Last modified by Mengting Qiu on 2025/02/26 15:04
<
From version < 150.11 >
edited by Xiaoling
on 2022/06/11 08:40
To version < 150.42 >
edited by Xiaoling
on 2022/06/11 09:14
>
Change comment: There is no comment for this version

Summary

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]]
... ... @@ -60,7 +60,6 @@
60 60  * 4000mAh or 8500mAh Battery for long term use
61 61  
62 62  
63 -
64 64  == 1.3  Specification ==
65 65  
66 66  === 1.3.1  Rated environmental conditions ===
... ... @@ -67,12 +67,12 @@
67 67  
68 68  [[image:image-20220610154839-1.png]]
69 69  
70 -**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 +)))
71 71  
72 -**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)**
73 73  
74 74  
75 -
76 76  === 1.3.2  Effective measurement range Reference beam pattern ===
77 77  
78 78  **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
... ... @@ -104,7 +104,6 @@
104 104  
105 105  
106 106  
107 -
108 108  == 1.6  Pin mapping and power on ==
109 109  
110 110  
... ... @@ -213,12 +213,12 @@
213 213  **Size (bytes)**
214 214  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
215 215  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
216 -[[Distance>>||anchor="H2.3.3A0Distance"]]
241 +[[Distance>>||anchor="H2.3.2A0Distance"]]
217 217  
218 218  (unit: mm)
219 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
220 -[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
221 -)))|[[Sensor Flag>>path:#Sensor_Flag]]
244 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
245 +[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
246 +)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
222 222  
223 223  [[image:1654850511545-399.png]]
224 224  
... ... @@ -247,7 +247,7 @@
247 247  
248 248  === 2.3.3  Interrupt Pin ===
249 249  
250 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
275 +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.
251 251  
252 252  **Example:**
253 253  
... ... @@ -829,9 +829,11 @@
829 829  
830 830  [[image:image-20220610172003-1.png]]
831 831  
857 +
832 832  [[image:image-20220610172003-2.png]]
833 833  
834 834  
861 +
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 -[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
872 +[[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.
888 +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  (((
... ... @@ -866,12 +866,12 @@
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)
896 +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  
873 873  
874 -= 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
901 += 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
875 875  
876 876  (((
877 877  (((
... ... @@ -881,7 +881,7 @@
881 881  
882 882  * (((
883 883  (((
884 -AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
911 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
885 885  )))
886 886  )))
887 887  * (((

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0