// LCD1602 and Pi Pico!
#define RED 2
#define YELLOW 5
#define GREEN 9

#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

void setup() {
  //lcd.begin(16, 2);
  //lcd.print("Hello World!");

  //lcd.setCursor(2, 1);
  //lcd.print("> Pi Pico <");
  pinMode(RED, OUTPUT);
  pinMode(YELLOW, OUTPUT);
  pinMode(GREEN, OUTPUT);
}
static void red(){
    lcd.begin(32, 4);
    lcd.print("Ampel is RED");
    lcd.setCursor(2, 1);
    lcd.print("> STOP <");
}
static void yellow_red(){
    lcd.begin(32, 4);
    lcd.print("Ampel is YELLOW!");
    lcd.setCursor(2, 1);
    lcd.print("> WARNING < ");
}
static void green(){
    lcd.begin(32, 4);
    lcd.print("Ampel is GREEN!");
    lcd.setCursor(2, 1);
    lcd.print("> DRIVE <");
}
void loop() {
  delay(1); // Adding a delay() here speeds up the simulation
  green();
  digitalWrite(GREEN, HIGH);
  delay(10000);
  
  digitalWrite(GREEN, LOW);
  yellow_red();
  digitalWrite(YELLOW, HIGH);
  delay(3000);
  
  digitalWrite(YELLOW, LOW);
  red();
  digitalWrite(RED, HIGH);
  delay(6000);

  digitalWrite(YELLOW, HIGH);
  yellow_red();
  delay(3000);
  digitalWrite(YELLOW, LOW);
  digitalWrite(RED, LOW);
  
}