arduino初始化引脚

在Arduino的初始化过程中，会对一些引脚进行配置。例如，引用\[2\]中提到了对背光IO的初始化，使用了22引脚作为背光控制引脚。此外，还可以根据具体需求对其他引脚进行初始化配置，比如超声波传感器模块中的Trig和Echo引脚，可以通过宏定义来指定它们的引脚号，并在初始化函数中设置引脚的输入输出模式。在setup()函数中，可以调用相应的初始化函数来配置这些引脚。
#### 引用[.reference_title]
- *1* [arduino8266控制引脚](https://blog.csdn.net/u010262704/article/details/128683360)[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^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [arduino-esp32：LVGL项目（二）初始化以及控制模块](https://blog.csdn.net/unclejin_/article/details/126673366)[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^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [arduino学习——引脚配置、超声波测距模块使用](https://blog.csdn.net/qq_22842309/article/details/108409124)[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^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
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