/* Stepper Motor Control - one revolution This program drives a unipolar or bipolar stepper motor. The motor is attached to digital pins 8 - 11 of the Arduino. The motor should revolve one revolution in one direction, then one revolution in the other direction. Created 11 Mar. 2007 Modified 30 Nov. 2009 by Tom Igoe */ #include const int stepsPerRevolution = 200; // change this to fit the number of steps per revolution // for your motor // initialize the stepper library on pins 3 through 0, ATtiny44: Stepper myStepper(stepsPerRevolution, 3, 2, 1, 0); void setup() { // set the speed at 60 rpm: myStepper.setSpeed(60); // initialize the serial port: // Serial.begin(9600); } void loop() { // step one revolution in one direction: //Serial.println("clockwise"); myStepper.step(stepsPerRevolution); delay(500); // step one revolution in the other direction: // Serial.println("counterclockwise"); myStepper.step(-stepsPerRevolution); delay(500); }