#include <Servo.h>

Servo m1;
int servoPin = 9;

void setup() {
  // put your setup code here, to run once:
  m1.attach(servoPin);

}

void loop() {
  // put your main code here, to run repeatedly:
  int theta1 = 10;
  for (int i = theta1; i<theta1+80; i++){
    m1.write(i);
    delay(40);
  }
}