#include <Wire.h>
#include <RTClib.h>
// #include <LiquidCrystal_I2C.h>

#define ledPin 11
#define potPin A0

// LiquidCrystal_I2C lcd(0x27, 20, 4);
RTC_DS1307 RTC;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(ledPin, OUTPUT);
  Wire.begin();
  RTC.begin();

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

void readRTC(){
  DateTime now = RTC.now();

  Serial.print(now.year());
  Serial.print("/");
  Serial.print(now.month());
  Serial.print("/");
  Serial.print(now.day());
  Serial.print(",");
  Serial.print(now.hour());
  Serial.print(":");
  Serial.print(now.minute());
  Serial.print(":");
  Serial.println(now.second());
}

void loop() {
  // put your main code here, to run repeatedly:
  int potData = analogRead(potPin);
  int percent = map(potData, 0, 1023, 0, 255);

  analogWrite(ledPin, percent);

  // lcd.setCursor(0,0);
  // lcd.print("Analog : ");

  // lcd.setCursor(8,0);
  // lcd.print(potData);

}