @@ 271 271 272 272 === 2.3.5 Sensor Flag === 273 273 317 +((( 274 274 0x01: Detect Ultrasonic Sensor 319 +))) 275 275 321 +((( 276 276 0x00: No Ultrasonic Sensor 323 +))) 277 277 278 278 279 279 ... ... @@ -286,7 +286,9 @@ 286 286 287 287 The payload decoder function for TTN V3 is here: 288 288 336 +((( 289 289 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 +))) 290 290 291 291 292 292 ... ... @@ -814,6 +814,7 @@ 814 814 815 815 816 816 866 + 817 817 == 2.8 Firmware Change Log == 818 818 819 819 ... ... @@ -844,7 +844,7 @@ 844 844 The battery related documents as below: 845 845 846 846 * ((( 847 -[[ 897 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 848 848 ))) 849 849 * ((( 850 850 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -860,7 +860,7 @@ 860 860 === 2.10.2 Replace the battery === 861 861 862 862 ((( 863 -You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won ’t be voltage drop between battery and main board.913 +You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board. 864 864 ))) 865 865 866 866 ((( ... ... @@ -868,7 +868,7 @@ 868 868 ))) 869 869 870 870 ((( 871 -The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can ’t find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)921 +The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes) 872 872 ))) 873 873 874 874 ... ... @@ -883,7 +883,7 @@ 883 883 884 884 * ((( 885 885 ((( 886 -AT Command Connection: See [[FAQ>>||anchor="H 7.A0FAQ"]].936 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]]. 887 887 ))) 888 888 ))) 889 889 * (((