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Changes for page TTN Stack 3

Last modified by Xiaoling on 2023/04/23 15:28
From version 1.6
edited by Xiaoling
on 2022/05/17 09:54
Change comment: There is no comment for this version
To version 1.3
edited by Xiaoling
on 2022/05/17 09:35
Change comment: There is no comment for this version

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1 -**~ Contents:**
1 +Contents:
2 2  
3 -{{toc/}}
4 4  
5 5  = 1. Introduction =
6 6  
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10 10  
11 11  Use MQTT API for downlink: Reference: [[TTN Stack v3 MQTT reference>>url:https://thethingsstack.io/v3.1.0/guides/getting-started/mqtt/]]
12 12  
12 +
13 13  **Download command is:**
14 14  
15 15  (% class="box" %)
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73 73  == 3.2 MIC Mismatch or MIC Failed ==
74 74  
75 75  (((
76 -(((
77 77  When the device is registered or the device is working normally, the problem of MIC mismatch and MIC failed occurs.
78 78  )))
79 -)))
80 80  
81 81  (((
82 -(((
83 83  Under normal circumstances, users need to change the APPKEY to solve this problem.
84 84  )))
85 -)))
86 86  
87 87  [[image:https://wiki.dragino.com/images/thumb/d/dd/MIC_mismatch.png/600px-MIC_mismatch.png||height="208" width="600"]]
88 88