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/data/user/0/xxxx/files（内部存储）和 /storage/emulated/0/Android/data...
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APP INVENTOR硬件交互学习教程06——硬件参数上报 · App Inventor 2 中文网
...教程06——硬件参数上报
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本节主要实现硬件参数上报，板子接收到指令，执行后反馈一个状态给APP。
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