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Last modified by Xiaoling on 2025/04/27 16:45
From version 150.49
edited by Xiaoling
on 2022/06/11 09:18
Change comment: There is no comment for this version
To version 153.1
edited by Xiaoling
on 2022/06/14 17:32
Change comment: There is no comment for this version

Summary

Details

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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  
... ... @@ -25,42 +25,22 @@
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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87 87  * 4000mAh or 8500mAh Battery for long term use
88 88  
89 89  
74 +
90 90  == 1.3  Specification ==
91 91  
92 92  === 1.3.1  Rated environmental conditions ===
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94 94  [[image:image-20220610154839-1.png]]
95 95  
96 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)**
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)**
98 98  )))
99 99  
100 100  
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168 168  )))
169 169  
170 170  (((
158 +
159 +
171 171  (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
172 172  )))
173 173  
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187 187  )))
188 188  
189 189  (((
179 +
180 +
190 190  **Add APP EUI in the application**
191 191  )))
192 192  
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288 288  
289 289  
290 290  
291 -
292 292  === 2.3.3  Interrupt Pin ===
293 293  
294 294  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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317 317  
318 318  === 2.3.5  Sensor Flag ===
319 319  
310 +(((
320 320  0x01: Detect Ultrasonic Sensor
312 +)))
321 321  
314 +(((
322 322  0x00: No Ultrasonic Sensor
316 +)))
323 323  
324 324  
325 325  
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332 332  
333 333  The payload decoder function for TTN V3 is here:
334 334  
329 +(((
335 335  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/]]
331 +)))
336 336  
337 337  
338 338  
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858 858  * Solid ON for 5 seconds once device successful Join the network.
859 859  * Blink once when device transmit a packet.
860 860  
857 +
858 +
861 861  == 2.8  ​Firmware Change Log ==
862 862  
863 863  
862 +(((
864 864  **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 +)))
865 865  
866 +(((
867 +
868 +)))
866 866  
870 +(((
867 867  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
872 +)))
868 868  
869 869  
870 870  
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1008 1008  [[image:image-20220610172924-5.png]]
1009 1009  
1010 1010  
1016 +(((
1011 1011  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 +)))
1012 1012  
1013 1013  
1014 1014   [[image:image-20220610172924-6.png||height="601" width="860"]]
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1032 1032  (((
1033 1033  Format: Command Code (0x01) followed by 3 bytes time value.
1034 1034  
1042 +(((
1035 1035  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1044 +)))
1036 1036  
1037 1037  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1038 1038  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1039 1039  )))
1049 +)))
1040 1040  
1041 1041  
1042 -
1043 -)))
1044 1044  
1053 +
1054 +
1045 1045  == 3.3  Set Interrupt Mode ==
1046 1046  
1047 1047  Feature, Set Interrupt mode for GPIO_EXIT.
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1055 1055  
1056 1056  Format: Command Code (0x06) followed by 3 bytes.
1057 1057  
1068 +(((
1058 1058  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 +)))
1059 1059  
1060 1060  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1061 1061  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1062 1062  
1075 +
1076 +
1063 1063  = 4.  FAQ =
1064 1064  
1065 1065  == 4.1  What is the frequency plan for LDDS75? ==
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1119 1119  * (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1120 1120  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1121 1121  
1136 +
1137 +
1122 1122  = 7. ​ Packing Info =
1123 1123  
1124 1124  
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1133 1133  * Package Size / pcs : cm
1134 1134  * Weight / pcs : g
1135 1135  
1152 +
1153 +
1136 1136  = 8.  ​Support =
1137 1137  
1138 1138  * 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.