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Questions and Answers
在嵌入式系统设计中，GPIO实验的实验内容是什么？
在嵌入式系统设计中，GPIO实验的实验内容是什么？
- 按钮B1控制流动灯方向变化
- 默认LED1~8流动灯效果 (correct)
- 测试GPIO引脚电压
- 测试GPIO引脚频率
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