右键点击对应的程序块，点击打开Wiki可获得该块详细介绍指定输出管脚输出高低电平对于UNO低电平为0V，高电平为5V数字输出通常用于各种数字量控制的执行器例如LED，继电器等上传本例将点亮13号管脚的板载指示灯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