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Last modified by Xiaoling on 2025/04/27 16:45
From version 151.1
edited by Xiaoling
on 2022/06/11 09:25
Change comment: There is no comment for this version
To version 154.2
edited by Xiaoling
on 2022/06/15 09:00
Change comment: There is no comment for this version

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Title
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1 -LDDS75 - LoRaWAN Distance Detection Sensor User Manual
1 +LDDS20 - LoRaWAN Ultrasonic Liquid Level Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:1654846127817-788.png]]
2 +[[image:1655254599445-662.png]]
3 3  
4 -**Contents:**
5 5  
6 -{{toc/}}
7 7  
8 8  
7 +**Table of Contents:**
9 9  
10 10  
11 11  
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12 12  
13 13  
14 14  
14 +
15 +
15 15  = 1.  Introduction =
16 16  
17 -== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
18 +== 1.1 ​ What is LoRaWAN Ultrasonic liquid level Sensor ==
18 18  
19 19  (((
20 20  
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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  
70 +
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)**
78 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
79 +
80 +**~ 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  
116 +
132 132  == 1.6  Pin mapping and power on ==
133 133  
134 134  
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165 165  )))
166 166  
167 167  (((
153 +
154 +
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  (((
174 +
175 +
187 187  **Add APP EUI in the application**
188 188  )))
189 189  
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283 283  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
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  
275 +
286 286  === 2.3.3  Interrupt Pin ===
287 287  
288 288  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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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  )))
1042 +)))
1052 1052  
1053 1053  
1054 -
1055 -)))
1056 1056  
1046 +
1047 +
1057 1057  == 3.3  Set Interrupt Mode ==
1058 1058  
1059 1059  Feature, Set Interrupt mode for GPIO_EXIT.
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1075 1075  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1076 1076  
1077 1077  
1078 -
1079 1079  = 4.  FAQ =
1080 1080  
1081 1081  == 4.1  What is the frequency plan for LDDS75? ==
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1136 1136  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1137 1137  
1138 1138  
1139 -
1140 1140  = 7. ​ Packing Info =
1141 1141  
1142 1142  
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1152 1152  * Weight / pcs : g
1153 1153  
1154 1154  
1155 -
1156 1156  = 8.  ​Support =
1157 1157  
1158 1158  * 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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1 +117.0 KB
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