#include <Servo.h>
#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"

#define TFT_DC 9
#define TFT_CS 10
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
Servo myservo;  // create servo object to control a servo

int potpin = A0;  // analog pin used to connect the potentiometer
int val;    // variable to read the value from the analog pin

void setup() {
  tft.begin();
 
  
  // Initialize servo
  myservo.attach(7);  // attaches the servo on pin 7 to the servo object
}

void loop() {
  val = analogRead(potpin);            // reads the value of the potentiometer (value between 0 and 1023)
  val = map(val, 0, 1023, 0, 180);     // scale it to use it with the servo (value between 0 and 180)
  myservo.write(val);                  // sets the servo position according to the scaled value
  
  // Clear previous servo angle text
  tft.fillRect(20, 50, 200, 20, ILI9341_BLACK); 
  
  // Display current servo angle
  tft.setCursor(20, 50);
  tft.setTextColor(ILI9341_YELLOW);
  tft.setTextSize(2);
  tft.print("Servo Angle: ");
  tft.print(val);
  
  delay(15);                           // waits for the servo to get there
}