/** Includes *****************************/
#include <Servo.h>

/** Definitions **************************/
double i, varNum;
// Create an instance for servo motor
Servo servo_2;

/** Setup function ***********************/
void setup() {
// Attach the pin selected from blockly
servo_2.attach(2);
}

/** Loop function ************************/
void loop() {
  for (i = 0; i <= 180; i=i+90) {
    // Servomotor write angle and delay code
    servo_2.write(i);
    delay(1000);
  }
}