int prev[50] = {0};
float potHalf = 511.5;
String device[50];

void setup() {
  
  device[A0] = "Wheel: ";
  device[A1] = "Accelerator: ";
  device[A2] = "Brake: ";
  device[A3] = "Clutch: ";
  device[A4] = "Handbrake: ";


  for (int i = 0; i < 7; i++)
  {
    pinMode(i, OUTPUT);
    digitalWrite(i, HIGH);
  }

  Serial.begin(250000);
}

float wheelMath(int x)
{
  float num;

  if (x > 512) num = ((x - potHalf) / potHalf) * 100;
  else num = ((potHalf - x) / potHalf) * -100;

  return num;
}

void loop() {

  for (int i = A0; i < A5; i++)
  {
    int potvalue = analogRead(i);

    while (prev[i] != potvalue)
    {
      prev[i] = potvalue;

      Serial.print(device[i]);

      if (i == A0) Serial.println(wheelMath(potvalue), 1);
      else Serial.println((potvalue / 1024.0) * 100, 1);
    }
  }

  delay(100);

}