#include<ESP32Servo.h>
Servo motor;
int pos=0;
void setup() {
  pinMode(15, OUTPUT);
  pinMode(12, INPUT_PULLUP);
  motor.attach(18);
}

void loop() {
 if (digitalRead(12)==0)
 {
  digitalWrite(15, HIGH);
 for (pos=0;pos<=180;pos+=1){
  motor.write(pos);
  delay(10);
 }
 }
else {
  digitalWrite(15,LOW);
  delay(500);
}
}