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micro:bit 实验04 - 用磁力计做一个指南针 · App Inventor 2 中文网
... 二、界面组件
三、分步搭代码块
第 1 步：连上就订阅方位角
第 2 步：显示方位角，并翻译成方向汉字
四、进阶：让蜜蜂跟着磁铁飞
五、排错表
六、下一步
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