【DFRobot Bluno试用体验】驱动数码管

【DFRobot Bluno试用体验】驱动数码管

准备工具：电脑；DFRobot Bluno开发板;面包板；共阴极数码管；220欧电阻8个

                 USB线一根;杜邦线若干

共阴极数码管管脚图：

硬件连线图：

程序代码：

void setup() {

  // put your setup code here, to run once:

  for(int i = 2;i < 10;i++){

    pinMode(i,OUTPUT);

  }

}



void loop() {



  

  // put your main code here, to run repeatedly:



  digitalWrite(2,HIGH);   //零

  digitalWrite(3,HIGH);

  digitalWrite(4,HIGH);

  digitalWrite(5,HIGH);

  digitalWrite(6,HIGH);

  digitalWrite(7,HIGH);

  digitalWrite(8,LOW);

  digitalWrite(9,LOW);

  

  delay(1000);



  digitalWrite(2,LOW);   //壹

  digitalWrite(3,HIGH);

  digitalWrite(4,HIGH);

  digitalWrite(5,LOW);

  digitalWrite(6,LOW);

  digitalWrite(7,LOW);

  digitalWrite(8,LOW);

  digitalWrite(9,LOW);



 delay(1000);

 

  digitalWrite(2,HIGH);   //贰

  digitalWrite(3,HIGH);

  digitalWrite(4,LOW);

  digitalWrite(5,HIGH);

  digitalWrite(6,HIGH);

  digitalWrite(7,LOW);

  digitalWrite(8,HIGH);

  digitalWrite(9,LOW);



 delay(1000);



  digitalWrite(2,HIGH);   //叁

  digitalWrite(3,HIGH);

  digitalWrite(4,HIGH);

  digitalWrite(5,HIGH);

  digitalWrite(6,LOW);

  digitalWrite(7,LOW);

  digitalWrite(8,HIGH);

  digitalWrite(9,LOW);



  delay(1000);



  digitalWrite(2,LOW);   //肆

  digitalWrite(3,HIGH);

  digitalWrite(4,HIGH);

  digitalWrite(5,LOW);

  digitalWrite(6,LOW);

  digitalWrite(7,HIGH);

  digitalWrite(8,HIGH);

  digitalWrite(9,LOW);



    delay(1000);



  digitalWrite(2,HIGH);   //伍 

  digitalWrite(3,LOW);

  digitalWrite(4,HIGH);

  digitalWrite(5,HIGH);

  digitalWrite(6,LOW);

  digitalWrite(7,HIGH);

  digitalWrite(8,HIGH);

  digitalWrite(9,LOW);



  delay(1000);

  

  digitalWrite(2,HIGH);   //陆  

  digitalWrite(3,LOW);

  digitalWrite(4,HIGH);

  digitalWrite(5,HIGH);

  digitalWrite(6,HIGH);

  digitalWrite(7,HIGH);

  digitalWrite(8,HIGH);

  digitalWrite(9,LOW);



  delay(1000);



   digitalWrite(2,HIGH);   //柒   

   digitalWrite(3,HIGH);

   digitalWrite(4,HIGH);

  digitalWrite(5,LOW);

  digitalWrite(6,LOW);

  digitalWrite(7,LOW);

  digitalWrite(8,LOW);

  digitalWrite(9,LOW);



 delay(1000);



  digitalWrite(2,HIGH);   //捌    

  digitalWrite(3,HIGH);

  digitalWrite(4,HIGH);

  digitalWrite(5,HIGH);

  digitalWrite(6,HIGH);

  digitalWrite(7,HIGH);

  digitalWrite(8,HIGH);

  digitalWrite(9,LOW);



 delay(1000);



  digitalWrite(2,HIGH);   //玖     

  digitalWrite(3,HIGH);

  digitalWrite(4,HIGH);

  digitalWrite(5,HIGH);

  digitalWrite(6,LOW);

  digitalWrite(7,HIGH);

  digitalWrite(8,HIGH);

  digitalWrite(9,LOW);



   delay(1000);

}

下载效果：

视频连接：http://v.youku.com/v_show/id_XMTM2MjIzMTkwMA==.html