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]] ... ... @@ -59,6 +59,7 @@ 59 59 * IP66 Waterproof Enclosure 60 60 * 4000mAh or 8500mAh Battery for long term use 61 61 89 + 62 62 == 1.3 Specification == 63 63 64 64 === 1.3.1 Rated environmental conditions === ... ... @@ -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);** 96 +((( 97 +**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)** 98 +))) 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 83 112 +((( 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.** 114 +))) 85 85 86 86 87 87 [[image:1654852175653-550.png]](% style="display:none" %) ** ** ... ... @@ -101,6 +101,7 @@ 101 101 * Bottom water level monitoring 102 102 103 103 134 + 104 104 == 1.6 Pin mapping and power on == 105 105 106 106 ... ... @@ -147,11 +147,17 @@ 147 147 [[image:image-20220607170145-1.jpeg]] 148 148 149 149 181 +((( 150 150 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 183 +))) 151 151 185 +((( 152 152 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 187 +))) 153 153 189 +((( 154 154 **Add APP EUI in the application** 191 +))) 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 ((( 234 +((( 197 197 LDDS75 will uplink payload via LoRaWAN with below payload format: 236 +))) 198 198 238 +((( 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 ))) 242 +))) 202 202 203 203 ((( 204 204 ... ... @@ -241,8 +241,6 @@ 241 241 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 242 242 * 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. 243 243 244 - 245 - 246 246 === 2.3.3 Interrupt Pin === 247 247 248 248 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. ... ... @@ -812,8 +812,6 @@ 812 812 * Solid ON for 5 seconds once device successful Join the network. 813 813 * Blink once when device transmit a packet. 814 814 815 - 816 - 817 817 == 2.8 Firmware Change Log == 818 818 819 819 ... ... @@ -1016,9 +1016,6 @@ 1016 1016 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1017 1017 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1018 1018 1019 - 1020 - 1021 - 1022 1022 = 4. FAQ = 1023 1023 1024 1024 == 4.1 What is the frequency plan for LDDS75? ==