from machine import Pin, I2C
import utime

# Define I2C pins
i2c = I2C(0, scl=Pin(9), sda=Pin(8), freq=400000)

# PCF8574 I2C address
PCF8574_ADDR = 0x27

# LCD commands
LCD_CLEAR = 0x01
LCD_RETURN_HOME = 0x02
LCD_ENTRY_MODE_SET = 0x04
LCD_DISPLAY_CONTROL = 0x08
LCD_FUNCTION_SET = 0x20
LCD_SET_DDRAM_ADDR = 0x80

# LCD flags
LCD_DISPLAY_ON = 0x04




void setup() {
  // put your setup code here, to run once:
  Serial1.begin(115200);
  Serial1.println("Hello, Raspberry Pi Pico!");

  // Init
  lcd.init();
  lcd.backlight();

  // Print something
  lcd.setCursor(3, 0);
  lcd.print("Hello, world!");
  lcd.setCursor(2, 1);
  lcd.print("Wokwi Online IoT");
  lcd.setCursor(5, 2);
  lcd.print("Simulator");
  lcd.setCursor(7, 3);
  lcd.print("Enjoy!");

  Serial1.println("Hello, Raspberry Pi Pico!");


}

void loop() {
  // put your main code here, to run repeatedly:
  delay(1); // this speeds up the simulation
}