Светофарче

int red = 7;
 int yellow = 4;
 int green = 8;
void setup() {
  // put your setup code here, to run once:
 pinMode(red, OUTPUT);
 pinMode(yellow, OUTPUT);
 pinMode(green, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:

digitalWrite(red, HIGH);
delay(2000);
digitalWrite(red, LOW);
delay(2000);
digitalWrite(yellow, HIGH);
delay(1000);
digitalWrite(yellow, LOW);
delay(1000);
digitalWrite(green, HIGH);
delay(2000);
digitalWrite(green, LOW);
delay(2000);
digitalWrite(yellow, HIGH);
delay(1000);
digitalWrite(yellow, LOW);
delay(1000);
}




////// С БУТОНЧЕ ////////
int red = 7;
 int yellow = 4;
 int green = 8;
 int button = 12;
void setup() {

 pinMode(red, OUTPUT);
 pinMode(yellow, OUTPUT);
 pinMode(green, OUTPUT);
 pinMode(button, INPUT_PULLUP);
}
  void light(int colour) {
    if (!digitalRead(button)){
      digitalWrite(red, HIGH);
    }else{
    switch (colour){
      case 1:digitalWrite(green, HIGH); delay(1000); digitalWrite(green, LOW);break;
      case 2: digitalWrite(yellow, HIGH); delay(1000); digitalWrite(yellow, LOW);break;
      case 3: digitalWrite(red, HIGH); delay(1000); digitalWrite(red, LOW);break;
    }
    }
  }

void loop() {

    light(1);
  delay(1000);
  light(2);
  delay(1000);
  light(3);
  delay(1000);

}