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Arduino 101 实验05 - 光照传感器，做一个自动小夜灯 · App Inventor 2 中文网
...照数据
第 2 步：显示光强并判断明暗
第 3 步：阈值可调，并联动 LED
第 4 步：收尾
五、排错表
六、下一步
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