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Last modified by Xiaoling on 2022/09/02 18:11
From version 4.2
edited by Xiaoling
on 2022/05/31 13:55
Change comment: There is no comment for this version
To version 20.1
edited by Xiaoling
on 2022/05/31 14:08
Change comment: Uploaded new attachment "image-20220531140811-19.png", version {1}

Summary

Details

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43 43  
44 -[[~[~[image:https://wiki.dragino.com/images/thumb/d/de/MQTT_3.png/400px-MQTT_3.png~|~|height="160" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_3.png]]
44 +[[image:image-20220531135607-4.png]]
45 45  
46 46  Schematic diagram:downlink.In this section, we will try to program LG01 to fetch download data from ThingSpeak, then broadcast this data to local LoRa network. The end node will get this message and check if they need to do something. Similar with Uplink Example, we will first try to do it in PC, then do it in Linux side, and finally integrate it with LoRa.
47 47  
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54 54  
55 55  == 4.1 Hardware ==
56 56  
57 -1. [[~[~[image:https://wiki.dragino.com/images/thumb/f/fb/2.png/300px-2.png~|~|height="283" width="300"~]~]>>url:https://wiki.dragino.com/index.php/File:2.png]](((
57 +1. [[image:image-20220531135650-5.png]](((
58 58  Listening on the LoRa wireless channel, while there is new LoRa packet arrives, parse it and send out to IoT Server.
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60 +
61 +
59 59  )))
60 -1. [[~[~[image:https://wiki.dragino.com/images/thumb/4/4a/1.png/400px-1.png~|~|height="216" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:1.png]](((
63 +1. [[image:image-20220531135750-6.png]](((
61 61  The LoRa End node keeps getting temperature and humidity from the sensor and sends out via LoRa periodically.
62 62  )))
63 63  
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70 70  1. [[DHTlib>>url:https://github.com/goodcheney/Lora/blob/patch-1/Lora%20Shield/Examples/DHTlib.zip]]
71 71  
72 72  
73 -
74 74  == 4.3 Server(For example) ==
75 75  
76 76  * [[ThingSpeak>>url:https://thingspeak.com/]]
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80 80  
81 81  * Need this keys:
82 82  
83 -1. [[~[~[image:https://wiki.dragino.com/images/thumb/b/bc/Server1.png/400px-Server1.png~|~|height="185" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:Server1.png]](((
85 +1. [[image:image-20220531140054-8.png]](((
84 84  Channel ID,Write API Key
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89 +
85 85  )))
86 -1. [[~[~[image:https://wiki.dragino.com/images/thumb/e/e2/Server2.png/400px-Server2.png~|~|height="128" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:Server2.png]](((
91 +1. [[image:image-20220531140326-13.png]](((
87 87  Account->My Profile,MQTT API Key
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94 +
95 +
88 88  )))
89 89  1. (((
90 -[[~[~[image:https://wiki.dragino.com/images/thumb/f/f3/IOT_Configure1.png/400px-IOT_Configure1.png~|~|alt="IOT Configure1.png" height="132" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:IOT_Configure1.png]]
98 +[[image:image-20220531140304-12.png]]
91 91  )))
92 92  
93 93  
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95 95  
96 96  Tips:Please confirm that your LG01 version is 4.3.3.
97 97  
98 -[[~[~[image:https://wiki.dragino.com/images/thumb/e/eb/LG01_Version.png/400px-LG01_Version.png~|~|height="219" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:LG01_Version.png]]
106 +[[image:image-20220531140248-11.png]]
99 99  
100 -Overview
108 +**Overview**
101 101  
102 -[[~[~[image:https://wiki.dragino.com/images/thumb/f/f6/MQTT_LG01_Configure_1.png/400px-MQTT_LG01_Configure_1.png~|~|height="281" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_LG01_Configure_1.png]]
103 103  
104 -Senosor->IOT Server
105 105  
106 -[[~[~[image:https://wiki.dragino.com/images/thumb/6/64/MQTT_LG01_Configure_2.png/400px-MQTT_LG01_Configure_2.png~|~|height="152" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_LG01_Configure_2.png]]
112 +[[image:image-20220531140425-14.png]]
107 107  
108 -MQTT->Configure MQTT Server
114 +**Senosor->IOT Server**
109 109  
110 -[[~[~[image:https://wiki.dragino.com/images/thumb/6/6a/MQTT_LG01_Configure_3.png/400px-MQTT_LG01_Configure_3.png~|~|height="91" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_LG01_Configure_3.png]]
111 111  
112 -MQTT->MQTT Channel
117 +[[image:image-20220531140458-15.png]]
113 113  
114 -[[~[~[image:https://wiki.dragino.com/images/thumb/3/36/MQTT_LG01_Configure_4.png/400px-MQTT_LG01_Configure_4.png~|~|height="257" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_LG01_Configure_4.png]]
119 +**MQTT->Configure MQTT Server**
115 115  
116 -Sensor->LoRa/LoraWAN
117 117  
118 -[[~[~[image:https://wiki.dragino.com/images/thumb/6/61/MQTT_LG01_Configure_5.png/400px-MQTT_LG01_Configure_5.png~|~|height="230" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_LG01_Configure_5.png]]
119 119  
120 -Configure network access.Network->Internet Access
123 +[[image:image-20220531140538-16.png]]
121 121  
125 +**MQTT->MQTT Channel**
122 122  
127 +
128 +
129 +[[image:image-20220531140611-17.png]]
130 +
131 +**Sensor->LoRa/LoraWAN**
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133 +
134 +
135 +[[image:image-20220531140651-18.png]]
136 +
137 +Configure network access.**Network->Internet Access**
138 +
139 +
123 123  == 4.6 Try MQTT API call with LG01 Linux command ==
124 124  
125 125  === 4.6.1 Input the command at the console ===
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