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Last modified by Xiaoling on 2025/04/27 16:45
From version 150.55
edited by Xiaoling
on 2022/06/11 09:22
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To version 154.1
edited by Xiaoling
on 2022/06/15 08:56
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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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129 129  * Sewer
130 130  * Bottom water level monitoring
131 131  
120 +
121 +
132 132  == 1.6  Pin mapping and power on ==
133 133  
134 134  
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165 165  )))
166 166  
167 167  (((
158 +
159 +
168 168  (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
169 169  )))
170 170  
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184 184  )))
185 185  
186 186  (((
179 +
180 +
187 187  **Add APP EUI in the application**
188 188  )))
189 189  
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284 284  * 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.
285 285  
286 286  
281 +
287 287  === 2.3.3  Interrupt Pin ===
288 288  
289 289  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.
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1044 1044  (((
1045 1045  Format: Command Code (0x01) followed by 3 bytes time value.
1046 1046  
1042 +(((
1047 1047  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1044 +)))
1048 1048  
1049 1049  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1050 1050  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1051 1051  )))
1049 +)))
1052 1052  
1053 1053  
1054 -
1055 -)))
1056 1056  
1053 +
1054 +
1057 1057  == 3.3  Set Interrupt Mode ==
1058 1058  
1059 1059  Feature, Set Interrupt mode for GPIO_EXIT.
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1067 1067  
1068 1068  Format: Command Code (0x06) followed by 3 bytes.
1069 1069  
1068 +(((
1070 1070  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 +)))
1071 1071  
1072 1072  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1073 1073  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1074 1074  
1075 +
1076 +
1075 1075  = 4.  FAQ =
1076 1076  
1077 1077  == 4.1  What is the frequency plan for LDDS75? ==
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1131 1131  * (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1132 1132  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1133 1133  
1136 +
1137 +
1134 1134  = 7. ​ Packing Info =
1135 1135  
1136 1136  
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1145 1145  * Package Size / pcs : cm
1146 1146  * Weight / pcs : g
1147 1147  
1152 +
1153 +
1148 1148  = 8.  ​Support =
1149 1149  
1150 1150  * 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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