Hardware & Devices

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#include <Servo.h>

Servo myServo;
int servoPin = 2;
uint16_t i = 0;

void setup() {
  // put your setup code here, to run once:
 myServo.attach(servoPin);
 pinMode(LED_BUILTIN, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  HERE:
  i = 0;
   for(i = 1; i <= 180; i++)
   {
    myServo.write(i);
    delay(15);
  }
 for(i = 180; i >= 1; i--)
  {
    myServo.write(i);
     delay(15);
  }
goto HERE;
}