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光电耦合器可参照图1所示来制作:先用透明胶带纸将发光二极管与光敏电阻对顶卷好,然后套上一段黑色塑料管,两端用沥青固定即成。
Optocouplers can be made as shown in Figure 1: First with a transparent tape of light-emitting diodes and photosensitive resistors on the top roll, and then put a black plastic tube ends with asphalt fixed Serve.