#define red_pin_L 27      //定義左邊紅燈腳位為27
#define yellow_pin_L 26   //定義左邊黃燈腳位為26
#define green_pin_L 25    //定義左邊綠燈腳位為25 
#define red_pin_R 18      //定義左邊紅燈腳位為18
#define yellow_pin_R 17   //定義左邊黃燈腳位為17
#define green_pin_R 16    //定義左邊綠燈腳位為16
//定義讀取次數
int red_L;
int red_R;

void setup() {
  // put your setup code here, to run once:
Serial.begin(115200);
Serial.println("Hello, ESP32!");

pinMode(red_pin_L, OUTPUT);
pinMode(yellow_pin_L, OUTPUT);
pinMode(green_pin_L, OUTPUT);
pinMode(red_pin_R, OUTPUT);
pinMode(yellow_pin_R, OUTPUT);
pinMode(green_pin_R, OUTPUT);
}

void loop() {
red_L=5;
red_R=5;

digitalWrite(red_pin_L, HIGH);
digitalWrite(green_pin_R, HIGH);
  while (red_L--)
  {
    if (red_L>1){
      delay(1000);
    }else{
      digitalWrite(green_pin_R, LOW);
      digitalWrite(yellow_pin_R, HIGH);
      delay(1000);
    }
  }
digitalWrite(red_pin_L, LOW);
digitalWrite(yellow_pin_R, LOW);
digitalWrite(red_pin_R, HIGH);
digitalWrite(green_pin_L, HIGH);
  while (red_R--)
  {
    if (red_R>1)
    {
    delay(1000);
    }else{
    digitalWrite(green_pin_L, LOW);
    digitalWrite(yellow_pin_L, HIGH);
    delay(1000);
    }
  }
digitalWrite(yellow_pin_L, LOW);
digitalWrite(red_pin_R, LOW);
}