STM32 UART3开通

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- *3* [STM32F103VE基于STM32CubeMX读取DS18B20数据](https://blog.csdn.net/weixin_42880082/article/details/129859344)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control,239^v3^insert_chatgpt"}} ] [.reference_item]
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