ii
实验篇 ............................................................................................................ 34
第一节 多彩 led 灯实验
................................................................................... 35
一、发光二极管介绍
............................................................................................................35
二、简单的控制一个 led 灯的闪烁实验
.........................................................................39
三、广告灯效果实验
............................................................................................................41
第二节 蜂鸣器实验 ......................................................................................... 48
一、蜂鸣器介绍
....................................................................................................................48
二、蜂鸣器模拟救护车警笛声音实验
.............................................................................50
第三节 数码管实验 ......................................................................................... 54
一、数码管介绍
....................................................................................................................54
二、数码管显示数字的实验
...............................................................................................56
第四节 按键实验 ............................................................................................. 63
一、按键介绍
.........................................................................................................................63
二、按键控制 led 等亮灭实验
..........................................................................................65
三、掷骰子实验
....................................................................................................................67
第五节 倾斜开关实验 ...................................................................................... 74
一、倾斜开关介绍
................................................................................................................74
二、倾斜开关控制 led 灯的亮灭
......................................................................................75
第六节 光控声音实验 ...................................................................................... 79
一、光敏电阻介绍
................................................................................................................79
二、光控声音实验
................................................................................................................80
第七节 火焰报警实验 ...................................................................................... 84
一、火焰传感器介绍
............................................................................................................84
二、火焰报警实验
................................................................................................................85
第八节 抢答器实验 ......................................................................................... 90
第九节 温度报警实验 ...................................................................................... 98
一、温度传感器介绍
............................................................................................................98
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