#include <ESP32Servo.h>
#include <Wire.h>
#define trig 16
#define echo 4
long tempo;
const int ServoPin =27;
Servo ServoMotor;
int posGraus = 0;


void setup() 
{ 
  Serial.begin(115200);
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  ServoMotor.attach (ServoPin);
}

void loop() 
{
  digitalWrite(trig , HIGH);
  delayMicroseconds(10);
  digitalWrite(trig , LOW);
  tempo = pulseIn(echo,HIGH);  
  float x=map(tempo,0,23525,0,180); 
  
  delay(5);
  
  ServoMotor.write(x);
  delay (20);
}