Rotary MEW

Rotary_mew.ino

#define X_STEP_PIN 54
#define X_ENABLE_PIN 38
#define ANALOG_PIN 4

void setup(){
  pinMode(X_STEP_PIN, OUTPUT);
  pinMode(X_ENABLE_PIN, OUTPUT);
  
  TCCR0A = _BV(COM2A1) | _BV(COM2B1) | _BV(WGM21) | _BV(WGM20); // non-Inverting PWM,
    OCR0A = 255;
    TCCR0B = _BV(WGM22) | _BV(CS21) | _BV(CS20); // Fast PWM and NO prescaling 16M/1024
    OCR0B = 255;
  
  digitalWrite(X_ENABLE_PIN, HIGH); // If motor does not work change this to LOW first.
}
bool state = false;
void loop(){
  digitalWrite(X_STEP_PIN, state);
  delayMicroseconds(map(analogRead(ANALOG_PIN), 0, 1023, 0, 255));
  state = !state;
}