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updata wifi doc
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docs/CanaanK230/part1/03-DevelopmentBoardDistributionNetwork.md

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> 请根据您实际运行的系统阅读对应的章节!
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在上电前,将TF-WIFI无线模块提前安装在开发板的TF卡槽位置,如下图所示:
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## 软件要求:
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​ 由于TF卡不支持热插拔,并且如果不接TF-WIFI模块会报错,所以在固件进行了区分,如果您像使用WiFi,需要更新EMMC系统(默认烧录的系统不支持WIFI模块),可在资料网盘中`03_开发板系统固件`目录下选择对应的系统下带wifi结尾的固件烧录即可。烧录方法参考《更新EMMC系统》章节。
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![image-20250627184046937](${images}/image-20250627184046937.png)
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> 请注意:必须重新烧录带wifi名称的固件才能正常使用TF-WIFI模块!!!
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更新完成系统并在上电前,将TF-WIFI无线模块提前安装在开发板的TF卡槽位置,如下图所示:
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![image-20250627174742792](${images}/image-20250627174742792.png)
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