【Arduino】七段顯示器 + 紅外線遙控

插成這樣好像在做炸彈 XD

我用的是共陰的，所以插法跟圖不太一樣
程式部分

#include <Wire.h> 
#include <LiquidCrystal_I2C.h>

// Set the LCD address to 0x27 for a 16 chars and 2 line display
LiquidCrystal_I2C lcd(0x27, 16, 2);

const int row1 = 2; // the number of the row pin 9
const int row2 = 7; // the number of the row pin 14
const int row3 = 14; // the number of the row pin 8
const int row4 = 5; // the number of the row pin 12
const int row5 = 13; // the number of the row pin 1
const int row6 = 15; // the number of the row pin 7
const int row7 = 12; // the number of the row pin 2
const int row8 = 17; // the number of the row pin 5

const int col1 = 6; // the number of the col pin 13
const int col2 = 11; // the number of the col pin 3
const int col3 = 10; // the number of the col pin 4
const int col4 = 3; // the number of the col pin 10
const int col5 = 16; // the number of the col pin 6
const int col6 = 4; // the number of the col pin 11
const int col7 = 8; // the number of the col pin 15
const int col8 = 9; // the number of the col pin 16


void setup()
{
 // initialize the LCD
 lcd.begin();
  for(int i=2;i<=17;i++)
  {
  pinMode(i, OUTPUT);
  }

}

void loop()
{
   int count;
  lcd.clear();
  lcd.print("Happy");
  lcd.setCursor(0, 1);   
  lcd.print("Valentine's Day");
  for(count=0;count<=2000;count++){
    heart2();
    }
  for(count=0;count<=2000;count++){
    heart1();
    }
  lcd.clear();
  lcd.setCursor(3, 0);
  lcd.print("Hey Girl");
  lcd.setCursor(1, 1);
  lcd.print("- I Love U -");
  for(count=0;count<=2000;count++){
    heart2();
    }
  for(count=0;count<=2000;count++){
    heart1();
    }
}
void heart1(){
  digitalWrite(col1,1);
  digitalWrite(col4,1);
  digitalWrite(col5,1);
  digitalWrite(col8,1);
  digitalWrite(row2,1);
  digitalWrite(row2,0);
  digitalWrite(col1,0);
  digitalWrite(col4,0);
  digitalWrite(col5,0);
  digitalWrite(col8,0);

  
  digitalWrite(col2,1);
  digitalWrite(col3,1);
  digitalWrite(col6,1);
  digitalWrite(col7,1);
  digitalWrite(row3,1);
  digitalWrite(row3,0);
  digitalWrite(col2,0);
  digitalWrite(col3,0);
  digitalWrite(col6,0);
  digitalWrite(col7,0);

  digitalWrite(col2,1);
  digitalWrite(col3,1);
  digitalWrite(col4,1);
  digitalWrite(col5,1);
  digitalWrite(col6,1);
  digitalWrite(col7,1);
  digitalWrite(row4,1);
  digitalWrite(row4,0);
  digitalWrite(col2,0);
  digitalWrite(col3,0);
  digitalWrite(col4,0);
  digitalWrite(col5,0);
  digitalWrite(col6,0);
  digitalWrite(col7,0);

  digitalWrite(col2,1);
  digitalWrite(col3,1);
  digitalWrite(col4,1);
  digitalWrite(col5,1);
  digitalWrite(col6,1);
  digitalWrite(col7,1);
  digitalWrite(row5,1);
  digitalWrite(row5,0);
  digitalWrite(col2,0);
  digitalWrite(col3,0);
  digitalWrite(col4,0);
  digitalWrite(col5,0);
  digitalWrite(col6,0);
  digitalWrite(col7,0);

  digitalWrite(col1,1);
  digitalWrite(col3,1);
  digitalWrite(col4,1);
  digitalWrite(col5,1);
  digitalWrite(col6,1);
  digitalWrite(col8,1);
  digitalWrite(row6,1);
  digitalWrite(row6,0);
  digitalWrite(col1,0);
  digitalWrite(col3,0);
  digitalWrite(col4,0);
  digitalWrite(col5,0);
  digitalWrite(col6,0);
  digitalWrite(col8,0);


  digitalWrite(col1,1);
  digitalWrite(col2,1);
  digitalWrite(col4,1);
  digitalWrite(col5,1);
  digitalWrite(col7,1);
  digitalWrite(col8,1);
  digitalWrite(row7,1);
  digitalWrite(row7,0);
  digitalWrite(col1,0);
  digitalWrite(col2,0);
  digitalWrite(col4,0);
  digitalWrite(col5,0);
  digitalWrite(col7,0);
  digitalWrite(col8,0);


  digitalWrite(col1,1);
  digitalWrite(col2,1);
  digitalWrite(col4,1);
  digitalWrite(col5,1);
  digitalWrite(col7,1);
  digitalWrite(col8,1);
  digitalWrite(row7,1);
  digitalWrite(row7,0);
  digitalWrite(col1,0);
  digitalWrite(col2,0);
  digitalWrite(col4,0);
  digitalWrite(col5,0);
  digitalWrite(col7,0);
  digitalWrite(col8,0);


  digitalWrite(col1,1);
  digitalWrite(col2,1);
  digitalWrite(col3,1);
  digitalWrite(col6,1);
  digitalWrite(col7,1);
  digitalWrite(col8,1);
  digitalWrite(row8,1);
  digitalWrite(row8,0);
  digitalWrite(col1,0);
  digitalWrite(col2,0);
  digitalWrite(col3,0);
  digitalWrite(col6,0);
  digitalWrite(col7,0);
  digitalWrite(col8,0);


  
  }
void heart2(){


  digitalWrite(col1,1);
  digitalWrite(col2,1);
  digitalWrite(col4,1);
  digitalWrite(col6,1);
  digitalWrite(col7,1);
  digitalWrite(col8,1);
  digitalWrite(row3,1);
  digitalWrite(row3,0);
  digitalWrite(col1,0);
  digitalWrite(col2,0);
  digitalWrite(col4,0);
  digitalWrite(col6,0);
  digitalWrite(col7,0);
  digitalWrite(col8,0);


  digitalWrite(col1,1);
  digitalWrite(col3,1);
  digitalWrite(col5,1);
  digitalWrite(col7,1);
  digitalWrite(col8,1);
  digitalWrite(row4,1);
  digitalWrite(row4,0);
  digitalWrite(col1,0);
  digitalWrite(col3,0);
  digitalWrite(col5,0);
  digitalWrite(col7,0);
  digitalWrite(col8,0);

  digitalWrite(col1,1);
  digitalWrite(col3,1);
  digitalWrite(col4,1);
  digitalWrite(col5,1);
  digitalWrite(col7,1);
  digitalWrite(col8,1);
  digitalWrite(row5,1);
  digitalWrite(row5,0);
  digitalWrite(col1,0);
  digitalWrite(col3,0);
  digitalWrite(col4,0);
  digitalWrite(col5,0);
  digitalWrite(col7,0);
  digitalWrite(col8,0);


  digitalWrite(col1,1);
  digitalWrite(col2,1);
  digitalWrite(col4,1);
  digitalWrite(col6,1);
  digitalWrite(col7,1);
  digitalWrite(col8,1);
  digitalWrite(row6,1);
  digitalWrite(row6,0);
  digitalWrite(col1,0);
  digitalWrite(col2,0);
  digitalWrite(col4,0);
  digitalWrite(col6,0);
  digitalWrite(col7,0);
  digitalWrite(col8,0);


  digitalWrite(col1,1);
  digitalWrite(col2,1);
  digitalWrite(col3,1);
  digitalWrite(col5,1);
  digitalWrite(col6,1);
  digitalWrite(col7,1);
  digitalWrite(col8,1);
  digitalWrite(row7,1);
  digitalWrite(row7,0);
  digitalWrite(col1,0);
  digitalWrite(col2,0);
  digitalWrite(col3,0);
  digitalWrite(col5,0);
  digitalWrite(col6,0);
  digitalWrite(col7,0);
  digitalWrite(col8,0);

  
  }
void clear(){
  }