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Last modified by Xiaoling on 2025/04/27 16:45
From version 150.52
edited by Xiaoling
on 2022/06/11 09:21
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To version 154.1
edited by Xiaoling
on 2022/06/15 08:56
Change comment: Uploaded new attachment "1655254599445-662.png", version {1}

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Title
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1 -LDDS75 - LoRaWAN Distance Detection Sensor User Manual
1 +LDDS20 - LoRaWAN Liquid Level Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 2  [[image:1654846127817-788.png]]
3 3  
4 -**Contents:**
5 5  
5 +
6 +
7 +
8 +**Table of Contents:**
9 +
6 6  {{toc/}}
7 7  
8 8  
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25 25  )))
26 26  
27 27  (((
28 -
29 -)))
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 33  )))
34 34  
35 35  (((
36 -
37 -)))
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 41  )))
42 42  
43 43  (((
44 -
45 -)))
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 49  )))
50 50  
51 51  (((
52 -
53 -)))
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 57  )))
58 58  
59 59  (((
60 -
61 -)))
62 -
63 -(((
64 64  (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
65 65  )))
66 66  )))
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86 86  * IP66 Waterproof Enclosure
87 87  * 4000mAh or 8500mAh Battery for long term use
88 88  
73 +
74 +
89 89  == 1.3  Specification ==
90 90  
91 91  === 1.3.1  Rated environmental conditions ===
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93 93  [[image:image-20220610154839-1.png]]
94 94  
95 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)**
82 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);  **
83 +
84 +**~ 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 97  )))
98 98  
99 99  
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130 130  * Bottom water level monitoring
131 131  
132 132  
121 +
133 133  == 1.6  Pin mapping and power on ==
134 134  
135 135  
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166 166  )))
167 167  
168 168  (((
158 +
159 +
169 169  (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
170 170  )))
171 171  
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185 185  )))
186 186  
187 187  (((
179 +
180 +
188 188  **Add APP EUI in the application**
189 189  )))
190 190  
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863 863  
864 864  
865 865  
866 -
867 867  == 2.8  ​Firmware Change Log ==
868 868  
869 869  
862 +(((
870 870  **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/]]
864 +)))
871 871  
866 +(((
867 +
868 +)))
872 872  
870 +(((
873 873  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
872 +)))
874 874  
875 875  
876 876  
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1014 1014  [[image:image-20220610172924-5.png]]
1015 1015  
1016 1016  
1016 +(((
1017 1017  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:
1018 +)))
1018 1018  
1019 1019  
1020 1020   [[image:image-20220610172924-6.png||height="601" width="860"]]
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1038 1038  (((
1039 1039  Format: Command Code (0x01) followed by 3 bytes time value.
1040 1040  
1042 +(((
1041 1041  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1044 +)))
1042 1042  
1043 1043  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1044 1044  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1045 1045  )))
1049 +)))
1046 1046  
1047 1047  
1048 -
1049 -)))
1050 1050  
1053 +
1054 +
1051 1051  == 3.3  Set Interrupt Mode ==
1052 1052  
1053 1053  Feature, Set Interrupt mode for GPIO_EXIT.
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1061 1061  
1062 1062  Format: Command Code (0x06) followed by 3 bytes.
1063 1063  
1068 +(((
1064 1064  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1070 +)))
1065 1065  
1066 1066  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1067 1067  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1068 1068  
1075 +
1076 +
1069 1069  = 4.  FAQ =
1070 1070  
1071 1071  == 4.1  What is the frequency plan for LDDS75? ==
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1125 1125  * (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1126 1126  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1127 1127  
1136 +
1137 +
1128 1128  = 7. ​ Packing Info =
1129 1129  
1130 1130  
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1139 1139  * Package Size / pcs : cm
1140 1140  * Weight / pcs : g
1141 1141  
1152 +
1153 +
1142 1142  = 8.  ​Support =
1143 1143  
1144 1144  * 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.
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1 +XWiki.Xiaoling
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