#include <LiquidCrystal.h>

// Define pins for right traffic light
const int greenRight = 2;
const int yellowRight = 3;
const int redRight = 4;

// Define pins for left traffic light
const int greenLeft = 5;
const int yellowLeft = 6;
const int redLeft = 7;

// Initialize the LCD library with the numbers of the interface pins
LiquidCrystal lcd(8, 9, 10, 11, 12, 13);

void setup() {
  // Initialize right traffic light pins
    pinMode(greenRight, OUTPUT);
      pinMode(yellowRight, OUTPUT);
        pinMode(redRight, OUTPUT);
          
            // Initialize left traffic light pins
              pinMode(greenLeft, OUTPUT);
                pinMode(yellowLeft, OUTPUT);
                  pinMode(redLeft, OUTPUT);
                    
                      // Initialize the LCD
                        lcd.begin(16, 2); 
                          lcd.print("Traffic Lights");
                          }

                          void loop() {
                            // Turn on green light on right, red on left
                              digitalWrite(greenRight, HIGH);
                                digitalWrite(yellowRight, LOW);
                                  digitalWrite(redRight, LOW);
                                    
                                      digitalWrite(greenLeft, LOW);
                                        digitalWrite(yellowLeft, LOW);
                                          digitalWrite(redLeft, HIGH);
                                            
                                              lcd.setCursor(0, 1);
                                                lcd.print("R: Green  L: Red   ");
                                                  
                                                    delay(5000); // Wait for 5 seconds
                                                      
                                                        // Turn on yellow light on right, yellow on left
                                                          digitalWrite(greenRight, LOW);
                                                            digitalWrite(yellowRight, HIGH);
                                                              digitalWrite(redRight, LOW);
                                                                
                                                                  digitalWrite(greenLeft, LOW);
                                                                    digitalWrite(yellowLeft, HIGH);
                                                                      digitalWrite(redLeft, LOW);
                                                                        
                                                                          lcd.setCursor(0, 1);
                                                                            lcd.print("R: Yellow L:Yellow");
                                                                              
                                                                                delay(2000); // Wait for 2 seconds
                                                                                  
                                                                                    // Turn on red light on right, green on left
                                                                                      digitalWrite(greenRight, LOW);
                                                                                        digitalWrite(yellowRight, LOW);
                                                                                          digitalWrite(redRight, HIGH);
                                                                                            
                                                                                              digitalWrite(greenLeft, HIGH);
                                                                                                digitalWrite(yellowLeft, LOW);
                                                                                                  digitalWrite(redLeft, LOW);
                                                                                                    
                                                                                                      lcd.setCursor(0, 1);
                                                                                                        lcd.print("R: Red    L: Green ");
                                                                                                          
                                                                                                            delay(5000); // Wait for 5 seconds
                                                                                                              
                                                                                                                // Turn on yellow light on right, yellow on left
                                                                                                                  digitalWrite(greenRight, LOW);
                                                                                                                    digitalWrite(yellowRight, HIGH);
                                                                                                                      digitalWrite(redRight, LOW);
                                                                                                                        
                                                                                                                          digitalWrite(greenLeft, LOW);
                                                                                                                            digitalWrite(yellowLeft, HIGH);
                                                                                                                              digitalWrite(redLeft, LOW);
                                                                                                                                
                                                                                                                                  lcd.setCursor(0, 1);
                                                                                                                                    lcd.print("R: Yellow L:Yellow");
                                                                                                                                      
                                                                                                                                        delay(2000); // Wait for 2 seconds
                                                                                                                                        }