#include<ESP32Servo.h>
Servo motor;
 int pos = 0;
void setup() {
  motor.attach(19);
  pinMode(4, OUTPUT);
  pinMode(14, INPUT_PULLUP);
motor.attach(19);
}

void loop() {
if (digitalRead(14)== 0) {
  digitalWrite(4, HIGH);
 for(pos = 0;pos <= 180;pos += 1){
 motor.write(pos);
 delay(10);
 }
}
else {
  digitalWrite(4,LOW);
  delay(500);
}
}