OpTurntable

const int transistorPin = 9;
int redSwitch = 3;
int switchValue = 0;
int poten = A0;

void setup() {
  Serial.begin(9600);
  pinMode(transistorPin, OUTPUT);
  pinMode(redSwitch, INPUT);
  pinMode(poten, INPUT);
}

void loop() {
  switchValue = digitalRead(redSwitch);

  if (switchValue == 1) {
    int sensorValue = analogRead(A0);
    // map the sensor value to a range from 0 - 255:
    int outputValue = map(sensorValue, 0, 1023, 0, 255);
    analogWrite(transistorPin, outputValue);
  } else {
    analogWrite(transistorPin, 0);
  }

}