개발새발 IT

int ledPins[] = {4,5,6,7};
long ran;
int state;
int time = 2000;

void setup()
{
  for(int i=0; i<5; i++)
  {
    pinMode(ledPins[i],OUTPUT);
  }
  randomSeed(analogRead(0));
  ran = random(1,7);
  if(ran==1)
  {
    digitalWrite(ledPins[0], HIGH);
  }
  if(ran==2)
  {
    digitalWrite(ledPins[0], HIGH);
    digitalWrite(ledPins[1], HIGH);
  }
  if(ran==3)
  {
    digitalWrite(ledPins[1], HIGH);
    digitalWrite(ledPins[2], HIGH);
  }
  if(ran==4)
  {
    digitalWrite(ledPins[2], HIGH);
    digitalWrite(ledPins[3], HIGH);
  }
  if(ran==5)
  {
    digitalWrite(ledPins[1], HIGH);
    digitalWrite(ledPins[2], HIGH);
    digitalWrite(ledPins[3], HIGH);
  }
  if(ran==6)
  {
    digitalWrite(ledPins[0], HIGH);
    digitalWrite(ledPins[1], HIGH);
    digitalWrite(ledPins[2], HIGH);
    digitalWrite(ledPins[3], HIGH);
  }

}

void loop()
{
} 

int led[] = {2,3,4}; //LED와 연결된 보드 핀 번호

void setup()
{
for(int i = 0; i <= 2; i++)
{
pinMode(led[i],OUTPUT); // 8개의 LED를 출력으로 설정.
}
}
void loop()
{
for(int i = 0; i <=2; i++)
{
  digitalWrite(led[i], HIGH); // D2부터 D9에 연결된 LED를 순차적으로 켬
  delay(200); // 200ms(0.2초)동안 기다림.
}

for(int i = 2; i >=0; i--)
{
  digitalWrite(led[i], LOW); // D2부터 D9에 연결된 LED를 순차적으로 끔
  delay(200); // 200ms(0.2초)동안 기다림.
}
} 

// include the library code:
#include <LiquidCrystal.h>
// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

byte newChar[8] = { B00000, B11111, B00001, B11111, B00001, B00001, B00001, B00000 };
int h=0,m=0,s=0;

void setup() {
// set up the LCD's number of columns and rows:
lcd.createChar(0, newChar);
lcd.begin(16, 2);

lcd.print("PC Using Time ");
lcd.write(*newChar);
lcd.write(*newChar);
}
void loop() {
lcd.setCursor(0, 1);
if(s!=0&&(s%60)==0)
{
  s=0;
  m++;
}

if(m!=0&&(m%60)==0)
{
  m=0;
  h++;
}

lcd.print(h);
lcd.print("h  ");
lcd.print(" ");
lcd.print(m);
lcd.print("m  ");
lcd.print(" ");
lcd.print(s);
lcd.print("s");
lcd.print(" ");
lcd.print(" ");
lcd.print(" ");
lcd.print(" ");
s++;
delay(1000);
} 

// include the library code:
#include <LiquidCrystal.h>
// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

byte newChar[8] = { B00000, B11111, B00001, B11111, B00001, B00001, B00001, B00000 };
int d=360;

void setup() {
// set up the LCD's number of columns and rows:
lcd.createChar(0, newChar);
lcd.begin(16, 2);

lcd.print("LOL Dragon Timer ");
}
void loop() {
// set the cursor to column 0, line 1
// (note: line 1 is the second row, since counting begins with 0):
lcd.setCursor(0, 1);
if(d==-1)
{
  d=360;
}
lcd.print(d);
lcd.print("s");
lcd.print(" ");
lcd.print(" ");
d--;

delay(1000);

}