定时器外部中断OLED熄灭

根据引用中的内容，定时器外部中断可以用于控制LED点亮和熄灭。当按下并弹开KEY1按钮时，LED会点亮，再次按下并弹开KEY1按钮时，LED会熄灭。因此，要实现定时器外部中断使OLED熄灭，你需要按下并弹开KEY1按钮。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [【STM32】EXTI---外部中断/事件控制器](https://blog.csdn.net/qq_43328313/article/details/106559934)[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^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
- *2* *3* [stm32 /*EXTI外部中断使用](https://blog.csdn.net/xhZhangShaoFan/article/details/123357487)[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^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
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