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Last modified by Xiaoling on 2024/05/21 14:45
From version 5.1
edited by Mengting Qiu
on 2024/05/20 09:39
Change comment: There is no comment for this version
To version 4.1
edited by Mengting Qiu
on 2024/05/20 09:33
Change comment: Uploaded new attachment "image-20240520093355-2.png", version {1}

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3 3  {{toc/}}
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6 -= 1. Burn the Configure certificate. =
6 += 1. =
7 7  
8 -**hex** firmware.
8 += 2. =
9 9  
10 -After burning, the serial port displays as follows：
11 11  
12 -[[image:image-20240520093014-1.png]]
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16 -= 2. Configure CA certificate. =
17 17  
18 -Please input the certificate in PEM format for the user. (The format of the image is entered casually, not in PEM format.)
19 19  
20 -Use the AT command **AT+CACERT** as follows:
21 21  
22 -The following certificates are for free input. Please enter the complete certificate when using them.
23 23  
24 -[[image:image-20240520093355-2.png]]
25 25  
26 -If the configuration succeeds, the message "CA certificate configuration succeeded" is displayed. Otherwise, the configuration fails.
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