Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Last modified by Mengting Qiu on 2025/02/26 15:04
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -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]] ... ... @@ -100,7 +100,6 @@ 100 100 * Sewer 101 101 * Bottom water level monitoring 102 102 103 - 104 104 == 1.6 Pin mapping and power on == 105 105 106 106 ... ... @@ -242,7 +242,6 @@ 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. 243 243 244 244 245 - 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. ... ... @@ -813,7 +813,6 @@ 813 813 * Blink once when device transmit a packet. 814 814 815 815 816 - 817 817 == 2.8 Firmware Change Log == 818 818 819 819 ... ... @@ -829,9 +829,11 @@ 829 829 830 830 [[image:image-20220610172003-1.png]] 831 831 856 + 832 832 [[image:image-20220610172003-2.png]] 833 833 834 834 860 + 835 835 == 2.10 Battery Analysis == 836 836 837 837 === 2.10.1 Battery Type === ... ... @@ -842,7 +842,7 @@ 842 842 The battery related documents as below: 843 843 844 844 * ((( 845 -[[ 871 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 846 846 ))) 847 847 * ((( 848 848 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -858,7 +858,7 @@ 858 858 === 2.10.2 Replace the battery === 859 859 860 860 ((( 861 -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.887 +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. 862 862 ))) 863 863 864 864 ((( ... ... @@ -866,7 +866,7 @@ 866 866 ))) 867 867 868 868 ((( 869 -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)895 +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) 870 870 ))) 871 871 872 872 ... ... @@ -881,7 +881,7 @@ 881 881 882 882 * ((( 883 883 ((( 884 -AT Command Connection: See [[FAQ>>||anchor="H 7.A0FAQ"]].910 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]]. 885 885 ))) 886 886 ))) 887 887 * ((( ... ... @@ -1014,6 +1014,8 @@ 1014 1014 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1015 1015 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1016 1016 1043 + 1044 + 1017 1017 = 4. FAQ = 1018 1018 1019 1019 == 4.1 What is the frequency plan for LDDS75? == ... ... @@ -1073,6 +1073,8 @@ 1073 1073 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1074 1074 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1075 1075 1104 + 1105 + 1076 1076 = 7. Packing Info = 1077 1077 1078 1078 ... ... @@ -1087,6 +1087,8 @@ 1087 1087 * Package Size / pcs : cm 1088 1088 * Weight / pcs : g 1089 1089 1120 + 1121 + 1090 1090 = 8. Support = 1091 1091 1092 1092 * 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.