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Last modified by Xiaoling on 2025/04/27 16:45
From version 150.50
edited by Xiaoling
on 2022/06/11 09:18
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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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166 166  )))
167 167  
168 168  (((
153 +
154 +
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  (((
174 +
175 +
188 188  **Add APP EUI in the application**
189 189  )))
190 190  
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285 285  * 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.
286 286  
287 287  
288 -
289 289  === 2.3.3  Interrupt Pin ===
290 290  
291 291  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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333 333  
334 334  The payload decoder function for TTN V3 is here:
335 335  
323 +(((
336 336  LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
325 +)))
337 337  
338 338  
339 339  
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859 859  * Solid ON for 5 seconds once device successful Join the network.
860 860  * Blink once when device transmit a packet.
861 861  
851 +
862 862  == 2.8  ​Firmware Change Log ==
863 863  
864 864  
855 +(((
865 865  **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/]]
857 +)))
866 866  
859 +(((
860 +
861 +)))
867 867  
863 +(((
868 868  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
865 +)))
869 869  
870 870  
871 871  
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1009 1009  [[image:image-20220610172924-5.png]]
1010 1010  
1011 1011  
1009 +(((
1012 1012  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:
1011 +)))
1013 1013  
1014 1014  
1015 1015   [[image:image-20220610172924-6.png||height="601" width="860"]]
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1033 1033  (((
1034 1034  Format: Command Code (0x01) followed by 3 bytes time value.
1035 1035  
1035 +(((
1036 1036  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1037 +)))
1037 1037  
1038 1038  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1039 1039  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1040 1040  )))
1042 +)))
1041 1041  
1042 1042  
1043 -
1044 -)))
1045 1045  
1046 +
1047 +
1046 1046  == 3.3  Set Interrupt Mode ==
1047 1047  
1048 1048  Feature, Set Interrupt mode for GPIO_EXIT.
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1056 1056  
1057 1057  Format: Command Code (0x06) followed by 3 bytes.
1058 1058  
1061 +(((
1059 1059  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1063 +)))
1060 1060  
1061 1061  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1062 1062  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1063 1063  
1068 +
1064 1064  = 4.  FAQ =
1065 1065  
1066 1066  == 4.1  What is the frequency plan for LDDS75? ==
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1120 1120  * (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1121 1121  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1122 1122  
1128 +
1123 1123  = 7. ​ Packing Info =
1124 1124  
1125 1125  
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1134 1134  * Package Size / pcs : cm
1135 1135  * Weight / pcs : g
1136 1136  
1143 +
1137 1137  = 8.  ​Support =
1138 1138  
1139 1139  * 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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Author
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1 +XWiki.Xiaoling
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1 +117.0 KB
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