Indexing Turntable Controller

// Stepper turntable - basic positioning
#include <AccelStepper.h>

AccelStepper stepper(1, 3, 2); // STEP, DIR pins
const int TRACKS = 12;
const int STEPS_PER_REV = 3200;
const int STEPS_PER_TRACK = STEPS_PER_REV / TRACKS;

void setup() {
  stepper.setMaxSpeed(1000);
  stepper.setAcceleration(500);
}

void goToTrack(int track) {
  long targetPos = track * STEPS_PER_TRACK;
  stepper.moveTo(targetPos);
}

void loop() {
  stepper.run();
}