#include <Adafruit_GFX.h>       
#include <Adafruit_ILI9341.h>
#define TFT_CS    8      
#define TFT_RST   9      
#define TFT_DC    10
int a,b,c;
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
void setup() 
{
  tft.begin();
  tft.setRotation(1);
  tft.fillScreen(ILI9341_BLACK);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(3);
  pinMode(A0, INPUT);
  pinMode(A1, INPUT);
  pinMode(A2, INPUT);
}

void loop() 
{
  int pot1Value = analogRead(A0);
  int pot2Value = analogRead(A1);
  int pot3Value = analogRead(A2);
  if(a!=pot1Value)
  {
     tft.fillRect(0, 10, tft.width(), 22, ILI9341_BLACK);
  }
  if(b!=pot2Value)
  {
     tft.fillRect(0, 100, tft.width(), 22, ILI9341_BLACK);
  }
  if(c!=pot3Value)
  {
     tft.fillRect(0, 190, tft.width(), 22, ILI9341_BLACK);
  }
  a=pot1Value;
  b=pot2Value;
  c=pot3Value;
  tft.setCursor(0, 10);
  tft.setTextColor(ILI9341_WHITE);
  tft.print("Speed:");
  if((map(pot1Value, 0, 1023, 0, 200))<80)
  {
    tft.setTextColor(ILI9341_GREEN);
  }
  else if((map(pot1Value, 0, 1023, 0, 200))>=80 && (map(pot1Value, 0, 1023, 0, 200))<150)
  {
    tft.setTextColor(ILI9341_YELLOW);
  }
  else
  {
    tft.setTextColor(ILI9341_RED);
  }
  tft.print(map(pot1Value, 0, 1023, 0, 200)); 
  tft.print(" km/h");
  tft.setCursor(0, 100);
  tft.setTextColor(ILI9341_WHITE);
  tft.print("Temperature:");
  if((map(pot2Value, 0, 1023, 0, 100))<30)
  {
    tft.setTextColor(ILI9341_GREEN);
  }
  else if((map(pot2Value, 0, 1023, 0, 100))>=30 && (map(pot2Value, 0, 1023, 0, 100))<70)
  {
    tft.setTextColor(ILI9341_YELLOW);
  }
  else
  {
    tft.setTextColor(ILI9341_RED);
  }
  tft.print(map(pot2Value, 0, 1023, 0, 100)); 
  tft.print(" C");
  tft.setCursor(0, 190);
  tft.setTextColor(ILI9341_WHITE);
  tft.print("Battery:");
  if((map(pot3Value, 0, 1023, 0, 100))<20)
  {
    tft.setTextColor(ILI9341_RED);
  }
  else if((map(pot3Value, 0, 1023, 0, 100))>=20 && ((map(pot3Value, 0, 1023, 0, 100)))<50)
  {
    tft.setTextColor(ILI9341_YELLOW);
  }
  else
  {
    tft.setTextColor(ILI9341_GREEN);
  }
  tft.print(map(pot3Value, 0, 1023, 0, 100)); 
  tft.print("%");
}