#include <LiquidCrystal_I2C.h>

float input() {
  while (Serial.available()==0);
  {
    return Serial.parseFloat();
  }
}

#define I2C_ADDR    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2

const int Pinpwm = 10;

long puissance;
LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

void setup() {
  // put your setup code here, to run once:
  pinMode(Pinpwm, OUTPUT);
  lcd.init();
  lcd.backlight();

  // Print something
  lcd.setCursor(0, 0);
  lcd.print("Hello, world!");
  lcd.setCursor(0, 1);
  lcd.print("Wokwi Online IoT");
  delay(1000);
  lcd.clear();
}

void loop() {
  // put your main code here, to run repeatedly:
  //affichage de la valeur du potentiomètre et du pwm équivalent
  lcd.setCursor(0, 0);
  lcd.print("Pot =");
  lcd.print(analogRead(A0));
  lcd.print("    ");
  puissance = analogRead(A0)*256/1024;
  lcd.setCursor(0, 1);
  lcd.print("PWM =");
  lcd.print(puissance);
  lcd.print("       ");
  //ecriture sortie PWM
  analogWrite(Pinpwm, puissance);
}