arduino 课件016 点阵屏幕

1 单词认识

单词	意思
matrix	矩阵

2 传感器

8*8

• 内部结构

  
  L1
  C1

in

3 接线

line

4 代码

image.png image.png

int line[6]={0,1,2,3,4,5};
int col[6]={8,9,10,11,12,13};

void setup() {
  // put your setup code here, to run once:
  for(int i =0;i<6;i++){
    pinMode(line[i],OUTPUT);
    pinMode(col[i],OUTPUT);
    digitalWrite(line[i],HIGH);
    digitalWrite(col[i],LOW);  //先要关闭
  }
}

void loop() {
  // put your main code here, to run repeatedly:
 digitalWrite(line[3],LOW);
 digitalWrite(col[0],HIGH);
}

image.png

显示我的图案

int line[6]={0,1,2,3,4,5};
int col[6]={8,9,10,11,12,13};
int appear[6][6]={ {0,0,0,0,0,0},
                   {0,0,0,1,0,0},
                   {0,0,0,0,0,0},
                   {1,0,0,0,0,0},
                   {0,0,0,0,0,0},
                   {0,0,0,0,0,0}};
void setup() {
  // put your setup code here, to run once:
  for(int i =0;i<6;i++){
    pinMode(line[i],OUTPUT);
    pinMode(col[i],OUTPUT);
    digitalWrite(line[i],HIGH);
    digitalWrite(col[i],LOW);
  }
}

void loop() {
  // put your main code here, to run repeatedly:
// digitalWrite(line[3],LOW);
// digitalWrite(col[0],HIGH);
for(int i=0;i<6;i++){
  //每个line 
  for(int j=0;j<6;j++){
    //每个col
    if(appear[i][j] ==1){
      digitalWrite(line[i],LOW);
      digitalWrite(col[j],HIGH);
      delay(10);
      digitalWrite(line[i],HIGH);
      digitalWrite(col[j],LOW);
    }
  }
}
}