//LEO PEBRIANSYAH

#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
const uint8_t I2C_ADDRESS =0x27;
const uint8_t LCD_CHAR= 16;
const uint8_t LCD_LINE = 2;
char *TITLE_ANGLE1 ="Angle: ";

LiquidCrystal_I2C lcd(I2C_ADDRESS, LCD_CHAR, LCD_LINE);

#include <Servo.h>


Servo myservo1;  
int pot1pin = A0; 
unsigned int servo1Pin=9;
unsigned int servo1AngleMin=0;
unsigned int servo1AngleMax=180;
unsigned int servo1Val=0;
unsigned int angle1=0;


void setup()
{
  Serial.begin(9600);
  Serial.println("Servo with Potentiometer");
  Serial.println("LEO PEB16");
  myservo1.attach(servo1Pin);    
  
  lcd.init();  
  lcd.backlight();
  lcd.print("alat ukur servo");
  lcd.setCursor(0,1);
  lcd.print("sudut: "); 
  delay(2000); 
}

void loop()
{
 servo1Val = analogRead(pot1pin);           
 sendServo(servo1Val);
delay(20);
 
}
void sendServo(int value)
{
  
  unsigned int newAngle1;
  newAngle1 = map(value, 0, 1023, servo1AngleMin, servo1AngleMax); 
  if(angle1 !=newAngle1)
  {
  myservo1.write(newAngle1);  
  lcdDisplay(newAngle1);
  angle1 =newAngle1;
  delay(100);  
  }
  
}
 
void lcdDisplay(int angle)
{
   clearCharacters();
      Serial.print("SUDUT ");
      Serial.println(angle);  
   lcd.setCursor((unsigned)strlen(TITLE_ANGLE1), 1);
   lcd.print(angle);
   lcd.print((char)223);
} 
void clearCharacters()
{
    for (int i=(unsigned)strlen(TITLE_ANGLE1)-1; i<=LCD_CHAR-1; i++)
    {
    lcd.setCursor (i,1); 
    lcd.write(254);
    } 
}