/*
  Controls SG90 servo position from 0-180 degrees and back
  Datasheet: http://www.ee.ic.ac.uk/pcheung/teaching/DE1_EE/stores/sg90_datasheet.pdf
*/

#include <pwmWrite.h>

Pwm pwm = Pwm();

const int servoPin = 5;

void setup() {
  pwm.attach(servoPin, 0, 1000, 2000); // channel, min µs, max µs
}

void loop() {
  for (int pos = 0; pos <= 180; pos++) {  // go from 0-180 degrees
    pwm.writeServo(servoPin, pos);        // set the servo position (degrees)
    delay(15);
  }
  for (int pos = 180; pos >= 0; pos--) {  // go from 180-0 degrees
    pwm.writeServo(servoPin, pos);        // set the servo position (degrees)
    delay(15);
  }
}