one Tesla custom interruptor code for arduino

int outPin = 8;                 // digital pin 8
int analogPin = 3;
int raw;
int duty;
void setup()
{
  pinMode(outPin, OUTPUT);      // sets the digital pin as output
}

void loop()
{
  raw = analogRead (analogPin);
  if (raw > 1 and raw < 50) {
  duty = raw/3;
  digitalWrite(outPin, HIGH);   // sets the pin on
  delayMicroseconds(duty);
  digitalWrite(outPin, LOW);    // sets the pin off
  delayMicroseconds(0);
  }
}