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游戏网站开发毕业设计,网站流量统计怎么做的,网站建设 说明,黄金网站软件免费文章目录 所需的材料以及电路连接图了解共阴数码管各个引脚的作用实验流程 实验代码最终所得结果#xff08;如下视频#xff09; 所需的材料以及电路连接图 Arduino 板1个 USB下载数据线1根 面包板1个 杜邦线若干 1k 电阻 8 个 共阴极数码管1个 按照如下方式连接 了解共…文章目录所需的材料以及电路连接图了解共阴数码管各个引脚的作用实验流程实验代码最终所得结果如下视频所需的材料以及电路连接图Arduino 板1个USB下载数据线1根面包板1个杜邦线若干1k 电阻 8 个共阴极数码管1个按照如下方式连接了解共阴数码管各个引脚的作用将数码管的正面朝向我们自上而下从左往右的引脚分别定义成 1~10其中 3 号引脚和 8 号引脚都是公共端用于接入电路中的阴极也叫GND数码管中共有8个发光二极管分别表示成 a ~ hh 为小数点各个引脚所控制的发光二极管图中也标出来了1 - g2 - f4 - a5 - b6 - e7 - d9 - c10 - h实验流程这里采用 8 号引脚作为 GND连接端3号引脚功能也是一样的每个发光二极管的引脚均接入一个1k的电阻防止电流过大烧毁二极管。按照发光二极管从 a ~ h 的顺序分别接上arduino主板上的数字口 2 ~ 8和10。实验代码// 定义数码管各段对应的引脚共阳极// a:2, b:3, c:4, d:5, e:6, f:7, g:8, h(dp):9inta2;intb3;intc4;intd5;inte6;intf7;intg8;inth9;// 小数点dp// 新增通用清零函数切换数字前先熄灭所有段电平已互换voidclearDisplay(){digitalWrite(a,HIGH);digitalWrite(b,HIGH);digitalWrite(c,HIGH);digitalWrite(d,HIGH);digitalWrite(e,HIGH);digitalWrite(f,HIGH);digitalWrite(g,HIGH);digitalWrite(h,HIGH);}voidsetup(){// 设置2~9号引脚为输出模式for(inti2;i9;i){pinMode(i,OUTPUT);}// 初始化时先清零避免上电乱码clearDisplay();}voidloop(){// 依次显示0-9每个数字停留1秒切换前先清零clearDisplay();digital_0();delay(1000);clearDisplay();digital_1();delay(1000);clearDisplay();digital_2();delay(1000);clearDisplay();digital_3();delay(1000);clearDisplay();digital_4();delay(1000);clearDisplay();digital_5();delay(1000);clearDisplay();digital_6();delay(1000);clearDisplay();digital_7();delay(1000);clearDisplay();digital_8();delay(1000);clearDisplay();digital_9();delay(1000);}// 显示数字0共阳极亮LOW灭HIGH小数点灭voiddigital_0(void){digitalWrite(a,LOW);digitalWrite(b,LOW);digitalWrite(c,LOW);digitalWrite(d,LOW);digitalWrite(e,LOW);digitalWrite(f,LOW);digitalWrite(g,HIGH);// g段灭digitalWrite(h,HIGH);// 小数点灭}// 显示数字1voiddigital_1(void){digitalWrite(a,HIGH);digitalWrite(b,LOW);digitalWrite(c,LOW);digitalWrite(d,HIGH);digitalWrite(e,HIGH);digitalWrite(f,HIGH);digitalWrite(g,HIGH);digitalWrite(h,HIGH);}// 显示数字2voiddigital_2(void){digitalWrite(a,LOW);digitalWrite(b,LOW);digitalWrite(c,HIGH);digitalWrite(d,LOW);digitalWrite(e,LOW);digitalWrite(f,HIGH);digitalWrite(g,LOW);digitalWrite(h,HIGH);}// 显示数字3voiddigital_3(void){digitalWrite(a,LOW);digitalWrite(b,LOW);digitalWrite(c,LOW);digitalWrite(d,LOW);digitalWrite(e,HIGH);digitalWrite(f,HIGH);digitalWrite(g,LOW);digitalWrite(h,HIGH);}// 显示数字4voiddigital_4(void){digitalWrite(a,HIGH);digitalWrite(b,LOW);digitalWrite(c,LOW);digitalWrite(d,HIGH);digitalWrite(e,HIGH);digitalWrite(f,LOW);digitalWrite(g,LOW);digitalWrite(h,HIGH);}// 显示数字5voiddigital_5(void){digitalWrite(a,LOW);digitalWrite(b,HIGH);digitalWrite(c,LOW);digitalWrite(d,LOW);digitalWrite(e,HIGH);digitalWrite(f,LOW);digitalWrite(g,LOW);digitalWrite(h,HIGH);}// 显示数字6voiddigital_6(void){digitalWrite(a,LOW);digitalWrite(b,HIGH);digitalWrite(c,LOW);digitalWrite(d,LOW);digitalWrite(e,LOW);digitalWrite(f,LOW);digitalWrite(g,LOW);digitalWrite(h,HIGH);}// 显示数字7voiddigital_7(void){digitalWrite(a,LOW);digitalWrite(b,LOW);digitalWrite(c,LOW);digitalWrite(d,HIGH);digitalWrite(e,HIGH);digitalWrite(f,HIGH);digitalWrite(g,HIGH);digitalWrite(h,HIGH);}// 显示数字8voiddigital_8(void){digitalWrite(a,LOW);digitalWrite(b,LOW);digitalWrite(c,LOW);digitalWrite(d,LOW);digitalWrite(e,LOW);digitalWrite(f,LOW);digitalWrite(g,LOW);digitalWrite(h,HIGH);}// 显示数字9voiddigital_9(void){digitalWrite(a,LOW);digitalWrite(b,LOW);digitalWrite(c,LOW);digitalWrite(d,LOW);digitalWrite(e,HIGH);digitalWrite(f,LOW);digitalWrite(g,LOW);digitalWrite(h,HIGH);}最终所得结果如下视频QQ视频20251210172009给arduino板通电以后数码管会按照从 0 ~ 9 的顺序每隔1秒切换显示数字。